Backlog limitHEADmaster

3 files changed, 576 insertions, 51 deletions

diff --git a/config.def.h b/config.def.h
index fd09d72..db0bf24 100644
--- a/config.def.h
+++ b/config.def.h
@@ -7,6 +7,7 @@
  */
 static char font[] = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
 static int borderpx = 2;
+#define histsize 2000
 
 /*
  * What program is execed by st depends of these precedence rules:
@@ -136,8 +137,14 @@ static unsigned int defaultunderline = 7;
  */
 static MouseShortcut mshortcuts[] = {
 	/* button               mask            string */
-	{ Button4,              XK_ANY_MOD,     "\031" },
-	{ Button5,              XK_ANY_MOD,     "\005" },
+	{ Button4,              XK_NO_MOD,      "\031" },
+	{ Button5,              XK_NO_MOD,      "\005" },
+};
+
+static MouseKey mkeys[] = {
+	/* button               mask            function        argument */
+	{ Button4,              ShiftMask,      kscrollup,      {.i =  1} },
+	{ Button5,              ShiftMask,      kscrolldown,    {.i =  1} },
 };
 
 /* Internal keyboard shortcuts. */
@@ -157,6 +164,8 @@ static Shortcut shortcuts[] = {
 	{ MODKEY|ShiftMask,     XK_C,           clipcopy,       {.i =  0} },
 	{ MODKEY|ShiftMask,     XK_V,           clippaste,      {.i =  0} },
 	{ MODKEY,               XK_Num_Lock,    numlock,        {.i =  0} },
+	{ ShiftMask,            XK_Page_Up,     kscrollup,      {.i = -1} },
+	{ ShiftMask,            XK_Page_Down,   kscrolldown,    {.i = -1} },
 };
 
 /*
diff --git a/config.h b/config.h
new file mode 100644
index 0000000..b5812de
--- /dev/null
+++ b/config.h
@@ -0,0 +1,426 @@
+/* See LICENSE file for copyright and license details. */
+
+/*
+ * appearance
+ *
+ * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
+ */
+static char font[] = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
+static int borderpx = 2;
+#define histsize 20000
+
+/*
+ * What program is execed by st depends of these precedence rules:
+ * 1: program passed with -e
+ * 2: utmp option
+ * 3: SHELL environment variable
+ * 4: value of shell in /etc/passwd
+ * 5: value of shell in config.h
+ */
+static char shell[] = "/bin/sh";
+static char *utmp = NULL;
+static char stty_args[] = "stty raw pass8 nl -echo -iexten -cstopb 38400";
+
+/* identification sequence returned in DA and DECID */
+static 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: " `'\"()[]{}"
+ */
+static char worddelimiters[] = " ";
+
+/* selection timeouts (in milliseconds) */
+static unsigned int doubleclicktimeout = 300;
+static unsigned int tripleclicktimeout = 600;
+
+/* alt screens */
+static int allowaltscreen = 1;
+
+/* frames per second st should at maximum draw to the screen */
+static unsigned int xfps = 120;
+static unsigned int actionfps = 30;
+
+/*
+ * 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 */
+static char termname[] = "st-256color";
+
+static unsigned int tabspaces = 4;
+
+/* Terminal colors (16 first used in escape sequence) */
+static const char *colorname[] = {
+	/* 8 normal colors */
+	"#073642",
+	"#dc322f",
+	"#859900",
+	"#b58900",
+	"#268bd2",
+    "#d33682",
+	"#2aa198",
+	"#eee8d5",
+
+	/* 8 bright colors */
+	"#002b36",
+	"#cb4b16",
+	"#586e75",
+	"#657b83",
+	"#839496",
+	"#6c71c4",
+	"#93a1a1",
+	"#fdf6e3",
+
+	[255] = 0,
+
+	/* more colors can be added after 255 to use with DefaultXX */
+	"#cccccc",
+};
+
+/*
+ * Default colors (colorname index)
+ * foreground, background, cursor, reverse cursor
+ */
+static unsigned int defaultfg = 11;
+static unsigned int defaultbg = 8;
+static unsigned int defaultcs = 14;
+static unsigned int defaultrcs = 257;
+
+/*
+ * Default shape of cursor
+ * 2: Block ("█")
+ * 4: Underline ("_")
+ * 6: Bar ("|")
+ * 7: Snowman ("☃")
+ */
+static unsigned int cursorshape = 2;
+
+/*
+ * Default colour and shape of the mouse cursor
+ */
+static unsigned int mouseshape = XC_xterm;
+static unsigned int mousefg = 7;
+static unsigned int mousebg = 0;
+
+/*
+ * Colors used, when the specific fg == defaultfg. So in reverse mode this
+ * will reverse too. Another logic would only make the simple feature too
+ * complex.
+ */
+static unsigned int defaultitalic = 11;
+static unsigned int defaultunderline = 7;
+
+/*
+ * Internal mouse shortcuts.
+ * Beware that overloading Button1 will disable the selection.
+ */
+static MouseShortcut mshortcuts[] = {
+	/* button               mask            string */
+	{ Button4,              XK_NO_MOD,      "\031" },
+	{ Button5,              XK_NO_MOD,      "\005" },
+};
+
+static MouseKey mkeys[] = {
+	/* button               mask            function        argument */
+	{ Button4,              ShiftMask,      kscrollup,      {.i =  1} },
+	{ Button5,              ShiftMask,      kscrolldown,    {.i =  1} },
+};
+
+/* Internal keyboard shortcuts. */
+#define MODKEY Mod1Mask
+
+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} },
+	{ MODKEY|ShiftMask,     XK_Prior,       xzoom,          {.f = +1} },
+	{ MODKEY|ShiftMask,     XK_Next,        xzoom,          {.f = -1} },
+	{ MODKEY|ShiftMask,     XK_Home,        xzoomreset,     {.f =  0} },
+	{ ShiftMask,            XK_Insert,      selpaste,       {.i =  0} },
+	{ MODKEY|ShiftMask,     XK_Insert,      clippaste,      {.i =  0} },
+	{ MODKEY|ShiftMask,     XK_C,           clipcopy,       {.i =  0} },
+	{ MODKEY|ShiftMask,     XK_V,           clippaste,      {.i =  0} },
+	{ MODKEY,               XK_Num_Lock,    numlock,        {.i =  0} },
+	{ ShiftMask,            XK_Page_Up,     kscrollup,      {.i = -1} },
+	{ ShiftMask,            XK_Page_Down,   kscrolldown,    {.i = -1} },
+};
+
+/*
+ * 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
+ * crlf value
+ * * 0: no value
+ * * > 0: crlf mode is enabled
+ * * < 0: crlf mode is 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;
+
+/*
+ * Override mouse-select 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 forceselmod = ShiftMask;
+
+/*
+ * 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 crlf */
+	{ XK_KP_Home,       ShiftMask,      "\033[2J",       0,   -1,    0},
+	{ XK_KP_Home,       ShiftMask,      "\033[1;2H",     0,   +1,    0},
+	{ XK_KP_Home,       XK_ANY_MOD,     "\033[H",        0,   -1,    0},
+	{ XK_KP_Home,       XK_ANY_MOD,     "\033[1~",       0,   +1,    0},
+	{ XK_KP_Up,         XK_ANY_MOD,     "\033Ox",       +1,    0,    0},
+	{ XK_KP_Up,         XK_ANY_MOD,     "\033[A",        0,   -1,    0},
+	{ XK_KP_Up,         XK_ANY_MOD,     "\033OA",        0,   +1,    0},
+	{ XK_KP_Down,       XK_ANY_MOD,     "\033Or",       +1,    0,    0},
+	{ XK_KP_Down,       XK_ANY_MOD,     "\033[B",        0,   -1,    0},
+	{ XK_KP_Down,       XK_ANY_MOD,     "\033OB",        0,   +1,    0},
+	{ XK_KP_Left,       XK_ANY_MOD,     "\033Ot",       +1,    0,    0},
+	{ XK_KP_Left,       XK_ANY_MOD,     "\033[D",        0,   -1,    0},
+	{ XK_KP_Left,       XK_ANY_MOD,     "\033OD",        0,   +1,    0},
+	{ XK_KP_Right,      XK_ANY_MOD,     "\033Ov",       +1,    0,    0},
+	{ XK_KP_Right,      XK_ANY_MOD,     "\033[C",        0,   -1,    0},
+	{ XK_KP_Right,      XK_ANY_MOD,     "\033OC",        0,   +1,    0},
+	{ XK_KP_Prior,      ShiftMask,      "\033[5;2~",     0,    0,    0},
+	{ XK_KP_Prior,      XK_ANY_MOD,     "\033[5~",       0,    0,    0},
+	{ XK_KP_Begin,      XK_ANY_MOD,     "\033[E",        0,    0,    0},
+	{ XK_KP_End,        ControlMask,    "\033[J",       -1,    0,    0},
+	{ XK_KP_End,        ControlMask,    "\033[1;5F",    +1,    0,    0},
+	{ XK_KP_End,        ShiftMask,      "\033[K",       -1,    0,    0},
+	{ XK_KP_End,        ShiftMask,      "\033[1;2F",    +1,    0,    0},
+	{ XK_KP_End,        XK_ANY_MOD,     "\033[4~",       0,    0,    0},
+	{ XK_KP_Next,       ShiftMask,      "\033[6;2~",     0,    0,    0},
+	{ XK_KP_Next,       XK_ANY_MOD,     "\033[6~",       0,    0,    0},
+	{ XK_KP_Insert,     ShiftMask,      "\033[2;2~",    +1,    0,    0},
+	{ XK_KP_Insert,     ShiftMask,      "\033[4l",      -1,    0,    0},
+	{ XK_KP_Insert,     ControlMask,    "\033[L",       -1,    0,    0},
+	{ XK_KP_Insert,     ControlMask,    "\033[2;5~",    +1,    0,    0},
+	{ XK_KP_Insert,     XK_ANY_MOD,     "\033[4h",      -1,    0,    0},
+	{ XK_KP_Insert,     XK_ANY_MOD,     "\033[2~",      +1,    0,    0},
+	{ XK_KP_Delete,     ControlMask,    "\033[M",       -1,    0,    0},
+	{ XK_KP_Delete,     ControlMask,    "\033[3;5~",    +1,    0,    0},
+	{ XK_KP_Delete,     ShiftMask,      "\033[2K",      -1,    0,    0},
+	{ XK_KP_Delete,     ShiftMask,      "\033[3;2~",    +1,    0,    0},
+	{ XK_KP_Delete,     XK_ANY_MOD,     "\033[P",       -1,    0,    0},
+	{ XK_KP_Delete,     XK_ANY_MOD,     "\033[3~",      +1,    0,    0},
+	{ XK_KP_Multiply,   XK_ANY_MOD,     "\033Oj",       +2,    0,    0},
+	{ XK_KP_Add,        XK_ANY_MOD,     "\033Ok",       +2,    0,    0},
+	{ XK_KP_Enter,      XK_ANY_MOD,     "\033OM",       +2,    0,    0},
+	{ XK_KP_Enter,      XK_ANY_MOD,     "\r",           -1,    0,   -1},
+	{ XK_KP_Enter,      XK_ANY_MOD,     "\r\n",         -1,    0,   +1},
+	{ XK_KP_Subtract,   XK_ANY_MOD,     "\033Om",       +2,    0,    0},
+	{ XK_KP_Decimal,    XK_ANY_MOD,     "\033On",       +2,    0,    0},
+	{ XK_KP_Divide,     XK_ANY_MOD,     "\033Oo",       +2,    0,    0},
+	{ XK_KP_0,          XK_ANY_MOD,     "\033Op",       +2,    0,    0},
+	{ XK_KP_1,          XK_ANY_MOD,     "\033Oq",       +2,    0,    0},
+	{ XK_KP_2,          XK_ANY_MOD,     "\033Or",       +2,    0,    0},
+	{ XK_KP_3,          XK_ANY_MOD,     "\033Os",       +2,    0,    0},
+	{ XK_KP_4,          XK_ANY_MOD,     "\033Ot",       +2,    0,    0},
+	{ XK_KP_5,          XK_ANY_MOD,     "\033Ou",       +2,    0,    0},
+	{ XK_KP_6,          XK_ANY_MOD,     "\033Ov",       +2,    0,    0},
+	{ XK_KP_7,          XK_ANY_MOD,     "\033Ow",       +2,    0,    0},
+	{ XK_KP_8,          XK_ANY_MOD,     "\033Ox",       +2,    0,    0},
+	{ XK_KP_9,          XK_ANY_MOD,     "\033Oy",       +2,    0,    0},
+	{ XK_Up,            ShiftMask,      "\033[1;2A",     0,    0,    0},
+	{ XK_Up,            ControlMask,    "\033[1;5A",     0,    0,    0},
+	{ XK_Up,            Mod1Mask,       "\033[1;3A",     0,    0,    0},
+	{ XK_Up,            XK_ANY_MOD,     "\033[A",        0,   -1,    0},
+	{ XK_Up,            XK_ANY_MOD,     "\033OA",        0,   +1,    0},
+	{ XK_Down,          ShiftMask,      "\033[1;2B",     0,    0,    0},
+	{ XK_Down,          ControlMask,    "\033[1;5B",     0,    0,    0},
+	{ XK_Down,          Mod1Mask,       "\033[1;3B",     0,    0,    0},
+	{ XK_Down,          XK_ANY_MOD,     "\033[B",        0,   -1,    0},
+	{ XK_Down,          XK_ANY_MOD,     "\033OB",        0,   +1,    0},
+	{ XK_Left,          ShiftMask,      "\033[1;2D",     0,    0,    0},
+	{ XK_Left,          ControlMask,    "\033[1;5D",     0,    0,    0},
+	{ XK_Left,          Mod1Mask,       "\033[1;3D",     0,    0,    0},
+	{ XK_Left,          XK_ANY_MOD,     "\033[D",        0,   -1,    0},
+	{ XK_Left,          XK_ANY_MOD,     "\033OD",        0,   +1,    0},
+	{ XK_Right,         ShiftMask,      "\033[1;2C",     0,    0,    0},
+	{ XK_Right,         ControlMask,    "\033[1;5C",     0,    0,    0},
+	{ XK_Right,         Mod1Mask,       "\033[1;3C",     0,    0,    0},
+	{ XK_Right,         XK_ANY_MOD,     "\033[C",        0,   -1,    0},
+	{ XK_Right,         XK_ANY_MOD,     "\033OC",        0,   +1,    0},
+	{ XK_ISO_Left_Tab,  ShiftMask,      "\033[Z",        0,    0,    0},
+	{ XK_Return,        Mod1Mask,       "\033\r",        0,    0,   -1},
+	{ XK_Return,        Mod1Mask,       "\033\r\n",      0,    0,   +1},
+	{ XK_Return,        XK_ANY_MOD,     "\r",            0,    0,   -1},
+	{ XK_Return,        XK_ANY_MOD,     "\r\n",          0,    0,   +1},
+	{ XK_Insert,        ShiftMask,      "\033[4l",      -1,    0,    0},
+	{ XK_Insert,        ShiftMask,      "\033[2;2~",    +1,    0,    0},
+	{ XK_Insert,        ControlMask,    "\033[L",       -1,    0,    0},
+	{ XK_Insert,        ControlMask,    "\033[2;5~",    +1,    0,    0},
+	{ XK_Insert,        XK_ANY_MOD,     "\033[4h",      -1,    0,    0},
+	{ XK_Insert,        XK_ANY_MOD,     "\033[2~",      +1,    0,    0},
+	{ XK_Delete,        ControlMask,    "\033[M",       -1,    0,    0},
+	{ XK_Delete,        ControlMask,    "\033[3;5~",    +1,    0,    0},
+	{ XK_Delete,        ShiftMask,      "\033[2K",      -1,    0,    0},
+	{ XK_Delete,        ShiftMask,      "\033[3;2~",    +1,    0,    0},
+	{ XK_Delete,        XK_ANY_MOD,     "\033[P",       -1,    0,    0},
+	{ XK_Delete,        XK_ANY_MOD,     "\033[3~",      +1,    0,    0},
+	{ XK_BackSpace,     XK_NO_MOD,      "\177",          0,    0,    0},
+	{ XK_Home,          ShiftMask,      "\033[2J",       0,   -1,    0},
+	{ XK_Home,          ShiftMask,      "\033[1;2H",     0,   +1,    0},
+	{ XK_Home,          XK_ANY_MOD,     "\033[H",        0,   -1,    0},
+	{ XK_Home,          XK_ANY_MOD,     "\033[1~",       0,   +1,    0},
+	{ XK_End,           ControlMask,    "\033[J",       -1,    0,    0},
+	{ XK_End,           ControlMask,    "\033[1;5F",    +1,    0,    0},
+	{ XK_End,           ShiftMask,      "\033[K",       -1,    0,    0},
+	{ XK_End,           ShiftMask,      "\033[1;2F",    +1,    0,    0},
+	{ XK_End,           XK_ANY_MOD,     "\033[4~",       0,    0,    0},
+	{ XK_Prior,         ControlMask,    "\033[5;5~",     0,    0,    0},
+	{ XK_Prior,         ShiftMask,      "\033[5;2~",     0,    0,    0},
+	{ XK_Prior,         XK_ANY_MOD,     "\033[5~",       0,    0,    0},
+	{ XK_Next,          ControlMask,    "\033[6;5~",     0,    0,    0},
+	{ XK_Next,          ShiftMask,      "\033[6;2~",     0,    0,    0},
+	{ XK_Next,          XK_ANY_MOD,     "\033[6~",       0,    0,    0},
+	{ XK_F1,            XK_NO_MOD,      "\033OP" ,       0,    0,    0},
+	{ XK_F1, /* F13 */  ShiftMask,      "\033[1;2P",     0,    0,    0},
+	{ XK_F1, /* F25 */  ControlMask,    "\033[1;5P",     0,    0,    0},
+	{ XK_F1, /* F37 */  Mod4Mask,       "\033[1;6P",     0,    0,    0},
+	{ XK_F1, /* F49 */  Mod1Mask,       "\033[1;3P",     0,    0,    0},
+	{ XK_F1, /* F61 */  Mod3Mask,       "\033[1;4P",     0,    0,    0},
+	{ XK_F2,            XK_NO_MOD,      "\033OQ" ,       0,    0,    0},
+	{ XK_F2, /* F14 */  ShiftMask,      "\033[1;2Q",     0,    0,    0},
+	{ XK_F2, /* F26 */  ControlMask,    "\033[1;5Q",     0,    0,    0},
+	{ XK_F2, /* F38 */  Mod4Mask,       "\033[1;6Q",     0,    0,    0},
+	{ XK_F2, /* F50 */  Mod1Mask,       "\033[1;3Q",     0,    0,    0},
+	{ XK_F2, /* F62 */  Mod3Mask,       "\033[1;4Q",     0,    0,    0},
+	{ XK_F3,            XK_NO_MOD,      "\033OR" ,       0,    0,    0},
+	{ XK_F3, /* F15 */  ShiftMask,      "\033[1;2R",     0,    0,    0},
+	{ XK_F3, /* F27 */  ControlMask,    "\033[1;5R",     0,    0,    0},
+	{ XK_F3, /* F39 */  Mod4Mask,       "\033[1;6R",     0,    0,    0},
+	{ XK_F3, /* F51 */  Mod1Mask,       "\033[1;3R",     0,    0,    0},
+	{ XK_F3, /* F63 */  Mod3Mask,       "\033[1;4R",     0,    0,    0},
+	{ XK_F4,            XK_NO_MOD,      "\033OS" ,       0,    0,    0},
+	{ XK_F4, /* F16 */  ShiftMask,      "\033[1;2S",     0,    0,    0},
+	{ XK_F4, /* F28 */  ControlMask,    "\033[1;5S",     0,    0,    0},
+	{ XK_F4, /* F40 */  Mod4Mask,       "\033[1;6S",     0,    0,    0},
+	{ XK_F4, /* F52 */  Mod1Mask,       "\033[1;3S",     0,    0,    0},
+	{ XK_F5,            XK_NO_MOD,      "\033[15~",      0,    0,    0},
+	{ XK_F5, /* F17 */  ShiftMask,      "\033[15;2~",    0,    0,    0},
+	{ XK_F5, /* F29 */  ControlMask,    "\033[15;5~",    0,    0,    0},
+	{ XK_F5, /* F41 */  Mod4Mask,       "\033[15;6~",    0,    0,    0},
+	{ XK_F5, /* F53 */  Mod1Mask,       "\033[15;3~",    0,    0,    0},
+	{ XK_F6,            XK_NO_MOD,      "\033[17~",      0,    0,    0},
+	{ XK_F6, /* F18 */  ShiftMask,      "\033[17;2~",    0,    0,    0},
+	{ XK_F6, /* F30 */  ControlMask,    "\033[17;5~",    0,    0,    0},
+	{ XK_F6, /* F42 */  Mod4Mask,       "\033[17;6~",    0,    0,    0},
+	{ XK_F6, /* F54 */  Mod1Mask,       "\033[17;3~",    0,    0,    0},
+	{ XK_F7,            XK_NO_MOD,      "\033[18~",      0,    0,    0},
+	{ XK_F7, /* F19 */  ShiftMask,      "\033[18;2~",    0,    0,    0},
+	{ XK_F7, /* F31 */  ControlMask,    "\033[18;5~",    0,    0,    0},
+	{ XK_F7, /* F43 */  Mod4Mask,       "\033[18;6~",    0,    0,    0},
+	{ XK_F7, /* F55 */  Mod1Mask,       "\033[18;3~",    0,    0,    0},
+	{ XK_F8,            XK_NO_MOD,      "\033[19~",      0,    0,    0},
+	{ XK_F8, /* F20 */  ShiftMask,      "\033[19;2~",    0,    0,    0},
+	{ XK_F8, /* F32 */  ControlMask,    "\033[19;5~",    0,    0,    0},
+	{ XK_F8, /* F44 */  Mod4Mask,       "\033[19;6~",    0,    0,    0},
+	{ XK_F8, /* F56 */  Mod1Mask,       "\033[19;3~",    0,    0,    0},
+	{ XK_F9,            XK_NO_MOD,      "\033[20~",      0,    0,    0},
+	{ XK_F9, /* F21 */  ShiftMask,      "\033[20;2~",    0,    0,    0},
+	{ XK_F9, /* F33 */  ControlMask,    "\033[20;5~",    0,    0,    0},
+	{ XK_F9, /* F45 */  Mod4Mask,       "\033[20;6~",    0,    0,    0},
+	{ XK_F9, /* F57 */  Mod1Mask,       "\033[20;3~",    0,    0,    0},
+	{ XK_F10,           XK_NO_MOD,      "\033[21~",      0,    0,    0},
+	{ XK_F10, /* F22 */ ShiftMask,      "\033[21;2~",    0,    0,    0},
+	{ XK_F10, /* F34 */ ControlMask,    "\033[21;5~",    0,    0,    0},
+	{ XK_F10, /* F46 */ Mod4Mask,       "\033[21;6~",    0,    0,    0},
+	{ XK_F10, /* F58 */ Mod1Mask,       "\033[21;3~",    0,    0,    0},
+	{ XK_F11,           XK_NO_MOD,      "\033[23~",      0,    0,    0},
+	{ XK_F11, /* F23 */ ShiftMask,      "\033[23;2~",    0,    0,    0},
+	{ XK_F11, /* F35 */ ControlMask,    "\033[23;5~",    0,    0,    0},
+	{ XK_F11, /* F47 */ Mod4Mask,       "\033[23;6~",    0,    0,    0},
+	{ XK_F11, /* F59 */ Mod1Mask,       "\033[23;3~",    0,    0,    0},
+	{ XK_F12,           XK_NO_MOD,      "\033[24~",      0,    0,    0},
+	{ XK_F12, /* F24 */ ShiftMask,      "\033[24;2~",    0,    0,    0},
+	{ XK_F12, /* F36 */ ControlMask,    "\033[24;5~",    0,    0,    0},
+	{ XK_F12, /* F48 */ Mod4Mask,       "\033[24;6~",    0,    0,    0},
+	{ XK_F12, /* F60 */ Mod1Mask,       "\033[24;3~",    0,    0,    0},
+	{ XK_F13,           XK_NO_MOD,      "\033[1;2P",     0,    0,    0},
+	{ XK_F14,           XK_NO_MOD,      "\033[1;2Q",     0,    0,    0},
+	{ XK_F15,           XK_NO_MOD,      "\033[1;2R",     0,    0,    0},
+	{ XK_F16,           XK_NO_MOD,      "\033[1;2S",     0,    0,    0},
+	{ XK_F17,           XK_NO_MOD,      "\033[15;2~",    0,    0,    0},
+	{ XK_F18,           XK_NO_MOD,      "\033[17;2~",    0,    0,    0},
+	{ XK_F19,           XK_NO_MOD,      "\033[18;2~",    0,    0,    0},
+	{ XK_F20,           XK_NO_MOD,      "\033[19;2~",    0,    0,    0},
+	{ XK_F21,           XK_NO_MOD,      "\033[20;2~",    0,    0,    0},
+	{ XK_F22,           XK_NO_MOD,      "\033[21;2~",    0,    0,    0},
+	{ XK_F23,           XK_NO_MOD,      "\033[23;2~",    0,    0,    0},
+	{ XK_F24,           XK_NO_MOD,      "\033[24;2~",    0,    0,    0},
+	{ XK_F25,           XK_NO_MOD,      "\033[1;5P",     0,    0,    0},
+	{ XK_F26,           XK_NO_MOD,      "\033[1;5Q",     0,    0,    0},
+	{ XK_F27,           XK_NO_MOD,      "\033[1;5R",     0,    0,    0},
+	{ XK_F28,           XK_NO_MOD,      "\033[1;5S",     0,    0,    0},
+	{ XK_F29,           XK_NO_MOD,      "\033[15;5~",    0,    0,    0},
+	{ XK_F30,           XK_NO_MOD,      "\033[17;5~",    0,    0,    0},
+	{ XK_F31,           XK_NO_MOD,      "\033[18;5~",    0,    0,    0},
+	{ XK_F32,           XK_NO_MOD,      "\033[19;5~",    0,    0,    0},
+	{ XK_F33,           XK_NO_MOD,      "\033[20;5~",    0,    0,    0},
+	{ XK_F34,           XK_NO_MOD,      "\033[21;5~",    0,    0,    0},
+	{ XK_F35,           XK_NO_MOD,      "\033[23;5~",    0,    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,
+};
+
diff --git a/st.c b/st.c
index 427ec46..2f9fbdd 100644
--- a/st.c
+++ b/st.c
@@ -85,6 +85,8 @@ char *argv0;
 #define TRUERED(x)		(((x) & 0xff0000) >> 8)
 #define TRUEGREEN(x)		(((x) & 0xff00))
 #define TRUEBLUE(x)		(((x) & 0xff) << 8)
+#define TLINE(y)		((y) < term.scr ? term.hist[((y) + term.histi - term.scr \
+				+ histsize + 1) % histsize] : term.line[(y) - term.scr])
 
 
 enum glyph_attribute {
@@ -227,26 +229,6 @@ typedef struct {
 	int narg;              /* nb of args */
 } STREscape;
 
-/* Internal representation of the screen */
-typedef struct {
-	int row;      /* nb row */
-	int col;      /* nb col */
-	Line *line;   /* screen */
-	Line *alt;    /* alternate screen */
-	int *dirty;  /* dirtyness of lines */
-	XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */
-	TCursor c;    /* cursor */
-	int top;      /* top    scroll limit */
-	int bot;      /* bottom scroll limit */
-	int mode;     /* terminal mode flags */
-	int esc;      /* escape state flags */
-	char trantbl[4]; /* charset table translation */
-	int charset;  /* current charset */
-	int icharset; /* selected charset for sequence */
-	int numlock; /* lock numbers in keyboard */
-	int *tabs;
-} Term;
-
 /* Purely graphic info */
 typedef struct {
 	Display *dpy;
@@ -317,6 +299,13 @@ typedef union {
 } Arg;
 
 typedef struct {
+	uint b;
+	uint mask;
+	void (*func)(const Arg *);
+	const Arg arg;
+} MouseKey;
+
+typedef struct {
 	uint mod;
 	KeySym keysym;
 	void (*func)(const Arg *);
@@ -326,6 +315,8 @@ typedef struct {
 /* function definitions used in config.h */
 static void clipcopy(const Arg *);
 static void clippaste(const Arg *);
+static void kscrolldown(const Arg *);
+static void kscrollup(const Arg *);
 static void numlock(const Arg *);
 static void selpaste(const Arg *);
 static void xzoom(const Arg *);
@@ -359,6 +350,29 @@ typedef struct {
 	GC gc;
 } DC;
 
+/* Internal representation of the screen */
+typedef struct {
+	int row;      /* nb row */
+	int col;      /* nb col */
+	Line *line;   /* screen */
+	Line *alt;    /* alternate screen */
+	Line hist[histsize]; /* history buffer */
+	int histi;    /* history index */
+	int scr;      /* scroll back */
+	int *dirty;  /* dirtyness of lines */
+	XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */
+	TCursor c;    /* cursor */
+	int top;      /* top    scroll limit */
+	int bot;      /* bottom scroll limit */
+	int mode;     /* terminal mode flags */
+	int esc;      /* escape state flags */
+	char trantbl[4]; /* charset table translation */
+	int charset;  /* current charset */
+	int icharset; /* selected charset for sequence */
+	int numlock; /* lock numbers in keyboard */
+	int *tabs;
+} Term;
+
 static void die(const char *, ...);
 static void draw(void);
 static void redraw(void);
@@ -398,8 +412,8 @@ static void tputtab(int);
 static void tputc(Rune);
 static void treset(void);
 static void tresize(int, int);
-static void tscrollup(int, int);
-static void tscrolldown(int, int);
+static void tscrollup(int, int, int);
+static void tscrolldown(int, int, int);
 static void tsetattr(int *, int);
 static void tsetchar(Rune, Glyph *, int, int);
 static void tsetscroll(int, int);
@@ -730,10 +744,10 @@ tlinelen(int y)
 {
 	int i = term.col;
 
-	if (term.line[y][i - 1].mode & ATTR_WRAP)
+	if (TLINE(y)[i - 1].mode & ATTR_WRAP)
 		return i;
 
-	while (i > 0 && term.line[y][i - 1].u == ' ')
+	while (i > 0 && TLINE(y)[i - 1].u == ' ')
 		--i;
 
 	return i;
@@ -795,7 +809,7 @@ selsnap(int *x, int *y, int direction)
 		 * Snap around if the word wraps around at the end or
 		 * beginning of a line.
 		 */
-		prevgp = &term.line[*y][*x];
+		prevgp = &TLINE(*y)[*x];
 		prevdelim = ISDELIM(prevgp->u);
 		for (;;) {
 			newx = *x + direction;
@@ -810,14 +824,14 @@ selsnap(int *x, int *y, int direction)
 					yt = *y, xt = *x;
 				else
 					yt = newy, xt = newx;
-				if (!(term.line[yt][xt].mode & ATTR_WRAP))
+				if (!(TLINE(yt)[xt].mode & ATTR_WRAP))
 					break;
 			}
 
 			if (newx >= tlinelen(newy))
 				break;
 
-			gp = &term.line[newy][newx];
+			gp = &TLINE(newy)[newx];
 			delim = ISDELIM(gp->u);
 			if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
 					|| (delim && gp->u != prevgp->u)))
@@ -838,14 +852,14 @@ selsnap(int *x, int *y, int direction)
 		*x = (direction < 0) ? 0 : term.col - 1;
 		if (direction < 0) {
 			for (; *y > 0; *y += direction) {
-				if (!(term.line[*y-1][term.col-1].mode
+				if (!(TLINE(*y-1)[term.col-1].mode
 						& ATTR_WRAP)) {
 					break;
 				}
 			}
 		} else if (direction > 0) {
 			for (; *y < term.row-1; *y += direction) {
-				if (!(term.line[*y][term.col-1].mode
+				if (!(TLINE(*y)[term.col-1].mode
 						& ATTR_WRAP)) {
 					break;
 				}
@@ -945,6 +959,7 @@ bpress(XEvent *e)
 {
 	struct timespec now;
 	MouseShortcut *ms;
+	MouseKey *mk;
 
 	if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
 		mousereport(e);
@@ -959,6 +974,14 @@ bpress(XEvent *e)
 		}
 	}
 
+	for (mk = mkeys; mk < mkeys + LEN(mkeys); mk++) {
+		if (e->xbutton.button == mk->b
+				&& match(mk->mask, e->xbutton.state)) {
+			mk->func(&mk->arg);
+			return;
+		}
+	}
+
 	if (e->xbutton.button == Button1) {
 		clock_gettime(CLOCK_MONOTONIC, &now);
 
@@ -1011,13 +1034,13 @@ getsel(void)
 		}
 
 		if (sel.type == SEL_RECTANGULAR) {
-			gp = &term.line[y][sel.nb.x];
+			gp = &TLINE(y)[sel.nb.x];
 			lastx = sel.ne.x;
 		} else {
-			gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
+			gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
 			lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
 		}
-		last = &term.line[y][MIN(lastx, linelen-1)];
+		last = &TLINE(y)[MIN(lastx, linelen-1)];
 		while (last >= gp && last->u == ' ')
 			--last;
 
@@ -1490,6 +1513,9 @@ ttyread(void)
 	/* keep any uncomplete utf8 char for the next call */
 	memmove(buf, ptr, buflen);
 
+	if (term.scr > 0 && term.scr < histsize-1)
+		term.scr++;
+
 	return ret;
 }
 
@@ -1499,6 +1525,9 @@ ttywrite(const char *s, size_t n)
 	fd_set wfd, rfd;
 	ssize_t r;
 	size_t lim = 256;
+	Arg arg = (Arg){ .i = term.scr };
+
+	kscrolldown(&arg);
 
 	/*
 	 * Remember that we are using a pty, which might be a modem line.
@@ -1690,13 +1719,53 @@ tswapscreen(void)
 }
 
 void
-tscrolldown(int orig, int n)
+kscrolldown(const Arg* a)
+{
+	int n = a->i;
+
+	if (n < 0)
+		n = term.row + n;
+
+	if (n > term.scr)
+		n = term.scr;
+
+	if (term.scr > 0) {
+		term.scr -= n;
+		selscroll(0, -n);
+		tfulldirt();
+	}
+}
+
+void
+kscrollup(const Arg* a)
+{
+	int n = a->i;
+
+	if (n < 0)
+		n = term.row + n;
+
+	if (term.scr <= histsize - n) {
+		term.scr += n;
+		selscroll(0, n);
+		tfulldirt();
+	}
+}
+
+void
+tscrolldown(int orig, int n, int copyhist)
 {
 	int i;
 	Line temp;
 
 	LIMIT(n, 0, term.bot-orig+1);
 
+	if (copyhist) {
+		term.histi = (term.histi - 1 + histsize) % histsize;
+		temp = term.hist[term.histi];
+		term.hist[term.histi] = term.line[term.bot];
+		term.line[term.bot] = temp;
+	}
+
 	tsetdirt(orig, term.bot-n);
 	tclearregion(0, term.bot-n+1, term.col-1, term.bot);
 
@@ -1710,13 +1779,20 @@ tscrolldown(int orig, int n)
 }
 
 void
-tscrollup(int orig, int n)
+tscrollup(int orig, int n, int copyhist)
 {
 	int i;
 	Line temp;
 
 	LIMIT(n, 0, term.bot-orig+1);
 
+	if (copyhist) {
+		term.histi = (term.histi + 1) % histsize;
+		temp = term.hist[term.histi];
+		term.hist[term.histi] = term.line[orig];
+		term.line[orig] = temp;
+	}
+
 	tclearregion(0, orig, term.col-1, orig+n-1);
 	tsetdirt(orig+n, term.bot);
 
@@ -1765,7 +1841,7 @@ tnewline(int first_col)
 	int y = term.c.y;
 
 	if (y == term.bot) {
-		tscrollup(term.top, 1);
+		tscrollup(term.top, 1, 1);
 	} else {
 		y++;
 	}
@@ -1930,14 +2006,14 @@ void
 tinsertblankline(int n)
 {
 	if (BETWEEN(term.c.y, term.top, term.bot))
-		tscrolldown(term.c.y, n);
+		tscrolldown(term.c.y, n, 0);
 }
 
 void
 tdeleteline(int n)
 {
 	if (BETWEEN(term.c.y, term.top, term.bot))
-		tscrollup(term.c.y, n);
+		tscrollup(term.c.y, n, 0);
 }
 
 int32_t
@@ -2371,11 +2447,11 @@ csihandle(void)
 		break;
 	case 'S': /* SU -- Scroll <n> line up */
 		DEFAULT(csiescseq.arg[0], 1);
-		tscrollup(term.top, csiescseq.arg[0]);
+		tscrollup(term.top, csiescseq.arg[0], 0);
 		break;
 	case 'T': /* SD -- Scroll <n> line down */
 		DEFAULT(csiescseq.arg[0], 1);
-		tscrolldown(term.top, csiescseq.arg[0]);
+		tscrolldown(term.top, csiescseq.arg[0], 0);
 		break;
 	case 'L': /* IL -- Insert <n> blank lines */
 		DEFAULT(csiescseq.arg[0], 1);
@@ -2871,7 +2947,7 @@ eschandle(uchar ascii)
 		return 0;
 	case 'D': /* IND -- Linefeed */
 		if (term.c.y == term.bot) {
-			tscrollup(term.top, 1);
+			tscrollup(term.top, 1, 1);
 		} else {
 			tmoveto(term.c.x, term.c.y+1);
 		}
@@ -2884,7 +2960,7 @@ eschandle(uchar ascii)
 		break;
 	case 'M': /* RI -- Reverse index */
 		if (term.c.y == term.top) {
-			tscrolldown(term.top, 1);
+			tscrolldown(term.top, 1, 1);
 		} else {
 			tmoveto(term.c.x, term.c.y-1);
 		}
@@ -3047,7 +3123,7 @@ tputc(Rune u)
 void
 tresize(int col, int row)
 {
-	int i;
+	int i, j;
 	int minrow = MIN(row, term.row);
 	int mincol = MIN(col, term.col);
 	int *bp;
@@ -3087,6 +3163,14 @@ tresize(int col, int row)
 	term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
 	term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
 
+	for (i = 0; i < histsize; i++) {
+		term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph));
+		for (j = mincol; j < col; j++) {
+			term.hist[i][j] = term.c.attr;
+			term.hist[i][j].u = ' ';
+		}
+	}
+
 	/* resize each row to new width, zero-pad if needed */
 	for (i = 0; i < minrow; i++) {
 		term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
@@ -3726,7 +3810,7 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 
 	/* 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];
+		fg = &dc.col[base.fg];
 
 	if (IS_SET(MODE_REVERSE)) {
 		if (fg == &dc.col[defaultfg]) {
@@ -3755,9 +3839,14 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 	}
 
 	if (base.mode & ATTR_REVERSE) {
-		temp = fg;
-		fg = bg;
-		bg = temp;
+		if (bg == fg) {
+			bg = &dc.col[defaultfg];
+			fg = &dc.col[defaultbg];
+		} else {
+			temp = fg;
+			fg = bg;
+			bg = temp;
+		}
 	}
 
 	if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
@@ -3984,11 +4073,11 @@ drawregion(int x1, int y1, int x2, int y2)
 		term.dirty[y] = 0;
 
 		specs = term.specbuf;
-		numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
+		numspecs = xmakeglyphfontspecs(specs, &TLINE(y)[x1], x2 - x1, x1, y);
 
 		i = ox = 0;
 		for (x = x1; x < x2 && i < numspecs; x++) {
-			new = term.line[y][x];
+			new = TLINE(y)[x];
 			if (new.mode == ATTR_WDUMMY)
 				continue;
 			if (ena_sel && selected(x, y))
@@ -4008,7 +4097,8 @@ drawregion(int x1, int y1, int x2, int y2)
 		if (i > 0)
 			xdrawglyphfontspecs(specs, base, i, ox, y);
 	}
-	xdrawcursor();
+	if (term.scr == 0)
+		xdrawcursor();
 }
 
 void