Applied patches (in listed order):
st-scrollback-0.8.5.diff
st-externalpipe-0.8.5.diff
st-externalpipe-eternal-0.8.3.diff
st-anysize-20220718-baa9357.diff
---
diff '--color=auto' -Nu a/config.def.h b/config.def.h
--- a/config.def.h 2024-12-18 21:06:29.591000711 -0600
+++ b/config.def.h 2024-12-18 20:53:14.657670906 -0600
@@ -176,6 +176,8 @@
*/
static MouseShortcut mshortcuts[] = {
/* mask button function argument release */
+ { ShiftMask, Button4, kscrollup, {.i = 1} },
+ { ShiftMask, Button5, kscrolldown, {.i = 1} },
{ XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 },
{ ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} },
{ XK_ANY_MOD, Button4, ttysend, {.s = "\031"} },
@@ -201,6 +203,8 @@
{ TERMMOD, XK_Y, selpaste, {.i = 0} },
{ ShiftMask, XK_Insert, selpaste, {.i = 0} },
{ TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
+ { ShiftMask, XK_Page_Up, kscrollup, {.i = -1} },
+ { ShiftMask, XK_Page_Down, kscrolldown, {.i = -1} },
};
/*
diff '--color=auto' -Nu a/config.h b/config.h
--- a/config.h 1969-12-31 18:00:00.000000000 -0600
+++ b/config.h 2024-12-18 21:01:53.537668950 -0600
@@ -0,0 +1,480 @@
+/* See LICENSE file for copyright and license details. */
+
+/*
+ * appearance
+ *
+ * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
+ */
+static char *font = "JetBrainsMono:size=10";
+static int borderpx = 4;
+
+/*
+ * 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/sh";
+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] = "#414b50", /* black */
+ [1] = "#e67e80", /* red */
+ [2] = "#a7c080", /* green */
+ [3] = "#dbbc7f", /* yellow */
+ [4] = "#7fbbb3", /* blue */
+ [5] = "#d699b6", /* magenta */
+ [6] = "#83c092", /* cyan */
+ [7] = "#d3c6aa", /* white */
+
+ /* 8 bright colors */
+ [8] = "#475258", /* black */
+ [9] = "#e67e80", /* red */
+ [10] = "#a7c080", /* green */
+ [11] = "#dbbc7f", /* yellow */
+ [12] = "#7fbbb3", /* blue */
+ [13] = "#d699b6", /* magenta */
+ [14] = "#83c092", /* cyan */
+ [15] = "#d3c6aa", /* white */
+
+ /* special colors */
+ [256] = "#272e33", /* background */
+ [257] = "#d3c6aa", /* foreground */
+
+ /* 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 = 257;
+unsigned int defaultbg = 256;
+unsigned int defaultcs = 257;
+static unsigned int defaultrcs = 257;
+
+/*
+ * Default shape of cursor
+ * 2: Block ("█")
+ * 4: Underline ("_")
+ * 6: Bar ("|")
+ * 7: Snowman ("☃")
+ */
+static unsigned int cursorshape = 2;
+
+/*
+ * 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 */
+ { ShiftMask, Button4, kscrollup, {.i = 1} },
+ { ShiftMask, Button5, kscrolldown, {.i = 1} },
+ { XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 },
+ { ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} },
+ { XK_ANY_MOD, Button4, ttysend, {.s = "\031"} },
+ { ShiftMask, Button5, ttysend, {.s = "\033[6;2~"} },
+ { XK_ANY_MOD, Button5, ttysend, {.s = "\005"} },
+};
+
+/* Internal keyboard shortcuts. */
+#define MODKEY Mod1Mask
+#define TERMMOD (ControlMask|ShiftMask)
+
+static Shortcut shortcuts[] = {
+ /* mask keysym function argument */
+ { XK_ANY_MOD, XK_Break, sendbreak, {.i = 0} },
+ { ControlMask, XK_Print, toggleprinter, {.i = 0} },
+ { ShiftMask, XK_Print, printscreen, {.i = 0} },
+ { XK_ANY_MOD, XK_Print, printsel, {.i = 0} },
+ { TERMMOD, XK_L, zoom, {.f = +1} },
+ { TERMMOD, XK_H, 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} },
+ { TERMMOD, XK_K, kscrollup, {.i = 1} },
+ { TERMMOD, XK_J, 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
+ *
+ * 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{|}~";
Common subdirectories: a/.git and b/.git
diff '--color=auto' -Nu a/st.c b/st.c
--- a/st.c 2024-12-18 21:06:29.591000711 -0600
+++ b/st.c 2024-12-18 20:53:14.661004242 -0600
@@ -35,6 +35,8 @@
#define ESC_ARG_SIZ 16
#define STR_BUF_SIZ ESC_BUF_SIZ
#define STR_ARG_SIZ ESC_ARG_SIZ
+#define HISTSIZE 2000
+#define RESIZEBUFFER 1000
/* macros */
#define IS_SET(flag) ((term.mode & (flag)) != 0)
@@ -42,6 +44,26 @@
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
#define ISDELIM(u) (u && wcschr(worddelimiters, u))
+#define TLINE(y) ( \
+ (y) < term.scr ? term.hist[(term.histi + (y) - term.scr + 1 + HISTSIZE) % HISTSIZE] \
+ : term.line[(y) - term.scr] \
+)
+
+#define TLINE_HIST(y) ( \
+ (y) <= HISTSIZE-term.row+2 ? term.hist[(y)] \
+ : term.line[(y-HISTSIZE+term.row-3)] \
+)
+
+#define TLINEABS(y) ( \
+ (y) < 0 ? term.hist[(term.histi + (y) + 1 + HISTSIZE) % HISTSIZE] : term.line[(y)] \
+)
+
+#define UPDATEWRAPNEXT(alt, col) do { \
+ if ((term.c.state & CURSOR_WRAPNEXT) && term.c.x + term.wrapcwidth[alt] < col) { \
+ term.c.x += term.wrapcwidth[alt]; \
+ term.c.state &= ~CURSOR_WRAPNEXT; \
+ } \
+} while (0);
enum term_mode {
MODE_WRAP = 1 << 0,
@@ -53,6 +75,12 @@
MODE_UTF8 = 1 << 6,
};
+enum scroll_mode {
+ SCROLL_RESIZE = -1,
+ SCROLL_NOSAVEHIST = 0,
+ SCROLL_SAVEHIST = 1
+};
+
enum cursor_movement {
CURSOR_SAVE,
CURSOR_LOAD
@@ -114,7 +142,11 @@
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 histf; /* nb history available */
+ int scr; /* scroll back */
+ int wrapcwidth[2]; /* used in updating WRAPNEXT when resizing */
int *dirty; /* dirtyness of lines */
TCursor c; /* cursor */
int ocx; /* old cursor col */
@@ -172,26 +204,37 @@
static void tdumpsel(void);
static void tdumpline(int);
static void tdump(void);
-static void tclearregion(int, int, int, int);
+static void tclearregion(int, int, int, int, int);
static void tcursor(int);
+static void tclearglyph(Glyph *, int);
+static void tresetcursor(void);
static void tdeletechar(int);
static void tdeleteline(int);
static void tinsertblank(int);
static void tinsertblankline(int);
-static int tlinelen(int);
+static int tlinelen(Line len);
+static int tiswrapped(Line line);
+static char *tgetglyphs(char *, const Glyph *, const Glyph *);
+static size_t tgetline(char *, const Glyph *);
static void tmoveto(int, int);
static void tmoveato(int, int);
static void tnewline(int);
static void tputtab(int);
static void tputc(Rune);
static void treset(void);
-static void tscrollup(int, int);
+static void tscrollup(int, int, int, int);
static void tscrolldown(int, int);
+static void treflow(int, int);
+static void rscrolldown(int);
+static void tresizedef(int, int);
+static void tresizealt(int, int);
static void tsetattr(const int *, int);
static void tsetchar(Rune, const Glyph *, int, int);
static void tsetdirt(int, int);
static void tsetscroll(int, int);
static void tswapscreen(void);
+static void tloaddefscreen(int, int);
+static void tloadaltscreen(int, int);
static void tsetmode(int, int, const int *, int);
static int twrite(const char *, int, int);
static void tfulldirt(void);
@@ -205,7 +248,10 @@
static void drawregion(int, int, int, int);
static void selnormalize(void);
-static void selscroll(int, int);
+static void selscroll(int, int, int);
+static void selmove(int);
+static void selremove(void);
+static int regionselected(int, int, int, int);
static void selsnap(int *, int *, int);
static size_t utf8decode(const char *, Rune *, size_t);
@@ -405,14 +451,57 @@
}
int
-tlinelen(int y)
+tlinelen(Line line)
+{
+ int i = term.col - 1;
+
+ for (; i >= 0 && !(line[i].mode & (ATTR_SET | ATTR_WRAP)); i--);
+ return i + 1;
+}
+
+int
+tiswrapped(Line line)
+{
+ int len = tlinelen(line);
+
+ return len > 0 && (line[len - 1].mode & ATTR_WRAP);
+}
+
+char *
+tgetglyphs(char *buf, const Glyph *gp, const Glyph *lgp)
+{
+ while (gp <= lgp)
+ if (gp->mode & ATTR_WDUMMY) {
+ gp++;
+ } else {
+ buf += utf8encode((gp++)->u, buf);
+ }
+ return buf;
+}
+
+size_t
+tgetline(char *buf, const Glyph *fgp)
+{
+ char *ptr;
+ const Glyph *lgp = &fgp[term.col - 1];
+
+ while (lgp > fgp && !(lgp->mode & (ATTR_SET | ATTR_WRAP)))
+ lgp--;
+ ptr = tgetglyphs(buf, fgp, lgp);
+ if (!(lgp->mode & ATTR_WRAP))
+ *(ptr++) = '\n';
+ return ptr - buf;
+}
+
+int
+tlinehistlen(int y)
{
int i = term.col;
- if (term.line[y][i - 1].mode & ATTR_WRAP)
+ if (TLINE_HIST(y)[i - 1].mode & ATTR_WRAP)
return i;
- while (i > 0 && term.line[y][i - 1].u == ' ')
+ while (i > 0 && TLINE_HIST(y)[i - 1].u == ' ')
--i;
return i;
@@ -455,10 +544,11 @@
sel.oe.x = col;
sel.oe.y = row;
- selnormalize();
sel.type = type;
+ selnormalize();
- if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type || sel.mode == SEL_EMPTY)
+ if (oldey != sel.oe.y || oldex != sel.oe.x ||
+ oldtype != sel.type || sel.mode == SEL_EMPTY)
tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
sel.mode = done ? SEL_IDLE : SEL_READY;
@@ -467,61 +557,69 @@
void
selnormalize(void)
{
- int i;
+ int i;
- if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
- sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
- sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
- } else {
- sel.nb.x = MIN(sel.ob.x, sel.oe.x);
- sel.ne.x = MAX(sel.ob.x, sel.oe.x);
- }
- sel.nb.y = MIN(sel.ob.y, sel.oe.y);
- sel.ne.y = MAX(sel.ob.y, sel.oe.y);
+ if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
+ sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
+ sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
+ } else {
+ sel.nb.x = MIN(sel.ob.x, sel.oe.x);
+ sel.ne.x = MAX(sel.ob.x, sel.oe.x);
+ }
+ sel.nb.y = MIN(sel.ob.y, sel.oe.y);
+ sel.ne.y = MAX(sel.ob.y, sel.oe.y);
- selsnap(&sel.nb.x, &sel.nb.y, -1);
- selsnap(&sel.ne.x, &sel.ne.y, +1);
+ selsnap(&sel.nb.x, &sel.nb.y, -1);
+ selsnap(&sel.ne.x, &sel.ne.y, +1);
- /* expand selection over line breaks */
- if (sel.type == SEL_RECTANGULAR)
- return;
- i = tlinelen(sel.nb.y);
- if (i < sel.nb.x)
- sel.nb.x = i;
- if (tlinelen(sel.ne.y) <= sel.ne.x)
- sel.ne.x = term.col - 1;
+ /* expand selection over line breaks */
+ if (sel.type == SEL_RECTANGULAR)
+ return;
+
+ i = tlinelen(TLINE(sel.nb.y));
+ if (sel.nb.x > i)
+ sel.nb.x = i;
+ if (sel.ne.x >= tlinelen(TLINE(sel.ne.y)))
+ sel.ne.x = term.col - 1;
}
-int
-selected(int x, int y)
+ int
+regionselected(int x1, int y1, int x2, int y2)
{
- if (sel.mode == SEL_EMPTY || sel.ob.x == -1 ||
- sel.alt != IS_SET(MODE_ALTSCREEN))
- return 0;
+ if (sel.ob.x == -1 || sel.mode == SEL_EMPTY ||
+ sel.alt != IS_SET(MODE_ALTSCREEN) || sel.nb.y > y2 || sel.ne.y < y1)
+ return 0;
- if (sel.type == SEL_RECTANGULAR)
- return BETWEEN(y, sel.nb.y, sel.ne.y)
- && BETWEEN(x, sel.nb.x, sel.ne.x);
-
- return BETWEEN(y, sel.nb.y, sel.ne.y)
- && (y != sel.nb.y || x >= sel.nb.x)
- && (y != sel.ne.y || x <= sel.ne.x);
+ return (sel.type == SEL_RECTANGULAR) ? sel.nb.x <= x2 && sel.ne.x >= x1
+ : (sel.nb.y != y2 || sel.nb.x <= x2) &&
+ (sel.ne.y != y1 || sel.ne.x >= x1);
}
+ int
+selected(int x, int y)
+{
+ return regionselected(x, y, x, y);
+}
+
+
void
selsnap(int *x, int *y, int direction)
{
int newx, newy, xt, yt;
+ int rtop = 0, rbot = term.row - 1;
int delim, prevdelim;
const Glyph *gp, *prevgp;
+ if (!IS_SET(MODE_ALTSCREEN))
+ rtop += -term.histf + term.scr, rbot += term.scr;
+
switch (sel.snap) {
case SNAP_WORD:
/*
* 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;
@@ -529,24 +627,24 @@
if (!BETWEEN(newx, 0, term.col - 1)) {
newy += direction;
newx = (newx + term.col) % term.col;
- if (!BETWEEN(newy, 0, term.row - 1))
+ if (!BETWEEN(newy, rtop, rbot))
break;
if (direction > 0)
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))
+ if (newx >= tlinelen(TLINE(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)))
+ if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim ||
+ (delim && !(gp->u == ' ' && prevgp->u == ' '))))
break;
*x = newx;
@@ -561,20 +659,16 @@
* has set ATTR_WRAP at its end. Then the whole next or
* previous line will be selected.
*/
- *x = (direction < 0) ? 0 : term.col - 1;
- if (direction < 0) {
- for (; *y > 0; *y += direction) {
- if (!(term.line[*y-1][term.col-1].mode
- & ATTR_WRAP)) {
- break;
- }
+ *x = (direction < 0) ? 0 : term.col - 1;
+ if (direction < 0) {
+ for (; *y > rtop; *y -= 1) {
+ if (!tiswrapped(TLINE(*y-1)))
+ break;
}
} else if (direction > 0) {
- for (; *y < term.row-1; *y += direction) {
- if (!(term.line[*y][term.col-1].mode
- & ATTR_WRAP)) {
+ for (; *y < rbot; *y += 1) {
+ if (!tiswrapped(TLINE(*y)))
break;
- }
}
}
break;
@@ -585,39 +679,34 @@
getsel(void)
{
char *str, *ptr;
- int y, bufsize, lastx, linelen;
- const Glyph *gp, *last;
+ int y, lastx, linelen;
+ const Glyph *gp, *lgp;
- if (sel.ob.x == -1)
+ if (sel.ob.x == -1 || sel.alt != IS_SET(MODE_ALTSCREEN))
return NULL;
- bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
- ptr = str = xmalloc(bufsize);
+ str = xmalloc((term.col + 1) * (sel.ne.y - sel.nb.y + 1) * UTF_SIZ);
+ ptr = str;
/* append every set & selected glyph to the selection */
for (y = sel.nb.y; y <= sel.ne.y; y++) {
- if ((linelen = tlinelen(y)) == 0) {
+ Line line = TLINE(y);
+
+ if ((linelen = tlinelen(line)) == 0) {
*ptr++ = '\n';
continue;
}
if (sel.type == SEL_RECTANGULAR) {
- gp = &term.line[y][sel.nb.x];
+ gp = &line[sel.nb.x];
lastx = sel.ne.x;
} else {
- gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
+ gp = &line[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)];
- while (last >= gp && last->u == ' ')
- --last;
+ lgp = &line[MIN(lastx, linelen-1)];
- for ( ; gp <= last; ++gp) {
- if (gp->mode & ATTR_WDUMMY)
- continue;
-
- ptr += utf8encode(gp->u, ptr);
- }
+ ptr = tgetglyphs(ptr, gp, lgp);
/*
* Copy and pasting of line endings is inconsistent
@@ -629,10 +718,10 @@
* FIXME: Fix the computer world.
*/
if ((y < sel.ne.y || lastx >= linelen) &&
- (!(last->mode & ATTR_WRAP) || sel.type == SEL_RECTANGULAR))
+ (!(lgp->mode & ATTR_WRAP) || sel.type == SEL_RECTANGULAR))
*ptr++ = '\n';
}
- *ptr = 0;
+ *ptr = '\0';
return str;
}
@@ -641,9 +730,15 @@
{
if (sel.ob.x == -1)
return;
+ selremove();
+ tsetdirt(sel.nb.y, sel.ne.y);
+}
+
+void
+selremove(void)
+{
sel.mode = SEL_IDLE;
sel.ob.x = -1;
- tsetdirt(sel.nb.y, sel.ne.y);
}
void
@@ -718,8 +813,14 @@
if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
- if (pid != p)
+ if (pid != p) {
+ if (p == 0 && wait(&stat) < 0)
+ die("wait: %s\n", strerror(errno));
+
+ /* reinstall sigchld handler */
+ signal(SIGCHLD, sigchld);
return;
+ }
if (WIFEXITED(stat) && WEXITSTATUS(stat))
die("child exited with status %d\n", WEXITSTATUS(stat));
@@ -803,7 +904,7 @@
break;
default:
#ifdef __OpenBSD__
- if (pledge("stdio rpath tty proc", NULL) == -1)
+ if (pledge("stdio rpath tty proc exec", NULL) == -1)
die("pledge\n");
#endif
close(s);
@@ -845,6 +946,8 @@
{
const char *next;
+ kscrolldown(&((Arg){ .i = term.scr }));
+
if (may_echo && IS_SET(MODE_ECHO))
twrite(s, n, 1);
@@ -980,7 +1083,7 @@
for (i = 0; i < term.row-1; i++) {
for (j = 0; j < term.col-1; j++) {
if (term.line[i][j].mode & attr) {
- tsetdirt(i, i);
+ term.dirty[i] = 1;
break;
}
}
@@ -990,7 +1093,8 @@
void
tfulldirt(void)
{
- tsetdirt(0, term.row-1);
+ for (int i = 0; i < term.row; i++)
+ term.dirty[i] = 1;
}
void
@@ -1008,109 +1112,260 @@
}
void
+tresetcursor(void)
+{
+ term.c = (TCursor){ { .mode = ATTR_NULL, .fg = defaultfg, .bg = defaultbg },
+ .x = 0, .y = 0, .state = CURSOR_DEFAULT };
+}
+
+void
treset(void)
{
uint i;
+ int x, y;
- term.c = (TCursor){{
- .mode = ATTR_NULL,
- .fg = defaultfg,
- .bg = defaultbg
- }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
+ tresetcursor();
memset(term.tabs, 0, term.col * sizeof(*term.tabs));
for (i = tabspaces; i < term.col; i += tabspaces)
term.tabs[i] = 1;
term.top = 0;
+ term.histf = 0;
+ term.scr = 0;
term.bot = term.row - 1;
term.mode = MODE_WRAP|MODE_UTF8;
memset(term.trantbl, CS_USA, sizeof(term.trantbl));
term.charset = 0;
+ selremove();
for (i = 0; i < 2; i++) {
- tmoveto(0, 0);
- tcursor(CURSOR_SAVE);
- tclearregion(0, 0, term.col-1, term.row-1);
- tswapscreen();
+ tcursor(CURSOR_SAVE); /* reset saved cursor */
+ for (y = 0; y < term.row; y++)
+ for (x = 0; x < term.col; x++)
+ tclearglyph(&term.line[y][x], 0);
+ tswapscreen();
}
+ tfulldirt();
}
void
tnew(int col, int row)
{
- term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
- tresize(col, row);
- treset();
+ int i, j;
+
+ for (i = 0; i < 2; i++) {
+ term.line = xmalloc(row * sizeof(Line));
+ for (j = 0; j < row; j++)
+ term.line[j] = xmalloc(col * sizeof(Glyph));
+ term.col = col, term.row = row;
+ tswapscreen();
+ }
+ term.dirty = xmalloc(row * sizeof(*term.dirty));
+ term.tabs = xmalloc(col * sizeof(*term.tabs));
+ for (i = 0; i < HISTSIZE; i++)
+ term.hist[i] = xmalloc(col * sizeof(Glyph));
+ treset();
}
+/* handle it with care */
void
tswapscreen(void)
{
- Line *tmp = term.line;
-
- term.line = term.alt;
- term.alt = tmp;
+ static Line *altline;
+ static int altcol, altrow;
+ Line *tmpline = term.line;
+ int tmpcol = term.col, tmprow = term.row;
+
+ term.line = altline;
+ term.col = altcol, term.row = altrow;
+ altline = tmpline;
+ altcol = tmpcol, altrow = tmprow;
term.mode ^= MODE_ALTSCREEN;
- tfulldirt();
}
void
-tscrolldown(int orig, int n)
+tloaddefscreen(int clear, int loadcursor)
{
- int i;
- Line temp;
+ int col, row, alt = IS_SET(MODE_ALTSCREEN);
- LIMIT(n, 0, term.bot-orig+1);
+ if (alt) {
+ if (clear)
+ tclearregion(0, 0, term.col-1, term.row-1, 1);
+ col = term.col, row = term.row;
+ tswapscreen();
+ }
+ if (loadcursor)
+ tcursor(CURSOR_LOAD);
+ if (alt)
+ tresizedef(col, row);
+}
- tsetdirt(orig, term.bot-n);
- tclearregion(0, term.bot-n+1, term.col-1, term.bot);
+void
+tloadaltscreen(int clear, int savecursor)
+{
+ int col, row, def = !IS_SET(MODE_ALTSCREEN);
- for (i = term.bot; i >= orig+n; i--) {
- temp = term.line[i];
- term.line[i] = term.line[i-n];
- term.line[i-n] = temp;
+ if (savecursor)
+ tcursor(CURSOR_SAVE);
+ if (def) {
+ col = term.col, row = term.row;
+ tswapscreen();
+ term.scr = 0;
+ tresizealt(col, row);
}
+ if (clear)
+ tclearregion(0, 0, term.col-1, term.row-1, 1);
+}
+
+int
+tisaltscreen(void)
+{
+ return IS_SET(MODE_ALTSCREEN);
+}
+
+
+void
+kscrolldown(const Arg* a)
+{
+ int n = a->i;
+
+ if (!term.scr || IS_SET(MODE_ALTSCREEN))
+ return;
- selscroll(orig, n);
+ if (n < 0)
+ n = MAX(term.row / -n, 1);
+
+ if (n <= term.scr) {
+ term.scr -= n;
+ } else {
+ n = term.scr;
+ term.scr = 0;
+ }
+ if (sel.ob.x != -1 && !sel.alt)
+ selmove(-n); /* negate change in term.scr */
+ tfulldirt();
}
+
+
void
-tscrollup(int orig, int n)
+kscrollup(const Arg* a)
{
- int i;
- Line temp;
+ int n = a->i;
- LIMIT(n, 0, term.bot-orig+1);
+ if (!term.histf || IS_SET(MODE_ALTSCREEN))
+ return;
- tclearregion(0, orig, term.col-1, orig+n-1);
- tsetdirt(orig+n, term.bot);
+ if (n < 0)
+ n = MAX(term.row / -n, 1);
- for (i = orig; i <= term.bot-n; i++) {
- temp = term.line[i];
- term.line[i] = term.line[i+n];
- term.line[i+n] = temp;
- }
+ if (term.scr + n <= term.histf) {
+ term.scr += n;
+ } else {
+ n = term.histf - term.scr;
+ term.scr = term.histf;
+ }
+
+ if (sel.ob.x != -1 && !sel.alt)
+ selmove(n); /* negate change in term.scr */
+ tfulldirt();
- selscroll(orig, -n);
}
void
-selscroll(int orig, int n)
+tscrolldown(int top, int n)
{
- if (sel.ob.x == -1 || sel.alt != IS_SET(MODE_ALTSCREEN))
- return;
+ int i, bot = term.bot;
+ Line temp;
- if (BETWEEN(sel.nb.y, orig, term.bot) != BETWEEN(sel.ne.y, orig, term.bot)) {
- selclear();
- } else if (BETWEEN(sel.nb.y, orig, term.bot)) {
- sel.ob.y += n;
- sel.oe.y += n;
- if (sel.ob.y < term.top || sel.ob.y > term.bot ||
- sel.oe.y < term.top || sel.oe.y > term.bot) {
- selclear();
- } else {
- selnormalize();
- }
+ if (n <= 0)
+ return;
+ n = MIN(n, bot-top+1);
+
+ tsetdirt(top, bot-n);
+ tclearregion(0, bot-n+1, term.col-1, bot, 1);
+
+ for (i = bot; i >= top+n; i--) {
+ temp = term.line[i];
+ term.line[i] = term.line[i-n];
+ term.line[i-n] = temp;
+ }
+
+ if (sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN))
+ selscroll(top, bot, n);
+}
+
+void
+tscrollup(int top, int bot, int n, int mode)
+{
+ int i, j, s;
+ int alt = IS_SET(MODE_ALTSCREEN);
+ int savehist = !alt && top == 0 && mode != SCROLL_NOSAVEHIST;
+ Line temp;
+
+ if (n <= 0)
+ return;
+ n = MIN(n, bot-top+1);
+
+ if (savehist) {
+ for (i = 0; i < n; i++) {
+ term.histi = (term.histi + 1) % HISTSIZE;
+ temp = term.hist[term.histi];
+ for (j = 0; j < term.col; j++)
+ tclearglyph(&temp[j], 1);
+ term.hist[term.histi] = term.line[i];
+ term.line[i] = temp;
+ }
+ term.histf = MIN(term.histf + n, HISTSIZE);
+ s = n;
+ if (term.scr) {
+ j = term.scr;
+ term.scr = MIN(j + n, HISTSIZE);
+ s = j + n - term.scr;
+ }
+ if (mode != SCROLL_RESIZE)
+ tfulldirt();
+ } else {
+ tclearregion(0, top, term.col-1, top+n-1, 1);
+ tsetdirt(top+n, bot);
+ }
+
+ for (i = top; i <= bot-n; i++) {
+ temp = term.line[i];
+ term.line[i] = term.line[i+n];
+ term.line[i+n] = temp;
+ }
+
+ if (sel.ob.x != -1 && sel.alt == alt) {
+ if (!savehist) {
+ selscroll(top, bot, -n);
+ } else if (s > 0) {
+ selmove(-s);
+ if (-term.scr + sel.nb.y < -term.histf)
+ selremove();
+ }
+ }
+}
+
+void
+selmove(int n)
+ {
+ sel.ob.y += n, sel.nb.y += n;
+ sel.oe.y += n, sel.ne.y += n;
+}
+
+void
+selscroll(int top, int bot, int n)
+{
+ /* turn absolute coordinates into relative */
+ top += term.scr, bot += term.scr;
+
+ if (BETWEEN(sel.nb.y, top, bot) != BETWEEN(sel.ne.y, top, bot)) {
+ selclear();
+ } else if (BETWEEN(sel.nb.y, top, bot)) {
+ selmove(n);
+ if (sel.nb.y < top || sel.ne.y > bot)
+ selclear();
}
}
@@ -1120,7 +1375,7 @@
int y = term.c.y;
if (y == term.bot) {
- tscrollup(term.top, 1);
+ tscrollup(term.top, term.bot, 1, SCROLL_SAVEHIST);
} else {
y++;
}
@@ -1187,101 +1442,112 @@
void
tsetchar(Rune u, const Glyph *attr, int x, int y)
{
- static const char *vt100_0[62] = { /* 0x41 - 0x7e */
- "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
- 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
- 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
- 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
- "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
- "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
- "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
- "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
- };
+ static const char *vt100_0[62] = { /* 0x41 - 0x7e */
+ "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
+ 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
+ 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
+ "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
+ "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
+ "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
+ "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
+ };
+
+ /*
+ * The table is proudly stolen from rxvt.
+ */
+ if (term.trantbl[term.charset] == CS_GRAPHIC0 &&
+ BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
+ utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
+
+ if (term.line[y][x].mode & ATTR_WIDE) {
+ if (x+1 < term.col) {
+ term.line[y][x+1].u = ' ';
+ term.line[y][x+1].mode &= ~ATTR_WDUMMY;
+ }
+ } else if (term.line[y][x].mode & ATTR_WDUMMY) {
+ term.line[y][x-1].u = ' ';
+ term.line[y][x-1].mode &= ~ATTR_WIDE;
+ }
+
+ term.dirty[y] = 1;
+ term.line[y][x] = *attr;
+ term.line[y][x].u = u;
+ term.line[y][x].mode |= ATTR_SET;
+}
- /*
- * The table is proudly stolen from rxvt.
- */
- if (term.trantbl[term.charset] == CS_GRAPHIC0 &&
- BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
- utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
- if (term.line[y][x].mode & ATTR_WIDE) {
- if (x+1 < term.col) {
- term.line[y][x+1].u = ' ';
- term.line[y][x+1].mode &= ~ATTR_WDUMMY;
- }
- } else if (term.line[y][x].mode & ATTR_WDUMMY) {
- term.line[y][x-1].u = ' ';
- term.line[y][x-1].mode &= ~ATTR_WIDE;
- }
- term.dirty[y] = 1;
- term.line[y][x] = *attr;
- term.line[y][x].u = u;
+void
+tclearglyph(Glyph *gp, int usecurattr)
+{
+ if (usecurattr) {
+ gp->fg = term.c.attr.fg;
+ gp->bg = term.c.attr.bg;
+ } else {
+ gp->fg = defaultfg;
+ gp->bg = defaultbg;
+ }
+ gp->mode = ATTR_NULL;
+ gp->u = ' ';
}
+
+
void
-tclearregion(int x1, int y1, int x2, int y2)
+tclearregion(int x1, int y1, int x2, int y2, int usecurattr)
{
- int x, y, temp;
- Glyph *gp;
-
- if (x1 > x2)
- temp = x1, x1 = x2, x2 = temp;
- if (y1 > y2)
- temp = y1, y1 = y2, y2 = temp;
-
- LIMIT(x1, 0, term.col-1);
- LIMIT(x2, 0, term.col-1);
- LIMIT(y1, 0, term.row-1);
- LIMIT(y2, 0, term.row-1);
+ int x, y;
+ /* regionselected() takes relative coordinates */
+ if (regionselected(x1+term.scr, y1+term.scr, x2+term.scr, y2+term.scr))
+ selremove();
- for (y = y1; y <= y2; y++) {
+ for (y = y1; y <= y2; y++) {
term.dirty[y] = 1;
- for (x = x1; x <= x2; x++) {
- gp = &term.line[y][x];
- if (selected(x, y))
- selclear();
- gp->fg = term.c.attr.fg;
- gp->bg = term.c.attr.bg;
- gp->mode = 0;
- gp->u = ' ';
- }
+ for (x = x1; x <= x2; x++)
+ tclearglyph(&term.line[y][x], usecurattr);
}
}
void
tdeletechar(int n)
{
- int dst, src, size;
- Glyph *line;
+ int src, dst, size;
+ Line line;
- LIMIT(n, 0, term.col - term.c.x);
+ if (n <= 0)
+ return;
- dst = term.c.x;
- src = term.c.x + n;
- size = term.col - src;
- line = term.line[term.c.y];
-
- memmove(&line[dst], &line[src], size * sizeof(Glyph));
- tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
+ dst = term.c.x;
+ src = MIN(term.c.x + n, term.col);
+ size = term.col - src;
+ if (size > 0) {
+ /*
+ * otherwise src would point beyond the array
+ * https://stackoverflow.com/questions/29844298
+ */
+ line = term.line[term.c.y];
+ memmove(&line[dst], &line[src], size * sizeof(Glyph));
+ }
+ tclearregion(dst + size, term.c.y, term.col - 1, term.c.y, 1);
}
void
tinsertblank(int n)
{
- int dst, src, size;
- Glyph *line;
-
- LIMIT(n, 0, term.col - term.c.x);
+ int src, dst, size;
+ Line line;
- dst = term.c.x + n;
- src = term.c.x;
- size = term.col - dst;
- line = term.line[term.c.y];
-
- memmove(&line[dst], &line[src], size * sizeof(Glyph));
- tclearregion(src, term.c.y, dst - 1, term.c.y);
+ if (n <= 0)
+ return;
+ dst = MIN(term.c.x + n, term.col);
+ src = term.c.x;
+ size = term.col - dst;
+ if (size > 0) { /* otherwise dst would point beyond the array */
+ line = term.line[term.c.y];
+ memmove(&line[dst], &line[src], size * sizeof(Glyph));
+ }
+ tclearregion(src, term.c.y, dst - 1, term.c.y, 1);
}
void
@@ -1295,7 +1561,7 @@
tdeleteline(int n)
{
if (BETWEEN(term.c.y, term.top, term.bot))
- tscrollup(term.c.y, n);
+ tscrollup(term.c.y, term.bot, n, SCROLL_NOSAVEHIST);
}
int32_t
@@ -1469,7 +1735,7 @@
void
tsetmode(int priv, int set, const int *args, int narg)
{
- int alt; const int *lim;
+ const int *lim;
for (lim = args + narg; args < lim; ++args) {
if (priv) {
@@ -1530,26 +1796,20 @@
xsetmode(set, MODE_8BIT);
break;
case 1049: /* swap screen & set/restore cursor as xterm */
- if (!allowaltscreen)
- break;
- tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
- /* FALLTHROUGH */
case 47: /* swap screen */
- case 1047:
+ case 1047: /*swap screen, clearing alternate screen */
if (!allowaltscreen)
break;
- alt = IS_SET(MODE_ALTSCREEN);
- if (alt) {
- tclearregion(0, 0, term.col-1,
- term.row-1);
- }
- if (set ^ alt) /* set is always 1 or 0 */
- tswapscreen();
- if (*args != 1049)
- break;
+ if (set)
+ tloadaltscreen(*args == 1049, *args == 1049);
+ else
+ tloaddefscreen(*args == 1047, *args == 1049);
+ break;
/* FALLTHROUGH */
- case 1048:
- tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
+ case 1048:
+ if (!allowaltscreen)
+ break;
+ tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
break;
case 2004: /* 2004: bracketed paste mode */
xsetmode(set, MODE_BRCKTPASTE);
@@ -1600,7 +1860,7 @@
csihandle(void)
{
char buf[40];
- int len;
+ int n, x;
switch (csiescseq.mode[0]) {
default:
@@ -1698,19 +1958,30 @@
case 'J': /* ED -- Clear screen */
switch (csiescseq.arg[0]) {
case 0: /* below */
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
+ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1);
if (term.c.y < term.row-1) {
tclearregion(0, term.c.y+1, term.col-1,
- term.row-1);
+ term.row-1, 1);
}
break;
case 1: /* above */
- if (term.c.y > 0)
- tclearregion(0, 0, term.col-1, term.c.y-1);
- tclearregion(0, term.c.y, term.c.x, term.c.y);
+ if (term.c.y >= 0)
+ tclearregion(0, 0, term.col-1, term.c.y-1, 1);
+ tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
break;
case 2: /* all */
- tclearregion(0, 0, term.col-1, term.row-1);
+ if (IS_SET(MODE_ALTSCREEN)) {
+ tclearregion(0, 0, term.col-1, term.row-1, 1);
+ break;
+ }
+ /* vte does this:
+ tscrollup(0, term.row-1, term.row, SCROLL_SAVEHIST); */
+
+ /* alacritty does this: */
+ for (n = term.row-1; n >= 0 && tlinelen(term.line[n]) == 0; n--);
+ if (n >= 0)
+ tscrollup(0, term.row-1, n+1, SCROLL_SAVEHIST);
+ tscrollup(0, term.row-1, term.row-n-1, SCROLL_NOSAVEHIST);
break;
default:
goto unknown;
@@ -1719,21 +1990,21 @@
case 'K': /* EL -- Clear line */
switch (csiescseq.arg[0]) {
case 0: /* right */
- tclearregion(term.c.x, term.c.y, term.col-1,
- term.c.y);
+ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1);
break;
case 1: /* left */
- tclearregion(0, term.c.y, term.c.x, term.c.y);
+ tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
break;
case 2: /* all */
- tclearregion(0, term.c.y, term.col-1, term.c.y);
+ tclearregion(0, term.c.y, term.col-1, term.c.y, 1);
break;
}
break;
case 'S': /* SU -- Scroll <n> line up */
if (csiescseq.priv) break;
DEFAULT(csiescseq.arg[0], 1);
- tscrollup(term.top, csiescseq.arg[0]);
+ /* xterm, urxvt, alacritty save this in history */
+ tscrollup(term.top, term.bot, csiescseq.arg[0], SCROLL_SAVEHIST);
break;
case 'T': /* SD -- Scroll <n> line down */
DEFAULT(csiescseq.arg[0], 1);
@@ -1751,9 +2022,11 @@
tdeleteline(csiescseq.arg[0]);
break;
case 'X': /* ECH -- Erase <n> char */
+ if (csiescseq.arg[0] < 0)
+ return;
DEFAULT(csiescseq.arg[0], 1);
- tclearregion(term.c.x, term.c.y,
- term.c.x + csiescseq.arg[0] - 1, term.c.y);
+ x = MIN(term.c.x + csiescseq.arg[0], term.col) - 1;
+ tclearregion(term.c.x, term.c.y, x, term.c.y, 1);
break;
case 'P': /* DCH -- Delete <n> char */
DEFAULT(csiescseq.arg[0], 1);
@@ -1779,9 +2052,9 @@
ttywrite("\033[0n", sizeof("\033[0n") - 1, 0);
break;
case 6: /* Report Cursor Position (CPR) "<row>;<column>R" */
- len = snprintf(buf, sizeof(buf), "\033[%i;%iR",
+ n = snprintf(buf, sizeof(buf), "\033[%i;%iR",
term.c.y+1, term.c.x+1);
- ttywrite(buf, len, 0);
+ ttywrite(buf, n, 0);
break;
default:
goto unknown;
@@ -1995,6 +2268,61 @@
}
void
+externalpipe(const Arg *arg)
+{
+ int to[2];
+ char buf[UTF_SIZ];
+ void (*oldsigpipe)(int);
+ Glyph *bp, *end;
+ int lastpos, n, newline;
+
+ if (pipe(to) == -1)
+ return;
+
+ switch (fork()) {
+ case -1:
+ close(to[0]);
+ close(to[1]);
+ return;
+ case 0:
+ dup2(to[0], STDIN_FILENO);
+ close(to[0]);
+ close(to[1]);
+ execvp(((char **)arg->v)[0], (char **)arg->v);
+ fprintf(stderr, "st: execvp %s\n", ((char **)arg->v)[0]);
+ perror("failed");
+ exit(0);
+ }
+
+ close(to[0]);
+ /* ignore sigpipe for now, in case child exists early */
+ oldsigpipe = signal(SIGPIPE, SIG_IGN);
+ newline = 0;
+ for (n = 0; n <= HISTSIZE + 2; n++) {
+ bp = TLINE_HIST(n);
+ lastpos = MIN(tlinehistlen(n) + 1, term.col) - 1;
+ if (lastpos < 0)
+ break;
+ if (lastpos == 0)
+ continue;
+ end = &bp[lastpos + 1];
+ for (; bp < end; ++bp)
+ if (xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0)
+ break;
+ if ((newline = TLINE_HIST(n)[lastpos].mode & ATTR_WRAP))
+ continue;
+ if (xwrite(to[1], "\n", 1) < 0)
+ break;
+ newline = 0;
+ }
+ if (newline)
+ (void)xwrite(to[1], "\n", 1);
+ close(to[1]);
+ /* restore */
+ signal(SIGPIPE, oldsigpipe);
+}
+
+void
strdump(void)
{
size_t i;
@@ -2079,16 +2407,8 @@
void
tdumpline(int n)
{
- char buf[UTF_SIZ];
- const Glyph *bp, *end;
-
- bp = &term.line[n][0];
- end = &bp[MIN(tlinelen(n), term.col) - 1];
- if (bp != end || bp->u != ' ') {
- for ( ; bp <= end; ++bp)
- tprinter(buf, utf8encode(bp->u, buf));
- }
- tprinter("\n", 1);
+ char str[(term.col + 1) * UTF_SIZ];
+ tprinter(str, tgetline(str, &term.line[n][0]));
}
void
@@ -2309,7 +2629,7 @@
return 0;
case 'D': /* IND -- Linefeed */
if (term.c.y == term.bot) {
- tscrollup(term.top, 1);
+ tscrollup(term.top, term.bot, 1, SCROLL_SAVEHIST);
} else {
tmoveto(term.c.x, term.c.y+1);
}
@@ -2466,7 +2786,9 @@
*/
return;
}
- if (selected(term.c.x, term.c.y))
+
+ /* selected() takes relative coordinates */
+ if (selected(term.c.x + term.scr, term.c.y + term.scr))
selclear();
gp = &term.line[term.c.y][term.c.x];
@@ -2506,6 +2828,7 @@
if (term.c.x+width < term.col) {
tmoveto(term.c.x+width, term.c.y);
} else {
+ term.wrapcwidth[IS_SET(MODE_ALTSCREEN)] = width;
term.c.state |= CURSOR_WRAPNEXT;
}
}
@@ -2543,85 +2866,284 @@
}
void
+rscrolldown(int n)
+{
+ int i;
+ Line temp;
+
+ /* can never be true as of now
+ if (IS_SET(MODE_ALTSCREEN))
+ return; */
+
+ if ((n = MIN(n, term.histf)) <= 0)
+ return;
+
+ for (i = term.c.y + n; i >= n; i--) {
+ temp = term.line[i];
+ term.line[i] = term.line[i-n];
+ term.line[i-n] = temp;
+ }
+ for (/*i = n - 1 */; i >= 0; i--) {
+ temp = term.line[i];
+ term.line[i] = term.hist[term.histi];
+ term.hist[term.histi] = temp;
+ term.histi = (term.histi - 1 + HISTSIZE) % HISTSIZE;
+ }
+ term.c.y += n;
+ term.histf -= n;
+ if ((i = term.scr - n) >= 0) {
+ term.scr = i;
+ } else {
+ term.scr = 0;
+ if (sel.ob.x != -1 && !sel.alt)
+ selmove(-i);
+ }
+}
+
+
+
+void
tresize(int col, int row)
{
- int i;
- int minrow = MIN(row, term.row);
- int mincol = MIN(col, term.col);
int *bp;
- TCursor c;
+ /* col and row are always MAX(_, 1)
if (col < 1 || row < 1) {
- fprintf(stderr,
- "tresize: error resizing to %dx%d\n", col, row);
+ fprintf(stderr, "tresize: error resizing to %dx%d\n", col, row);
return;
- }
+ } */
- /*
- * slide screen to keep cursor where we expect it -
- * tscrollup would work here, but we can optimize to
- * memmove because we're freeing the earlier lines
- */
- for (i = 0; i <= term.c.y - row; i++) {
- free(term.line[i]);
- free(term.alt[i]);
- }
- /* ensure that both src and dst are not NULL */
- if (i > 0) {
- memmove(term.line, term.line + i, row * sizeof(Line));
- memmove(term.alt, term.alt + i, row * sizeof(Line));
- }
- for (i += row; i < term.row; i++) {
- free(term.line[i]);
- free(term.alt[i]);
- }
-
- /* resize to new height */
- term.line = xrealloc(term.line, row * sizeof(Line));
- term.alt = xrealloc(term.alt, row * sizeof(Line));
term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
+ if (col > term.col) {
+ bp = term.tabs + term.col;
+ memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
+ while (--bp > term.tabs && !*bp)
+ /* nothing */ ;
+ for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
+ *bp = 1;
+ }
+
+ if (IS_SET(MODE_ALTSCREEN))
+ tresizealt(col, row);
+ else
+ tresizedef(col, row);
+}
+
+
+void
+tresizedef(int col, int row)
+{
+ int i, j;
- /* 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));
- term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
- }
-
- /* allocate any new rows */
- for (/* i = minrow */; i < row; i++) {
- term.line[i] = xmalloc(col * sizeof(Glyph));
- term.alt[i] = xmalloc(col * sizeof(Glyph));
- }
- if (col > term.col) {
- bp = term.tabs + term.col;
-
- memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
- while (--bp > term.tabs && !*bp)
- /* nothing */ ;
- for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
- *bp = 1;
+ /* return if dimensions haven't changed */
+ if (term.col == col && term.row == row) {
+ tfulldirt();
+ return;
+ }
+ if (col != term.col) {
+ if (!sel.alt)
+ selremove();
+ treflow(col, row);
+ } else {
+ /* slide screen up if otherwise cursor would get out of the screen */
+ if (term.c.y >= row) {
+ tscrollup(0, term.row - 1, term.c.y - row + 1, SCROLL_RESIZE);
+ term.c.y = row - 1;
+ }
+ for (i = row; i < term.row; i++)
+ free(term.line[i]);
+
+ /* resize to new height */
+ term.line = xrealloc(term.line, row * sizeof(Line));
+ /* allocate any new rows */
+ for (i = term.row; i < row; i++) {
+ term.line[i] = xmalloc(col * sizeof(Glyph));
+ for (j = 0; j < col; j++)
+ tclearglyph(&term.line[i][j], 0);
+ }
+ /* scroll down as much as height has increased */
+ rscrolldown(row - term.row);
}
/* update terminal size */
- term.col = col;
- term.row = row;
+ term.col = col, term.row = row;
/* reset scrolling region */
- tsetscroll(0, row-1);
- /* make use of the LIMIT in tmoveto */
- tmoveto(term.c.x, term.c.y);
- /* Clearing both screens (it makes dirty all lines) */
- c = term.c;
- for (i = 0; i < 2; i++) {
- if (mincol < col && 0 < minrow) {
- tclearregion(mincol, 0, col - 1, minrow - 1);
- }
- if (0 < col && minrow < row) {
- tclearregion(0, minrow, col - 1, row - 1);
- }
- tswapscreen();
- tcursor(CURSOR_LOAD);
- }
- term.c = c;
+ term.top = 0, term.bot = row - 1;
+ /* dirty all lines */
+ tfulldirt();
+}
+
+
+
+void
+tresizealt(int col, int row)
+{
+ int i, j;
+
+ /* return if dimensions haven't changed */
+ if (term.col == col && term.row == row) {
+ tfulldirt();
+ return;
+ }
+ if (sel.alt)
+ selremove();
+ /* slide screen up if otherwise cursor would get out of the screen */
+ for (i = 0; i <= term.c.y - row; i++)
+ free(term.line[i]);
+ if (i > 0) {
+ /* ensure that both src and dst are not NULL */
+ memmove(term.line, term.line + i, row * sizeof(Line));
+ term.c.y = row - 1;
+ }
+ for (i += row; i < term.row; i++)
+ free(term.line[i]);
+ /* resize to new height */
+ term.line = xrealloc(term.line, row * sizeof(Line));
+ /* resize to new width */
+ for (i = 0; i < MIN(row, term.row); i++) {
+ term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
+ for (j = term.col; j < col; j++)
+ tclearglyph(&term.line[i][j], 0);
+ }
+ /* allocate any new rows */
+ for (/*i = MIN(row, term.row) */; i < row; i++) {
+ term.line[i] = xmalloc(col * sizeof(Glyph));
+ for (j = 0; j < col; j++)
+ tclearglyph(&term.line[i][j], 0);
+ }
+ /* update cursor */
+ if (term.c.x >= col) {
+ term.c.state &= ~CURSOR_WRAPNEXT;
+ term.c.x = col - 1;
+ } else {
+ UPDATEWRAPNEXT(1, col);
+ }
+ /* update terminal size */
+ term.col = col, term.row = row;
+ /* reset scrolling region */
+ term.top = 0, term.bot = row - 1;
+ /* dirty all lines */
+ tfulldirt();
+ }
+
+
+
+
+
+void
+treflow(int col, int row)
+{
+ int i, j;
+ int oce, nce, bot, scr;
+ int ox = 0, oy = -term.histf, nx = 0, ny = -1, len;
+ int cy = -1; /* proxy for new y coordinate of cursor */
+ int nlines;
+ Line *buf, line;
+
+ /* y coordinate of cursor line end */
+ for (oce = term.c.y; oce < term.row - 1 &&
+ tiswrapped(term.line[oce]); oce++);
+
+ nlines = term.histf + oce + 1;
+ if (col < term.col) {
+ /* each line can take this many lines after reflow */
+ j = (term.col + col - 1) / col;
+ nlines = j * nlines;
+ if (nlines > HISTSIZE + RESIZEBUFFER + row) {
+ nlines = HISTSIZE + RESIZEBUFFER + row;
+ oy = -(nlines / j - oce - 1);
+ }
+ }
+ buf = xmalloc(nlines * sizeof(Line));
+ do {
+ if (!nx)
+ buf[++ny] = xmalloc(col * sizeof(Glyph));
+ if (!ox) {
+ line = TLINEABS(oy);
+ len = tlinelen(line);
+ }
+ if (oy == term.c.y) {
+ if (!ox)
+ len = MAX(len, term.c.x + 1);
+ /* update cursor */
+ if (cy < 0 && term.c.x - ox < col - nx) {
+ term.c.x = nx + term.c.x - ox, cy = ny;
+ UPDATEWRAPNEXT(0, col);
+ }
+ }
+ /* get reflowed lines in buf */
+ if (col - nx > len - ox) {
+ memcpy(&buf[ny][nx], &line[ox], (len-ox) * sizeof(Glyph));
+ nx += len - ox;
+ if (len == 0 || !(line[len - 1].mode & ATTR_WRAP)) {
+ for (j = nx; j < col; j++)
+ tclearglyph(&buf[ny][j], 0);
+ nx = 0;
+ } else if (nx > 0) {
+ buf[ny][nx - 1].mode &= ~ATTR_WRAP;
+ }
+ ox = 0, oy++;
+ } else if (col - nx == len - ox) {
+ memcpy(&buf[ny][nx], &line[ox], (col-nx) * sizeof(Glyph));
+ ox = 0, oy++, nx = 0;
+ } else/* if (col - nx < len - ox) */ {
+ memcpy(&buf[ny][nx], &line[ox], (col-nx) * sizeof(Glyph));
+ ox += col - nx;
+ buf[ny][col - 1].mode |= ATTR_WRAP;
+ nx = 0;
+ }
+ } while (oy <= oce);
+ if (nx)
+ for (j = nx; j < col; j++)
+ tclearglyph(&buf[ny][j], 0);
+
+ /* free extra lines */
+ for (i = row; i < term.row; i++)
+ free(term.line[i]);
+ /* resize to new height */
+ term.line = xrealloc(term.line, row * sizeof(Line));
+
+ bot = MIN(ny, row - 1);
+ scr = MAX(row - term.row, 0);
+ /* update y coordinate of cursor line end */
+ nce = MIN(oce + scr, bot);
+ /* update cursor y coordinate */
+ term.c.y = nce - (ny - cy);
+ if (term.c.y < 0) {
+ j = nce, nce = MIN(nce + -term.c.y, bot);
+ term.c.y += nce - j;
+ while (term.c.y < 0) {
+ free(buf[ny--]);
+ term.c.y++;
+ }
+ }
+ /* allocate new rows */
+ for (i = row - 1; i > nce; i--) {
+ term.line[i] = xmalloc(col * sizeof(Glyph));
+ for (j = 0; j < col; j++)
+ tclearglyph(&term.line[i][j], 0);
+ }
+ /* fill visible area */
+ for (/*i = nce */; i >= term.row; i--, ny--)
+ term.line[i] = buf[ny];
+ for (/*i = term.row - 1 */; i >= 0; i--, ny--) {
+ free(term.line[i]);
+ term.line[i] = buf[ny];
+ }
+ /* fill lines in history buffer and update term.histf */
+ for (/*i = -1 */; ny >= 0 && i >= -HISTSIZE; i--, ny--) {
+ j = (term.histi + i + 1 + HISTSIZE) % HISTSIZE;
+ free(term.hist[j]);
+ term.hist[j] = buf[ny];
+ }
+ term.histf = -i - 1;
+ term.scr = MIN(term.scr, term.histf);
+ /* resize rest of the history lines */
+ for (/*i = -term.histf - 1 */; i >= -HISTSIZE; i--) {
+ j = (term.histi + i + 1 + HISTSIZE) % HISTSIZE;
+ term.hist[j] = xrealloc(term.hist[j], col * sizeof(Glyph));
+ }
+ free(buf);
}
void
@@ -2640,7 +3162,7 @@
continue;
term.dirty[y] = 0;
- xdrawline(term.line[y], x1, y, x2);
+ xdrawline(TLINE(y), x1, y, x2);
}
}
diff '--color=auto' -Nu a/st.h b/st.h
--- a/st.h 2024-12-18 21:06:29.591000711 -0600
+++ b/st.h 2024-12-18 20:53:14.661004242 -0600
@@ -22,17 +22,19 @@
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_SET = 1 << 0,
+ ATTR_BOLD = 1 << 1,
+ ATTR_FAINT = 1 << 2,
+ ATTR_ITALIC = 1 << 3,
+ ATTR_UNDERLINE = 1 << 4,
+ ATTR_BLINK = 1 << 5,
+ ATTR_REVERSE = 1 << 6,
+ ATTR_INVISIBLE = 1 << 7,
+ ATTR_STRUCK = 1 << 8,
+ ATTR_WRAP = 1 << 9,
+ ATTR_WIDE = 1 << 10,
+ ATTR_WDUMMY = 1 << 11,
+ ATTR_SELECTED = 1 << 12,
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
};
@@ -81,6 +83,9 @@
void redraw(void);
void draw(void);
+void kscrolldown(const Arg *);
+void kscrollup(const Arg *);
+void externalpipe(const Arg *);
void printscreen(const Arg *);
void printsel(const Arg *);
void sendbreak(const Arg *);
@@ -88,6 +93,7 @@
int tattrset(int);
void tnew(int, int);
+int tisaltscreen(void);
void tresize(int, int);
void tsetdirtattr(int);
void ttyhangup(void);
diff '--color=auto' -Nu a/x.c b/x.c
--- a/x.c 2024-12-18 21:06:29.591000711 -0600
+++ b/x.c 2024-12-18 20:53:14.661004242 -0600
@@ -81,6 +81,7 @@
typedef struct {
int tw, th; /* tty width and height */
int w, h; /* window width and height */
+ int hborderpx, vborderpx;
int ch; /* char height */
int cw; /* char width */
int mode; /* window state/mode flags */
@@ -331,7 +332,7 @@
int
evcol(XEvent *e)
{
- int x = e->xbutton.x - borderpx;
+ int x = e->xbutton.x - win.hborderpx;
LIMIT(x, 0, win.tw - 1);
return x / win.cw;
}
@@ -339,7 +340,7 @@
int
evrow(XEvent *e)
{
- int y = e->xbutton.y - borderpx;
+ int y = e->xbutton.y - win.vborderpx;
LIMIT(y, 0, win.th - 1);
return y / win.ch;
}
@@ -739,6 +740,9 @@
col = MAX(1, col);
row = MAX(1, row);
+ win.hborderpx = (win.w - col * win.cw) / 2;
+ win.vborderpx = (win.h - row * win.ch) / 2;
+
tresize(col, row);
xresize(col, row);
ttyresize(win.tw, win.th);
@@ -869,8 +873,8 @@
sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize;
sizeh->height = win.h;
sizeh->width = win.w;
- sizeh->height_inc = win.ch;
- sizeh->width_inc = win.cw;
+ sizeh->height_inc = 1;
+ sizeh->width_inc = 1;
sizeh->base_height = 2 * borderpx;
sizeh->base_width = 2 * borderpx;
sizeh->min_height = win.ch + 2 * borderpx;
@@ -1152,8 +1156,8 @@
xloadcols();
/* adjust fixed window geometry */
- win.w = 2 * borderpx + cols * win.cw;
- win.h = 2 * borderpx + rows * win.ch;
+ win.w = 2 * win.hborderpx + 2 * borderpx + cols * win.cw;
+ win.h = 2 * win.vborderpx + 2 * borderpx + rows * win.ch;
if (xw.gm & XNegative)
xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
if (xw.gm & YNegative)
@@ -1245,7 +1249,7 @@
int
xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
{
- float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
+ float winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch, xp, yp;
ushort mode, prevmode = USHRT_MAX;
Font *font = &dc.font;
int frcflags = FRC_NORMAL;
@@ -1378,7 +1382,7 @@
xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
{
int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
- int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
+ int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
width = charlen * win.cw;
Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
XRenderColor colfg, colbg;
@@ -1468,17 +1472,17 @@
/* Intelligent cleaning up of the borders. */
if (x == 0) {
- xclear(0, (y == 0)? 0 : winy, borderpx,
+ xclear(0, (y == 0)? 0 : winy, win.hborderpx,
winy + win.ch +
- ((winy + win.ch >= borderpx + win.th)? win.h : 0));
+ ((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
}
- if (winx + width >= borderpx + win.tw) {
+ if (winx + width >= win.hborderpx + win.tw) {
xclear(winx + width, (y == 0)? 0 : winy, win.w,
- ((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch)));
+ ((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
}
if (y == 0)
- xclear(winx, 0, winx + width, borderpx);
- if (winy + win.ch >= borderpx + win.th)
+ xclear(winx, 0, winx + width, win.vborderpx);
+ if (winy + win.ch >= win.vborderpx + win.th)
xclear(winx, winy + win.ch, winx + width, win.h);
/* Clean up the region we want to draw to. */
@@ -1572,35 +1576,35 @@
case 3: /* Blinking Underline */
case 4: /* Steady Underline */
XftDrawRect(xw.draw, &drawcol,
- borderpx + cx * win.cw,
- borderpx + (cy + 1) * win.ch - \
+ win.hborderpx + cx * win.cw,
+ win.vborderpx + (cy + 1) * win.ch - \
cursorthickness,
win.cw, cursorthickness);
break;
case 5: /* Blinking bar */
case 6: /* Steady bar */
XftDrawRect(xw.draw, &drawcol,
- borderpx + cx * win.cw,
- borderpx + cy * win.ch,
+ win.hborderpx + cx * win.cw,
+ win.vborderpx + cy * win.ch,
cursorthickness, win.ch);
break;
}
} else {
XftDrawRect(xw.draw, &drawcol,
- borderpx + cx * win.cw,
- borderpx + cy * win.ch,
+ win.hborderpx + cx * win.cw,
+ win.vborderpx + cy * win.ch,
win.cw - 1, 1);
XftDrawRect(xw.draw, &drawcol,
- borderpx + cx * win.cw,
- borderpx + cy * win.ch,
+ win.hborderpx + cx * win.cw,
+ win.vborderpx + cy * win.ch,
1, win.ch - 1);
XftDrawRect(xw.draw, &drawcol,
- borderpx + (cx + 1) * win.cw - 1,
- borderpx + cy * win.ch,
+ win.hborderpx + (cx + 1) * win.cw - 1,
+ win.vborderpx + cy * win.ch,
1, win.ch - 1);
XftDrawRect(xw.draw, &drawcol,
- borderpx + cx * win.cw,
- borderpx + (cy + 1) * win.ch - 1,
+ win.hborderpx + cx * win.cw,
+ win.vborderpx + (cy + 1) * win.ch - 1,
win.cw, 1);
}
}