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authorMarcelo Lira <setanta@gmail.com>2025-04-09 22:30:39 -0300
committerMarcelo Lira <setanta@gmail.com>2025-04-09 22:30:39 -0300
commit24ca2281c7ff11ff9b0aa55d2f58452eb9faa825 (patch)
tree75f4f18903fa7454a5153ead3ae1143313200b5a
parent08f661a0d2acf094111da8137b3aaa107ece76a6 (diff)
[refactor] Better formatting and total patch incompatibility.HEADmaster
Diffstat
-rw-r--r--arg.h72
-rw-r--r--config.def.h558
-rw-r--r--st.c5481
-rw-r--r--st.h104
-rw-r--r--win.h39
-rw-r--r--x.c5023
6 files changed, 5403 insertions, 5874 deletions
diff --git a/arg.h b/arg.h
index a22e019..2f8bd07 100644
--- a/arg.h
+++ b/arg.h
@@ -9,42 +9,40 @@
extern char *argv0;
/* use main(int argc, char *argv[]) */
-#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\
- argv[0] && argv[0][0] == '-'\
- && argv[0][1];\
- argc--, argv++) {\
- char argc_;\
- char **argv_;\
- int brk_;\
- if (argv[0][1] == '-' && argv[0][2] == '\0') {\
- argv++;\
- argc--;\
- break;\
- }\
- int i_;\
- for (i_ = 1, brk_ = 0, argv_ = argv;\
- argv[0][i_] && !brk_;\
- i_++) {\
- if (argv_ != argv)\
- break;\
- argc_ = argv[0][i_];\
- switch (argc_)
-
-#define ARGEND }\
- }
-
-#define ARGC() argc_
-
-#define EARGF(x) ((argv[0][i_+1] == '\0' && argv[1] == NULL)?\
- ((x), abort(), (char *)0) :\
- (brk_ = 1, (argv[0][i_+1] != '\0')?\
- (&argv[0][i_+1]) :\
- (argc--, argv++, argv[0])))
-
-#define ARGF() ((argv[0][i_+1] == '\0' && argv[1] == NULL)?\
- (char *)0 :\
- (brk_ = 1, (argv[0][i_+1] != '\0')?\
- (&argv[0][i_+1]) :\
- (argc--, argv++, argv[0])))
+#define ARGBEGIN \
+ for (argv0 = *argv, argv++, argc--; \
+ argv[0] && argv[0][0] == '-' && argv[0][1]; argc--, argv++) { \
+ char argc_; \
+ char **argv_; \
+ int brk_; \
+ if (argv[0][1] == '-' && argv[0][2] == '\0') { \
+ argv++; \
+ argc--; \
+ break; \
+ } \
+ int i_; \
+ for (i_ = 1, brk_ = 0, argv_ = argv; argv[0][i_] && !brk_; i_++) { \
+ if (argv_ != argv) \
+ break; \
+ argc_ = argv[0][i_]; \
+ switch (argc_)
+
+#define ARGEND \
+ } \
+ }
+
+#define ARGC() argc_
+
+#define EARGF(x) \
+ ((argv[0][i_ + 1] == '\0' && argv[1] == NULL) \
+ ? ((x), abort(), (char *)0) \
+ : (brk_ = 1, (argv[0][i_ + 1] != '\0') ? (&argv[0][i_ + 1]) \
+ : (argc--, argv++, argv[0])))
+
+#define ARGF() \
+ ((argv[0][i_ + 1] == '\0' && argv[1] == NULL) \
+ ? (char *)0 \
+ : (brk_ = 1, (argv[0][i_ + 1] != '\0') ? (&argv[0][i_ + 1]) \
+ : (argc--, argv++, argv[0])))
#endif
diff --git a/config.def.h b/config.def.h
index 9be3b86..5bf9db4 100644
--- a/config.def.h
+++ b/config.def.h
@@ -5,12 +5,14 @@
*
* font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
*/
-static char *font = "VictorMono Nerd Font Mono:pixelsize=14:antialias=true:autohint=true";
+static char *font =
+ "VictorMono Nerd Font Mono:pixelsize=14:antialias=true:autohint=true";
/* Spare fonts */
static char *font2[] = {
- "VictorMono Nerd Font Mono:pixelsize=14:antialias=true:autohint=true"
-/* "Inconsolata for Powerline:pixelsize=12:antialias=true:autohint=true", */
-/* "Hack Nerd Font Mono:pixelsize=11:antialias=true:autohint=true", */
+ "VictorMono Nerd Font Mono:pixelsize=14:antialias=true:autohint=true"
+ /* "Inconsolata for Powerline:pixelsize=12:antialias=true:autohint=true",
+ */
+ /* "Hack Nerd Font Mono:pixelsize=11:antialias=true:autohint=true", */
};
static int borderpx = 2;
@@ -93,13 +95,13 @@ char *termname = "st-256color";
* the st.info and appropriately install the st.info in the environment where
* you use this st version.
*
- * it#$tabspaces,
+ * it#$tabspaces,
*
* Secondly make sure your kernel is not expanding tabs. When running `stty
* -a` »tab0« should appear. You can tell the terminal to not expand tabs by
* running following command:
*
- * stty tabs
+ * stty tabs
*/
unsigned int tabspaces = 8;
@@ -108,34 +110,33 @@ float alpha = 0.9;
/* Terminal colors (16 first used in escape sequence) */
static const char *colorname[] = {
- /* 8 normal colors */
- [0] = "#00010d", /* black */
- [1] = "#a63c45", /* red */
- [2] = "#618c64", /* green */
- [3] = "#e9c651", /* yellow */
- [4] = "#32598c", /* blue */
- [5] = "#f88c15", /* magenta */
- [6] = "#0bc2c2", /* cyan */
- [7] = "#d9d9d9", /* white */
-
- /* 8 bright colors */
- [8] = "#585858", /* black */
- [9] = "#f25252", /* red */
- [10] = "#5ce497", /* green */
- [11] = "#f9e8a3", /* yellow */
- [12] = "#84b1d9", /* blue */
- [13] = "#ffb86a", /* magenta */
- [14] = "#01ffff", /* cyan */
- [15] = "#fbfbfb", /* white */
-
- [255] = 0,
-
- /* more colors can be added after 255 to use with DefaultXX */
- [256] = "#d9d9d9", /* default foreground colour */
- [257] = "#1c1c1c", /* default background colour */
+ /* 8 normal colors */
+ [0] = "#00010d", /* black */
+ [1] = "#a63c45", /* red */
+ [2] = "#618c64", /* green */
+ [3] = "#e9c651", /* yellow */
+ [4] = "#32598c", /* blue */
+ [5] = "#f88c15", /* magenta */
+ [6] = "#0bc2c2", /* cyan */
+ [7] = "#d9d9d9", /* white */
+
+ /* 8 bright colors */
+ [8] = "#585858", /* black */
+ [9] = "#f25252", /* red */
+ [10] = "#5ce497", /* green */
+ [11] = "#f9e8a3", /* yellow */
+ [12] = "#84b1d9", /* blue */
+ [13] = "#ffb86a", /* magenta */
+ [14] = "#01ffff", /* cyan */
+ [15] = "#fbfbfb", /* white */
+
+ [255] = 0,
+
+ /* more colors can be added after 255 to use with DefaultXX */
+ [256] = "#d9d9d9", /* default foreground colour */
+ [257] = "#1c1c1c", /* default background colour */
};
-
/*
* Default colors (colorname index)
* foreground, background, cursor, reverse cursor
@@ -193,43 +194,43 @@ static uint forcemousemod = ShiftMask;
* Beware that overloading Button1 will disable the selection.
*/
static MouseShortcut mshortcuts[] = {
- /* mask button function argument release */
- { XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 },
- { ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} },
- { XK_ANY_MOD, Button4, ttysend, {.s = "\031"} },
- { ShiftMask, Button5, ttysend, {.s = "\033[6;2~"} },
- { XK_ANY_MOD, Button5, ttysend, {.s = "\005"} },
+ /* mask button function argument release */
+ { XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 },
+ { ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} },
+ { XK_ANY_MOD, Button4, ttysend, {.s = "\031"} },
+ { ShiftMask, Button5, ttysend, {.s = "\033[6;2~"} },
+ { XK_ANY_MOD, Button5, ttysend, {.s = "\005"} },
};
/* Internal keyboard shortcuts. */
#define MODKEY Mod1Mask
-#define TERMMOD (ControlMask|ShiftMask)
+#define TERMMOD (ControlMask | ShiftMask)
-static char *openurlcmd[] = { "/bin/sh", "-c", "urlhandler", "externalpipe", NULL };
+static char *openurlcmd[] = {"/bin/sh", "-c", "urlhandler", "externalpipe", NULL};
static Shortcut shortcuts[] = {
- /* mask keysym function argument */
- { XK_ANY_MOD, XK_Break, sendbreak, {.i = 0} },
- { ControlMask, XK_Print, toggleprinter, {.i = 0} },
- { ShiftMask, XK_Print, printscreen, {.i = 0} },
- { XK_ANY_MOD, XK_Print, printsel, {.i = 0} },
- { TERMMOD, XK_Prior, zoom, {.f = +1} },
- { ControlMask, XK_equal, zoom, {.f = +1} },
- { TERMMOD, XK_Next, zoom, {.f = -1} },
- { ControlMask, XK_minus, zoom, {.f = -1} },
- { TERMMOD, XK_Home, zoomreset, {.f = 0} },
- { ControlMask|ShiftMask,XK_plus, zoomreset, {.f = +1} },
- { TERMMOD, XK_C, clipcopy, {.i = 0} },
- { MODKEY, XK_c, clipcopy, {.i = 0} },
- { TERMMOD, XK_V, clippaste, {.i = 0} },
- { MODKEY, XK_v, clippaste, {.i = 0} },
- { TERMMOD, XK_Y, selpaste, {.i = 0} },
- { ShiftMask, XK_Insert, selpaste, {.i = 0} },
- { TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
- { MODKEY|ShiftMask, XK_L, copyurl, {.i = 0} },
- { MODKEY|ControlMask, XK_l, externalpipe, {.v = openurlcmd } },
- { MODKEY, XK_u, kscrollup, {.f = -0.1} },
- { MODKEY, XK_d, kscrolldown, {.f = -0.1} },
+ /* mask keysym function argument */
+ { XK_ANY_MOD, XK_Break, sendbreak, {.i = 0} },
+ { ControlMask, XK_Print, toggleprinter, {.i = 0} },
+ { ShiftMask, XK_Print, printscreen, {.i = 0} },
+ { XK_ANY_MOD, XK_Print, printsel, {.i = 0} },
+ { TERMMOD, XK_Prior, zoom, {.f = +1} },
+ { ControlMask, XK_equal, zoom, {.f = +1} },
+ { TERMMOD, XK_Next, zoom, {.f = -1} },
+ { ControlMask, XK_minus, zoom, {.f = -1} },
+ { TERMMOD, XK_Home, zoomreset, {.f = 0} },
+ { ControlMask|ShiftMask,XK_plus, zoomreset, {.f = +1} },
+ { TERMMOD, XK_C, clipcopy, {.i = 0} },
+ { MODKEY, XK_c, clipcopy, {.i = 0} },
+ { TERMMOD, XK_V, clippaste, {.i = 0} },
+ { MODKEY, XK_v, clippaste, {.i = 0} },
+ { TERMMOD, XK_Y, selpaste, {.i = 0} },
+ { ShiftMask, XK_Insert, selpaste, {.i = 0} },
+ { TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
+ { MODKEY|ShiftMask, XK_L, copyurl, {.i = 0} },
+ { MODKEY|ControlMask, XK_l, externalpipe, {.v = openurlcmd } },
+ { MODKEY, XK_u, kscrollup, {.f = -0.1} },
+ { MODKEY, XK_d, kscrolldown, {.f = -0.1} },
};
/*
@@ -257,229 +258,229 @@ static Shortcut shortcuts[] = {
* If you want keys other than the X11 function keys (0xFD00 - 0xFFFF)
* to be mapped below, add them to this array.
*/
-static KeySym mappedkeys[] = { -1 };
+static KeySym mappedkeys[] = {-1};
/*
* State bits to ignore when matching key or button events. By default,
* numlock (Mod2Mask) and keyboard layout (XK_SWITCH_MOD) are ignored.
*/
-static uint ignoremod = Mod2Mask|XK_SWITCH_MOD;
+static uint ignoremod = Mod2Mask | XK_SWITCH_MOD;
/*
* This is the huge key array which defines all compatibility to the Linux
* world. Please decide about changes wisely.
*/
static Key key[] = {
- /* keysym mask string appkey appcursor */
- { XK_KP_Home, ShiftMask, "\033[2J", 0, -1},
- { XK_KP_Home, ShiftMask, "\033[1;2H", 0, +1},
- { XK_KP_Home, XK_ANY_MOD, "\033[H", 0, -1},
- { XK_KP_Home, XK_ANY_MOD, "\033[1~", 0, +1},
- { XK_KP_Up, XK_ANY_MOD, "\033Ox", +1, 0},
- { XK_KP_Up, XK_ANY_MOD, "\033[A", 0, -1},
- { XK_KP_Up, XK_ANY_MOD, "\033OA", 0, +1},
- { XK_KP_Down, XK_ANY_MOD, "\033Or", +1, 0},
- { XK_KP_Down, XK_ANY_MOD, "\033[B", 0, -1},
- { XK_KP_Down, XK_ANY_MOD, "\033OB", 0, +1},
- { XK_KP_Left, XK_ANY_MOD, "\033Ot", +1, 0},
- { XK_KP_Left, XK_ANY_MOD, "\033[D", 0, -1},
- { XK_KP_Left, XK_ANY_MOD, "\033OD", 0, +1},
- { XK_KP_Right, XK_ANY_MOD, "\033Ov", +1, 0},
- { XK_KP_Right, XK_ANY_MOD, "\033[C", 0, -1},
- { XK_KP_Right, XK_ANY_MOD, "\033OC", 0, +1},
- { XK_KP_Prior, ShiftMask, "\033[5;2~", 0, 0},
- { XK_KP_Prior, XK_ANY_MOD, "\033[5~", 0, 0},
- { XK_KP_Begin, XK_ANY_MOD, "\033[E", 0, 0},
- { XK_KP_End, ControlMask, "\033[J", -1, 0},
- { XK_KP_End, ControlMask, "\033[1;5F", +1, 0},
- { XK_KP_End, ShiftMask, "\033[K", -1, 0},
- { XK_KP_End, ShiftMask, "\033[1;2F", +1, 0},
- { XK_KP_End, XK_ANY_MOD, "\033[4~", 0, 0},
- { XK_KP_Next, ShiftMask, "\033[6;2~", 0, 0},
- { XK_KP_Next, XK_ANY_MOD, "\033[6~", 0, 0},
- { XK_KP_Insert, ShiftMask, "\033[2;2~", +1, 0},
- { XK_KP_Insert, ShiftMask, "\033[4l", -1, 0},
- { XK_KP_Insert, ControlMask, "\033[L", -1, 0},
- { XK_KP_Insert, ControlMask, "\033[2;5~", +1, 0},
- { XK_KP_Insert, XK_ANY_MOD, "\033[4h", -1, 0},
- { XK_KP_Insert, XK_ANY_MOD, "\033[2~", +1, 0},
- { XK_KP_Delete, ControlMask, "\033[M", -1, 0},
- { XK_KP_Delete, ControlMask, "\033[3;5~", +1, 0},
- { XK_KP_Delete, ShiftMask, "\033[2K", -1, 0},
- { XK_KP_Delete, ShiftMask, "\033[3;2~", +1, 0},
- { XK_KP_Delete, XK_ANY_MOD, "\033[P", -1, 0},
- { XK_KP_Delete, XK_ANY_MOD, "\033[3~", +1, 0},
- { XK_KP_Multiply, XK_ANY_MOD, "\033Oj", +2, 0},
- { XK_KP_Add, XK_ANY_MOD, "\033Ok", +2, 0},
- { XK_KP_Enter, XK_ANY_MOD, "\033OM", +2, 0},
- { XK_KP_Enter, XK_ANY_MOD, "\r", -1, 0},
- { XK_KP_Subtract, XK_ANY_MOD, "\033Om", +2, 0},
- { XK_KP_Decimal, XK_ANY_MOD, "\033On", +2, 0},
- { XK_KP_Divide, XK_ANY_MOD, "\033Oo", +2, 0},
- { XK_KP_0, XK_ANY_MOD, "\033Op", +2, 0},
- { XK_KP_1, XK_ANY_MOD, "\033Oq", +2, 0},
- { XK_KP_2, XK_ANY_MOD, "\033Or", +2, 0},
- { XK_KP_3, XK_ANY_MOD, "\033Os", +2, 0},
- { XK_KP_4, XK_ANY_MOD, "\033Ot", +2, 0},
- { XK_KP_5, XK_ANY_MOD, "\033Ou", +2, 0},
- { XK_KP_6, XK_ANY_MOD, "\033Ov", +2, 0},
- { XK_KP_7, XK_ANY_MOD, "\033Ow", +2, 0},
- { XK_KP_8, XK_ANY_MOD, "\033Ox", +2, 0},
- { XK_KP_9, XK_ANY_MOD, "\033Oy", +2, 0},
- { XK_Up, ShiftMask, "\033[1;2A", 0, 0},
- { XK_Up, Mod1Mask, "\033[1;3A", 0, 0},
- { XK_Up, ShiftMask|Mod1Mask,"\033[1;4A", 0, 0},
- { XK_Up, ControlMask, "\033[1;5A", 0, 0},
- { XK_Up, ShiftMask|ControlMask,"\033[1;6A", 0, 0},
- { XK_Up, ControlMask|Mod1Mask,"\033[1;7A", 0, 0},
- { XK_Up,ShiftMask|ControlMask|Mod1Mask,"\033[1;8A", 0, 0},
- { XK_Up, XK_ANY_MOD, "\033[A", 0, -1},
- { XK_Up, XK_ANY_MOD, "\033OA", 0, +1},
- { XK_Down, ShiftMask, "\033[1;2B", 0, 0},
- { XK_Down, Mod1Mask, "\033[1;3B", 0, 0},
- { XK_Down, ShiftMask|Mod1Mask,"\033[1;4B", 0, 0},
- { XK_Down, ControlMask, "\033[1;5B", 0, 0},
- { XK_Down, ShiftMask|ControlMask,"\033[1;6B", 0, 0},
- { XK_Down, ControlMask|Mod1Mask,"\033[1;7B", 0, 0},
- { XK_Down,ShiftMask|ControlMask|Mod1Mask,"\033[1;8B",0, 0},
- { XK_Down, XK_ANY_MOD, "\033[B", 0, -1},
- { XK_Down, XK_ANY_MOD, "\033OB", 0, +1},
- { XK_Left, ShiftMask, "\033[1;2D", 0, 0},
- { XK_Left, Mod1Mask, "\033[1;3D", 0, 0},
- { XK_Left, ShiftMask|Mod1Mask,"\033[1;4D", 0, 0},
- { XK_Left, ControlMask, "\033[1;5D", 0, 0},
- { XK_Left, ShiftMask|ControlMask,"\033[1;6D", 0, 0},
- { XK_Left, ControlMask|Mod1Mask,"\033[1;7D", 0, 0},
- { XK_Left,ShiftMask|ControlMask|Mod1Mask,"\033[1;8D",0, 0},
- { XK_Left, XK_ANY_MOD, "\033[D", 0, -1},
- { XK_Left, XK_ANY_MOD, "\033OD", 0, +1},
- { XK_Right, ShiftMask, "\033[1;2C", 0, 0},
- { XK_Right, Mod1Mask, "\033[1;3C", 0, 0},
- { XK_Right, ShiftMask|Mod1Mask,"\033[1;4C", 0, 0},
- { XK_Right, ControlMask, "\033[1;5C", 0, 0},
- { XK_Right, ShiftMask|ControlMask,"\033[1;6C", 0, 0},
- { XK_Right, ControlMask|Mod1Mask,"\033[1;7C", 0, 0},
- { XK_Right,ShiftMask|ControlMask|Mod1Mask,"\033[1;8C",0, 0},
- { XK_Right, XK_ANY_MOD, "\033[C", 0, -1},
- { XK_Right, XK_ANY_MOD, "\033OC", 0, +1},
- { XK_ISO_Left_Tab, ShiftMask, "\033[Z", 0, 0},
- { XK_Return, Mod1Mask, "\033\r", 0, 0},
- { XK_Return, XK_ANY_MOD, "\r", 0, 0},
- { XK_Insert, ShiftMask, "\033[4l", -1, 0},
- { XK_Insert, ShiftMask, "\033[2;2~", +1, 0},
- { XK_Insert, ControlMask, "\033[L", -1, 0},
- { XK_Insert, ControlMask, "\033[2;5~", +1, 0},
- { XK_Insert, XK_ANY_MOD, "\033[4h", -1, 0},
- { XK_Insert, XK_ANY_MOD, "\033[2~", +1, 0},
- { XK_Delete, ControlMask, "\033[M", -1, 0},
- { XK_Delete, ControlMask, "\033[3;5~", +1, 0},
- { XK_Delete, ShiftMask, "\033[2K", -1, 0},
- { XK_Delete, ShiftMask, "\033[3;2~", +1, 0},
- { XK_Delete, XK_ANY_MOD, "\033[P", -1, 0},
- { XK_Delete, XK_ANY_MOD, "\033[3~", +1, 0},
- { XK_BackSpace, XK_NO_MOD, "\177", 0, 0},
- { XK_BackSpace, Mod1Mask, "\033\177", 0, 0},
- { XK_Home, ShiftMask, "\033[2J", 0, -1},
- { XK_Home, ShiftMask, "\033[1;2H", 0, +1},
- { XK_Home, XK_ANY_MOD, "\033[H", 0, -1},
- { XK_Home, XK_ANY_MOD, "\033[1~", 0, +1},
- { XK_End, ControlMask, "\033[J", -1, 0},
- { XK_End, ControlMask, "\033[1;5F", +1, 0},
- { XK_End, ShiftMask, "\033[K", -1, 0},
- { XK_End, ShiftMask, "\033[1;2F", +1, 0},
- { XK_End, XK_ANY_MOD, "\033[4~", 0, 0},
- { XK_Prior, ControlMask, "\033[5;5~", 0, 0},
- { XK_Prior, ShiftMask, "\033[5;2~", 0, 0},
- { XK_Prior, XK_ANY_MOD, "\033[5~", 0, 0},
- { XK_Next, ControlMask, "\033[6;5~", 0, 0},
- { XK_Next, ShiftMask, "\033[6;2~", 0, 0},
- { XK_Next, XK_ANY_MOD, "\033[6~", 0, 0},
- { XK_F1, XK_NO_MOD, "\033OP" , 0, 0},
- { XK_F1, /* F13 */ ShiftMask, "\033[1;2P", 0, 0},
- { XK_F1, /* F25 */ ControlMask, "\033[1;5P", 0, 0},
- { XK_F1, /* F37 */ Mod4Mask, "\033[1;6P", 0, 0},
- { XK_F1, /* F49 */ Mod1Mask, "\033[1;3P", 0, 0},
- { XK_F1, /* F61 */ Mod3Mask, "\033[1;4P", 0, 0},
- { XK_F2, XK_NO_MOD, "\033OQ" , 0, 0},
- { XK_F2, /* F14 */ ShiftMask, "\033[1;2Q", 0, 0},
- { XK_F2, /* F26 */ ControlMask, "\033[1;5Q", 0, 0},
- { XK_F2, /* F38 */ Mod4Mask, "\033[1;6Q", 0, 0},
- { XK_F2, /* F50 */ Mod1Mask, "\033[1;3Q", 0, 0},
- { XK_F2, /* F62 */ Mod3Mask, "\033[1;4Q", 0, 0},
- { XK_F3, XK_NO_MOD, "\033OR" , 0, 0},
- { XK_F3, /* F15 */ ShiftMask, "\033[1;2R", 0, 0},
- { XK_F3, /* F27 */ ControlMask, "\033[1;5R", 0, 0},
- { XK_F3, /* F39 */ Mod4Mask, "\033[1;6R", 0, 0},
- { XK_F3, /* F51 */ Mod1Mask, "\033[1;3R", 0, 0},
- { XK_F3, /* F63 */ Mod3Mask, "\033[1;4R", 0, 0},
- { XK_F4, XK_NO_MOD, "\033OS" , 0, 0},
- { XK_F4, /* F16 */ ShiftMask, "\033[1;2S", 0, 0},
- { XK_F4, /* F28 */ ControlMask, "\033[1;5S", 0, 0},
- { XK_F4, /* F40 */ Mod4Mask, "\033[1;6S", 0, 0},
- { XK_F4, /* F52 */ Mod1Mask, "\033[1;3S", 0, 0},
- { XK_F5, XK_NO_MOD, "\033[15~", 0, 0},
- { XK_F5, /* F17 */ ShiftMask, "\033[15;2~", 0, 0},
- { XK_F5, /* F29 */ ControlMask, "\033[15;5~", 0, 0},
- { XK_F5, /* F41 */ Mod4Mask, "\033[15;6~", 0, 0},
- { XK_F5, /* F53 */ Mod1Mask, "\033[15;3~", 0, 0},
- { XK_F6, XK_NO_MOD, "\033[17~", 0, 0},
- { XK_F6, /* F18 */ ShiftMask, "\033[17;2~", 0, 0},
- { XK_F6, /* F30 */ ControlMask, "\033[17;5~", 0, 0},
- { XK_F6, /* F42 */ Mod4Mask, "\033[17;6~", 0, 0},
- { XK_F6, /* F54 */ Mod1Mask, "\033[17;3~", 0, 0},
- { XK_F7, XK_NO_MOD, "\033[18~", 0, 0},
- { XK_F7, /* F19 */ ShiftMask, "\033[18;2~", 0, 0},
- { XK_F7, /* F31 */ ControlMask, "\033[18;5~", 0, 0},
- { XK_F7, /* F43 */ Mod4Mask, "\033[18;6~", 0, 0},
- { XK_F7, /* F55 */ Mod1Mask, "\033[18;3~", 0, 0},
- { XK_F8, XK_NO_MOD, "\033[19~", 0, 0},
- { XK_F8, /* F20 */ ShiftMask, "\033[19;2~", 0, 0},
- { XK_F8, /* F32 */ ControlMask, "\033[19;5~", 0, 0},
- { XK_F8, /* F44 */ Mod4Mask, "\033[19;6~", 0, 0},
- { XK_F8, /* F56 */ Mod1Mask, "\033[19;3~", 0, 0},
- { XK_F9, XK_NO_MOD, "\033[20~", 0, 0},
- { XK_F9, /* F21 */ ShiftMask, "\033[20;2~", 0, 0},
- { XK_F9, /* F33 */ ControlMask, "\033[20;5~", 0, 0},
- { XK_F9, /* F45 */ Mod4Mask, "\033[20;6~", 0, 0},
- { XK_F9, /* F57 */ Mod1Mask, "\033[20;3~", 0, 0},
- { XK_F10, XK_NO_MOD, "\033[21~", 0, 0},
- { XK_F10, /* F22 */ ShiftMask, "\033[21;2~", 0, 0},
- { XK_F10, /* F34 */ ControlMask, "\033[21;5~", 0, 0},
- { XK_F10, /* F46 */ Mod4Mask, "\033[21;6~", 0, 0},
- { XK_F10, /* F58 */ Mod1Mask, "\033[21;3~", 0, 0},
- { XK_F11, XK_NO_MOD, "\033[23~", 0, 0},
- { XK_F11, /* F23 */ ShiftMask, "\033[23;2~", 0, 0},
- { XK_F11, /* F35 */ ControlMask, "\033[23;5~", 0, 0},
- { XK_F11, /* F47 */ Mod4Mask, "\033[23;6~", 0, 0},
- { XK_F11, /* F59 */ Mod1Mask, "\033[23;3~", 0, 0},
- { XK_F12, XK_NO_MOD, "\033[24~", 0, 0},
- { XK_F12, /* F24 */ ShiftMask, "\033[24;2~", 0, 0},
- { XK_F12, /* F36 */ ControlMask, "\033[24;5~", 0, 0},
- { XK_F12, /* F48 */ Mod4Mask, "\033[24;6~", 0, 0},
- { XK_F12, /* F60 */ Mod1Mask, "\033[24;3~", 0, 0},
- { XK_F13, XK_NO_MOD, "\033[1;2P", 0, 0},
- { XK_F14, XK_NO_MOD, "\033[1;2Q", 0, 0},
- { XK_F15, XK_NO_MOD, "\033[1;2R", 0, 0},
- { XK_F16, XK_NO_MOD, "\033[1;2S", 0, 0},
- { XK_F17, XK_NO_MOD, "\033[15;2~", 0, 0},
- { XK_F18, XK_NO_MOD, "\033[17;2~", 0, 0},
- { XK_F19, XK_NO_MOD, "\033[18;2~", 0, 0},
- { XK_F20, XK_NO_MOD, "\033[19;2~", 0, 0},
- { XK_F21, XK_NO_MOD, "\033[20;2~", 0, 0},
- { XK_F22, XK_NO_MOD, "\033[21;2~", 0, 0},
- { XK_F23, XK_NO_MOD, "\033[23;2~", 0, 0},
- { XK_F24, XK_NO_MOD, "\033[24;2~", 0, 0},
- { XK_F25, XK_NO_MOD, "\033[1;5P", 0, 0},
- { XK_F26, XK_NO_MOD, "\033[1;5Q", 0, 0},
- { XK_F27, XK_NO_MOD, "\033[1;5R", 0, 0},
- { XK_F28, XK_NO_MOD, "\033[1;5S", 0, 0},
- { XK_F29, XK_NO_MOD, "\033[15;5~", 0, 0},
- { XK_F30, XK_NO_MOD, "\033[17;5~", 0, 0},
- { XK_F31, XK_NO_MOD, "\033[18;5~", 0, 0},
- { XK_F32, XK_NO_MOD, "\033[19;5~", 0, 0},
- { XK_F33, XK_NO_MOD, "\033[20;5~", 0, 0},
- { XK_F34, XK_NO_MOD, "\033[21;5~", 0, 0},
- { XK_F35, XK_NO_MOD, "\033[23;5~", 0, 0},
+ /* keysym mask string appkey appcursor */
+ { XK_KP_Home, ShiftMask, "\033[2J", 0, -1},
+ { XK_KP_Home, ShiftMask, "\033[1;2H", 0, +1},
+ { XK_KP_Home, XK_ANY_MOD, "\033[H", 0, -1},
+ { XK_KP_Home, XK_ANY_MOD, "\033[1~", 0, +1},
+ { XK_KP_Up, XK_ANY_MOD, "\033Ox", +1, 0},
+ { XK_KP_Up, XK_ANY_MOD, "\033[A", 0, -1},
+ { XK_KP_Up, XK_ANY_MOD, "\033OA", 0, +1},
+ { XK_KP_Down, XK_ANY_MOD, "\033Or", +1, 0},
+ { XK_KP_Down, XK_ANY_MOD, "\033[B", 0, -1},
+ { XK_KP_Down, XK_ANY_MOD, "\033OB", 0, +1},
+ { XK_KP_Left, XK_ANY_MOD, "\033Ot", +1, 0},
+ { XK_KP_Left, XK_ANY_MOD, "\033[D", 0, -1},
+ { XK_KP_Left, XK_ANY_MOD, "\033OD", 0, +1},
+ { XK_KP_Right, XK_ANY_MOD, "\033Ov", +1, 0},
+ { XK_KP_Right, XK_ANY_MOD, "\033[C", 0, -1},
+ { XK_KP_Right, XK_ANY_MOD, "\033OC", 0, +1},
+ { XK_KP_Prior, ShiftMask, "\033[5;2~", 0, 0},
+ { XK_KP_Prior, XK_ANY_MOD, "\033[5~", 0, 0},
+ { XK_KP_Begin, XK_ANY_MOD, "\033[E", 0, 0},
+ { XK_KP_End, ControlMask, "\033[J", -1, 0},
+ { XK_KP_End, ControlMask, "\033[1;5F", +1, 0},
+ { XK_KP_End, ShiftMask, "\033[K", -1, 0},
+ { XK_KP_End, ShiftMask, "\033[1;2F", +1, 0},
+ { XK_KP_End, XK_ANY_MOD, "\033[4~", 0, 0},
+ { XK_KP_Next, ShiftMask, "\033[6;2~", 0, 0},
+ { XK_KP_Next, XK_ANY_MOD, "\033[6~", 0, 0},
+ { XK_KP_Insert, ShiftMask, "\033[2;2~", +1, 0},
+ { XK_KP_Insert, ShiftMask, "\033[4l", -1, 0},
+ { XK_KP_Insert, ControlMask, "\033[L", -1, 0},
+ { XK_KP_Insert, ControlMask, "\033[2;5~", +1, 0},
+ { XK_KP_Insert, XK_ANY_MOD, "\033[4h", -1, 0},
+ { XK_KP_Insert, XK_ANY_MOD, "\033[2~", +1, 0},
+ { XK_KP_Delete, ControlMask, "\033[M", -1, 0},
+ { XK_KP_Delete, ControlMask, "\033[3;5~", +1, 0},
+ { XK_KP_Delete, ShiftMask, "\033[2K", -1, 0},
+ { XK_KP_Delete, ShiftMask, "\033[3;2~", +1, 0},
+ { XK_KP_Delete, XK_ANY_MOD, "\033[P", -1, 0},
+ { XK_KP_Delete, XK_ANY_MOD, "\033[3~", +1, 0},
+ { XK_KP_Multiply, XK_ANY_MOD, "\033Oj", +2, 0},
+ { XK_KP_Add, XK_ANY_MOD, "\033Ok", +2, 0},
+ { XK_KP_Enter, XK_ANY_MOD, "\033OM", +2, 0},
+ { XK_KP_Enter, XK_ANY_MOD, "\r", -1, 0},
+ { XK_KP_Subtract, XK_ANY_MOD, "\033Om", +2, 0},
+ { XK_KP_Decimal, XK_ANY_MOD, "\033On", +2, 0},
+ { XK_KP_Divide, XK_ANY_MOD, "\033Oo", +2, 0},
+ { XK_KP_0, XK_ANY_MOD, "\033Op", +2, 0},
+ { XK_KP_1, XK_ANY_MOD, "\033Oq", +2, 0},
+ { XK_KP_2, XK_ANY_MOD, "\033Or", +2, 0},
+ { XK_KP_3, XK_ANY_MOD, "\033Os", +2, 0},
+ { XK_KP_4, XK_ANY_MOD, "\033Ot", +2, 0},
+ { XK_KP_5, XK_ANY_MOD, "\033Ou", +2, 0},
+ { XK_KP_6, XK_ANY_MOD, "\033Ov", +2, 0},
+ { XK_KP_7, XK_ANY_MOD, "\033Ow", +2, 0},
+ { XK_KP_8, XK_ANY_MOD, "\033Ox", +2, 0},
+ { XK_KP_9, XK_ANY_MOD, "\033Oy", +2, 0},
+ { XK_Up, ShiftMask, "\033[1;2A", 0, 0},
+ { XK_Up, Mod1Mask, "\033[1;3A", 0, 0},
+ { XK_Up, ShiftMask|Mod1Mask,"\033[1;4A", 0, 0},
+ { XK_Up, ControlMask, "\033[1;5A", 0, 0},
+ { XK_Up, ShiftMask|ControlMask,"\033[1;6A", 0, 0},
+ { XK_Up, ControlMask|Mod1Mask,"\033[1;7A", 0, 0},
+ { XK_Up,ShiftMask|ControlMask|Mod1Mask,"\033[1;8A", 0, 0},
+ { XK_Up, XK_ANY_MOD, "\033[A", 0, -1},
+ { XK_Up, XK_ANY_MOD, "\033OA", 0, +1},
+ { XK_Down, ShiftMask, "\033[1;2B", 0, 0},
+ { XK_Down, Mod1Mask, "\033[1;3B", 0, 0},
+ { XK_Down, ShiftMask|Mod1Mask,"\033[1;4B", 0, 0},
+ { XK_Down, ControlMask, "\033[1;5B", 0, 0},
+ { XK_Down, ShiftMask|ControlMask,"\033[1;6B", 0, 0},
+ { XK_Down, ControlMask|Mod1Mask,"\033[1;7B", 0, 0},
+ { XK_Down,ShiftMask|ControlMask|Mod1Mask,"\033[1;8B",0, 0},
+ { XK_Down, XK_ANY_MOD, "\033[B", 0, -1},
+ { XK_Down, XK_ANY_MOD, "\033OB", 0, +1},
+ { XK_Left, ShiftMask, "\033[1;2D", 0, 0},
+ { XK_Left, Mod1Mask, "\033[1;3D", 0, 0},
+ { XK_Left, ShiftMask|Mod1Mask,"\033[1;4D", 0, 0},
+ { XK_Left, ControlMask, "\033[1;5D", 0, 0},
+ { XK_Left, ShiftMask|ControlMask,"\033[1;6D", 0, 0},
+ { XK_Left, ControlMask|Mod1Mask,"\033[1;7D", 0, 0},
+ { XK_Left,ShiftMask|ControlMask|Mod1Mask,"\033[1;8D",0, 0},
+ { XK_Left, XK_ANY_MOD, "\033[D", 0, -1},
+ { XK_Left, XK_ANY_MOD, "\033OD", 0, +1},
+ { XK_Right, ShiftMask, "\033[1;2C", 0, 0},
+ { XK_Right, Mod1Mask, "\033[1;3C", 0, 0},
+ { XK_Right, ShiftMask|Mod1Mask,"\033[1;4C", 0, 0},
+ { XK_Right, ControlMask, "\033[1;5C", 0, 0},
+ { XK_Right, ShiftMask|ControlMask,"\033[1;6C", 0, 0},
+ { XK_Right, ControlMask|Mod1Mask,"\033[1;7C", 0, 0},
+ { XK_Right,ShiftMask|ControlMask|Mod1Mask,"\033[1;8C",0, 0},
+ { XK_Right, XK_ANY_MOD, "\033[C", 0, -1},
+ { XK_Right, XK_ANY_MOD, "\033OC", 0, +1},
+ { XK_ISO_Left_Tab, ShiftMask, "\033[Z", 0, 0},
+ { XK_Return, Mod1Mask, "\033\r", 0, 0},
+ { XK_Return, XK_ANY_MOD, "\r", 0, 0},
+ { XK_Insert, ShiftMask, "\033[4l", -1, 0},
+ { XK_Insert, ShiftMask, "\033[2;2~", +1, 0},
+ { XK_Insert, ControlMask, "\033[L", -1, 0},
+ { XK_Insert, ControlMask, "\033[2;5~", +1, 0},
+ { XK_Insert, XK_ANY_MOD, "\033[4h", -1, 0},
+ { XK_Insert, XK_ANY_MOD, "\033[2~", +1, 0},
+ { XK_Delete, ControlMask, "\033[M", -1, 0},
+ { XK_Delete, ControlMask, "\033[3;5~", +1, 0},
+ { XK_Delete, ShiftMask, "\033[2K", -1, 0},
+ { XK_Delete, ShiftMask, "\033[3;2~", +1, 0},
+ { XK_Delete, XK_ANY_MOD, "\033[P", -1, 0},
+ { XK_Delete, XK_ANY_MOD, "\033[3~", +1, 0},
+ { XK_BackSpace, XK_NO_MOD, "\177", 0, 0},
+ { XK_BackSpace, Mod1Mask, "\033\177", 0, 0},
+ { XK_Home, ShiftMask, "\033[2J", 0, -1},
+ { XK_Home, ShiftMask, "\033[1;2H", 0, +1},
+ { XK_Home, XK_ANY_MOD, "\033[H", 0, -1},
+ { XK_Home, XK_ANY_MOD, "\033[1~", 0, +1},
+ { XK_End, ControlMask, "\033[J", -1, 0},
+ { XK_End, ControlMask, "\033[1;5F", +1, 0},
+ { XK_End, ShiftMask, "\033[K", -1, 0},
+ { XK_End, ShiftMask, "\033[1;2F", +1, 0},
+ { XK_End, XK_ANY_MOD, "\033[4~", 0, 0},
+ { XK_Prior, ControlMask, "\033[5;5~", 0, 0},
+ { XK_Prior, ShiftMask, "\033[5;2~", 0, 0},
+ { XK_Prior, XK_ANY_MOD, "\033[5~", 0, 0},
+ { XK_Next, ControlMask, "\033[6;5~", 0, 0},
+ { XK_Next, ShiftMask, "\033[6;2~", 0, 0},
+ { XK_Next, XK_ANY_MOD, "\033[6~", 0, 0},
+ { XK_F1, XK_NO_MOD, "\033OP" , 0, 0},
+ { XK_F1, /* F13 */ ShiftMask, "\033[1;2P", 0, 0},
+ { XK_F1, /* F25 */ ControlMask, "\033[1;5P", 0, 0},
+ { XK_F1, /* F37 */ Mod4Mask, "\033[1;6P", 0, 0},
+ { XK_F1, /* F49 */ Mod1Mask, "\033[1;3P", 0, 0},
+ { XK_F1, /* F61 */ Mod3Mask, "\033[1;4P", 0, 0},
+ { XK_F2, XK_NO_MOD, "\033OQ" , 0, 0},
+ { XK_F2, /* F14 */ ShiftMask, "\033[1;2Q", 0, 0},
+ { XK_F2, /* F26 */ ControlMask, "\033[1;5Q", 0, 0},
+ { XK_F2, /* F38 */ Mod4Mask, "\033[1;6Q", 0, 0},
+ { XK_F2, /* F50 */ Mod1Mask, "\033[1;3Q", 0, 0},
+ { XK_F2, /* F62 */ Mod3Mask, "\033[1;4Q", 0, 0},
+ { XK_F3, XK_NO_MOD, "\033OR" , 0, 0},
+ { XK_F3, /* F15 */ ShiftMask, "\033[1;2R", 0, 0},
+ { XK_F3, /* F27 */ ControlMask, "\033[1;5R", 0, 0},
+ { XK_F3, /* F39 */ Mod4Mask, "\033[1;6R", 0, 0},
+ { XK_F3, /* F51 */ Mod1Mask, "\033[1;3R", 0, 0},
+ { XK_F3, /* F63 */ Mod3Mask, "\033[1;4R", 0, 0},
+ { XK_F4, XK_NO_MOD, "\033OS" , 0, 0},
+ { XK_F4, /* F16 */ ShiftMask, "\033[1;2S", 0, 0},
+ { XK_F4, /* F28 */ ControlMask, "\033[1;5S", 0, 0},
+ { XK_F4, /* F40 */ Mod4Mask, "\033[1;6S", 0, 0},
+ { XK_F4, /* F52 */ Mod1Mask, "\033[1;3S", 0, 0},
+ { XK_F5, XK_NO_MOD, "\033[15~", 0, 0},
+ { XK_F5, /* F17 */ ShiftMask, "\033[15;2~", 0, 0},
+ { XK_F5, /* F29 */ ControlMask, "\033[15;5~", 0, 0},
+ { XK_F5, /* F41 */ Mod4Mask, "\033[15;6~", 0, 0},
+ { XK_F5, /* F53 */ Mod1Mask, "\033[15;3~", 0, 0},
+ { XK_F6, XK_NO_MOD, "\033[17~", 0, 0},
+ { XK_F6, /* F18 */ ShiftMask, "\033[17;2~", 0, 0},
+ { XK_F6, /* F30 */ ControlMask, "\033[17;5~", 0, 0},
+ { XK_F6, /* F42 */ Mod4Mask, "\033[17;6~", 0, 0},
+ { XK_F6, /* F54 */ Mod1Mask, "\033[17;3~", 0, 0},
+ { XK_F7, XK_NO_MOD, "\033[18~", 0, 0},
+ { XK_F7, /* F19 */ ShiftMask, "\033[18;2~", 0, 0},
+ { XK_F7, /* F31 */ ControlMask, "\033[18;5~", 0, 0},
+ { XK_F7, /* F43 */ Mod4Mask, "\033[18;6~", 0, 0},
+ { XK_F7, /* F55 */ Mod1Mask, "\033[18;3~", 0, 0},
+ { XK_F8, XK_NO_MOD, "\033[19~", 0, 0},
+ { XK_F8, /* F20 */ ShiftMask, "\033[19;2~", 0, 0},
+ { XK_F8, /* F32 */ ControlMask, "\033[19;5~", 0, 0},
+ { XK_F8, /* F44 */ Mod4Mask, "\033[19;6~", 0, 0},
+ { XK_F8, /* F56 */ Mod1Mask, "\033[19;3~", 0, 0},
+ { XK_F9, XK_NO_MOD, "\033[20~", 0, 0},
+ { XK_F9, /* F21 */ ShiftMask, "\033[20;2~", 0, 0},
+ { XK_F9, /* F33 */ ControlMask, "\033[20;5~", 0, 0},
+ { XK_F9, /* F45 */ Mod4Mask, "\033[20;6~", 0, 0},
+ { XK_F9, /* F57 */ Mod1Mask, "\033[20;3~", 0, 0},
+ { XK_F10, XK_NO_MOD, "\033[21~", 0, 0},
+ { XK_F10, /* F22 */ ShiftMask, "\033[21;2~", 0, 0},
+ { XK_F10, /* F34 */ ControlMask, "\033[21;5~", 0, 0},
+ { XK_F10, /* F46 */ Mod4Mask, "\033[21;6~", 0, 0},
+ { XK_F10, /* F58 */ Mod1Mask, "\033[21;3~", 0, 0},
+ { XK_F11, XK_NO_MOD, "\033[23~", 0, 0},
+ { XK_F11, /* F23 */ ShiftMask, "\033[23;2~", 0, 0},
+ { XK_F11, /* F35 */ ControlMask, "\033[23;5~", 0, 0},
+ { XK_F11, /* F47 */ Mod4Mask, "\033[23;6~", 0, 0},
+ { XK_F11, /* F59 */ Mod1Mask, "\033[23;3~", 0, 0},
+ { XK_F12, XK_NO_MOD, "\033[24~", 0, 0},
+ { XK_F12, /* F24 */ ShiftMask, "\033[24;2~", 0, 0},
+ { XK_F12, /* F36 */ ControlMask, "\033[24;5~", 0, 0},
+ { XK_F12, /* F48 */ Mod4Mask, "\033[24;6~", 0, 0},
+ { XK_F12, /* F60 */ Mod1Mask, "\033[24;3~", 0, 0},
+ { XK_F13, XK_NO_MOD, "\033[1;2P", 0, 0},
+ { XK_F14, XK_NO_MOD, "\033[1;2Q", 0, 0},
+ { XK_F15, XK_NO_MOD, "\033[1;2R", 0, 0},
+ { XK_F16, XK_NO_MOD, "\033[1;2S", 0, 0},
+ { XK_F17, XK_NO_MOD, "\033[15;2~", 0, 0},
+ { XK_F18, XK_NO_MOD, "\033[17;2~", 0, 0},
+ { XK_F19, XK_NO_MOD, "\033[18;2~", 0, 0},
+ { XK_F20, XK_NO_MOD, "\033[19;2~", 0, 0},
+ { XK_F21, XK_NO_MOD, "\033[20;2~", 0, 0},
+ { XK_F22, XK_NO_MOD, "\033[21;2~", 0, 0},
+ { XK_F23, XK_NO_MOD, "\033[23;2~", 0, 0},
+ { XK_F24, XK_NO_MOD, "\033[24;2~", 0, 0},
+ { XK_F25, XK_NO_MOD, "\033[1;5P", 0, 0},
+ { XK_F26, XK_NO_MOD, "\033[1;5Q", 0, 0},
+ { XK_F27, XK_NO_MOD, "\033[1;5R", 0, 0},
+ { XK_F28, XK_NO_MOD, "\033[1;5S", 0, 0},
+ { XK_F29, XK_NO_MOD, "\033[15;5~", 0, 0},
+ { XK_F30, XK_NO_MOD, "\033[17;5~", 0, 0},
+ { XK_F31, XK_NO_MOD, "\033[18;5~", 0, 0},
+ { XK_F32, XK_NO_MOD, "\033[19;5~", 0, 0},
+ { XK_F33, XK_NO_MOD, "\033[20;5~", 0, 0},
+ { XK_F34, XK_NO_MOD, "\033[21;5~", 0, 0},
+ { XK_F35, XK_NO_MOD, "\033[23;5~", 0, 0},
};
/*
@@ -490,17 +491,16 @@ static Key key[] = {
* If no match is found, regular selection is used.
*/
static uint selmasks[] = {
- [SEL_RECTANGULAR] = Mod1Mask,
+ [SEL_RECTANGULAR] = Mod1Mask,
};
/*
* Printable characters in ASCII, used to estimate the advance width
* of single wide characters.
*/
-static char ascii_printable[] =
- " !\"#$%&'()*+,-./0123456789:;<=>?"
- "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
- "`abcdefghijklmnopqrstuvwxyz{|}~";
+static char ascii_printable[] = " !\"#$%&'()*+,-./0123456789:;<=>?"
+ "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
+ "`abcdefghijklmnopqrstuvwxyz{|}~";
/**
* Undercurl style. Set UNDERCURL_STYLE to one of the available styles.
diff --git a/st.c b/st.c
index 84e76ce..584818d 100644
--- a/st.c
+++ b/st.c
@@ -4,11 +4,11 @@
#include <fcntl.h>
#include <limits.h>
#include <pwd.h>
+#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <signal.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <sys/types.h>
@@ -20,156 +20,154 @@
#include "st.h"
#include "win.h"
-#if defined(__linux)
- #include <pty.h>
+#if defined(__linux)
+#include <pty.h>
#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
- #include <util.h>
+#include <util.h>
#elif defined(__FreeBSD__) || defined(__DragonFly__)
- #include <libutil.h>
+#include <libutil.h>
#endif
/* Arbitrary sizes */
-#define UTF_INVALID 0xFFFD
-#define UTF_SIZ 4
-#define ESC_BUF_SIZ (128*UTF_SIZ)
-#define ESC_ARG_SIZ 16
-#define CAR_PER_ARG 4
-#define STR_BUF_SIZ ESC_BUF_SIZ
-#define STR_ARG_SIZ ESC_ARG_SIZ
+#define UTF_INVALID 0xFFFD
+#define UTF_SIZ 4
+#define ESC_BUF_SIZ (128 * UTF_SIZ)
+#define ESC_ARG_SIZ 16
+#define CAR_PER_ARG 4
+#define STR_BUF_SIZ ESC_BUF_SIZ
+#define STR_ARG_SIZ ESC_ARG_SIZ
/* macros */
-#define IS_SET(flag) ((term.mode & (flag)) != 0)
-#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == 0x7f)
-#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
-#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
-#define ISDELIM(u) (u && wcschr(worddelimiters, u))
+#define IS_SET(flag) ((term.mode & (flag)) != 0)
+#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == 0x7f)
+#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
+#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
+#define ISDELIM(u) (u && wcschr(worddelimiters, u))
#define TSCREEN term.screen[IS_SET(MODE_ALTSCREEN)]
-#define TLINEOFFSET(y) (((y) + TSCREEN.cur - TSCREEN.off + TSCREEN.size) % TSCREEN.size)
+#define TLINEOFFSET(y) \
+ (((y) + TSCREEN.cur - TSCREEN.off + TSCREEN.size) % TSCREEN.size)
#define TLINE(y) (TSCREEN.buffer[TLINEOFFSET(y)])
enum term_mode {
- MODE_WRAP = 1 << 0,
- MODE_INSERT = 1 << 1,
- MODE_ALTSCREEN = 1 << 2,
- MODE_CRLF = 1 << 3,
- MODE_ECHO = 1 << 4,
- MODE_PRINT = 1 << 5,
- MODE_UTF8 = 1 << 6,
+ MODE_WRAP = 1 << 0,
+ MODE_INSERT = 1 << 1,
+ MODE_ALTSCREEN = 1 << 2,
+ MODE_CRLF = 1 << 3,
+ MODE_ECHO = 1 << 4,
+ MODE_PRINT = 1 << 5,
+ MODE_UTF8 = 1 << 6,
};
-enum cursor_movement {
- CURSOR_SAVE,
- CURSOR_LOAD
-};
+enum cursor_movement { CURSOR_SAVE, CURSOR_LOAD };
enum cursor_state {
- CURSOR_DEFAULT = 0,
- CURSOR_WRAPNEXT = 1,
- CURSOR_ORIGIN = 2
+ CURSOR_DEFAULT = 0,
+ CURSOR_WRAPNEXT = 1,
+ CURSOR_ORIGIN = 2
};
enum charset {
- CS_GRAPHIC0,
- CS_GRAPHIC1,
- CS_UK,
- CS_USA,
- CS_MULTI,
- CS_GER,
- CS_FIN
+ CS_GRAPHIC0,
+ CS_GRAPHIC1,
+ CS_UK,
+ CS_USA,
+ CS_MULTI,
+ CS_GER,
+ CS_FIN
};
enum escape_state {
- ESC_START = 1,
- ESC_CSI = 2,
- ESC_STR = 4, /* DCS, OSC, PM, APC */
- ESC_ALTCHARSET = 8,
- ESC_STR_END = 16, /* a final string was encountered */
- ESC_TEST = 32, /* Enter in test mode */
- ESC_UTF8 = 64,
+ ESC_START = 1,
+ ESC_CSI = 2,
+ ESC_STR = 4, /* DCS, OSC, PM, APC */
+ ESC_ALTCHARSET = 8,
+ ESC_STR_END = 16, /* a final string was encountered */
+ ESC_TEST = 32, /* Enter in test mode */
+ ESC_UTF8 = 64,
};
typedef struct {
- Glyph attr; /* current char attributes */
- int x;
- int y;
- char state;
+ Glyph attr; /* current char attributes */
+ int x;
+ int y;
+ char state;
} TCursor;
typedef struct {
- int mode;
- int type;
- int snap;
- /*
- * Selection variables:
- * nb – normalized coordinates of the beginning of the selection
- * ne – normalized coordinates of the end of the selection
- * ob – original coordinates of the beginning of the selection
- * oe – original coordinates of the end of the selection
- */
- struct {
- int x, y;
- } nb, ne, ob, oe;
-
- int alt;
+ int mode;
+ int type;
+ int snap;
+ /*
+ * Selection variables:
+ * nb – normalized coordinates of the beginning of the selection
+ * ne – normalized coordinates of the end of the selection
+ * ob – original coordinates of the beginning of the selection
+ * oe – original coordinates of the end of the selection
+ */
+ struct {
+ int x, y;
+ } nb, ne, ob, oe;
+
+ int alt;
} Selection;
/* Screen lines */
typedef struct {
- Line* buffer; /* ring buffer */
- int size; /* size of buffer */
- int cur; /* start of active screen */
- int off; /* scrollback line offset */
- TCursor sc; /* saved cursor */
+ Line *buffer; /* ring buffer */
+ int size; /* size of buffer */
+ int cur; /* start of active screen */
+ int off; /* scrollback line offset */
+ TCursor sc; /* saved cursor */
} LineBuffer;
/* Internal representation of the screen */
typedef struct {
- int row; /* nb row */
- int col; /* nb col */
- LineBuffer screen[2]; /* screen and alternate screen */
- int linelen; /* allocated line length */
- int *dirty; /* dirtyness of lines */
- TCursor c; /* cursor */
- int ocx; /* old cursor col */
- int ocy; /* old cursor row */
- int top; /* top scroll limit */
- int bot; /* bottom scroll limit */
- int mode; /* terminal mode flags */
- int esc; /* escape state flags */
- char trantbl[4]; /* charset table translation */
- int charset; /* current charset */
- int icharset; /* selected charset for sequence */
- int *tabs;
- Rune lastc; /* last printed char outside of sequence, 0 if control */
+ int row; /* nb row */
+ int col; /* nb col */
+ LineBuffer screen[2]; /* screen and alternate screen */
+ int linelen; /* allocated line length */
+ int *dirty; /* dirtyness of lines */
+ TCursor c; /* cursor */
+ int ocx; /* old cursor col */
+ int ocy; /* old cursor row */
+ int top; /* top scroll limit */
+ int bot; /* bottom scroll limit */
+ int mode; /* terminal mode flags */
+ int esc; /* escape state flags */
+ char trantbl[4]; /* charset table translation */
+ int charset; /* current charset */
+ int icharset; /* selected charset for sequence */
+ int *tabs;
+ Rune lastc; /* last printed char outside of sequence, 0 if control */
} Term;
/* CSI Escape sequence structs */
/* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
typedef struct {
- char buf[ESC_BUF_SIZ]; /* raw string */
- size_t len; /* raw string length */
- char priv;
- int arg[ESC_ARG_SIZ];
- int narg; /* nb of args */
- char mode[2];
- int carg[ESC_ARG_SIZ][CAR_PER_ARG]; /* colon args */
+ char buf[ESC_BUF_SIZ]; /* raw string */
+ size_t len; /* raw string length */
+ char priv;
+ int arg[ESC_ARG_SIZ];
+ int narg; /* nb of args */
+ char mode[2];
+ int carg[ESC_ARG_SIZ][CAR_PER_ARG]; /* colon args */
} CSIEscape;
/* STR Escape sequence structs */
/* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
typedef struct {
- char type; /* ESC type ... */
- char *buf; /* allocated raw string */
- size_t siz; /* allocation size */
- size_t len; /* raw string length */
- char *args[STR_ARG_SIZ];
- int narg; /* nb of args */
+ char type; /* ESC type ... */
+ char *buf; /* allocated raw string */
+ size_t siz; /* allocation size */
+ size_t len; /* raw string length */
+ char *args[STR_ARG_SIZ];
+ int narg; /* nb of args */
} STREscape;
typedef struct {
- int state;
- size_t length;
+ int state;
+ size_t length;
} URLdfa;
static void execsh(char *, char **);
@@ -216,8 +214,8 @@ static void tswapscreen(void);
static void tsetmode(int, int, const int *, int);
static int twrite(const char *, int, int);
static void tfulldirt(void);
-static void tcontrolcode(uchar );
-static void tdectest(char );
+static void tcontrolcode(uchar);
+static void tdectest(char);
static void tdefutf8(char);
static int32_t tdefcolor(const int *, int *, int);
static void tdeftran(char);
@@ -251,2789 +249,2570 @@ static int iofd = 1;
static int cmdfd;
static pid_t pid;
-static const uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
+static const uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
static const uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
-static const Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
-static const Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
+static const Rune utfmin[UTF_SIZ + 1] = {0, 0, 0x80, 0x800, 0x10000};
+static const Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF,
+ 0x10FFFF};
-ssize_t
-xwrite(int fd, const char *s, size_t len)
-{
- size_t aux = len;
- ssize_t r;
+ssize_t xwrite(int fd, const char *s, size_t len) {
+ size_t aux = len;
+ ssize_t r;
- while (len > 0) {
- r = write(fd, s, len);
- if (r < 0)
- return r;
- len -= r;
- s += r;
- }
+ while (len > 0) {
+ r = write(fd, s, len);
+ if (r < 0)
+ return r;
+ len -= r;
+ s += r;
+ }
- return aux;
+ return aux;
}
-void *
-xmalloc(size_t len)
-{
- void *p;
+void *xmalloc(size_t len) {
+ void *p;
- if (!(p = malloc(len)))
- die("malloc: %s\n", strerror(errno));
+ if (!(p = malloc(len)))
+ die("malloc: %s\n", strerror(errno));
- return p;
+ return p;
}
-void *
-xrealloc(void *p, size_t len)
-{
- if ((p = realloc(p, len)) == NULL)
- die("realloc: %s\n", strerror(errno));
+void *xrealloc(void *p, size_t len) {
+ if ((p = realloc(p, len)) == NULL)
+ die("realloc: %s\n", strerror(errno));
+
+ return p;
+}
+
+char *xstrdup(const char *s) {
+ char *p;
+
+ if ((p = strdup(s)) == NULL)
+ die("strdup: %s\n", strerror(errno));
+
+ return p;
+}
+
+size_t utf8decode(const char *c, Rune *u, size_t clen) {
+ size_t i, j, len, type;
+ Rune udecoded;
+
+ *u = UTF_INVALID;
+ if (!clen)
+ return 0;
+ udecoded = utf8decodebyte(c[0], &len);
+ if (!BETWEEN(len, 1, UTF_SIZ))
+ return 1;
+ for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
+ udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
+ if (type != 0)
+ return j;
+ }
+ if (j < len)
+ return 0;
+ *u = udecoded;
+ utf8validate(u, len);
+
+ return len;
+}
+
+Rune utf8decodebyte(char c, size_t *i) {
+ for (*i = 0; *i < LEN(utfmask); ++(*i))
+ if (((uchar)c & utfmask[*i]) == utfbyte[*i])
+ return (uchar)c & ~utfmask[*i];
+
+ return 0;
+}
+
+size_t utf8encode(Rune u, char *c) {
+ size_t len, i;
+
+ len = utf8validate(&u, 0);
+ if (len > UTF_SIZ)
+ return 0;
+
+ for (i = len - 1; i != 0; --i) {
+ c[i] = utf8encodebyte(u, 0);
+ u >>= 6;
+ }
+ c[0] = utf8encodebyte(u, len);
+
+ return len;
+}
+
+char utf8encodebyte(Rune u, size_t i) { return utfbyte[i] | (u & ~utfmask[i]); }
+
+size_t utf8validate(Rune *u, size_t i) {
+ if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
+ *u = UTF_INVALID;
+ for (i = 1; *u > utfmax[i]; ++i)
+ ;
+
+ return i;
+}
- return p;
+char base64dec_getc(const char **src) {
+ while (**src && !isprint((unsigned char)**src))
+ (*src)++;
+ return **src ? *((*src)++) : '='; /* emulate padding if string ends */
}
-char *
-xstrdup(const char *s)
-{
- char *p;
+char *base64dec(const char *src) {
+ size_t in_len = strlen(src);
+ char *result, *dst;
+ static const char base64_digits[256] = {
+ [43] = 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0,
+ 0, 0, -1, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
+ 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
+ 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51};
- if ((p = strdup(s)) == NULL)
- die("strdup: %s\n", strerror(errno));
-
- return p;
-}
+ if (in_len % 4)
+ in_len += 4 - (in_len % 4);
+ result = dst = xmalloc(in_len / 4 * 3 + 1);
+ while (*src) {
+ int a = base64_digits[(unsigned char)base64dec_getc(&src)];
+ int b = base64_digits[(unsigned char)base64dec_getc(&src)];
+ int c = base64_digits[(unsigned char)base64dec_getc(&src)];
+ int d = base64_digits[(unsigned char)base64dec_getc(&src)];
-size_t
-utf8decode(const char *c, Rune *u, size_t clen)
-{
- size_t i, j, len, type;
- Rune udecoded;
-
- *u = UTF_INVALID;
- if (!clen)
- return 0;
- udecoded = utf8decodebyte(c[0], &len);
- if (!BETWEEN(len, 1, UTF_SIZ))
- return 1;
- for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
- udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
- if (type != 0)
- return j;
- }
- if (j < len)
- return 0;
- *u = udecoded;
- utf8validate(u, len);
-
- return len;
-}
-
-Rune
-utf8decodebyte(char c, size_t *i)
-{
- for (*i = 0; *i < LEN(utfmask); ++(*i))
- if (((uchar)c & utfmask[*i]) == utfbyte[*i])
- return (uchar)c & ~utfmask[*i];
-
- return 0;
-}
-
-size_t
-utf8encode(Rune u, char *c)
-{
- size_t len, i;
+ /* invalid input. 'a' can be -1, e.g. if src is "\n" (c-str) */
+ if (a == -1 || b == -1)
+ break;
- len = utf8validate(&u, 0);
- if (len > UTF_SIZ)
- return 0;
-
- for (i = len - 1; i != 0; --i) {
- c[i] = utf8encodebyte(u, 0);
- u >>= 6;
- }
- c[0] = utf8encodebyte(u, len);
-
- return len;
-}
-
-char
-utf8encodebyte(Rune u, size_t i)
-{
- return utfbyte[i] | (u & ~utfmask[i]);
-}
-
-size_t
-utf8validate(Rune *u, size_t i)
-{
- if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
- *u = UTF_INVALID;
- for (i = 1; *u > utfmax[i]; ++i)
- ;
-
- return i;
-}
-
-char
-base64dec_getc(const char **src)
-{
- while (**src && !isprint((unsigned char)**src))
- (*src)++;
- return **src ? *((*src)++) : '='; /* emulate padding if string ends */
-}
-
-char *
-base64dec(const char *src)
-{
- size_t in_len = strlen(src);
- char *result, *dst;
- static const char base64_digits[256] = {
- [43] = 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
- 0, 0, 0, -1, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
- 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0,
- 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
- 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51
- };
-
- if (in_len % 4)
- in_len += 4 - (in_len % 4);
- result = dst = xmalloc(in_len / 4 * 3 + 1);
- while (*src) {
- int a = base64_digits[(unsigned char) base64dec_getc(&src)];
- int b = base64_digits[(unsigned char) base64dec_getc(&src)];
- int c = base64_digits[(unsigned char) base64dec_getc(&src)];
- int d = base64_digits[(unsigned char) base64dec_getc(&src)];
-
- /* invalid input. 'a' can be -1, e.g. if src is "\n" (c-str) */
- if (a == -1 || b == -1)
- break;
-
- *dst++ = (a << 2) | ((b & 0x30) >> 4);
- if (c == -1)
- break;
- *dst++ = ((b & 0x0f) << 4) | ((c & 0x3c) >> 2);
- if (d == -1)
- break;
- *dst++ = ((c & 0x03) << 6) | d;
- }
- *dst = '\0';
- return result;
-}
-
-void
-selinit(void)
-{
- sel.mode = SEL_IDLE;
- sel.snap = 0;
- sel.ob.x = -1;
-}
-
-int
-tlinelen(int y)
-{
- int i = term.col;
- Line line = TLINE(y);
-
- if (line[i - 1].mode & ATTR_WRAP)
- return i;
-
- while (i > 0 && line[i - 1].u == ' ')
- --i;
-
- return i;
-}
-
-void
-selstart(int col, int row, int snap)
-{
- selclear();
- sel.mode = SEL_EMPTY;
- sel.type = SEL_REGULAR;
- sel.alt = IS_SET(MODE_ALTSCREEN);
- sel.snap = snap;
- sel.oe.x = sel.ob.x = col;
- sel.oe.y = sel.ob.y = row;
- selnormalize();
-
- if (sel.snap != 0)
- sel.mode = SEL_READY;
- tsetdirt(sel.nb.y, sel.ne.y);
-}
-
-void
-selextend(int col, int row, int type, int done)
-{
- int oldey, oldex, oldsby, oldsey, oldtype;
-
- if (sel.mode == SEL_IDLE)
- return;
- if (done && sel.mode == SEL_EMPTY) {
- selclear();
- return;
- }
-
- oldey = sel.oe.y;
- oldex = sel.oe.x;
- oldsby = sel.nb.y;
- oldsey = sel.ne.y;
- oldtype = sel.type;
-
- sel.oe.x = col;
- sel.oe.y = row;
- selnormalize();
- sel.type = type;
-
- if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type || sel.mode == SEL_EMPTY)
- tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
-
- sel.mode = done ? SEL_IDLE : SEL_READY;
-}
-
-void
-selnormalize(void)
-{
- int i;
-
- if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
- sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
- sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
- } else {
- sel.nb.x = MIN(sel.ob.x, sel.oe.x);
- sel.ne.x = MAX(sel.ob.x, sel.oe.x);
- }
- sel.nb.y = MIN(sel.ob.y, sel.oe.y);
- sel.ne.y = MAX(sel.ob.y, sel.oe.y);
-
- selsnap(&sel.nb.x, &sel.nb.y, -1);
- selsnap(&sel.ne.x, &sel.ne.y, +1);
-
- /* expand selection over line breaks */
- if (sel.type == SEL_RECTANGULAR)
- return;
- i = tlinelen(sel.nb.y);
- if (i < sel.nb.x)
- sel.nb.x = i;
- if (tlinelen(sel.ne.y) <= sel.ne.x)
- sel.ne.x = term.col - 1;
-}
-
-int
-selected(int x, int y)
-{
- if (sel.mode == SEL_EMPTY || sel.ob.x == -1 ||
- sel.alt != IS_SET(MODE_ALTSCREEN))
- return 0;
-
- if (sel.type == SEL_RECTANGULAR)
- return BETWEEN(y, sel.nb.y, sel.ne.y)
- && BETWEEN(x, sel.nb.x, sel.ne.x);
-
- return BETWEEN(y, sel.nb.y, sel.ne.y)
- && (y != sel.nb.y || x >= sel.nb.x)
- && (y != sel.ne.y || x <= sel.ne.x);
-}
-
-void
-selsnap(int *x, int *y, int direction)
-{
- int newx, newy, xt, yt;
- int delim, prevdelim;
- const Glyph *gp, *prevgp;
-
- switch (sel.snap) {
- case SNAP_WORD:
- /*
- * Snap around if the word wraps around at the end or
- * beginning of a line.
- */
- prevgp = &TLINE(*y)[*x];
- prevdelim = ISDELIM(prevgp->u);
- for (;;) {
- newx = *x + direction;
- newy = *y;
- if (!BETWEEN(newx, 0, term.col - 1)) {
- newy += direction;
- newx = (newx + term.col) % term.col;
- if (!BETWEEN(newy, 0, term.row - 1))
- break;
-
- if (direction > 0)
- yt = *y, xt = *x;
- else
- yt = newy, xt = newx;
- if (!(TLINE(yt)[xt].mode & ATTR_WRAP))
- break;
- }
-
- if (newx >= tlinelen(newy))
- break;
-
- gp = &TLINE(newy)[newx];
- delim = ISDELIM(gp->u);
- if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
- || (delim && gp->u != prevgp->u)))
- break;
-
- *x = newx;
- *y = newy;
- prevgp = gp;
- prevdelim = delim;
- }
- break;
- case SNAP_LINE:
- /*
- * Snap around if the the previous line or the current one
- * has set ATTR_WRAP at its end. Then the whole next or
- * previous line will be selected.
- */
- *x = (direction < 0) ? 0 : term.col - 1;
- if (direction < 0) {
- for (; *y > 0; *y += direction) {
- if (!(TLINE(*y-1)[term.col-1].mode
- & ATTR_WRAP)) {
- break;
- }
- }
- } else if (direction > 0) {
- for (; *y < term.row-1; *y += direction) {
- if (!(TLINE(*y)[term.col-1].mode
- & ATTR_WRAP)) {
- break;
- }
- }
- }
- break;
- }
-}
-
-char *
-getsel(void)
-{
- char *str, *ptr;
- int y, bufsize, lastx, linelen;
- const Glyph *gp, *last;
-
- if (sel.ob.x == -1)
- return NULL;
-
- bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
- ptr = str = xmalloc(bufsize);
-
- /* append every set & selected glyph to the selection */
- for (y = sel.nb.y; y <= sel.ne.y; y++) {
- if ((linelen = tlinelen(y)) == 0) {
- *ptr++ = '\n';
- continue;
- }
-
- if (sel.type == SEL_RECTANGULAR) {
- gp = &TLINE(y)[sel.nb.x];
- lastx = sel.ne.x;
- } else {
- gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
- lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
- }
- last = &TLINE(y)[MIN(lastx, linelen-1)];
- while (last >= gp && last->u == ' ')
- --last;
-
- for ( ; gp <= last; ++gp) {
- if (gp->mode & ATTR_WDUMMY)
- continue;
-
- ptr += utf8encode(gp->u, ptr);
- }
-
- /*
- * Copy and pasting of line endings is inconsistent
- * in the inconsistent terminal and GUI world.
- * The best solution seems like to produce '\n' when
- * something is copied from st and convert '\n' to
- * '\r', when something to be pasted is received by
- * st.
- * FIXME: Fix the computer world.
- */
- if ((y < sel.ne.y || lastx >= linelen) &&
- (!(last->mode & ATTR_WRAP) || sel.type == SEL_RECTANGULAR))
- *ptr++ = '\n';
- }
- *ptr = 0;
- return str;
-}
-
-void
-selclear(void)
-{
- if (sel.ob.x == -1)
- return;
- sel.mode = SEL_IDLE;
- sel.ob.x = -1;
- tsetdirt(sel.nb.y, sel.ne.y);
-}
-
-void
-die(const char *errstr, ...)
-{
- va_list ap;
-
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
- va_end(ap);
- exit(1);
-}
-
-void
-execsh(char *cmd, char **args)
-{
- char *sh, *prog, *arg;
- const struct passwd *pw;
-
- errno = 0;
- if ((pw = getpwuid(getuid())) == NULL) {
- if (errno)
- die("getpwuid: %s\n", strerror(errno));
- else
- die("who are you?\n");
- }
-
- if ((sh = getenv("SHELL")) == NULL)
- sh = (pw->pw_shell[0]) ? pw->pw_shell : cmd;
-
- if (args) {
- prog = args[0];
- arg = NULL;
- } else if (scroll) {
- prog = scroll;
- arg = utmp ? utmp : sh;
- } else if (utmp) {
- prog = utmp;
- arg = NULL;
- } else {
- prog = sh;
- arg = NULL;
- }
- DEFAULT(args, ((char *[]) {prog, arg, NULL}));
-
- unsetenv("COLUMNS");
- unsetenv("LINES");
- unsetenv("TERMCAP");
- setenv("LOGNAME", pw->pw_name, 1);
- setenv("USER", pw->pw_name, 1);
- setenv("SHELL", sh, 1);
- setenv("HOME", pw->pw_dir, 1);
- setenv("TERM", termname, 1);
-
- signal(SIGCHLD, SIG_DFL);
- signal(SIGHUP, SIG_DFL);
- signal(SIGINT, SIG_DFL);
- signal(SIGQUIT, SIG_DFL);
- signal(SIGTERM, SIG_DFL);
- signal(SIGALRM, SIG_DFL);
-
- execvp(prog, args);
- _exit(1);
-}
-
-void
-sigchld(int a)
-{
- int stat;
- pid_t p;
-
- if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
- die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
-
- if (pid != p) {
- if (p == 0 && wait(&stat) < 0)
- die("wait: %s\n", strerror(errno));
-
- /* reinstall sigchld handler */
- signal(SIGCHLD, sigchld);
- return;
- }
-
- if (WIFEXITED(stat) && WEXITSTATUS(stat))
- die("child exited with status %d\n", WEXITSTATUS(stat));
- else if (WIFSIGNALED(stat))
- die("child terminated due to signal %d\n", WTERMSIG(stat));
- _exit(0);
-}
-
-void
-stty(char **args)
-{
- char cmd[_POSIX_ARG_MAX], **p, *q, *s;
- size_t n, siz;
-
- if ((n = strlen(stty_args)) > sizeof(cmd)-1)
- die("incorrect stty parameters\n");
- memcpy(cmd, stty_args, n);
- q = cmd + n;
- siz = sizeof(cmd) - n;
- for (p = args; p && (s = *p); ++p) {
- if ((n = strlen(s)) > siz-1)
- die("stty parameter length too long\n");
- *q++ = ' ';
- memcpy(q, s, n);
- q += n;
- siz -= n + 1;
- }
- *q = '\0';
- if (system(cmd) != 0)
- perror("Couldn't call stty");
-}
-
-int
-ttynew(const char *line, char *cmd, const char *out, char **args)
-{
- int m, s;
-
- if (out) {
- term.mode |= MODE_PRINT;
- iofd = (!strcmp(out, "-")) ?
- 1 : open(out, O_WRONLY | O_CREAT, 0666);
- if (iofd < 0) {
- fprintf(stderr, "Error opening %s:%s\n",
- out, strerror(errno));
- }
- }
-
- if (line) {
- if ((cmdfd = open(line, O_RDWR)) < 0)
- die("open line '%s' failed: %s\n",
- line, strerror(errno));
- dup2(cmdfd, 0);
- stty(args);
- return cmdfd;
- }
-
- /* seems to work fine on linux, openbsd and freebsd */
- if (openpty(&m, &s, NULL, NULL, NULL) < 0)
- die("openpty failed: %s\n", strerror(errno));
-
- switch (pid = fork()) {
- case -1:
- die("fork failed: %s\n", strerror(errno));
- break;
- case 0:
- close(iofd);
- close(m);
- setsid(); /* create a new process group */
- dup2(s, 0);
- dup2(s, 1);
- dup2(s, 2);
- if (ioctl(s, TIOCSCTTY, NULL) < 0)
- die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
- if (s > 2)
- close(s);
+ *dst++ = (a << 2) | ((b & 0x30) >> 4);
+ if (c == -1)
+ break;
+ *dst++ = ((b & 0x0f) << 4) | ((c & 0x3c) >> 2);
+ if (d == -1)
+ break;
+ *dst++ = ((c & 0x03) << 6) | d;
+ }
+ *dst = '\0';
+ return result;
+}
+
+void selinit(void) {
+ sel.mode = SEL_IDLE;
+ sel.snap = 0;
+ sel.ob.x = -1;
+}
+
+int tlinelen(int y) {
+ int i = term.col;
+ Line line = TLINE(y);
+
+ if (line[i - 1].mode & ATTR_WRAP)
+ return i;
+
+ while (i > 0 && line[i - 1].u == ' ')
+ --i;
+
+ return i;
+}
+
+void selstart(int col, int row, int snap) {
+ selclear();
+ sel.mode = SEL_EMPTY;
+ sel.type = SEL_REGULAR;
+ sel.alt = IS_SET(MODE_ALTSCREEN);
+ sel.snap = snap;
+ sel.oe.x = sel.ob.x = col;
+ sel.oe.y = sel.ob.y = row;
+ selnormalize();
+
+ if (sel.snap != 0)
+ sel.mode = SEL_READY;
+ tsetdirt(sel.nb.y, sel.ne.y);
+}
+
+void selextend(int col, int row, int type, int done) {
+ int oldey, oldex, oldsby, oldsey, oldtype;
+
+ if (sel.mode == SEL_IDLE)
+ return;
+ if (done && sel.mode == SEL_EMPTY) {
+ selclear();
+ return;
+ }
+
+ oldey = sel.oe.y;
+ oldex = sel.oe.x;
+ oldsby = sel.nb.y;
+ oldsey = sel.ne.y;
+ oldtype = sel.type;
+
+ sel.oe.x = col;
+ sel.oe.y = row;
+ selnormalize();
+ sel.type = type;
+
+ if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type ||
+ sel.mode == SEL_EMPTY)
+ tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
+
+ sel.mode = done ? SEL_IDLE : SEL_READY;
+}
+
+void selnormalize(void) {
+ int i;
+
+ if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
+ sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
+ sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
+ } else {
+ sel.nb.x = MIN(sel.ob.x, sel.oe.x);
+ sel.ne.x = MAX(sel.ob.x, sel.oe.x);
+ }
+ sel.nb.y = MIN(sel.ob.y, sel.oe.y);
+ sel.ne.y = MAX(sel.ob.y, sel.oe.y);
+
+ selsnap(&sel.nb.x, &sel.nb.y, -1);
+ selsnap(&sel.ne.x, &sel.ne.y, +1);
+
+ /* expand selection over line breaks */
+ if (sel.type == SEL_RECTANGULAR)
+ return;
+ i = tlinelen(sel.nb.y);
+ if (i < sel.nb.x)
+ sel.nb.x = i;
+ if (tlinelen(sel.ne.y) <= sel.ne.x)
+ sel.ne.x = term.col - 1;
+}
+
+int selected(int x, int y) {
+ if (sel.mode == SEL_EMPTY || sel.ob.x == -1 ||
+ sel.alt != IS_SET(MODE_ALTSCREEN))
+ return 0;
+
+ if (sel.type == SEL_RECTANGULAR)
+ return BETWEEN(y, sel.nb.y, sel.ne.y) && BETWEEN(x, sel.nb.x, sel.ne.x);
+
+ return BETWEEN(y, sel.nb.y, sel.ne.y) && (y != sel.nb.y || x >= sel.nb.x) &&
+ (y != sel.ne.y || x <= sel.ne.x);
+}
+
+void selsnap(int *x, int *y, int direction) {
+ int newx, newy, xt, yt;
+ int delim, prevdelim;
+ const Glyph *gp, *prevgp;
+
+ switch (sel.snap) {
+ case SNAP_WORD:
+ /*
+ * Snap around if the word wraps around at the end or
+ * beginning of a line.
+ */
+ prevgp = &TLINE(*y)[*x];
+ prevdelim = ISDELIM(prevgp->u);
+ for (;;) {
+ newx = *x + direction;
+ newy = *y;
+ if (!BETWEEN(newx, 0, term.col - 1)) {
+ newy += direction;
+ newx = (newx + term.col) % term.col;
+ if (!BETWEEN(newy, 0, term.row - 1))
+ break;
+
+ if (direction > 0)
+ yt = *y, xt = *x;
+ else
+ yt = newy, xt = newx;
+ if (!(TLINE(yt)[xt].mode & ATTR_WRAP))
+ break;
+ }
+
+ if (newx >= tlinelen(newy))
+ break;
+
+ gp = &TLINE(newy)[newx];
+ delim = ISDELIM(gp->u);
+ if (!(gp->mode & ATTR_WDUMMY) &&
+ (delim != prevdelim || (delim && gp->u != prevgp->u)))
+ break;
+
+ *x = newx;
+ *y = newy;
+ prevgp = gp;
+ prevdelim = delim;
+ }
+ break;
+ case SNAP_LINE:
+ /*
+ * Snap around if the the previous line or the current one
+ * has set ATTR_WRAP at its end. Then the whole next or
+ * previous line will be selected.
+ */
+ *x = (direction < 0) ? 0 : term.col - 1;
+ if (direction < 0) {
+ for (; *y > 0; *y += direction) {
+ if (!(TLINE(*y - 1)[term.col - 1].mode & ATTR_WRAP)) {
+ break;
+ }
+ }
+ } else if (direction > 0) {
+ for (; *y < term.row - 1; *y += direction) {
+ if (!(TLINE(*y)[term.col - 1].mode & ATTR_WRAP)) {
+ break;
+ }
+ }
+ }
+ break;
+ }
+}
+
+char *getsel(void) {
+ char *str, *ptr;
+ int y, bufsize, lastx, linelen;
+ const Glyph *gp, *last;
+
+ if (sel.ob.x == -1)
+ return NULL;
+
+ bufsize = (term.col + 1) * (sel.ne.y - sel.nb.y + 1) * UTF_SIZ;
+ ptr = str = xmalloc(bufsize);
+
+ /* append every set & selected glyph to the selection */
+ for (y = sel.nb.y; y <= sel.ne.y; y++) {
+ if ((linelen = tlinelen(y)) == 0) {
+ *ptr++ = '\n';
+ continue;
+ }
+
+ if (sel.type == SEL_RECTANGULAR) {
+ gp = &TLINE(y)[sel.nb.x];
+ lastx = sel.ne.x;
+ } else {
+ gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
+ lastx = (sel.ne.y == y) ? sel.ne.x : term.col - 1;
+ }
+ last = &TLINE(y)[MIN(lastx, linelen - 1)];
+ while (last >= gp && last->u == ' ')
+ --last;
+
+ for (; gp <= last; ++gp) {
+ if (gp->mode & ATTR_WDUMMY)
+ continue;
+
+ ptr += utf8encode(gp->u, ptr);
+ }
+
+ /*
+ * Copy and pasting of line endings is inconsistent
+ * in the inconsistent terminal and GUI world.
+ * The best solution seems like to produce '\n' when
+ * something is copied from st and convert '\n' to
+ * '\r', when something to be pasted is received by
+ * st.
+ * FIXME: Fix the computer world.
+ */
+ if ((y < sel.ne.y || lastx >= linelen) &&
+ (!(last->mode & ATTR_WRAP) || sel.type == SEL_RECTANGULAR))
+ *ptr++ = '\n';
+ }
+ *ptr = 0;
+ return str;
+}
+
+void selclear(void) {
+ if (sel.ob.x == -1)
+ return;
+ sel.mode = SEL_IDLE;
+ sel.ob.x = -1;
+ tsetdirt(sel.nb.y, sel.ne.y);
+}
+
+void die(const char *errstr, ...) {
+ va_list ap;
+
+ va_start(ap, errstr);
+ vfprintf(stderr, errstr, ap);
+ va_end(ap);
+ exit(1);
+}
+
+void execsh(char *cmd, char **args) {
+ char *sh, *prog, *arg;
+ const struct passwd *pw;
+
+ errno = 0;
+ if ((pw = getpwuid(getuid())) == NULL) {
+ if (errno)
+ die("getpwuid: %s\n", strerror(errno));
+ else
+ die("who are you?\n");
+ }
+
+ if ((sh = getenv("SHELL")) == NULL)
+ sh = (pw->pw_shell[0]) ? pw->pw_shell : cmd;
+
+ if (args) {
+ prog = args[0];
+ arg = NULL;
+ } else if (scroll) {
+ prog = scroll;
+ arg = utmp ? utmp : sh;
+ } else if (utmp) {
+ prog = utmp;
+ arg = NULL;
+ } else {
+ prog = sh;
+ arg = NULL;
+ }
+ DEFAULT(args, ((char *[]){prog, arg, NULL}));
+
+ unsetenv("COLUMNS");
+ unsetenv("LINES");
+ unsetenv("TERMCAP");
+ setenv("LOGNAME", pw->pw_name, 1);
+ setenv("USER", pw->pw_name, 1);
+ setenv("SHELL", sh, 1);
+ setenv("HOME", pw->pw_dir, 1);
+ setenv("TERM", termname, 1);
+
+ signal(SIGCHLD, SIG_DFL);
+ signal(SIGHUP, SIG_DFL);
+ signal(SIGINT, SIG_DFL);
+ signal(SIGQUIT, SIG_DFL);
+ signal(SIGTERM, SIG_DFL);
+ signal(SIGALRM, SIG_DFL);
+
+ execvp(prog, args);
+ _exit(1);
+}
+
+void sigchld(int a) {
+ int stat;
+ pid_t p;
+
+ if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
+ die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
+
+ if (pid != p) {
+ if (p == 0 && wait(&stat) < 0)
+ die("wait: %s\n", strerror(errno));
+
+ /* reinstall sigchld handler */
+ signal(SIGCHLD, sigchld);
+ return;
+ }
+
+ if (WIFEXITED(stat) && WEXITSTATUS(stat))
+ die("child exited with status %d\n", WEXITSTATUS(stat));
+ else if (WIFSIGNALED(stat))
+ die("child terminated due to signal %d\n", WTERMSIG(stat));
+ _exit(0);
+}
+
+void stty(char **args) {
+ char cmd[_POSIX_ARG_MAX], **p, *q, *s;
+ size_t n, siz;
+
+ if ((n = strlen(stty_args)) > sizeof(cmd) - 1)
+ die("incorrect stty parameters\n");
+ memcpy(cmd, stty_args, n);
+ q = cmd + n;
+ siz = sizeof(cmd) - n;
+ for (p = args; p && (s = *p); ++p) {
+ if ((n = strlen(s)) > siz - 1)
+ die("stty parameter length too long\n");
+ *q++ = ' ';
+ memcpy(q, s, n);
+ q += n;
+ siz -= n + 1;
+ }
+ *q = '\0';
+ if (system(cmd) != 0)
+ perror("Couldn't call stty");
+}
+
+int ttynew(const char *line, char *cmd, const char *out, char **args) {
+ int m, s;
+
+ if (out) {
+ term.mode |= MODE_PRINT;
+ iofd = (!strcmp(out, "-")) ? 1 : open(out, O_WRONLY | O_CREAT, 0666);
+ if (iofd < 0) {
+ fprintf(stderr, "Error opening %s:%s\n", out, strerror(errno));
+ }
+ }
+
+ if (line) {
+ if ((cmdfd = open(line, O_RDWR)) < 0)
+ die("open line '%s' failed: %s\n", line, strerror(errno));
+ dup2(cmdfd, 0);
+ stty(args);
+ return cmdfd;
+ }
+
+ /* seems to work fine on linux, openbsd and freebsd */
+ if (openpty(&m, &s, NULL, NULL, NULL) < 0)
+ die("openpty failed: %s\n", strerror(errno));
+
+ switch (pid = fork()) {
+ case -1:
+ die("fork failed: %s\n", strerror(errno));
+ break;
+ case 0:
+ close(iofd);
+ close(m);
+ setsid(); /* create a new process group */
+ dup2(s, 0);
+ dup2(s, 1);
+ dup2(s, 2);
+ if (ioctl(s, TIOCSCTTY, NULL) < 0)
+ die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
+ if (s > 2)
+ close(s);
#ifdef __OpenBSD__
- if (pledge("stdio getpw proc exec", NULL) == -1)
- die("pledge\n");
+ if (pledge("stdio getpw proc exec", NULL) == -1)
+ die("pledge\n");
#endif
- execsh(cmd, args);
- break;
- default:
+ execsh(cmd, args);
+ break;
+ default:
#ifdef __OpenBSD__
- if (pledge("stdio rpath tty proc exec", NULL) == -1)
- die("pledge\n");
+ if (pledge("stdio rpath tty proc exec", NULL) == -1)
+ die("pledge\n");
#endif
- close(s);
- cmdfd = m;
- signal(SIGCHLD, sigchld);
- break;
- }
- return cmdfd;
-}
-
-size_t
-ttyread(void)
-{
- static char buf[BUFSIZ];
- static int buflen = 0;
- int ret, written;
-
- /* append read bytes to unprocessed bytes */
- ret = read(cmdfd, buf+buflen, LEN(buf)-buflen);
-
- switch (ret) {
- case 0:
- exit(0);
- case -1:
- die("couldn't read from shell: %s\n", strerror(errno));
- default:
- buflen += ret;
- written = twrite(buf, buflen, 0);
- buflen -= written;
- /* keep any incomplete UTF-8 byte sequence for the next call */
- if (buflen > 0)
- memmove(buf, buf + written, buflen);
- return ret;
- }
-}
-
-void
-ttywrite(const char *s, size_t n, int may_echo)
-{
- const char *next;
-
- if (may_echo && IS_SET(MODE_ECHO))
- twrite(s, n, 1);
-
- if (!IS_SET(MODE_CRLF)) {
- ttywriteraw(s, n);
- return;
- }
-
- /* This is similar to how the kernel handles ONLCR for ttys */
- while (n > 0) {
- if (*s == '\r') {
- next = s + 1;
- ttywriteraw("\r\n", 2);
- } else {
- next = memchr(s, '\r', n);
- DEFAULT(next, s + n);
- ttywriteraw(s, next - s);
- }
- n -= next - s;
- s = next;
- }
-}
-
-void
-ttywriteraw(const char *s, size_t n)
-{
- fd_set wfd, rfd;
- ssize_t r;
- size_t lim = 256;
-
- /*
- * Remember that we are using a pty, which might be a modem line.
- * Writing too much will clog the line. That's why we are doing this
- * dance.
- * FIXME: Migrate the world to Plan 9.
- */
- while (n > 0) {
- FD_ZERO(&wfd);
- FD_ZERO(&rfd);
- FD_SET(cmdfd, &wfd);
- FD_SET(cmdfd, &rfd);
-
- /* Check if we can write. */
- if (pselect(cmdfd+1, &rfd, &wfd, NULL, NULL, NULL) < 0) {
- if (errno == EINTR)
- continue;
- die("select failed: %s\n", strerror(errno));
- }
- if (FD_ISSET(cmdfd, &wfd)) {
- /*
- * Only write the bytes written by ttywrite() or the
- * default of 256. This seems to be a reasonable value
- * for a serial line. Bigger values might clog the I/O.
- */
- if ((r = write(cmdfd, s, (n < lim)? n : lim)) < 0)
- goto write_error;
- if (r < n) {
- /*
- * We weren't able to write out everything.
- * This means the buffer is getting full
- * again. Empty it.
- */
- if (n < lim)
- lim = ttyread();
- n -= r;
- s += r;
- } else {
- /* All bytes have been written. */
- break;
- }
- }
- if (FD_ISSET(cmdfd, &rfd))
- lim = ttyread();
- }
- return;
+ close(s);
+ cmdfd = m;
+ signal(SIGCHLD, sigchld);
+ break;
+ }
+ return cmdfd;
+}
+
+size_t ttyread(void) {
+ static char buf[BUFSIZ];
+ static int buflen = 0;
+ int ret, written;
+
+ /* append read bytes to unprocessed bytes */
+ ret = read(cmdfd, buf + buflen, LEN(buf) - buflen);
+
+ switch (ret) {
+ case 0:
+ exit(0);
+ case -1:
+ die("couldn't read from shell: %s\n", strerror(errno));
+ default:
+ buflen += ret;
+ written = twrite(buf, buflen, 0);
+ buflen -= written;
+ /* keep any incomplete UTF-8 byte sequence for the next call */
+ if (buflen > 0)
+ memmove(buf, buf + written, buflen);
+ return ret;
+ }
+}
+
+void ttywrite(const char *s, size_t n, int may_echo) {
+ const char *next;
+
+ if (may_echo && IS_SET(MODE_ECHO))
+ twrite(s, n, 1);
+
+ if (!IS_SET(MODE_CRLF)) {
+ ttywriteraw(s, n);
+ return;
+ }
+
+ /* This is similar to how the kernel handles ONLCR for ttys */
+ while (n > 0) {
+ if (*s == '\r') {
+ next = s + 1;
+ ttywriteraw("\r\n", 2);
+ } else {
+ next = memchr(s, '\r', n);
+ DEFAULT(next, s + n);
+ ttywriteraw(s, next - s);
+ }
+ n -= next - s;
+ s = next;
+ }
+}
+
+void ttywriteraw(const char *s, size_t n) {
+ fd_set wfd, rfd;
+ ssize_t r;
+ size_t lim = 256;
+
+ /*
+ * Remember that we are using a pty, which might be a modem line.
+ * Writing too much will clog the line. That's why we are doing this
+ * dance.
+ * FIXME: Migrate the world to Plan 9.
+ */
+ while (n > 0) {
+ FD_ZERO(&wfd);
+ FD_ZERO(&rfd);
+ FD_SET(cmdfd, &wfd);
+ FD_SET(cmdfd, &rfd);
+
+ /* Check if we can write. */
+ if (pselect(cmdfd + 1, &rfd, &wfd, NULL, NULL, NULL) < 0) {
+ if (errno == EINTR)
+ continue;
+ die("select failed: %s\n", strerror(errno));
+ }
+ if (FD_ISSET(cmdfd, &wfd)) {
+ /*
+ * Only write the bytes written by ttywrite() or the
+ * default of 256. This seems to be a reasonable value
+ * for a serial line. Bigger values might clog the I/O.
+ */
+ if ((r = write(cmdfd, s, (n < lim) ? n : lim)) < 0)
+ goto write_error;
+ if (r < n) {
+ /*
+ * We weren't able to write out everything.
+ * This means the buffer is getting full
+ * again. Empty it.
+ */
+ if (n < lim)
+ lim = ttyread();
+ n -= r;
+ s += r;
+ } else {
+ /* All bytes have been written. */
+ break;
+ }
+ }
+ if (FD_ISSET(cmdfd, &rfd))
+ lim = ttyread();
+ }
+ return;
write_error:
- die("write error on tty: %s\n", strerror(errno));
-}
-
-void
-ttyresize(int tw, int th)
-{
- struct winsize w;
-
- w.ws_row = term.row;
- w.ws_col = term.col;
- w.ws_xpixel = tw;
- w.ws_ypixel = th;
- if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
- fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
-}
-
-void
-ttyhangup(void)
-{
- /* Send SIGHUP to shell */
- kill(pid, SIGHUP);
-}
-
-int
-tattrset(int attr)
-{
- int i, j;
- int y = TLINEOFFSET(0);
-
- for (i = 0; i < term.row-1; i++) {
- Line line = TSCREEN.buffer[y];
- for (j = 0; j < term.col-1; j++) {
- if (line[j].mode & attr)
- return 1;
- }
- y = (y+1) % TSCREEN.size;
- }
-
- return 0;
-}
-
-void
-tsetdirt(int top, int bot)
-{
- int i;
-
- LIMIT(top, 0, term.row-1);
- LIMIT(bot, 0, term.row-1);
-
- for (i = top; i <= bot; i++)
- term.dirty[i] = 1;
-}
-
-void
-tsetdirtattr(int attr)
-{
- int i, j;
- int y = TLINEOFFSET(0);
-
- for (i = 0; i < term.row-1; i++) {
- Line line = TSCREEN.buffer[y];
- for (j = 0; j < term.col-1; j++) {
- if (line[j].mode & attr) {
- tsetdirt(i, i);
- break;
- }
- }
- y = (y+1) % TSCREEN.size;
- }
-}
-
-void
-tfulldirt(void)
-{
- tsetdirt(0, term.row-1);
-}
-
-void
-tcursor(int mode)
-{
- if (mode == CURSOR_SAVE) {
- TSCREEN.sc = term.c;
- } else if (mode == CURSOR_LOAD) {
- term.c = TSCREEN.sc;
- tmoveto(term.c.x, term.c.y);
- }
-}
-
-void
-treset(void)
-{
- int i, j;
- Glyph g = (Glyph){ .fg = defaultfg, .bg = defaultbg};
-
- memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- for (i = tabspaces; i < term.col; i += tabspaces)
- term.tabs[i] = 1;
- term.top = 0;
- term.bot = term.row - 1;
- term.mode = MODE_WRAP|MODE_UTF8;
- memset(term.trantbl, CS_USA, sizeof(term.trantbl));
- term.charset = 0;
-
- for (i = 0; i < 2; i++) {
- term.screen[i].sc = (TCursor){{
- .fg = defaultfg,
- .bg = defaultbg
- }};
- term.screen[i].cur = 0;
- term.screen[i].off = 0;
- for (j = 0; j < term.row; ++j) {
- if (term.col != term.linelen)
- term.screen[i].buffer[j] = xrealloc(term.screen[i].buffer[j], term.col * sizeof(Glyph));
- clearline(term.screen[i].buffer[j], g, 0, term.col);
- }
- for (j = term.row; j < term.screen[i].size; ++j) {
- free(term.screen[i].buffer[j]);
- term.screen[i].buffer[j] = NULL;
- }
- }
- tcursor(CURSOR_LOAD);
- term.linelen = term.col;
- tfulldirt();
-}
-
-void
-tnew(int col, int row)
-{
- int i;
- term = (Term){};
- term.screen[0].buffer = xmalloc(HISTSIZE * sizeof(Line));
- term.screen[0].size = HISTSIZE;
- term.screen[1].buffer = NULL;
- for (i = 0; i < HISTSIZE; ++i) term.screen[0].buffer[i] = NULL;
-
- tresize(col, row);
- treset();
-}
-
-void
-tswapscreen(void)
-{
- term.mode ^= MODE_ALTSCREEN;
- tfulldirt();
-}
-
-void
-kscrollup(const Arg *a)
-{
- float n = a->f;
-
- if (IS_SET(MODE_ALTSCREEN))
- return;
-
- if (n < 0) n = MAX((-n) * term.row, 1);
- if (n > TSCREEN.size - term.row - TSCREEN.off) n = TSCREEN.size - term.row - TSCREEN.off;
- while (!TLINE((int)-n)) --n;
- TSCREEN.off += n;
- selscroll(0, n);
- tfulldirt();
-}
-
-void
-kscrolldown(const Arg *a)
-{
-
- float n = a->f;
-
- if (IS_SET(MODE_ALTSCREEN))
- return;
-
- if (n < 0) n = MAX((-n) * term.row, 1);
- if (n > TSCREEN.off) n = TSCREEN.off;
- TSCREEN.off -= n;
- selscroll(0, -n);
- tfulldirt();
-}
-
-void
-tscrolldown(int orig, int n)
-{
- int i;
- Line temp;
-
- LIMIT(n, 0, term.bot-orig+1);
-
- /* Ensure that lines are allocated */
- for (i = -n; i < 0; i++) {
- TLINE(i) = ensureline(TLINE(i));
- }
-
- /* Shift non-scrolling areas in ring buffer */
- for (i = term.bot+1; i < term.row; i++) {
- temp = TLINE(i);
- TLINE(i) = TLINE(i-n);
- TLINE(i-n) = temp;
- }
- for (i = 0; i < orig; i++) {
- temp = TLINE(i);
- TLINE(i) = TLINE(i-n);
- TLINE(i-n) = temp;
- }
-
- /* Scroll buffer */
- TSCREEN.cur = (TSCREEN.cur + TSCREEN.size - n) % TSCREEN.size;
- /* Clear lines that have entered the view */
- tclearregion(0, orig, term.linelen-1, orig+n-1);
- /* Redraw portion of the screen that has scrolled */
- tsetdirt(orig+n-1, term.bot);
- selscroll(orig, n);
-}
-
-void
-tscrollup(int orig, int n)
-{
- int i;
- Line temp;
-
- LIMIT(n, 0, term.bot-orig+1);
-
- /* Ensure that lines are allocated */
- for (i = term.row; i < term.row + n; i++) {
- TLINE(i) = ensureline(TLINE(i));
- }
-
- /* Shift non-scrolling areas in ring buffer */
- for (i = orig-1; i >= 0; i--) {
- temp = TLINE(i);
- TLINE(i) = TLINE(i+n);
- TLINE(i+n) = temp;
- }
- for (i = term.row-1; i >term.bot; i--) {
- temp = TLINE(i);
- TLINE(i) = TLINE(i+n);
- TLINE(i+n) = temp;
- }
-
- /* Scroll buffer */
- TSCREEN.cur = (TSCREEN.cur + n) % TSCREEN.size;
- /* Clear lines that have entered the view */
- tclearregion(0, term.bot-n+1, term.linelen-1, term.bot);
- /* Redraw portion of the screen that has scrolled */
- tsetdirt(orig, term.bot-n+1);
- selscroll(orig, -n);
-}
-
-void
-selscroll(int orig, int n)
-{
- if (sel.ob.x == -1 || sel.alt != IS_SET(MODE_ALTSCREEN))
- return;
-
- if (BETWEEN(sel.nb.y, orig, term.bot) != BETWEEN(sel.ne.y, orig, term.bot)) {
- selclear();
- } else if (BETWEEN(sel.nb.y, orig, term.bot)) {
- sel.ob.y += n;
- sel.oe.y += n;
- if (sel.ob.y < term.top || sel.ob.y > term.bot ||
- sel.oe.y < term.top || sel.oe.y > term.bot) {
- selclear();
- } else {
- selnormalize();
- }
- }
-}
-
-void
-tnewline(int first_col)
-{
- int y = term.c.y;
-
- if (y == term.bot) {
- tscrollup(term.top, 1);
- } else {
- y++;
- }
- tmoveto(first_col ? 0 : term.c.x, y);
-}
-
-void
-readcolonargs(char **p, int cursor, int params[][CAR_PER_ARG])
-{
- int i = 0;
- for (; i < CAR_PER_ARG; i++)
- params[cursor][i] = -1;
-
- if (**p != ':')
- return;
-
- char *np = NULL;
- i = 0;
-
- while (**p == ':' && i < CAR_PER_ARG) {
- while (**p == ':')
- (*p)++;
- params[cursor][i] = strtol(*p, &np, 10);
- *p = np;
- i++;
- }
-}
-
-void
-csiparse(void)
-{
- char *p = csiescseq.buf, *np;
- long int v;
- int sep = ';'; /* colon or semi-colon, but not both */
-
- csiescseq.narg = 0;
- if (*p == '?') {
- csiescseq.priv = 1;
- p++;
- }
-
- csiescseq.buf[csiescseq.len] = '\0';
- while (p < csiescseq.buf+csiescseq.len) {
- np = NULL;
- v = strtol(p, &np, 10);
- if (np == p)
- v = 0;
- if (v == LONG_MAX || v == LONG_MIN)
- v = -1;
- csiescseq.arg[csiescseq.narg++] = v;
- p = np;
- readcolonargs(&p, csiescseq.narg-1, csiescseq.carg);
- if (sep == ';' && *p == ':')
- sep = ':'; /* allow override to colon once */
- if (*p != sep || csiescseq.narg == ESC_ARG_SIZ)
- break;
- p++;
- }
- csiescseq.mode[0] = *p++;
- csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0';
+ die("write error on tty: %s\n", strerror(errno));
+}
+
+void ttyresize(int tw, int th) {
+ struct winsize w;
+
+ w.ws_row = term.row;
+ w.ws_col = term.col;
+ w.ws_xpixel = tw;
+ w.ws_ypixel = th;
+ if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
+ fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
+}
+
+void ttyhangup(void) {
+ /* Send SIGHUP to shell */
+ kill(pid, SIGHUP);
+}
+
+int tattrset(int attr) {
+ int i, j;
+ int y = TLINEOFFSET(0);
+
+ for (i = 0; i < term.row - 1; i++) {
+ Line line = TSCREEN.buffer[y];
+ for (j = 0; j < term.col - 1; j++) {
+ if (line[j].mode & attr)
+ return 1;
+ }
+ y = (y + 1) % TSCREEN.size;
+ }
+
+ return 0;
+}
+
+void tsetdirt(int top, int bot) {
+ int i;
+
+ LIMIT(top, 0, term.row - 1);
+ LIMIT(bot, 0, term.row - 1);
+
+ for (i = top; i <= bot; i++)
+ term.dirty[i] = 1;
+}
+
+void tsetdirtattr(int attr) {
+ int i, j;
+ int y = TLINEOFFSET(0);
+
+ for (i = 0; i < term.row - 1; i++) {
+ Line line = TSCREEN.buffer[y];
+ for (j = 0; j < term.col - 1; j++) {
+ if (line[j].mode & attr) {
+ tsetdirt(i, i);
+ break;
+ }
+ }
+ y = (y + 1) % TSCREEN.size;
+ }
+}
+
+void tfulldirt(void) { tsetdirt(0, term.row - 1); }
+
+void tcursor(int mode) {
+ if (mode == CURSOR_SAVE) {
+ TSCREEN.sc = term.c;
+ } else if (mode == CURSOR_LOAD) {
+ term.c = TSCREEN.sc;
+ tmoveto(term.c.x, term.c.y);
+ }
+}
+
+void treset(void) {
+ int i, j;
+ Glyph g = (Glyph){.fg = defaultfg, .bg = defaultbg};
+
+ memset(term.tabs, 0, term.col * sizeof(*term.tabs));
+ for (i = tabspaces; i < term.col; i += tabspaces)
+ term.tabs[i] = 1;
+ term.top = 0;
+ term.bot = term.row - 1;
+ term.mode = MODE_WRAP | MODE_UTF8;
+ memset(term.trantbl, CS_USA, sizeof(term.trantbl));
+ term.charset = 0;
+
+ for (i = 0; i < 2; i++) {
+ term.screen[i].sc = (TCursor){{.fg = defaultfg, .bg = defaultbg}};
+ term.screen[i].cur = 0;
+ term.screen[i].off = 0;
+ for (j = 0; j < term.row; ++j) {
+ if (term.col != term.linelen)
+ term.screen[i].buffer[j] =
+ xrealloc(term.screen[i].buffer[j], term.col * sizeof(Glyph));
+ clearline(term.screen[i].buffer[j], g, 0, term.col);
+ }
+ for (j = term.row; j < term.screen[i].size; ++j) {
+ free(term.screen[i].buffer[j]);
+ term.screen[i].buffer[j] = NULL;
+ }
+ }
+ tcursor(CURSOR_LOAD);
+ term.linelen = term.col;
+ tfulldirt();
+}
+
+void tnew(int col, int row) {
+ int i;
+ term = (Term){};
+ term.screen[0].buffer = xmalloc(HISTSIZE * sizeof(Line));
+ term.screen[0].size = HISTSIZE;
+ term.screen[1].buffer = NULL;
+ for (i = 0; i < HISTSIZE; ++i)
+ term.screen[0].buffer[i] = NULL;
+
+ tresize(col, row);
+ treset();
+}
+
+void tswapscreen(void) {
+ term.mode ^= MODE_ALTSCREEN;
+ tfulldirt();
+}
+
+void kscrollup(const Arg *a) {
+ float n = a->f;
+
+ if (IS_SET(MODE_ALTSCREEN))
+ return;
+
+ if (n < 0)
+ n = MAX((-n) * term.row, 1);
+ if (n > TSCREEN.size - term.row - TSCREEN.off)
+ n = TSCREEN.size - term.row - TSCREEN.off;
+ while (!TLINE((int)-n))
+ --n;
+ TSCREEN.off += n;
+ selscroll(0, n);
+ tfulldirt();
+}
+
+void kscrolldown(const Arg *a) {
+
+ float n = a->f;
+
+ if (IS_SET(MODE_ALTSCREEN))
+ return;
+
+ if (n < 0)
+ n = MAX((-n) * term.row, 1);
+ if (n > TSCREEN.off)
+ n = TSCREEN.off;
+ TSCREEN.off -= n;
+ selscroll(0, -n);
+ tfulldirt();
+}
+
+void tscrolldown(int orig, int n) {
+ int i;
+ Line temp;
+
+ LIMIT(n, 0, term.bot - orig + 1);
+
+ /* Ensure that lines are allocated */
+ for (i = -n; i < 0; i++) {
+ TLINE(i) = ensureline(TLINE(i));
+ }
+
+ /* Shift non-scrolling areas in ring buffer */
+ for (i = term.bot + 1; i < term.row; i++) {
+ temp = TLINE(i);
+ TLINE(i) = TLINE(i - n);
+ TLINE(i - n) = temp;
+ }
+ for (i = 0; i < orig; i++) {
+ temp = TLINE(i);
+ TLINE(i) = TLINE(i - n);
+ TLINE(i - n) = temp;
+ }
+
+ /* Scroll buffer */
+ TSCREEN.cur = (TSCREEN.cur + TSCREEN.size - n) % TSCREEN.size;
+ /* Clear lines that have entered the view */
+ tclearregion(0, orig, term.linelen - 1, orig + n - 1);
+ /* Redraw portion of the screen that has scrolled */
+ tsetdirt(orig + n - 1, term.bot);
+ selscroll(orig, n);
+}
+
+void tscrollup(int orig, int n) {
+ int i;
+ Line temp;
+
+ LIMIT(n, 0, term.bot - orig + 1);
+
+ /* Ensure that lines are allocated */
+ for (i = term.row; i < term.row + n; i++) {
+ TLINE(i) = ensureline(TLINE(i));
+ }
+
+ /* Shift non-scrolling areas in ring buffer */
+ for (i = orig - 1; i >= 0; i--) {
+ temp = TLINE(i);
+ TLINE(i) = TLINE(i + n);
+ TLINE(i + n) = temp;
+ }
+ for (i = term.row - 1; i > term.bot; i--) {
+ temp = TLINE(i);
+ TLINE(i) = TLINE(i + n);
+ TLINE(i + n) = temp;
+ }
+
+ /* Scroll buffer */
+ TSCREEN.cur = (TSCREEN.cur + n) % TSCREEN.size;
+ /* Clear lines that have entered the view */
+ tclearregion(0, term.bot - n + 1, term.linelen - 1, term.bot);
+ /* Redraw portion of the screen that has scrolled */
+ tsetdirt(orig, term.bot - n + 1);
+ selscroll(orig, -n);
+}
+
+void selscroll(int orig, int n) {
+ if (sel.ob.x == -1 || sel.alt != IS_SET(MODE_ALTSCREEN))
+ return;
+
+ if (BETWEEN(sel.nb.y, orig, term.bot) != BETWEEN(sel.ne.y, orig, term.bot)) {
+ selclear();
+ } else if (BETWEEN(sel.nb.y, orig, term.bot)) {
+ sel.ob.y += n;
+ sel.oe.y += n;
+ if (sel.ob.y < term.top || sel.ob.y > term.bot || sel.oe.y < term.top ||
+ sel.oe.y > term.bot) {
+ selclear();
+ } else {
+ selnormalize();
+ }
+ }
+}
+
+void tnewline(int first_col) {
+ int y = term.c.y;
+
+ if (y == term.bot) {
+ tscrollup(term.top, 1);
+ } else {
+ y++;
+ }
+ tmoveto(first_col ? 0 : term.c.x, y);
+}
+
+void readcolonargs(char **p, int cursor, int params[][CAR_PER_ARG]) {
+ int i = 0;
+ for (; i < CAR_PER_ARG; i++)
+ params[cursor][i] = -1;
+
+ if (**p != ':')
+ return;
+
+ char *np = NULL;
+ i = 0;
+
+ while (**p == ':' && i < CAR_PER_ARG) {
+ while (**p == ':')
+ (*p)++;
+ params[cursor][i] = strtol(*p, &np, 10);
+ *p = np;
+ i++;
+ }
+}
+
+void csiparse(void) {
+ char *p = csiescseq.buf, *np;
+ long int v;
+ int sep = ';'; /* colon or semi-colon, but not both */
+
+ csiescseq.narg = 0;
+ if (*p == '?') {
+ csiescseq.priv = 1;
+ p++;
+ }
+
+ csiescseq.buf[csiescseq.len] = '\0';
+ while (p < csiescseq.buf + csiescseq.len) {
+ np = NULL;
+ v = strtol(p, &np, 10);
+ if (np == p)
+ v = 0;
+ if (v == LONG_MAX || v == LONG_MIN)
+ v = -1;
+ csiescseq.arg[csiescseq.narg++] = v;
+ p = np;
+ readcolonargs(&p, csiescseq.narg - 1, csiescseq.carg);
+ if (sep == ';' && *p == ':')
+ sep = ':'; /* allow override to colon once */
+ if (*p != sep || csiescseq.narg == ESC_ARG_SIZ)
+ break;
+ p++;
+ }
+ csiescseq.mode[0] = *p++;
+ csiescseq.mode[1] = (p < csiescseq.buf + csiescseq.len) ? *p : '\0';
}
/* for absolute user moves, when decom is set */
-void
-tmoveato(int x, int y)
-{
- tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
-}
-
-void
-tmoveto(int x, int y)
-{
- int miny, maxy;
-
- if (term.c.state & CURSOR_ORIGIN) {
- miny = term.top;
- maxy = term.bot;
- } else {
- miny = 0;
- maxy = term.row - 1;
- }
- term.c.state &= ~CURSOR_WRAPNEXT;
- term.c.x = LIMIT(x, 0, term.col-1);
- term.c.y = LIMIT(y, miny, maxy);
-}
-
-void
-tsetchar(Rune u, const Glyph *attr, int x, int y)
-{
- static const char *vt100_0[62] = { /* 0x41 - 0x7e */
- "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
- 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
- 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
- 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
- "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
- "␤", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
- "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
- "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
- };
- Line line = TLINE(y);
-
- /*
- * The table is proudly stolen from rxvt.
- */
- if (term.trantbl[term.charset] == CS_GRAPHIC0 &&
- BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
- utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
-
- if (line[x].mode & ATTR_WIDE) {
- if (x+1 < term.col) {
- line[x+1].u = ' ';
- line[x+1].mode &= ~ATTR_WDUMMY;
- }
- } else if (line[x].mode & ATTR_WDUMMY) {
- line[x-1].u = ' ';
- line[x-1].mode &= ~ATTR_WIDE;
- }
-
- term.dirty[y] = 1;
- line[x] = *attr;
- line[x].u = u;
-}
-
-void
-tclearregion(int x1, int y1, int x2, int y2)
-{
- int x, y, L, S, temp;
- Glyph *gp;
-
- if (x1 > x2)
- temp = x1, x1 = x2, x2 = temp;
- if (y1 > y2)
- temp = y1, y1 = y2, y2 = temp;
-
- LIMIT(x1, 0, term.linelen-1);
- LIMIT(x2, 0, term.linelen-1);
- LIMIT(y1, 0, term.row-1);
- LIMIT(y2, 0, term.row-1);
-
- L = TLINEOFFSET(y1);
- for (y = y1; y <= y2; y++) {
- term.dirty[y] = 1;
- for (x = x1; x <= x2; x++) {
- gp = &TSCREEN.buffer[L][x];
- if (selected(x, y))
- selclear();
- gp->fg = term.c.attr.fg;
- gp->bg = term.c.attr.bg;
- gp->mode = 0;
- gp->u = ' ';
- }
- L = (L + 1) % TSCREEN.size;
- }
-}
-
-void
-tdeletechar(int n)
-{
- int dst, src, size;
- Glyph *line;
-
- LIMIT(n, 0, term.col - term.c.x);
-
- dst = term.c.x;
- src = term.c.x + n;
- size = term.col - src;
- line = TLINE(term.c.y);
-
- memmove(&line[dst], &line[src], size * sizeof(Glyph));
- tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
-}
-
-void
-tinsertblank(int n)
-{
- int dst, src, size;
- Glyph *line;
-
- LIMIT(n, 0, term.col - term.c.x);
-
- dst = term.c.x + n;
- src = term.c.x;
- size = term.col - dst;
- line = TLINE(term.c.y);
-
- memmove(&line[dst], &line[src], size * sizeof(Glyph));
- tclearregion(src, term.c.y, dst - 1, term.c.y);
-}
-
-void
-tinsertblankline(int n)
-{
- if (BETWEEN(term.c.y, term.top, term.bot))
- tscrolldown(term.c.y, n);
-}
-
-void
-tdeleteline(int n)
-{
- if (BETWEEN(term.c.y, term.top, term.bot))
- tscrollup(term.c.y, n);
-}
-
-int32_t
-tdefcolor(const int *attr, int *npar, int l)
-{
- int32_t idx = -1;
- uint r, g, b;
-
- switch (attr[*npar + 1]) {
- case 2: /* direct color in RGB space */
- if (*npar + 4 >= l) {
- fprintf(stderr,
- "erresc(38): Incorrect number of parameters (%d)\n",
- *npar);
- break;
- }
- r = attr[*npar + 2];
- g = attr[*npar + 3];
- b = attr[*npar + 4];
- *npar += 4;
- if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
- fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n",
- r, g, b);
- else
- idx = TRUECOLOR(r, g, b);
- break;
- case 5: /* indexed color */
- if (*npar + 2 >= l) {
- fprintf(stderr,
- "erresc(38): Incorrect number of parameters (%d)\n",
- *npar);
- break;
- }
- *npar += 2;
- if (!BETWEEN(attr[*npar], 0, 255))
- fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
- else
- idx = attr[*npar];
- break;
- case 0: /* implemented defined (only foreground) */
- case 1: /* transparent */
- case 3: /* direct color in CMY space */
- case 4: /* direct color in CMYK space */
- default:
- fprintf(stderr,
- "erresc(38): gfx attr %d unknown\n", attr[*npar]);
- break;
- }
-
- return idx;
-}
-
-void
-tsetattr(const int *attr, int l)
-{
- int i;
- int32_t idx;
-
- for (i = 0; i < l; i++) {
- switch (attr[i]) {
- case 0:
- term.c.attr.mode &= ~(
- ATTR_BOLD |
- ATTR_FAINT |
- ATTR_ITALIC |
- ATTR_UNDERLINE |
- ATTR_BLINK |
- ATTR_REVERSE |
- ATTR_INVISIBLE |
- ATTR_STRUCK );
- term.c.attr.fg = defaultfg;
- term.c.attr.bg = defaultbg;
- term.c.attr.ustyle = -1;
- term.c.attr.ucolor[0] = -1;
- term.c.attr.ucolor[1] = -1;
- term.c.attr.ucolor[2] = -1;
- break;
- case 1:
- term.c.attr.mode |= ATTR_BOLD;
- break;
- case 2:
- term.c.attr.mode |= ATTR_FAINT;
- break;
- case 3:
- term.c.attr.mode |= ATTR_ITALIC;
- break;
- case 4:
- term.c.attr.ustyle = csiescseq.carg[i][0];
-
- if (term.c.attr.ustyle != 0)
- term.c.attr.mode |= ATTR_UNDERLINE;
- else
- term.c.attr.mode &= ~ATTR_UNDERLINE;
-
- term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
- break;
- case 5: /* slow blink */
- /* FALLTHROUGH */
- case 6: /* rapid blink */
- term.c.attr.mode |= ATTR_BLINK;
- break;
- case 7:
- term.c.attr.mode |= ATTR_REVERSE;
- break;
- case 8:
- term.c.attr.mode |= ATTR_INVISIBLE;
- break;
- case 9:
- term.c.attr.mode |= ATTR_STRUCK;
- break;
- case 22:
- term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
- break;
- case 23:
- term.c.attr.mode &= ~ATTR_ITALIC;
- break;
- case 24:
- term.c.attr.mode &= ~ATTR_UNDERLINE;
- break;
- case 25:
- term.c.attr.mode &= ~ATTR_BLINK;
- break;
- case 27:
- term.c.attr.mode &= ~ATTR_REVERSE;
- break;
- case 28:
- term.c.attr.mode &= ~ATTR_INVISIBLE;
- break;
- case 29:
- term.c.attr.mode &= ~ATTR_STRUCK;
- break;
- case 38:
- if ((idx = tdefcolor(attr, &i, l)) >= 0)
- term.c.attr.fg = idx;
- break;
- case 39:
- term.c.attr.fg = defaultfg;
- break;
- case 48:
- if ((idx = tdefcolor(attr, &i, l)) >= 0)
- term.c.attr.bg = idx;
- break;
- case 49:
- term.c.attr.bg = defaultbg;
- break;
- case 58:
- term.c.attr.ucolor[0] = csiescseq.carg[i][1];
- term.c.attr.ucolor[1] = csiescseq.carg[i][2];
- term.c.attr.ucolor[2] = csiescseq.carg[i][3];
- term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
- break;
- case 59:
- term.c.attr.ucolor[0] = -1;
- term.c.attr.ucolor[1] = -1;
- term.c.attr.ucolor[2] = -1;
- term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
- break;
- default:
- if (BETWEEN(attr[i], 30, 37)) {
- term.c.attr.fg = attr[i] - 30;
- } else if (BETWEEN(attr[i], 40, 47)) {
- term.c.attr.bg = attr[i] - 40;
- } else if (BETWEEN(attr[i], 90, 97)) {
- term.c.attr.fg = attr[i] - 90 + 8;
- } else if (BETWEEN(attr[i], 100, 107)) {
- term.c.attr.bg = attr[i] - 100 + 8;
- } else {
- fprintf(stderr,
- "erresc(default): gfx attr %d unknown\n",
- attr[i]);
- csidump();
- }
- break;
- }
- }
-}
-
-void
-tsetscroll(int t, int b)
-{
- int temp;
-
- LIMIT(t, 0, term.row-1);
- LIMIT(b, 0, term.row-1);
- if (t > b) {
- temp = t;
- t = b;
- b = temp;
- }
- term.top = t;
- term.bot = b;
-}
-
-void
-tsetmode(int priv, int set, const int *args, int narg)
-{
- int alt; const int *lim;
-
- for (lim = args + narg; args < lim; ++args) {
- if (priv) {
- switch (*args) {
- case 1: /* DECCKM -- Cursor key */
- xsetmode(set, MODE_APPCURSOR);
- break;
- case 5: /* DECSCNM -- Reverse video */
- xsetmode(set, MODE_REVERSE);
- break;
- case 6: /* DECOM -- Origin */
- MODBIT(term.c.state, set, CURSOR_ORIGIN);
- tmoveato(0, 0);
- break;
- case 7: /* DECAWM -- Auto wrap */
- MODBIT(term.mode, set, MODE_WRAP);
- break;
- case 0: /* Error (IGNORED) */
- case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
- case 3: /* DECCOLM -- Column (IGNORED) */
- case 4: /* DECSCLM -- Scroll (IGNORED) */
- case 8: /* DECARM -- Auto repeat (IGNORED) */
- case 18: /* DECPFF -- Printer feed (IGNORED) */
- case 19: /* DECPEX -- Printer extent (IGNORED) */
- case 42: /* DECNRCM -- National characters (IGNORED) */
- case 12: /* att610 -- Start blinking cursor (IGNORED) */
- break;
- case 25: /* DECTCEM -- Text Cursor Enable Mode */
- xsetmode(!set, MODE_HIDE);
- break;
- case 9: /* X10 mouse compatibility mode */
- xsetpointermotion(0);
- xsetmode(0, MODE_MOUSE);
- xsetmode(set, MODE_MOUSEX10);
- break;
- case 1000: /* 1000: report button press */
- xsetpointermotion(0);
- xsetmode(0, MODE_MOUSE);
- xsetmode(set, MODE_MOUSEBTN);
- break;
- case 1002: /* 1002: report motion on button press */
- xsetpointermotion(0);
- xsetmode(0, MODE_MOUSE);
- xsetmode(set, MODE_MOUSEMOTION);
- break;
- case 1003: /* 1003: enable all mouse motions */
- xsetpointermotion(set);
- xsetmode(0, MODE_MOUSE);
- xsetmode(set, MODE_MOUSEMANY);
- break;
- case 1004: /* 1004: send focus events to tty */
- xsetmode(set, MODE_FOCUS);
- break;
- case 1006: /* 1006: extended reporting mode */
- xsetmode(set, MODE_MOUSESGR);
- break;
- case 1034:
- xsetmode(set, MODE_8BIT);
- break;
- case 1049: /* swap screen & set/restore cursor as xterm */
- if (!allowaltscreen)
- break;
- tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
- /* FALLTHROUGH */
- case 47: /* swap screen */
- case 1047:
- if (!allowaltscreen)
- break;
- alt = IS_SET(MODE_ALTSCREEN);
- if (alt) {
- tclearregion(0, 0, term.col-1,
- term.row-1);
- }
- if (set ^ alt) /* set is always 1 or 0 */
- tswapscreen();
- if (*args != 1049)
- break;
- /* FALLTHROUGH */
- case 1048:
- tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
- break;
- case 2004: /* 2004: bracketed paste mode */
- xsetmode(set, MODE_BRCKTPASTE);
- break;
- /* Not implemented mouse modes. See comments there. */
- case 1001: /* mouse highlight mode; can hang the
- terminal by design when implemented. */
- case 1005: /* UTF-8 mouse mode; will confuse
- applications not supporting UTF-8
- and luit. */
- case 1015: /* urxvt mangled mouse mode; incompatible
- and can be mistaken for other control
- codes. */
- break;
- default:
- fprintf(stderr,
- "erresc: unknown private set/reset mode %d\n",
- *args);
- break;
- }
- } else {
- switch (*args) {
- case 0: /* Error (IGNORED) */
- break;
- case 2:
- xsetmode(set, MODE_KBDLOCK);
- break;
- case 4: /* IRM -- Insertion-replacement */
- MODBIT(term.mode, set, MODE_INSERT);
- break;
- case 12: /* SRM -- Send/Receive */
- MODBIT(term.mode, !set, MODE_ECHO);
- break;
- case 20: /* LNM -- Linefeed/new line */
- MODBIT(term.mode, set, MODE_CRLF);
- break;
- default:
- fprintf(stderr,
- "erresc: unknown set/reset mode %d\n",
- *args);
- break;
- }
- }
- }
-}
-
-void
-csihandle(void)
-{
- char buf[40];
- int len;
-
- switch (csiescseq.mode[0]) {
- default:
- unknown:
- fprintf(stderr, "erresc: unknown csi ");
- csidump();
- /* die(""); */
- break;
- case '@': /* ICH -- Insert <n> blank char */
- DEFAULT(csiescseq.arg[0], 1);
- tinsertblank(csiescseq.arg[0]);
- break;
- case 'A': /* CUU -- Cursor <n> Up */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
- break;
- case 'B': /* CUD -- Cursor <n> Down */
- case 'e': /* VPR --Cursor <n> Down */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
- break;
- case 'i': /* MC -- Media Copy */
- switch (csiescseq.arg[0]) {
- case 0:
- tdump();
- break;
- case 1:
- tdumpline(term.c.y);
- break;
- case 2:
- tdumpsel();
- break;
- case 4:
- term.mode &= ~MODE_PRINT;
- break;
- case 5:
- term.mode |= MODE_PRINT;
- break;
- }
- break;
- case 'c': /* DA -- Device Attributes */
- if (csiescseq.arg[0] == 0)
- ttywrite(vtiden, strlen(vtiden), 0);
- break;
- case 'b': /* REP -- if last char is printable print it <n> more times */
- LIMIT(csiescseq.arg[0], 1, 65535);
- if (term.lastc)
- while (csiescseq.arg[0]-- > 0)
- tputc(term.lastc);
- break;
- case 'C': /* CUF -- Cursor <n> Forward */
- case 'a': /* HPR -- Cursor <n> Forward */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
- break;
- case 'D': /* CUB -- Cursor <n> Backward */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
- break;
- case 'E': /* CNL -- Cursor <n> Down and first col */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(0, term.c.y+csiescseq.arg[0]);
- break;
- case 'F': /* CPL -- Cursor <n> Up and first col */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(0, term.c.y-csiescseq.arg[0]);
- break;
- case 'g': /* TBC -- Tabulation clear */
- switch (csiescseq.arg[0]) {
- case 0: /* clear current tab stop */
- term.tabs[term.c.x] = 0;
- break;
- case 3: /* clear all the tabs */
- memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- break;
- default:
- goto unknown;
- }
- break;
- case 'G': /* CHA -- Move to <col> */
- case '`': /* HPA */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(csiescseq.arg[0]-1, term.c.y);
- break;
- case 'H': /* CUP -- Move to <row> <col> */
- case 'f': /* HVP */
- DEFAULT(csiescseq.arg[0], 1);
- DEFAULT(csiescseq.arg[1], 1);
- tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
- break;
- case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
- DEFAULT(csiescseq.arg[0], 1);
- tputtab(csiescseq.arg[0]);
- break;
- case 'J': /* ED -- Clear screen */
- switch (csiescseq.arg[0]) {
- case 0: /* below */
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
- if (term.c.y < term.row-1) {
- tclearregion(0, term.c.y+1, term.col-1,
- term.row-1);
- }
- break;
- case 1: /* above */
- if (term.c.y > 0)
- tclearregion(0, 0, term.col-1, term.c.y-1);
- tclearregion(0, term.c.y, term.c.x, term.c.y);
- break;
- case 2: /* all */
- tclearregion(0, 0, term.col-1, term.row-1);
- break;
- default:
- goto unknown;
- }
- break;
- case 'K': /* EL -- Clear line */
- switch (csiescseq.arg[0]) {
- case 0: /* right */
- tclearregion(term.c.x, term.c.y, term.col-1,
- term.c.y);
- break;
- case 1: /* left */
- tclearregion(0, term.c.y, term.c.x, term.c.y);
- break;
- case 2: /* all */
- tclearregion(0, term.c.y, term.col-1, term.c.y);
- break;
- }
- break;
- case 'S': /* SU -- Scroll <n> line up */
- if (csiescseq.priv) break;
- DEFAULT(csiescseq.arg[0], 1);
- tscrollup(term.top, csiescseq.arg[0]);
- break;
- case 'T': /* SD -- Scroll <n> line down */
- DEFAULT(csiescseq.arg[0], 1);
- tscrolldown(term.top, csiescseq.arg[0]);
- break;
- case 'L': /* IL -- Insert <n> blank lines */
- DEFAULT(csiescseq.arg[0], 1);
- tinsertblankline(csiescseq.arg[0]);
- break;
- case 'l': /* RM -- Reset Mode */
- tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
- break;
- case 'M': /* DL -- Delete <n> lines */
- DEFAULT(csiescseq.arg[0], 1);
- tdeleteline(csiescseq.arg[0]);
- break;
- case 'X': /* ECH -- Erase <n> char */
- DEFAULT(csiescseq.arg[0], 1);
- tclearregion(term.c.x, term.c.y,
- term.c.x + csiescseq.arg[0] - 1, term.c.y);
- break;
- case 'P': /* DCH -- Delete <n> char */
- DEFAULT(csiescseq.arg[0], 1);
- tdeletechar(csiescseq.arg[0]);
- break;
- case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
- DEFAULT(csiescseq.arg[0], 1);
- tputtab(-csiescseq.arg[0]);
- break;
- case 'd': /* VPA -- Move to <row> */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveato(term.c.x, csiescseq.arg[0]-1);
- break;
- case 'h': /* SM -- Set terminal mode */
- tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
- break;
- case 'm': /* SGR -- Terminal attribute (color) */
- tsetattr(csiescseq.arg, csiescseq.narg);
- break;
- case 'n': /* DSR -- Device Status Report */
- switch (csiescseq.arg[0]) {
- case 5: /* Status Report "OK" `0n` */
- ttywrite("\033[0n", sizeof("\033[0n") - 1, 0);
- break;
- case 6: /* Report Cursor Position (CPR) "<row>;<column>R" */
- len = snprintf(buf, sizeof(buf), "\033[%i;%iR",
- term.c.y+1, term.c.x+1);
- ttywrite(buf, len, 0);
- break;
- default:
- goto unknown;
- }
- break;
- case 'r': /* DECSTBM -- Set Scrolling Region */
- if (csiescseq.priv) {
- goto unknown;
- } else {
- DEFAULT(csiescseq.arg[0], 1);
- DEFAULT(csiescseq.arg[1], term.row);
- tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
- tmoveato(0, 0);
- }
- break;
- case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
- tcursor(CURSOR_SAVE);
- break;
- case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
- if (csiescseq.priv) {
- goto unknown;
- } else {
- tcursor(CURSOR_LOAD);
- }
- break;
- case ' ':
- switch (csiescseq.mode[1]) {
- case 'q': /* DECSCUSR -- Set Cursor Style */
- if (xsetcursor(csiescseq.arg[0]))
- goto unknown;
- break;
- default:
- goto unknown;
- }
- break;
- case 't': /* title stack operations */
- switch (csiescseq.arg[0]) {
- case 22: /* pust current title on stack */
- switch (csiescseq.arg[1]) {
- case 0:
- case 1:
- case 2:
- xpushtitle();
- break;
- default:
- goto unknown;
- }
- break;
- case 23: /* pop last title from stack */
- switch (csiescseq.arg[1]) {
- case 0:
- case 1:
- case 2:
- xsettitle(NULL, 1);
- break;
- default:
- goto unknown;
- }
- break;
- default:
- goto unknown;
- }
- }
-}
-
-void
-csidump(void)
-{
- size_t i;
- uint c;
-
- fprintf(stderr, "ESC[");
- for (i = 0; i < csiescseq.len; i++) {
- c = csiescseq.buf[i] & 0xff;
- if (isprint(c)) {
- putc(c, stderr);
- } else if (c == '\n') {
- fprintf(stderr, "(\\n)");
- } else if (c == '\r') {
- fprintf(stderr, "(\\r)");
- } else if (c == 0x1b) {
- fprintf(stderr, "(\\e)");
- } else {
- fprintf(stderr, "(%02x)", c);
- }
- }
- putc('\n', stderr);
-}
-
-void
-csireset(void)
-{
- memset(&csiescseq, 0, sizeof(csiescseq));
-}
-
-void
-osc_color_response(int num, int index, int is_osc4)
-{
- int n;
- char buf[32];
- unsigned char r, g, b;
-
- if (xgetcolor(is_osc4 ? num : index, &r, &g, &b)) {
- fprintf(stderr, "erresc: failed to fetch %s color %d\n",
- is_osc4 ? "osc4" : "osc",
- is_osc4 ? num : index);
- return;
- }
-
- n = snprintf(buf, sizeof buf, "\033]%s%d;rgb:%02x%02x/%02x%02x/%02x%02x\007",
- is_osc4 ? "4;" : "", num, r, r, g, g, b, b);
- if (n < 0 || n >= sizeof(buf)) {
- fprintf(stderr, "error: %s while printing %s response\n",
- n < 0 ? "snprintf failed" : "truncation occurred",
- is_osc4 ? "osc4" : "osc");
- } else {
- ttywrite(buf, n, 1);
- }
-}
-
-void
-strhandle(void)
-{
- char *p = NULL, *dec;
- int j, narg, par;
- const struct { int idx; char *str; } osc_table[] = {
- { defaultfg, "foreground" },
- { defaultbg, "background" },
- { defaultcs, "cursor" }
- };
-
- term.esc &= ~(ESC_STR_END|ESC_STR);
- strparse();
- par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
-
- switch (strescseq.type) {
- case ']': /* OSC -- Operating System Command */
- switch (par) {
- case 0:
- if (narg > 1) {
- xsettitle(strescseq.args[1], 0);
- xseticontitle(strescseq.args[1]);
- }
- return;
- case 1:
- if (narg > 1)
- xseticontitle(strescseq.args[1]);
- return;
- case 2:
- if (narg > 1)
- xsettitle(strescseq.args[1], 0);
- return;
- case 52:
- if (narg > 2 && allowwindowops) {
- dec = base64dec(strescseq.args[2]);
- if (dec) {
- xsetsel(dec);
- xclipcopy();
- } else {
- fprintf(stderr, "erresc: invalid base64\n");
- }
- }
- return;
- case 10:
- case 11:
- case 12:
- if (narg < 2)
- break;
- p = strescseq.args[1];
- if ((j = par - 10) < 0 || j >= LEN(osc_table))
- break; /* shouldn't be possible */
-
- if (!strcmp(p, "?")) {
- osc_color_response(par, osc_table[j].idx, 0);
- } else if (xsetcolorname(osc_table[j].idx, p)) {
- fprintf(stderr, "erresc: invalid %s color: %s\n",
- osc_table[j].str, p);
- } else {
- tfulldirt();
- }
- return;
- case 4: /* color set */
- if (narg < 3)
- break;
- p = strescseq.args[2];
- /* FALLTHROUGH */
- case 104: /* color reset */
- j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
-
- if (p && !strcmp(p, "?")) {
- osc_color_response(j, 0, 1);
- } else if (xsetcolorname(j, p)) {
- if (par == 104 && narg <= 1) {
- xloadcols();
- return; /* color reset without parameter */
- }
- fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
- j, p ? p : "(null)");
- } else {
- /*
- * TODO if defaultbg color is changed, borders
- * are dirty
- */
- tfulldirt();
- }
- return;
- }
- break;
- case 'k': /* old title set compatibility */
- xsettitle(strescseq.args[0], 0);
- return;
- case 'P': /* DCS -- Device Control String */
- case '_': /* APC -- Application Program Command */
- case '^': /* PM -- Privacy Message */
- return;
- }
-
- fprintf(stderr, "erresc: unknown str ");
- strdump();
-}
-
-void
-strparse(void)
-{
- int c;
- char *p = strescseq.buf;
-
- strescseq.narg = 0;
- strescseq.buf[strescseq.len] = '\0';
-
- if (*p == '\0')
- return;
-
- while (strescseq.narg < STR_ARG_SIZ) {
- strescseq.args[strescseq.narg++] = p;
- while ((c = *p) != ';' && c != '\0')
- ++p;
- if (c == '\0')
- return;
- *p++ = '\0';
- }
-}
-
-void
-externalpipe(const Arg *arg)
-{
- int to[2];
- char buf[UTF_SIZ];
- void (*oldsigpipe)(int);
- Glyph *bp, *end;
- int lastpos, n, newline;
-
- if (pipe(to) == -1)
- return;
-
- switch (fork()) {
- case -1:
- close(to[0]);
- close(to[1]);
- return;
- case 0:
- dup2(to[0], STDIN_FILENO);
- close(to[0]);
- close(to[1]);
- execvp(((char **)arg->v)[0], (char **)arg->v);
- fprintf(stderr, "st: execvp %s\n", ((char **)arg->v)[0]);
- perror("failed");
- exit(0);
- }
-
- close(to[0]);
- /* ignore sigpipe for now, in case child exists early */
- oldsigpipe = signal(SIGPIPE, SIG_IGN);
- newline = 0;
- for (n = 0; n < term.row; n++) {
- bp = TLINE(n);
- lastpos = MIN(tlinelen(n) + 1, term.col) - 1;
- if (lastpos < 0)
- break;
- end = &bp[lastpos + 1];
- for (; bp < end; ++bp)
- if (xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0)
- break;
- if ((newline = TLINE(n)[lastpos].mode & ATTR_WRAP))
- continue;
- if (xwrite(to[1], "\n", 1) < 0)
- break;
- newline = 0;
- }
- if (newline)
- (void)xwrite(to[1], "\n", 1);
- close(to[1]);
- /* restore */
- signal(SIGPIPE, oldsigpipe);
-}
-
-void
-strdump(void)
-{
- size_t i;
- uint c;
-
- fprintf(stderr, "ESC%c", strescseq.type);
- for (i = 0; i < strescseq.len; i++) {
- c = strescseq.buf[i] & 0xff;
- if (c == '\0') {
- putc('\n', stderr);
- return;
- } else if (isprint(c)) {
- putc(c, stderr);
- } else if (c == '\n') {
- fprintf(stderr, "(\\n)");
- } else if (c == '\r') {
- fprintf(stderr, "(\\r)");
- } else if (c == 0x1b) {
- fprintf(stderr, "(\\e)");
- } else {
- fprintf(stderr, "(%02x)", c);
- }
- }
- fprintf(stderr, "ESC\\\n");
-}
-
-void
-strreset(void)
-{
- strescseq = (STREscape){
- .buf = xrealloc(strescseq.buf, STR_BUF_SIZ),
- .siz = STR_BUF_SIZ,
- };
-}
-
-void
-sendbreak(const Arg *arg)
-{
- if (tcsendbreak(cmdfd, 0))
- perror("Error sending break");
-}
-
-void
-tprinter(char *s, size_t len)
-{
- if (iofd != -1 && xwrite(iofd, s, len) < 0) {
- perror("Error writing to output file");
- close(iofd);
- iofd = -1;
- }
-}
-
-void
-toggleprinter(const Arg *arg)
-{
- term.mode ^= MODE_PRINT;
-}
-
-void
-printscreen(const Arg *arg)
-{
- tdump();
-}
-
-void
-printsel(const Arg *arg)
-{
- tdumpsel();
-}
-
-void
-tdumpsel(void)
-{
- char *ptr;
-
- if ((ptr = getsel())) {
- tprinter(ptr, strlen(ptr));
- free(ptr);
- }
-}
-
-void
-tdumpline(int n)
-{
- char buf[UTF_SIZ];
- const Glyph *bp, *end;
-
- bp = &TLINE(n)[0];
- end = &bp[MIN(tlinelen(n), term.col) - 1];
- if (bp != end || bp->u != ' ') {
- for ( ; bp <= end; ++bp)
- tprinter(buf, utf8encode(bp->u, buf));
- }
- tprinter("\n", 1);
-}
-
-void
-tdump(void)
-{
- int i;
-
- for (i = 0; i < term.row; ++i)
- tdumpline(i);
-}
-
-void
-tputtab(int n)
-{
- uint x = term.c.x;
-
- if (n > 0) {
- while (x < term.col && n--)
- for (++x; x < term.col && !term.tabs[x]; ++x)
- /* nothing */ ;
- } else if (n < 0) {
- while (x > 0 && n++)
- for (--x; x > 0 && !term.tabs[x]; --x)
- /* nothing */ ;
- }
- term.c.x = LIMIT(x, 0, term.col-1);
-}
-
-void
-tdefutf8(char ascii)
-{
- if (ascii == 'G')
- term.mode |= MODE_UTF8;
- else if (ascii == '@')
- term.mode &= ~MODE_UTF8;
-}
-
-void
-tdeftran(char ascii)
-{
- static char cs[] = "0B";
- static int vcs[] = {CS_GRAPHIC0, CS_USA};
- char *p;
-
- if ((p = strchr(cs, ascii)) == NULL) {
- fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
- } else {
- term.trantbl[term.icharset] = vcs[p - cs];
- }
-}
-
-void
-tdectest(char c)
-{
- int x, y;
-
- if (c == '8') { /* DEC screen alignment test. */
- for (x = 0; x < term.col; ++x) {
- for (y = 0; y < term.row; ++y)
- tsetchar('E', &term.c.attr, x, y);
- }
- }
-}
-
-void
-tstrsequence(uchar c)
-{
- switch (c) {
- case 0x90: /* DCS -- Device Control String */
- c = 'P';
- break;
- case 0x9f: /* APC -- Application Program Command */
- c = '_';
- break;
- case 0x9e: /* PM -- Privacy Message */
- c = '^';
- break;
- case 0x9d: /* OSC -- Operating System Command */
- c = ']';
- break;
- }
- strreset();
- strescseq.type = c;
- term.esc |= ESC_STR;
-}
-
-void
-tcontrolcode(uchar ascii)
-{
- switch (ascii) {
- case '\t': /* HT */
- tputtab(1);
- return;
- case '\b': /* BS */
- tmoveto(term.c.x-1, term.c.y);
- return;
- case '\r': /* CR */
- tmoveto(0, term.c.y);
- return;
- case '\f': /* LF */
- case '\v': /* VT */
- case '\n': /* LF */
- /* go to first col if the mode is set */
- tnewline(IS_SET(MODE_CRLF));
- return;
- case '\a': /* BEL */
- if (term.esc & ESC_STR_END) {
- /* backwards compatibility to xterm */
- strhandle();
- } else {
- xbell();
- }
- break;
- case '\033': /* ESC */
- csireset();
- term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
- term.esc |= ESC_START;
- return;
- case '\016': /* SO (LS1 -- Locking shift 1) */
- case '\017': /* SI (LS0 -- Locking shift 0) */
- term.charset = 1 - (ascii - '\016');
- return;
- case '\032': /* SUB */
- tsetchar('?', &term.c.attr, term.c.x, term.c.y);
- /* FALLTHROUGH */
- case '\030': /* CAN */
- csireset();
- break;
- case '\005': /* ENQ (IGNORED) */
- case '\000': /* NUL (IGNORED) */
- case '\021': /* XON (IGNORED) */
- case '\023': /* XOFF (IGNORED) */
- case 0177: /* DEL (IGNORED) */
- return;
- case 0x80: /* TODO: PAD */
- case 0x81: /* TODO: HOP */
- case 0x82: /* TODO: BPH */
- case 0x83: /* TODO: NBH */
- case 0x84: /* TODO: IND */
- break;
- case 0x85: /* NEL -- Next line */
- tnewline(1); /* always go to first col */
- break;
- case 0x86: /* TODO: SSA */
- case 0x87: /* TODO: ESA */
- break;
- case 0x88: /* HTS -- Horizontal tab stop */
- term.tabs[term.c.x] = 1;
- break;
- case 0x89: /* TODO: HTJ */
- case 0x8a: /* TODO: VTS */
- case 0x8b: /* TODO: PLD */
- case 0x8c: /* TODO: PLU */
- case 0x8d: /* TODO: RI */
- case 0x8e: /* TODO: SS2 */
- case 0x8f: /* TODO: SS3 */
- case 0x91: /* TODO: PU1 */
- case 0x92: /* TODO: PU2 */
- case 0x93: /* TODO: STS */
- case 0x94: /* TODO: CCH */
- case 0x95: /* TODO: MW */
- case 0x96: /* TODO: SPA */
- case 0x97: /* TODO: EPA */
- case 0x98: /* TODO: SOS */
- case 0x99: /* TODO: SGCI */
- break;
- case 0x9a: /* DECID -- Identify Terminal */
- ttywrite(vtiden, strlen(vtiden), 0);
- break;
- case 0x9b: /* TODO: CSI */
- case 0x9c: /* TODO: ST */
- break;
- case 0x90: /* DCS -- Device Control String */
- case 0x9d: /* OSC -- Operating System Command */
- case 0x9e: /* PM -- Privacy Message */
- case 0x9f: /* APC -- Application Program Command */
- tstrsequence(ascii);
- return;
- }
- /* only CAN, SUB, \a and C1 chars interrupt a sequence */
- term.esc &= ~(ESC_STR_END|ESC_STR);
+void tmoveato(int x, int y) {
+ tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top : 0));
+}
+
+void tmoveto(int x, int y) {
+ int miny, maxy;
+
+ if (term.c.state & CURSOR_ORIGIN) {
+ miny = term.top;
+ maxy = term.bot;
+ } else {
+ miny = 0;
+ maxy = term.row - 1;
+ }
+ term.c.state &= ~CURSOR_WRAPNEXT;
+ term.c.x = LIMIT(x, 0, term.col - 1);
+ term.c.y = LIMIT(y, miny, maxy);
+}
+
+void tsetchar(Rune u, const Glyph *attr, int x, int y) {
+ static const char *vt100_0[62] = {
+ /* 0x41 - 0x7e */
+ "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
+ 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
+ "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
+ "␤", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
+ "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
+ "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
+ };
+ Line line = TLINE(y);
+
+ /*
+ * The table is proudly stolen from rxvt.
+ */
+ if (term.trantbl[term.charset] == CS_GRAPHIC0 && BETWEEN(u, 0x41, 0x7e) &&
+ vt100_0[u - 0x41])
+ utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
+
+ if (line[x].mode & ATTR_WIDE) {
+ if (x + 1 < term.col) {
+ line[x + 1].u = ' ';
+ line[x + 1].mode &= ~ATTR_WDUMMY;
+ }
+ } else if (line[x].mode & ATTR_WDUMMY) {
+ line[x - 1].u = ' ';
+ line[x - 1].mode &= ~ATTR_WIDE;
+ }
+
+ term.dirty[y] = 1;
+ line[x] = *attr;
+ line[x].u = u;
+}
+
+void tclearregion(int x1, int y1, int x2, int y2) {
+ int x, y, L, S, temp;
+ Glyph *gp;
+
+ if (x1 > x2)
+ temp = x1, x1 = x2, x2 = temp;
+ if (y1 > y2)
+ temp = y1, y1 = y2, y2 = temp;
+
+ LIMIT(x1, 0, term.linelen - 1);
+ LIMIT(x2, 0, term.linelen - 1);
+ LIMIT(y1, 0, term.row - 1);
+ LIMIT(y2, 0, term.row - 1);
+
+ L = TLINEOFFSET(y1);
+ for (y = y1; y <= y2; y++) {
+ term.dirty[y] = 1;
+ for (x = x1; x <= x2; x++) {
+ gp = &TSCREEN.buffer[L][x];
+ if (selected(x, y))
+ selclear();
+ gp->fg = term.c.attr.fg;
+ gp->bg = term.c.attr.bg;
+ gp->mode = 0;
+ gp->u = ' ';
+ }
+ L = (L + 1) % TSCREEN.size;
+ }
+}
+
+void tdeletechar(int n) {
+ int dst, src, size;
+ Glyph *line;
+
+ LIMIT(n, 0, term.col - term.c.x);
+
+ dst = term.c.x;
+ src = term.c.x + n;
+ size = term.col - src;
+ line = TLINE(term.c.y);
+
+ memmove(&line[dst], &line[src], size * sizeof(Glyph));
+ tclearregion(term.col - n, term.c.y, term.col - 1, term.c.y);
+}
+
+void tinsertblank(int n) {
+ int dst, src, size;
+ Glyph *line;
+
+ LIMIT(n, 0, term.col - term.c.x);
+
+ dst = term.c.x + n;
+ src = term.c.x;
+ size = term.col - dst;
+ line = TLINE(term.c.y);
+
+ memmove(&line[dst], &line[src], size * sizeof(Glyph));
+ tclearregion(src, term.c.y, dst - 1, term.c.y);
+}
+
+void tinsertblankline(int n) {
+ if (BETWEEN(term.c.y, term.top, term.bot))
+ tscrolldown(term.c.y, n);
+}
+
+void tdeleteline(int n) {
+ if (BETWEEN(term.c.y, term.top, term.bot))
+ tscrollup(term.c.y, n);
+}
+
+int32_t tdefcolor(const int *attr, int *npar, int l) {
+ int32_t idx = -1;
+ uint r, g, b;
+
+ switch (attr[*npar + 1]) {
+ case 2: /* direct color in RGB space */
+ if (*npar + 4 >= l) {
+ fprintf(stderr, "erresc(38): Incorrect number of parameters (%d)\n",
+ *npar);
+ break;
+ }
+ r = attr[*npar + 2];
+ g = attr[*npar + 3];
+ b = attr[*npar + 4];
+ *npar += 4;
+ if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
+ fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n", r, g, b);
+ else
+ idx = TRUECOLOR(r, g, b);
+ break;
+ case 5: /* indexed color */
+ if (*npar + 2 >= l) {
+ fprintf(stderr, "erresc(38): Incorrect number of parameters (%d)\n",
+ *npar);
+ break;
+ }
+ *npar += 2;
+ if (!BETWEEN(attr[*npar], 0, 255))
+ fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
+ else
+ idx = attr[*npar];
+ break;
+ case 0: /* implemented defined (only foreground) */
+ case 1: /* transparent */
+ case 3: /* direct color in CMY space */
+ case 4: /* direct color in CMYK space */
+ default:
+ fprintf(stderr, "erresc(38): gfx attr %d unknown\n", attr[*npar]);
+ break;
+ }
+
+ return idx;
+}
+
+void tsetattr(const int *attr, int l) {
+ int i;
+ int32_t idx;
+
+ for (i = 0; i < l; i++) {
+ switch (attr[i]) {
+ case 0:
+ term.c.attr.mode &=
+ ~(ATTR_BOLD | ATTR_FAINT | ATTR_ITALIC | ATTR_UNDERLINE | ATTR_BLINK |
+ ATTR_REVERSE | ATTR_INVISIBLE | ATTR_STRUCK);
+ term.c.attr.fg = defaultfg;
+ term.c.attr.bg = defaultbg;
+ term.c.attr.ustyle = -1;
+ term.c.attr.ucolor[0] = -1;
+ term.c.attr.ucolor[1] = -1;
+ term.c.attr.ucolor[2] = -1;
+ break;
+ case 1:
+ term.c.attr.mode |= ATTR_BOLD;
+ break;
+ case 2:
+ term.c.attr.mode |= ATTR_FAINT;
+ break;
+ case 3:
+ term.c.attr.mode |= ATTR_ITALIC;
+ break;
+ case 4:
+ term.c.attr.ustyle = csiescseq.carg[i][0];
+
+ if (term.c.attr.ustyle != 0)
+ term.c.attr.mode |= ATTR_UNDERLINE;
+ else
+ term.c.attr.mode &= ~ATTR_UNDERLINE;
+
+ term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
+ break;
+ case 5: /* slow blink */
+ /* FALLTHROUGH */
+ case 6: /* rapid blink */
+ term.c.attr.mode |= ATTR_BLINK;
+ break;
+ case 7:
+ term.c.attr.mode |= ATTR_REVERSE;
+ break;
+ case 8:
+ term.c.attr.mode |= ATTR_INVISIBLE;
+ break;
+ case 9:
+ term.c.attr.mode |= ATTR_STRUCK;
+ break;
+ case 22:
+ term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
+ break;
+ case 23:
+ term.c.attr.mode &= ~ATTR_ITALIC;
+ break;
+ case 24:
+ term.c.attr.mode &= ~ATTR_UNDERLINE;
+ break;
+ case 25:
+ term.c.attr.mode &= ~ATTR_BLINK;
+ break;
+ case 27:
+ term.c.attr.mode &= ~ATTR_REVERSE;
+ break;
+ case 28:
+ term.c.attr.mode &= ~ATTR_INVISIBLE;
+ break;
+ case 29:
+ term.c.attr.mode &= ~ATTR_STRUCK;
+ break;
+ case 38:
+ if ((idx = tdefcolor(attr, &i, l)) >= 0)
+ term.c.attr.fg = idx;
+ break;
+ case 39:
+ term.c.attr.fg = defaultfg;
+ break;
+ case 48:
+ if ((idx = tdefcolor(attr, &i, l)) >= 0)
+ term.c.attr.bg = idx;
+ break;
+ case 49:
+ term.c.attr.bg = defaultbg;
+ break;
+ case 58:
+ term.c.attr.ucolor[0] = csiescseq.carg[i][1];
+ term.c.attr.ucolor[1] = csiescseq.carg[i][2];
+ term.c.attr.ucolor[2] = csiescseq.carg[i][3];
+ term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
+ break;
+ case 59:
+ term.c.attr.ucolor[0] = -1;
+ term.c.attr.ucolor[1] = -1;
+ term.c.attr.ucolor[2] = -1;
+ term.c.attr.mode ^= ATTR_DIRTYUNDERLINE;
+ break;
+ default:
+ if (BETWEEN(attr[i], 30, 37)) {
+ term.c.attr.fg = attr[i] - 30;
+ } else if (BETWEEN(attr[i], 40, 47)) {
+ term.c.attr.bg = attr[i] - 40;
+ } else if (BETWEEN(attr[i], 90, 97)) {
+ term.c.attr.fg = attr[i] - 90 + 8;
+ } else if (BETWEEN(attr[i], 100, 107)) {
+ term.c.attr.bg = attr[i] - 100 + 8;
+ } else {
+ fprintf(stderr, "erresc(default): gfx attr %d unknown\n", attr[i]);
+ csidump();
+ }
+ break;
+ }
+ }
+}
+
+void tsetscroll(int t, int b) {
+ int temp;
+
+ LIMIT(t, 0, term.row - 1);
+ LIMIT(b, 0, term.row - 1);
+ if (t > b) {
+ temp = t;
+ t = b;
+ b = temp;
+ }
+ term.top = t;
+ term.bot = b;
+}
+
+void tsetmode(int priv, int set, const int *args, int narg) {
+ int alt;
+ const int *lim;
+
+ for (lim = args + narg; args < lim; ++args) {
+ if (priv) {
+ switch (*args) {
+ case 1: /* DECCKM -- Cursor key */
+ xsetmode(set, MODE_APPCURSOR);
+ break;
+ case 5: /* DECSCNM -- Reverse video */
+ xsetmode(set, MODE_REVERSE);
+ break;
+ case 6: /* DECOM -- Origin */
+ MODBIT(term.c.state, set, CURSOR_ORIGIN);
+ tmoveato(0, 0);
+ break;
+ case 7: /* DECAWM -- Auto wrap */
+ MODBIT(term.mode, set, MODE_WRAP);
+ break;
+ case 0: /* Error (IGNORED) */
+ case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
+ case 3: /* DECCOLM -- Column (IGNORED) */
+ case 4: /* DECSCLM -- Scroll (IGNORED) */
+ case 8: /* DECARM -- Auto repeat (IGNORED) */
+ case 18: /* DECPFF -- Printer feed (IGNORED) */
+ case 19: /* DECPEX -- Printer extent (IGNORED) */
+ case 42: /* DECNRCM -- National characters (IGNORED) */
+ case 12: /* att610 -- Start blinking cursor (IGNORED) */
+ break;
+ case 25: /* DECTCEM -- Text Cursor Enable Mode */
+ xsetmode(!set, MODE_HIDE);
+ break;
+ case 9: /* X10 mouse compatibility mode */
+ xsetpointermotion(0);
+ xsetmode(0, MODE_MOUSE);
+ xsetmode(set, MODE_MOUSEX10);
+ break;
+ case 1000: /* 1000: report button press */
+ xsetpointermotion(0);
+ xsetmode(0, MODE_MOUSE);
+ xsetmode(set, MODE_MOUSEBTN);
+ break;
+ case 1002: /* 1002: report motion on button press */
+ xsetpointermotion(0);
+ xsetmode(0, MODE_MOUSE);
+ xsetmode(set, MODE_MOUSEMOTION);
+ break;
+ case 1003: /* 1003: enable all mouse motions */
+ xsetpointermotion(set);
+ xsetmode(0, MODE_MOUSE);
+ xsetmode(set, MODE_MOUSEMANY);
+ break;
+ case 1004: /* 1004: send focus events to tty */
+ xsetmode(set, MODE_FOCUS);
+ break;
+ case 1006: /* 1006: extended reporting mode */
+ xsetmode(set, MODE_MOUSESGR);
+ break;
+ case 1034:
+ xsetmode(set, MODE_8BIT);
+ break;
+ case 1049: /* swap screen & set/restore cursor as xterm */
+ if (!allowaltscreen)
+ break;
+ tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
+ /* FALLTHROUGH */
+ case 47: /* swap screen */
+ case 1047:
+ if (!allowaltscreen)
+ break;
+ alt = IS_SET(MODE_ALTSCREEN);
+ if (alt) {
+ tclearregion(0, 0, term.col - 1, term.row - 1);
+ }
+ if (set ^ alt) /* set is always 1 or 0 */
+ tswapscreen();
+ if (*args != 1049)
+ break;
+ /* FALLTHROUGH */
+ case 1048:
+ tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
+ break;
+ case 2004: /* 2004: bracketed paste mode */
+ xsetmode(set, MODE_BRCKTPASTE);
+ break;
+ /* Not implemented mouse modes. See comments there. */
+ case 1001: /* mouse highlight mode; can hang the
+ terminal by design when implemented. */
+ case 1005: /* UTF-8 mouse mode; will confuse
+ applications not supporting UTF-8
+ and luit. */
+ case 1015: /* urxvt mangled mouse mode; incompatible
+ and can be mistaken for other control
+ codes. */
+ break;
+ default:
+ fprintf(stderr, "erresc: unknown private set/reset mode %d\n", *args);
+ break;
+ }
+ } else {
+ switch (*args) {
+ case 0: /* Error (IGNORED) */
+ break;
+ case 2:
+ xsetmode(set, MODE_KBDLOCK);
+ break;
+ case 4: /* IRM -- Insertion-replacement */
+ MODBIT(term.mode, set, MODE_INSERT);
+ break;
+ case 12: /* SRM -- Send/Receive */
+ MODBIT(term.mode, !set, MODE_ECHO);
+ break;
+ case 20: /* LNM -- Linefeed/new line */
+ MODBIT(term.mode, set, MODE_CRLF);
+ break;
+ default:
+ fprintf(stderr, "erresc: unknown set/reset mode %d\n", *args);
+ break;
+ }
+ }
+ }
+}
+
+void csihandle(void) {
+ char buf[40];
+ int len;
+
+ switch (csiescseq.mode[0]) {
+ default:
+ unknown:
+ fprintf(stderr, "erresc: unknown csi ");
+ csidump();
+ /* die(""); */
+ break;
+ case '@': /* ICH -- Insert <n> blank char */
+ DEFAULT(csiescseq.arg[0], 1);
+ tinsertblank(csiescseq.arg[0]);
+ break;
+ case 'A': /* CUU -- Cursor <n> Up */
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(term.c.x, term.c.y - csiescseq.arg[0]);
+ break;
+ case 'B': /* CUD -- Cursor <n> Down */
+ case 'e': /* VPR --Cursor <n> Down */
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(term.c.x, term.c.y + csiescseq.arg[0]);
+ break;
+ case 'i': /* MC -- Media Copy */
+ switch (csiescseq.arg[0]) {
+ case 0:
+ tdump();
+ break;
+ case 1:
+ tdumpline(term.c.y);
+ break;
+ case 2:
+ tdumpsel();
+ break;
+ case 4:
+ term.mode &= ~MODE_PRINT;
+ break;
+ case 5:
+ term.mode |= MODE_PRINT;
+ break;
+ }
+ break;
+ case 'c': /* DA -- Device Attributes */
+ if (csiescseq.arg[0] == 0)
+ ttywrite(vtiden, strlen(vtiden), 0);
+ break;
+ case 'b': /* REP -- if last char is printable print it <n> more times */
+ LIMIT(csiescseq.arg[0], 1, 65535);
+ if (term.lastc)
+ while (csiescseq.arg[0]-- > 0)
+ tputc(term.lastc);
+ break;
+ case 'C': /* CUF -- Cursor <n> Forward */
+ case 'a': /* HPR -- Cursor <n> Forward */
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(term.c.x + csiescseq.arg[0], term.c.y);
+ break;
+ case 'D': /* CUB -- Cursor <n> Backward */
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(term.c.x - csiescseq.arg[0], term.c.y);
+ break;
+ case 'E': /* CNL -- Cursor <n> Down and first col */
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(0, term.c.y + csiescseq.arg[0]);
+ break;
+ case 'F': /* CPL -- Cursor <n> Up and first col */
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(0, term.c.y - csiescseq.arg[0]);
+ break;
+ case 'g': /* TBC -- Tabulation clear */
+ switch (csiescseq.arg[0]) {
+ case 0: /* clear current tab stop */
+ term.tabs[term.c.x] = 0;
+ break;
+ case 3: /* clear all the tabs */
+ memset(term.tabs, 0, term.col * sizeof(*term.tabs));
+ break;
+ default:
+ goto unknown;
+ }
+ break;
+ case 'G': /* CHA -- Move to <col> */
+ case '`': /* HPA */
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveto(csiescseq.arg[0] - 1, term.c.y);
+ break;
+ case 'H': /* CUP -- Move to <row> <col> */
+ case 'f': /* HVP */
+ DEFAULT(csiescseq.arg[0], 1);
+ DEFAULT(csiescseq.arg[1], 1);
+ tmoveato(csiescseq.arg[1] - 1, csiescseq.arg[0] - 1);
+ break;
+ case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
+ DEFAULT(csiescseq.arg[0], 1);
+ tputtab(csiescseq.arg[0]);
+ break;
+ case 'J': /* ED -- Clear screen */
+ switch (csiescseq.arg[0]) {
+ case 0: /* below */
+ tclearregion(term.c.x, term.c.y, term.col - 1, term.c.y);
+ if (term.c.y < term.row - 1) {
+ tclearregion(0, term.c.y + 1, term.col - 1, term.row - 1);
+ }
+ break;
+ case 1: /* above */
+ if (term.c.y > 0)
+ tclearregion(0, 0, term.col - 1, term.c.y - 1);
+ tclearregion(0, term.c.y, term.c.x, term.c.y);
+ break;
+ case 2: /* all */
+ tclearregion(0, 0, term.col - 1, term.row - 1);
+ break;
+ default:
+ goto unknown;
+ }
+ break;
+ case 'K': /* EL -- Clear line */
+ switch (csiescseq.arg[0]) {
+ case 0: /* right */
+ tclearregion(term.c.x, term.c.y, term.col - 1, term.c.y);
+ break;
+ case 1: /* left */
+ tclearregion(0, term.c.y, term.c.x, term.c.y);
+ break;
+ case 2: /* all */
+ tclearregion(0, term.c.y, term.col - 1, term.c.y);
+ break;
+ }
+ break;
+ case 'S': /* SU -- Scroll <n> line up */
+ if (csiescseq.priv)
+ break;
+ DEFAULT(csiescseq.arg[0], 1);
+ tscrollup(term.top, csiescseq.arg[0]);
+ break;
+ case 'T': /* SD -- Scroll <n> line down */
+ DEFAULT(csiescseq.arg[0], 1);
+ tscrolldown(term.top, csiescseq.arg[0]);
+ break;
+ case 'L': /* IL -- Insert <n> blank lines */
+ DEFAULT(csiescseq.arg[0], 1);
+ tinsertblankline(csiescseq.arg[0]);
+ break;
+ case 'l': /* RM -- Reset Mode */
+ tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
+ break;
+ case 'M': /* DL -- Delete <n> lines */
+ DEFAULT(csiescseq.arg[0], 1);
+ tdeleteline(csiescseq.arg[0]);
+ break;
+ case 'X': /* ECH -- Erase <n> char */
+ DEFAULT(csiescseq.arg[0], 1);
+ tclearregion(term.c.x, term.c.y, term.c.x + csiescseq.arg[0] - 1, term.c.y);
+ break;
+ case 'P': /* DCH -- Delete <n> char */
+ DEFAULT(csiescseq.arg[0], 1);
+ tdeletechar(csiescseq.arg[0]);
+ break;
+ case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
+ DEFAULT(csiescseq.arg[0], 1);
+ tputtab(-csiescseq.arg[0]);
+ break;
+ case 'd': /* VPA -- Move to <row> */
+ DEFAULT(csiescseq.arg[0], 1);
+ tmoveato(term.c.x, csiescseq.arg[0] - 1);
+ break;
+ case 'h': /* SM -- Set terminal mode */
+ tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
+ break;
+ case 'm': /* SGR -- Terminal attribute (color) */
+ tsetattr(csiescseq.arg, csiescseq.narg);
+ break;
+ case 'n': /* DSR -- Device Status Report */
+ switch (csiescseq.arg[0]) {
+ case 5: /* Status Report "OK" `0n` */
+ ttywrite("\033[0n", sizeof("\033[0n") - 1, 0);
+ break;
+ case 6: /* Report Cursor Position (CPR) "<row>;<column>R" */
+ len =
+ snprintf(buf, sizeof(buf), "\033[%i;%iR", term.c.y + 1, term.c.x + 1);
+ ttywrite(buf, len, 0);
+ break;
+ default:
+ goto unknown;
+ }
+ break;
+ case 'r': /* DECSTBM -- Set Scrolling Region */
+ if (csiescseq.priv) {
+ goto unknown;
+ } else {
+ DEFAULT(csiescseq.arg[0], 1);
+ DEFAULT(csiescseq.arg[1], term.row);
+ tsetscroll(csiescseq.arg[0] - 1, csiescseq.arg[1] - 1);
+ tmoveato(0, 0);
+ }
+ break;
+ case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
+ tcursor(CURSOR_SAVE);
+ break;
+ case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
+ if (csiescseq.priv) {
+ goto unknown;
+ } else {
+ tcursor(CURSOR_LOAD);
+ }
+ break;
+ case ' ':
+ switch (csiescseq.mode[1]) {
+ case 'q': /* DECSCUSR -- Set Cursor Style */
+ if (xsetcursor(csiescseq.arg[0]))
+ goto unknown;
+ break;
+ default:
+ goto unknown;
+ }
+ break;
+ case 't': /* title stack operations */
+ switch (csiescseq.arg[0]) {
+ case 22: /* pust current title on stack */
+ switch (csiescseq.arg[1]) {
+ case 0:
+ case 1:
+ case 2:
+ xpushtitle();
+ break;
+ default:
+ goto unknown;
+ }
+ break;
+ case 23: /* pop last title from stack */
+ switch (csiescseq.arg[1]) {
+ case 0:
+ case 1:
+ case 2:
+ xsettitle(NULL, 1);
+ break;
+ default:
+ goto unknown;
+ }
+ break;
+ default:
+ goto unknown;
+ }
+ }
+}
+
+void csidump(void) {
+ size_t i;
+ uint c;
+
+ fprintf(stderr, "ESC[");
+ for (i = 0; i < csiescseq.len; i++) {
+ c = csiescseq.buf[i] & 0xff;
+ if (isprint(c)) {
+ putc(c, stderr);
+ } else if (c == '\n') {
+ fprintf(stderr, "(\\n)");
+ } else if (c == '\r') {
+ fprintf(stderr, "(\\r)");
+ } else if (c == 0x1b) {
+ fprintf(stderr, "(\\e)");
+ } else {
+ fprintf(stderr, "(%02x)", c);
+ }
+ }
+ putc('\n', stderr);
+}
+
+void csireset(void) { memset(&csiescseq, 0, sizeof(csiescseq)); }
+
+void osc_color_response(int num, int index, int is_osc4) {
+ int n;
+ char buf[32];
+ unsigned char r, g, b;
+
+ if (xgetcolor(is_osc4 ? num : index, &r, &g, &b)) {
+ fprintf(stderr, "erresc: failed to fetch %s color %d\n",
+ is_osc4 ? "osc4" : "osc", is_osc4 ? num : index);
+ return;
+ }
+
+ n = snprintf(buf, sizeof buf, "\033]%s%d;rgb:%02x%02x/%02x%02x/%02x%02x\007",
+ is_osc4 ? "4;" : "", num, r, r, g, g, b, b);
+ if (n < 0 || n >= sizeof(buf)) {
+ fprintf(stderr, "error: %s while printing %s response\n",
+ n < 0 ? "snprintf failed" : "truncation occurred",
+ is_osc4 ? "osc4" : "osc");
+ } else {
+ ttywrite(buf, n, 1);
+ }
+}
+
+void strhandle(void) {
+ char *p = NULL, *dec;
+ int j, narg, par;
+ const struct {
+ int idx;
+ char *str;
+ } osc_table[] = {{defaultfg, "foreground"},
+ {defaultbg, "background"},
+ {defaultcs, "cursor"}};
+
+ term.esc &= ~(ESC_STR_END | ESC_STR);
+ strparse();
+ par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
+
+ switch (strescseq.type) {
+ case ']': /* OSC -- Operating System Command */
+ switch (par) {
+ case 0:
+ if (narg > 1) {
+ xsettitle(strescseq.args[1], 0);
+ xseticontitle(strescseq.args[1]);
+ }
+ return;
+ case 1:
+ if (narg > 1)
+ xseticontitle(strescseq.args[1]);
+ return;
+ case 2:
+ if (narg > 1)
+ xsettitle(strescseq.args[1], 0);
+ return;
+ case 52:
+ if (narg > 2 && allowwindowops) {
+ dec = base64dec(strescseq.args[2]);
+ if (dec) {
+ xsetsel(dec);
+ xclipcopy();
+ } else {
+ fprintf(stderr, "erresc: invalid base64\n");
+ }
+ }
+ return;
+ case 10:
+ case 11:
+ case 12:
+ if (narg < 2)
+ break;
+ p = strescseq.args[1];
+ if ((j = par - 10) < 0 || j >= LEN(osc_table))
+ break; /* shouldn't be possible */
+
+ if (!strcmp(p, "?")) {
+ osc_color_response(par, osc_table[j].idx, 0);
+ } else if (xsetcolorname(osc_table[j].idx, p)) {
+ fprintf(stderr, "erresc: invalid %s color: %s\n", osc_table[j].str, p);
+ } else {
+ tfulldirt();
+ }
+ return;
+ case 4: /* color set */
+ if (narg < 3)
+ break;
+ p = strescseq.args[2];
+ /* FALLTHROUGH */
+ case 104: /* color reset */
+ j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
+
+ if (p && !strcmp(p, "?")) {
+ osc_color_response(j, 0, 1);
+ } else if (xsetcolorname(j, p)) {
+ if (par == 104 && narg <= 1) {
+ xloadcols();
+ return; /* color reset without parameter */
+ }
+ fprintf(stderr, "erresc: invalid color j=%d, p=%s\n", j,
+ p ? p : "(null)");
+ } else {
+ /*
+ * TODO if defaultbg color is changed, borders
+ * are dirty
+ */
+ tfulldirt();
+ }
+ return;
+ }
+ break;
+ case 'k': /* old title set compatibility */
+ xsettitle(strescseq.args[0], 0);
+ return;
+ case 'P': /* DCS -- Device Control String */
+ case '_': /* APC -- Application Program Command */
+ case '^': /* PM -- Privacy Message */
+ return;
+ }
+
+ fprintf(stderr, "erresc: unknown str ");
+ strdump();
+}
+
+void strparse(void) {
+ int c;
+ char *p = strescseq.buf;
+
+ strescseq.narg = 0;
+ strescseq.buf[strescseq.len] = '\0';
+
+ if (*p == '\0')
+ return;
+
+ while (strescseq.narg < STR_ARG_SIZ) {
+ strescseq.args[strescseq.narg++] = p;
+ while ((c = *p) != ';' && c != '\0')
+ ++p;
+ if (c == '\0')
+ return;
+ *p++ = '\0';
+ }
+}
+
+void externalpipe(const Arg *arg) {
+ int to[2];
+ char buf[UTF_SIZ];
+ void (*oldsigpipe)(int);
+ Glyph *bp, *end;
+ int lastpos, n, newline;
+
+ if (pipe(to) == -1)
+ return;
+
+ switch (fork()) {
+ case -1:
+ close(to[0]);
+ close(to[1]);
+ return;
+ case 0:
+ dup2(to[0], STDIN_FILENO);
+ close(to[0]);
+ close(to[1]);
+ execvp(((char **)arg->v)[0], (char **)arg->v);
+ fprintf(stderr, "st: execvp %s\n", ((char **)arg->v)[0]);
+ perror("failed");
+ exit(0);
+ }
+
+ close(to[0]);
+ /* ignore sigpipe for now, in case child exists early */
+ oldsigpipe = signal(SIGPIPE, SIG_IGN);
+ newline = 0;
+ for (n = 0; n < term.row; n++) {
+ bp = TLINE(n);
+ lastpos = MIN(tlinelen(n) + 1, term.col) - 1;
+ if (lastpos < 0)
+ break;
+ end = &bp[lastpos + 1];
+ for (; bp < end; ++bp)
+ if (xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0)
+ break;
+ if ((newline = TLINE(n)[lastpos].mode & ATTR_WRAP))
+ continue;
+ if (xwrite(to[1], "\n", 1) < 0)
+ break;
+ newline = 0;
+ }
+ if (newline)
+ (void)xwrite(to[1], "\n", 1);
+ close(to[1]);
+ /* restore */
+ signal(SIGPIPE, oldsigpipe);
+}
+
+void strdump(void) {
+ size_t i;
+ uint c;
+
+ fprintf(stderr, "ESC%c", strescseq.type);
+ for (i = 0; i < strescseq.len; i++) {
+ c = strescseq.buf[i] & 0xff;
+ if (c == '\0') {
+ putc('\n', stderr);
+ return;
+ } else if (isprint(c)) {
+ putc(c, stderr);
+ } else if (c == '\n') {
+ fprintf(stderr, "(\\n)");
+ } else if (c == '\r') {
+ fprintf(stderr, "(\\r)");
+ } else if (c == 0x1b) {
+ fprintf(stderr, "(\\e)");
+ } else {
+ fprintf(stderr, "(%02x)", c);
+ }
+ }
+ fprintf(stderr, "ESC\\\n");
+}
+
+void strreset(void) {
+ strescseq = (STREscape){
+ .buf = xrealloc(strescseq.buf, STR_BUF_SIZ),
+ .siz = STR_BUF_SIZ,
+ };
+}
+
+void sendbreak(const Arg *arg) {
+ if (tcsendbreak(cmdfd, 0))
+ perror("Error sending break");
+}
+
+void tprinter(char *s, size_t len) {
+ if (iofd != -1 && xwrite(iofd, s, len) < 0) {
+ perror("Error writing to output file");
+ close(iofd);
+ iofd = -1;
+ }
+}
+
+void toggleprinter(const Arg *arg) { term.mode ^= MODE_PRINT; }
+
+void printscreen(const Arg *arg) { tdump(); }
+
+void printsel(const Arg *arg) { tdumpsel(); }
+
+void tdumpsel(void) {
+ char *ptr;
+
+ if ((ptr = getsel())) {
+ tprinter(ptr, strlen(ptr));
+ free(ptr);
+ }
+}
+
+void tdumpline(int n) {
+ char buf[UTF_SIZ];
+ const Glyph *bp, *end;
+
+ bp = &TLINE(n)[0];
+ end = &bp[MIN(tlinelen(n), term.col) - 1];
+ if (bp != end || bp->u != ' ') {
+ for (; bp <= end; ++bp)
+ tprinter(buf, utf8encode(bp->u, buf));
+ }
+ tprinter("\n", 1);
+}
+
+void tdump(void) {
+ int i;
+
+ for (i = 0; i < term.row; ++i)
+ tdumpline(i);
+}
+
+void tputtab(int n) {
+ uint x = term.c.x;
+
+ if (n > 0) {
+ while (x < term.col && n--)
+ for (++x; x < term.col && !term.tabs[x]; ++x)
+ /* nothing */;
+ } else if (n < 0) {
+ while (x > 0 && n++)
+ for (--x; x > 0 && !term.tabs[x]; --x)
+ /* nothing */;
+ }
+ term.c.x = LIMIT(x, 0, term.col - 1);
+}
+
+void tdefutf8(char ascii) {
+ if (ascii == 'G')
+ term.mode |= MODE_UTF8;
+ else if (ascii == '@')
+ term.mode &= ~MODE_UTF8;
+}
+
+void tdeftran(char ascii) {
+ static char cs[] = "0B";
+ static int vcs[] = {CS_GRAPHIC0, CS_USA};
+ char *p;
+
+ if ((p = strchr(cs, ascii)) == NULL) {
+ fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
+ } else {
+ term.trantbl[term.icharset] = vcs[p - cs];
+ }
+}
+
+void tdectest(char c) {
+ int x, y;
+
+ if (c == '8') { /* DEC screen alignment test. */
+ for (x = 0; x < term.col; ++x) {
+ for (y = 0; y < term.row; ++y)
+ tsetchar('E', &term.c.attr, x, y);
+ }
+ }
+}
+
+void tstrsequence(uchar c) {
+ switch (c) {
+ case 0x90: /* DCS -- Device Control String */
+ c = 'P';
+ break;
+ case 0x9f: /* APC -- Application Program Command */
+ c = '_';
+ break;
+ case 0x9e: /* PM -- Privacy Message */
+ c = '^';
+ break;
+ case 0x9d: /* OSC -- Operating System Command */
+ c = ']';
+ break;
+ }
+ strreset();
+ strescseq.type = c;
+ term.esc |= ESC_STR;
+}
+
+void tcontrolcode(uchar ascii) {
+ switch (ascii) {
+ case '\t': /* HT */
+ tputtab(1);
+ return;
+ case '\b': /* BS */
+ tmoveto(term.c.x - 1, term.c.y);
+ return;
+ case '\r': /* CR */
+ tmoveto(0, term.c.y);
+ return;
+ case '\f': /* LF */
+ case '\v': /* VT */
+ case '\n': /* LF */
+ /* go to first col if the mode is set */
+ tnewline(IS_SET(MODE_CRLF));
+ return;
+ case '\a': /* BEL */
+ if (term.esc & ESC_STR_END) {
+ /* backwards compatibility to xterm */
+ strhandle();
+ } else {
+ xbell();
+ }
+ break;
+ case '\033': /* ESC */
+ csireset();
+ term.esc &= ~(ESC_CSI | ESC_ALTCHARSET | ESC_TEST);
+ term.esc |= ESC_START;
+ return;
+ case '\016': /* SO (LS1 -- Locking shift 1) */
+ case '\017': /* SI (LS0 -- Locking shift 0) */
+ term.charset = 1 - (ascii - '\016');
+ return;
+ case '\032': /* SUB */
+ tsetchar('?', &term.c.attr, term.c.x, term.c.y);
+ /* FALLTHROUGH */
+ case '\030': /* CAN */
+ csireset();
+ break;
+ case '\005': /* ENQ (IGNORED) */
+ case '\000': /* NUL (IGNORED) */
+ case '\021': /* XON (IGNORED) */
+ case '\023': /* XOFF (IGNORED) */
+ case 0177: /* DEL (IGNORED) */
+ return;
+ case 0x80: /* TODO: PAD */
+ case 0x81: /* TODO: HOP */
+ case 0x82: /* TODO: BPH */
+ case 0x83: /* TODO: NBH */
+ case 0x84: /* TODO: IND */
+ break;
+ case 0x85: /* NEL -- Next line */
+ tnewline(1); /* always go to first col */
+ break;
+ case 0x86: /* TODO: SSA */
+ case 0x87: /* TODO: ESA */
+ break;
+ case 0x88: /* HTS -- Horizontal tab stop */
+ term.tabs[term.c.x] = 1;
+ break;
+ case 0x89: /* TODO: HTJ */
+ case 0x8a: /* TODO: VTS */
+ case 0x8b: /* TODO: PLD */
+ case 0x8c: /* TODO: PLU */
+ case 0x8d: /* TODO: RI */
+ case 0x8e: /* TODO: SS2 */
+ case 0x8f: /* TODO: SS3 */
+ case 0x91: /* TODO: PU1 */
+ case 0x92: /* TODO: PU2 */
+ case 0x93: /* TODO: STS */
+ case 0x94: /* TODO: CCH */
+ case 0x95: /* TODO: MW */
+ case 0x96: /* TODO: SPA */
+ case 0x97: /* TODO: EPA */
+ case 0x98: /* TODO: SOS */
+ case 0x99: /* TODO: SGCI */
+ break;
+ case 0x9a: /* DECID -- Identify Terminal */
+ ttywrite(vtiden, strlen(vtiden), 0);
+ break;
+ case 0x9b: /* TODO: CSI */
+ case 0x9c: /* TODO: ST */
+ break;
+ case 0x90: /* DCS -- Device Control String */
+ case 0x9d: /* OSC -- Operating System Command */
+ case 0x9e: /* PM -- Privacy Message */
+ case 0x9f: /* APC -- Application Program Command */
+ tstrsequence(ascii);
+ return;
+ }
+ /* only CAN, SUB, \a and C1 chars interrupt a sequence */
+ term.esc &= ~(ESC_STR_END | ESC_STR);
}
/*
* returns 1 when the sequence is finished and it hasn't to read
* more characters for this sequence, otherwise 0
*/
-int
-eschandle(uchar ascii)
-{
- switch (ascii) {
- case '[':
- term.esc |= ESC_CSI;
- return 0;
- case '#':
- term.esc |= ESC_TEST;
- return 0;
- case '%':
- term.esc |= ESC_UTF8;
- return 0;
- case 'P': /* DCS -- Device Control String */
- case '_': /* APC -- Application Program Command */
- case '^': /* PM -- Privacy Message */
- case ']': /* OSC -- Operating System Command */
- case 'k': /* old title set compatibility */
- tstrsequence(ascii);
- return 0;
- case 'n': /* LS2 -- Locking shift 2 */
- case 'o': /* LS3 -- Locking shift 3 */
- term.charset = 2 + (ascii - 'n');
- break;
- case '(': /* GZD4 -- set primary charset G0 */
- case ')': /* G1D4 -- set secondary charset G1 */
- case '*': /* G2D4 -- set tertiary charset G2 */
- case '+': /* G3D4 -- set quaternary charset G3 */
- term.icharset = ascii - '(';
- term.esc |= ESC_ALTCHARSET;
- return 0;
- case 'D': /* IND -- Linefeed */
- if (term.c.y == term.bot) {
- tscrollup(term.top, 1);
- } else {
- tmoveto(term.c.x, term.c.y+1);
- }
- break;
- case 'E': /* NEL -- Next line */
- tnewline(1); /* always go to first col */
- break;
- case 'H': /* HTS -- Horizontal tab stop */
- term.tabs[term.c.x] = 1;
- break;
- case 'M': /* RI -- Reverse index */
- if (term.c.y == term.top) {
- tscrolldown(term.top, 1);
- } else {
- tmoveto(term.c.x, term.c.y-1);
- }
- break;
- case 'Z': /* DECID -- Identify Terminal */
- ttywrite(vtiden, strlen(vtiden), 0);
- break;
- case 'c': /* RIS -- Reset to initial state */
- treset();
- xfreetitlestack();
- resettitle();
- xloadcols();
- xsetmode(0, MODE_HIDE);
- break;
- case '=': /* DECPAM -- Application keypad */
- xsetmode(1, MODE_APPKEYPAD);
- break;
- case '>': /* DECPNM -- Normal keypad */
- xsetmode(0, MODE_APPKEYPAD);
- break;
- case '7': /* DECSC -- Save Cursor */
- tcursor(CURSOR_SAVE);
- break;
- case '8': /* DECRC -- Restore Cursor */
- tcursor(CURSOR_LOAD);
- break;
- case '\\': /* ST -- String Terminator */
- if (term.esc & ESC_STR_END)
- strhandle();
- break;
- default:
- fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
- (uchar) ascii, isprint(ascii)? ascii:'.');
- break;
- }
- return 1;
-}
-
-void
-tputc(Rune u)
-{
- char c[UTF_SIZ];
- int control;
- int width, len;
- Glyph *gp;
-
- control = ISCONTROL(u);
- if (u < 127 || !IS_SET(MODE_UTF8)) {
- c[0] = u;
- width = len = 1;
- } else {
- len = utf8encode(u, c);
- if (!control && (width = wcwidth(u)) == -1)
- width = 1;
- }
-
- if (IS_SET(MODE_PRINT))
- tprinter(c, len);
-
- /*
- * STR sequence must be checked before anything else
- * because it uses all following characters until it
- * receives a ESC, a SUB, a ST or any other C1 control
- * character.
- */
- if (term.esc & ESC_STR) {
- if (u == '\a' || u == 030 || u == 032 || u == 033 ||
- ISCONTROLC1(u)) {
- term.esc &= ~(ESC_START|ESC_STR);
- term.esc |= ESC_STR_END;
- goto check_control_code;
- }
-
- if (strescseq.len+len >= strescseq.siz) {
- /*
- * Here is a bug in terminals. If the user never sends
- * some code to stop the str or esc command, then st
- * will stop responding. But this is better than
- * silently failing with unknown characters. At least
- * then users will report back.
- *
- * In the case users ever get fixed, here is the code:
- */
- /*
- * term.esc = 0;
- * strhandle();
- */
- if (strescseq.siz > (SIZE_MAX - UTF_SIZ) / 2)
- return;
- strescseq.siz *= 2;
- strescseq.buf = xrealloc(strescseq.buf, strescseq.siz);
- }
-
- memmove(&strescseq.buf[strescseq.len], c, len);
- strescseq.len += len;
- return;
- }
+int eschandle(uchar ascii) {
+ switch (ascii) {
+ case '[':
+ term.esc |= ESC_CSI;
+ return 0;
+ case '#':
+ term.esc |= ESC_TEST;
+ return 0;
+ case '%':
+ term.esc |= ESC_UTF8;
+ return 0;
+ case 'P': /* DCS -- Device Control String */
+ case '_': /* APC -- Application Program Command */
+ case '^': /* PM -- Privacy Message */
+ case ']': /* OSC -- Operating System Command */
+ case 'k': /* old title set compatibility */
+ tstrsequence(ascii);
+ return 0;
+ case 'n': /* LS2 -- Locking shift 2 */
+ case 'o': /* LS3 -- Locking shift 3 */
+ term.charset = 2 + (ascii - 'n');
+ break;
+ case '(': /* GZD4 -- set primary charset G0 */
+ case ')': /* G1D4 -- set secondary charset G1 */
+ case '*': /* G2D4 -- set tertiary charset G2 */
+ case '+': /* G3D4 -- set quaternary charset G3 */
+ term.icharset = ascii - '(';
+ term.esc |= ESC_ALTCHARSET;
+ return 0;
+ case 'D': /* IND -- Linefeed */
+ if (term.c.y == term.bot) {
+ tscrollup(term.top, 1);
+ } else {
+ tmoveto(term.c.x, term.c.y + 1);
+ }
+ break;
+ case 'E': /* NEL -- Next line */
+ tnewline(1); /* always go to first col */
+ break;
+ case 'H': /* HTS -- Horizontal tab stop */
+ term.tabs[term.c.x] = 1;
+ break;
+ case 'M': /* RI -- Reverse index */
+ if (term.c.y == term.top) {
+ tscrolldown(term.top, 1);
+ } else {
+ tmoveto(term.c.x, term.c.y - 1);
+ }
+ break;
+ case 'Z': /* DECID -- Identify Terminal */
+ ttywrite(vtiden, strlen(vtiden), 0);
+ break;
+ case 'c': /* RIS -- Reset to initial state */
+ treset();
+ xfreetitlestack();
+ resettitle();
+ xloadcols();
+ xsetmode(0, MODE_HIDE);
+ break;
+ case '=': /* DECPAM -- Application keypad */
+ xsetmode(1, MODE_APPKEYPAD);
+ break;
+ case '>': /* DECPNM -- Normal keypad */
+ xsetmode(0, MODE_APPKEYPAD);
+ break;
+ case '7': /* DECSC -- Save Cursor */
+ tcursor(CURSOR_SAVE);
+ break;
+ case '8': /* DECRC -- Restore Cursor */
+ tcursor(CURSOR_LOAD);
+ break;
+ case '\\': /* ST -- String Terminator */
+ if (term.esc & ESC_STR_END)
+ strhandle();
+ break;
+ default:
+ fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", (uchar)ascii,
+ isprint(ascii) ? ascii : '.');
+ break;
+ }
+ return 1;
+}
+
+void tputc(Rune u) {
+ char c[UTF_SIZ];
+ int control;
+ int width, len;
+ Glyph *gp;
+
+ control = ISCONTROL(u);
+ if (u < 127 || !IS_SET(MODE_UTF8)) {
+ c[0] = u;
+ width = len = 1;
+ } else {
+ len = utf8encode(u, c);
+ if (!control && (width = wcwidth(u)) == -1)
+ width = 1;
+ }
+
+ if (IS_SET(MODE_PRINT))
+ tprinter(c, len);
+
+ /*
+ * STR sequence must be checked before anything else
+ * because it uses all following characters until it
+ * receives a ESC, a SUB, a ST or any other C1 control
+ * character.
+ */
+ if (term.esc & ESC_STR) {
+ if (u == '\a' || u == 030 || u == 032 || u == 033 || ISCONTROLC1(u)) {
+ term.esc &= ~(ESC_START | ESC_STR);
+ term.esc |= ESC_STR_END;
+ goto check_control_code;
+ }
+
+ if (strescseq.len + len >= strescseq.siz) {
+ /*
+ * Here is a bug in terminals. If the user never sends
+ * some code to stop the str or esc command, then st
+ * will stop responding. But this is better than
+ * silently failing with unknown characters. At least
+ * then users will report back.
+ *
+ * In the case users ever get fixed, here is the code:
+ */
+ /*
+ * term.esc = 0;
+ * strhandle();
+ */
+ if (strescseq.siz > (SIZE_MAX - UTF_SIZ) / 2)
+ return;
+ strescseq.siz *= 2;
+ strescseq.buf = xrealloc(strescseq.buf, strescseq.siz);
+ }
+
+ memmove(&strescseq.buf[strescseq.len], c, len);
+ strescseq.len += len;
+ return;
+ }
check_control_code:
- /*
- * Actions of control codes must be performed as soon they arrive
- * because they can be embedded inside a control sequence, and
- * they must not cause conflicts with sequences.
- */
- if (control) {
- /* in UTF-8 mode ignore handling C1 control characters */
- if (IS_SET(MODE_UTF8) && ISCONTROLC1(u))
- return;
- tcontrolcode(u);
- /*
- * control codes are not shown ever
- */
- if (!term.esc)
- term.lastc = 0;
- return;
- } else if (term.esc & ESC_START) {
- if (term.esc & ESC_CSI) {
- csiescseq.buf[csiescseq.len++] = u;
- if (BETWEEN(u, 0x40, 0x7E)
- || csiescseq.len >= \
- sizeof(csiescseq.buf)-1) {
- term.esc = 0;
- csiparse();
- csihandle();
- }
- return;
- } else if (term.esc & ESC_UTF8) {
- tdefutf8(u);
- } else if (term.esc & ESC_ALTCHARSET) {
- tdeftran(u);
- } else if (term.esc & ESC_TEST) {
- tdectest(u);
- } else {
- if (!eschandle(u))
- return;
- /* sequence already finished */
- }
- term.esc = 0;
- /*
- * All characters which form part of a sequence are not
- * printed
- */
- return;
- }
- if (selected(term.c.x, term.c.y))
- selclear();
-
- gp = &TLINE(term.c.y)[term.c.x];
- if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
- gp->mode |= ATTR_WRAP;
- tnewline(1);
- gp = &TLINE(term.c.y)[term.c.x];
- }
-
- if (IS_SET(MODE_INSERT) && term.c.x+width < term.col) {
- memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
- gp->mode &= ~ATTR_WIDE;
- }
-
- if (term.c.x+width > term.col) {
- if (IS_SET(MODE_WRAP))
- tnewline(1);
- else
- tmoveto(term.col - width, term.c.y);
- gp = &TLINE(term.c.y)[term.c.x];
- }
-
- tsetchar(u, &term.c.attr, term.c.x, term.c.y);
- term.lastc = u;
-
- if (width == 2) {
- gp->mode |= ATTR_WIDE;
- if (term.c.x+1 < term.col) {
- if (gp[1].mode == ATTR_WIDE && term.c.x+2 < term.col) {
- gp[2].u = ' ';
- gp[2].mode &= ~ATTR_WDUMMY;
- }
- gp[1].u = '\0';
- gp[1].mode = ATTR_WDUMMY;
- }
- }
- if (term.c.x+width < term.col) {
- tmoveto(term.c.x+width, term.c.y);
- } else {
- term.c.state |= CURSOR_WRAPNEXT;
- }
-}
-
-int
-twrite(const char *buf, int buflen, int show_ctrl)
-{
- int charsize;
- Rune u;
- int n;
-
- if (TSCREEN.off) {
- TSCREEN.off = 0;
- tfulldirt();
- }
-
- for (n = 0; n < buflen; n += charsize) {
- if (IS_SET(MODE_UTF8)) {
- /* process a complete utf8 char */
- charsize = utf8decode(buf + n, &u, buflen - n);
- if (charsize == 0)
- break;
- } else {
- u = buf[n] & 0xFF;
- charsize = 1;
- }
- if (show_ctrl && ISCONTROL(u)) {
- if (u & 0x80) {
- u &= 0x7f;
- tputc('^');
- tputc('[');
- } else if (u != '\n' && u != '\r' && u != '\t') {
- u ^= 0x40;
- tputc('^');
- }
- }
- tputc(u);
- }
- return n;
-}
-
-void
-clearline(Line line, Glyph g, int x, int xend)
-{
- int i;
- g.mode = 0;
- g.u = ' ';
- for (i = x; i < xend; ++i) {
- line[i] = g;
- }
-}
-
-Line
-ensureline(Line line)
-{
- if (!line) {
- line = xmalloc(term.linelen * sizeof(Glyph));
- }
- return line;
-}
-
-void
-tresize(int col, int row)
-{
- int i, j;
- int minrow = MIN(row, term.row);
- int mincol = MIN(col, term.col);
- int linelen = MAX(col, term.linelen);
- int *bp;
-
- if (col < 1 || row < 1 || row > HISTSIZE) {
- fprintf(stderr,
- "tresize: error resizing to %dx%d\n", col, row);
- return;
- }
-
- /* Shift buffer to keep the cursor where we expect it */
- if (row <= term.c.y) {
- term.screen[0].cur = (term.screen[0].cur - row + term.c.y + 1) % term.screen[0].size;
- }
-
- /* Resize and clear line buffers as needed */
- if (linelen > term.linelen) {
- for (i = 0; i < term.screen[0].size; ++i) {
- if (term.screen[0].buffer[i]) {
- term.screen[0].buffer[i] = xrealloc(term.screen[0].buffer[i], linelen * sizeof(Glyph));
- clearline(term.screen[0].buffer[i], term.c.attr, term.linelen, linelen);
- }
- }
- for (i = 0; i < minrow; ++i) {
- term.screen[1].buffer[i] = xrealloc(term.screen[1].buffer[i], linelen * sizeof(Glyph));
- clearline(term.screen[1].buffer[i], term.c.attr, term.linelen, linelen);
- }
- }
- /* Allocate all visible lines for regular line buffer */
- for (j = term.screen[0].cur, i = 0; i < row; ++i, j = (j + 1) % term.screen[0].size)
- {
- if (!term.screen[0].buffer[j]) {
- term.screen[0].buffer[j] = xmalloc(linelen * sizeof(Glyph));
- }
- if (i >= term.row) {
- clearline(term.screen[0].buffer[j], term.c.attr, 0, linelen);
- }
- }
- /* Resize alt screen */
- term.screen[1].cur = 0;
- term.screen[1].size = row;
- for (i = row; i < term.row; ++i) {
- free(term.screen[1].buffer[i]);
- }
- term.screen[1].buffer = xrealloc(term.screen[1].buffer, row * sizeof(Line));
- for (i = term.row; i < row; ++i) {
- term.screen[1].buffer[i] = xmalloc(linelen * sizeof(Glyph));
- clearline(term.screen[1].buffer[i], term.c.attr, 0, linelen);
- }
-
- /* resize to new height */
- term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
- term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
-
- /* fix tabstops */
- if (col > term.col) {
- bp = term.tabs + term.col;
-
- memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
- while (--bp > term.tabs && !*bp)
- /* nothing */ ;
- for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
- *bp = 1;
- }
-
- /* update terminal size */
- term.col = col;
- term.row = row;
- term.linelen = linelen;
- /* reset scrolling region */
- tsetscroll(0, row-1);
- /* make use of the LIMIT in tmoveto */
- tmoveto(term.c.x, term.c.y);
- tfulldirt();
-}
-
-void
-resettitle(void)
-{
- xsettitle(NULL, 0);
-}
-
-void
-drawregion(int x1, int y1, int x2, int y2)
-{
- int y, L;
-
- L = TLINEOFFSET(y1);
- for (y = y1; y < y2; y++) {
- if (term.dirty[y]) {
- term.dirty[y] = 0;
- xdrawline(TSCREEN.buffer[L], x1, y, x2);
- }
- L = (L + 1) % TSCREEN.size;
- }
-}
-
-void
-draw(void)
-{
- int cx = term.c.x, ocx = term.ocx, ocy = term.ocy;
-
- if (!xstartdraw())
- return;
-
- /* adjust cursor position */
- LIMIT(term.ocx, 0, term.col-1);
- LIMIT(term.ocy, 0, term.row-1);
- if (TLINE(term.ocy)[term.ocx].mode & ATTR_WDUMMY)
- term.ocx--;
- if (TLINE(term.c.y)[cx].mode & ATTR_WDUMMY)
- cx--;
-
- drawregion(0, 0, term.col, term.row);
- if (TSCREEN.off == 0)
- xdrawcursor(cx, term.c.y, TLINE(term.c.y)[cx],
- term.ocx, term.ocy, TLINE(term.ocy)[term.ocx],
- TLINE(term.ocy), term.col);
- term.ocx = cx;
- term.ocy = term.c.y;
- xfinishdraw();
- if (ocx != term.ocx || ocy != term.ocy)
- xximspot(term.ocx, term.ocy);
-}
-
-void
-redraw(void)
-{
- tfulldirt();
- draw();
-}
-
-int
-daddch(URLdfa *dfa, char c)
-{
- /* () and [] can appear in urls, but excluding them here will reduce false
- * positives when figuring out where a given url ends.
- */
- static const char URLCHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
- "abcdefghijklmnopqrstuvwxyz"
- "0123456789-._~:/?#@!$&'*+,;=%";
- static const char RPFX[] = "//:sptth";
-
- if (!strchr(URLCHARS, c)) {
- dfa->length = 0;
- dfa->state = 0;
-
- return 0;
- }
-
- dfa->length++;
-
- if (dfa->state == 2 && c == '/') {
- dfa->state = 0;
- } else if (dfa->state == 3 && c == 'p') {
- dfa->state++;
- } else if (c != RPFX[dfa->state]) {
- dfa->state = 0;
- return 0;
- }
-
- if (dfa->state++ == 7) {
- dfa->state = 0;
- return 1;
- }
-
- return 0;
+ /*
+ * Actions of control codes must be performed as soon they arrive
+ * because they can be embedded inside a control sequence, and
+ * they must not cause conflicts with sequences.
+ */
+ if (control) {
+ /* in UTF-8 mode ignore handling C1 control characters */
+ if (IS_SET(MODE_UTF8) && ISCONTROLC1(u))
+ return;
+ tcontrolcode(u);
+ /*
+ * control codes are not shown ever
+ */
+ if (!term.esc)
+ term.lastc = 0;
+ return;
+ } else if (term.esc & ESC_START) {
+ if (term.esc & ESC_CSI) {
+ csiescseq.buf[csiescseq.len++] = u;
+ if (BETWEEN(u, 0x40, 0x7E) ||
+ csiescseq.len >= sizeof(csiescseq.buf) - 1) {
+ term.esc = 0;
+ csiparse();
+ csihandle();
+ }
+ return;
+ } else if (term.esc & ESC_UTF8) {
+ tdefutf8(u);
+ } else if (term.esc & ESC_ALTCHARSET) {
+ tdeftran(u);
+ } else if (term.esc & ESC_TEST) {
+ tdectest(u);
+ } else {
+ if (!eschandle(u))
+ return;
+ /* sequence already finished */
+ }
+ term.esc = 0;
+ /*
+ * All characters which form part of a sequence are not
+ * printed
+ */
+ return;
+ }
+ if (selected(term.c.x, term.c.y))
+ selclear();
+
+ gp = &TLINE(term.c.y)[term.c.x];
+ if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
+ gp->mode |= ATTR_WRAP;
+ tnewline(1);
+ gp = &TLINE(term.c.y)[term.c.x];
+ }
+
+ if (IS_SET(MODE_INSERT) && term.c.x + width < term.col) {
+ memmove(gp + width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
+ gp->mode &= ~ATTR_WIDE;
+ }
+
+ if (term.c.x + width > term.col) {
+ if (IS_SET(MODE_WRAP))
+ tnewline(1);
+ else
+ tmoveto(term.col - width, term.c.y);
+ gp = &TLINE(term.c.y)[term.c.x];
+ }
+
+ tsetchar(u, &term.c.attr, term.c.x, term.c.y);
+ term.lastc = u;
+
+ if (width == 2) {
+ gp->mode |= ATTR_WIDE;
+ if (term.c.x + 1 < term.col) {
+ if (gp[1].mode == ATTR_WIDE && term.c.x + 2 < term.col) {
+ gp[2].u = ' ';
+ gp[2].mode &= ~ATTR_WDUMMY;
+ }
+ gp[1].u = '\0';
+ gp[1].mode = ATTR_WDUMMY;
+ }
+ }
+ if (term.c.x + width < term.col) {
+ tmoveto(term.c.x + width, term.c.y);
+ } else {
+ term.c.state |= CURSOR_WRAPNEXT;
+ }
+}
+
+int twrite(const char *buf, int buflen, int show_ctrl) {
+ int charsize;
+ Rune u;
+ int n;
+
+ if (TSCREEN.off) {
+ TSCREEN.off = 0;
+ tfulldirt();
+ }
+
+ for (n = 0; n < buflen; n += charsize) {
+ if (IS_SET(MODE_UTF8)) {
+ /* process a complete utf8 char */
+ charsize = utf8decode(buf + n, &u, buflen - n);
+ if (charsize == 0)
+ break;
+ } else {
+ u = buf[n] & 0xFF;
+ charsize = 1;
+ }
+ if (show_ctrl && ISCONTROL(u)) {
+ if (u & 0x80) {
+ u &= 0x7f;
+ tputc('^');
+ tputc('[');
+ } else if (u != '\n' && u != '\r' && u != '\t') {
+ u ^= 0x40;
+ tputc('^');
+ }
+ }
+ tputc(u);
+ }
+ return n;
+}
+
+void clearline(Line line, Glyph g, int x, int xend) {
+ int i;
+ g.mode = 0;
+ g.u = ' ';
+ for (i = x; i < xend; ++i) {
+ line[i] = g;
+ }
+}
+
+Line ensureline(Line line) {
+ if (!line) {
+ line = xmalloc(term.linelen * sizeof(Glyph));
+ }
+ return line;
+}
+
+void tresize(int col, int row) {
+ int i, j;
+ int minrow = MIN(row, term.row);
+ int mincol = MIN(col, term.col);
+ int linelen = MAX(col, term.linelen);
+ int *bp;
+
+ if (col < 1 || row < 1 || row > HISTSIZE) {
+ fprintf(stderr, "tresize: error resizing to %dx%d\n", col, row);
+ return;
+ }
+
+ /* Shift buffer to keep the cursor where we expect it */
+ if (row <= term.c.y) {
+ term.screen[0].cur =
+ (term.screen[0].cur - row + term.c.y + 1) % term.screen[0].size;
+ }
+
+ /* Resize and clear line buffers as needed */
+ if (linelen > term.linelen) {
+ for (i = 0; i < term.screen[0].size; ++i) {
+ if (term.screen[0].buffer[i]) {
+ term.screen[0].buffer[i] =
+ xrealloc(term.screen[0].buffer[i], linelen * sizeof(Glyph));
+ clearline(term.screen[0].buffer[i], term.c.attr, term.linelen, linelen);
+ }
+ }
+ for (i = 0; i < minrow; ++i) {
+ term.screen[1].buffer[i] =
+ xrealloc(term.screen[1].buffer[i], linelen * sizeof(Glyph));
+ clearline(term.screen[1].buffer[i], term.c.attr, term.linelen, linelen);
+ }
+ }
+ /* Allocate all visible lines for regular line buffer */
+ for (j = term.screen[0].cur, i = 0; i < row;
+ ++i, j = (j + 1) % term.screen[0].size) {
+ if (!term.screen[0].buffer[j]) {
+ term.screen[0].buffer[j] = xmalloc(linelen * sizeof(Glyph));
+ }
+ if (i >= term.row) {
+ clearline(term.screen[0].buffer[j], term.c.attr, 0, linelen);
+ }
+ }
+ /* Resize alt screen */
+ term.screen[1].cur = 0;
+ term.screen[1].size = row;
+ for (i = row; i < term.row; ++i) {
+ free(term.screen[1].buffer[i]);
+ }
+ term.screen[1].buffer = xrealloc(term.screen[1].buffer, row * sizeof(Line));
+ for (i = term.row; i < row; ++i) {
+ term.screen[1].buffer[i] = xmalloc(linelen * sizeof(Glyph));
+ clearline(term.screen[1].buffer[i], term.c.attr, 0, linelen);
+ }
+
+ /* resize to new height */
+ term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
+ term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
+
+ /* fix tabstops */
+ if (col > term.col) {
+ bp = term.tabs + term.col;
+
+ memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
+ while (--bp > term.tabs && !*bp)
+ /* nothing */;
+ for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
+ *bp = 1;
+ }
+
+ /* update terminal size */
+ term.col = col;
+ term.row = row;
+ term.linelen = linelen;
+ /* reset scrolling region */
+ tsetscroll(0, row - 1);
+ /* make use of the LIMIT in tmoveto */
+ tmoveto(term.c.x, term.c.y);
+ tfulldirt();
+}
+
+void resettitle(void) { xsettitle(NULL, 0); }
+
+void drawregion(int x1, int y1, int x2, int y2) {
+ int y, L;
+
+ L = TLINEOFFSET(y1);
+ for (y = y1; y < y2; y++) {
+ if (term.dirty[y]) {
+ term.dirty[y] = 0;
+ xdrawline(TSCREEN.buffer[L], x1, y, x2);
+ }
+ L = (L + 1) % TSCREEN.size;
+ }
+}
+
+void draw(void) {
+ int cx = term.c.x, ocx = term.ocx, ocy = term.ocy;
+
+ if (!xstartdraw())
+ return;
+
+ /* adjust cursor position */
+ LIMIT(term.ocx, 0, term.col - 1);
+ LIMIT(term.ocy, 0, term.row - 1);
+ if (TLINE(term.ocy)[term.ocx].mode & ATTR_WDUMMY)
+ term.ocx--;
+ if (TLINE(term.c.y)[cx].mode & ATTR_WDUMMY)
+ cx--;
+
+ drawregion(0, 0, term.col, term.row);
+ if (TSCREEN.off == 0)
+ xdrawcursor(cx, term.c.y, TLINE(term.c.y)[cx], term.ocx, term.ocy,
+ TLINE(term.ocy)[term.ocx], TLINE(term.ocy), term.col);
+ term.ocx = cx;
+ term.ocy = term.c.y;
+ xfinishdraw();
+ if (ocx != term.ocx || ocy != term.ocy)
+ xximspot(term.ocx, term.ocy);
+}
+
+void redraw(void) {
+ tfulldirt();
+ draw();
+}
+
+int daddch(URLdfa *dfa, char c) {
+ /* () and [] can appear in urls, but excluding them here will reduce false
+ * positives when figuring out where a given url ends.
+ */
+ static const char URLCHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz"
+ "0123456789-._~:/?#@!$&'*+,;=%";
+ static const char RPFX[] = "//:sptth";
+
+ if (!strchr(URLCHARS, c)) {
+ dfa->length = 0;
+ dfa->state = 0;
+
+ return 0;
+ }
+
+ dfa->length++;
+
+ if (dfa->state == 2 && c == '/') {
+ dfa->state = 0;
+ } else if (dfa->state == 3 && c == 'p') {
+ dfa->state++;
+ } else if (c != RPFX[dfa->state]) {
+ dfa->state = 0;
+ return 0;
+ }
+
+ if (dfa->state++ == 7) {
+ dfa->state = 0;
+ return 1;
+ }
+
+ return 0;
}
/*
** Select and copy the previous url on screen (do nothing if there's no url).
*/
-void
-copyurl(const Arg *arg) {
- int row = 0, /* row of current URL */
- col = 0, /* column of current URL start */
- colend = 0, /* column of last occurrence */
- passes = 0; /* how many rows have been scanned */
-
- const char *c = NULL,
- *match = NULL;
- URLdfa dfa = { 0 };
-
- row = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.y : term.bot;
- LIMIT(row, term.top, term.bot);
-
- colend = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.x : term.col;
- LIMIT(colend, 0, term.col);
-
- /*
- ** Scan from (term.row - 1,term.col - 1) to (0,0) and find
- ** next occurrance of a URL
- */
- for (passes = 0; passes < term.row; passes++) {
- /* Read in each column of every row until
- ** we hit previous occurrence of URL
- */
- for (col = colend; col--;)
- if (daddch(&dfa, TLINE(row)[col].u < 128 ? TLINE(row)[col].u : ' '))
- break;
-
- if (col >= 0)
- break;
-
- /* .i = 0 --> botton-up
- * .i = 1 --> top-down
- */
- if (!arg->i) {
- if (--row < 0)
- row = term.row - 1;
- } else {
- if (++row >= term.row)
- row = 0;
- }
-
- colend = term.col;
- }
-
- if (passes < term.row) {
- selstart(col, row, 0);
- selextend((col + dfa.length - 1) % term.col, row + (col + dfa.length - 1) / term.col, SEL_REGULAR, 0);
- selextend((col + dfa.length - 1) % term.col, row + (col + dfa.length - 1) / term.col, SEL_REGULAR, 1);
- xsetsel(getsel());
- xclipcopy();
- }
+void copyurl(const Arg *arg) {
+ int row = 0, /* row of current URL */
+ col = 0, /* column of current URL start */
+ colend = 0, /* column of last occurrence */
+ passes = 0; /* how many rows have been scanned */
+
+ const char *c = NULL, *match = NULL;
+ URLdfa dfa = {0};
+
+ row = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.y : term.bot;
+ LIMIT(row, term.top, term.bot);
+
+ colend = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.x : term.col;
+ LIMIT(colend, 0, term.col);
+
+ /*
+ ** Scan from (term.row - 1,term.col - 1) to (0,0) and find
+ ** next occurrance of a URL
+ */
+ for (passes = 0; passes < term.row; passes++) {
+ /* Read in each column of every row until
+ ** we hit previous occurrence of URL
+ */
+ for (col = colend; col--;)
+ if (daddch(&dfa, TLINE(row)[col].u < 128 ? TLINE(row)[col].u : ' '))
+ break;
+
+ if (col >= 0)
+ break;
+
+ /* .i = 0 --> botton-up
+ * .i = 1 --> top-down
+ */
+ if (!arg->i) {
+ if (--row < 0)
+ row = term.row - 1;
+ } else {
+ if (++row >= term.row)
+ row = 0;
+ }
+
+ colend = term.col;
+ }
+
+ if (passes < term.row) {
+ selstart(col, row, 0);
+ selextend((col + dfa.length - 1) % term.col,
+ row + (col + dfa.length - 1) / term.col, SEL_REGULAR, 0);
+ selextend((col + dfa.length - 1) % term.col,
+ row + (col + dfa.length - 1) / term.col, SEL_REGULAR, 1);
+ xsetsel(getsel());
+ xclipcopy();
+ }
}
diff --git a/st.h b/st.h
index 7a11ff9..1baf84f 100644
--- a/st.h
+++ b/st.h
@@ -4,61 +4,51 @@
#include <sys/types.h>
/* macros */
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-#define MAX(a, b) ((a) < (b) ? (b) : (a))
-#define LEN(a) (sizeof(a) / sizeof(a)[0])
-#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
-#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d))
-#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
-#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
-#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
- (a).bg != (b).bg)
-#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
- (t1.tv_nsec-t2.tv_nsec)/1E6)
-#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
-
-#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
-#define IS_TRUECOL(x) (1 << 24 & (x))
-#define HISTSIZE 2000
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MAX(a, b) ((a) < (b) ? (b) : (a))
+#define LEN(a) (sizeof(a) / sizeof(a)[0])
+#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
+#define DIVCEIL(n, d) (((n) + ((d)-1)) / (d))
+#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
+#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
+#define ATTRCMP(a, b) \
+ ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
+#define TIMEDIFF(t1, t2) \
+ ((t1.tv_sec - t2.tv_sec) * 1000 + (t1.tv_nsec - t2.tv_nsec) / 1E6)
+#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
+
+#define TRUECOLOR(r, g, b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
+#define IS_TRUECOL(x) (1 << 24 & (x))
+#define HISTSIZE 2000
enum glyph_attribute {
- ATTR_NULL = 0,
- ATTR_BOLD = 1 << 0,
- ATTR_FAINT = 1 << 1,
- ATTR_ITALIC = 1 << 2,
- ATTR_UNDERLINE = 1 << 3,
- ATTR_BLINK = 1 << 4,
- ATTR_REVERSE = 1 << 5,
- ATTR_INVISIBLE = 1 << 6,
- ATTR_STRUCK = 1 << 7,
- ATTR_WRAP = 1 << 8,
- ATTR_WIDE = 1 << 9,
- ATTR_WDUMMY = 1 << 10,
- ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
- ATTR_DIRTYUNDERLINE = 1 << 15,
+ ATTR_NULL = 0,
+ ATTR_BOLD = 1 << 0,
+ ATTR_FAINT = 1 << 1,
+ ATTR_ITALIC = 1 << 2,
+ ATTR_UNDERLINE = 1 << 3,
+ ATTR_BLINK = 1 << 4,
+ ATTR_REVERSE = 1 << 5,
+ ATTR_INVISIBLE = 1 << 6,
+ ATTR_STRUCK = 1 << 7,
+ ATTR_WRAP = 1 << 8,
+ ATTR_WIDE = 1 << 9,
+ ATTR_WDUMMY = 1 << 10,
+ ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
+ ATTR_DIRTYUNDERLINE = 1 << 15,
};
enum drawing_mode {
- DRAW_NONE = 0,
- DRAW_BG = 1 << 0,
- DRAW_FG = 1 << 1,
+ DRAW_NONE = 0,
+ DRAW_BG = 1 << 0,
+ DRAW_FG = 1 << 1,
};
-enum selection_mode {
- SEL_IDLE = 0,
- SEL_EMPTY = 1,
- SEL_READY = 2
-};
+enum selection_mode { SEL_IDLE = 0, SEL_EMPTY = 1, SEL_READY = 2 };
-enum selection_type {
- SEL_REGULAR = 1,
- SEL_RECTANGULAR = 2
-};
+enum selection_type { SEL_REGULAR = 1, SEL_RECTANGULAR = 2 };
-enum selection_snap {
- SNAP_WORD = 1,
- SNAP_LINE = 2
-};
+enum selection_snap { SNAP_WORD = 1, SNAP_LINE = 2 };
typedef unsigned char uchar;
typedef unsigned int uint;
@@ -69,22 +59,22 @@ typedef uint_least32_t Rune;
#define Glyph Glyph_
typedef struct {
- Rune u; /* character code */
- ushort mode; /* attribute flags */
- uint32_t fg; /* foreground */
- uint32_t bg; /* background */
- int ustyle; /* underline style */
- int ucolor[3]; /* underline color */
+ Rune u; /* character code */
+ ushort mode; /* attribute flags */
+ uint32_t fg; /* foreground */
+ uint32_t bg; /* background */
+ int ustyle; /* underline style */
+ int ucolor[3]; /* underline color */
} Glyph;
typedef Glyph *Line;
typedef union {
- int i;
- uint ui;
- float f;
- const void *v;
- const char *s;
+ int i;
+ uint ui;
+ float f;
+ const void *v;
+ const char *s;
} Arg;
void die(const char *, ...);
diff --git a/win.h b/win.h
index 8712eea..8c22148 100644
--- a/win.h
+++ b/win.h
@@ -1,26 +1,25 @@
/* See LICENSE for license details. */
enum win_mode {
- MODE_VISIBLE = 1 << 0,
- MODE_FOCUSED = 1 << 1,
- MODE_APPKEYPAD = 1 << 2,
- MODE_MOUSEBTN = 1 << 3,
- MODE_MOUSEMOTION = 1 << 4,
- MODE_REVERSE = 1 << 5,
- MODE_KBDLOCK = 1 << 6,
- MODE_HIDE = 1 << 7,
- MODE_APPCURSOR = 1 << 8,
- MODE_MOUSESGR = 1 << 9,
- MODE_8BIT = 1 << 10,
- MODE_BLINK = 1 << 11,
- MODE_FBLINK = 1 << 12,
- MODE_FOCUS = 1 << 13,
- MODE_MOUSEX10 = 1 << 14,
- MODE_MOUSEMANY = 1 << 15,
- MODE_BRCKTPASTE = 1 << 16,
- MODE_NUMLOCK = 1 << 17,
- MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
- |MODE_MOUSEMANY,
+ MODE_VISIBLE = 1 << 0,
+ MODE_FOCUSED = 1 << 1,
+ MODE_APPKEYPAD = 1 << 2,
+ MODE_MOUSEBTN = 1 << 3,
+ MODE_MOUSEMOTION = 1 << 4,
+ MODE_REVERSE = 1 << 5,
+ MODE_KBDLOCK = 1 << 6,
+ MODE_HIDE = 1 << 7,
+ MODE_APPCURSOR = 1 << 8,
+ MODE_MOUSESGR = 1 << 9,
+ MODE_8BIT = 1 << 10,
+ MODE_BLINK = 1 << 11,
+ MODE_FBLINK = 1 << 12,
+ MODE_FOCUS = 1 << 13,
+ MODE_MOUSEX10 = 1 << 14,
+ MODE_MOUSEMANY = 1 << 15,
+ MODE_BRCKTPASTE = 1 << 16,
+ MODE_NUMLOCK = 1 << 17,
+ MODE_MOUSE = MODE_MOUSEBTN | MODE_MOUSEMOTION | MODE_MOUSEX10 | MODE_MOUSEMANY,
};
void xbell(void);
diff --git a/x.c b/x.c
index 0af272d..2ce0f17 100644
--- a/x.c
+++ b/x.c
@@ -1,21 +1,21 @@
/* See LICENSE for license details. */
+#include <X11/XKBlib.h>
+#include <X11/Xatom.h>
+#include <X11/Xft/Xft.h>
+#include <X11/Xlib.h>
+#include <X11/Xresource.h>
+#include <X11/cursorfont.h>
+#include <X11/keysym.h>
#include <errno.h>
-#include <math.h>
+#include <libgen.h>
#include <limits.h>
#include <locale.h>
+#include <math.h>
#include <signal.h>
#include <stdlib.h>
#include <sys/select.h>
#include <time.h>
#include <unistd.h>
-#include <libgen.h>
-#include <X11/Xatom.h>
-#include <X11/Xlib.h>
-#include <X11/cursorfont.h>
-#include <X11/keysym.h>
-#include <X11/Xft/Xft.h>
-#include <X11/XKBlib.h>
-#include <X11/Xresource.h>
char *argv0;
#include "arg.h"
@@ -24,41 +24,41 @@ char *argv0;
/* types used in config.h */
typedef struct {
- uint mod;
- KeySym keysym;
- void (*func)(const Arg *);
- const Arg arg;
+ uint mod;
+ KeySym keysym;
+ void (*func)(const Arg *);
+ const Arg arg;
} Shortcut;
typedef struct {
- uint mod;
- uint button;
- void (*func)(const Arg *);
- const Arg arg;
- uint release;
+ uint mod;
+ uint button;
+ void (*func)(const Arg *);
+ const Arg arg;
+ uint release;
} MouseShortcut;
typedef struct {
- KeySym k;
- uint mask;
- char *s;
- /* three-valued logic variables: 0 indifferent, 1 on, -1 off */
- signed char appkey; /* application keypad */
- signed char appcursor; /* application cursor */
+ KeySym k;
+ uint mask;
+ char *s;
+ /* three-valued logic variables: 0 indifferent, 1 on, -1 off */
+ signed char appkey; /* application keypad */
+ signed char appcursor; /* application cursor */
} Key;
/* Undercurl slope types */
enum undercurl_slope_type {
- UNDERCURL_SLOPE_ASCENDING = 0,
- UNDERCURL_SLOPE_TOP_CAP = 1,
- UNDERCURL_SLOPE_DESCENDING = 2,
- UNDERCURL_SLOPE_BOTTOM_CAP = 3
+ UNDERCURL_SLOPE_ASCENDING = 0,
+ UNDERCURL_SLOPE_TOP_CAP = 1,
+ UNDERCURL_SLOPE_DESCENDING = 2,
+ UNDERCURL_SLOPE_BOTTOM_CAP = 3
};
/* X modifiers */
-#define XK_ANY_MOD UINT_MAX
-#define XK_NO_MOD 0
-#define XK_SWITCH_MOD (1<<13|1<<14)
+#define XK_ANY_MOD UINT_MAX
+#define XK_NO_MOD 0
+#define XK_SWITCH_MOD (1 << 13 | 1 << 14)
/* function definitions used in config.h */
static void clipcopy(const Arg *);
@@ -79,14 +79,14 @@ void kscrolldown(const Arg *);
#define TITLESTACKSIZE 8
/* XEMBED messages */
-#define XEMBED_FOCUS_IN 4
+#define XEMBED_FOCUS_IN 4
#define XEMBED_FOCUS_OUT 5
/* macros */
-#define IS_SET(flag) ((win.mode & (flag)) != 0)
-#define TRUERED(x) (((x) & 0xff0000) >> 8)
-#define TRUEGREEN(x) (((x) & 0xff00))
-#define TRUEBLUE(x) (((x) & 0xff) << 8)
+#define IS_SET(flag) ((win.mode & (flag)) != 0)
+#define TRUERED(x) (((x)&0xff0000) >> 8)
+#define TRUEGREEN(x) (((x)&0xff00))
+#define TRUEBLUE(x) (((x)&0xff) << 8)
typedef XftDraw *Draw;
typedef XftColor Color;
@@ -94,73 +94,75 @@ typedef XftGlyphFontSpec GlyphFontSpec;
/* Purely graphic info */
typedef struct {
- int tw, th; /* tty width and height */
- int w, h; /* window width and height */
- int hborderpx, vborderpx;
- int ch; /* char height */
- int cw; /* char width */
- int cyo; /* char y offset */
- int mode; /* window state/mode flags */
- int cursor; /* cursor style */
+ int tw, th; /* tty width and height */
+ int w, h; /* window width and height */
+ int hborderpx, vborderpx;
+ int ch; /* char height */
+ int cw; /* char width */
+ int cyo; /* char y offset */
+ int mode; /* window state/mode flags */
+ int cursor; /* cursor style */
} TermWindow;
typedef struct {
- Display *dpy;
- Colormap cmap;
- Window win;
- Drawable buf;
- GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
- Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid;
- struct {
- XIM xim;
- XIC xic;
- XPoint spot;
- XVaNestedList spotlist;
- } ime;
- Draw draw;
- Visual *vis;
- XSetWindowAttributes attrs;
- int scr;
- int isfixed; /* is fixed geometry? */
- int depth; /* bit depth */
- int l, t; /* left and top offset */
- int gm; /* geometry mask */
+ Display *dpy;
+ Colormap cmap;
+ Window win;
+ Drawable buf;
+ GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
+ Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid;
+ struct {
+ XIM xim;
+ XIC xic;
+ XPoint spot;
+ XVaNestedList spotlist;
+ } ime;
+ Draw draw;
+ Visual *vis;
+ XSetWindowAttributes attrs;
+ int scr;
+ int isfixed; /* is fixed geometry? */
+ int depth; /* bit depth */
+ int l, t; /* left and top offset */
+ int gm; /* geometry mask */
} XWindow;
typedef struct {
- Atom xtarget;
- char *primary, *clipboard;
- struct timespec tclick1;
- struct timespec tclick2;
+ Atom xtarget;
+ char *primary, *clipboard;
+ struct timespec tclick1;
+ struct timespec tclick2;
} XSelection;
/* Font structure */
#define Font Font_
typedef struct {
- int height;
- int width;
- int ascent;
- int descent;
- int badslant;
- int badweight;
- short lbearing;
- short rbearing;
- XftFont *match;
- FcFontSet *set;
- FcPattern *pattern;
+ int height;
+ int width;
+ int ascent;
+ int descent;
+ int badslant;
+ int badweight;
+ short lbearing;
+ short rbearing;
+ XftFont *match;
+ FcFontSet *set;
+ FcPattern *pattern;
} Font;
/* Drawing Context */
typedef struct {
- Color *col;
- size_t collen;
- Font font, bfont, ifont, ibfont;
- GC gc;
+ Color *col;
+ size_t collen;
+ Font font, bfont, ifont, ibfont;
+ GC gc;
} DC;
static inline ushort sixd_to_16bit(int);
-static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
-static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int, int);
+static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int,
+ int);
+static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int,
+ int);
static void xdrawglyph(Glyph, int, int);
static void xclear(int, int, int, int);
static int xgeommasktogravity(int);
@@ -210,29 +212,29 @@ static void run(void);
static void usage(void);
static void (*handler[LASTEvent])(XEvent *) = {
- [KeyPress] = kpress,
- [ClientMessage] = cmessage,
- [ConfigureNotify] = resize,
- [VisibilityNotify] = visibility,
- [UnmapNotify] = unmap,
- [Expose] = expose,
- [FocusIn] = focus,
- [FocusOut] = focus,
- [MotionNotify] = bmotion,
- [ButtonPress] = bpress,
- [ButtonRelease] = brelease,
-/*
- * Uncomment if you want the selection to disappear when you select something
- * different in another window.
- */
-/* [SelectionClear] = selclear_, */
- [SelectionNotify] = selnotify,
-/*
- * PropertyNotify is only turned on when there is some INCR transfer happening
- * for the selection retrieval.
- */
- [PropertyNotify] = propnotify,
- [SelectionRequest] = selrequest,
+ [KeyPress] = kpress,
+ [ClientMessage] = cmessage,
+ [ConfigureNotify] = resize,
+ [VisibilityNotify] = visibility,
+ [UnmapNotify] = unmap,
+ [Expose] = expose,
+ [FocusIn] = focus,
+ [FocusOut] = focus,
+ [MotionNotify] = bmotion,
+ [ButtonPress] = bpress,
+ [ButtonRelease] = brelease,
+ /*
+ * Uncomment if you want the selection to disappear when you select
+ * something different in another window.
+ */
+ /* [SelectionClear] = selclear_, */
+ [SelectionNotify] = selnotify,
+ /*
+ * PropertyNotify is only turned on when there is some INCR transfer
+ * happening for the selection retrieval.
+ */
+ [PropertyNotify] = propnotify,
+ [SelectionRequest] = selrequest,
};
/* Globals */
@@ -240,21 +242,16 @@ static DC dc;
static XWindow xw;
static XSelection xsel;
static TermWindow win;
-static int tstki; /* title stack index */
+static int tstki; /* title stack index */
static char *titlestack[TITLESTACKSIZE]; /* title stack */
/* Font Ring Cache */
-enum {
- FRC_NORMAL,
- FRC_ITALIC,
- FRC_BOLD,
- FRC_ITALICBOLD
-};
+enum { FRC_NORMAL, FRC_ITALIC, FRC_BOLD, FRC_ITALICBOLD };
typedef struct {
- XftFont *font;
- int flags;
- Rune unicodep;
+ XftFont *font;
+ int flags;
+ Rune unicodep;
} Fontcache;
/* Fontcache is an array now. A new font will be appended to the array. */
@@ -266,2569 +263,2335 @@ static double usedfontsize = 0;
static double defaultfontsize = 0;
static char *opt_class = NULL;
-static char **opt_cmd = NULL;
+static char **opt_cmd = NULL;
static char *opt_embed = NULL;
-static char *opt_font = NULL;
-static char *opt_io = NULL;
-static char *opt_line = NULL;
-static char *opt_name = NULL;
+static char *opt_font = NULL;
+static char *opt_io = NULL;
+static char *opt_line = NULL;
+static char *opt_name = NULL;
static char *opt_title = NULL;
-static char *opt_dir = NULL;
+static char *opt_dir = NULL;
static uint buttons; /* bit field of pressed buttons */
static int cursorblinks = 0;
-void
-clipcopy(const Arg *dummy)
-{
- Atom clipboard;
+void clipcopy(const Arg *dummy) {
+ Atom clipboard;
+
+ free(xsel.clipboard);
+ xsel.clipboard = NULL;
+
+ if (xsel.primary != NULL) {
+ xsel.clipboard = xstrdup(xsel.primary);
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
+ }
+}
+
+void clippaste(const Arg *dummy) {
+ Atom clipboard;
+
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard, xw.win,
+ CurrentTime);
+}
+
+void selpaste(const Arg *dummy) {
+ XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY, xw.win,
+ CurrentTime);
+}
+
+void numlock(const Arg *dummy) { win.mode ^= MODE_NUMLOCK; }
+
+void zoom(const Arg *arg) {
+ Arg larg;
+
+ larg.f = usedfontsize + arg->f;
+ zoomabs(&larg);
+}
+
+void zoomabs(const Arg *arg) {
+ xunloadfonts();
+ xloadfonts(usedfont, arg->f);
+ xloadsparefonts();
+ cresize(0, 0);
+ redraw();
+ xhints();
+}
+
+void zoomreset(const Arg *arg) {
+ Arg larg;
+
+ if (defaultfontsize > 0) {
+ larg.f = defaultfontsize;
+ zoomabs(&larg);
+ }
+}
+
+void ttysend(const Arg *arg) { ttywrite(arg->s, strlen(arg->s), 1); }
+
+int evcol(XEvent *e) {
+ int x = e->xbutton.x - win.hborderpx;
+ LIMIT(x, 0, win.tw - 1);
+ return x / win.cw;
+}
+
+int evrow(XEvent *e) {
+ int y = e->xbutton.y - win.vborderpx;
+ LIMIT(y, 0, win.th - 1);
+ return y / win.ch;
+}
+
+void mousesel(XEvent *e, int done) {
+ int type, seltype = SEL_REGULAR;
+ uint state = e->xbutton.state & ~(Button1Mask | forcemousemod);
+
+ for (type = 1; type < LEN(selmasks); ++type) {
+ if (match(selmasks[type], state)) {
+ seltype = type;
+ break;
+ }
+ }
+ selextend(evcol(e), evrow(e), seltype, done);
+ if (done)
+ setsel(getsel(), e->xbutton.time);
+}
+
+void mousereport(XEvent *e) {
+ int len, btn, code;
+ int x = evcol(e), y = evrow(e);
+ int state = e->xbutton.state;
+ char buf[40];
+ static int ox, oy;
+
+ if (e->type == MotionNotify) {
+ if (x == ox && y == oy)
+ return;
+ if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
+ return;
+ /* MODE_MOUSEMOTION: no reporting if no button is pressed */
+ if (IS_SET(MODE_MOUSEMOTION) && buttons == 0)
+ return;
+ /* Set btn to lowest-numbered pressed button, or 12 if no
+ * buttons are pressed. */
+ for (btn = 1; btn <= 11 && !(buttons & (1 << (btn - 1))); btn++)
+ ;
+ code = 32;
+ } else {
+ btn = e->xbutton.button;
+ /* Only buttons 1 through 11 can be encoded */
+ if (btn < 1 || btn > 11)
+ return;
+ if (e->type == ButtonRelease) {
+ /* MODE_MOUSEX10: no button release reporting */
+ if (IS_SET(MODE_MOUSEX10))
+ return;
+ /* Don't send release events for the scroll wheel */
+ if (btn == 4 || btn == 5)
+ return;
+ }
+ code = 0;
+ }
+
+ ox = x;
+ oy = y;
+
+ /* Encode btn into code. If no button is pressed for a motion event in
+ * MODE_MOUSEMANY, then encode it as a release. */
+ if ((!IS_SET(MODE_MOUSESGR) && e->type == ButtonRelease) || btn == 12)
+ code += 3;
+ else if (btn >= 8)
+ code += 128 + btn - 8;
+ else if (btn >= 4)
+ code += 64 + btn - 4;
+ else
+ code += btn - 1;
+
+ if (!IS_SET(MODE_MOUSEX10)) {
+ code += ((state & ShiftMask) ? 4 : 0) +
+ ((state & Mod1Mask) ? 8 : 0) /* meta key: alt */
+ + ((state & ControlMask) ? 16 : 0);
+ }
+
+ if (IS_SET(MODE_MOUSESGR)) {
+ len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c", code, x + 1, y + 1,
+ e->type == ButtonRelease ? 'm' : 'M');
+ } else if (x < 223 && y < 223) {
+ len = snprintf(buf, sizeof(buf), "\033[M%c%c%c", 32 + code, 32 + x + 1,
+ 32 + y + 1);
+ } else {
+ return;
+ }
+
+ ttywrite(buf, len, 0);
+}
+
+uint buttonmask(uint button) {
+ return button == Button1 ? Button1Mask
+ : button == Button2 ? Button2Mask
+ : button == Button3 ? Button3Mask
+ : button == Button4 ? Button4Mask
+ : button == Button5 ? Button5Mask
+ : 0;
+}
+
+int mouseaction(XEvent *e, uint release) {
+ MouseShortcut *ms;
+
+ /* ignore Button<N>mask for Button<N> - it's set on release */
+ uint state = e->xbutton.state & ~buttonmask(e->xbutton.button);
+
+ for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
+ if (ms->release == release && ms->button == e->xbutton.button &&
+ (match(ms->mod, state) || /* exact or forced */
+ match(ms->mod, state & ~forcemousemod))) {
+ ms->func(&(ms->arg));
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+void bpress(XEvent *e) {
+ int btn = e->xbutton.button;
+ struct timespec now;
+ int snap;
+
+ if (1 <= btn && btn <= 11)
+ buttons |= 1 << (btn - 1);
+
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
+ mousereport(e);
+ return;
+ }
+
+ if (mouseaction(e, 0))
+ return;
+
+ if (btn == Button1) {
+ /*
+ * If the user clicks below predefined timeouts specific
+ * snapping behaviour is exposed.
+ */
+ clock_gettime(CLOCK_MONOTONIC, &now);
+ if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) {
+ snap = SNAP_LINE;
+ } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) {
+ snap = SNAP_WORD;
+ } else {
+ snap = 0;
+ }
+ xsel.tclick2 = xsel.tclick1;
+ xsel.tclick1 = now;
+
+ selstart(evcol(e), evrow(e), snap);
+ }
+}
+
+void propnotify(XEvent *e) {
+ XPropertyEvent *xpev;
+ Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- free(xsel.clipboard);
- xsel.clipboard = NULL;
+ xpev = &e->xproperty;
+ if (xpev->state == PropertyNewValue &&
+ (xpev->atom == XA_PRIMARY || xpev->atom == clipboard)) {
+ selnotify(e);
+ }
+}
+
+void selnotify(XEvent *e) {
+ ulong nitems, ofs, rem;
+ int format;
+ uchar *data, *last, *repl;
+ Atom type, incratom, property = None;
+
+ incratom = XInternAtom(xw.dpy, "INCR", 0);
+
+ ofs = 0;
+ if (e->type == SelectionNotify)
+ property = e->xselection.property;
+ else if (e->type == PropertyNotify)
+ property = e->xproperty.atom;
+
+ if (property == None)
+ return;
+
+ do {
+ if (XGetWindowProperty(xw.dpy, xw.win, property, ofs, BUFSIZ / 4, False,
+ AnyPropertyType, &type, &format, &nitems, &rem,
+ &data)) {
+ fprintf(stderr, "Clipboard allocation failed\n");
+ return;
+ }
+
+ if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
+ /*
+ * If there is some PropertyNotify with no data, then
+ * this is the signal of the selection owner that all
+ * data has been transferred. We won't need to receive
+ * PropertyNotify events anymore.
+ */
+ MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
+ XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
+ }
+
+ if (type == incratom) {
+ /*
+ * Activate the PropertyNotify events so we receive
+ * when the selection owner does send us the next
+ * chunk of data.
+ */
+ MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
+ XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
+
+ /*
+ * Deleting the property is the transfer start signal.
+ */
+ XDeleteProperty(xw.dpy, xw.win, (int)property);
+ continue;
+ }
+
+ /*
+ * As seen in getsel:
+ * Line endings are inconsistent in the terminal and GUI world
+ * copy and pasting. When receiving some selection data,
+ * replace all '\n' with '\r'.
+ * FIXME: Fix the computer world.
+ */
+ repl = data;
+ last = data + nitems * format / 8;
+ while ((repl = memchr(repl, '\n', last - repl))) {
+ *repl++ = '\r';
+ }
+
+ if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
+ ttywrite("\033[200~", 6, 0);
+ ttywrite((char *)data, nitems * format / 8, 1);
+ if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
+ ttywrite("\033[201~", 6, 0);
+ XFree(data);
+ /* number of 32-bit chunks returned */
+ ofs += nitems * format / 32;
+ } while (rem > 0);
+
+ /*
+ * Deleting the property again tells the selection owner to send the
+ * next data chunk in the property.
+ */
+ XDeleteProperty(xw.dpy, xw.win, (int)property);
+}
+
+void xclipcopy(void) { clipcopy(NULL); }
+
+void selclear_(XEvent *e) { selclear(); }
+
+void selrequest(XEvent *e) {
+ XSelectionRequestEvent *xsre;
+ XSelectionEvent xev;
+ Atom xa_targets, string, clipboard;
+ char *seltext;
+
+ xsre = (XSelectionRequestEvent *)e;
+ xev.type = SelectionNotify;
+ xev.requestor = xsre->requestor;
+ xev.selection = xsre->selection;
+ xev.target = xsre->target;
+ xev.time = xsre->time;
+ if (xsre->property == None)
+ xsre->property = xsre->target;
+
+ /* reject */
+ xev.property = None;
+
+ xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
+ if (xsre->target == xa_targets) {
+ /* respond with the supported type */
+ string = xsel.xtarget;
+ XChangeProperty(xsre->display, xsre->requestor, xsre->property, XA_ATOM, 32,
+ PropModeReplace, (uchar *)&string, 1);
+ xev.property = xsre->property;
+ } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) {
+ /*
+ * xith XA_STRING non ascii characters may be incorrect in the
+ * requestor. It is not our problem, use utf8.
+ */
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ if (xsre->selection == XA_PRIMARY) {
+ seltext = xsel.primary;
+ } else if (xsre->selection == clipboard) {
+ seltext = xsel.clipboard;
+ } else {
+ fprintf(stderr, "Unhandled clipboard selection 0x%lx\n", xsre->selection);
+ return;
+ }
+ if (seltext != NULL) {
+ XChangeProperty(xsre->display, xsre->requestor, xsre->property,
+ xsre->target, 8, PropModeReplace, (uchar *)seltext,
+ strlen(seltext));
+ xev.property = xsre->property;
+ }
+ }
+
+ /* all done, send a notification to the listener */
+ if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *)&xev))
+ fprintf(stderr, "Error sending SelectionNotify event\n");
+}
+
+void setsel(char *str, Time t) {
+ if (!str)
+ return;
+
+ free(xsel.primary);
+ xsel.primary = str;
+
+ XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
+ if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
+ selclear();
+}
+
+void xsetsel(char *str) { setsel(str, CurrentTime); }
+
+void brelease(XEvent *e) {
+ int btn = e->xbutton.button;
+
+ if (1 <= btn && btn <= 11)
+ buttons &= ~(1 << (btn - 1));
+
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
+ mousereport(e);
+ return;
+ }
+
+ if (mouseaction(e, 1))
+ return;
+ if (btn == Button1)
+ mousesel(e, 1);
+}
+
+void bmotion(XEvent *e) {
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
+ mousereport(e);
+ return;
+ }
- if (xsel.primary != NULL) {
- xsel.clipboard = xstrdup(xsel.primary);
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
- }
+ mousesel(e, 0);
}
-void
-clippaste(const Arg *dummy)
-{
- Atom clipboard;
+void cresize(int width, int height) {
+ int col, row;
+
+ if (width != 0)
+ win.w = width;
+ if (height != 0)
+ win.h = height;
+
+ col = (win.w - 2 * borderpx) / win.cw;
+ row = (win.h - 2 * borderpx) / win.ch;
+ col = MAX(1, col);
+ row = MAX(1, row);
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard,
- xw.win, CurrentTime);
-}
-
-void
-selpaste(const Arg *dummy)
-{
- XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY,
- xw.win, CurrentTime);
-}
-
-void
-numlock(const Arg *dummy)
-{
- win.mode ^= MODE_NUMLOCK;
-}
-
-void
-zoom(const Arg *arg)
-{
- Arg larg;
-
- larg.f = usedfontsize + arg->f;
- zoomabs(&larg);
-}
-
-void
-zoomabs(const Arg *arg)
-{
- xunloadfonts();
- xloadfonts(usedfont, arg->f);
- xloadsparefonts();
- cresize(0, 0);
- redraw();
- xhints();
-}
-
-void
-zoomreset(const Arg *arg)
-{
- Arg larg;
-
- if (defaultfontsize > 0) {
- larg.f = defaultfontsize;
- zoomabs(&larg);
- }
-}
-
-void
-ttysend(const Arg *arg)
-{
- ttywrite(arg->s, strlen(arg->s), 1);
-}
-
-int
-evcol(XEvent *e)
-{
- int x = e->xbutton.x - win.hborderpx;
- LIMIT(x, 0, win.tw - 1);
- return x / win.cw;
-}
-
-int
-evrow(XEvent *e)
-{
- int y = e->xbutton.y - win.vborderpx;
- LIMIT(y, 0, win.th - 1);
- return y / win.ch;
-}
-
-void
-mousesel(XEvent *e, int done)
-{
- int type, seltype = SEL_REGULAR;
- uint state = e->xbutton.state & ~(Button1Mask | forcemousemod);
-
- for (type = 1; type < LEN(selmasks); ++type) {
- if (match(selmasks[type], state)) {
- seltype = type;
- break;
- }
- }
- selextend(evcol(e), evrow(e), seltype, done);
- if (done)
- setsel(getsel(), e->xbutton.time);
-}
-
-void
-mousereport(XEvent *e)
-{
- int len, btn, code;
- int x = evcol(e), y = evrow(e);
- int state = e->xbutton.state;
- char buf[40];
- static int ox, oy;
-
- if (e->type == MotionNotify) {
- if (x == ox && y == oy)
- return;
- if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
- return;
- /* MODE_MOUSEMOTION: no reporting if no button is pressed */
- if (IS_SET(MODE_MOUSEMOTION) && buttons == 0)
- return;
- /* Set btn to lowest-numbered pressed button, or 12 if no
- * buttons are pressed. */
- for (btn = 1; btn <= 11 && !(buttons & (1<<(btn-1))); btn++)
- ;
- code = 32;
- } else {
- btn = e->xbutton.button;
- /* Only buttons 1 through 11 can be encoded */
- if (btn < 1 || btn > 11)
- return;
- if (e->type == ButtonRelease) {
- /* MODE_MOUSEX10: no button release reporting */
- if (IS_SET(MODE_MOUSEX10))
- return;
- /* Don't send release events for the scroll wheel */
- if (btn == 4 || btn == 5)
- return;
- }
- code = 0;
- }
-
- ox = x;
- oy = y;
-
- /* Encode btn into code. If no button is pressed for a motion event in
- * MODE_MOUSEMANY, then encode it as a release. */
- if ((!IS_SET(MODE_MOUSESGR) && e->type == ButtonRelease) || btn == 12)
- code += 3;
- else if (btn >= 8)
- code += 128 + btn - 8;
- else if (btn >= 4)
- code += 64 + btn - 4;
- else
- code += btn - 1;
-
- if (!IS_SET(MODE_MOUSEX10)) {
- code += ((state & ShiftMask ) ? 4 : 0)
- + ((state & Mod1Mask ) ? 8 : 0) /* meta key: alt */
- + ((state & ControlMask) ? 16 : 0);
- }
-
- if (IS_SET(MODE_MOUSESGR)) {
- len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
- code, x+1, y+1,
- e->type == ButtonRelease ? 'm' : 'M');
- } else if (x < 223 && y < 223) {
- len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
- 32+code, 32+x+1, 32+y+1);
- } else {
- return;
- }
-
- ttywrite(buf, len, 0);
-}
-
-uint
-buttonmask(uint button)
-{
- return button == Button1 ? Button1Mask
- : button == Button2 ? Button2Mask
- : button == Button3 ? Button3Mask
- : button == Button4 ? Button4Mask
- : button == Button5 ? Button5Mask
- : 0;
-}
-
-int
-mouseaction(XEvent *e, uint release)
-{
- MouseShortcut *ms;
-
- /* ignore Button<N>mask for Button<N> - it's set on release */
- uint state = e->xbutton.state & ~buttonmask(e->xbutton.button);
-
- for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
- if (ms->release == release &&
- ms->button == e->xbutton.button &&
- (match(ms->mod, state) || /* exact or forced */
- match(ms->mod, state & ~forcemousemod))) {
- ms->func(&(ms->arg));
- return 1;
- }
- }
-
- return 0;
-}
-
-void
-bpress(XEvent *e)
-{
- int btn = e->xbutton.button;
- struct timespec now;
- int snap;
-
- if (1 <= btn && btn <= 11)
- buttons |= 1 << (btn-1);
-
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
- mousereport(e);
- return;
- }
-
- if (mouseaction(e, 0))
- return;
-
- if (btn == Button1) {
- /*
- * If the user clicks below predefined timeouts specific
- * snapping behaviour is exposed.
- */
- clock_gettime(CLOCK_MONOTONIC, &now);
- if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) {
- snap = SNAP_LINE;
- } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) {
- snap = SNAP_WORD;
- } else {
- snap = 0;
- }
- xsel.tclick2 = xsel.tclick1;
- xsel.tclick1 = now;
-
- selstart(evcol(e), evrow(e), snap);
- }
-}
-
-void
-propnotify(XEvent *e)
-{
- XPropertyEvent *xpev;
- Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
-
- xpev = &e->xproperty;
- if (xpev->state == PropertyNewValue &&
- (xpev->atom == XA_PRIMARY ||
- xpev->atom == clipboard)) {
- selnotify(e);
- }
-}
-
-void
-selnotify(XEvent *e)
-{
- ulong nitems, ofs, rem;
- int format;
- uchar *data, *last, *repl;
- Atom type, incratom, property = None;
-
- incratom = XInternAtom(xw.dpy, "INCR", 0);
-
- ofs = 0;
- if (e->type == SelectionNotify)
- property = e->xselection.property;
- else if (e->type == PropertyNotify)
- property = e->xproperty.atom;
-
- if (property == None)
- return;
-
- do {
- if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
- BUFSIZ/4, False, AnyPropertyType,
- &type, &format, &nitems, &rem,
- &data)) {
- fprintf(stderr, "Clipboard allocation failed\n");
- return;
- }
-
- if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
- /*
- * If there is some PropertyNotify with no data, then
- * this is the signal of the selection owner that all
- * data has been transferred. We won't need to receive
- * PropertyNotify events anymore.
- */
- MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
- XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
- &xw.attrs);
- }
-
- if (type == incratom) {
- /*
- * Activate the PropertyNotify events so we receive
- * when the selection owner does send us the next
- * chunk of data.
- */
- MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
- XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
- &xw.attrs);
-
- /*
- * Deleting the property is the transfer start signal.
- */
- XDeleteProperty(xw.dpy, xw.win, (int)property);
- continue;
- }
-
- /*
- * As seen in getsel:
- * Line endings are inconsistent in the terminal and GUI world
- * copy and pasting. When receiving some selection data,
- * replace all '\n' with '\r'.
- * FIXME: Fix the computer world.
- */
- repl = data;
- last = data + nitems * format / 8;
- while ((repl = memchr(repl, '\n', last - repl))) {
- *repl++ = '\r';
- }
-
- if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
- ttywrite("\033[200~", 6, 0);
- ttywrite((char *)data, nitems * format / 8, 1);
- if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
- ttywrite("\033[201~", 6, 0);
- XFree(data);
- /* number of 32-bit chunks returned */
- ofs += nitems * format / 32;
- } while (rem > 0);
-
- /*
- * Deleting the property again tells the selection owner to send the
- * next data chunk in the property.
- */
- XDeleteProperty(xw.dpy, xw.win, (int)property);
-}
-
-void
-xclipcopy(void)
-{
- clipcopy(NULL);
-}
-
-void
-selclear_(XEvent *e)
-{
- selclear();
-}
-
-void
-selrequest(XEvent *e)
-{
- XSelectionRequestEvent *xsre;
- XSelectionEvent xev;
- Atom xa_targets, string, clipboard;
- char *seltext;
-
- xsre = (XSelectionRequestEvent *) e;
- xev.type = SelectionNotify;
- xev.requestor = xsre->requestor;
- xev.selection = xsre->selection;
- xev.target = xsre->target;
- xev.time = xsre->time;
- if (xsre->property == None)
- xsre->property = xsre->target;
-
- /* reject */
- xev.property = None;
-
- xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
- if (xsre->target == xa_targets) {
- /* respond with the supported type */
- string = xsel.xtarget;
- XChangeProperty(xsre->display, xsre->requestor, xsre->property,
- XA_ATOM, 32, PropModeReplace,
- (uchar *) &string, 1);
- xev.property = xsre->property;
- } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) {
- /*
- * xith XA_STRING non ascii characters may be incorrect in the
- * requestor. It is not our problem, use utf8.
- */
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- if (xsre->selection == XA_PRIMARY) {
- seltext = xsel.primary;
- } else if (xsre->selection == clipboard) {
- seltext = xsel.clipboard;
- } else {
- fprintf(stderr,
- "Unhandled clipboard selection 0x%lx\n",
- xsre->selection);
- return;
- }
- if (seltext != NULL) {
- XChangeProperty(xsre->display, xsre->requestor,
- xsre->property, xsre->target,
- 8, PropModeReplace,
- (uchar *)seltext, strlen(seltext));
- xev.property = xsre->property;
- }
- }
-
- /* all done, send a notification to the listener */
- if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
- fprintf(stderr, "Error sending SelectionNotify event\n");
-}
-
-void
-setsel(char *str, Time t)
-{
- if (!str)
- return;
-
- free(xsel.primary);
- xsel.primary = str;
-
- XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
- if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
- selclear();
-}
-
-void
-xsetsel(char *str)
-{
- setsel(str, CurrentTime);
-}
-
-void
-brelease(XEvent *e)
-{
- int btn = e->xbutton.button;
-
- if (1 <= btn && btn <= 11)
- buttons &= ~(1 << (btn-1));
-
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
- mousereport(e);
- return;
- }
-
- if (mouseaction(e, 1))
- return;
- if (btn == Button1)
- mousesel(e, 1);
-}
-
-void
-bmotion(XEvent *e)
-{
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
- mousereport(e);
- return;
- }
-
- mousesel(e, 0);
-}
-
-void
-cresize(int width, int height)
-{
- int col, row;
-
- if (width != 0)
- win.w = width;
- if (height != 0)
- win.h = height;
-
- col = (win.w - 2 * borderpx) / win.cw;
- row = (win.h - 2 * borderpx) / win.ch;
- col = MAX(1, col);
- row = MAX(1, row);
-
- win.hborderpx = (win.w - col * win.cw) / 2;
- win.vborderpx = (win.h - row * win.ch) / 2;
-
- tresize(col, row);
- xresize(col, row);
- ttyresize(win.tw, win.th);
-}
-
-void
-xresize(int col, int row)
-{
- win.tw = col * win.cw;
- win.th = row * win.ch;
-
- XFreePixmap(xw.dpy, xw.buf);
- xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
- xw.depth);
- XftDrawChange(xw.draw, xw.buf);
- xclear(0, 0, win.w, win.h);
-
- /* resize to new width */
- xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec));
+ win.hborderpx = (win.w - col * win.cw) / 2;
+ win.vborderpx = (win.h - row * win.ch) / 2;
+
+ tresize(col, row);
+ xresize(col, row);
+ ttyresize(win.tw, win.th);
}
-ushort
-sixd_to_16bit(int x)
-{
- return x == 0 ? 0 : 0x3737 + 0x2828 * x;
+void xresize(int col, int row) {
+ win.tw = col * win.cw;
+ win.th = row * win.ch;
+
+ XFreePixmap(xw.dpy, xw.buf);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
+ XftDrawChange(xw.draw, xw.buf);
+ xclear(0, 0, win.w, win.h);
+
+ /* resize to new width */
+ xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec));
}
-int
-xloadcolor(int i, const char *name, Color *ncolor)
-{
- XRenderColor color = { .alpha = 0xffff };
+ushort sixd_to_16bit(int x) { return x == 0 ? 0 : 0x3737 + 0x2828 * x; }
- if (!name) {
- if (BETWEEN(i, 16, 255)) { /* 256 color */
- if (i < 6*6*6+16) { /* same colors as xterm */
- color.red = sixd_to_16bit( ((i-16)/36)%6 );
- color.green = sixd_to_16bit( ((i-16)/6) %6 );
- color.blue = sixd_to_16bit( ((i-16)/1) %6 );
- } else { /* greyscale */
- color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
- color.green = color.blue = color.red;
- }
- return XftColorAllocValue(xw.dpy, xw.vis,
- xw.cmap, &color, ncolor);
- } else
- name = colorname[i];
- }
+int xloadcolor(int i, const char *name, Color *ncolor) {
+ XRenderColor color = {.alpha = 0xffff};
- return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
+ if (!name) {
+ if (BETWEEN(i, 16, 255)) { /* 256 color */
+ if (i < 6 * 6 * 6 + 16) { /* same colors as xterm */
+ color.red = sixd_to_16bit(((i - 16) / 36) % 6);
+ color.green = sixd_to_16bit(((i - 16) / 6) % 6);
+ color.blue = sixd_to_16bit(((i - 16) / 1) % 6);
+ } else { /* greyscale */
+ color.red = 0x0808 + 0x0a0a * (i - (6 * 6 * 6 + 16));
+ color.green = color.blue = color.red;
+ }
+ return XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, ncolor);
+ } else
+ name = colorname[i];
+ }
+
+ return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
}
-void
-xloadcols(void)
-{
- int i;
- static int loaded;
- Color *cp;
+void xloadcols(void) {
+ int i;
+ static int loaded;
+ Color *cp;
- if (loaded) {
- for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
- XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
- } else {
- dc.collen = MAX(LEN(colorname), 256);
- dc.col = xmalloc(dc.collen * sizeof(Color));
- }
+ if (loaded) {
+ for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
+ XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
+ } else {
+ dc.collen = MAX(LEN(colorname), 256);
+ dc.col = xmalloc(dc.collen * sizeof(Color));
+ }
- for (i = 0; i < dc.collen; i++)
- if (!xloadcolor(i, NULL, &dc.col[i])) {
- if (colorname[i])
- die("could not allocate color '%s'\n", colorname[i]);
- else
- die("could not allocate color %d\n", i);
- }
+ for (i = 0; i < dc.collen; i++)
+ if (!xloadcolor(i, NULL, &dc.col[i])) {
+ if (colorname[i])
+ die("could not allocate color '%s'\n", colorname[i]);
+ else
+ die("could not allocate color %d\n", i);
+ }
- dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
- dc.col[defaultbg].pixel &= 0x00FFFFFF;
- dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
- loaded = 1;
+ dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
+ dc.col[defaultbg].pixel &= 0x00FFFFFF;
+ dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
+ loaded = 1;
}
-int
-xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b)
-{
- if (!BETWEEN(x, 0, dc.collen - 1))
- return 1;
+int xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b) {
+ if (!BETWEEN(x, 0, dc.collen - 1))
+ return 1;
- *r = dc.col[x].color.red >> 8;
- *g = dc.col[x].color.green >> 8;
- *b = dc.col[x].color.blue >> 8;
+ *r = dc.col[x].color.red >> 8;
+ *g = dc.col[x].color.green >> 8;
+ *b = dc.col[x].color.blue >> 8;
- return 0;
+ return 0;
}
-int
-xsetcolorname(int x, const char *name)
-{
- Color ncolor;
-
- if (!BETWEEN(x, 0, dc.collen - 1))
- return 1;
-
- if (!xloadcolor(x, name, &ncolor))
- return 1;
+int xsetcolorname(int x, const char *name) {
+ Color ncolor;
+
+ if (!BETWEEN(x, 0, dc.collen - 1))
+ return 1;
+
+ if (!xloadcolor(x, name, &ncolor))
+ return 1;
- XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
- dc.col[x] = ncolor;
-
- if (x == defaultbg) {
- dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
- dc.col[defaultbg].pixel &= 0x00FFFFFF;
- dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
- }
-
- return 0;
+ XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
+ dc.col[x] = ncolor;
+
+ if (x == defaultbg) {
+ dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
+ dc.col[defaultbg].pixel &= 0x00FFFFFF;
+ dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
+ }
+
+ return 0;
}
/*
* Absolute coordinates.
*/
-void
-xclear(int x1, int y1, int x2, int y2)
-{
- XftDrawRect(xw.draw,
- &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
- x1, y1, x2-x1, y2-y1);
-}
-
-void
-xhints(void)
-{
- XClassHint class = {opt_name ? opt_name : termname,
- opt_class ? opt_class : termname};
- XWMHints wm = {.flags = InputHint, .input = 1};
- XSizeHints *sizeh;
-
- sizeh = XAllocSizeHints();
-
- sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize;
- sizeh->height = win.h;
- sizeh->width = win.w;
- sizeh->height_inc = 1;
- sizeh->width_inc = 1;
- sizeh->base_height = 2 * borderpx;
- sizeh->base_width = 2 * borderpx;
- sizeh->min_height = win.ch + 2 * borderpx;
- sizeh->min_width = win.cw + 2 * borderpx;
- if (xw.isfixed) {
- sizeh->flags |= PMaxSize;
- sizeh->min_width = sizeh->max_width = win.w;
- sizeh->min_height = sizeh->max_height = win.h;
- }
- if (xw.gm & (XValue|YValue)) {
- sizeh->flags |= USPosition | PWinGravity;
- sizeh->x = xw.l;
- sizeh->y = xw.t;
- sizeh->win_gravity = xgeommasktogravity(xw.gm);
- }
-
- XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
- &class);
- XFree(sizeh);
-}
-
-int
-xgeommasktogravity(int mask)
-{
- switch (mask & (XNegative|YNegative)) {
- case 0:
- return NorthWestGravity;
- case XNegative:
- return NorthEastGravity;
- case YNegative:
- return SouthWestGravity;
- }
-
- return SouthEastGravity;
-}
-
-int
-xloadfont(Font *f, FcPattern *pattern)
-{
- FcPattern *configured;
- FcPattern *match;
- FcResult result;
- XGlyphInfo extents;
- int wantattr, haveattr;
-
- /*
- * Manually configure instead of calling XftMatchFont
- * so that we can use the configured pattern for
- * "missing glyph" lookups.
- */
- configured = FcPatternDuplicate(pattern);
- if (!configured)
- return 1;
-
- FcConfigSubstitute(NULL, configured, FcMatchPattern);
- XftDefaultSubstitute(xw.dpy, xw.scr, configured);
-
- match = FcFontMatch(NULL, configured, &result);
- if (!match) {
- FcPatternDestroy(configured);
- return 1;
- }
-
- if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
- FcPatternDestroy(configured);
- FcPatternDestroy(match);
- return 1;
- }
-
- if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) ==
- XftResultMatch)) {
- /*
- * Check if xft was unable to find a font with the appropriate
- * slant but gave us one anyway. Try to mitigate.
- */
- if ((XftPatternGetInteger(f->match->pattern, "slant", 0,
- &haveattr) != XftResultMatch) || haveattr < wantattr) {
- f->badslant = 1;
- fputs("font slant does not match\n", stderr);
- }
- }
-
- if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) ==
- XftResultMatch)) {
- if ((XftPatternGetInteger(f->match->pattern, "weight", 0,
- &haveattr) != XftResultMatch) || haveattr != wantattr) {
- f->badweight = 1;
- fputs("font weight does not match\n", stderr);
- }
- }
-
- XftTextExtentsUtf8(xw.dpy, f->match,
- (const FcChar8 *) ascii_printable,
- strlen(ascii_printable), &extents);
-
- f->set = NULL;
- f->pattern = configured;
-
- f->ascent = f->match->ascent;
- f->descent = f->match->descent;
- f->lbearing = 0;
- f->rbearing = f->match->max_advance_width;
-
- f->height = f->ascent + f->descent;
- f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
-
- return 0;
-}
-
-void
-xloadfonts(const char *fontstr, double fontsize)
-{
- FcPattern *pattern;
- double fontval;
-
- if (fontstr[0] == '-')
- pattern = XftXlfdParse(fontstr, False, False);
- else
- pattern = FcNameParse((const FcChar8 *)fontstr);
-
- if (!pattern)
- die("can't open font %s\n", fontstr);
-
- if (fontsize > 1) {
- FcPatternDel(pattern, FC_PIXEL_SIZE);
- FcPatternDel(pattern, FC_SIZE);
- FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
- usedfontsize = fontsize;
- } else {
- if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
- FcResultMatch) {
- usedfontsize = fontval;
- } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
- FcResultMatch) {
- usedfontsize = -1;
- } else {
- /*
- * Default font size is 12, if none given. This is to
- * have a known usedfontsize value.
- */
- FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
- usedfontsize = 12;
- }
- defaultfontsize = usedfontsize;
- }
-
- if (xloadfont(&dc.font, pattern))
- die("can't open font %s\n", fontstr);
-
- if (usedfontsize < 0) {
- FcPatternGetDouble(dc.font.match->pattern,
- FC_PIXEL_SIZE, 0, &fontval);
- usedfontsize = fontval;
- if (fontsize == 0)
- defaultfontsize = fontval;
- }
-
- /* Setting character width and height. */
- win.cw = ceilf(dc.font.width * cwscale);
- win.ch = ceilf(dc.font.height * chscale);
- win.cyo = ceilf(dc.font.height * (chscale - 1) / 2);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
- if (xloadfont(&dc.ifont, pattern))
- die("can't open font %s\n", fontstr);
-
- FcPatternDel(pattern, FC_WEIGHT);
- FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
- if (xloadfont(&dc.ibfont, pattern))
- die("can't open font %s\n", fontstr);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
- if (xloadfont(&dc.bfont, pattern))
- die("can't open font %s\n", fontstr);
-
- FcPatternDestroy(pattern);
-}
-
-int
-xloadsparefont(FcPattern *pattern, int flags)
-{
- FcPattern *match;
- FcResult result;
-
- match = FcFontMatch(NULL, pattern, &result);
- if (!match) {
- return 1;
- }
-
- if (!(frc[frclen].font = XftFontOpenPattern(xw.dpy, match))) {
- FcPatternDestroy(match);
- return 1;
- }
-
- frc[frclen].flags = flags;
- /* Believe U+0000 glyph will present in each default font */
- frc[frclen].unicodep = 0;
- frclen++;
-
- return 0;
-}
-
-void
-xloadsparefonts(void)
-{
- FcPattern *pattern;
- double sizeshift, fontval;
- int fc;
- char **fp;
-
- if (frclen != 0)
- die("can't embed spare fonts. cache isn't empty");
-
- /* Calculate count of spare fonts */
- fc = sizeof(font2) / sizeof(*font2);
- if (fc == 0)
- return;
-
- /* Allocate memory for cache entries. */
- if (frccap < 4 * fc) {
- frccap += 4 * fc - frccap;
- frc = xrealloc(frc, frccap * sizeof(Fontcache));
- }
-
- for (fp = font2; fp - font2 < fc; ++fp) {
-
- if (**fp == '-')
- pattern = XftXlfdParse(*fp, False, False);
- else
- pattern = FcNameParse((FcChar8 *)*fp);
-
- if (!pattern)
- die("can't open spare font %s\n", *fp);
-
- if (defaultfontsize > 0) {
- sizeshift = usedfontsize - defaultfontsize;
- if (sizeshift != 0 &&
- FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
- FcResultMatch) {
- fontval += sizeshift;
- FcPatternDel(pattern, FC_PIXEL_SIZE);
- FcPatternDel(pattern, FC_SIZE);
- FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval);
- }
- }
-
- FcPatternAddBool(pattern, FC_SCALABLE, 1);
-
- FcConfigSubstitute(NULL, pattern, FcMatchPattern);
- XftDefaultSubstitute(xw.dpy, xw.scr, pattern);
-
- if (xloadsparefont(pattern, FRC_NORMAL))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
- if (xloadsparefont(pattern, FRC_ITALIC))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDel(pattern, FC_WEIGHT);
- FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
- if (xloadsparefont(pattern, FRC_ITALICBOLD))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
- if (xloadsparefont(pattern, FRC_BOLD))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDestroy(pattern);
- }
-}
-
-void
-xunloadfont(Font *f)
-{
- XftFontClose(xw.dpy, f->match);
- FcPatternDestroy(f->pattern);
- if (f->set)
- FcFontSetDestroy(f->set);
-}
-
-void
-xunloadfonts(void)
-{
- /* Free the loaded fonts in the font cache. */
- while (frclen > 0)
- XftFontClose(xw.dpy, frc[--frclen].font);
-
- xunloadfont(&dc.font);
- xunloadfont(&dc.bfont);
- xunloadfont(&dc.ifont);
- xunloadfont(&dc.ibfont);
-}
-
-int
-ximopen(Display *dpy)
-{
- XIMCallback imdestroy = { .client_data = NULL, .callback = ximdestroy };
- XICCallback icdestroy = { .client_data = NULL, .callback = xicdestroy };
-
- xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
- if (xw.ime.xim == NULL)
- return 0;
-
- if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, NULL))
- fprintf(stderr, "XSetIMValues: "
- "Could not set XNDestroyCallback.\n");
-
- xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot,
- NULL);
-
- if (xw.ime.xic == NULL) {
- xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle,
- XIMPreeditNothing | XIMStatusNothing,
- XNClientWindow, xw.win,
- XNDestroyCallback, &icdestroy,
- NULL);
- }
- if (xw.ime.xic == NULL)
- fprintf(stderr, "XCreateIC: Could not create input context.\n");
-
- return 1;
-}
-
-void
-ximinstantiate(Display *dpy, XPointer client, XPointer call)
-{
- if (ximopen(dpy))
- XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
- ximinstantiate, NULL);
-}
-
-void
-ximdestroy(XIM xim, XPointer client, XPointer call)
-{
- xw.ime.xim = NULL;
- XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
- ximinstantiate, NULL);
- XFree(xw.ime.spotlist);
-}
-
-int
-xicdestroy(XIC xim, XPointer client, XPointer call)
-{
- xw.ime.xic = NULL;
- return 1;
-}
-
-void
-xinit(int cols, int rows)
-{
- XGCValues gcvalues;
- Cursor cursor;
- Window parent, root;
- pid_t thispid = getpid();
- XColor xmousefg, xmousebg;
- XWindowAttributes attr;
- XVisualInfo vis;
-
- if (!(xw.dpy = XOpenDisplay(NULL)))
- die("can't open display\n");
- xw.scr = XDefaultScreen(xw.dpy);
-
- root = XRootWindow(xw.dpy, xw.scr);
- if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
- parent = root;
-
- if (XMatchVisualInfo(xw.dpy, xw.scr, 32, TrueColor, &vis) != 0) {
- xw.vis = vis.visual;
- xw.depth = vis.depth;
- } else {
- XGetWindowAttributes(xw.dpy, parent, &attr);
- xw.vis = attr.visual;
- xw.depth = attr.depth;
- }
-
- /* font */
- if (!FcInit())
- die("could not init fontconfig.\n");
-
- usedfont = (opt_font == NULL)? font : opt_font;
- xloadfonts(usedfont, defaultfontsize);
-
- /* spare fonts */
- xloadsparefonts();
-
- /* colors */
- xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
- xloadcols();
-
- /* adjust fixed window geometry */
- win.w = 2 * win.hborderpx + 2 * borderpx + cols * win.cw;
- win.h = 2 * win.vborderpx + 2 * borderpx + rows * win.ch;
- if (xw.gm & XNegative)
- xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
- if (xw.gm & YNegative)
- xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2;
-
- /* Events */
- xw.attrs.background_pixel = dc.col[defaultbg].pixel;
- xw.attrs.border_pixel = dc.col[defaultbg].pixel;
- xw.attrs.bit_gravity = NorthWestGravity;
- xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask
- | ExposureMask | VisibilityChangeMask | StructureNotifyMask
- | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
- xw.attrs.colormap = xw.cmap;
-
- xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
- win.w, win.h, 0, xw.depth, InputOutput,
- xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
- | CWEventMask | CWColormap, &xw.attrs);
- if (parent != root)
- XReparentWindow(xw.dpy, xw.win, parent, xw.l, xw.t);
-
- memset(&gcvalues, 0, sizeof(gcvalues));
- gcvalues.graphics_exposures = False;
- dc.gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures,
- &gcvalues);
- xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
- xw.depth);
- XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
- XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
-
- /* font spec buffer */
- xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec));
-
- /* Xft rendering context */
- xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
-
- /* input methods */
- if (!ximopen(xw.dpy)) {
- XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
- ximinstantiate, NULL);
- }
-
- /* white cursor, black outline */
- cursor = XCreateFontCursor(xw.dpy, mouseshape);
- XDefineCursor(xw.dpy, xw.win, cursor);
-
- if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
- xmousefg.red = 0xffff;
- xmousefg.green = 0xffff;
- xmousefg.blue = 0xffff;
- }
-
- if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
- xmousebg.red = 0x0000;
- xmousebg.green = 0x0000;
- xmousebg.blue = 0x0000;
- }
-
- XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
-
- xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
- xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
- xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
- xw.netwmiconname = XInternAtom(xw.dpy, "_NET_WM_ICON_NAME", False);
- XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
-
- xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
- XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
- PropModeReplace, (uchar *)&thispid, 1);
-
- win.mode = MODE_NUMLOCK;
- resettitle();
- xhints();
- XMapWindow(xw.dpy, xw.win);
- XSync(xw.dpy, False);
-
- clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1);
- clock_gettime(CLOCK_MONOTONIC, &xsel.tclick2);
- xsel.primary = NULL;
- xsel.clipboard = NULL;
- xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
- if (xsel.xtarget == None)
- xsel.xtarget = XA_STRING;
-}
-
-int
-xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
-{
- float winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch, xp, yp;
- ushort mode, prevmode = USHRT_MAX;
- Font *font = &dc.font;
- int frcflags = FRC_NORMAL;
- float runewidth = win.cw;
- Rune rune;
- FT_UInt glyphidx;
- FcResult fcres;
- FcPattern *fcpattern, *fontpattern;
- FcFontSet *fcsets[] = { NULL };
- FcCharSet *fccharset;
- int i, f, numspecs = 0;
-
- for (i = 0, xp = winx, yp = winy + font->ascent + win.cyo; i < len; ++i) {
- /* Fetch rune and mode for current glyph. */
- rune = glyphs[i].u;
- mode = glyphs[i].mode;
-
- /* Skip dummy wide-character spacing. */
- if (mode == ATTR_WDUMMY)
- continue;
-
- /* Determine font for glyph if different from previous glyph. */
- if (prevmode != mode) {
- prevmode = mode;
- font = &dc.font;
- frcflags = FRC_NORMAL;
- runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
- if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
- font = &dc.ibfont;
- frcflags = FRC_ITALICBOLD;
- } else if (mode & ATTR_ITALIC) {
- font = &dc.ifont;
- frcflags = FRC_ITALIC;
- } else if (mode & ATTR_BOLD) {
- font = &dc.bfont;
- frcflags = FRC_BOLD;
- }
- yp = winy + font->ascent + win.cyo;
- }
-
- /* Lookup character index with default font. */
- glyphidx = XftCharIndex(xw.dpy, font->match, rune);
- if (glyphidx) {
- specs[numspecs].font = font->match;
- specs[numspecs].glyph = glyphidx;
- specs[numspecs].x = (short)xp + cxoffset;
- specs[numspecs].y = (short)yp + cyoffset;
- xp += runewidth;
- numspecs++;
- continue;
- }
-
- /* Fallback on font cache, search the font cache for match. */
- for (f = 0; f < frclen; f++) {
- glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
- /* Everything correct. */
- if (glyphidx && frc[f].flags == frcflags)
- break;
- /* We got a default font for a not found glyph. */
- if (!glyphidx && frc[f].flags == frcflags
- && frc[f].unicodep == rune) {
- break;
- }
- }
-
- /* Nothing was found. Use fontconfig to find matching font. */
- if (f >= frclen) {
- if (!font->set)
- font->set = FcFontSort(0, font->pattern,
- 1, 0, &fcres);
- fcsets[0] = font->set;
-
- /*
- * Nothing was found in the cache. Now use
- * some dozen of Fontconfig calls to get the
- * font for one single character.
- *
- * Xft and fontconfig are design failures.
- */
- fcpattern = FcPatternDuplicate(font->pattern);
- fccharset = FcCharSetCreate();
-
- FcCharSetAddChar(fccharset, rune);
- FcPatternAddCharSet(fcpattern, FC_CHARSET,
- fccharset);
- FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
-
- FcConfigSubstitute(0, fcpattern,
- FcMatchPattern);
- FcDefaultSubstitute(fcpattern);
-
- fontpattern = FcFontSetMatch(0, fcsets, 1,
- fcpattern, &fcres);
-
- /* Allocate memory for the new cache entry. */
- if (frclen >= frccap) {
- frccap += 16;
- frc = xrealloc(frc, frccap * sizeof(Fontcache));
- }
-
- frc[frclen].font = XftFontOpenPattern(xw.dpy,
- fontpattern);
- if (!frc[frclen].font)
- die("XftFontOpenPattern failed seeking fallback font: %s\n",
- strerror(errno));
- frc[frclen].flags = frcflags;
- frc[frclen].unicodep = rune;
-
- glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
-
- f = frclen;
- frclen++;
-
- FcPatternDestroy(fcpattern);
- FcCharSetDestroy(fccharset);
- }
-
- specs[numspecs].font = frc[f].font;
- specs[numspecs].glyph = glyphidx;
- specs[numspecs].x = (short)xp;
- specs[numspecs].y = (short)yp;
- xp += runewidth;
- numspecs++;
- }
-
- return numspecs;
-}
-
-static int isSlopeRising (int x, int iPoint, int waveWidth)
-{
- // . . . .
- // / \ / \ / \ / \
+void xclear(int x1, int y1, int x2, int y2) {
+ XftDrawRect(xw.draw, &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
+ x1, y1, x2 - x1, y2 - y1);
+}
+
+void xhints(void) {
+ XClassHint class = {opt_name ? opt_name : termname,
+ opt_class ? opt_class : termname};
+ XWMHints wm = {.flags = InputHint, .input = 1};
+ XSizeHints *sizeh;
+
+ sizeh = XAllocSizeHints();
+
+ sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize;
+ sizeh->height = win.h;
+ sizeh->width = win.w;
+ sizeh->height_inc = 1;
+ sizeh->width_inc = 1;
+ sizeh->base_height = 2 * borderpx;
+ sizeh->base_width = 2 * borderpx;
+ sizeh->min_height = win.ch + 2 * borderpx;
+ sizeh->min_width = win.cw + 2 * borderpx;
+ if (xw.isfixed) {
+ sizeh->flags |= PMaxSize;
+ sizeh->min_width = sizeh->max_width = win.w;
+ sizeh->min_height = sizeh->max_height = win.h;
+ }
+ if (xw.gm & (XValue | YValue)) {
+ sizeh->flags |= USPosition | PWinGravity;
+ sizeh->x = xw.l;
+ sizeh->y = xw.t;
+ sizeh->win_gravity = xgeommasktogravity(xw.gm);
+ }
+
+ XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, &class);
+ XFree(sizeh);
+}
+
+int xgeommasktogravity(int mask) {
+ switch (mask & (XNegative | YNegative)) {
+ case 0:
+ return NorthWestGravity;
+ case XNegative:
+ return NorthEastGravity;
+ case YNegative:
+ return SouthWestGravity;
+ }
+
+ return SouthEastGravity;
+}
+
+int xloadfont(Font *f, FcPattern *pattern) {
+ FcPattern *configured;
+ FcPattern *match;
+ FcResult result;
+ XGlyphInfo extents;
+ int wantattr, haveattr;
+
+ /*
+ * Manually configure instead of calling XftMatchFont
+ * so that we can use the configured pattern for
+ * "missing glyph" lookups.
+ */
+ configured = FcPatternDuplicate(pattern);
+ if (!configured)
+ return 1;
+
+ FcConfigSubstitute(NULL, configured, FcMatchPattern);
+ XftDefaultSubstitute(xw.dpy, xw.scr, configured);
+
+ match = FcFontMatch(NULL, configured, &result);
+ if (!match) {
+ FcPatternDestroy(configured);
+ return 1;
+ }
+
+ if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
+ FcPatternDestroy(configured);
+ FcPatternDestroy(match);
+ return 1;
+ }
+
+ if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) ==
+ XftResultMatch)) {
+ /*
+ * Check if xft was unable to find a font with the appropriate
+ * slant but gave us one anyway. Try to mitigate.
+ */
+ if ((XftPatternGetInteger(f->match->pattern, "slant", 0, &haveattr) !=
+ XftResultMatch) ||
+ haveattr < wantattr) {
+ f->badslant = 1;
+ fputs("font slant does not match\n", stderr);
+ }
+ }
+
+ if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) ==
+ XftResultMatch)) {
+ if ((XftPatternGetInteger(f->match->pattern, "weight", 0, &haveattr) !=
+ XftResultMatch) ||
+ haveattr != wantattr) {
+ f->badweight = 1;
+ fputs("font weight does not match\n", stderr);
+ }
+ }
+
+ XftTextExtentsUtf8(xw.dpy, f->match, (const FcChar8 *)ascii_printable,
+ strlen(ascii_printable), &extents);
+
+ f->set = NULL;
+ f->pattern = configured;
+
+ f->ascent = f->match->ascent;
+ f->descent = f->match->descent;
+ f->lbearing = 0;
+ f->rbearing = f->match->max_advance_width;
+
+ f->height = f->ascent + f->descent;
+ f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
+
+ return 0;
+}
+
+void xloadfonts(const char *fontstr, double fontsize) {
+ FcPattern *pattern;
+ double fontval;
+
+ if (fontstr[0] == '-')
+ pattern = XftXlfdParse(fontstr, False, False);
+ else
+ pattern = FcNameParse((const FcChar8 *)fontstr);
+
+ if (!pattern)
+ die("can't open font %s\n", fontstr);
+
+ if (fontsize > 1) {
+ FcPatternDel(pattern, FC_PIXEL_SIZE);
+ FcPatternDel(pattern, FC_SIZE);
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
+ usedfontsize = fontsize;
+ } else {
+ if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
+ FcResultMatch) {
+ usedfontsize = fontval;
+ } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
+ FcResultMatch) {
+ usedfontsize = -1;
+ } else {
+ /*
+ * Default font size is 12, if none given. This is to
+ * have a known usedfontsize value.
+ */
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
+ usedfontsize = 12;
+ }
+ defaultfontsize = usedfontsize;
+ }
+
+ if (xloadfont(&dc.font, pattern))
+ die("can't open font %s\n", fontstr);
+
+ if (usedfontsize < 0) {
+ FcPatternGetDouble(dc.font.match->pattern, FC_PIXEL_SIZE, 0, &fontval);
+ usedfontsize = fontval;
+ if (fontsize == 0)
+ defaultfontsize = fontval;
+ }
+
+ /* Setting character width and height. */
+ win.cw = ceilf(dc.font.width * cwscale);
+ win.ch = ceilf(dc.font.height * chscale);
+ win.cyo = ceilf(dc.font.height * (chscale - 1) / 2);
+
+ FcPatternDel(pattern, FC_SLANT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
+ if (xloadfont(&dc.ifont, pattern))
+ die("can't open font %s\n", fontstr);
+
+ FcPatternDel(pattern, FC_WEIGHT);
+ FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+ if (xloadfont(&dc.ibfont, pattern))
+ die("can't open font %s\n", fontstr);
+
+ FcPatternDel(pattern, FC_SLANT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
+ if (xloadfont(&dc.bfont, pattern))
+ die("can't open font %s\n", fontstr);
+
+ FcPatternDestroy(pattern);
+}
+
+int xloadsparefont(FcPattern *pattern, int flags) {
+ FcPattern *match;
+ FcResult result;
+
+ match = FcFontMatch(NULL, pattern, &result);
+ if (!match) {
+ return 1;
+ }
+
+ if (!(frc[frclen].font = XftFontOpenPattern(xw.dpy, match))) {
+ FcPatternDestroy(match);
+ return 1;
+ }
+
+ frc[frclen].flags = flags;
+ /* Believe U+0000 glyph will present in each default font */
+ frc[frclen].unicodep = 0;
+ frclen++;
+
+ return 0;
+}
+
+void xloadsparefonts(void) {
+ FcPattern *pattern;
+ double sizeshift, fontval;
+ int fc;
+ char **fp;
+
+ if (frclen != 0)
+ die("can't embed spare fonts. cache isn't empty");
+
+ /* Calculate count of spare fonts */
+ fc = sizeof(font2) / sizeof(*font2);
+ if (fc == 0)
+ return;
+
+ /* Allocate memory for cache entries. */
+ if (frccap < 4 * fc) {
+ frccap += 4 * fc - frccap;
+ frc = xrealloc(frc, frccap * sizeof(Fontcache));
+ }
+
+ for (fp = font2; fp - font2 < fc; ++fp) {
+
+ if (**fp == '-')
+ pattern = XftXlfdParse(*fp, False, False);
+ else
+ pattern = FcNameParse((FcChar8 *)*fp);
+
+ if (!pattern)
+ die("can't open spare font %s\n", *fp);
+
+ if (defaultfontsize > 0) {
+ sizeshift = usedfontsize - defaultfontsize;
+ if (sizeshift != 0 && FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0,
+ &fontval) == FcResultMatch) {
+ fontval += sizeshift;
+ FcPatternDel(pattern, FC_PIXEL_SIZE);
+ FcPatternDel(pattern, FC_SIZE);
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval);
+ }
+ }
+
+ FcPatternAddBool(pattern, FC_SCALABLE, 1);
+
+ FcConfigSubstitute(NULL, pattern, FcMatchPattern);
+ XftDefaultSubstitute(xw.dpy, xw.scr, pattern);
+
+ if (xloadsparefont(pattern, FRC_NORMAL))
+ die("can't open spare font %s\n", *fp);
+
+ FcPatternDel(pattern, FC_SLANT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
+ if (xloadsparefont(pattern, FRC_ITALIC))
+ die("can't open spare font %s\n", *fp);
+
+ FcPatternDel(pattern, FC_WEIGHT);
+ FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+ if (xloadsparefont(pattern, FRC_ITALICBOLD))
+ die("can't open spare font %s\n", *fp);
+
+ FcPatternDel(pattern, FC_SLANT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
+ if (xloadsparefont(pattern, FRC_BOLD))
+ die("can't open spare font %s\n", *fp);
+
+ FcPatternDestroy(pattern);
+ }
+}
+
+void xunloadfont(Font *f) {
+ XftFontClose(xw.dpy, f->match);
+ FcPatternDestroy(f->pattern);
+ if (f->set)
+ FcFontSetDestroy(f->set);
+}
+
+void xunloadfonts(void) {
+ /* Free the loaded fonts in the font cache. */
+ while (frclen > 0)
+ XftFontClose(xw.dpy, frc[--frclen].font);
+
+ xunloadfont(&dc.font);
+ xunloadfont(&dc.bfont);
+ xunloadfont(&dc.ifont);
+ xunloadfont(&dc.ibfont);
+}
+
+int ximopen(Display *dpy) {
+ XIMCallback imdestroy = {.client_data = NULL, .callback = ximdestroy};
+ XICCallback icdestroy = {.client_data = NULL, .callback = xicdestroy};
+
+ xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
+ if (xw.ime.xim == NULL)
+ return 0;
+
+ if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, NULL))
+ fprintf(stderr, "XSetIMValues: "
+ "Could not set XNDestroyCallback.\n");
+
+ xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot, NULL);
+
+ if (xw.ime.xic == NULL) {
+ xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle,
+ XIMPreeditNothing | XIMStatusNothing, XNClientWindow,
+ xw.win, XNDestroyCallback, &icdestroy, NULL);
+ }
+ if (xw.ime.xic == NULL)
+ fprintf(stderr, "XCreateIC: Could not create input context.\n");
+
+ return 1;
+}
+
+void ximinstantiate(Display *dpy, XPointer client, XPointer call) {
+ if (ximopen(dpy))
+ XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, ximinstantiate,
+ NULL);
+}
+
+void ximdestroy(XIM xim, XPointer client, XPointer call) {
+ xw.ime.xim = NULL;
+ XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, ximinstantiate,
+ NULL);
+ XFree(xw.ime.spotlist);
+}
+
+int xicdestroy(XIC xim, XPointer client, XPointer call) {
+ xw.ime.xic = NULL;
+ return 1;
+}
+
+void xinit(int cols, int rows) {
+ XGCValues gcvalues;
+ Cursor cursor;
+ Window parent, root;
+ pid_t thispid = getpid();
+ XColor xmousefg, xmousebg;
+ XWindowAttributes attr;
+ XVisualInfo vis;
+
+ if (!(xw.dpy = XOpenDisplay(NULL)))
+ die("can't open display\n");
+ xw.scr = XDefaultScreen(xw.dpy);
+
+ root = XRootWindow(xw.dpy, xw.scr);
+ if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+ parent = root;
+
+ if (XMatchVisualInfo(xw.dpy, xw.scr, 32, TrueColor, &vis) != 0) {
+ xw.vis = vis.visual;
+ xw.depth = vis.depth;
+ } else {
+ XGetWindowAttributes(xw.dpy, parent, &attr);
+ xw.vis = attr.visual;
+ xw.depth = attr.depth;
+ }
+
+ /* font */
+ if (!FcInit())
+ die("could not init fontconfig.\n");
+
+ usedfont = (opt_font == NULL) ? font : opt_font;
+ xloadfonts(usedfont, defaultfontsize);
+
+ /* spare fonts */
+ xloadsparefonts();
+
+ /* colors */
+ xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
+ xloadcols();
+
+ /* adjust fixed window geometry */
+ win.w = 2 * win.hborderpx + 2 * borderpx + cols * win.cw;
+ win.h = 2 * win.vborderpx + 2 * borderpx + rows * win.ch;
+ if (xw.gm & XNegative)
+ xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
+ if (xw.gm & YNegative)
+ xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2;
+
+ /* Events */
+ xw.attrs.background_pixel = dc.col[defaultbg].pixel;
+ xw.attrs.border_pixel = dc.col[defaultbg].pixel;
+ xw.attrs.bit_gravity = NorthWestGravity;
+ xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask |
+ ExposureMask | VisibilityChangeMask |
+ StructureNotifyMask | ButtonMotionMask |
+ ButtonPressMask | ButtonReleaseMask;
+ xw.attrs.colormap = xw.cmap;
+
+ xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t, win.w, win.h, 0, xw.depth,
+ InputOutput, xw.vis,
+ CWBackPixel | CWBorderPixel | CWBitGravity |
+ CWEventMask | CWColormap,
+ &xw.attrs);
+ if (parent != root)
+ XReparentWindow(xw.dpy, xw.win, parent, xw.l, xw.t);
+
+ memset(&gcvalues, 0, sizeof(gcvalues));
+ gcvalues.graphics_exposures = False;
+ dc.gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures, &gcvalues);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
+ XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+ XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
+
+ /* font spec buffer */
+ xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec));
+
+ /* Xft rendering context */
+ xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
+
+ /* input methods */
+ if (!ximopen(xw.dpy)) {
+ XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, ximinstantiate,
+ NULL);
+ }
+
+ /* white cursor, black outline */
+ cursor = XCreateFontCursor(xw.dpy, mouseshape);
+ XDefineCursor(xw.dpy, xw.win, cursor);
+
+ if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
+ xmousefg.red = 0xffff;
+ xmousefg.green = 0xffff;
+ xmousefg.blue = 0xffff;
+ }
+
+ if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
+ xmousebg.red = 0x0000;
+ xmousebg.green = 0x0000;
+ xmousebg.blue = 0x0000;
+ }
+
+ XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
+
+ xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
+ xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
+ xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
+ xw.netwmiconname = XInternAtom(xw.dpy, "_NET_WM_ICON_NAME", False);
+ XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
+
+ xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
+ XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32, PropModeReplace,
+ (uchar *)&thispid, 1);
+
+ win.mode = MODE_NUMLOCK;
+ resettitle();
+ xhints();
+ XMapWindow(xw.dpy, xw.win);
+ XSync(xw.dpy, False);
+
+ clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1);
+ clock_gettime(CLOCK_MONOTONIC, &xsel.tclick2);
+ xsel.primary = NULL;
+ xsel.clipboard = NULL;
+ xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
+ if (xsel.xtarget == None)
+ xsel.xtarget = XA_STRING;
+}
+
+int xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len,
+ int x, int y) {
+ float winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
+ xp, yp;
+ ushort mode, prevmode = USHRT_MAX;
+ Font *font = &dc.font;
+ int frcflags = FRC_NORMAL;
+ float runewidth = win.cw;
+ Rune rune;
+ FT_UInt glyphidx;
+ FcResult fcres;
+ FcPattern *fcpattern, *fontpattern;
+ FcFontSet *fcsets[] = {NULL};
+ FcCharSet *fccharset;
+ int i, f, numspecs = 0;
+
+ for (i = 0, xp = winx, yp = winy + font->ascent + win.cyo; i < len; ++i) {
+ /* Fetch rune and mode for current glyph. */
+ rune = glyphs[i].u;
+ mode = glyphs[i].mode;
+
+ /* Skip dummy wide-character spacing. */
+ if (mode == ATTR_WDUMMY)
+ continue;
+
+ /* Determine font for glyph if different from previous glyph. */
+ if (prevmode != mode) {
+ prevmode = mode;
+ font = &dc.font;
+ frcflags = FRC_NORMAL;
+ runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
+ if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
+ font = &dc.ibfont;
+ frcflags = FRC_ITALICBOLD;
+ } else if (mode & ATTR_ITALIC) {
+ font = &dc.ifont;
+ frcflags = FRC_ITALIC;
+ } else if (mode & ATTR_BOLD) {
+ font = &dc.bfont;
+ frcflags = FRC_BOLD;
+ }
+ yp = winy + font->ascent + win.cyo;
+ }
+
+ /* Lookup character index with default font. */
+ glyphidx = XftCharIndex(xw.dpy, font->match, rune);
+ if (glyphidx) {
+ specs[numspecs].font = font->match;
+ specs[numspecs].glyph = glyphidx;
+ specs[numspecs].x = (short)xp + cxoffset;
+ specs[numspecs].y = (short)yp + cyoffset;
+ xp += runewidth;
+ numspecs++;
+ continue;
+ }
+
+ /* Fallback on font cache, search the font cache for match. */
+ for (f = 0; f < frclen; f++) {
+ glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
+ /* Everything correct. */
+ if (glyphidx && frc[f].flags == frcflags)
+ break;
+ /* We got a default font for a not found glyph. */
+ if (!glyphidx && frc[f].flags == frcflags && frc[f].unicodep == rune) {
+ break;
+ }
+ }
+
+ /* Nothing was found. Use fontconfig to find matching font. */
+ if (f >= frclen) {
+ if (!font->set)
+ font->set = FcFontSort(0, font->pattern, 1, 0, &fcres);
+ fcsets[0] = font->set;
+
+ /*
+ * Nothing was found in the cache. Now use
+ * some dozen of Fontconfig calls to get the
+ * font for one single character.
+ *
+ * Xft and fontconfig are design failures.
+ */
+ fcpattern = FcPatternDuplicate(font->pattern);
+ fccharset = FcCharSetCreate();
+
+ FcCharSetAddChar(fccharset, rune);
+ FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
+ FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
+
+ FcConfigSubstitute(0, fcpattern, FcMatchPattern);
+ FcDefaultSubstitute(fcpattern);
+
+ fontpattern = FcFontSetMatch(0, fcsets, 1, fcpattern, &fcres);
+
+ /* Allocate memory for the new cache entry. */
+ if (frclen >= frccap) {
+ frccap += 16;
+ frc = xrealloc(frc, frccap * sizeof(Fontcache));
+ }
+
+ frc[frclen].font = XftFontOpenPattern(xw.dpy, fontpattern);
+ if (!frc[frclen].font)
+ die("XftFontOpenPattern failed seeking fallback font: %s\n",
+ strerror(errno));
+ frc[frclen].flags = frcflags;
+ frc[frclen].unicodep = rune;
+
+ glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
+
+ f = frclen;
+ frclen++;
+
+ FcPatternDestroy(fcpattern);
+ FcCharSetDestroy(fccharset);
+ }
+
+ specs[numspecs].font = frc[f].font;
+ specs[numspecs].glyph = glyphidx;
+ specs[numspecs].x = (short)xp;
+ specs[numspecs].y = (short)yp;
+ xp += runewidth;
+ numspecs++;
+ }
+
+ return numspecs;
+}
+
+static int isSlopeRising(int x, int iPoint, int waveWidth) {
+ // . . . .
+ // / \ / \ / \ / \
// / \ / \ / \ / \
// . . . . .
- // Find absolute `x` of point
- x += iPoint * (waveWidth/2);
+ // Find absolute `x` of point
+ x += iPoint * (waveWidth / 2);
- // Find index of absolute wave
- int absSlope = x / ((float)waveWidth/2);
+ // Find index of absolute wave
+ int absSlope = x / ((float)waveWidth / 2);
- return (absSlope % 2);
+ return (absSlope % 2);
}
-static int getSlope (int x, int iPoint, int waveWidth)
-{
- // Sizes: Caps are half width of slopes
- // 1_2 1_2 1_2 1_2
- // / \ / \ / \ / \
+static int getSlope(int x, int iPoint, int waveWidth) {
+ // Sizes: Caps are half width of slopes
+ // 1_2 1_2 1_2 1_2
+ // / \ / \ / \ / \
// / \ / \ / \ / \
// 0 3_0 3_0 3_0 3_
- // <2-> <1> <---6---->
-
- // Find type of first point
- int firstType;
- x -= (x / waveWidth) * waveWidth;
- if (x < (waveWidth * (2.f/6.f)))
- firstType = UNDERCURL_SLOPE_ASCENDING;
- else if (x < (waveWidth * (3.f/6.f)))
- firstType = UNDERCURL_SLOPE_TOP_CAP;
- else if (x < (waveWidth * (5.f/6.f)))
- firstType = UNDERCURL_SLOPE_DESCENDING;
- else
- firstType = UNDERCURL_SLOPE_BOTTOM_CAP;
-
- // Find type of given point
- int pointType = (iPoint % 4);
- pointType += firstType;
- pointType %= 4;
-
- return pointType;
-}
-
-void
-xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y, int dmode)
-{
- int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
- int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
- width = charlen * win.cw;
- Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
- XRenderColor colfg, colbg;
- XRectangle r;
-
- /* Fallback on color display for attributes not supported by the font */
- if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) {
- if (dc.ibfont.badslant || dc.ibfont.badweight)
- base.fg = defaultattr;
- } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) ||
- (base.mode & ATTR_BOLD && dc.bfont.badweight)) {
- base.fg = defaultattr;
- }
-
- if (IS_TRUECOL(base.fg)) {
- colfg.alpha = 0xffff;
- colfg.red = TRUERED(base.fg);
- colfg.green = TRUEGREEN(base.fg);
- colfg.blue = TRUEBLUE(base.fg);
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
- fg = &truefg;
- } else {
- fg = &dc.col[base.fg];
- }
-
- if (IS_TRUECOL(base.bg)) {
- colbg.alpha = 0xffff;
- colbg.green = TRUEGREEN(base.bg);
- colbg.red = TRUERED(base.bg);
- colbg.blue = TRUEBLUE(base.bg);
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
- bg = &truebg;
- } else {
- bg = &dc.col[base.bg];
- }
-
- if (IS_SET(MODE_REVERSE)) {
- if (fg == &dc.col[defaultfg]) {
- fg = &dc.col[defaultbg];
- } else {
- colfg.red = ~fg->color.red;
- colfg.green = ~fg->color.green;
- colfg.blue = ~fg->color.blue;
- colfg.alpha = fg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
- &revfg);
- fg = &revfg;
- }
-
- if (bg == &dc.col[defaultbg]) {
- bg = &dc.col[defaultfg];
- } else {
- colbg.red = ~bg->color.red;
- colbg.green = ~bg->color.green;
- colbg.blue = ~bg->color.blue;
- colbg.alpha = bg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
- &revbg);
- bg = &revbg;
- }
- }
-
- if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
- colfg.red = fg->color.red / 2;
- colfg.green = fg->color.green / 2;
- colfg.blue = fg->color.blue / 2;
- colfg.alpha = fg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
- fg = &revfg;
- }
-
- if (base.mode & ATTR_REVERSE) {
- temp = fg;
- fg = bg;
- bg = temp;
- }
-
- if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK)
- fg = bg;
-
- if (base.mode & ATTR_INVISIBLE)
- fg = bg;
-
- if (dmode & DRAW_BG) {
- /* Intelligent cleaning up of the borders. */
- if (x == 0) {
- xclear(0, (y == 0)? 0 : winy, win.hborderpx,
- winy + win.ch +
- ((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
- }
- if (winx + width >= win.hborderpx + win.tw) {
- xclear(winx + width, (y == 0)? 0 : winy, win.w,
- ((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
- }
+ // <2-> <1> <---6---->
+
+ // Find type of first point
+ int firstType;
+ x -= (x / waveWidth) * waveWidth;
+ if (x < (waveWidth * (2.f / 6.f)))
+ firstType = UNDERCURL_SLOPE_ASCENDING;
+ else if (x < (waveWidth * (3.f / 6.f)))
+ firstType = UNDERCURL_SLOPE_TOP_CAP;
+ else if (x < (waveWidth * (5.f / 6.f)))
+ firstType = UNDERCURL_SLOPE_DESCENDING;
+ else
+ firstType = UNDERCURL_SLOPE_BOTTOM_CAP;
+
+ // Find type of given point
+ int pointType = (iPoint % 4);
+ pointType += firstType;
+ pointType %= 4;
+
+ return pointType;
+}
+
+void xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len,
+ int x, int y, int dmode) {
+ int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
+ int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
+ width = charlen * win.cw;
+ Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
+ XRenderColor colfg, colbg;
+ XRectangle r;
+
+ /* Fallback on color display for attributes not supported by the font */
+ if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) {
+ if (dc.ibfont.badslant || dc.ibfont.badweight)
+ base.fg = defaultattr;
+ } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) ||
+ (base.mode & ATTR_BOLD && dc.bfont.badweight)) {
+ base.fg = defaultattr;
+ }
+
+ if (IS_TRUECOL(base.fg)) {
+ colfg.alpha = 0xffff;
+ colfg.red = TRUERED(base.fg);
+ colfg.green = TRUEGREEN(base.fg);
+ colfg.blue = TRUEBLUE(base.fg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
+ fg = &truefg;
+ } else {
+ fg = &dc.col[base.fg];
+ }
+
+ if (IS_TRUECOL(base.bg)) {
+ colbg.alpha = 0xffff;
+ colbg.green = TRUEGREEN(base.bg);
+ colbg.red = TRUERED(base.bg);
+ colbg.blue = TRUEBLUE(base.bg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
+ bg = &truebg;
+ } else {
+ bg = &dc.col[base.bg];
+ }
+
+ if (IS_SET(MODE_REVERSE)) {
+ if (fg == &dc.col[defaultfg]) {
+ fg = &dc.col[defaultbg];
+ } else {
+ colfg.red = ~fg->color.red;
+ colfg.green = ~fg->color.green;
+ colfg.blue = ~fg->color.blue;
+ colfg.alpha = fg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+ fg = &revfg;
+ }
- if (y == 0)
- xclear(winx, 0, winx + width, win.vborderpx);
- if (winy + win.ch >= win.vborderpx + win.th)
- xclear(winx, winy + win.ch, winx + width, win.h);
- /* Fill the background */
- XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
+ if (bg == &dc.col[defaultbg]) {
+ bg = &dc.col[defaultfg];
+ } else {
+ colbg.red = ~bg->color.red;
+ colbg.green = ~bg->color.green;
+ colbg.blue = ~bg->color.blue;
+ colbg.alpha = bg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &revbg);
+ bg = &revbg;
+ }
+ }
+
+ if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
+ colfg.red = fg->color.red / 2;
+ colfg.green = fg->color.green / 2;
+ colfg.blue = fg->color.blue / 2;
+ colfg.alpha = fg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+ fg = &revfg;
+ }
+
+ if (base.mode & ATTR_REVERSE) {
+ temp = fg;
+ fg = bg;
+ bg = temp;
+ }
+
+ if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK)
+ fg = bg;
+
+ if (base.mode & ATTR_INVISIBLE)
+ fg = bg;
+
+ if (dmode & DRAW_BG) {
+ /* Intelligent cleaning up of the borders. */
+ if (x == 0) {
+ xclear(0, (y == 0) ? 0 : winy, win.hborderpx,
+ winy + win.ch +
+ ((winy + win.ch >= win.vborderpx + win.th) ? win.h : 0));
+ }
+ if (winx + width >= win.hborderpx + win.tw) {
+ xclear(winx + width, (y == 0) ? 0 : winy, win.w,
+ ((winy + win.ch >= win.vborderpx + win.th) ? win.h
+ : (winy + win.ch)));
}
- if (dmode & DRAW_FG) {
- /* Render the glyphs. */
- XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
-
- /* Render underline and strikethrough. */
- if (base.mode & ATTR_UNDERLINE) {
- // Underline Color
- const int widthThreshold = 28; // +1 width every widthThreshold px of font
- int wlw = (win.ch / widthThreshold) + 1; // Wave Line Width
- int linecolor;
- if ((base.ucolor[0] >= 0) &&
- !(base.mode & ATTR_BLINK && win.mode & MODE_BLINK) &&
- !(base.mode & ATTR_INVISIBLE)
- ) {
- // Special color for underline
- // Index
- if (base.ucolor[1] < 0) {
- linecolor = dc.col[base.ucolor[0]].pixel;
- }
- // RGB
- else {
- XColor lcolor;
- lcolor.red = base.ucolor[0] * 257;
- lcolor.green = base.ucolor[1] * 257;
- lcolor.blue = base.ucolor[2] * 257;
- lcolor.flags = DoRed | DoGreen | DoBlue;
- XAllocColor(xw.dpy, xw.cmap, &lcolor);
- linecolor = lcolor.pixel;
- }
- } else {
- // Foreground color for underline
- linecolor = fg->pixel;
- }
-
- XGCValues ugcv = {
- .foreground = linecolor,
- .line_width = wlw,
- .line_style = LineSolid,
- .cap_style = CapNotLast
- };
-
- GC ugc = XCreateGC(xw.dpy, XftDrawDrawable(xw.draw),
- GCForeground | GCLineWidth | GCLineStyle | GCCapStyle,
- &ugcv);
-
- // Underline Style
- if (base.ustyle != 3) {
- //XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, width, 1);
- XFillRectangle(xw.dpy, XftDrawDrawable(xw.draw), ugc, winx,
- winy + win.cyo + dc.font.ascent + 1, width, wlw);
- } else if (base.ustyle == 3) {
- int ww = win.cw;//width;
- int wh = dc.font.descent - wlw/2 - 1;//r.height/7;
- int wx = winx;
- int wy = winy + win.ch - dc.font.descent;
+ if (y == 0)
+ xclear(winx, 0, winx + width, win.vborderpx);
+ if (winy + win.ch >= win.vborderpx + win.th)
+ xclear(winx, winy + win.ch, winx + width, win.h);
+ /* Fill the background */
+ XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
+ }
+
+ if (dmode & DRAW_FG) {
+ /* Render the glyphs. */
+ XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
+
+ /* Render underline and strikethrough. */
+ if (base.mode & ATTR_UNDERLINE) {
+ // Underline Color
+ const int widthThreshold = 28; // +1 width every widthThreshold px of font
+ int wlw = (win.ch / widthThreshold) + 1; // Wave Line Width
+ int linecolor;
+ if ((base.ucolor[0] >= 0) &&
+ !(base.mode & ATTR_BLINK && win.mode & MODE_BLINK) &&
+ !(base.mode & ATTR_INVISIBLE)) {
+ // Special color for underline
+ // Index
+ if (base.ucolor[1] < 0) {
+ linecolor = dc.col[base.ucolor[0]].pixel;
+ }
+ // RGB
+ else {
+ XColor lcolor;
+ lcolor.red = base.ucolor[0] * 257;
+ lcolor.green = base.ucolor[1] * 257;
+ lcolor.blue = base.ucolor[2] * 257;
+ lcolor.flags = DoRed | DoGreen | DoBlue;
+ XAllocColor(xw.dpy, xw.cmap, &lcolor);
+ linecolor = lcolor.pixel;
+ }
+ } else {
+ // Foreground color for underline
+ linecolor = fg->pixel;
+ }
+
+ XGCValues ugcv = {.foreground = linecolor,
+ .line_width = wlw,
+ .line_style = LineSolid,
+ .cap_style = CapNotLast};
+
+ GC ugc = XCreateGC(xw.dpy, XftDrawDrawable(xw.draw),
+ GCForeground | GCLineWidth | GCLineStyle | GCCapStyle,
+ &ugcv);
+
+ // Underline Style
+ if (base.ustyle != 3) {
+ // XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, width, 1);
+ XFillRectangle(xw.dpy, XftDrawDrawable(xw.draw), ugc, winx,
+ winy + win.cyo + dc.font.ascent + 1, width, wlw);
+ } else if (base.ustyle == 3) {
+ int ww = win.cw; // width;
+ int wh = dc.font.descent - wlw / 2 - 1; // r.height/7;
+ int wx = winx;
+ int wy = winy + win.ch - dc.font.descent;
#if UNDERCURL_STYLE == UNDERCURL_CURLY
- // Draw waves
- int narcs = charlen * 2 + 1;
- XArc *arcs = xmalloc(sizeof(XArc) * narcs);
-
- int i = 0;
- for (i = 0; i < charlen-1; i++) {
- arcs[i*2] = (XArc) {
- .x = wx + win.cw * i + ww / 4,
- .y = wy,
- .width = win.cw / 2,
- .height = wh,
- .angle1 = 0,
- .angle2 = 180 * 64
- };
- arcs[i*2+1] = (XArc) {
- .x = wx + win.cw * i + ww * 0.75,
- .y = wy,
- .width = win.cw/2,
- .height = wh,
- .angle1 = 180 * 64,
- .angle2 = 180 * 64
- };
- }
- // Last wave
- arcs[i*2] = (XArc) {wx + ww * i + ww / 4, wy, ww / 2, wh,
- 0, 180 * 64 };
- // Last wave tail
- arcs[i*2+1] = (XArc) {wx + ww * i + ww * 0.75, wy, ceil(ww / 2.),
- wh, 180 * 64, 90 * 64};
- // First wave tail
- i++;
- arcs[i*2] = (XArc) {wx - ww/4 - 1, wy, ceil(ww / 2.), wh, 270 * 64,
- 90 * 64 };
-
- XDrawArcs(xw.dpy, XftDrawDrawable(xw.draw), ugc, arcs, narcs);
-
- free(arcs);
+ // Draw waves
+ int narcs = charlen * 2 + 1;
+ XArc *arcs = xmalloc(sizeof(XArc) * narcs);
+
+ int i = 0;
+ for (i = 0; i < charlen - 1; i++) {
+ arcs[i * 2] = (XArc){.x = wx + win.cw * i + ww / 4,
+ .y = wy,
+ .width = win.cw / 2,
+ .height = wh,
+ .angle1 = 0,
+ .angle2 = 180 * 64};
+ arcs[i * 2 + 1] = (XArc){.x = wx + win.cw * i + ww * 0.75,
+ .y = wy,
+ .width = win.cw / 2,
+ .height = wh,
+ .angle1 = 180 * 64,
+ .angle2 = 180 * 64};
+ }
+ // Last wave
+ arcs[i * 2] = (XArc){wx + ww * i + ww / 4, wy, ww / 2, wh, 0, 180 * 64};
+ // Last wave tail
+ arcs[i * 2 + 1] = (XArc){
+ wx + ww * i + ww * 0.75, wy, ceil(ww / 2.), wh, 180 * 64, 90 * 64};
+ // First wave tail
+ i++;
+ arcs[i * 2] =
+ (XArc){wx - ww / 4 - 1, wy, ceil(ww / 2.), wh, 270 * 64, 90 * 64};
+
+ XDrawArcs(xw.dpy, XftDrawDrawable(xw.draw), ugc, arcs, narcs);
+
+ free(arcs);
#elif UNDERCURL_STYLE == UNDERCURL_SPIKY
- // Make the underline corridor larger
- /*
- wy -= wh;
- */
- wh *= 2;
-
- // Set the angle of the slope to 45°
- ww = wh;
-
- // Position of wave is independent of word, it's absolute
- wx = (wx / (ww/2)) * (ww/2);
-
- int marginStart = winx - wx;
-
- // Calculate number of points with floating precision
- float n = width; // Width of word in pixels
- n = (n / ww) * 2; // Number of slopes (/ or \)
- n += 2; // Add two last points
- int npoints = n; // Convert to int
-
- // Total length of underline
- float waveLength = 0;
-
- if (npoints >= 3) {
- // We add an aditional slot in case we use a bonus point
- XPoint *points = xmalloc(sizeof(XPoint) * (npoints + 1));
-
- // First point (Starts with the word bounds)
- points[0] = (XPoint) {
- .x = wx + marginStart,
- .y = (isSlopeRising(wx, 0, ww))
- ? (wy - marginStart + ww/2.f)
- : (wy + marginStart)
- };
-
- // Second point (Goes back to the absolute point coordinates)
- points[1] = (XPoint) {
- .x = (ww/2.f) - marginStart,
- .y = (isSlopeRising(wx, 1, ww))
- ? (ww/2.f - marginStart)
- : (-ww/2.f + marginStart)
- };
- waveLength += (ww/2.f) - marginStart;
-
- // The rest of the points
- for (int i = 2; i < npoints-1; i++) {
- points[i] = (XPoint) {
- .x = ww/2,
- .y = (isSlopeRising(wx, i, ww))
- ? wh/2
- : -wh/2
- };
- waveLength += ww/2;
- }
-
- // Last point
- points[npoints-1] = (XPoint) {
- .x = ww/2,
- .y = (isSlopeRising(wx, npoints-1, ww))
- ? wh/2
- : -wh/2
- };
- waveLength += ww/2;
-
- // End
- if (waveLength < width) { // Add a bonus point?
- int marginEnd = width - waveLength;
- points[npoints] = (XPoint) {
- .x = marginEnd,
- .y = (isSlopeRising(wx, npoints, ww))
- ? (marginEnd)
- : (-marginEnd)
- };
-
- npoints++;
- } else if (waveLength > width) { // Is last point too far?
- int marginEnd = waveLength - width;
- points[npoints-1].x -= marginEnd;
- if (isSlopeRising(wx, npoints-1, ww))
- points[npoints-1].y -= (marginEnd);
- else
- points[npoints-1].y += (marginEnd);
- }
-
- // Draw the lines
- XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints,
- CoordModePrevious);
-
- // Draw a second underline with an offset of 1 pixel
- if ( ((win.ch / (widthThreshold/2)) % 2)) {
- points[0].x++;
-
- XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points,
- npoints, CoordModePrevious);
- }
-
- // Free resources
- free(points);
- }
+ // Make the underline corridor larger
+ /*
+ wy -= wh;
+ */
+ wh *= 2;
+
+ // Set the angle of the slope to 45°
+ ww = wh;
+
+ // Position of wave is independent of word, it's absolute
+ wx = (wx / (ww / 2)) * (ww / 2);
+
+ int marginStart = winx - wx;
+
+ // Calculate number of points with floating precision
+ float n = width; // Width of word in pixels
+ n = (n / ww) * 2; // Number of slopes (/ or \)
+ n += 2; // Add two last points
+ int npoints = n; // Convert to int
+
+ // Total length of underline
+ float waveLength = 0;
+
+ if (npoints >= 3) {
+ // We add an aditional slot in case we use a bonus point
+ XPoint *points = xmalloc(sizeof(XPoint) * (npoints + 1));
+
+ // First point (Starts with the word bounds)
+ points[0] = (XPoint){.x = wx + marginStart,
+ .y = (isSlopeRising(wx, 0, ww))
+ ? (wy - marginStart + ww / 2.f)
+ : (wy + marginStart)};
+
+ // Second point (Goes back to the absolute point coordinates)
+ points[1] = (XPoint){.x = (ww / 2.f) - marginStart,
+ .y = (isSlopeRising(wx, 1, ww))
+ ? (ww / 2.f - marginStart)
+ : (-ww / 2.f + marginStart)};
+ waveLength += (ww / 2.f) - marginStart;
+
+ // The rest of the points
+ for (int i = 2; i < npoints - 1; i++) {
+ points[i] =
+ (XPoint){.x = ww / 2,
+ .y = (isSlopeRising(wx, i, ww)) ? wh / 2 : -wh / 2};
+ waveLength += ww / 2;
+ }
+
+ // Last point
+ points[npoints - 1] = (XPoint){
+ .x = ww / 2,
+ .y = (isSlopeRising(wx, npoints - 1, ww)) ? wh / 2 : -wh / 2};
+ waveLength += ww / 2;
+
+ // End
+ if (waveLength < width) { // Add a bonus point?
+ int marginEnd = width - waveLength;
+ points[npoints] =
+ (XPoint){.x = marginEnd,
+ .y = (isSlopeRising(wx, npoints, ww)) ? (marginEnd)
+ : (-marginEnd)};
+
+ npoints++;
+ } else if (waveLength > width) { // Is last point too far?
+ int marginEnd = waveLength - width;
+ points[npoints - 1].x -= marginEnd;
+ if (isSlopeRising(wx, npoints - 1, ww))
+ points[npoints - 1].y -= (marginEnd);
+ else
+ points[npoints - 1].y += (marginEnd);
+ }
+
+ // Draw the lines
+ XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints,
+ CoordModePrevious);
+
+ // Draw a second underline with an offset of 1 pixel
+ if (((win.ch / (widthThreshold / 2)) % 2)) {
+ points[0].x++;
+
+ XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints,
+ CoordModePrevious);
+ }
+
+ // Free resources
+ free(points);
+ }
#else // UNDERCURL_CAPPED
- // Cap is half of wave width
- float capRatio = 0.5f;
-
- // Make the underline corridor larger
- wh *= 2;
-
- // Set the angle of the slope to 45°
- ww = wh;
- ww *= 1 + capRatio; // Add a bit of width for the cap
-
- // Position of wave is independent of word, it's absolute
- wx = (wx / ww) * ww;
-
- float marginStart;
- switch(getSlope(winx, 0, ww)) {
- case UNDERCURL_SLOPE_ASCENDING:
- marginStart = winx - wx;
- break;
- case UNDERCURL_SLOPE_TOP_CAP:
- marginStart = winx - (wx + (ww * (2.f/6.f)));
- break;
- case UNDERCURL_SLOPE_DESCENDING:
- marginStart = winx - (wx + (ww * (3.f/6.f)));
- break;
- case UNDERCURL_SLOPE_BOTTOM_CAP:
- marginStart = winx - (wx + (ww * (5.f/6.f)));
- break;
- }
-
- // Calculate number of points with floating precision
- float n = width; // Width of word in pixels
- // ._.
- n = (n / ww) * 4; // Number of points (./ \.)
- n += 2; // Add two last points
- int npoints = n; // Convert to int
-
- // Position of the pen to draw the lines
- float penX = 0;
- float penY = 0;
-
- if (npoints >= 3) {
- XPoint *points = xmalloc(sizeof(XPoint) * (npoints + 1));
-
- // First point (Starts with the word bounds)
- penX = winx;
- switch (getSlope(winx, 0, ww)) {
- case UNDERCURL_SLOPE_ASCENDING:
- penY = wy + wh/2.f - marginStart;
- break;
- case UNDERCURL_SLOPE_TOP_CAP:
- penY = wy;
- break;
- case UNDERCURL_SLOPE_DESCENDING:
- penY = wy + marginStart;
- break;
- case UNDERCURL_SLOPE_BOTTOM_CAP:
- penY = wy + wh/2.f;
- break;
- }
- points[0].x = penX;
- points[0].y = penY;
-
- // Second point (Goes back to the absolute point coordinates)
- switch (getSlope(winx, 1, ww)) {
- case UNDERCURL_SLOPE_ASCENDING:
- penX += ww * (1.f/6.f) - marginStart;
- penY += 0;
- break;
- case UNDERCURL_SLOPE_TOP_CAP:
- penX += ww * (2.f/6.f) - marginStart;
- penY += -wh/2.f + marginStart;
- break;
- case UNDERCURL_SLOPE_DESCENDING:
- penX += ww * (1.f/6.f) - marginStart;
- penY += 0;
- break;
- case UNDERCURL_SLOPE_BOTTOM_CAP:
- penX += ww * (2.f/6.f) - marginStart;
- penY += -marginStart + wh/2.f;
- break;
- }
- points[1].x = penX;
- points[1].y = penY;
-
- // The rest of the points
- for (int i = 2; i < npoints; i++) {
- switch (getSlope(winx, i, ww)) {
- case UNDERCURL_SLOPE_ASCENDING:
- case UNDERCURL_SLOPE_DESCENDING:
- penX += ww * (1.f/6.f);
- penY += 0;
- break;
- case UNDERCURL_SLOPE_TOP_CAP:
- penX += ww * (2.f/6.f);
- penY += -wh / 2.f;
- break;
- case UNDERCURL_SLOPE_BOTTOM_CAP:
- penX += ww * (2.f/6.f);
- penY += wh / 2.f;
- break;
- }
- points[i].x = penX;
- points[i].y = penY;
- }
-
- // End
- float waveLength = penX - winx;
- if (waveLength < width) { // Add a bonus point?
- int marginEnd = width - waveLength;
- penX += marginEnd;
- switch(getSlope(winx, npoints, ww)) {
- case UNDERCURL_SLOPE_ASCENDING:
- case UNDERCURL_SLOPE_DESCENDING:
- //penY += 0;
- break;
- case UNDERCURL_SLOPE_TOP_CAP:
- penY += -marginEnd;
- break;
- case UNDERCURL_SLOPE_BOTTOM_CAP:
- penY += marginEnd;
- break;
- }
-
- points[npoints].x = penX;
- points[npoints].y = penY;
-
- npoints++;
- } else if (waveLength > width) { // Is last point too far?
- int marginEnd = waveLength - width;
- points[npoints-1].x -= marginEnd;
- switch(getSlope(winx, npoints-1, ww)) {
- case UNDERCURL_SLOPE_TOP_CAP:
- points[npoints-1].y += marginEnd;
- break;
- case UNDERCURL_SLOPE_BOTTOM_CAP:
- points[npoints-1].y -= marginEnd;
- break;
- default:
- break;
- }
- }
-
- // Draw the lines
- XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints,
- CoordModeOrigin);
-
- // Draw a second underline with an offset of 1 pixel
- if ( ((win.ch / (widthThreshold/2)) % 2)) {
- for (int i = 0; i < npoints; i++)
- points[i].x++;
-
- XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points,
- npoints, CoordModeOrigin);
- }
-
- // Free resources
- free(points);
- }
+ // Cap is half of wave width
+ float capRatio = 0.5f;
+
+ // Make the underline corridor larger
+ wh *= 2;
+
+ // Set the angle of the slope to 45°
+ ww = wh;
+ ww *= 1 + capRatio; // Add a bit of width for the cap
+
+ // Position of wave is independent of word, it's absolute
+ wx = (wx / ww) * ww;
+
+ float marginStart;
+ switch (getSlope(winx, 0, ww)) {
+ case UNDERCURL_SLOPE_ASCENDING:
+ marginStart = winx - wx;
+ break;
+ case UNDERCURL_SLOPE_TOP_CAP:
+ marginStart = winx - (wx + (ww * (2.f / 6.f)));
+ break;
+ case UNDERCURL_SLOPE_DESCENDING:
+ marginStart = winx - (wx + (ww * (3.f / 6.f)));
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ marginStart = winx - (wx + (ww * (5.f / 6.f)));
+ break;
+ }
+
+ // Calculate number of points with floating precision
+ float n = width; // Width of word in pixels
+ // ._.
+ n = (n / ww) * 4; // Number of points (./ \.)
+ n += 2; // Add two last points
+ int npoints = n; // Convert to int
+
+ // Position of the pen to draw the lines
+ float penX = 0;
+ float penY = 0;
+
+ if (npoints >= 3) {
+ XPoint *points = xmalloc(sizeof(XPoint) * (npoints + 1));
+
+ // First point (Starts with the word bounds)
+ penX = winx;
+ switch (getSlope(winx, 0, ww)) {
+ case UNDERCURL_SLOPE_ASCENDING:
+ penY = wy + wh / 2.f - marginStart;
+ break;
+ case UNDERCURL_SLOPE_TOP_CAP:
+ penY = wy;
+ break;
+ case UNDERCURL_SLOPE_DESCENDING:
+ penY = wy + marginStart;
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ penY = wy + wh / 2.f;
+ break;
+ }
+ points[0].x = penX;
+ points[0].y = penY;
+
+ // Second point (Goes back to the absolute point coordinates)
+ switch (getSlope(winx, 1, ww)) {
+ case UNDERCURL_SLOPE_ASCENDING:
+ penX += ww * (1.f / 6.f) - marginStart;
+ penY += 0;
+ break;
+ case UNDERCURL_SLOPE_TOP_CAP:
+ penX += ww * (2.f / 6.f) - marginStart;
+ penY += -wh / 2.f + marginStart;
+ break;
+ case UNDERCURL_SLOPE_DESCENDING:
+ penX += ww * (1.f / 6.f) - marginStart;
+ penY += 0;
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ penX += ww * (2.f / 6.f) - marginStart;
+ penY += -marginStart + wh / 2.f;
+ break;
+ }
+ points[1].x = penX;
+ points[1].y = penY;
+
+ // The rest of the points
+ for (int i = 2; i < npoints; i++) {
+ switch (getSlope(winx, i, ww)) {
+ case UNDERCURL_SLOPE_ASCENDING:
+ case UNDERCURL_SLOPE_DESCENDING:
+ penX += ww * (1.f / 6.f);
+ penY += 0;
+ break;
+ case UNDERCURL_SLOPE_TOP_CAP:
+ penX += ww * (2.f / 6.f);
+ penY += -wh / 2.f;
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ penX += ww * (2.f / 6.f);
+ penY += wh / 2.f;
+ break;
+ }
+ points[i].x = penX;
+ points[i].y = penY;
+ }
+
+ // End
+ float waveLength = penX - winx;
+ if (waveLength < width) { // Add a bonus point?
+ int marginEnd = width - waveLength;
+ penX += marginEnd;
+ switch (getSlope(winx, npoints, ww)) {
+ case UNDERCURL_SLOPE_ASCENDING:
+ case UNDERCURL_SLOPE_DESCENDING:
+ // penY += 0;
+ break;
+ case UNDERCURL_SLOPE_TOP_CAP:
+ penY += -marginEnd;
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ penY += marginEnd;
+ break;
+ }
+
+ points[npoints].x = penX;
+ points[npoints].y = penY;
+
+ npoints++;
+ } else if (waveLength > width) { // Is last point too far?
+ int marginEnd = waveLength - width;
+ points[npoints - 1].x -= marginEnd;
+ switch (getSlope(winx, npoints - 1, ww)) {
+ case UNDERCURL_SLOPE_TOP_CAP:
+ points[npoints - 1].y += marginEnd;
+ break;
+ case UNDERCURL_SLOPE_BOTTOM_CAP:
+ points[npoints - 1].y -= marginEnd;
+ break;
+ default:
+ break;
+ }
+ }
+
+ // Draw the lines
+ XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints,
+ CoordModeOrigin);
+
+ // Draw a second underline with an offset of 1 pixel
+ if (((win.ch / (widthThreshold / 2)) % 2)) {
+ for (int i = 0; i < npoints; i++)
+ points[i].x++;
+
+ XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints,
+ CoordModeOrigin);
+ }
+
+ // Free resources
+ free(points);
+ }
#endif
- }
-
- XFreeGC(xw.dpy, ugc);
- }
- }
-
- if (base.mode & ATTR_STRUCK) {
- XftDrawRect(xw.draw, fg, winx, winy + win.cyo + 2 * dc.font.ascent * chscale / 3,
- width, 1);
- }
-
- /* Reset clip to none. */
- XftDrawSetClip(xw.draw, 0);
-}
-
-void
-xdrawglyph(Glyph g, int x, int y)
-{
- int numspecs;
- XftGlyphFontSpec spec;
-
- numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
- xdrawglyphfontspecs(&spec, g, numspecs, x, y, DRAW_BG | DRAW_FG);
-}
-
-void
-xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og, Line line, int len)
-{
- Color drawcol;
-
- /* remove the old cursor */
- if (selected(ox, oy))
- og.mode ^= ATTR_REVERSE;
-
- /* Redraw the line where cursor was previously.
- * It will restore wide glyphs and ligatures broken by the cursor. */
- xdrawline(line, 0, oy, len);
-
- if (IS_SET(MODE_HIDE))
- return;
-
- /*
- * Select the right color for the right mode.
- */
- g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE;
-
- if (IS_SET(MODE_REVERSE)) {
- g.mode |= ATTR_REVERSE;
- g.bg = defaultfg;
- if (selected(cx, cy)) {
- drawcol = dc.col[defaultcs];
- g.fg = defaultrcs;
- } else {
- drawcol = dc.col[defaultrcs];
- g.fg = defaultcs;
- }
- } else {
- if (selected(cx, cy)) {
- g.fg = defaultfg;
- g.bg = defaultrcs;
- } else {
- g.fg = defaultbg;
- g.bg = defaultcs;
- }
- drawcol = dc.col[g.bg];
- }
-
- /* draw the new one */
- if (IS_SET(MODE_FOCUSED)) {
- switch (win.cursor) {
- default:
- case 0: /* blinking block */
- case 1: /* blinking block (default) */
- if (IS_SET(MODE_BLINK))
- break;
- /* FALLTHROUGH */
- case 2: /* steady block */
- xdrawglyph(g, cx, cy);
- break;
- case 3: /* blinking underline */
- if (IS_SET(MODE_BLINK))
- break;
- /* FALLTHROUGH */
- case 4: /* steady underline */
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + cx * win.cw,
- win.vborderpx + (cy + 1) * win.ch - \
- cursorthickness,
- win.cw, cursorthickness);
- break;
- case 5: /* blinking bar */
- if (IS_SET(MODE_BLINK))
- break;
- /* FALLTHROUGH */
- case 6: /* steady bar */
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + cx * win.cw,
- win.vborderpx + cy * win.ch,
- cursorthickness, win.ch);
- break;
- case 7: /* blinking st cursor */
- if (IS_SET(MODE_BLINK))
- break;
- /* FALLTHROUGH */
- case 8: /* steady st cursor */
- g.u = stcursor;
- xdrawglyph(g, cx, cy);
- break;
- }
- } else {
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + cx * win.cw,
- win.vborderpx + cy * win.ch,
- win.cw - 1, 1);
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + cx * win.cw,
- win.vborderpx + cy * win.ch,
- 1, win.ch - 1);
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + (cx + 1) * win.cw - 1,
- win.vborderpx + cy * win.ch,
- 1, win.ch - 1);
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + cx * win.cw,
- win.vborderpx + (cy + 1) * win.ch - 1,
- win.cw, 1);
- }
-}
-
-void
-xsetenv(void)
-{
- char buf[sizeof(long) * 8 + 1];
-
- snprintf(buf, sizeof(buf), "%lu", xw.win);
- setenv("WINDOWID", buf, 1);
-}
-
-void
-xseticontitle(char *p)
-{
- XTextProperty prop;
- DEFAULT(p, opt_title);
-
- if (p[0] == '\0')
- p = opt_title;
-
- if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
- &prop) != Success)
- return;
- XSetWMIconName(xw.dpy, xw.win, &prop);
- XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmiconname);
- XFree(prop.value);
-}
-
-void
-xfreetitlestack(void)
-{
- for (int i = 0; i < LEN(titlestack); i++) {
- free(titlestack[i]);
- titlestack[i] = NULL;
- }
-}
-
-void
-xsettitle(char *p, int pop)
-{
- XTextProperty prop;
-
- free(titlestack[tstki]);
- if (pop) {
- titlestack[tstki] = NULL;
- tstki = (tstki - 1 + TITLESTACKSIZE) % TITLESTACKSIZE;
- p = titlestack[tstki] ? titlestack[tstki] : opt_title;
- } else if (p) {
- titlestack[tstki] = xstrdup(p);
- } else {
- titlestack[tstki] = NULL;
- p = opt_title;
- }
-
- if (p[0] == '\0')
- p = opt_title;
-
- if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
- &prop) != Success)
- return;
- XSetWMName(xw.dpy, xw.win, &prop);
- XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
- XFree(prop.value);
-}
-
-void
-xpushtitle(void)
-{
- int tstkin = (tstki + 1) % TITLESTACKSIZE;
-
- free(titlestack[tstkin]);
- titlestack[tstkin] = titlestack[tstki] ? xstrdup(titlestack[tstki]) : NULL;
- tstki = tstkin;
-}
-
-int
-xstartdraw(void)
-{
- return IS_SET(MODE_VISIBLE);
-}
-
-void
-xdrawline(Line line, int x1, int y1, int x2)
-{
- int i, x, ox, numspecs, numspecs_cached;
- Glyph base, new;
- XftGlyphFontSpec *specs;
-
- numspecs_cached = xmakeglyphfontspecs(xw.specbuf, &line[x1], x2 - x1, x1, y1);
-
- /* Draw line in 2 passes: background and foreground. This way wide glyphs
- won't get truncated (#223) */
- for (int dmode = DRAW_BG; dmode <= DRAW_FG; dmode <<= 1) {
- specs = xw.specbuf;
- numspecs = numspecs_cached;
- i = ox = 0;
- for (x = x1; x < x2 && i < numspecs; x++) {
- new = line[x];
- if (new.mode == ATTR_WDUMMY)
- continue;
- if (selected(x, y1))
- new.mode ^= ATTR_REVERSE;
- if (i > 0 && ATTRCMP(base, new)) {
- xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
- specs += i;
- numspecs -= i;
- i = 0;
- }
- if (i == 0) {
- ox = x;
- base = new;
- }
- i++;
- }
- if (i > 0)
- xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
- }
-}
-
-void
-xfinishdraw(void)
-{
- XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w,
- win.h, 0, 0);
- XSetForeground(xw.dpy, dc.gc,
- dc.col[IS_SET(MODE_REVERSE)?
- defaultfg : defaultbg].pixel);
-}
-
-void
-xximspot(int x, int y)
-{
- if (xw.ime.xic == NULL)
- return;
-
- xw.ime.spot.x = borderpx + x * win.cw;
- xw.ime.spot.y = borderpx + (y + 1) * win.ch;
-
- XSetICValues(xw.ime.xic, XNPreeditAttributes, xw.ime.spotlist, NULL);
-}
-
-void
-expose(XEvent *ev)
-{
- redraw();
-}
-
-void
-visibility(XEvent *ev)
-{
- XVisibilityEvent *e = &ev->xvisibility;
-
- MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIBLE);
-}
-
-void
-unmap(XEvent *ev)
-{
- win.mode &= ~MODE_VISIBLE;
-}
-
-void
-xsetpointermotion(int set)
-{
- MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
- XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
-}
-
-void
-xsetmode(int set, unsigned int flags)
-{
- int mode = win.mode;
- MODBIT(win.mode, set, flags);
- if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE))
- redraw();
-}
-
-int
-xsetcursor(int cursor)
-{
- if (!BETWEEN(cursor, 0, 8)) /* 7-8: st extensions */
- return 1;
- win.cursor = cursor;
- cursorblinks = win.cursor == 0 || win.cursor == 1 ||
- win.cursor == 3 || win.cursor == 5 ||
- win.cursor == 7;
- return 0;
-}
-
-void
-xseturgency(int add)
-{
- XWMHints *h = XGetWMHints(xw.dpy, xw.win);
-
- MODBIT(h->flags, add, XUrgencyHint);
- XSetWMHints(xw.dpy, xw.win, h);
- XFree(h);
-}
-
-void
-xbell(void)
-{
- if (!(IS_SET(MODE_FOCUSED)))
- xseturgency(1);
- if (bellvolume)
- XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
-}
-
-void
-focus(XEvent *ev)
-{
- XFocusChangeEvent *e = &ev->xfocus;
-
- if (e->mode == NotifyGrab)
- return;
-
- if (ev->type == FocusIn) {
- if (xw.ime.xic)
- XSetICFocus(xw.ime.xic);
- win.mode |= MODE_FOCUSED;
- xseturgency(0);
- if (IS_SET(MODE_FOCUS))
- ttywrite("\033[I", 3, 0);
- } else {
- if (xw.ime.xic)
- XUnsetICFocus(xw.ime.xic);
- win.mode &= ~MODE_FOCUSED;
- if (IS_SET(MODE_FOCUS))
- ttywrite("\033[O", 3, 0);
- }
-}
-
-int
-match(uint mask, uint state)
-{
- return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
-}
-
-char*
-kmap(KeySym k, uint state)
-{
- Key *kp;
- int i;
-
- /* Check for mapped keys out of X11 function keys. */
- for (i = 0; i < LEN(mappedkeys); i++) {
- if (mappedkeys[i] == k)
- break;
- }
- if (i == LEN(mappedkeys)) {
- if ((k & 0xFFFF) < 0xFD00)
- return NULL;
- }
-
- for (kp = key; kp < key + LEN(key); kp++) {
- if (kp->k != k)
- continue;
-
- if (!match(kp->mask, state))
- continue;
-
- if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
- continue;
- if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2)
- continue;
-
- if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
- continue;
-
- return kp->s;
- }
-
- return NULL;
-}
-
-void
-kpress(XEvent *ev)
-{
- XKeyEvent *e = &ev->xkey;
- KeySym ksym = NoSymbol;
- char buf[64], *customkey;
- int len;
- Rune c;
- Status status;
- Shortcut *bp;
-
- if (IS_SET(MODE_KBDLOCK))
- return;
-
- if (xw.ime.xic) {
- len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
- if (status == XBufferOverflow)
- return;
- } else {
- len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
- }
- /* 1. shortcuts */
- for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
- if (ksym == bp->keysym && match(bp->mod, e->state)) {
- bp->func(&(bp->arg));
- return;
- }
- }
-
- /* 2. custom keys from config.h */
- if ((customkey = kmap(ksym, e->state))) {
- ttywrite(customkey, strlen(customkey), 1);
- return;
- }
-
- /* 3. composed string from input method */
- if (len == 0)
- return;
- if (len == 1 && e->state & Mod1Mask) {
- if (IS_SET(MODE_8BIT)) {
- if (*buf < 0177) {
- c = *buf | 0x80;
- len = utf8encode(c, buf);
- }
- } else {
- buf[1] = buf[0];
- buf[0] = '\033';
- len = 2;
- }
- }
- ttywrite(buf, len, 1);
-}
-
-void
-cmessage(XEvent *e)
-{
- /*
- * See xembed specs
- * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
- */
- if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
- if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
- win.mode |= MODE_FOCUSED;
- xseturgency(0);
- } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
- win.mode &= ~MODE_FOCUSED;
- }
- } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
- ttyhangup();
- exit(0);
- }
-}
-
-void
-resize(XEvent *e)
-{
- if (e->xconfigure.width == win.w && e->xconfigure.height == win.h)
- return;
-
- cresize(e->xconfigure.width, e->xconfigure.height);
-}
-
-void
-run(void)
-{
- XEvent ev;
- int w = win.w, h = win.h;
- fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy), ttyfd, xev, drawing;
- struct timespec seltv, *tv, now, lastblink, trigger;
- double timeout;
-
- /* Waiting for window mapping */
- do {
- XNextEvent(xw.dpy, &ev);
- /*
- * This XFilterEvent call is required because of XOpenIM. It
- * does filter out the key event and some client message for
- * the input method too.
- */
- if (XFilterEvent(&ev, None))
- continue;
- if (ev.type == ConfigureNotify) {
- w = ev.xconfigure.width;
- h = ev.xconfigure.height;
- }
- } while (ev.type != MapNotify);
-
- ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd);
- cresize(w, h);
-
- for (timeout = -1, drawing = 0, lastblink = (struct timespec){0};;) {
- FD_ZERO(&rfd);
- FD_SET(ttyfd, &rfd);
- FD_SET(xfd, &rfd);
-
- if (XPending(xw.dpy))
- timeout = 0; /* existing events might not set xfd */
-
- seltv.tv_sec = timeout / 1E3;
- seltv.tv_nsec = 1E6 * (timeout - 1E3 * seltv.tv_sec);
- tv = timeout >= 0 ? &seltv : NULL;
-
- if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
- if (errno == EINTR)
- continue;
- die("select failed: %s\n", strerror(errno));
- }
- clock_gettime(CLOCK_MONOTONIC, &now);
-
- if (FD_ISSET(ttyfd, &rfd))
- ttyread();
-
- xev = 0;
- while (XPending(xw.dpy)) {
- xev = 1;
- XNextEvent(xw.dpy, &ev);
- if (XFilterEvent(&ev, None))
- continue;
- if (handler[ev.type])
- (handler[ev.type])(&ev);
- }
-
- /*
- * To reduce flicker and tearing, when new content or event
- * triggers drawing, we first wait a bit to ensure we got
- * everything, and if nothing new arrives - we draw.
- * We start with trying to wait minlatency ms. If more content
- * arrives sooner, we retry with shorter and shorter periods,
- * and eventually draw even without idle after maxlatency ms.
- * Typically this results in low latency while interacting,
- * maximum latency intervals during `cat huge.txt`, and perfect
- * sync with periodic updates from animations/key-repeats/etc.
- */
- if (FD_ISSET(ttyfd, &rfd) || xev) {
- if (!drawing) {
- trigger = now;
- if (IS_SET(MODE_BLINK)) {
- win.mode ^= MODE_BLINK;
- }
- lastblink = now;
- drawing = 1;
- }
- timeout = (maxlatency - TIMEDIFF(now, trigger)) \
- / maxlatency * minlatency;
- if (timeout > 0)
- continue; /* we have time, try to find idle */
- }
-
- /* idle detected or maxlatency exhausted -> draw */
- timeout = -1;
- if (blinktimeout && (cursorblinks || tattrset(ATTR_BLINK))) {
- timeout = blinktimeout - TIMEDIFF(now, lastblink);
- if (timeout <= 0) {
- if (-timeout > blinktimeout) /* start visible */
- win.mode |= MODE_BLINK;
- win.mode ^= MODE_BLINK;
- tsetdirtattr(ATTR_BLINK);
- lastblink = now;
- timeout = blinktimeout;
- }
- }
-
- draw();
- XFlush(xw.dpy);
- drawing = 0;
- }
-}
-
-
-#define XRESOURCE_LOAD_META(NAME) \
- if(!XrmGetResource(xrdb, "st." NAME, "st." NAME, &type, &ret)) \
- XrmGetResource(xrdb, "*." NAME, "*." NAME, &type, &ret); \
- if (ret.addr != NULL && !strncmp("String", type, 64))
-
-#define XRESOURCE_LOAD_STRING(NAME, DST) \
- XRESOURCE_LOAD_META(NAME) \
- DST = ret.addr;
-
-#define XRESOURCE_LOAD_CHAR(NAME, DST) \
- XRESOURCE_LOAD_META(NAME) \
- DST = ret.addr[0];
-
-#define XRESOURCE_LOAD_INTEGER(NAME, DST) \
- XRESOURCE_LOAD_META(NAME) \
- DST = strtoul(ret.addr, NULL, 10);
-
-#define XRESOURCE_LOAD_FLOAT(NAME, DST) \
- XRESOURCE_LOAD_META(NAME) \
- DST = strtof(ret.addr, NULL);
-
-void
-xrdb_load(void)
-{
- /* XXX */
- char *xrm;
- char *type;
- XrmDatabase xrdb;
- XrmValue ret;
- Display *dpy;
-
- if(!(dpy = XOpenDisplay(NULL)))
- die("Can't open display\n");
-
- XrmInitialize();
- xrm = XResourceManagerString(dpy);
-
- if (xrm != NULL) {
- xrdb = XrmGetStringDatabase(xrm);
-
- /* handling colors here without macros to do via loop. */
- int i = 0;
- char loadValue[12] = "";
- for (i = 0; i < 256; i++)
- {
- sprintf(loadValue, "%s%d", "st.color", i);
-
- if(!XrmGetResource(xrdb, loadValue, loadValue, &type, &ret))
- {
- sprintf(loadValue, "%s%d", "*.color", i);
- if (!XrmGetResource(xrdb, loadValue, loadValue, &type, &ret))
- /* reset if not found (unless in range for defaults). */
- if (i > 15)
- colorname[i] = NULL;
- }
-
- if (ret.addr != NULL && !strncmp("String", type, 64))
- colorname[i] = ret.addr;
- }
-
- XRESOURCE_LOAD_STRING("foreground", colorname[defaultfg]);
- XRESOURCE_LOAD_STRING("background", colorname[defaultbg]);
- XRESOURCE_LOAD_STRING("cursorColor", colorname[defaultcs])
- else {
- // this looks confusing because we are chaining off of the if
- // in the macro. probably we should be wrapping everything blocks
- // so this isn't possible...
- defaultcs = defaultfg;
- }
- XRESOURCE_LOAD_STRING("reverse-cursor", colorname[defaultrcs])
- else {
- // see above.
- defaultrcs = defaultbg;
- }
-
- XRESOURCE_LOAD_STRING("font", font);
- XRESOURCE_LOAD_STRING("termname", termname);
-
- XRESOURCE_LOAD_INTEGER("blinktimeout", blinktimeout);
- XRESOURCE_LOAD_INTEGER("bellvolume", bellvolume);
- XRESOURCE_LOAD_INTEGER("borderpx", borderpx);
- XRESOURCE_LOAD_INTEGER("cursorstyle", cursorstyle);
-
- XRESOURCE_LOAD_FLOAT("cwscale", cwscale);
- XRESOURCE_LOAD_FLOAT("chscale", chscale);
- }
- XFlush(dpy);
-}
-
-void
-reload(int sig)
-{
- xrdb_load();
-
- /* colors, fonts */
- xloadcols();
- xunloadfonts();
- xloadfonts(font, 0);
-
- /* pretend the window just got resized */
- cresize(win.w, win.h);
-
- redraw();
-
- /* triggers re-render if we're visible. */
- ttywrite("\033[O", 3, 1);
-
- signal(SIGUSR1, reload);
-}
-
-
-void
-usage(void)
-{
- die("usage: %s [-aiv] [-c class] [-d path] [-f font]"
- " [-g geometry] [-n name] [-o file]\n"
- " [-T title] [-t title] [-w windowid]"
- " [[-e] command [args ...]]\n"
- " %s [-aiv] [-c class] [-d path] [-f font]"
- " [-g geometry] [-n name] [-o file]\n"
- " [-T title] [-t title] [-w windowid] -l line"
- " [stty_args ...]\n", argv0, argv0);
-}
-
-int
-main(int argc, char *argv[])
-{
- xw.l = xw.t = 0;
- xw.isfixed = False;
- xsetcursor(cursorstyle);
-
- ARGBEGIN {
- case 'a':
- allowaltscreen = 0;
- break;
- case 'A':
- alpha = strtof(EARGF(usage()), NULL);
- LIMIT(alpha, 0.0, 1.0);
- break;
- case 'c':
- opt_class = EARGF(usage());
- break;
- case 'e':
- if (argc > 0)
- --argc, ++argv;
- goto run;
- case 'f':
- opt_font = EARGF(usage());
- break;
- case 'g':
- xw.gm = XParseGeometry(EARGF(usage()),
- &xw.l, &xw.t, &cols, &rows);
- break;
- case 'i':
- xw.isfixed = 1;
- break;
- case 'o':
- opt_io = EARGF(usage());
- break;
- case 'l':
- opt_line = EARGF(usage());
- break;
- case 'n':
- opt_name = EARGF(usage());
- break;
- case 't':
- case 'T':
- opt_title = EARGF(usage());
- break;
- case 'w':
- opt_embed = EARGF(usage());
- break;
- case 'v':
- die("%s " VERSION "\n", argv0);
- break;
- case 'z':
- defaultfontsize = strtod(EARGF(usage()), NULL);
- if (!(defaultfontsize > 0))
- usage();
- break;
- case 'd':
- opt_dir = EARGF(usage());
- break;
- default:
- usage();
- } ARGEND;
+ }
+
+ XFreeGC(xw.dpy, ugc);
+ }
+ }
+
+ if (base.mode & ATTR_STRUCK) {
+ XftDrawRect(xw.draw, fg, winx,
+ winy + win.cyo + 2 * dc.font.ascent * chscale / 3, width, 1);
+ }
+
+ /* Reset clip to none. */
+ XftDrawSetClip(xw.draw, 0);
+}
+
+void xdrawglyph(Glyph g, int x, int y) {
+ int numspecs;
+ XftGlyphFontSpec spec;
+
+ numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
+ xdrawglyphfontspecs(&spec, g, numspecs, x, y, DRAW_BG | DRAW_FG);
+}
+
+void xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og, Line line,
+ int len) {
+ Color drawcol;
+
+ /* remove the old cursor */
+ if (selected(ox, oy))
+ og.mode ^= ATTR_REVERSE;
+
+ /* Redraw the line where cursor was previously.
+ * It will restore wide glyphs and ligatures broken by the cursor. */
+ xdrawline(line, 0, oy, len);
+
+ if (IS_SET(MODE_HIDE))
+ return;
+
+ /*
+ * Select the right color for the right mode.
+ */
+ g.mode &= ATTR_BOLD | ATTR_ITALIC | ATTR_UNDERLINE | ATTR_STRUCK | ATTR_WIDE;
+
+ if (IS_SET(MODE_REVERSE)) {
+ g.mode |= ATTR_REVERSE;
+ g.bg = defaultfg;
+ if (selected(cx, cy)) {
+ drawcol = dc.col[defaultcs];
+ g.fg = defaultrcs;
+ } else {
+ drawcol = dc.col[defaultrcs];
+ g.fg = defaultcs;
+ }
+ } else {
+ if (selected(cx, cy)) {
+ g.fg = defaultfg;
+ g.bg = defaultrcs;
+ } else {
+ g.fg = defaultbg;
+ g.bg = defaultcs;
+ }
+ drawcol = dc.col[g.bg];
+ }
+
+ /* draw the new one */
+ if (IS_SET(MODE_FOCUSED)) {
+ switch (win.cursor) {
+ default:
+ case 0: /* blinking block */
+ case 1: /* blinking block (default) */
+ if (IS_SET(MODE_BLINK))
+ break;
+ /* FALLTHROUGH */
+ case 2: /* steady block */
+ xdrawglyph(g, cx, cy);
+ break;
+ case 3: /* blinking underline */
+ if (IS_SET(MODE_BLINK))
+ break;
+ /* FALLTHROUGH */
+ case 4: /* steady underline */
+ XftDrawRect(xw.draw, &drawcol, win.hborderpx + cx * win.cw,
+ win.vborderpx + (cy + 1) * win.ch - cursorthickness, win.cw,
+ cursorthickness);
+ break;
+ case 5: /* blinking bar */
+ if (IS_SET(MODE_BLINK))
+ break;
+ /* FALLTHROUGH */
+ case 6: /* steady bar */
+ XftDrawRect(xw.draw, &drawcol, win.hborderpx + cx * win.cw,
+ win.vborderpx + cy * win.ch, cursorthickness, win.ch);
+ break;
+ case 7: /* blinking st cursor */
+ if (IS_SET(MODE_BLINK))
+ break;
+ /* FALLTHROUGH */
+ case 8: /* steady st cursor */
+ g.u = stcursor;
+ xdrawglyph(g, cx, cy);
+ break;
+ }
+ } else {
+ XftDrawRect(xw.draw, &drawcol, win.hborderpx + cx * win.cw,
+ win.vborderpx + cy * win.ch, win.cw - 1, 1);
+ XftDrawRect(xw.draw, &drawcol, win.hborderpx + cx * win.cw,
+ win.vborderpx + cy * win.ch, 1, win.ch - 1);
+ XftDrawRect(xw.draw, &drawcol, win.hborderpx + (cx + 1) * win.cw - 1,
+ win.vborderpx + cy * win.ch, 1, win.ch - 1);
+ XftDrawRect(xw.draw, &drawcol, win.hborderpx + cx * win.cw,
+ win.vborderpx + (cy + 1) * win.ch - 1, win.cw, 1);
+ }
+}
+
+void xsetenv(void) {
+ char buf[sizeof(long) * 8 + 1];
+
+ snprintf(buf, sizeof(buf), "%lu", xw.win);
+ setenv("WINDOWID", buf, 1);
+}
+
+void xseticontitle(char *p) {
+ XTextProperty prop;
+ DEFAULT(p, opt_title);
+
+ if (p[0] == '\0')
+ p = opt_title;
+
+ if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, &prop) !=
+ Success)
+ return;
+ XSetWMIconName(xw.dpy, xw.win, &prop);
+ XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmiconname);
+ XFree(prop.value);
+}
+
+void xfreetitlestack(void) {
+ for (int i = 0; i < LEN(titlestack); i++) {
+ free(titlestack[i]);
+ titlestack[i] = NULL;
+ }
+}
+
+void xsettitle(char *p, int pop) {
+ XTextProperty prop;
+
+ free(titlestack[tstki]);
+ if (pop) {
+ titlestack[tstki] = NULL;
+ tstki = (tstki - 1 + TITLESTACKSIZE) % TITLESTACKSIZE;
+ p = titlestack[tstki] ? titlestack[tstki] : opt_title;
+ } else if (p) {
+ titlestack[tstki] = xstrdup(p);
+ } else {
+ titlestack[tstki] = NULL;
+ p = opt_title;
+ }
+
+ if (p[0] == '\0')
+ p = opt_title;
+
+ if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, &prop) !=
+ Success)
+ return;
+ XSetWMName(xw.dpy, xw.win, &prop);
+ XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
+ XFree(prop.value);
+}
+
+void xpushtitle(void) {
+ int tstkin = (tstki + 1) % TITLESTACKSIZE;
+
+ free(titlestack[tstkin]);
+ titlestack[tstkin] = titlestack[tstki] ? xstrdup(titlestack[tstki]) : NULL;
+ tstki = tstkin;
+}
+
+int xstartdraw(void) { return IS_SET(MODE_VISIBLE); }
+
+void xdrawline(Line line, int x1, int y1, int x2) {
+ int i, x, ox, numspecs, numspecs_cached;
+ Glyph base, new;
+ XftGlyphFontSpec *specs;
+
+ numspecs_cached = xmakeglyphfontspecs(xw.specbuf, &line[x1], x2 - x1, x1, y1);
+
+ /* Draw line in 2 passes: background and foreground. This way wide glyphs
+ won't get truncated (#223) */
+ for (int dmode = DRAW_BG; dmode <= DRAW_FG; dmode <<= 1) {
+ specs = xw.specbuf;
+ numspecs = numspecs_cached;
+ i = ox = 0;
+ for (x = x1; x < x2 && i < numspecs; x++) {
+ new = line[x];
+ if (new.mode == ATTR_WDUMMY)
+ continue;
+ if (selected(x, y1))
+ new.mode ^= ATTR_REVERSE;
+ if (i > 0 && ATTRCMP(base, new)) {
+ xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
+ specs += i;
+ numspecs -= i;
+ i = 0;
+ }
+ if (i == 0) {
+ ox = x;
+ base = new;
+ }
+ i++;
+ }
+ if (i > 0)
+ xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
+ }
+}
+
+void xfinishdraw(void) {
+ XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w, win.h, 0, 0);
+ XSetForeground(xw.dpy, dc.gc,
+ dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg].pixel);
+}
+
+void xximspot(int x, int y) {
+ if (xw.ime.xic == NULL)
+ return;
+
+ xw.ime.spot.x = borderpx + x * win.cw;
+ xw.ime.spot.y = borderpx + (y + 1) * win.ch;
+
+ XSetICValues(xw.ime.xic, XNPreeditAttributes, xw.ime.spotlist, NULL);
+}
+
+void expose(XEvent *ev) { redraw(); }
+
+void visibility(XEvent *ev) {
+ XVisibilityEvent *e = &ev->xvisibility;
+
+ MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIBLE);
+}
+
+void unmap(XEvent *ev) { win.mode &= ~MODE_VISIBLE; }
+
+void xsetpointermotion(int set) {
+ MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
+ XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
+}
+
+void xsetmode(int set, unsigned int flags) {
+ int mode = win.mode;
+ MODBIT(win.mode, set, flags);
+ if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE))
+ redraw();
+}
+
+int xsetcursor(int cursor) {
+ if (!BETWEEN(cursor, 0, 8)) /* 7-8: st extensions */
+ return 1;
+ win.cursor = cursor;
+ cursorblinks = win.cursor == 0 || win.cursor == 1 || win.cursor == 3 ||
+ win.cursor == 5 || win.cursor == 7;
+ return 0;
+}
+
+void xseturgency(int add) {
+ XWMHints *h = XGetWMHints(xw.dpy, xw.win);
+
+ MODBIT(h->flags, add, XUrgencyHint);
+ XSetWMHints(xw.dpy, xw.win, h);
+ XFree(h);
+}
+
+void xbell(void) {
+ if (!(IS_SET(MODE_FOCUSED)))
+ xseturgency(1);
+ if (bellvolume)
+ XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
+}
+
+void focus(XEvent *ev) {
+ XFocusChangeEvent *e = &ev->xfocus;
+
+ if (e->mode == NotifyGrab)
+ return;
+
+ if (ev->type == FocusIn) {
+ if (xw.ime.xic)
+ XSetICFocus(xw.ime.xic);
+ win.mode |= MODE_FOCUSED;
+ xseturgency(0);
+ if (IS_SET(MODE_FOCUS))
+ ttywrite("\033[I", 3, 0);
+ } else {
+ if (xw.ime.xic)
+ XUnsetICFocus(xw.ime.xic);
+ win.mode &= ~MODE_FOCUSED;
+ if (IS_SET(MODE_FOCUS))
+ ttywrite("\033[O", 3, 0);
+ }
+}
+
+int match(uint mask, uint state) {
+ return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
+}
+
+char *kmap(KeySym k, uint state) {
+ Key *kp;
+ int i;
+
+ /* Check for mapped keys out of X11 function keys. */
+ for (i = 0; i < LEN(mappedkeys); i++) {
+ if (mappedkeys[i] == k)
+ break;
+ }
+ if (i == LEN(mappedkeys)) {
+ if ((k & 0xFFFF) < 0xFD00)
+ return NULL;
+ }
+
+ for (kp = key; kp < key + LEN(key); kp++) {
+ if (kp->k != k)
+ continue;
+
+ if (!match(kp->mask, state))
+ continue;
+
+ if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
+ continue;
+ if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2)
+ continue;
+
+ if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
+ continue;
+
+ return kp->s;
+ }
+
+ return NULL;
+}
+
+void kpress(XEvent *ev) {
+ XKeyEvent *e = &ev->xkey;
+ KeySym ksym = NoSymbol;
+ char buf[64], *customkey;
+ int len;
+ Rune c;
+ Status status;
+ Shortcut *bp;
+
+ if (IS_SET(MODE_KBDLOCK))
+ return;
+
+ if (xw.ime.xic) {
+ len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
+ if (status == XBufferOverflow)
+ return;
+ } else {
+ len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
+ }
+ /* 1. shortcuts */
+ for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
+ if (ksym == bp->keysym && match(bp->mod, e->state)) {
+ bp->func(&(bp->arg));
+ return;
+ }
+ }
+
+ /* 2. custom keys from config.h */
+ if ((customkey = kmap(ksym, e->state))) {
+ ttywrite(customkey, strlen(customkey), 1);
+ return;
+ }
+
+ /* 3. composed string from input method */
+ if (len == 0)
+ return;
+ if (len == 1 && e->state & Mod1Mask) {
+ if (IS_SET(MODE_8BIT)) {
+ if (*buf < 0177) {
+ c = *buf | 0x80;
+ len = utf8encode(c, buf);
+ }
+ } else {
+ buf[1] = buf[0];
+ buf[0] = '\033';
+ len = 2;
+ }
+ }
+ ttywrite(buf, len, 1);
+}
+
+void cmessage(XEvent *e) {
+ /*
+ * See xembed specs
+ * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
+ */
+ if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
+ if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
+ win.mode |= MODE_FOCUSED;
+ xseturgency(0);
+ } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
+ win.mode &= ~MODE_FOCUSED;
+ }
+ } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
+ ttyhangup();
+ exit(0);
+ }
+}
+
+void resize(XEvent *e) {
+ if (e->xconfigure.width == win.w && e->xconfigure.height == win.h)
+ return;
+
+ cresize(e->xconfigure.width, e->xconfigure.height);
+}
+
+void run(void) {
+ XEvent ev;
+ int w = win.w, h = win.h;
+ fd_set rfd;
+ int xfd = XConnectionNumber(xw.dpy), ttyfd, xev, drawing;
+ struct timespec seltv, *tv, now, lastblink, trigger;
+ double timeout;
+
+ /* Waiting for window mapping */
+ do {
+ XNextEvent(xw.dpy, &ev);
+ /*
+ * This XFilterEvent call is required because of XOpenIM. It
+ * does filter out the key event and some client message for
+ * the input method too.
+ */
+ if (XFilterEvent(&ev, None))
+ continue;
+ if (ev.type == ConfigureNotify) {
+ w = ev.xconfigure.width;
+ h = ev.xconfigure.height;
+ }
+ } while (ev.type != MapNotify);
+
+ ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd);
+ cresize(w, h);
+
+ for (timeout = -1, drawing = 0, lastblink = (struct timespec){0};;) {
+ FD_ZERO(&rfd);
+ FD_SET(ttyfd, &rfd);
+ FD_SET(xfd, &rfd);
+
+ if (XPending(xw.dpy))
+ timeout = 0; /* existing events might not set xfd */
+
+ seltv.tv_sec = timeout / 1E3;
+ seltv.tv_nsec = 1E6 * (timeout - 1E3 * seltv.tv_sec);
+ tv = timeout >= 0 ? &seltv : NULL;
+
+ if (pselect(MAX(xfd, ttyfd) + 1, &rfd, NULL, NULL, tv, NULL) < 0) {
+ if (errno == EINTR)
+ continue;
+ die("select failed: %s\n", strerror(errno));
+ }
+ clock_gettime(CLOCK_MONOTONIC, &now);
+
+ if (FD_ISSET(ttyfd, &rfd))
+ ttyread();
+
+ xev = 0;
+ while (XPending(xw.dpy)) {
+ xev = 1;
+ XNextEvent(xw.dpy, &ev);
+ if (XFilterEvent(&ev, None))
+ continue;
+ if (handler[ev.type])
+ (handler[ev.type])(&ev);
+ }
+
+ /*
+ * To reduce flicker and tearing, when new content or event
+ * triggers drawing, we first wait a bit to ensure we got
+ * everything, and if nothing new arrives - we draw.
+ * We start with trying to wait minlatency ms. If more content
+ * arrives sooner, we retry with shorter and shorter periods,
+ * and eventually draw even without idle after maxlatency ms.
+ * Typically this results in low latency while interacting,
+ * maximum latency intervals during `cat huge.txt`, and perfect
+ * sync with periodic updates from animations/key-repeats/etc.
+ */
+ if (FD_ISSET(ttyfd, &rfd) || xev) {
+ if (!drawing) {
+ trigger = now;
+ if (IS_SET(MODE_BLINK)) {
+ win.mode ^= MODE_BLINK;
+ }
+ lastblink = now;
+ drawing = 1;
+ }
+ timeout = (maxlatency - TIMEDIFF(now, trigger)) / maxlatency * minlatency;
+ if (timeout > 0)
+ continue; /* we have time, try to find idle */
+ }
+
+ /* idle detected or maxlatency exhausted -> draw */
+ timeout = -1;
+ if (blinktimeout && (cursorblinks || tattrset(ATTR_BLINK))) {
+ timeout = blinktimeout - TIMEDIFF(now, lastblink);
+ if (timeout <= 0) {
+ if (-timeout > blinktimeout) /* start visible */
+ win.mode |= MODE_BLINK;
+ win.mode ^= MODE_BLINK;
+ tsetdirtattr(ATTR_BLINK);
+ lastblink = now;
+ timeout = blinktimeout;
+ }
+ }
+
+ draw();
+ XFlush(xw.dpy);
+ drawing = 0;
+ }
+}
+
+#define XRESOURCE_LOAD_META(NAME) \
+ if (!XrmGetResource(xrdb, "st." NAME, "st." NAME, &type, &ret)) \
+ XrmGetResource(xrdb, "*." NAME, "*." NAME, &type, &ret); \
+ if (ret.addr != NULL && !strncmp("String", type, 64))
+
+#define XRESOURCE_LOAD_STRING(NAME, DST) \
+ XRESOURCE_LOAD_META(NAME) \
+ DST = ret.addr;
+
+#define XRESOURCE_LOAD_CHAR(NAME, DST) \
+ XRESOURCE_LOAD_META(NAME) \
+ DST = ret.addr[0];
+
+#define XRESOURCE_LOAD_INTEGER(NAME, DST) \
+ XRESOURCE_LOAD_META(NAME) \
+ DST = strtoul(ret.addr, NULL, 10);
+
+#define XRESOURCE_LOAD_FLOAT(NAME, DST) \
+ XRESOURCE_LOAD_META(NAME) \
+ DST = strtof(ret.addr, NULL);
+
+void xrdb_load(void) {
+ /* XXX */
+ char *xrm;
+ char *type;
+ XrmDatabase xrdb;
+ XrmValue ret;
+ Display *dpy;
+
+ if (!(dpy = XOpenDisplay(NULL)))
+ die("Can't open display\n");
+
+ XrmInitialize();
+ xrm = XResourceManagerString(dpy);
+
+ if (xrm != NULL) {
+ xrdb = XrmGetStringDatabase(xrm);
+
+ /* handling colors here without macros to do via loop. */
+ int i = 0;
+ char loadValue[12] = "";
+ for (i = 0; i < 256; i++) {
+ sprintf(loadValue, "%s%d", "st.color", i);
+
+ if (!XrmGetResource(xrdb, loadValue, loadValue, &type, &ret)) {
+ sprintf(loadValue, "%s%d", "*.color", i);
+ if (!XrmGetResource(xrdb, loadValue, loadValue, &type, &ret))
+ /* reset if not found (unless in range for defaults). */
+ if (i > 15)
+ colorname[i] = NULL;
+ }
+
+ if (ret.addr != NULL && !strncmp("String", type, 64))
+ colorname[i] = ret.addr;
+ }
+
+ XRESOURCE_LOAD_STRING("foreground", colorname[defaultfg]);
+ XRESOURCE_LOAD_STRING("background", colorname[defaultbg]);
+ XRESOURCE_LOAD_STRING("cursorColor", colorname[defaultcs])
+ else {
+ // this looks confusing because we are chaining off of the if
+ // in the macro. probably we should be wrapping everything blocks
+ // so this isn't possible...
+ defaultcs = defaultfg;
+ }
+ XRESOURCE_LOAD_STRING("reverse-cursor", colorname[defaultrcs])
+ else {
+ // see above.
+ defaultrcs = defaultbg;
+ }
+
+ XRESOURCE_LOAD_STRING("font", font);
+ XRESOURCE_LOAD_STRING("termname", termname);
+
+ XRESOURCE_LOAD_INTEGER("blinktimeout", blinktimeout);
+ XRESOURCE_LOAD_INTEGER("bellvolume", bellvolume);
+ XRESOURCE_LOAD_INTEGER("borderpx", borderpx);
+ XRESOURCE_LOAD_INTEGER("cursorstyle", cursorstyle);
+
+ XRESOURCE_LOAD_FLOAT("cwscale", cwscale);
+ XRESOURCE_LOAD_FLOAT("chscale", chscale);
+ }
+ XFlush(dpy);
+}
+
+void reload(int sig) {
+ xrdb_load();
+
+ /* colors, fonts */
+ xloadcols();
+ xunloadfonts();
+ xloadfonts(font, 0);
+
+ /* pretend the window just got resized */
+ cresize(win.w, win.h);
+
+ redraw();
+
+ /* triggers re-render if we're visible. */
+ ttywrite("\033[O", 3, 1);
+
+ signal(SIGUSR1, reload);
+}
+
+void usage(void) {
+ die("usage: %s [-aiv] [-c class] [-d path] [-f font]"
+ " [-g geometry] [-n name] [-o file]\n"
+ " [-T title] [-t title] [-w windowid]"
+ " [[-e] command [args ...]]\n"
+ " %s [-aiv] [-c class] [-d path] [-f font]"
+ " [-g geometry] [-n name] [-o file]\n"
+ " [-T title] [-t title] [-w windowid] -l line"
+ " [stty_args ...]\n",
+ argv0, argv0);
+}
+
+int main(int argc, char *argv[]) {
+ xw.l = xw.t = 0;
+ xw.isfixed = False;
+ xsetcursor(cursorstyle);
+
+ ARGBEGIN {
+ case 'a':
+ allowaltscreen = 0;
+ break;
+ case 'A':
+ alpha = strtof(EARGF(usage()), NULL);
+ LIMIT(alpha, 0.0, 1.0);
+ break;
+ case 'c':
+ opt_class = EARGF(usage());
+ break;
+ case 'e':
+ if (argc > 0)
+ --argc, ++argv;
+ goto run;
+ case 'f':
+ opt_font = EARGF(usage());
+ break;
+ case 'g':
+ xw.gm = XParseGeometry(EARGF(usage()), &xw.l, &xw.t, &cols, &rows);
+ break;
+ case 'i':
+ xw.isfixed = 1;
+ break;
+ case 'o':
+ opt_io = EARGF(usage());
+ break;
+ case 'l':
+ opt_line = EARGF(usage());
+ break;
+ case 'n':
+ opt_name = EARGF(usage());
+ break;
+ case 't':
+ case 'T':
+ opt_title = EARGF(usage());
+ break;
+ case 'w':
+ opt_embed = EARGF(usage());
+ break;
+ case 'v':
+ die("%s " VERSION "\n", argv0);
+ break;
+ case 'z':
+ defaultfontsize = strtod(EARGF(usage()), NULL);
+ if (!(defaultfontsize > 0))
+ usage();
+ break;
+ case 'd':
+ opt_dir = EARGF(usage());
+ break;
+ default:
+ usage();
+ }
+ ARGEND;
run:
- if (argc > 0) /* eat all remaining arguments */
- opt_cmd = argv;
-
- if (!opt_title)
- opt_title = (opt_line || !opt_cmd) ? "st" : opt_cmd[0];
-
- if (opt_dir && chdir(opt_dir) != 0)
- die("can't change into directory %s\n", opt_dir);
-
- setlocale(LC_CTYPE, "");
- XSetLocaleModifiers("");
- xrdb_load();
- signal(SIGUSR1, reload);
- cols = MAX(cols, 1);
- rows = MAX(rows, 1);
- tnew(cols, rows);
- xinit(cols, rows);
- xsetenv();
- selinit();
- run();
-
- return 0;
+ if (argc > 0) /* eat all remaining arguments */
+ opt_cmd = argv;
+
+ if (!opt_title)
+ opt_title = (opt_line || !opt_cmd) ? "st" : opt_cmd[0];
+
+ if (opt_dir && chdir(opt_dir) != 0)
+ die("can't change into directory %s\n", opt_dir);
+
+ setlocale(LC_CTYPE, "");
+ XSetLocaleModifiers("");
+ xrdb_load();
+ signal(SIGUSR1, reload);
+ cols = MAX(cols, 1);
+ rows = MAX(rows, 1);
+ tnew(cols, rows);
+ xinit(cols, rows);
+ xsetenv();
+ selinit();
+ run();
+
+ return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-08 10:44:00 +0000