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patch: ligatures-scrollback-ringbuffer

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This commit is contained in:
Sam Hoffman
2026-01-01 13:39:47 -05:00
parent d9fa845fc4
commit ab0590b48a
14 changed files with 1223 additions and 399 deletions
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5
Makefile
View File

@@ -4,7 +4,7 @@
include config.mk
SRC = st.c x.c
SRC = st.c x.c hb.c
OBJ = $(SRC:.c=.o)
all: st
@@ -16,7 +16,8 @@ config.h:
$(CC) $(STCFLAGS) -c $<
st.o: config.h st.h win.h
x.o: arg.h config.h st.h win.h
x.o: arg.h config.h st.h win.h hb.h
hb.o: st.h
$(OBJ): config.h config.mk

529
config.h
View File

@@ -5,7 +5,8 @@
*
* font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
*/
static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
static char *font =
"JetBrainsMono Nerd Font:pixelsize=18:antialias=true:autohint=true";
static int borderpx = 2;
/*
@@ -95,36 +96,35 @@ unsigned int tabspaces = 8;
/* Terminal colors (16 first used in escape sequence) */
static const char *colorname[] = {
/* 8 normal colors */
"black",
"red3",
"green3",
"yellow3",
"blue2",
"magenta3",
"cyan3",
"gray90",
/* 8 normal colors */
"black",
"red3",
"green3",
"yellow3",
"blue2",
"magenta3",
"cyan3",
"gray90",
/* 8 bright colors */
"gray50",
"red",
"green",
"yellow",
"#5c5cff",
"magenta",
"cyan",
"white",
/* 8 bright colors */
"gray50",
"red",
"green",
"yellow",
"#5c5cff",
"magenta",
"cyan",
"white",
[255] = 0,
[255] = 0,
/* more colors can be added after 255 to use with DefaultXX */
"#cccccc",
"#555555",
"gray90", /* default foreground colour */
"black", /* default background colour */
/* more colors can be added after 255 to use with DefaultXX */
"#cccccc",
"#555555",
"gray90", /* default foreground colour */
"black", /* default background colour */
};
/*
* Default colors (colorname index)
* foreground, background, cursor, reverse cursor
@@ -175,34 +175,34 @@ 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 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} },
{ TERMMOD, XK_Next, zoom, {.f = -1} },
{ TERMMOD, XK_Home, zoomreset, {.f = 0} },
{ TERMMOD, XK_C, clipcopy, {.i = 0} },
{ TERMMOD, XK_V, clippaste, {.i = 0} },
{ TERMMOD, XK_Y, selpaste, {.i = 0} },
{ ShiftMask, XK_Insert, selpaste, {.i = 0} },
{ TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
{ ShiftMask, XK_Page_Up, kscrollup, {.i = -1} },
{ ShiftMask, XK_Page_Down, kscrolldown, {.i = -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}},
{TERMMOD, XK_Next, zoom, {.f = -1}},
{TERMMOD, XK_Home, zoomreset, {.f = 0}},
{TERMMOD, XK_C, clipcopy, {.i = 0}},
{TERMMOD, XK_V, clippaste, {.i = 0}},
{TERMMOD, XK_Y, selpaste, {.i = 0}},
{ShiftMask, XK_Insert, selpaste, {.i = 0}},
{TERMMOD, XK_Num_Lock, numlock, {.i = 0}},
{ShiftMask, XK_Page_Up, kscrollup, {.i = -1}},
{ShiftMask, XK_Page_Down, kscrolldown, {.i = -1}},
};
/*
@@ -230,229 +230,229 @@ 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},
};
/*
@@ -463,14 +463,13 @@ 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{|}~";

11
config.mk
View File

@@ -15,10 +15,12 @@ PKG_CONFIG = pkg-config
# includes and libs
INCS = -I$(X11INC) \
`$(PKG_CONFIG) --cflags fontconfig` \
`$(PKG_CONFIG) --cflags freetype2`
`$(PKG_CONFIG) --cflags freetype2` \
`$(PKG_CONFIG) --cflags harfbuzz`
LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \
`$(PKG_CONFIG) --libs fontconfig` \
`$(PKG_CONFIG) --libs freetype2`
`$(PKG_CONFIG) --libs freetype2` \
`$(PKG_CONFIG) --libs harfbuzz`
# flags
STCPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600
@@ -29,8 +31,9 @@ STLDFLAGS = $(LIBS) $(LDFLAGS)
#CPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
#LIBS = -L$(X11LIB) -lm -lX11 -lutil -lXft \
# `$(PKG_CONFIG) --libs fontconfig` \
# `$(PKG_CONFIG) --libs freetype2`
# `$(PKG_CONFIG) --libs freetype2` \
# `$(PKG_CONFIG) --libs harfbuzz`
#MANPREFIX = ${PREFIX}/man
# compiler and linker
# CC = c99
CC = tcc

136
hb.c Normal file
View File

@@ -0,0 +1,136 @@
// clang-format off
#include <X11/Xft/Xft.h>
#include <X11/cursorfont.h>
#include <hb-ft.h>
#include <hb.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include "st.h"
#include "hb.h"
// clang-format on
#define FEATURE(c1, c2, c3, c4) \
{.tag = HB_TAG(c1, c2, c3, c4), \
.value = 1, \
.start = HB_FEATURE_GLOBAL_START, \
.end = HB_FEATURE_GLOBAL_END}
#define BUFFER_STEP 256
hb_font_t *hbfindfont(XftFont *match);
typedef struct {
XftFont *match;
hb_font_t *font;
} HbFontMatch;
typedef struct {
size_t capacity;
HbFontMatch *fonts;
} HbFontCache;
static HbFontCache hbfontcache = {0, NULL};
typedef struct {
size_t capacity;
Rune *runes;
} RuneBuffer;
static RuneBuffer hbrunebuffer = {0, NULL};
/*
* Poplulate the array with a list of font features, wrapped in FEATURE macro,
* e. g.
* FEATURE('c', 'a', 'l', 't'), FEATURE('d', 'l', 'i', 'g')
*/
hb_feature_t features[] = {FEATURE('c', 'a', 'l', 't'),
FEATURE('d', 'l', 'i', 'g')
};
void hbunloadfonts() {
for (int i = 0; i < hbfontcache.capacity; i++) {
hb_font_destroy(hbfontcache.fonts[i].font);
XftUnlockFace(hbfontcache.fonts[i].match);
}
if (hbfontcache.fonts != NULL) {
free(hbfontcache.fonts);
hbfontcache.fonts = NULL;
}
hbfontcache.capacity = 0;
}
hb_font_t *hbfindfont(XftFont *match) {
for (int i = 0; i < hbfontcache.capacity; i++) {
if (hbfontcache.fonts[i].match == match)
return hbfontcache.fonts[i].font;
}
/* Font not found in cache, caching it now. */
hbfontcache.fonts = realloc(hbfontcache.fonts,
sizeof(HbFontMatch) * (hbfontcache.capacity + 1));
FT_Face face = XftLockFace(match);
hb_font_t *font = hb_ft_font_create(face, NULL);
if (font == NULL)
die("Failed to load Harfbuzz font.");
hbfontcache.fonts[hbfontcache.capacity].match = match;
hbfontcache.fonts[hbfontcache.capacity].font = font;
hbfontcache.capacity += 1;
return font;
}
void hbtransform(HbTransformData *data, XftFont *xfont, const Glyph *glyphs,
int start, int length) {
ushort mode = USHRT_MAX;
unsigned int glyph_count;
int rune_idx, glyph_idx, end = start + length;
hb_font_t *font = hbfindfont(xfont);
if (font == NULL)
return;
hb_buffer_t *buffer = hb_buffer_create();
hb_buffer_set_direction(buffer, HB_DIRECTION_LTR);
hb_buffer_set_cluster_level(buffer,
HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS);
/* Resize the buffer if required length is larger. */
if (hbrunebuffer.capacity < length) {
hbrunebuffer.capacity = (length / BUFFER_STEP + 1) * BUFFER_STEP;
hbrunebuffer.runes =
realloc(hbrunebuffer.runes, hbrunebuffer.capacity * sizeof(Rune));
}
/* Fill buffer with codepoints. */
for (rune_idx = 0, glyph_idx = start; glyph_idx < end;
glyph_idx++, rune_idx++) {
hbrunebuffer.runes[rune_idx] = glyphs[glyph_idx].u;
mode = glyphs[glyph_idx].mode;
if (mode & ATTR_WDUMMY)
hbrunebuffer.runes[rune_idx] = 0x0020;
}
hb_buffer_add_codepoints(buffer, hbrunebuffer.runes, length, 0, length);
/* Shape the segment. */
hb_shape(font, buffer, features, sizeof(features) / sizeof(hb_feature_t));
/* Get new glyph info. */
hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, &glyph_count);
hb_glyph_position_t *pos =
hb_buffer_get_glyph_positions(buffer, &glyph_count);
/* Fill the output. */
data->buffer = buffer;
data->glyphs = info;
data->positions = pos;
data->count = glyph_count;
}
void hbcleanup(HbTransformData *data) {
hb_buffer_destroy(data->buffer);
memset(data, 0, sizeof(HbTransformData));
}

15
hb.h Normal file
View File

@@ -0,0 +1,15 @@
#include <X11/Xft/Xft.h>
#include <hb.h>
#include <hb-ft.h>
typedef struct {
hb_buffer_t *buffer;
hb_glyph_info_t *glyphs;
hb_glyph_position_t *positions;
unsigned int count;
} HbTransformData;
void hbunloadfonts();
void hbtransform(HbTransformData *, XftFont *, const Glyph *, int, int);
void hbcleanup(HbTransformData *);

BIN
st
View File

Binary file not shown.

651
st-ligatures-scrollback-ringbuffer-20251007-0.9.3.diff Normal file
View File

@@ -0,0 +1,651 @@
diff --git a/Makefile b/Makefile
index 15db421..dfcea0f 100644
--- a/Makefile
+++ b/Makefile
@@ -3,9 +3,9 @@
.POSIX:
include config.mk
-SRC = st.c x.c
+SRC = st.c x.c hb.c
OBJ = $(SRC:.c=.o)
all: st
@@ -15,9 +15,10 @@ config.h:
.c.o:
$(CC) $(STCFLAGS) -c $<
st.o: config.h st.h win.h
-x.o: arg.h config.h st.h win.h
+x.o: arg.h config.h st.h win.h hb.h
+hb.o: st.h
$(OBJ): config.h config.mk
st: $(OBJ)
diff --git a/config.mk b/config.mk
index 2fc854e..ec69d1a 100644
--- a/config.mk
+++ b/config.mk
@@ -14,12 +14,14 @@ PKG_CONFIG = pkg-config
# includes and libs
INCS = -I$(X11INC) \
`$(PKG_CONFIG) --cflags fontconfig` \
- `$(PKG_CONFIG) --cflags freetype2`
+ `$(PKG_CONFIG) --cflags freetype2` \
+ `$(PKG_CONFIG) --cflags harfbuzz`
LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \
`$(PKG_CONFIG) --libs fontconfig` \
- `$(PKG_CONFIG) --libs freetype2`
+ `$(PKG_CONFIG) --libs freetype2` \
+ `$(PKG_CONFIG) --libs harfbuzz`
# flags
STCPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600
STCFLAGS = $(INCS) $(STCPPFLAGS) $(CPPFLAGS) $(CFLAGS)
@@ -28,9 +30,10 @@ STLDFLAGS = $(LIBS) $(LDFLAGS)
# OpenBSD:
#CPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
#LIBS = -L$(X11LIB) -lm -lX11 -lutil -lXft \
# `$(PKG_CONFIG) --libs fontconfig` \
-# `$(PKG_CONFIG) --libs freetype2`
+# `$(PKG_CONFIG) --libs freetype2` \
+# `$(PKG_CONFIG) --libs harfbuzz`
#MANPREFIX = ${PREFIX}/man
# compiler and linker
# CC = c99
diff --git a/hb.c b/hb.c
new file mode 100644
index 0000000..99412c8
--- /dev/null
+++ b/hb.c
@@ -0,0 +1,125 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <X11/Xft/Xft.h>
+#include <X11/cursorfont.h>
+#include <hb.h>
+#include <hb-ft.h>
+
+#include "st.h"
+#include "hb.h"
+
+#define FEATURE(c1,c2,c3,c4) { .tag = HB_TAG(c1,c2,c3,c4), .value = 1, .start = HB_FEATURE_GLOBAL_START, .end = HB_FEATURE_GLOBAL_END }
+#define BUFFER_STEP 256
+
+hb_font_t *hbfindfont(XftFont *match);
+
+typedef struct {
+ XftFont *match;
+ hb_font_t *font;
+} HbFontMatch;
+
+typedef struct {
+ size_t capacity;
+ HbFontMatch *fonts;
+} HbFontCache;
+
+static HbFontCache hbfontcache = { 0, NULL };
+
+typedef struct {
+ size_t capacity;
+ Rune *runes;
+} RuneBuffer;
+
+static RuneBuffer hbrunebuffer = { 0, NULL };
+
+/*
+ * Poplulate the array with a list of font features, wrapped in FEATURE macro,
+ * e. g.
+ * FEATURE('c', 'a', 'l', 't'), FEATURE('d', 'l', 'i', 'g')
+ */
+hb_feature_t features[] = { };
+
+void
+hbunloadfonts()
+{
+ for (int i = 0; i < hbfontcache.capacity; i++) {
+ hb_font_destroy(hbfontcache.fonts[i].font);
+ XftUnlockFace(hbfontcache.fonts[i].match);
+ }
+
+ if (hbfontcache.fonts != NULL) {
+ free(hbfontcache.fonts);
+ hbfontcache.fonts = NULL;
+ }
+ hbfontcache.capacity = 0;
+}
+
+hb_font_t *
+hbfindfont(XftFont *match)
+{
+ for (int i = 0; i < hbfontcache.capacity; i++) {
+ if (hbfontcache.fonts[i].match == match)
+ return hbfontcache.fonts[i].font;
+ }
+
+ /* Font not found in cache, caching it now. */
+ hbfontcache.fonts = realloc(hbfontcache.fonts, sizeof(HbFontMatch) * (hbfontcache.capacity + 1));
+ FT_Face face = XftLockFace(match);
+ hb_font_t *font = hb_ft_font_create(face, NULL);
+ if (font == NULL)
+ die("Failed to load Harfbuzz font.");
+
+ hbfontcache.fonts[hbfontcache.capacity].match = match;
+ hbfontcache.fonts[hbfontcache.capacity].font = font;
+ hbfontcache.capacity += 1;
+
+ return font;
+}
+
+void hbtransform(HbTransformData *data, XftFont *xfont, const Glyph *glyphs, int start, int length) {
+ ushort mode = USHRT_MAX;
+ unsigned int glyph_count;
+ int rune_idx, glyph_idx, end = start + length;
+
+ hb_font_t *font = hbfindfont(xfont);
+ if (font == NULL)
+ return;
+
+ hb_buffer_t *buffer = hb_buffer_create();
+ hb_buffer_set_direction(buffer, HB_DIRECTION_LTR);
+ hb_buffer_set_cluster_level(buffer, HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS);
+
+ /* Resize the buffer if required length is larger. */
+ if (hbrunebuffer.capacity < length) {
+ hbrunebuffer.capacity = (length / BUFFER_STEP + 1) * BUFFER_STEP;
+ hbrunebuffer.runes = realloc(hbrunebuffer.runes, hbrunebuffer.capacity * sizeof(Rune));
+ }
+
+ /* Fill buffer with codepoints. */
+ for (rune_idx = 0, glyph_idx = start; glyph_idx < end; glyph_idx++, rune_idx++) {
+ hbrunebuffer.runes[rune_idx] = glyphs[glyph_idx].u;
+ mode = glyphs[glyph_idx].mode;
+ if (mode & ATTR_WDUMMY)
+ hbrunebuffer.runes[rune_idx] = 0x0020;
+ }
+ hb_buffer_add_codepoints(buffer, hbrunebuffer.runes, length, 0, length);
+
+ /* Shape the segment. */
+ hb_shape(font, buffer, features, sizeof(features)/sizeof(hb_feature_t));
+
+ /* Get new glyph info. */
+ hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, &glyph_count);
+ hb_glyph_position_t *pos = hb_buffer_get_glyph_positions(buffer, &glyph_count);
+
+ /* Fill the output. */
+ data->buffer = buffer;
+ data->glyphs = info;
+ data->positions = pos;
+ data->count = glyph_count;
+}
+
+void hbcleanup(HbTransformData *data) {
+ hb_buffer_destroy(data->buffer);
+ memset(data, 0, sizeof(HbTransformData));
+}
diff --git a/hb.h b/hb.h
new file mode 100644
index 0000000..96e808b
--- /dev/null
+++ b/hb.h
@@ -0,0 +1,15 @@
+#include <X11/Xft/Xft.h>
+#include <hb.h>
+#include <hb-ft.h>
+
+typedef struct {
+ hb_buffer_t *buffer;
+ hb_glyph_info_t *glyphs;
+ hb_glyph_position_t *positions;
+ unsigned int count;
+} HbTransformData;
+
+void hbunloadfonts();
+void hbtransform(HbTransformData *, XftFont *, const Glyph *, int, int);
+void hbcleanup(HbTransformData *);
+
diff --git a/st.c b/st.c
index 0074ec7..fc916e9 100644
--- a/st.c
+++ b/st.c
@@ -2803,9 +2803,10 @@ draw(void)
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]);
+ 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)
diff --git a/st.h b/st.h
index 3cea73b..709a369 100644
--- a/st.h
+++ b/st.h
@@ -10,9 +10,10 @@
#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 || \
+#define ATTRCMP(a, b) (((a).mode & (~ATTR_WRAP)) != ((b).mode & (~ATTR_WRAP)) || \
+ (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)))
diff --git a/win.h b/win.h
index 6de960d..94679e4 100644
--- a/win.h
+++ b/win.h
@@ -24,9 +24,9 @@ enum win_mode {
};
void xbell(void);
void xclipcopy(void);
-void xdrawcursor(int, int, Glyph, int, int, Glyph);
+void xdrawcursor(int, int, Glyph, int, int, Glyph, Line, int);
void xdrawline(Line, int, int, int);
void xfinishdraw(void);
void xloadcols(void);
int xsetcolorname(int, const char *);
diff --git a/x.c b/x.c
index 1e4bdf5..f8372ba 100644
--- a/x.c
+++ b/x.c
@@ -18,8 +18,9 @@
char *argv0;
#include "arg.h"
#include "st.h"
#include "win.h"
+#include "hb.h"
/* types used in config.h */
typedef struct {
uint mod;
@@ -142,10 +143,11 @@ typedef struct {
GC gc;
} DC;
static inline ushort sixd_to_16bit(int);
+static void xresetfontsettings(ushort mode, Font **font, int *frcflags);
static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
-static void xdrawglyphfontspecs(const XftGlyphFontSpec *, 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);
static int ximopen(Display *);
@@ -758,9 +760,9 @@ xresize(int col, int row)
XftDrawChange(xw.draw, xw.buf);
xclear(0, 0, win.w, win.h);
/* resize to new width */
- xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec));
+ xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec) * 4);
}
ushort
sixd_to_16bit(int x)
@@ -1063,8 +1065,11 @@ xunloadfont(Font *f)
void
xunloadfonts(void)
{
+ /* Clear Harfbuzz font cache. */
+ hbunloadfonts();
+
/* Free the loaded fonts in the font cache. */
while (frclen > 0)
XftFontClose(xw.dpy, frc[--frclen].font);
@@ -1189,9 +1194,9 @@ xinit(int cols, int rows)
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));
+ xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec) * 4);
/* Xft rendering context */
xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
@@ -1243,144 +1248,155 @@ xinit(int cols, int rows)
if (xsel.xtarget == None)
xsel.xtarget = XA_STRING;
}
+void
+xresetfontsettings(ushort mode, Font **font, int *frcflags)
+{
+ *font = &dc.font;
+ 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;
+ }
+}
+
int
xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
{
float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
- ushort mode, prevmode = USHRT_MAX;
+ ushort mode = glyphs[0].mode & ~ATTR_WRAP;
Font *font = &dc.font;
int frcflags = FRC_NORMAL;
- float runewidth = win.cw;
+ float runewidth = win.cw * ((glyphs[0].mode & ATTR_WIDE) ? 2.0f : 1.0f);
Rune rune;
FT_UInt glyphidx;
FcResult fcres;
FcPattern *fcpattern, *fontpattern;
FcFontSet *fcsets[] = { NULL };
FcCharSet *fccharset;
- int i, f, numspecs = 0;
+ int f, code_idx, numspecs = 0;
+ float cluster_xp = xp, cluster_yp = yp;
+ HbTransformData shaped = { 0 };
- for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
- /* Fetch rune and mode for current glyph. */
- rune = glyphs[i].u;
- mode = glyphs[i].mode;
+ /* Initial values. */
+ xresetfontsettings(mode, &font, &frcflags);
- /* Skip dummy wide-character spacing. */
- if (mode == ATTR_WDUMMY)
+ /* Shape the segment. */
+ hbtransform(&shaped, font->match, glyphs, 0, len);
+ xp = winx; yp = winy + font->ascent;
+ cluster_xp = xp; cluster_yp = yp;
+
+ for (code_idx = 0; code_idx < shaped.count; code_idx++) {
+ int idx = shaped.glyphs[code_idx].cluster;
+
+ if (glyphs[idx].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;
+ /* Advance the drawing cursor if we've moved to a new cluster */
+ if (code_idx > 0 && (idx != shaped.glyphs[code_idx - 1].cluster)) {
+ xp += runewidth * (idx - shaped.glyphs[code_idx - 1].cluster);
+ cluster_xp = xp;
+ cluster_yp = yp;
}
- /* Lookup character index with default font. */
- glyphidx = XftCharIndex(xw.dpy, font->match, rune);
- if (glyphidx) {
+ if (shaped.glyphs[code_idx].codepoint != 0) {
+ /* If symbol is found, put it into the specs. */
specs[numspecs].font = font->match;
- specs[numspecs].glyph = glyphidx;
- specs[numspecs].x = (short)xp;
- specs[numspecs].y = (short)yp;
- xp += runewidth;
+ specs[numspecs].glyph = shaped.glyphs[code_idx].codepoint;
+ specs[numspecs].x = cluster_xp + (short)(shaped.positions[code_idx].x_offset / 64.);
+ specs[numspecs].y = cluster_yp - (short)(shaped.positions[code_idx].y_offset / 64.);
+ cluster_xp += shaped.positions[code_idx].x_advance / 64.;
+ cluster_yp += shaped.positions[code_idx].y_advance / 64.;
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;
+ } else {
+ /* If it's not found, try to fetch it through the font cache. */
+ rune = glyphs[idx].u;
+ 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));
+ /* 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);
}
- 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;
+ numspecs++;
}
-
- specs[numspecs].font = frc[f].font;
- specs[numspecs].glyph = glyphidx;
- specs[numspecs].x = (short)xp;
- specs[numspecs].y = (short)yp;
- xp += runewidth;
- numspecs++;
}
+ /* Cleanup and get ready for next segment. */
+ hbcleanup(&shaped);
return numspecs;
}
void
-xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
+xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y, int charlen)
{
- int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
width = charlen * win.cw;
Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
XRenderColor colfg, colbg;
@@ -1514,23 +1530,26 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
void
xdrawglyph(Glyph g, int x, int y)
{
int numspecs;
- XftGlyphFontSpec spec;
+ XftGlyphFontSpec *specs = xw.specbuf;
- numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
- xdrawglyphfontspecs(&spec, g, numspecs, x, y);
+ numspecs = xmakeglyphfontspecs(specs, &g, 1, x, y);
+ xdrawglyphfontspecs(specs, g, numspecs, x, y, (g.mode & ATTR_WIDE) ? 2 : 1);
}
void
-xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
+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;
- xdrawglyph(og, ox, oy);
+
+ /* Redraw the line where cursor was previously.
+ * It will restore the ligatures broken by the cursor. */
+ xdrawline(line, 0, oy, len);
if (IS_SET(MODE_HIDE))
return;
@@ -1662,30 +1681,30 @@ xdrawline(Line line, int x1, int y1, int x2)
int i, x, ox, numspecs;
Glyph base, new;
XftGlyphFontSpec *specs = xw.specbuf;
- numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1);
i = ox = 0;
- for (x = x1; x < x2 && i < numspecs; x++) {
+ for (x = x1; x < x2; 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);
- specs += i;
- numspecs -= i;
+ if ((i > 0) && ATTRCMP(base, new)) {
+ numspecs = xmakeglyphfontspecs(specs, &line[ox], x - ox, ox, y1);
+ xdrawglyphfontspecs(specs, base, numspecs, ox, y1, x - ox);
i = 0;
}
if (i == 0) {
ox = x;
base = new;
}
i++;
}
- if (i > 0)
- xdrawglyphfontspecs(specs, base, i, ox, y1);
+ if (i > 0) {
+ numspecs = xmakeglyphfontspecs(specs, &line[ox], x2 - ox, ox, y1);
+ xdrawglyphfontspecs(specs, base, numspecs, ox, y1, x2 - ox);
+ }
}
void
xfinishdraw(void)

3
st.c
View File

@@ -2805,7 +2805,8 @@ draw(void)
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]);
term.ocx, term.ocy, TLINE(term.ocy)[term.ocx],
TLINE(term.ocy), term.col);
term.ocx = cx;
term.ocy = term.c.y;
xfinishdraw();

3
st.h
View File

@@ -11,7 +11,8 @@
#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 || \
#define ATTRCMP(a, b) (((a).mode & (~ATTR_WRAP)) != ((b).mode & (~ATTR_WRAP)) || \
(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)

BIN
st.o
View File

Binary file not shown.

2
win.h
View File

@@ -25,7 +25,7 @@ enum win_mode {
void xbell(void);
void xclipcopy(void);
void xdrawcursor(int, int, Glyph, int, int, Glyph);
void xdrawcursor(int, int, Glyph, int, int, Glyph, Line, int);
void xdrawline(Line, int, int, int);
void xfinishdraw(void);
void xloadcols(void);

261
x.c
View File

@@ -19,6 +19,7 @@ char *argv0;
#include "arg.h"
#include "st.h"
#include "win.h"
#include "hb.h"
/* types used in config.h */
typedef struct {
@@ -143,8 +144,9 @@ typedef struct {
} DC;
static inline ushort sixd_to_16bit(int);
static void xresetfontsettings(ushort mode, Font **font, int *frcflags);
static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
static void xdrawglyphfontspecs(const XftGlyphFontSpec *, 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);
@@ -759,7 +761,7 @@ xresize(int col, int row)
xclear(0, 0, win.w, win.h);
/* resize to new width */
xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec));
xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec) * 4);
}
ushort
@@ -1064,6 +1066,9 @@ xunloadfont(Font *f)
void
xunloadfonts(void)
{
/* Clear Harfbuzz font cache. */
hbunloadfonts();
/* Free the loaded fonts in the font cache. */
while (frclen > 0)
XftFontClose(xw.dpy, frc[--frclen].font);
@@ -1190,7 +1195,7 @@ xinit(int cols, int rows)
XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
/* font spec buffer */
xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec));
xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec) * 4);
/* Xft rendering context */
xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
@@ -1244,142 +1249,153 @@ xinit(int cols, int rows)
xsel.xtarget = XA_STRING;
}
void
xresetfontsettings(ushort mode, Font **font, int *frcflags)
{
*font = &dc.font;
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;
}
}
int
xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
{
float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
ushort mode, prevmode = USHRT_MAX;
ushort mode = glyphs[0].mode & ~ATTR_WRAP;
Font *font = &dc.font;
int frcflags = FRC_NORMAL;
float runewidth = win.cw;
float runewidth = win.cw * ((glyphs[0].mode & ATTR_WIDE) ? 2.0f : 1.0f);
Rune rune;
FT_UInt glyphidx;
FcResult fcres;
FcPattern *fcpattern, *fontpattern;
FcFontSet *fcsets[] = { NULL };
FcCharSet *fccharset;
int i, f, numspecs = 0;
int f, code_idx, numspecs = 0;
float cluster_xp = xp, cluster_yp = yp;
HbTransformData shaped = { 0 };
for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
/* Fetch rune and mode for current glyph. */
rune = glyphs[i].u;
mode = glyphs[i].mode;
/* Initial values. */
xresetfontsettings(mode, &font, &frcflags);
/* Skip dummy wide-character spacing. */
if (mode == ATTR_WDUMMY)
/* Shape the segment. */
hbtransform(&shaped, font->match, glyphs, 0, len);
xp = winx; yp = winy + font->ascent;
cluster_xp = xp; cluster_yp = yp;
for (code_idx = 0; code_idx < shaped.count; code_idx++) {
int idx = shaped.glyphs[code_idx].cluster;
if (glyphs[idx].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;
/* Advance the drawing cursor if we've moved to a new cluster */
if (code_idx > 0 && (idx != shaped.glyphs[code_idx - 1].cluster)) {
xp += runewidth * (idx - shaped.glyphs[code_idx - 1].cluster);
cluster_xp = xp;
cluster_yp = yp;
}
/* Lookup character index with default font. */
glyphidx = XftCharIndex(xw.dpy, font->match, rune);
if (glyphidx) {
if (shaped.glyphs[code_idx].codepoint != 0) {
/* If symbol is found, put it into the specs. */
specs[numspecs].font = font->match;
specs[numspecs].glyph = shaped.glyphs[code_idx].codepoint;
specs[numspecs].x = cluster_xp + (short)(shaped.positions[code_idx].x_offset / 64.);
specs[numspecs].y = cluster_yp - (short)(shaped.positions[code_idx].y_offset / 64.);
cluster_xp += shaped.positions[code_idx].x_advance / 64.;
cluster_yp += shaped.positions[code_idx].y_advance / 64.;
numspecs++;
} else {
/* If it's not found, try to fetch it through the font cache. */
rune = glyphs[idx].u;
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++;
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++;
}
/* Cleanup and get ready for next segment. */
hbcleanup(&shaped);
return numspecs;
}
void
xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y, int charlen)
{
int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
width = charlen * win.cw;
Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
@@ -1511,21 +1527,24 @@ void
xdrawglyph(Glyph g, int x, int y)
{
int numspecs;
XftGlyphFontSpec spec;
XftGlyphFontSpec *specs = xw.specbuf;
numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
xdrawglyphfontspecs(&spec, g, numspecs, x, y);
numspecs = xmakeglyphfontspecs(specs, &g, 1, x, y);
xdrawglyphfontspecs(specs, g, numspecs, x, y, (g.mode & ATTR_WIDE) ? 2 : 1);
}
void
xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
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;
xdrawglyph(og, ox, oy);
/* Redraw the line where cursor was previously.
* It will restore the ligatures broken by the cursor. */
xdrawline(line, 0, oy, len);
if (IS_SET(MODE_HIDE))
return;
@@ -1659,18 +1678,16 @@ xdrawline(Line line, int x1, int y1, int x2)
Glyph base, new;
XftGlyphFontSpec *specs = xw.specbuf;
numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1);
i = ox = 0;
for (x = x1; x < x2 && i < numspecs; x++) {
for (x = x1; x < x2; 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);
specs += i;
numspecs -= i;
if ((i > 0) && ATTRCMP(base, new)) {
numspecs = xmakeglyphfontspecs(specs, &line[ox], x - ox, ox, y1);
xdrawglyphfontspecs(specs, base, numspecs, ox, y1, x - ox);
i = 0;
}
if (i == 0) {
@@ -1679,8 +1696,10 @@ xdrawline(Line line, int x1, int y1, int x2)
}
i++;
}
if (i > 0)
xdrawglyphfontspecs(specs, base, i, ox, y1);
if (i > 0) {
numspecs = xmakeglyphfontspecs(specs, &line[ox], x2 - ox, ox, y1);
xdrawglyphfontspecs(specs, base, numspecs, ox, y1, x2 - ox);
}
}
void

6
x.c.orig
View File

@@ -59,6 +59,8 @@ static void zoom(const Arg *);
static void zoomabs(const Arg *);
static void zoomreset(const Arg *);
static void ttysend(const Arg *);
void kscrollup(const Arg *);
void kscrolldown(const Arg *);
/* config.h for applying patches and the configuration. */
#include "config.h"
@@ -1415,10 +1417,6 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
bg = &dc.col[base.bg];
}
/* Change basic system colors [0-7] to bright system colors [8-15] */
if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
fg = &dc.col[base.fg + 8];
if (IS_SET(MODE_REVERSE)) {
if (fg == &dc.col[defaultfg]) {
fg = &dc.col[defaultbg];

BIN
x.o
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