fix(resize): patch to prevent truncate terminal content after resize term window

.gitignore

@@ -0,0 +1,3 @@
+*.o
+
+*.diff

Makefile

@@ -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
 

config.def.h

@@ -5,7 +5,11 @@
  *
  * 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 NFP:pixelsize=15:antialias=true:autohint=true";
+static char *font2[] = {
+    "Noto Color Emoji:pixelsize=15:antialias=true:autohint=true",
+};
 static int borderpx = 2;
 
 /*
@@ -16,7 +20,7 @@ static int borderpx = 2;
  * 4: value of shell in /etc/passwd
  * 5: value of shell in config.h
  */
-static char *shell = "/bin/sh";
+static char *shell = "/bin/bash";
 char *utmp = NULL;
 /* scroll program: to enable use a string like "scroll" */
 char *scroll = NULL;
@@ -95,53 +99,47 @@ unsigned int tabspaces = 8;
 
 /* Terminal colors (16 first used in escape sequence) */
 static const char *colorname[] = {
-	/* 8 normal colors */
+    /* 8 normal colors */
-	"black",
+    [0] = "#282828",  /* hard contrast: #1d2021 / soft contrast: #32302f */
-	"red3",
+    [1] = "#cc241d",  /* red     */
-	"green3",
+    [2] = "#98971a",  /* green   */
-	"yellow3",
+    [3] = "#d79921",  /* yellow  */
-	"blue2",
+    [4] = "#458588",  /* blue    */
-	"magenta3",
+    [5] = "#b16286",  /* magenta */
-	"cyan3",
+    [6] = "#689d6a",  /* cyan    */
-	"gray90",
+    [7] = "#a89984",  /* white   */
-
+    [8] = "#928374",  /* black   */
-	/* 8 bright colors */
+    [9] = "#fb4934",  /* red     */
-	"gray50",
+    [10] = "#b8bb26", /* green   */
-	"red",
+    [11] = "#fabd2f", /* yellow  */
-	"green",
+    [12] = "#83a598", /* blue    */
-	"yellow",
+    [13] = "#d3869b", /* magenta */
-	"#5c5cff",
+    [14] = "#8ec07c", /* cyan    */
-	"magenta",
+    [15] = "#ebdbb2", /* white   */
-	"cyan",
+    [255] = 0,
-	"white",
-
-	[255] = 0,
-
-	/* 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
  */
-unsigned int defaultfg = 258;
+unsigned int defaultfg = 15;
-unsigned int defaultbg = 259;
+unsigned int defaultbg = 0;
-unsigned int defaultcs = 256;
+unsigned int defaultcs = 15;
 static unsigned int defaultrcs = 257;
 
-/*
+/* https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h4-Functions-using-CSI-_-ordered-by-the-final-character-lparen-s-rparen:CSI-Ps-SP-q.1D81
- * Default shape of cursor
+ * Default style of cursor
- * 2: Block ("█")
+ * 0: blinking block
- * 4: Underline ("_")
+ * 1: blinking block (default)
- * 6: Bar ("|")
+ * 2: steady block ("█")
- * 7: Snowman ("☃")
+ * 3: blinking underline
+ * 4: steady underline ("_")
+ * 5: blinking bar
+ * 6: steady bar ("|")
+ * 7: blinking st cursor
+ * 8: steady st cursor
  */
-static unsigned int cursorshape = 2;
+static unsigned int cursorshape = 0;
 
 /*
  * Default columns and rows numbers
@@ -175,32 +173,30 @@ static uint forcemousemod = ShiftMask;
  * Beware that overloading Button1 will disable the selection.
  */
 static MouseShortcut mshortcuts[] = {
-	/* mask                 button   function        argument       release */
+    /* mask                 button   function        argument       release */
-	{ XK_ANY_MOD,           Button2, selpaste,       {.i = 0},      1 },
+    {XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1},
-	{ ShiftMask,            Button4, ttysend,        {.s = "\033[5;2~"} },
+    {ShiftMask, Button4, kscrollup, {.i = 1}},
-	{ XK_ANY_MOD,           Button4, ttysend,        {.s = "\031"} },
+    {ShiftMask, Button5, kscrolldown, {.i = 1}},
-	{ 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 */
+    /* mask                 keysym          function        argument */
-	{ XK_ANY_MOD,           XK_Break,       sendbreak,      {.i =  0} },
+    {XK_ANY_MOD, XK_Break, sendbreak, {.i = 0}},
-	{ ControlMask,          XK_Print,       toggleprinter,  {.i =  0} },
+    {ControlMask, XK_Print, toggleprinter, {.i = 0}},
-	{ ShiftMask,            XK_Print,       printscreen,    {.i =  0} },
+    {ShiftMask, XK_Print, printscreen, {.i = 0}},
-	{ XK_ANY_MOD,           XK_Print,       printsel,       {.i =  0} },
+    {XK_ANY_MOD, XK_Print, printsel, {.i = 0}},
-	{ TERMMOD,              XK_Prior,       zoom,           {.f = +1} },
+    {ControlMask, XK_KP_Add, zoom, {.f = +1}},
-	{ TERMMOD,              XK_Next,        zoom,           {.f = -1} },
+    {ControlMask, XK_minus, zoom, {.f = -1}},
-	{ TERMMOD,              XK_Home,        zoomreset,      {.f =  0} },
+    {TERMMOD, XK_Home, zoomreset, {.f = 0}},
-	{ TERMMOD,              XK_C,           clipcopy,       {.i =  0} },
+    {TERMMOD, XK_C, clipcopy, {.i = 0}},
-	{ TERMMOD,              XK_V,           clippaste,      {.i =  0} },
+    {TERMMOD, XK_V, clippaste, {.i = 0}},
-	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
+    {TERMMOD, XK_Y, selpaste, {.i = 0}},
-	{ ShiftMask,            XK_Insert,      selpaste,       {.i =  0} },
+    {ShiftMask, XK_Insert, selpaste, {.i = 0}},
-	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
+    {TERMMOD, XK_Num_Lock, numlock, {.i = 0}},
 };
 
 /*
@@ -228,229 +224,229 @@ 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 */
+    /* keysym           mask            string      appkey appcursor */
-	{ XK_KP_Home,       ShiftMask,      "\033[2J",       0,   -1},
+    {XK_KP_Home, ShiftMask, "\033[2J", 0, -1},
-	{ XK_KP_Home,       ShiftMask,      "\033[1;2H",     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[H", 0, -1},
-	{ XK_KP_Home,       XK_ANY_MOD,     "\033[1~",       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, "\033Ox", +1, 0},
-	{ XK_KP_Up,         XK_ANY_MOD,     "\033[A",        0,   -1},
+    {XK_KP_Up, XK_ANY_MOD, "\033[A", 0, -1},
-	{ XK_KP_Up,         XK_ANY_MOD,     "\033OA",        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, "\033Or", +1, 0},
-	{ XK_KP_Down,       XK_ANY_MOD,     "\033[B",        0,   -1},
+    {XK_KP_Down, XK_ANY_MOD, "\033[B", 0, -1},
-	{ XK_KP_Down,       XK_ANY_MOD,     "\033OB",        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, "\033Ot", +1, 0},
-	{ XK_KP_Left,       XK_ANY_MOD,     "\033[D",        0,   -1},
+    {XK_KP_Left, XK_ANY_MOD, "\033[D", 0, -1},
-	{ XK_KP_Left,       XK_ANY_MOD,     "\033OD",        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, "\033Ov", +1, 0},
-	{ XK_KP_Right,      XK_ANY_MOD,     "\033[C",        0,   -1},
+    {XK_KP_Right, XK_ANY_MOD, "\033[C", 0, -1},
-	{ XK_KP_Right,      XK_ANY_MOD,     "\033OC",        0,   +1},
+    {XK_KP_Right, XK_ANY_MOD, "\033OC", 0, +1},
-	{ XK_KP_Prior,      ShiftMask,      "\033[5;2~",     0,    0},
+    {XK_KP_Prior, ShiftMask, "\033[5;2~", 0, 0},
-	{ XK_KP_Prior,      XK_ANY_MOD,     "\033[5~",       0,    0},
+    {XK_KP_Prior, XK_ANY_MOD, "\033[5~", 0, 0},
-	{ XK_KP_Begin,      XK_ANY_MOD,     "\033[E",        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[J", -1, 0},
-	{ XK_KP_End,        ControlMask,    "\033[1;5F",    +1,    0},
+    {XK_KP_End, ControlMask, "\033[1;5F", +1, 0},
-	{ XK_KP_End,        ShiftMask,      "\033[K",       -1,    0},
+    {XK_KP_End, ShiftMask, "\033[K", -1, 0},
-	{ XK_KP_End,        ShiftMask,      "\033[1;2F",    +1,    0},
+    {XK_KP_End, ShiftMask, "\033[1;2F", +1, 0},
-	{ XK_KP_End,        XK_ANY_MOD,     "\033[4~",       0,    0},
+    {XK_KP_End, XK_ANY_MOD, "\033[4~", 0, 0},
-	{ XK_KP_Next,       ShiftMask,      "\033[6;2~",     0,    0},
+    {XK_KP_Next, ShiftMask, "\033[6;2~", 0, 0},
-	{ XK_KP_Next,       XK_ANY_MOD,     "\033[6~",       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[2;2~", +1, 0},
-	{ XK_KP_Insert,     ShiftMask,      "\033[4l",      -1,    0},
+    {XK_KP_Insert, ShiftMask, "\033[4l", -1, 0},
-	{ XK_KP_Insert,     ControlMask,    "\033[L",       -1,    0},
+    {XK_KP_Insert, ControlMask, "\033[L", -1, 0},
-	{ XK_KP_Insert,     ControlMask,    "\033[2;5~",    +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[4h", -1, 0},
-	{ XK_KP_Insert,     XK_ANY_MOD,     "\033[2~",      +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[M", -1, 0},
-	{ XK_KP_Delete,     ControlMask,    "\033[3;5~",    +1,    0},
+    {XK_KP_Delete, ControlMask, "\033[3;5~", +1, 0},
-	{ XK_KP_Delete,     ShiftMask,      "\033[2K",      -1,    0},
+    {XK_KP_Delete, ShiftMask, "\033[2K", -1, 0},
-	{ XK_KP_Delete,     ShiftMask,      "\033[3;2~",    +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[P", -1, 0},
-	{ XK_KP_Delete,     XK_ANY_MOD,     "\033[3~",      +1,    0},
+    {XK_KP_Delete, XK_ANY_MOD, "\033[3~", +1, 0},
-	{ XK_KP_Multiply,   XK_ANY_MOD,     "\033Oj",       +2,    0},
+    {XK_KP_Multiply, XK_ANY_MOD, "\033Oj", +2, 0},
-	{ XK_KP_Add,        XK_ANY_MOD,     "\033Ok",       +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, "\033OM", +2, 0},
-	{ XK_KP_Enter,      XK_ANY_MOD,     "\r",           -1,    0},
+    {XK_KP_Enter, XK_ANY_MOD, "\r", -1, 0},
-	{ XK_KP_Subtract,   XK_ANY_MOD,     "\033Om",       +2,    0},
+    {XK_KP_Subtract, XK_ANY_MOD, "\033Om", +2, 0},
-	{ XK_KP_Decimal,    XK_ANY_MOD,     "\033On",       +2,    0},
+    {XK_KP_Decimal, XK_ANY_MOD, "\033On", +2, 0},
-	{ XK_KP_Divide,     XK_ANY_MOD,     "\033Oo",       +2,    0},
+    {XK_KP_Divide, XK_ANY_MOD, "\033Oo", +2, 0},
-	{ XK_KP_0,          XK_ANY_MOD,     "\033Op",       +2,    0},
+    {XK_KP_0, XK_ANY_MOD, "\033Op", +2, 0},
-	{ XK_KP_1,          XK_ANY_MOD,     "\033Oq",       +2,    0},
+    {XK_KP_1, XK_ANY_MOD, "\033Oq", +2, 0},
-	{ XK_KP_2,          XK_ANY_MOD,     "\033Or",       +2,    0},
+    {XK_KP_2, XK_ANY_MOD, "\033Or", +2, 0},
-	{ XK_KP_3,          XK_ANY_MOD,     "\033Os",       +2,    0},
+    {XK_KP_3, XK_ANY_MOD, "\033Os", +2, 0},
-	{ XK_KP_4,          XK_ANY_MOD,     "\033Ot",       +2,    0},
+    {XK_KP_4, XK_ANY_MOD, "\033Ot", +2, 0},
-	{ XK_KP_5,          XK_ANY_MOD,     "\033Ou",       +2,    0},
+    {XK_KP_5, XK_ANY_MOD, "\033Ou", +2, 0},
-	{ XK_KP_6,          XK_ANY_MOD,     "\033Ov",       +2,    0},
+    {XK_KP_6, XK_ANY_MOD, "\033Ov", +2, 0},
-	{ XK_KP_7,          XK_ANY_MOD,     "\033Ow",       +2,    0},
+    {XK_KP_7, XK_ANY_MOD, "\033Ow", +2, 0},
-	{ XK_KP_8,          XK_ANY_MOD,     "\033Ox",       +2,    0},
+    {XK_KP_8, XK_ANY_MOD, "\033Ox", +2, 0},
-	{ XK_KP_9,          XK_ANY_MOD,     "\033Oy",       +2,    0},
+    {XK_KP_9, XK_ANY_MOD, "\033Oy", +2, 0},
-	{ XK_Up,            ShiftMask,      "\033[1;2A",     0,    0},
+    {XK_Up, ShiftMask, "\033[1;2A", 0, 0},
-	{ XK_Up,            Mod1Mask,       "\033[1;3A",     0,    0},
+    {XK_Up, Mod1Mask, "\033[1;3A", 0, 0},
-	{ XK_Up,         ShiftMask|Mod1Mask,"\033[1;4A",     0,    0},
+    {XK_Up, ShiftMask | Mod1Mask, "\033[1;4A", 0, 0},
-	{ XK_Up,            ControlMask,    "\033[1;5A",     0,    0},
+    {XK_Up, ControlMask, "\033[1;5A", 0, 0},
-	{ XK_Up,      ShiftMask|ControlMask,"\033[1;6A",     0,    0},
+    {XK_Up, ShiftMask | ControlMask, "\033[1;6A", 0, 0},
-	{ XK_Up,       ControlMask|Mod1Mask,"\033[1;7A",     0,    0},
+    {XK_Up, ControlMask | Mod1Mask, "\033[1;7A", 0, 0},
-	{ XK_Up,ShiftMask|ControlMask|Mod1Mask,"\033[1;8A",  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, "\033[A", 0, -1},
-	{ XK_Up,            XK_ANY_MOD,     "\033OA",        0,   +1},
+    {XK_Up, XK_ANY_MOD, "\033OA", 0, +1},
-	{ XK_Down,          ShiftMask,      "\033[1;2B",     0,    0},
+    {XK_Down, ShiftMask, "\033[1;2B", 0, 0},
-	{ XK_Down,          Mod1Mask,       "\033[1;3B",     0,    0},
+    {XK_Down, Mod1Mask, "\033[1;3B", 0, 0},
-	{ XK_Down,       ShiftMask|Mod1Mask,"\033[1;4B",     0,    0},
+    {XK_Down, ShiftMask | Mod1Mask, "\033[1;4B", 0, 0},
-	{ XK_Down,          ControlMask,    "\033[1;5B",     0,    0},
+    {XK_Down, ControlMask, "\033[1;5B", 0, 0},
-	{ XK_Down,    ShiftMask|ControlMask,"\033[1;6B",     0,    0},
+    {XK_Down, ShiftMask | ControlMask, "\033[1;6B", 0, 0},
-	{ XK_Down,     ControlMask|Mod1Mask,"\033[1;7B",     0,    0},
+    {XK_Down, ControlMask | Mod1Mask, "\033[1;7B", 0, 0},
-	{ XK_Down,ShiftMask|ControlMask|Mod1Mask,"\033[1;8B",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, "\033[B", 0, -1},
-	{ XK_Down,          XK_ANY_MOD,     "\033OB",        0,   +1},
+    {XK_Down, XK_ANY_MOD, "\033OB", 0, +1},
-	{ XK_Left,          ShiftMask,      "\033[1;2D",     0,    0},
+    {XK_Left, ShiftMask, "\033[1;2D", 0, 0},
-	{ XK_Left,          Mod1Mask,       "\033[1;3D",     0,    0},
+    {XK_Left, Mod1Mask, "\033[1;3D", 0, 0},
-	{ XK_Left,       ShiftMask|Mod1Mask,"\033[1;4D",     0,    0},
+    {XK_Left, ShiftMask | Mod1Mask, "\033[1;4D", 0, 0},
-	{ XK_Left,          ControlMask,    "\033[1;5D",     0,    0},
+    {XK_Left, ControlMask, "\033[1;5D", 0, 0},
-	{ XK_Left,    ShiftMask|ControlMask,"\033[1;6D",     0,    0},
+    {XK_Left, ShiftMask | ControlMask, "\033[1;6D", 0, 0},
-	{ XK_Left,     ControlMask|Mod1Mask,"\033[1;7D",     0,    0},
+    {XK_Left, ControlMask | Mod1Mask, "\033[1;7D", 0, 0},
-	{ XK_Left,ShiftMask|ControlMask|Mod1Mask,"\033[1;8D",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, "\033[D", 0, -1},
-	{ XK_Left,          XK_ANY_MOD,     "\033OD",        0,   +1},
+    {XK_Left, XK_ANY_MOD, "\033OD", 0, +1},
-	{ XK_Right,         ShiftMask,      "\033[1;2C",     0,    0},
+    {XK_Right, ShiftMask, "\033[1;2C", 0, 0},
-	{ XK_Right,         Mod1Mask,       "\033[1;3C",     0,    0},
+    {XK_Right, Mod1Mask, "\033[1;3C", 0, 0},
-	{ XK_Right,      ShiftMask|Mod1Mask,"\033[1;4C",     0,    0},
+    {XK_Right, ShiftMask | Mod1Mask, "\033[1;4C", 0, 0},
-	{ XK_Right,         ControlMask,    "\033[1;5C",     0,    0},
+    {XK_Right, ControlMask, "\033[1;5C", 0, 0},
-	{ XK_Right,   ShiftMask|ControlMask,"\033[1;6C",     0,    0},
+    {XK_Right, ShiftMask | ControlMask, "\033[1;6C", 0, 0},
-	{ XK_Right,    ControlMask|Mod1Mask,"\033[1;7C",     0,    0},
+    {XK_Right, ControlMask | Mod1Mask, "\033[1;7C", 0, 0},
-	{ XK_Right,ShiftMask|ControlMask|Mod1Mask,"\033[1;8C",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, "\033[C", 0, -1},
-	{ XK_Right,         XK_ANY_MOD,     "\033OC",        0,   +1},
+    {XK_Right, XK_ANY_MOD, "\033OC", 0, +1},
-	{ XK_ISO_Left_Tab,  ShiftMask,      "\033[Z",        0,    0},
+    {XK_ISO_Left_Tab, ShiftMask, "\033[Z", 0, 0},
-	{ XK_Return,        Mod1Mask,       "\033\r",        0,    0},
+    {XK_Return, Mod1Mask, "\033\r", 0, 0},
-	{ XK_Return,        XK_ANY_MOD,     "\r",            0,    0},
+    {XK_Return, XK_ANY_MOD, "\r", 0, 0},
-	{ XK_Insert,        ShiftMask,      "\033[4l",      -1,    0},
+    {XK_Insert, ShiftMask, "\033[4l", -1, 0},
-	{ XK_Insert,        ShiftMask,      "\033[2;2~",    +1,    0},
+    {XK_Insert, ShiftMask, "\033[2;2~", +1, 0},
-	{ XK_Insert,        ControlMask,    "\033[L",       -1,    0},
+    {XK_Insert, ControlMask, "\033[L", -1, 0},
-	{ XK_Insert,        ControlMask,    "\033[2;5~",    +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[4h", -1, 0},
-	{ XK_Insert,        XK_ANY_MOD,     "\033[2~",      +1,    0},
+    {XK_Insert, XK_ANY_MOD, "\033[2~", +1, 0},
-	{ XK_Delete,        ControlMask,    "\033[M",       -1,    0},
+    {XK_Delete, ControlMask, "\033[M", -1, 0},
-	{ XK_Delete,        ControlMask,    "\033[3;5~",    +1,    0},
+    {XK_Delete, ControlMask, "\033[3;5~", +1, 0},
-	{ XK_Delete,        ShiftMask,      "\033[2K",      -1,    0},
+    {XK_Delete, ShiftMask, "\033[2K", -1, 0},
-	{ XK_Delete,        ShiftMask,      "\033[3;2~",    +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[P", -1, 0},
-	{ XK_Delete,        XK_ANY_MOD,     "\033[3~",      +1,    0},
+    {XK_Delete, XK_ANY_MOD, "\033[3~", +1, 0},
-	{ XK_BackSpace,     XK_NO_MOD,      "\177",          0,    0},
+    {XK_BackSpace, XK_NO_MOD, "\177", 0, 0},
-	{ XK_BackSpace,     Mod1Mask,       "\033\177",      0,    0},
+    {XK_BackSpace, Mod1Mask, "\033\177", 0, 0},
-	{ XK_Home,          ShiftMask,      "\033[2J",       0,   -1},
+    {XK_Home, ShiftMask, "\033[2J", 0, -1},
-	{ XK_Home,          ShiftMask,      "\033[1;2H",     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[H", 0, -1},
-	{ XK_Home,          XK_ANY_MOD,     "\033[1~",       0,   +1},
+    {XK_Home, XK_ANY_MOD, "\033[1~", 0, +1},
-	{ XK_End,           ControlMask,    "\033[J",       -1,    0},
+    {XK_End, ControlMask, "\033[J", -1, 0},
-	{ XK_End,           ControlMask,    "\033[1;5F",    +1,    0},
+    {XK_End, ControlMask, "\033[1;5F", +1, 0},
-	{ XK_End,           ShiftMask,      "\033[K",       -1,    0},
+    {XK_End, ShiftMask, "\033[K", -1, 0},
-	{ XK_End,           ShiftMask,      "\033[1;2F",    +1,    0},
+    {XK_End, ShiftMask, "\033[1;2F", +1, 0},
-	{ XK_End,           XK_ANY_MOD,     "\033[4~",       0,    0},
+    {XK_End, XK_ANY_MOD, "\033[4~", 0, 0},
-	{ XK_Prior,         ControlMask,    "\033[5;5~",     0,    0},
+    {XK_Prior, ControlMask, "\033[5;5~", 0, 0},
-	{ XK_Prior,         ShiftMask,      "\033[5;2~",     0,    0},
+    {XK_Prior, ShiftMask, "\033[5;2~", 0, 0},
-	{ XK_Prior,         XK_ANY_MOD,     "\033[5~",       0,    0},
+    {XK_Prior, XK_ANY_MOD, "\033[5~", 0, 0},
-	{ XK_Next,          ControlMask,    "\033[6;5~",     0,    0},
+    {XK_Next, ControlMask, "\033[6;5~", 0, 0},
-	{ XK_Next,          ShiftMask,      "\033[6;2~",     0,    0},
+    {XK_Next, ShiftMask, "\033[6;2~", 0, 0},
-	{ XK_Next,          XK_ANY_MOD,     "\033[6~",       0,    0},
+    {XK_Next, XK_ANY_MOD, "\033[6~", 0, 0},
-	{ XK_F1,            XK_NO_MOD,      "\033OP" ,       0,    0},
+    {XK_F1, XK_NO_MOD, "\033OP", 0, 0},
-	{ XK_F1, /* F13 */  ShiftMask,      "\033[1;2P",     0,    0},
+    {XK_F1, /* F13 */ ShiftMask, "\033[1;2P", 0, 0},
-	{ XK_F1, /* F25 */  ControlMask,    "\033[1;5P",     0,    0},
+    {XK_F1, /* F25 */ ControlMask, "\033[1;5P", 0, 0},
-	{ XK_F1, /* F37 */  Mod4Mask,       "\033[1;6P",     0,    0},
+    {XK_F1, /* F37 */ Mod4Mask, "\033[1;6P", 0, 0},
-	{ XK_F1, /* F49 */  Mod1Mask,       "\033[1;3P",     0,    0},
+    {XK_F1, /* F49 */ Mod1Mask, "\033[1;3P", 0, 0},
-	{ XK_F1, /* F61 */  Mod3Mask,       "\033[1;4P",     0,    0},
+    {XK_F1, /* F61 */ Mod3Mask, "\033[1;4P", 0, 0},
-	{ XK_F2,            XK_NO_MOD,      "\033OQ" ,       0,    0},
+    {XK_F2, XK_NO_MOD, "\033OQ", 0, 0},
-	{ XK_F2, /* F14 */  ShiftMask,      "\033[1;2Q",     0,    0},
+    {XK_F2, /* F14 */ ShiftMask, "\033[1;2Q", 0, 0},
-	{ XK_F2, /* F26 */  ControlMask,    "\033[1;5Q",     0,    0},
+    {XK_F2, /* F26 */ ControlMask, "\033[1;5Q", 0, 0},
-	{ XK_F2, /* F38 */  Mod4Mask,       "\033[1;6Q",     0,    0},
+    {XK_F2, /* F38 */ Mod4Mask, "\033[1;6Q", 0, 0},
-	{ XK_F2, /* F50 */  Mod1Mask,       "\033[1;3Q",     0,    0},
+    {XK_F2, /* F50 */ Mod1Mask, "\033[1;3Q", 0, 0},
-	{ XK_F2, /* F62 */  Mod3Mask,       "\033[1;4Q",     0,    0},
+    {XK_F2, /* F62 */ Mod3Mask, "\033[1;4Q", 0, 0},
-	{ XK_F3,            XK_NO_MOD,      "\033OR" ,       0,    0},
+    {XK_F3, XK_NO_MOD, "\033OR", 0, 0},
-	{ XK_F3, /* F15 */  ShiftMask,      "\033[1;2R",     0,    0},
+    {XK_F3, /* F15 */ ShiftMask, "\033[1;2R", 0, 0},
-	{ XK_F3, /* F27 */  ControlMask,    "\033[1;5R",     0,    0},
+    {XK_F3, /* F27 */ ControlMask, "\033[1;5R", 0, 0},
-	{ XK_F3, /* F39 */  Mod4Mask,       "\033[1;6R",     0,    0},
+    {XK_F3, /* F39 */ Mod4Mask, "\033[1;6R", 0, 0},
-	{ XK_F3, /* F51 */  Mod1Mask,       "\033[1;3R",     0,    0},
+    {XK_F3, /* F51 */ Mod1Mask, "\033[1;3R", 0, 0},
-	{ XK_F3, /* F63 */  Mod3Mask,       "\033[1;4R",     0,    0},
+    {XK_F3, /* F63 */ Mod3Mask, "\033[1;4R", 0, 0},
-	{ XK_F4,            XK_NO_MOD,      "\033OS" ,       0,    0},
+    {XK_F4, XK_NO_MOD, "\033OS", 0, 0},
-	{ XK_F4, /* F16 */  ShiftMask,      "\033[1;2S",     0,    0},
+    {XK_F4, /* F16 */ ShiftMask, "\033[1;2S", 0, 0},
-	{ XK_F4, /* F28 */  ControlMask,    "\033[1;5S",     0,    0},
+    {XK_F4, /* F28 */ ControlMask, "\033[1;5S", 0, 0},
-	{ XK_F4, /* F40 */  Mod4Mask,       "\033[1;6S",     0,    0},
+    {XK_F4, /* F40 */ Mod4Mask, "\033[1;6S", 0, 0},
-	{ XK_F4, /* F52 */  Mod1Mask,       "\033[1;3S",     0,    0},
+    {XK_F4, /* F52 */ Mod1Mask, "\033[1;3S", 0, 0},
-	{ XK_F5,            XK_NO_MOD,      "\033[15~",      0,    0},
+    {XK_F5, XK_NO_MOD, "\033[15~", 0, 0},
-	{ XK_F5, /* F17 */  ShiftMask,      "\033[15;2~",    0,    0},
+    {XK_F5, /* F17 */ ShiftMask, "\033[15;2~", 0, 0},
-	{ XK_F5, /* F29 */  ControlMask,    "\033[15;5~",    0,    0},
+    {XK_F5, /* F29 */ ControlMask, "\033[15;5~", 0, 0},
-	{ XK_F5, /* F41 */  Mod4Mask,       "\033[15;6~",    0,    0},
+    {XK_F5, /* F41 */ Mod4Mask, "\033[15;6~", 0, 0},
-	{ XK_F5, /* F53 */  Mod1Mask,       "\033[15;3~",    0,    0},
+    {XK_F5, /* F53 */ Mod1Mask, "\033[15;3~", 0, 0},
-	{ XK_F6,            XK_NO_MOD,      "\033[17~",      0,    0},
+    {XK_F6, XK_NO_MOD, "\033[17~", 0, 0},
-	{ XK_F6, /* F18 */  ShiftMask,      "\033[17;2~",    0,    0},
+    {XK_F6, /* F18 */ ShiftMask, "\033[17;2~", 0, 0},
-	{ XK_F6, /* F30 */  ControlMask,    "\033[17;5~",    0,    0},
+    {XK_F6, /* F30 */ ControlMask, "\033[17;5~", 0, 0},
-	{ XK_F6, /* F42 */  Mod4Mask,       "\033[17;6~",    0,    0},
+    {XK_F6, /* F42 */ Mod4Mask, "\033[17;6~", 0, 0},
-	{ XK_F6, /* F54 */  Mod1Mask,       "\033[17;3~",    0,    0},
+    {XK_F6, /* F54 */ Mod1Mask, "\033[17;3~", 0, 0},
-	{ XK_F7,            XK_NO_MOD,      "\033[18~",      0,    0},
+    {XK_F7, XK_NO_MOD, "\033[18~", 0, 0},
-	{ XK_F7, /* F19 */  ShiftMask,      "\033[18;2~",    0,    0},
+    {XK_F7, /* F19 */ ShiftMask, "\033[18;2~", 0, 0},
-	{ XK_F7, /* F31 */  ControlMask,    "\033[18;5~",    0,    0},
+    {XK_F7, /* F31 */ ControlMask, "\033[18;5~", 0, 0},
-	{ XK_F7, /* F43 */  Mod4Mask,       "\033[18;6~",    0,    0},
+    {XK_F7, /* F43 */ Mod4Mask, "\033[18;6~", 0, 0},
-	{ XK_F7, /* F55 */  Mod1Mask,       "\033[18;3~",    0,    0},
+    {XK_F7, /* F55 */ Mod1Mask, "\033[18;3~", 0, 0},
-	{ XK_F8,            XK_NO_MOD,      "\033[19~",      0,    0},
+    {XK_F8, XK_NO_MOD, "\033[19~", 0, 0},
-	{ XK_F8, /* F20 */  ShiftMask,      "\033[19;2~",    0,    0},
+    {XK_F8, /* F20 */ ShiftMask, "\033[19;2~", 0, 0},
-	{ XK_F8, /* F32 */  ControlMask,    "\033[19;5~",    0,    0},
+    {XK_F8, /* F32 */ ControlMask, "\033[19;5~", 0, 0},
-	{ XK_F8, /* F44 */  Mod4Mask,       "\033[19;6~",    0,    0},
+    {XK_F8, /* F44 */ Mod4Mask, "\033[19;6~", 0, 0},
-	{ XK_F8, /* F56 */  Mod1Mask,       "\033[19;3~",    0,    0},
+    {XK_F8, /* F56 */ Mod1Mask, "\033[19;3~", 0, 0},
-	{ XK_F9,            XK_NO_MOD,      "\033[20~",      0,    0},
+    {XK_F9, XK_NO_MOD, "\033[20~", 0, 0},
-	{ XK_F9, /* F21 */  ShiftMask,      "\033[20;2~",    0,    0},
+    {XK_F9, /* F21 */ ShiftMask, "\033[20;2~", 0, 0},
-	{ XK_F9, /* F33 */  ControlMask,    "\033[20;5~",    0,    0},
+    {XK_F9, /* F33 */ ControlMask, "\033[20;5~", 0, 0},
-	{ XK_F9, /* F45 */  Mod4Mask,       "\033[20;6~",    0,    0},
+    {XK_F9, /* F45 */ Mod4Mask, "\033[20;6~", 0, 0},
-	{ XK_F9, /* F57 */  Mod1Mask,       "\033[20;3~",    0,    0},
+    {XK_F9, /* F57 */ Mod1Mask, "\033[20;3~", 0, 0},
-	{ XK_F10,           XK_NO_MOD,      "\033[21~",      0,    0},
+    {XK_F10, XK_NO_MOD, "\033[21~", 0, 0},
-	{ XK_F10, /* F22 */ ShiftMask,      "\033[21;2~",    0,    0},
+    {XK_F10, /* F22 */ ShiftMask, "\033[21;2~", 0, 0},
-	{ XK_F10, /* F34 */ ControlMask,    "\033[21;5~",    0,    0},
+    {XK_F10, /* F34 */ ControlMask, "\033[21;5~", 0, 0},
-	{ XK_F10, /* F46 */ Mod4Mask,       "\033[21;6~",    0,    0},
+    {XK_F10, /* F46 */ Mod4Mask, "\033[21;6~", 0, 0},
-	{ XK_F10, /* F58 */ Mod1Mask,       "\033[21;3~",    0,    0},
+    {XK_F10, /* F58 */ Mod1Mask, "\033[21;3~", 0, 0},
-	{ XK_F11,           XK_NO_MOD,      "\033[23~",      0,    0},
+    {XK_F11, XK_NO_MOD, "\033[23~", 0, 0},
-	{ XK_F11, /* F23 */ ShiftMask,      "\033[23;2~",    0,    0},
+    {XK_F11, /* F23 */ ShiftMask, "\033[23;2~", 0, 0},
-	{ XK_F11, /* F35 */ ControlMask,    "\033[23;5~",    0,    0},
+    {XK_F11, /* F35 */ ControlMask, "\033[23;5~", 0, 0},
-	{ XK_F11, /* F47 */ Mod4Mask,       "\033[23;6~",    0,    0},
+    {XK_F11, /* F47 */ Mod4Mask, "\033[23;6~", 0, 0},
-	{ XK_F11, /* F59 */ Mod1Mask,       "\033[23;3~",    0,    0},
+    {XK_F11, /* F59 */ Mod1Mask, "\033[23;3~", 0, 0},
-	{ XK_F12,           XK_NO_MOD,      "\033[24~",      0,    0},
+    {XK_F12, XK_NO_MOD, "\033[24~", 0, 0},
-	{ XK_F12, /* F24 */ ShiftMask,      "\033[24;2~",    0,    0},
+    {XK_F12, /* F24 */ ShiftMask, "\033[24;2~", 0, 0},
-	{ XK_F12, /* F36 */ ControlMask,    "\033[24;5~",    0,    0},
+    {XK_F12, /* F36 */ ControlMask, "\033[24;5~", 0, 0},
-	{ XK_F12, /* F48 */ Mod4Mask,       "\033[24;6~",    0,    0},
+    {XK_F12, /* F48 */ Mod4Mask, "\033[24;6~", 0, 0},
-	{ XK_F12, /* F60 */ Mod1Mask,       "\033[24;3~",    0,    0},
+    {XK_F12, /* F60 */ Mod1Mask, "\033[24;3~", 0, 0},
-	{ XK_F13,           XK_NO_MOD,      "\033[1;2P",     0,    0},
+    {XK_F13, XK_NO_MOD, "\033[1;2P", 0, 0},
-	{ XK_F14,           XK_NO_MOD,      "\033[1;2Q",     0,    0},
+    {XK_F14, XK_NO_MOD, "\033[1;2Q", 0, 0},
-	{ XK_F15,           XK_NO_MOD,      "\033[1;2R",     0,    0},
+    {XK_F15, XK_NO_MOD, "\033[1;2R", 0, 0},
-	{ XK_F16,           XK_NO_MOD,      "\033[1;2S",     0,    0},
+    {XK_F16, XK_NO_MOD, "\033[1;2S", 0, 0},
-	{ XK_F17,           XK_NO_MOD,      "\033[15;2~",    0,    0},
+    {XK_F17, XK_NO_MOD, "\033[15;2~", 0, 0},
-	{ XK_F18,           XK_NO_MOD,      "\033[17;2~",    0,    0},
+    {XK_F18, XK_NO_MOD, "\033[17;2~", 0, 0},
-	{ XK_F19,           XK_NO_MOD,      "\033[18;2~",    0,    0},
+    {XK_F19, XK_NO_MOD, "\033[18;2~", 0, 0},
-	{ XK_F20,           XK_NO_MOD,      "\033[19;2~",    0,    0},
+    {XK_F20, XK_NO_MOD, "\033[19;2~", 0, 0},
-	{ XK_F21,           XK_NO_MOD,      "\033[20;2~",    0,    0},
+    {XK_F21, XK_NO_MOD, "\033[20;2~", 0, 0},
-	{ XK_F22,           XK_NO_MOD,      "\033[21;2~",    0,    0},
+    {XK_F22, XK_NO_MOD, "\033[21;2~", 0, 0},
-	{ XK_F23,           XK_NO_MOD,      "\033[23;2~",    0,    0},
+    {XK_F23, XK_NO_MOD, "\033[23;2~", 0, 0},
-	{ XK_F24,           XK_NO_MOD,      "\033[24;2~",    0,    0},
+    {XK_F24, XK_NO_MOD, "\033[24;2~", 0, 0},
-	{ XK_F25,           XK_NO_MOD,      "\033[1;5P",     0,    0},
+    {XK_F25, XK_NO_MOD, "\033[1;5P", 0, 0},
-	{ XK_F26,           XK_NO_MOD,      "\033[1;5Q",     0,    0},
+    {XK_F26, XK_NO_MOD, "\033[1;5Q", 0, 0},
-	{ XK_F27,           XK_NO_MOD,      "\033[1;5R",     0,    0},
+    {XK_F27, XK_NO_MOD, "\033[1;5R", 0, 0},
-	{ XK_F28,           XK_NO_MOD,      "\033[1;5S",     0,    0},
+    {XK_F28, XK_NO_MOD, "\033[1;5S", 0, 0},
-	{ XK_F29,           XK_NO_MOD,      "\033[15;5~",    0,    0},
+    {XK_F29, XK_NO_MOD, "\033[15;5~", 0, 0},
-	{ XK_F30,           XK_NO_MOD,      "\033[17;5~",    0,    0},
+    {XK_F30, XK_NO_MOD, "\033[17;5~", 0, 0},
-	{ XK_F31,           XK_NO_MOD,      "\033[18;5~",    0,    0},
+    {XK_F31, XK_NO_MOD, "\033[18;5~", 0, 0},
-	{ XK_F32,           XK_NO_MOD,      "\033[19;5~",    0,    0},
+    {XK_F32, XK_NO_MOD, "\033[19;5~", 0, 0},
-	{ XK_F33,           XK_NO_MOD,      "\033[20;5~",    0,    0},
+    {XK_F33, XK_NO_MOD, "\033[20;5~", 0, 0},
-	{ XK_F34,           XK_NO_MOD,      "\033[21;5~",    0,    0},
+    {XK_F34, XK_NO_MOD, "\033[21;5~", 0, 0},
-	{ XK_F35,           XK_NO_MOD,      "\033[23;5~",    0,    0},
+    {XK_F35, XK_NO_MOD, "\033[23;5~", 0, 0},
 };
 
 /*
@@ -461,14 +457,13 @@ 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[] =
+static char ascii_printable[] = " !\"#$%&'()*+,-./0123456789:;<=>?"
-	" !\"#$%&'()*+,-./0123456789:;<=>?"
+                                "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
-	"@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
+                                "`abcdefghijklmnopqrstuvwxyz{|}~";
-	"`abcdefghijklmnopqrstuvwxyz{|}~";

config.h

@@ -0,0 +1,469 @@
+/* See LICENSE file for copyright and license details. */
+
+/*
+ * appearance
+ *
+ * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
+ */
+static char *font =
+    "JetBrainsMono NFP:pixelsize=15:antialias=true:autohint=true";
+static char *font2[] = {
+    "Noto Color Emoji:pixelsize=15:antialias=true:autohint=true",
+};
+static int borderpx = 2;
+
+/*
+ * What program is execed by st depends of these precedence rules:
+ * 1: program passed with -e
+ * 2: scroll and/or utmp
+ * 3: SHELL environment variable
+ * 4: value of shell in /etc/passwd
+ * 5: value of shell in config.h
+ */
+static char *shell = "/bin/bash";
+char *utmp = NULL;
+/* scroll program: to enable use a string like "scroll" */
+char *scroll = NULL;
+char *stty_args = "stty raw pass8 nl -echo -iexten -cstopb 38400";
+
+/* identification sequence returned in DA and DECID */
+char *vtiden = "\033[?6c";
+
+/* Kerning / character bounding-box multipliers */
+static float cwscale = 1.0;
+static float chscale = 1.0;
+
+/*
+ * word delimiter string
+ *
+ * More advanced example: L" `'\"()[]{}"
+ */
+wchar_t *worddelimiters = L" ";
+
+/* selection timeouts (in milliseconds) */
+static unsigned int doubleclicktimeout = 300;
+static unsigned int tripleclicktimeout = 600;
+
+/* alt screens */
+int allowaltscreen = 1;
+
+/* allow certain non-interactive (insecure) window operations such as:
+   setting the clipboard text */
+int allowwindowops = 0;
+
+/*
+ * draw latency range in ms - from new content/keypress/etc until drawing.
+ * within this range, st draws when content stops arriving (idle). mostly it's
+ * near minlatency, but it waits longer for slow updates to avoid partial draw.
+ * low minlatency will tear/flicker more, as it can "detect" idle too early.
+ */
+static double minlatency = 2;
+static double maxlatency = 33;
+
+/*
+ * blinking timeout (set to 0 to disable blinking) for the terminal blinking
+ * attribute.
+ */
+static unsigned int blinktimeout = 800;
+
+/*
+ * thickness of underline and bar cursors
+ */
+static unsigned int cursorthickness = 2;
+
+/*
+ * bell volume. It must be a value between -100 and 100. Use 0 for disabling
+ * it
+ */
+static int bellvolume = 0;
+
+/* default TERM value */
+char *termname = "st-256color";
+
+/*
+ * spaces per tab
+ *
+ * When you are changing this value, don't forget to adapt the »it« value in
+ * the st.info and appropriately install the st.info in the environment where
+ * you use this st version.
+ *
+ *	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
+ */
+unsigned int tabspaces = 8;
+
+/* Terminal colors (16 first used in escape sequence) */
+static const char *colorname[] = {
+    /* 8 normal colors */
+    [0] = "#282828",  /* hard contrast: #1d2021 / soft contrast: #32302f */
+    [1] = "#cc241d",  /* red     */
+    [2] = "#98971a",  /* green   */
+    [3] = "#d79921",  /* yellow  */
+    [4] = "#458588",  /* blue    */
+    [5] = "#b16286",  /* magenta */
+    [6] = "#689d6a",  /* cyan    */
+    [7] = "#a89984",  /* white   */
+    [8] = "#928374",  /* black   */
+    [9] = "#fb4934",  /* red     */
+    [10] = "#b8bb26", /* green   */
+    [11] = "#fabd2f", /* yellow  */
+    [12] = "#83a598", /* blue    */
+    [13] = "#d3869b", /* magenta */
+    [14] = "#8ec07c", /* cyan    */
+    [15] = "#ebdbb2", /* white   */
+    [255] = 0,
+};
+/*
+ * Default colors (colorname index)
+ * foreground, background, cursor, reverse cursor
+ */
+unsigned int defaultfg = 15;
+unsigned int defaultbg = 0;
+unsigned int defaultcs = 15;
+static unsigned int defaultrcs = 257;
+
+/* https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h4-Functions-using-CSI-_-ordered-by-the-final-character-lparen-s-rparen:CSI-Ps-SP-q.1D81
+ * Default style of cursor
+ * 0: blinking block
+ * 1: blinking block (default)
+ * 2: steady block ("█")
+ * 3: blinking underline
+ * 4: steady underline ("_")
+ * 5: blinking bar
+ * 6: steady bar ("|")
+ * 7: blinking st cursor
+ * 8: steady st cursor
+ */
+static unsigned int cursorshape = 0;
+
+/*
+ * Default columns and rows numbers
+ */
+
+static unsigned int cols = 80;
+static unsigned int rows = 24;
+
+/*
+ * Default colour and shape of the mouse cursor
+ */
+static unsigned int mouseshape = XC_xterm;
+static unsigned int mousefg = 7;
+static unsigned int mousebg = 0;
+
+/*
+ * Color used to display font attributes when fontconfig selected a font which
+ * doesn't match the ones requested.
+ */
+static unsigned int defaultattr = 11;
+
+/*
+ * Force mouse select/shortcuts while mask is active (when MODE_MOUSE is set).
+ * Note that if you want to use ShiftMask with selmasks, set this to an other
+ * modifier, set to 0 to not use it.
+ */
+static uint forcemousemod = ShiftMask;
+
+/*
+ * Internal mouse shortcuts.
+ * 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, kscrollup, {.i = 1}},
+    {ShiftMask, Button5, kscrolldown, {.i = 1}},
+};
+
+/* Internal keyboard shortcuts. */
+#define MODKEY Mod1Mask
+#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}},
+    {ControlMask, XK_KP_Add, zoom, {.f = +1}},
+    {ControlMask, XK_minus, 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}},
+};
+
+/*
+ * Special keys (change & recompile st.info accordingly)
+ *
+ * Mask value:
+ * * Use XK_ANY_MOD to match the key no matter modifiers state
+ * * Use XK_NO_MOD to match the key alone (no modifiers)
+ * appkey value:
+ * * 0: no value
+ * * > 0: keypad application mode enabled
+ * *   = 2: term.numlock = 1
+ * * < 0: keypad application mode disabled
+ * appcursor value:
+ * * 0: no value
+ * * > 0: cursor application mode enabled
+ * * < 0: cursor application mode disabled
+ *
+ * Be careful with the order of the definitions because st searches in
+ * this table sequentially, so any XK_ANY_MOD must be in the last
+ * position for a key.
+ */
+
+/*
+ * 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};
+
+/*
+ * 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;
+
+/*
+ * 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},
+};
+
+/*
+ * Selection types' masks.
+ * Use the same masks as usual.
+ * Button1Mask is always unset, to make masks match between ButtonPress.
+ * ButtonRelease and MotionNotify.
+ * If no match is found, regular selection is used.
+ */
+static uint selmasks[] = {
+    [SEL_RECTANGULAR] = Mod1Mask,
+};
+
+/*
+ * Printable characters in ASCII, used to estimate the advance width
+ * of single wide characters.
+ */
+static char ascii_printable[] = " !\"#$%&'()*+,-./0123456789:;<=>?"
+                                "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"
+                                "`abcdefghijklmnopqrstuvwxyz{|}~";

config.mk

@@ -1,5 +1,5 @@
 # st version
-VERSION = 0.9.2
+VERSION = 0.9
 
 # Customize below to fit your system
 
@@ -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
@@ -34,3 +36,4 @@ STLDFLAGS = $(LIBS) $(LDFLAGS)
 
 # compiler and linker
 # CC = c99
+

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));
+}

hb.h

@@ -0,0 +1,14 @@
+#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 *);

st.h

@@ -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)
@@ -81,6 +82,8 @@ void die(const char *, ...);
 void redraw(void);
 void draw(void);
 
+void kscrolldown(const Arg *);
+void kscrollup(const Arg *);
 void printscreen(const Arg *);
 void printsel(const Arg *);
 void sendbreak(const Arg *);

st.h.orig

@@ -0,0 +1,129 @@
+/* See LICENSE for license details. */
+
+#include <stdint.h>
+#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 & (~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)))
+
+#define TRUECOLOR(r,g,b)	(1 << 24 | (r) << 16 | (g) << 8 | (b))
+#define IS_TRUECOL(x)		(1 << 24 & (x))
+
+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,
+};
+
+enum selection_mode {
+	SEL_IDLE = 0,
+	SEL_EMPTY = 1,
+	SEL_READY = 2
+};
+
+enum selection_type {
+	SEL_REGULAR = 1,
+	SEL_RECTANGULAR = 2
+};
+
+enum selection_snap {
+	SNAP_WORD = 1,
+	SNAP_LINE = 2
+};
+
+typedef unsigned char uchar;
+typedef unsigned int uint;
+typedef unsigned long ulong;
+typedef unsigned short ushort;
+
+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  */
+} Glyph;
+
+typedef Glyph *Line;
+
+typedef union {
+	int i;
+	uint ui;
+	float f;
+	const void *v;
+	const char *s;
+} Arg;
+
+void die(const char *, ...);
+void redraw(void);
+void draw(void);
+
+void kscrolldown(const Arg *);
+void kscrollup(const Arg *);
+void printscreen(const Arg *);
+void printsel(const Arg *);
+void sendbreak(const Arg *);
+void toggleprinter(const Arg *);
+
+int tattrset(int);
+void tnew(int, int);
+void tresize(int, int);
+void tsetdirtattr(int);
+void ttyhangup(void);
+int ttynew(const char *, char *, const char *, char **);
+size_t ttyread(void);
+void ttyresize(int, int);
+void ttywrite(const char *, size_t, int);
+
+void resettitle(void);
+
+void selclear(void);
+void selinit(void);
+void selstart(int, int, int);
+void selextend(int, int, int, int);
+int selected(int, int);
+char *getsel(void);
+
+size_t utf8encode(Rune, char *);
+
+void *xmalloc(size_t);
+void *xrealloc(void *, size_t);
+char *xstrdup(const char *);
+
+/* config.h globals */
+extern char *utmp;
+extern char *scroll;
+extern char *stty_args;
+extern char *vtiden;
+extern wchar_t *worddelimiters;
+extern int allowaltscreen;
+extern int allowwindowops;
+extern char *termname;
+extern unsigned int tabspaces;
+extern unsigned int defaultfg;
+extern unsigned int defaultbg;
+extern unsigned int defaultcs;

win.h

@@ -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);

x.c

@@ -4,6 +4,7 @@
 #include <limits.h>
 #include <locale.h>
 #include <signal.h>
+#include <stdlib.h>
 #include <sys/select.h>
 #include <time.h>
 #include <unistd.h>
@@ -19,6 +20,7 @@ char *argv0;
 #include "arg.h"
 #include "st.h"
 #include "win.h"
+#include "hb.h"
 
 /* types used in config.h */
 typedef struct {
@@ -141,8 +143,9 @@ 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);
@@ -157,6 +160,8 @@ static void xhints(void);
 static int xloadcolor(int, const char *, Color *);
 static int xloadfont(Font *, FcPattern *);
 static void xloadfonts(const char *, double);
+static int xloadsparefont(FcPattern *, int);
+static void xloadsparefonts(void);
 static void xunloadfont(Font *);
 static void xunloadfonts(void);
 static void xsetenv(void);
@@ -253,6 +258,7 @@ static char *opt_name  = NULL;
 static char *opt_title = NULL;
 
 static uint buttons; /* bit field of pressed buttons */
+static int cursorblinks = 0;
 
 void
 clipcopy(const Arg *dummy)
@@ -306,6 +312,7 @@ zoomabs(const Arg *arg)
 {
 	xunloadfonts();
 	xloadfonts(usedfont, arg->f);
+	xloadsparefonts();
 	cresize(0, 0);
 	redraw();
 	xhints();
@@ -757,7 +764,7 @@ 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
@@ -1050,6 +1057,101 @@ xloadfonts(const char *fontstr, double fontsize)
 	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)
 {
@@ -1062,6 +1164,9 @@ 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);
@@ -1145,7 +1250,11 @@ xinit(int cols, int rows)
 		die("could not init fontconfig.\n");
 
 	usedfont = (opt_font == NULL)? font : opt_font;
-	xloadfonts(usedfont, 0);
+	
+	xloadfonts(usedfont, defaultfontsize);
+
+	/* spare fonts */
+	xloadsparefonts();
 
 	/* colors */
 	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
@@ -1188,7 +1297,7 @@ 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);
@@ -1242,6 +1351,22 @@ 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)
 {
@@ -1256,128 +1381,156 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
 	FcPattern *fcpattern, *fontpattern;
 	FcFontSet *fcsets[] = { NULL };
 	FcCharSet *fccharset;
-	int i, f, numspecs = 0;
+	int i, f, length = 0, start = 0, numspecs = 0;
+	float cluster_xp = xp, cluster_yp = yp;
+	HbTransformData shaped = { 0 };
+
+	/* Initial values. */
+	mode = prevmode = glyphs[0].mode & ~ATTR_WRAP;
+	xresetfontsettings(mode, &font, &frcflags);
 
 	for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
-		/* Fetch rune and mode for current glyph. */
+		mode = glyphs[i].mode & ~ATTR_WRAP;
-		rune = glyphs[i].u;
-		mode = glyphs[i].mode;
 
 		/* Skip dummy wide-character spacing. */
-		if (mode == ATTR_WDUMMY)
+		if (mode & ATTR_WDUMMY && i < (len - 1))
 			continue;
 
-		/* Determine font for glyph if different from previous glyph. */
+		if (
-		if (prevmode != mode) {
+			prevmode != mode
-			prevmode = mode;
+			|| ATTRCMP(glyphs[start], glyphs[i])
-			font = &dc.font;
+			|| selected(x + i, y) != selected(x + start, y)
-			frcflags = FRC_NORMAL;
+			|| i == (len - 1)
-			runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
+		) {
-			if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
+			/* Handle 1-character wide segments and end of line */
-				font = &dc.ibfont;
+			length = i - start;
-				frcflags = FRC_ITALICBOLD;
+			if (i == start) {
-			} else if (mode & ATTR_ITALIC) {
+				length = 1;
-				font = &dc.ifont;
+			} else if (i == (len - 1)) {
-				frcflags = FRC_ITALIC;
+				length = (i - start + 1);
-			} else if (mode & ATTR_BOLD) {
-				font = &dc.bfont;
-				frcflags = FRC_BOLD;
-			}
-			yp = winy + font->ascent;
-		}
-
-		/* 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;
-			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,
+			/* Shape the segment. */
-					fontpattern);
+			hbtransform(&shaped, font->match, glyphs, start, length);
-			if (!frc[frclen].font)
+			runewidth = win.cw * ((glyphs[start].mode & ATTR_WIDE) ? 2.0f : 1.0f);
-				die("XftFontOpenPattern failed seeking fallback font: %s\n",
+			cluster_xp = xp; cluster_yp = yp;
-					strerror(errno));
+			for (int code_idx = 0; code_idx < shaped.count; code_idx++) {
-			frc[frclen].flags = frcflags;
+				int idx = shaped.glyphs[code_idx].cluster;
-			frc[frclen].unicodep = rune;
 
-			glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
+				if (glyphs[start + idx].mode & ATTR_WDUMMY)
+					continue;
 
-			f = frclen;
+				/* Advance the drawing cursor if we've moved to a new cluster */
-			frclen++;
+				if (code_idx > 0 && idx != shaped.glyphs[code_idx - 1].cluster) {
+					xp += runewidth;
+					cluster_xp = xp;
+					cluster_yp = yp;
+					runewidth = win.cw * ((glyphs[start + idx].mode & ATTR_WIDE) ? 2.0f : 1.0f);
+				}
 
-			FcPatternDestroy(fcpattern);
+				if (shaped.glyphs[code_idx].codepoint != 0) {
-			FcCharSetDestroy(fccharset);
+					/* 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[start + 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;
+					numspecs++;
+				}
+			}
+
+			/* Cleanup and get ready for next segment. */
+			hbcleanup(&shaped);
+			start = i;
+
+			/* Determine font for glyph if different from previous glyph. */
+			if (prevmode != mode) {
+				prevmode = mode;
+				xresetfontsettings(mode, &font, &frcflags);
+				yp = winy + font->ascent;
+			}
 		}
-
-		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;
 }
 
 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;
@@ -1513,21 +1666,24 @@ void
 xdrawglyph(Glyph g, int x, int y)
 {
 	int numspecs;
-	XftGlyphFontSpec spec;
+	XftGlyphFontSpec *specs = xw.specbuf;
 
-	numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
+	numspecs = xmakeglyphfontspecs(specs, &g, 1, x, y);
-	xdrawglyphfontspecs(&spec, g, numspecs, 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;
@@ -1561,29 +1717,44 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
 	/* draw the new one */
 	if (IS_SET(MODE_FOCUSED)) {
 		switch (win.cursor) {
-		case 7: /* st extension */
+		default:
-			g.u = 0x2603; /* snowman (U+2603) */
+		case 0: /* blinking block */
+		case 1: /* blinking block (default) */
+			if (IS_SET(MODE_BLINK))
+				break;
 			/* FALLTHROUGH */
-		case 0: /* Blinking Block */
+		case 2: /* steady block */
-		case 1: /* Blinking Block (Default) */
-		case 2: /* Steady Block */
 			xdrawglyph(g, cx, cy);
 			break;
-		case 3: /* Blinking Underline */
+		case 3: /* blinking underline */
-		case 4: /* Steady Underline */
+			if (IS_SET(MODE_BLINK))
+				break;
+			/* FALLTHROUGH */
+		case 4: /* steady underline */
 			XftDrawRect(xw.draw, &drawcol,
 					borderpx + cx * win.cw,
 					borderpx + (cy + 1) * win.ch - \
 						cursorthickness,
 					win.cw, cursorthickness);
 			break;
-		case 5: /* Blinking bar */
+		case 5: /* blinking bar */
-		case 6: /* Steady bar */
+			if (IS_SET(MODE_BLINK))
+				break;
+			/* FALLTHROUGH */
+		case 6: /* steady bar */
 			XftDrawRect(xw.draw, &drawcol,
 					borderpx + cx * win.cw,
 					borderpx + 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 = (unsigned int) xsetcursor;
+			xdrawglyph(g, cx, cy);
+			break;
 		}
 	} else {
 		XftDrawRect(xw.draw, &drawcol,
@@ -1661,18 +1832,16 @@ 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)) {
+		if ((i > 0) && ATTRCMP(base, new)) {
-			xdrawglyphfontspecs(specs, base, i, ox, y1);
+			numspecs = xmakeglyphfontspecs(specs, &line[ox], x - ox, ox, y1);
-			specs += i;
+			xdrawglyphfontspecs(specs, base, numspecs, ox, y1, x - ox);
-			numspecs -= i;
 			i = 0;
 		}
 		if (i == 0) {
@@ -1681,8 +1850,10 @@ xdrawline(Line line, int x1, int y1, int x2)
 		}
 		i++;
 	}
-	if (i > 0)
+	if (i > 0) {
-		xdrawglyphfontspecs(specs, base, i, ox, y1);
+		numspecs = xmakeglyphfontspecs(specs, &line[ox], x2 - ox, ox, y1);
+		xdrawglyphfontspecs(specs, base, numspecs, ox, y1, x2 - ox);
+	}
 }
 
 void
@@ -1746,9 +1917,12 @@ xsetmode(int set, unsigned int flags)
 int
 xsetcursor(int cursor)
 {
-	if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */
+	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;
 }
 
@@ -1995,6 +2169,10 @@ run(void)
 		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)) \
@@ -2005,7 +2183,7 @@ run(void)
 
 		/* idle detected or maxlatency exhausted -> draw */
 		timeout = -1;
-		if (blinktimeout && tattrset(ATTR_BLINK)) {
+		if (blinktimeout && (cursorblinks || tattrset(ATTR_BLINK))) {
 			timeout = blinktimeout - TIMEDIFF(now, lastblink);
 			if (timeout <= 0) {
 				if (-timeout > blinktimeout) /* start visible */
@@ -2083,6 +2261,11 @@ main(int argc, char *argv[])
 	case 'v':
 		die("%s " VERSION "\n", argv0);
 		break;
+	case 'z':
+		defaultfontsize = strtod(EARGF(usage()), NULL);
+		if (!(defaultfontsize > 0))
+			usage();
+		break;
 	default:
 		usage();
 	} ARGEND;