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-rw-r--r--Makefile3
-rw-r--r--autocomplete.h16
-rw-r--r--config.def.h14
-rw-r--r--config.h14
-rw-r--r--patches/st-anysize-20220718-baa9357.diff164
-rw-r--r--patches/st-autocomplete-20240703-6508693.diff703
-rwxr-xr-xstbin105776 -> 110944 bytes
-rw-r--r--st-autocomplete310
-rw-r--r--st.c227
-rw-r--r--st.h2
-rw-r--r--st.obin81616 -> 89536 bytes
-rw-r--r--x.c65
-rw-r--r--x.c.orig2119
-rw-r--r--x.obin76040 -> 77536 bytes
14 files changed, 3609 insertions, 28 deletions
diff --git a/Makefile b/Makefile
index 15db421..aa22b87 100644
--- a/Makefile
+++ b/Makefile
@@ -38,6 +38,8 @@ install: st
mkdir -p $(DESTDIR)$(PREFIX)/bin
cp -f st $(DESTDIR)$(PREFIX)/bin
chmod 755 $(DESTDIR)$(PREFIX)/bin/st
+ cp -f st-autocomplete $(DESTDIR)$(PREFIX)/bin
+ chmod 755 $(DESTDIR)$(PREFIX)/bin/st-autocomplete
mkdir -p $(DESTDIR)$(MANPREFIX)/man1
sed "s/VERSION/$(VERSION)/g" < st.1 > $(DESTDIR)$(MANPREFIX)/man1/st.1
chmod 644 $(DESTDIR)$(MANPREFIX)/man1/st.1
@@ -46,6 +48,7 @@ install: st
uninstall:
rm -f $(DESTDIR)$(PREFIX)/bin/st
+ rm -f $(DESTDIR)$(PREFIX)/bin/st-autocomplete
rm -f $(DESTDIR)$(MANPREFIX)/man1/st.1
.PHONY: all clean dist install uninstall
diff --git a/autocomplete.h b/autocomplete.h
new file mode 100644
index 0000000..fc88447
--- /dev/null
+++ b/autocomplete.h
@@ -0,0 +1,16 @@
+# ifndef __ST_AUTOCOMPLETE_H
+# define __ST_AUTOCOMPLETE_H
+
+enum {
+ ACMPL_DEACTIVATE,
+ ACMPL_WORD,
+ ACMPL_WWORD,
+ ACMPL_FUZZY_WORD,
+ ACMPL_FUZZY_WWORD,
+ ACMPL_FUZZY,
+ ACMPL_SUFFIX,
+ ACMPL_SURROUND,
+ ACMPL_UNDO,
+};
+
+# endif // __ST_AUTOCOMPLETE_H
diff --git a/config.def.h b/config.def.h
index 49b27d1..1995e56 100644
--- a/config.def.h
+++ b/config.def.h
@@ -5,7 +5,7 @@
*
* font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
*/
-static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
+static char *font = "iosevka:pixelsize=17:antialias=true:autohint=true";
static int borderpx = 2;
/*
@@ -170,6 +170,8 @@ static unsigned int defaultattr = 11;
*/
static uint forcemousemod = ShiftMask;
+#include "autocomplete.h"
+
/*
* Internal mouse shortcuts.
* Beware that overloading Button1 will disable the selection.
@@ -189,6 +191,8 @@ static MouseShortcut mshortcuts[] = {
#define MODKEY Mod1Mask
#define TERMMOD (ControlMask|ShiftMask)
+#define ACMPL_MOD Mod1Mask
+
static Shortcut shortcuts[] = {
/* mask keysym function argument */
{ XK_ANY_MOD, XK_Break, sendbreak, {.i = 0} },
@@ -201,6 +205,14 @@ static Shortcut shortcuts[] = {
{ TERMMOD, XK_C, clipcopy, {.i = 0} },
{ TERMMOD, XK_V, clippaste, {.i = 0} },
{ TERMMOD, XK_Y, selpaste, {.i = 0} },
+ { ACMPL_MOD, XK_n, autocomplete, { .i = ACMPL_WORD } },
+ { ACMPL_MOD, XK_period, autocomplete, { .i = ACMPL_FUZZY_WORD } },
+ { ACMPL_MOD, XK_comma, autocomplete, { .i = ACMPL_FUZZY } },
+ { ACMPL_MOD, XK_apostrophe, autocomplete, { .i = ACMPL_SUFFIX } },
+ { ACMPL_MOD, XK_semicolon, autocomplete, { .i = ACMPL_SURROUND } },
+ { ACMPL_MOD, XK_bracketright,autocomplete, { .i = ACMPL_WWORD } },
+ { ACMPL_MOD, XK_bracketleft, autocomplete, { .i = ACMPL_FUZZY_WWORD } },
+ { ACMPL_MOD, XK_equal, autocomplete, { .i = ACMPL_UNDO } },
{ ShiftMask, XK_Insert, selpaste, {.i = 0} },
{ TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
{ ShiftMask, XK_Page_Up, kscrollup, {.i = -1} },
diff --git a/config.h b/config.h
index 49b27d1..1995e56 100644
--- a/config.h
+++ b/config.h
@@ -5,7 +5,7 @@
*
* font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
*/
-static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
+static char *font = "iosevka:pixelsize=17:antialias=true:autohint=true";
static int borderpx = 2;
/*
@@ -170,6 +170,8 @@ static unsigned int defaultattr = 11;
*/
static uint forcemousemod = ShiftMask;
+#include "autocomplete.h"
+
/*
* Internal mouse shortcuts.
* Beware that overloading Button1 will disable the selection.
@@ -189,6 +191,8 @@ static MouseShortcut mshortcuts[] = {
#define MODKEY Mod1Mask
#define TERMMOD (ControlMask|ShiftMask)
+#define ACMPL_MOD Mod1Mask
+
static Shortcut shortcuts[] = {
/* mask keysym function argument */
{ XK_ANY_MOD, XK_Break, sendbreak, {.i = 0} },
@@ -201,6 +205,14 @@ static Shortcut shortcuts[] = {
{ TERMMOD, XK_C, clipcopy, {.i = 0} },
{ TERMMOD, XK_V, clippaste, {.i = 0} },
{ TERMMOD, XK_Y, selpaste, {.i = 0} },
+ { ACMPL_MOD, XK_n, autocomplete, { .i = ACMPL_WORD } },
+ { ACMPL_MOD, XK_period, autocomplete, { .i = ACMPL_FUZZY_WORD } },
+ { ACMPL_MOD, XK_comma, autocomplete, { .i = ACMPL_FUZZY } },
+ { ACMPL_MOD, XK_apostrophe, autocomplete, { .i = ACMPL_SUFFIX } },
+ { ACMPL_MOD, XK_semicolon, autocomplete, { .i = ACMPL_SURROUND } },
+ { ACMPL_MOD, XK_bracketright,autocomplete, { .i = ACMPL_WWORD } },
+ { ACMPL_MOD, XK_bracketleft, autocomplete, { .i = ACMPL_FUZZY_WWORD } },
+ { ACMPL_MOD, XK_equal, autocomplete, { .i = ACMPL_UNDO } },
{ ShiftMask, XK_Insert, selpaste, {.i = 0} },
{ TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
{ ShiftMask, XK_Page_Up, kscrollup, {.i = -1} },
diff --git a/patches/st-anysize-20220718-baa9357.diff b/patches/st-anysize-20220718-baa9357.diff
new file mode 100644
index 0000000..675ffdf
--- /dev/null
+++ b/patches/st-anysize-20220718-baa9357.diff
@@ -0,0 +1,164 @@
+From 8dcdc4b21a73268e167d98aa30f24315c7f3b7ff Mon Sep 17 00:00:00 2001
+From: Bakkeby <bakkeby@gmail.com>
+Date: Mon, 18 Jul 2022 16:52:03 +0200
+Subject: [PATCH] Adding anysize patch
+
+---
+ x.c | 56 ++++++++++++++++++++++++++++++--------------------------
+ 1 file changed, 30 insertions(+), 26 deletions(-)
+
+diff --git a/x.c b/x.c
+index 2a3bd38..f534347 100644
+--- a/x.c
++++ b/x.c
+@@ -81,6 +81,7 @@ typedef XftGlyphFontSpec GlyphFontSpec;
+ 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 @@ ttysend(const Arg *arg)
+ 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 @@ evcol(XEvent *e)
+ 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 @@ cresize(int width, int height)
+ 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 @@ xhints(void)
+ 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 @@ xinit(int cols, int rows)
+ 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)
+@@ -1242,7 +1246,7 @@ xinit(int cols, int rows)
+ 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;
+@@ -1375,7 +1379,7 @@ void
+ 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;
+@@ -1465,17 +1469,17 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
+
+ /* 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. */
+@@ -1569,35 +1573,35 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
+ 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);
+ }
+ }
+--
+2.37.1
+
diff --git a/patches/st-autocomplete-20240703-6508693.diff b/patches/st-autocomplete-20240703-6508693.diff
new file mode 100644
index 0000000..f727449
--- /dev/null
+++ b/patches/st-autocomplete-20240703-6508693.diff
@@ -0,0 +1,703 @@
+From 650869359d3568dd2a000d474054e835a9c7ac74 Mon Sep 17 00:00:00 2001
+From: elbachir-one <bachiralfa@gmail.com>
+Date: Wed, 3 Jul 2024 22:44:40 +0100
+Subject: [PATCH] The use of mkstemp'
+
+---
+ Makefile | 3 +
+ autocomplete.h | 16 +++
+ config.def.h | 12 ++
+ st-autocomplete | 310 ++++++++++++++++++++++++++++++++++++++++++++++++
+ st.c | 227 +++++++++++++++++++++++++++++++++++
+ st.h | 2 +
+ x.c | 9 ++
+ 7 files changed, 579 insertions(+)
+ create mode 100644 autocomplete.h
+ create mode 100644 st-autocomplete
+
+diff --git a/Makefile b/Makefile
+index 93fed02..9aff9e0 100644
+--- a/Makefile
++++ b/Makefile
+@@ -38,6 +38,8 @@ install: st
+ mkdir -p $(DESTDIR)$(PREFIX)/bin
+ cp -f st $(DESTDIR)$(PREFIX)/bin
+ chmod 755 $(DESTDIR)$(PREFIX)/bin/st
++ cp -f st-autocomplete $(DESTDIR)$(PREFIX)/bin
++ chmod 755 $(DESTDIR)$(PREFIX)/bin/st-autocomplete
+ mkdir -p $(DESTDIR)$(MANPREFIX)/man1
+ sed "s/VERSION/$(VERSION)/g" < st.1 > $(DESTDIR)$(MANPREFIX)/man1/st.1
+ chmod 644 $(DESTDIR)$(MANPREFIX)/man1/st.1
+@@ -46,6 +48,7 @@ install: st
+
+ uninstall:
+ rm -f $(DESTDIR)$(PREFIX)/bin/st
++ rm -f $(DESTDIR)$(PREFIX)/bin/st-autocomplete
+ rm -f $(DESTDIR)$(MANPREFIX)/man1/st.1
+
+ .PHONY: all clean dist install uninstall
+diff --git a/autocomplete.h b/autocomplete.h
+new file mode 100644
+index 0000000..fc88447
+--- /dev/null
++++ b/autocomplete.h
+@@ -0,0 +1,16 @@
++# ifndef __ST_AUTOCOMPLETE_H
++# define __ST_AUTOCOMPLETE_H
++
++enum {
++ ACMPL_DEACTIVATE,
++ ACMPL_WORD,
++ ACMPL_WWORD,
++ ACMPL_FUZZY_WORD,
++ ACMPL_FUZZY_WWORD,
++ ACMPL_FUZZY,
++ ACMPL_SUFFIX,
++ ACMPL_SURROUND,
++ ACMPL_UNDO,
++};
++
++# endif // __ST_AUTOCOMPLETE_H
+diff --git a/config.def.h b/config.def.h
+index 2cd740a..b74e03e 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -170,6 +170,8 @@ static unsigned int defaultattr = 11;
+ */
+ static uint forcemousemod = ShiftMask;
+
++#include "autocomplete.h"
++
+ /*
+ * Internal mouse shortcuts.
+ * Beware that overloading Button1 will disable the selection.
+@@ -187,6 +189,8 @@ static MouseShortcut mshortcuts[] = {
+ #define MODKEY Mod1Mask
+ #define TERMMOD (ControlMask|ShiftMask)
+
++#define ACMPL_MOD ControlMask|Mod1Mask
++
+ static Shortcut shortcuts[] = {
+ /* mask keysym function argument */
+ { XK_ANY_MOD, XK_Break, sendbreak, {.i = 0} },
+@@ -201,6 +205,14 @@ static Shortcut shortcuts[] = {
+ { TERMMOD, XK_Y, selpaste, {.i = 0} },
+ { ShiftMask, XK_Insert, selpaste, {.i = 0} },
+ { TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
++ { ACMPL_MOD, XK_slash, autocomplete, { .i = ACMPL_WORD } },
++ { ACMPL_MOD, XK_period, autocomplete, { .i = ACMPL_FUZZY_WORD } },
++ { ACMPL_MOD, XK_comma, autocomplete, { .i = ACMPL_FUZZY } },
++ { ACMPL_MOD, XK_apostrophe, autocomplete, { .i = ACMPL_SUFFIX } },
++ { ACMPL_MOD, XK_semicolon, autocomplete, { .i = ACMPL_SURROUND } },
++ { ACMPL_MOD, XK_bracketright,autocomplete, { .i = ACMPL_WWORD } },
++ { ACMPL_MOD, XK_bracketleft, autocomplete, { .i = ACMPL_FUZZY_WWORD } },
++ { ACMPL_MOD, XK_equal, autocomplete, { .i = ACMPL_UNDO } },
+ };
+
+ /*
+diff --git a/st-autocomplete b/st-autocomplete
+new file mode 100644
+index 0000000..0fad536
+--- /dev/null
++++ b/st-autocomplete
+@@ -0,0 +1,310 @@
++#!/usr/bin/perl
++#########################################################################
++# Copyright (C) 2012-2017 Wojciech Siewierski #
++# #
++# This program is free software: you can redistribute it and/or modify #
++# it under the terms of the GNU General Public License as published by #
++# the Free Software Foundation, either version 3 of the License, or #
++# (at your option) any later version. #
++# #
++# This program is distributed in the hope that it will be useful, #
++# but WITHOUT ANY WARRANTY; without even the implied warranty of #
++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
++# GNU General Public License for more details. #
++# #
++# You should have received a copy of the GNU General Public License #
++# along with this program. If not, see <http://www.gnu.org/licenses/>. #
++#########################################################################
++
++my ($cmd, $cursor_row, $cursor_column) = @ARGV;
++
++my $lines = [];
++my $lines1 = [];
++
++my $last_line = -1;
++my $lines_before_cursor = 0;
++
++while (<stdin>)
++{
++ $last_line++;
++
++ s/[^[:print:]]/?/g;
++
++ if ($last_line < $cursor_row)
++ {
++ unshift @{$lines1}, $_;
++ $lines_before_cursor++;
++ }
++ else
++ {
++ unshift @{$lines}, $_;
++ }
++}
++
++foreach (@{$lines1})
++{
++ unshift @{$lines}, $_;
++}
++
++my $cursor_row_in = $cursor_row;
++
++$cursor_row = $last_line;
++
++
++$self = {};
++
++# A reference to a function that transforms the completed word
++# into a regex matching the completions. Usually generated by
++# generate_matcher().
++#
++# For example
++# $fun = generate_matcher(".*");
++# $fun->("foo");
++# would return "f.*o.*o"
++#
++# In other words, indirectly decides which characters can
++# appear in the completion.
++my $matcher;
++
++# A regular expression matching a character before each match.
++# For example, it you want to match the text after a
++# whitespace, set it to "\s".
++my $char_class_before;
++
++# A regular expression matching every character in the entered
++# text that will be used to find matching completions. Usually
++# "\w" or similar.
++my $char_class_to_complete;
++
++# A regular expression matching every allowed last character
++# of the completion (uses greedy matching).
++my $char_class_at_end;
++
++if ($cmd eq 'word-complete') {
++ # Basic word completion. Completes the current word
++ # without any special matching.
++ $char_class_before = '[^-\w]';
++ $matcher = sub { quotemeta shift }; # identity
++ $char_class_at_end = '[-\w]';
++ $char_class_to_complete = '[-\w]';
++} elsif ($cmd eq 'WORD-complete') {
++ # The same as above but in the Vim meaning of a "WORD" --
++ # whitespace delimited.
++ $char_class_before = '\s';
++ $matcher = sub { quotemeta shift };
++ $char_class_at_end = '\S';
++ $char_class_to_complete = '\S';
++} elsif ($cmd eq 'fuzzy-word-complete' ||
++ $cmd eq 'skeleton-word-complete') {
++ # Fuzzy completion of the current word.
++ $char_class_before = '[^-\w]';
++ $matcher = generate_matcher('[-\w]*');
++ $char_class_at_end = '[-\w]';
++ $char_class_to_complete = '[-\w]';
++} elsif ($cmd eq 'fuzzy-WORD-complete') {
++ # Fuzzy completion of the current WORD.
++ $char_class_before = '\s';
++ $matcher = generate_matcher('\S*');
++ $char_class_at_end = '\S';
++ $char_class_to_complete = '\S';
++} elsif ($cmd eq 'fuzzy-complete' ||
++ $cmd eq 'skeleton-complete') {
++ # Fuzzy completion of an arbitrary text.
++ $char_class_before = '\W';
++ $matcher = generate_matcher('.*?');
++ $char_class_at_end = '\w';
++ $char_class_to_complete = '\S';
++} elsif ($cmd eq 'suffix-complete') {
++ # Fuzzy completion of an completing suffixes, like
++ # completing test=hello from /blah/hello.
++ $char_class_before = '\S';
++ $matcher = generate_matcher('\S*');
++ $char_class_at_end = '\S';
++ $char_class_to_complete = '\S';
++} elsif ($cmd eq 'surround-complete') {
++ # Completing contents of quotes and braces.
++
++ # Here we are using three named groups: s, b, p for quotes, braces
++ # and parenthesis.
++ $char_class_before = '((?<q>["\'`])|(?<b>\[)|(?<p>\())';
++
++ $matcher = generate_matcher('.*?');
++
++ # Here we match text till enclosing pair, using perl conditionals in
++ # regexps (?(condition)yes-expression|no-expression).
++ # \0 is used to hack concatenation with '*' later in the code.
++ $char_class_at_end = '.*?(.(?=(?(<b>)\]|((?(<p>)\)|\g{q})))))\0';
++ $char_class_to_complete = '\S';
++}
++
++
++# use the last used word or read the word behind the cursor
++my $word_to_complete = read_word_at_coord($self, $cursor_row, $cursor_column,
++ $char_class_to_complete);
++
++print stdout "$word_to_complete\n";
++
++if ($word_to_complete) {
++ while (1) {
++ # ignore the completed word itself
++ $self->{already_completed}{$word_to_complete} = 1;
++
++ # continue the last search or start from the current row
++ my $completion = find_match($self,
++ $word_to_complete,
++ $self->{next_row} // $cursor_row,
++ $matcher->($word_to_complete),
++ $char_class_before,
++ $char_class_at_end);
++ if ($completion) {
++ print stdout $completion."\n".join ("\n", @{$self->{highlight}})."\n";
++ }
++ else {
++ last;
++ }
++ }
++}
++
++######################################################################
++
++sub highlight_match {
++ my ($self, $linenum, $completion) = @_;
++
++ # clear_highlight($self);
++
++ my $line = @{$lines}[$linenum];
++ my $re = quotemeta $completion;
++
++ $line =~ /$re/;
++
++ my $beg = $-[0];
++ my $end = $+[0];
++
++ if ($linenum >= $lines_before_cursor)
++ {
++ $lline = $last_line - $lines_before_cursor;
++ $linenum -= $lines_before_cursor;
++ $linenum = $lline - $linenum;
++ $linenum += $lines_before_cursor;
++ }
++
++
++ $self->{highlight} = [$linenum, $beg, $end];
++}
++
++######################################################################
++
++sub read_word_at_coord {
++ my ($self, $row, $col, $char_class) = @_;
++
++ $_ = substr(@{$lines} [$row], 0, $col); # get the current line up to the cursor...
++ s/.*?($char_class*)$/$1/; # ...and read the last word from it
++ return $_;
++}
++
++######################################################################
++
++# Returns a function that takes a string and returns that string with
++# this function's argument inserted between its every two characters.
++# The resulting string is used as a regular expression matching the
++# completion candidates.
++sub generate_matcher {
++ my $regex_between = shift;
++
++ sub {
++ $_ = shift;
++
++ # sorry for this lispy code, I couldn't resist ;)
++ (join "$regex_between",
++ (map quotemeta,
++ (split //)))
++ }
++}
++
++######################################################################
++
++# Checks whether the completion found by find_match() was already
++# found and if it was, calls find_match() again to find the next
++# completion.
++#
++# Takes all the arguments that find_match() would take, to make a
++# mutually recursive call.
++sub skip_duplicates {
++ my ($self, $word_to_match, $current_row, $regexp, $char_class_before, $char_class_at_end) = @_;
++ my $completion;
++
++ if ($current_row <= $lines_before_cursor)
++ {
++ $completion = shift @{$self->{matches_in_row}}; # get the leftmost one
++ }
++ else
++ {
++ $completion = pop @{$self->{matches_in_row}}; # get the leftmost one
++ }
++
++ # check for duplicates
++ if (exists $self->{already_completed}{$completion}) {
++ # skip this completion
++ return find_match(@_);
++ } else {
++ $self->{already_completed}{$completion} = 1;
++
++ highlight_match($self,
++ $self->{next_row}+1,
++ $completion);
++
++ return $completion;
++ }
++}
++
++######################################################################
++
++# Finds the next matching completion in the row current row or above
++# while skipping duplicates using skip_duplicates().
++sub find_match {
++ my ($self, $word_to_match, $current_row, $regexp, $char_class_before, $char_class_at_end) = @_;
++ $self->{matches_in_row} //= [];
++
++ # cycle through all the matches in the current row if not starting a new search
++ if (@{$self->{matches_in_row}}) {
++ return skip_duplicates($self, $word_to_match, $current_row, $regexp, $char_class_before, $char_class_at_end);
++ }
++
++
++ my $i;
++ # search through all the rows starting with current one or one above the last checked
++ for ($i = $current_row; $i >= 0; --$i) {
++ my $line = @{$lines}[$i]; # get the line of text from the row
++
++ # if ($i == $cursor_row) {
++ # $line = substr $line, 0, $cursor_column;
++ # }
++
++ $_ = $line;
++
++ # find all the matches in the current line
++ my $match;
++ push @{$self->{matches_in_row}}, $+{match} while ($_, $match) = /
++ (.*${char_class_before})
++ (?<match>
++ ${regexp}
++ ${char_class_at_end}*
++ )
++ /ix;
++ # corner case: match at the very beginning of line
++ push @{$self->{matches_in_row}}, $+{match} if $line =~ /^(${char_class_before}){0}(?<match>$regexp$char_class_at_end*)/i;
++
++ if (@{$self->{matches_in_row}}) {
++ # remember which row should be searched next
++ $self->{next_row} = --$i;
++
++ # arguments needed for find_match() mutual recursion
++ return skip_duplicates($self, $word_to_match, $i, $regexp, $char_class_before, $char_class_at_end);
++ }
++ }
++
++ # # no more possible completions, revert to the original word
++ # undo_completion($self) if $i < 0;
++
++ return undef;
++}
+diff --git a/st.c b/st.c
+index 57c6e96..9ff8d00 100644
+--- a/st.c
++++ b/st.c
+@@ -17,6 +17,7 @@
+ #include <unistd.h>
+ #include <wchar.h>
+
++#include "autocomplete.h"
+ #include "st.h"
+ #include "win.h"
+
+@@ -2557,6 +2558,8 @@ tresize(int col, int row)
+ return;
+ }
+
++ autocomplete ((const Arg []) { ACMPL_DEACTIVATE });
++
+ /*
+ * slide screen to keep cursor where we expect it -
+ * tscrollup would work here, but we can optimize to
+@@ -2676,3 +2679,227 @@ redraw(void)
+ tfulldirt();
+ draw();
+ }
++
++void autocomplete (const Arg *arg) {
++ static _Bool active = 0;
++ int acmpl_cmdindex = arg->i;
++ static int acmpl_cmdindex_prev;
++
++ if (active == 0)
++ acmpl_cmdindex_prev = acmpl_cmdindex;
++
++ static const char * const acmpl_cmd[] = {
++ [ACMPL_DEACTIVATE] = "__DEACTIVATE__",
++ [ACMPL_WORD] = "word-complete",
++ [ACMPL_WWORD] = "WORD-complete",
++ [ACMPL_FUZZY_WORD] = "fuzzy-word-complete",
++ [ACMPL_FUZZY_WWORD] = "fuzzy-WORD-complete",
++ [ACMPL_FUZZY] = "fuzzy-complete",
++ [ACMPL_SUFFIX] = "suffix-complete",
++ [ACMPL_SURROUND] = "surround-complete",
++ [ACMPL_UNDO] = "__UNDO__",
++ };
++
++ static FILE *acmpl_exec = NULL;
++ static int acmpl_status;
++ static char *stbuffile;
++ static char *target = NULL;
++ static size_t targetlen;
++ static char *completion = NULL;
++ static size_t complen_prev = 0;
++ static int cx, cy;
++
++ if (acmpl_cmdindex == ACMPL_DEACTIVATE) {
++ if (active) {
++ active = 0;
++ pclose(acmpl_exec);
++ unlink(stbuffile);
++ free(stbuffile);
++ stbuffile = NULL;
++
++ if (complen_prev) {
++ selclear();
++ complen_prev = 0;
++ }
++ }
++ return;
++ }
++
++ if (acmpl_cmdindex == ACMPL_UNDO) {
++ if (active) {
++ active = 0;
++ pclose(acmpl_exec);
++ unlink(stbuffile);
++ free(stbuffile);
++ stbuffile = NULL;
++
++ if (complen_prev) {
++ selclear();
++ for (size_t i = 0; i < complen_prev; i++)
++ ttywrite((char[]) {'\b'}, 1, 1);
++ complen_prev = 0;
++ ttywrite(target, targetlen, 0);
++ }
++ }
++ return;
++ }
++
++ if (acmpl_cmdindex != acmpl_cmdindex_prev) {
++ if (active) {
++ acmpl_cmdindex_prev = acmpl_cmdindex;
++ goto acmpl_begin;
++ }
++ }
++
++ if (active == 0) {
++ acmpl_cmdindex_prev = acmpl_cmdindex;
++ cx = term.c.x;
++ cy = term.c.y;
++
++ char filename[] = "/tmp/st-autocomplete-XXXXXX";
++ int fd = mkstemp(filename);
++
++ if (fd == -1) {
++ perror("mkstemp");
++ return;
++ }
++
++ stbuffile = strdup(filename);
++
++ FILE *stbuf = fdopen(fd, "w");
++ if (!stbuf) {
++ perror("fdopen");
++ close(fd);
++ unlink(stbuffile);
++ free(stbuffile);
++ stbuffile = NULL;
++ return;
++ }
++
++ char *stbufline = malloc(term.col + 2);
++ if (!stbufline) {
++ perror("malloc");
++ fclose(stbuf);
++ unlink(stbuffile);
++ free(stbuffile);
++ stbuffile = NULL;
++ return;
++ }
++
++ int cxp = 0;
++ for (size_t y = 0; y < term.row; y++) {
++ if (y == term.c.y) cx += cxp * term.col;
++
++ size_t x = 0;
++ for (; x < term.col; x++)
++ utf8encode(term.line[y][x].u, stbufline + x);
++ if (term.line[y][x - 1].mode & ATTR_WRAP) {
++ x--;
++ if (y <= term.c.y) cy--;
++ cxp++;
++ } else {
++ stbufline[x] = '\n';
++ cxp = 0;
++ }
++ stbufline[x + 1] = 0;
++ fputs(stbufline, stbuf);
++ }
++
++ free(stbufline);
++ fclose(stbuf);
++
++acmpl_begin:
++ target = malloc(term.col + 1);
++ completion = malloc(term.col + 1);
++ if (!target || !completion) {
++ perror("malloc");
++ free(target);
++ free(completion);
++ unlink(stbuffile);
++ free(stbuffile);
++ stbuffile = NULL;
++ return;
++ }
++
++ char acmpl[1500];
++ snprintf(acmpl, sizeof(acmpl),
++ "cat %s | st-autocomplete %s %d %d",
++ stbuffile, acmpl_cmd[acmpl_cmdindex], cy, cx);
++
++ acmpl_exec = popen(acmpl, "r");
++ if (!acmpl_exec) {
++ perror("popen");
++ free(target);
++ free(completion);
++ unlink(stbuffile);
++ free(stbuffile);
++ stbuffile = NULL;
++ return;
++ }
++
++ if (fscanf(acmpl_exec, "%s\n", target) != 1) {
++ perror("fscanf");
++ pclose(acmpl_exec);
++ free(target);
++ free(completion);
++ unlink(stbuffile);
++ free(stbuffile);
++ stbuffile = NULL;
++ return;
++ }
++ targetlen = strlen(target);
++ }
++
++ unsigned line, beg, end;
++
++ acmpl_status = fscanf(acmpl_exec, "%[^\n]\n%u\n%u\n%u\n", completion, &line, &beg, &end);
++ if (acmpl_status == EOF) {
++ if (active == 0) {
++ pclose(acmpl_exec);
++ free(target);
++ free(completion);
++ unlink(stbuffile);
++ free(stbuffile);
++ stbuffile = NULL;
++ return;
++ }
++ active = 0;
++ pclose(acmpl_exec);
++ ttywrite(target, targetlen, 0);
++ goto acmpl_begin;
++ }
++
++ active = 1;
++
++ if (complen_prev == 0) {
++ for (size_t i = 0; i < targetlen; i++)
++ ttywrite((char[]) {'\b'}, 1, 1);
++ } else {
++ selclear();
++ for (size_t i = 0; i < complen_prev; i++)
++ ttywrite((char[]) {'\b'}, 1, 1);
++ complen_prev = 0;
++ }
++
++ complen_prev = strlen(completion);
++ ttywrite(completion, complen_prev, 0);
++
++ if (line == cy && beg > cx) {
++ beg += complen_prev - targetlen;
++ end += complen_prev - targetlen;
++ }
++
++ end--;
++
++ int wl = 0;
++ int tl = line;
++ for (int l = 0; l < tl; l++)
++ if (term.line[l][term.col - 1].mode & ATTR_WRAP) {
++ wl++;
++ tl++;
++ }
++
++ selstart(beg % term.col, line + wl + beg / term.col, 0);
++ selextend(end % term.col, line + wl + end / term.col, 1, 0);
++ xsetsel(getsel());
++}
+diff --git a/st.h b/st.h
+index fd3b0d8..113ebad 100644
+--- a/st.h
++++ b/st.h
+@@ -77,6 +77,8 @@ typedef union {
+ const char *s;
+ } Arg;
+
++void autocomplete (const Arg *);
++
+ void die(const char *, ...);
+ void redraw(void);
+ void draw(void);
+diff --git a/x.c b/x.c
+index bd23686..c647721 100644
+--- a/x.c
++++ b/x.c
+@@ -1859,11 +1859,20 @@ kpress(XEvent *ev)
+ /* 1. shortcuts */
+ for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
+ if (ksym == bp->keysym && match(bp->mod, e->state)) {
++ if (bp -> func != autocomplete)
++ autocomplete ((const Arg []) { ACMPL_DEACTIVATE });
+ bp->func(&(bp->arg));
+ return;
+ }
+ }
+
++ if (!(
++ len == 0 &&
++ e -> state & ~ignoremod // ACMPL_ISSUE: I'm not sure that this is the right way
++ | ACMPL_MOD == ACMPL_MOD
++ ))
++ autocomplete ((const Arg []) { ACMPL_DEACTIVATE });
++
+ /* 2. custom keys from config.h */
+ if ((customkey = kmap(ksym, e->state))) {
+ ttywrite(customkey, strlen(customkey), 1);
+--
+2.45.2
+
diff --git a/st b/st
index c576896..e9bb4bb 100755
--- a/st
+++ b/st
Binary files differ
diff --git a/st-autocomplete b/st-autocomplete
new file mode 100644
index 0000000..0fad536
--- /dev/null
+++ b/st-autocomplete
@@ -0,0 +1,310 @@
+#!/usr/bin/perl
+#########################################################################
+# Copyright (C) 2012-2017 Wojciech Siewierski #
+# #
+# This program is free software: you can redistribute it and/or modify #
+# it under the terms of the GNU General Public License as published by #
+# the Free Software Foundation, either version 3 of the License, or #
+# (at your option) any later version. #
+# #
+# This program is distributed in the hope that it will be useful, #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
+# GNU General Public License for more details. #
+# #
+# You should have received a copy of the GNU General Public License #
+# along with this program. If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+my ($cmd, $cursor_row, $cursor_column) = @ARGV;
+
+my $lines = [];
+my $lines1 = [];
+
+my $last_line = -1;
+my $lines_before_cursor = 0;
+
+while (<stdin>)
+{
+ $last_line++;
+
+ s/[^[:print:]]/?/g;
+
+ if ($last_line < $cursor_row)
+ {
+ unshift @{$lines1}, $_;
+ $lines_before_cursor++;
+ }
+ else
+ {
+ unshift @{$lines}, $_;
+ }
+}
+
+foreach (@{$lines1})
+{
+ unshift @{$lines}, $_;
+}
+
+my $cursor_row_in = $cursor_row;
+
+$cursor_row = $last_line;
+
+
+$self = {};
+
+# A reference to a function that transforms the completed word
+# into a regex matching the completions. Usually generated by
+# generate_matcher().
+#
+# For example
+# $fun = generate_matcher(".*");
+# $fun->("foo");
+# would return "f.*o.*o"
+#
+# In other words, indirectly decides which characters can
+# appear in the completion.
+my $matcher;
+
+# A regular expression matching a character before each match.
+# For example, it you want to match the text after a
+# whitespace, set it to "\s".
+my $char_class_before;
+
+# A regular expression matching every character in the entered
+# text that will be used to find matching completions. Usually
+# "\w" or similar.
+my $char_class_to_complete;
+
+# A regular expression matching every allowed last character
+# of the completion (uses greedy matching).
+my $char_class_at_end;
+
+if ($cmd eq 'word-complete') {
+ # Basic word completion. Completes the current word
+ # without any special matching.
+ $char_class_before = '[^-\w]';
+ $matcher = sub { quotemeta shift }; # identity
+ $char_class_at_end = '[-\w]';
+ $char_class_to_complete = '[-\w]';
+} elsif ($cmd eq 'WORD-complete') {
+ # The same as above but in the Vim meaning of a "WORD" --
+ # whitespace delimited.
+ $char_class_before = '\s';
+ $matcher = sub { quotemeta shift };
+ $char_class_at_end = '\S';
+ $char_class_to_complete = '\S';
+} elsif ($cmd eq 'fuzzy-word-complete' ||
+ $cmd eq 'skeleton-word-complete') {
+ # Fuzzy completion of the current word.
+ $char_class_before = '[^-\w]';
+ $matcher = generate_matcher('[-\w]*');
+ $char_class_at_end = '[-\w]';
+ $char_class_to_complete = '[-\w]';
+} elsif ($cmd eq 'fuzzy-WORD-complete') {
+ # Fuzzy completion of the current WORD.
+ $char_class_before = '\s';
+ $matcher = generate_matcher('\S*');
+ $char_class_at_end = '\S';
+ $char_class_to_complete = '\S';
+} elsif ($cmd eq 'fuzzy-complete' ||
+ $cmd eq 'skeleton-complete') {
+ # Fuzzy completion of an arbitrary text.
+ $char_class_before = '\W';
+ $matcher = generate_matcher('.*?');
+ $char_class_at_end = '\w';
+ $char_class_to_complete = '\S';
+} elsif ($cmd eq 'suffix-complete') {
+ # Fuzzy completion of an completing suffixes, like
+ # completing test=hello from /blah/hello.
+ $char_class_before = '\S';
+ $matcher = generate_matcher('\S*');
+ $char_class_at_end = '\S';
+ $char_class_to_complete = '\S';
+} elsif ($cmd eq 'surround-complete') {
+ # Completing contents of quotes and braces.
+
+ # Here we are using three named groups: s, b, p for quotes, braces
+ # and parenthesis.
+ $char_class_before = '((?<q>["\'`])|(?<b>\[)|(?<p>\())';
+
+ $matcher = generate_matcher('.*?');
+
+ # Here we match text till enclosing pair, using perl conditionals in
+ # regexps (?(condition)yes-expression|no-expression).
+ # \0 is used to hack concatenation with '*' later in the code.
+ $char_class_at_end = '.*?(.(?=(?(<b>)\]|((?(<p>)\)|\g{q})))))\0';
+ $char_class_to_complete = '\S';
+}
+
+
+# use the last used word or read the word behind the cursor
+my $word_to_complete = read_word_at_coord($self, $cursor_row, $cursor_column,
+ $char_class_to_complete);
+
+print stdout "$word_to_complete\n";
+
+if ($word_to_complete) {
+ while (1) {
+ # ignore the completed word itself
+ $self->{already_completed}{$word_to_complete} = 1;
+
+ # continue the last search or start from the current row
+ my $completion = find_match($self,
+ $word_to_complete,
+ $self->{next_row} // $cursor_row,
+ $matcher->($word_to_complete),
+ $char_class_before,
+ $char_class_at_end);
+ if ($completion) {
+ print stdout $completion."\n".join ("\n", @{$self->{highlight}})."\n";
+ }
+ else {
+ last;
+ }
+ }
+}
+
+######################################################################
+
+sub highlight_match {
+ my ($self, $linenum, $completion) = @_;
+
+ # clear_highlight($self);
+
+ my $line = @{$lines}[$linenum];
+ my $re = quotemeta $completion;
+
+ $line =~ /$re/;
+
+ my $beg = $-[0];
+ my $end = $+[0];
+
+ if ($linenum >= $lines_before_cursor)
+ {
+ $lline = $last_line - $lines_before_cursor;
+ $linenum -= $lines_before_cursor;
+ $linenum = $lline - $linenum;
+ $linenum += $lines_before_cursor;
+ }
+
+
+ $self->{highlight} = [$linenum, $beg, $end];
+}
+
+######################################################################
+
+sub read_word_at_coord {
+ my ($self, $row, $col, $char_class) = @_;
+
+ $_ = substr(@{$lines} [$row], 0, $col); # get the current line up to the cursor...
+ s/.*?($char_class*)$/$1/; # ...and read the last word from it
+ return $_;
+}
+
+######################################################################
+
+# Returns a function that takes a string and returns that string with
+# this function's argument inserted between its every two characters.
+# The resulting string is used as a regular expression matching the
+# completion candidates.
+sub generate_matcher {
+ my $regex_between = shift;
+
+ sub {
+ $_ = shift;
+
+ # sorry for this lispy code, I couldn't resist ;)
+ (join "$regex_between",
+ (map quotemeta,
+ (split //)))
+ }
+}
+
+######################################################################
+
+# Checks whether the completion found by find_match() was already
+# found and if it was, calls find_match() again to find the next
+# completion.
+#
+# Takes all the arguments that find_match() would take, to make a
+# mutually recursive call.
+sub skip_duplicates {
+ my ($self, $word_to_match, $current_row, $regexp, $char_class_before, $char_class_at_end) = @_;
+ my $completion;
+
+ if ($current_row <= $lines_before_cursor)
+ {
+ $completion = shift @{$self->{matches_in_row}}; # get the leftmost one
+ }
+ else
+ {
+ $completion = pop @{$self->{matches_in_row}}; # get the leftmost one
+ }
+
+ # check for duplicates
+ if (exists $self->{already_completed}{$completion}) {
+ # skip this completion
+ return find_match(@_);
+ } else {
+ $self->{already_completed}{$completion} = 1;
+
+ highlight_match($self,
+ $self->{next_row}+1,
+ $completion);
+
+ return $completion;
+ }
+}
+
+######################################################################
+
+# Finds the next matching completion in the row current row or above
+# while skipping duplicates using skip_duplicates().
+sub find_match {
+ my ($self, $word_to_match, $current_row, $regexp, $char_class_before, $char_class_at_end) = @_;
+ $self->{matches_in_row} //= [];
+
+ # cycle through all the matches in the current row if not starting a new search
+ if (@{$self->{matches_in_row}}) {
+ return skip_duplicates($self, $word_to_match, $current_row, $regexp, $char_class_before, $char_class_at_end);
+ }
+
+
+ my $i;
+ # search through all the rows starting with current one or one above the last checked
+ for ($i = $current_row; $i >= 0; --$i) {
+ my $line = @{$lines}[$i]; # get the line of text from the row
+
+ # if ($i == $cursor_row) {
+ # $line = substr $line, 0, $cursor_column;
+ # }
+
+ $_ = $line;
+
+ # find all the matches in the current line
+ my $match;
+ push @{$self->{matches_in_row}}, $+{match} while ($_, $match) = /
+ (.*${char_class_before})
+ (?<match>
+ ${regexp}
+ ${char_class_at_end}*
+ )
+ /ix;
+ # corner case: match at the very beginning of line
+ push @{$self->{matches_in_row}}, $+{match} if $line =~ /^(${char_class_before}){0}(?<match>$regexp$char_class_at_end*)/i;
+
+ if (@{$self->{matches_in_row}}) {
+ # remember which row should be searched next
+ $self->{next_row} = --$i;
+
+ # arguments needed for find_match() mutual recursion
+ return skip_duplicates($self, $word_to_match, $i, $regexp, $char_class_before, $char_class_at_end);
+ }
+ }
+
+ # # no more possible completions, revert to the original word
+ # undo_completion($self) if $i < 0;
+
+ return undef;
+}
diff --git a/st.c b/st.c
index a92700a..1b911b7 100644
--- a/st.c
+++ b/st.c
@@ -17,6 +17,7 @@
#include <unistd.h>
#include <wchar.h>
+#include "autocomplete.h"
#include "st.h"
#include "win.h"
@@ -2628,6 +2629,8 @@ tresize(int col, int row)
return;
}
+ autocomplete ((const Arg []) { ACMPL_DEACTIVATE });
+
/*
* slide screen to keep cursor where we expect it -
* tscrollup would work here, but we can optimize to
@@ -2756,3 +2759,227 @@ redraw(void)
tfulldirt();
draw();
}
+
+void autocomplete (const Arg *arg) {
+ static _Bool active = 0;
+ int acmpl_cmdindex = arg->i;
+ static int acmpl_cmdindex_prev;
+
+ if (active == 0)
+ acmpl_cmdindex_prev = acmpl_cmdindex;
+
+ static const char * const acmpl_cmd[] = {
+ [ACMPL_DEACTIVATE] = "__DEACTIVATE__",
+ [ACMPL_WORD] = "word-complete",
+ [ACMPL_WWORD] = "WORD-complete",
+ [ACMPL_FUZZY_WORD] = "fuzzy-word-complete",
+ [ACMPL_FUZZY_WWORD] = "fuzzy-WORD-complete",
+ [ACMPL_FUZZY] = "fuzzy-complete",
+ [ACMPL_SUFFIX] = "suffix-complete",
+ [ACMPL_SURROUND] = "surround-complete",
+ [ACMPL_UNDO] = "__UNDO__",
+ };
+
+ static FILE *acmpl_exec = NULL;
+ static int acmpl_status;
+ static char *stbuffile;
+ static char *target = NULL;
+ static size_t targetlen;
+ static char *completion = NULL;
+ static size_t complen_prev = 0;
+ static int cx, cy;
+
+ if (acmpl_cmdindex == ACMPL_DEACTIVATE) {
+ if (active) {
+ active = 0;
+ pclose(acmpl_exec);
+ unlink(stbuffile);
+ free(stbuffile);
+ stbuffile = NULL;
+
+ if (complen_prev) {
+ selclear();
+ complen_prev = 0;
+ }
+ }
+ return;
+ }
+
+ if (acmpl_cmdindex == ACMPL_UNDO) {
+ if (active) {
+ active = 0;
+ pclose(acmpl_exec);
+ unlink(stbuffile);
+ free(stbuffile);
+ stbuffile = NULL;
+
+ if (complen_prev) {
+ selclear();
+ for (size_t i = 0; i < complen_prev; i++)
+ ttywrite((char[]) {'\b'}, 1, 1);
+ complen_prev = 0;
+ ttywrite(target, targetlen, 0);
+ }
+ }
+ return;
+ }
+
+ if (acmpl_cmdindex != acmpl_cmdindex_prev) {
+ if (active) {
+ acmpl_cmdindex_prev = acmpl_cmdindex;
+ goto acmpl_begin;
+ }
+ }
+
+ if (active == 0) {
+ acmpl_cmdindex_prev = acmpl_cmdindex;
+ cx = term.c.x;
+ cy = term.c.y;
+
+ char filename[] = "/tmp/st-autocomplete-XXXXXX";
+ int fd = mkstemp(filename);
+
+ if (fd == -1) {
+ perror("mkstemp");
+ return;
+ }
+
+ stbuffile = strdup(filename);
+
+ FILE *stbuf = fdopen(fd, "w");
+ if (!stbuf) {
+ perror("fdopen");
+ close(fd);
+ unlink(stbuffile);
+ free(stbuffile);
+ stbuffile = NULL;
+ return;
+ }
+
+ char *stbufline = malloc(term.col + 2);
+ if (!stbufline) {
+ perror("malloc");
+ fclose(stbuf);
+ unlink(stbuffile);
+ free(stbuffile);
+ stbuffile = NULL;
+ return;
+ }
+
+ int cxp = 0;
+ for (size_t y = 0; y < term.row; y++) {
+ if (y == term.c.y) cx += cxp * term.col;
+
+ size_t x = 0;
+ for (; x < term.col; x++)
+ utf8encode(term.line[y][x].u, stbufline + x);
+ if (term.line[y][x - 1].mode & ATTR_WRAP) {
+ x--;
+ if (y <= term.c.y) cy--;
+ cxp++;
+ } else {
+ stbufline[x] = '\n';
+ cxp = 0;
+ }
+ stbufline[x + 1] = 0;
+ fputs(stbufline, stbuf);
+ }
+
+ free(stbufline);
+ fclose(stbuf);
+
+acmpl_begin:
+ target = malloc(term.col + 1);
+ completion = malloc(term.col + 1);
+ if (!target || !completion) {
+ perror("malloc");
+ free(target);
+ free(completion);
+ unlink(stbuffile);
+ free(stbuffile);
+ stbuffile = NULL;
+ return;
+ }
+
+ char acmpl[1500];
+ snprintf(acmpl, sizeof(acmpl),
+ "cat %s | st-autocomplete %s %d %d",
+ stbuffile, acmpl_cmd[acmpl_cmdindex], cy, cx);
+
+ acmpl_exec = popen(acmpl, "r");
+ if (!acmpl_exec) {
+ perror("popen");
+ free(target);
+ free(completion);
+ unlink(stbuffile);
+ free(stbuffile);
+ stbuffile = NULL;
+ return;
+ }
+
+ if (fscanf(acmpl_exec, "%s\n", target) != 1) {
+ perror("fscanf");
+ pclose(acmpl_exec);
+ free(target);
+ free(completion);
+ unlink(stbuffile);
+ free(stbuffile);
+ stbuffile = NULL;
+ return;
+ }
+ targetlen = strlen(target);
+ }
+
+ unsigned line, beg, end;
+
+ acmpl_status = fscanf(acmpl_exec, "%[^\n]\n%u\n%u\n%u\n", completion, &line, &beg, &end);
+ if (acmpl_status == EOF) {
+ if (active == 0) {
+ pclose(acmpl_exec);
+ free(target);
+ free(completion);
+ unlink(stbuffile);
+ free(stbuffile);
+ stbuffile = NULL;
+ return;
+ }
+ active = 0;
+ pclose(acmpl_exec);
+ ttywrite(target, targetlen, 0);
+ goto acmpl_begin;
+ }
+
+ active = 1;
+
+ if (complen_prev == 0) {
+ for (size_t i = 0; i < targetlen; i++)
+ ttywrite((char[]) {'\b'}, 1, 1);
+ } else {
+ selclear();
+ for (size_t i = 0; i < complen_prev; i++)
+ ttywrite((char[]) {'\b'}, 1, 1);
+ complen_prev = 0;
+ }
+
+ complen_prev = strlen(completion);
+ ttywrite(completion, complen_prev, 0);
+
+ if (line == cy && beg > cx) {
+ beg += complen_prev - targetlen;
+ end += complen_prev - targetlen;
+ }
+
+ end--;
+
+ int wl = 0;
+ int tl = line;
+ for (int l = 0; l < tl; l++)
+ if (term.line[l][term.col - 1].mode & ATTR_WRAP) {
+ wl++;
+ tl++;
+ }
+
+ selstart(beg % term.col, line + wl + beg / term.col, 0);
+ selextend(end % term.col, line + wl + end / term.col, 1, 0);
+ xsetsel(getsel());
+}
diff --git a/st.h b/st.h
index aef72ef..c0ebf14 100644
--- a/st.h
+++ b/st.h
@@ -77,6 +77,8 @@ typedef union {
const char *s;
} Arg;
+void autocomplete (const Arg *);
+
void die(const char *, ...);
void redraw(void);
void draw(void);
diff --git a/st.o b/st.o
index 26d9062..c6fad4f 100644
--- a/st.o
+++ b/st.o
Binary files differ
diff --git a/x.c b/x.c
index f0c0837..92f9be3 100644
--- a/x.c
+++ b/x.c
@@ -82,6 +82,7 @@ typedef XftGlyphFontSpec GlyphFontSpec;
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 */
@@ -332,7 +333,7 @@ ttysend(const Arg *arg)
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;
}
@@ -340,7 +341,7 @@ evcol(XEvent *e)
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;
}
@@ -741,6 +742,9 @@ cresize(int width, int height)
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);
@@ -871,8 +875,8 @@ xhints(void)
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;
@@ -1154,8 +1158,8 @@ xinit(int cols, int rows)
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)
@@ -1247,7 +1251,7 @@ xinit(int cols, int rows)
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;
@@ -1380,7 +1384,7 @@ void
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;
@@ -1470,17 +1474,17 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
/* 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. */
@@ -1574,35 +1578,35 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
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);
}
}
@@ -1864,11 +1868,20 @@ kpress(XEvent *ev)
/* 1. shortcuts */
for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
if (ksym == bp->keysym && match(bp->mod, e->state)) {
+ if (bp -> func != autocomplete)
+ autocomplete ((const Arg []) { ACMPL_DEACTIVATE });
bp->func(&(bp->arg));
return;
}
}
+ if (!(
+ len == 0 &&
+ e -> state & ~ignoremod // ACMPL_ISSUE: I'm not sure that this is the right way
+ | ACMPL_MOD == ACMPL_MOD
+ ))
+ autocomplete ((const Arg []) { ACMPL_DEACTIVATE });
+
/* 2. custom keys from config.h */
if ((customkey = kmap(ksym, e->state))) {
ttywrite(customkey, strlen(customkey), 1);
diff --git a/x.c.orig b/x.c.orig
new file mode 100644
index 0000000..bbef7fa
--- /dev/null
+++ b/x.c.orig
@@ -0,0 +1,2119 @@
+/* See LICENSE for license details. */
+#include <errno.h>
+#include <math.h>
+#include <limits.h>
+#include <locale.h>
+#include <signal.h>
+#include <sys/select.h>
+#include <time.h>
+#include <unistd.h>
+#include <libgen.h>
+#include <X11/Xatom.h>
+#include <X11/Xlib.h>
+#include <X11/cursorfont.h>
+#include <X11/keysym.h>
+#include <X11/Xft/Xft.h>
+#include <X11/XKBlib.h>
+
+char *argv0;
+#include "arg.h"
+#include "st.h"
+#include "win.h"
+
+/* types used in config.h */
+typedef struct {
+ uint mod;
+ KeySym keysym;
+ void (*func)(const Arg *);
+ const Arg arg;
+} Shortcut;
+
+typedef struct {
+ uint mod;
+ uint button;
+ void (*func)(const Arg *);
+ const Arg arg;
+ uint release;
+ int altscrn; /* 0: don't care, -1: not alt screen, 1: alt screen */
+} MouseShortcut;
+
+typedef struct {
+ KeySym k;
+ uint mask;
+ char *s;
+ /* three-valued logic variables: 0 indifferent, 1 on, -1 off */
+ signed char appkey; /* application keypad */
+ signed char appcursor; /* application cursor */
+} Key;
+
+/* X modifiers */
+#define XK_ANY_MOD UINT_MAX
+#define XK_NO_MOD 0
+#define XK_SWITCH_MOD (1<<13|1<<14)
+
+/* function definitions used in config.h */
+static void clipcopy(const Arg *);
+static void clippaste(const Arg *);
+static void numlock(const Arg *);
+static void selpaste(const Arg *);
+static void zoom(const Arg *);
+static void zoomabs(const Arg *);
+static void zoomreset(const Arg *);
+static void ttysend(const Arg *);
+
+/* config.h for applying patches and the configuration. */
+#include "config.h"
+
+/* XEMBED messages */
+#define XEMBED_FOCUS_IN 4
+#define XEMBED_FOCUS_OUT 5
+
+/* macros */
+#define IS_SET(flag) ((win.mode & (flag)) != 0)
+#define TRUERED(x) (((x) & 0xff0000) >> 8)
+#define TRUEGREEN(x) (((x) & 0xff00))
+#define TRUEBLUE(x) (((x) & 0xff) << 8)
+
+typedef XftDraw *Draw;
+typedef XftColor Color;
+typedef XftGlyphFontSpec GlyphFontSpec;
+
+/* Purely graphic info */
+typedef struct {
+ int tw, th; /* tty width and height */
+ int w, h; /* window width and height */
+ int ch; /* char height */
+ int cw; /* char width */
+ int mode; /* window state/mode flags */
+ int cursor; /* cursor style */
+} TermWindow;
+
+typedef struct {
+ Display *dpy;
+ Colormap cmap;
+ Window win;
+ Drawable buf;
+ GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
+ Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid;
+ struct {
+ XIM xim;
+ XIC xic;
+ XPoint spot;
+ XVaNestedList spotlist;
+ } ime;
+ Draw draw;
+ Visual *vis;
+ XSetWindowAttributes attrs;
+ int scr;
+ int isfixed; /* is fixed geometry? */
+ int l, t; /* left and top offset */
+ int gm; /* geometry mask */
+} XWindow;
+
+typedef struct {
+ Atom xtarget;
+ char *primary, *clipboard;
+ struct timespec tclick1;
+ struct timespec tclick2;
+} XSelection;
+
+/* Font structure */
+#define Font Font_
+typedef struct {
+ int height;
+ int width;
+ int ascent;
+ int descent;
+ int badslant;
+ int badweight;
+ short lbearing;
+ short rbearing;
+ XftFont *match;
+ FcFontSet *set;
+ FcPattern *pattern;
+} Font;
+
+/* Drawing Context */
+typedef struct {
+ Color *col;
+ size_t collen;
+ Font font, bfont, ifont, ibfont;
+ GC gc;
+} DC;
+
+static inline ushort sixd_to_16bit(int);
+static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
+static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
+static void xdrawglyph(Glyph, int, int);
+static void xclear(int, int, int, int);
+static int xgeommasktogravity(int);
+static int ximopen(Display *);
+static void ximinstantiate(Display *, XPointer, XPointer);
+static void ximdestroy(XIM, XPointer, XPointer);
+static int xicdestroy(XIC, XPointer, XPointer);
+static void xinit(int, int);
+static void cresize(int, int);
+static void xresize(int, int);
+static void xhints(void);
+static int xloadcolor(int, const char *, Color *);
+static int xloadfont(Font *, FcPattern *);
+static void xloadfonts(const char *, double);
+static void xunloadfont(Font *);
+static void xunloadfonts(void);
+static void xsetenv(void);
+static void xseturgency(int);
+static int evcol(XEvent *);
+static int evrow(XEvent *);
+
+static void expose(XEvent *);
+static void visibility(XEvent *);
+static void unmap(XEvent *);
+static void kpress(XEvent *);
+static void cmessage(XEvent *);
+static void resize(XEvent *);
+static void focus(XEvent *);
+static uint buttonmask(uint);
+static int mouseaction(XEvent *, uint);
+static void brelease(XEvent *);
+static void bpress(XEvent *);
+static void bmotion(XEvent *);
+static void propnotify(XEvent *);
+static void selnotify(XEvent *);
+static void selclear_(XEvent *);
+static void selrequest(XEvent *);
+static void setsel(char *, Time);
+static void mousesel(XEvent *, int);
+static void mousereport(XEvent *);
+static char *kmap(KeySym, uint);
+static int match(uint, uint);
+
+static void run(void);
+static void usage(void);
+
+static void (*handler[LASTEvent])(XEvent *) = {
+ [KeyPress] = kpress,
+ [ClientMessage] = cmessage,
+ [ConfigureNotify] = resize,
+ [VisibilityNotify] = visibility,
+ [UnmapNotify] = unmap,
+ [Expose] = expose,
+ [FocusIn] = focus,
+ [FocusOut] = focus,
+ [MotionNotify] = bmotion,
+ [ButtonPress] = bpress,
+ [ButtonRelease] = brelease,
+/*
+ * Uncomment if you want the selection to disappear when you select something
+ * different in another window.
+ */
+/* [SelectionClear] = selclear_, */
+ [SelectionNotify] = selnotify,
+/*
+ * PropertyNotify is only turned on when there is some INCR transfer happening
+ * for the selection retrieval.
+ */
+ [PropertyNotify] = propnotify,
+ [SelectionRequest] = selrequest,
+};
+
+/* Globals */
+static DC dc;
+static XWindow xw;
+static XSelection xsel;
+static TermWindow win;
+
+/* Font Ring Cache */
+enum {
+ FRC_NORMAL,
+ FRC_ITALIC,
+ FRC_BOLD,
+ FRC_ITALICBOLD
+};
+
+typedef struct {
+ XftFont *font;
+ int flags;
+ Rune unicodep;
+} Fontcache;
+
+/* Fontcache is an array now. A new font will be appended to the array. */
+static Fontcache *frc = NULL;
+static int frclen = 0;
+static int frccap = 0;
+static char *usedfont = NULL;
+static double usedfontsize = 0;
+static double defaultfontsize = 0;
+
+static char *opt_class = NULL;
+static char **opt_cmd = NULL;
+static char *opt_embed = NULL;
+static char *opt_font = NULL;
+static char *opt_io = NULL;
+static char *opt_line = NULL;
+static char *opt_name = NULL;
+static char *opt_title = NULL;
+
+static uint buttons; /* bit field of pressed buttons */
+
+void
+clipcopy(const Arg *dummy)
+{
+ Atom clipboard;
+
+ free(xsel.clipboard);
+ xsel.clipboard = NULL;
+
+ if (xsel.primary != NULL) {
+ xsel.clipboard = xstrdup(xsel.primary);
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
+ }
+}
+
+void
+clippaste(const Arg *dummy)
+{
+ Atom clipboard;
+
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard,
+ xw.win, CurrentTime);
+}
+
+void
+selpaste(const Arg *dummy)
+{
+ XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY,
+ xw.win, CurrentTime);
+}
+
+void
+numlock(const Arg *dummy)
+{
+ win.mode ^= MODE_NUMLOCK;
+}
+
+void
+zoom(const Arg *arg)
+{
+ Arg larg;
+
+ larg.f = usedfontsize + arg->f;
+ zoomabs(&larg);
+}
+
+void
+zoomabs(const Arg *arg)
+{
+ xunloadfonts();
+ xloadfonts(usedfont, arg->f);
+ cresize(0, 0);
+ redraw();
+ xhints();
+}
+
+void
+zoomreset(const Arg *arg)
+{
+ Arg larg;
+
+ if (defaultfontsize > 0) {
+ larg.f = defaultfontsize;
+ zoomabs(&larg);
+ }
+}
+
+void
+ttysend(const Arg *arg)
+{
+ ttywrite(arg->s, strlen(arg->s), 1);
+}
+
+int
+evcol(XEvent *e)
+{
+ int x = e->xbutton.x - borderpx;
+ LIMIT(x, 0, win.tw - 1);
+ return x / win.cw;
+}
+
+int
+evrow(XEvent *e)
+{
+ int y = e->xbutton.y - borderpx;
+ LIMIT(y, 0, win.th - 1);
+ return y / win.ch;
+}
+
+void
+mousesel(XEvent *e, int done)
+{
+ int type, seltype = SEL_REGULAR;
+ uint state = e->xbutton.state & ~(Button1Mask | forcemousemod);
+
+ for (type = 1; type < LEN(selmasks); ++type) {
+ if (match(selmasks[type], state)) {
+ seltype = type;
+ break;
+ }
+ }
+ selextend(evcol(e), evrow(e), seltype, done);
+ if (done)
+ setsel(getsel(), e->xbutton.time);
+}
+
+void
+mousereport(XEvent *e)
+{
+ int len, btn, code;
+ int x = evcol(e), y = evrow(e);
+ int state = e->xbutton.state;
+ char buf[40];
+ static int ox, oy;
+
+ if (e->type == MotionNotify) {
+ if (x == ox && y == oy)
+ return;
+ if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
+ return;
+ /* MODE_MOUSEMOTION: no reporting if no button is pressed */
+ if (IS_SET(MODE_MOUSEMOTION) && buttons == 0)
+ return;
+ /* Set btn to lowest-numbered pressed button, or 12 if no
+ * buttons are pressed. */
+ for (btn = 1; btn <= 11 && !(buttons & (1<<(btn-1))); btn++)
+ ;
+ code = 32;
+ } else {
+ btn = e->xbutton.button;
+ /* Only buttons 1 through 11 can be encoded */
+ if (btn < 1 || btn > 11)
+ return;
+ if (e->type == ButtonRelease) {
+ /* MODE_MOUSEX10: no button release reporting */
+ if (IS_SET(MODE_MOUSEX10))
+ return;
+ /* Don't send release events for the scroll wheel */
+ if (btn == 4 || btn == 5)
+ return;
+ }
+ code = 0;
+ }
+
+ ox = x;
+ oy = y;
+
+ /* Encode btn into code. If no button is pressed for a motion event in
+ * MODE_MOUSEMANY, then encode it as a release. */
+ if ((!IS_SET(MODE_MOUSESGR) && e->type == ButtonRelease) || btn == 12)
+ code += 3;
+ else if (btn >= 8)
+ code += 128 + btn - 8;
+ else if (btn >= 4)
+ code += 64 + btn - 4;
+ else
+ code += btn - 1;
+
+ if (!IS_SET(MODE_MOUSEX10)) {
+ code += ((state & ShiftMask ) ? 4 : 0)
+ + ((state & Mod1Mask ) ? 8 : 0) /* meta key: alt */
+ + ((state & ControlMask) ? 16 : 0);
+ }
+
+ if (IS_SET(MODE_MOUSESGR)) {
+ len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
+ code, x+1, y+1,
+ e->type == ButtonRelease ? 'm' : 'M');
+ } else if (x < 223 && y < 223) {
+ len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
+ 32+code, 32+x+1, 32+y+1);
+ } else {
+ return;
+ }
+
+ ttywrite(buf, len, 0);
+}
+
+uint
+buttonmask(uint button)
+{
+ return button == Button1 ? Button1Mask
+ : button == Button2 ? Button2Mask
+ : button == Button3 ? Button3Mask
+ : button == Button4 ? Button4Mask
+ : button == Button5 ? Button5Mask
+ : 0;
+}
+
+int
+mouseaction(XEvent *e, uint release)
+{
+ MouseShortcut *ms;
+
+ /* ignore Button<N>mask for Button<N> - it's set on release */
+ uint state = e->xbutton.state & ~buttonmask(e->xbutton.button);
+
+ for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
+ if (ms->release == release &&
+ ms->button == e->xbutton.button &&
+ (!ms->altscrn || (ms->altscrn == (tisaltscr() ? 1 : -1))) &&
+ (match(ms->mod, state) || /* exact or forced */
+ match(ms->mod, state & ~forcemousemod))) {
+ ms->func(&(ms->arg));
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+void
+bpress(XEvent *e)
+{
+ int btn = e->xbutton.button;
+ struct timespec now;
+ int snap;
+
+ if (1 <= btn && btn <= 11)
+ buttons |= 1 << (btn-1);
+
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
+ mousereport(e);
+ return;
+ }
+
+ if (mouseaction(e, 0))
+ return;
+
+ if (btn == Button1) {
+ /*
+ * If the user clicks below predefined timeouts specific
+ * snapping behaviour is exposed.
+ */
+ clock_gettime(CLOCK_MONOTONIC, &now);
+ if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) {
+ snap = SNAP_LINE;
+ } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) {
+ snap = SNAP_WORD;
+ } else {
+ snap = 0;
+ }
+ xsel.tclick2 = xsel.tclick1;
+ xsel.tclick1 = now;
+
+ selstart(evcol(e), evrow(e), snap);
+ }
+}
+
+void
+propnotify(XEvent *e)
+{
+ XPropertyEvent *xpev;
+ Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+
+ xpev = &e->xproperty;
+ if (xpev->state == PropertyNewValue &&
+ (xpev->atom == XA_PRIMARY ||
+ xpev->atom == clipboard)) {
+ selnotify(e);
+ }
+}
+
+void
+selnotify(XEvent *e)
+{
+ ulong nitems, ofs, rem;
+ int format;
+ uchar *data, *last, *repl;
+ Atom type, incratom, property = None;
+
+ incratom = XInternAtom(xw.dpy, "INCR", 0);
+
+ ofs = 0;
+ if (e->type == SelectionNotify)
+ property = e->xselection.property;
+ else if (e->type == PropertyNotify)
+ property = e->xproperty.atom;
+
+ if (property == None)
+ return;
+
+ do {
+ if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
+ BUFSIZ/4, False, AnyPropertyType,
+ &type, &format, &nitems, &rem,
+ &data)) {
+ fprintf(stderr, "Clipboard allocation failed\n");
+ return;
+ }
+
+ if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
+ /*
+ * If there is some PropertyNotify with no data, then
+ * this is the signal of the selection owner that all
+ * data has been transferred. We won't need to receive
+ * PropertyNotify events anymore.
+ */
+ MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
+ XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
+ &xw.attrs);
+ }
+
+ if (type == incratom) {
+ /*
+ * Activate the PropertyNotify events so we receive
+ * when the selection owner does send us the next
+ * chunk of data.
+ */
+ MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
+ XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
+ &xw.attrs);
+
+ /*
+ * Deleting the property is the transfer start signal.
+ */
+ XDeleteProperty(xw.dpy, xw.win, (int)property);
+ continue;
+ }
+
+ /*
+ * As seen in getsel:
+ * Line endings are inconsistent in the terminal and GUI world
+ * copy and pasting. When receiving some selection data,
+ * replace all '\n' with '\r'.
+ * FIXME: Fix the computer world.
+ */
+ repl = data;
+ last = data + nitems * format / 8;
+ while ((repl = memchr(repl, '\n', last - repl))) {
+ *repl++ = '\r';
+ }
+
+ if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
+ ttywrite("\033[200~", 6, 0);
+ ttywrite((char *)data, nitems * format / 8, 1);
+ if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
+ ttywrite("\033[201~", 6, 0);
+ XFree(data);
+ /* number of 32-bit chunks returned */
+ ofs += nitems * format / 32;
+ } while (rem > 0);
+
+ /*
+ * Deleting the property again tells the selection owner to send the
+ * next data chunk in the property.
+ */
+ XDeleteProperty(xw.dpy, xw.win, (int)property);
+}
+
+void
+xclipcopy(void)
+{
+ clipcopy(NULL);
+}
+
+void
+selclear_(XEvent *e)
+{
+ selclear();
+}
+
+void
+selrequest(XEvent *e)
+{
+ XSelectionRequestEvent *xsre;
+ XSelectionEvent xev;
+ Atom xa_targets, string, clipboard;
+ char *seltext;
+
+ xsre = (XSelectionRequestEvent *) e;
+ xev.type = SelectionNotify;
+ xev.requestor = xsre->requestor;
+ xev.selection = xsre->selection;
+ xev.target = xsre->target;
+ xev.time = xsre->time;
+ if (xsre->property == None)
+ xsre->property = xsre->target;
+
+ /* reject */
+ xev.property = None;
+
+ xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
+ if (xsre->target == xa_targets) {
+ /* respond with the supported type */
+ string = xsel.xtarget;
+ XChangeProperty(xsre->display, xsre->requestor, xsre->property,
+ XA_ATOM, 32, PropModeReplace,
+ (uchar *) &string, 1);
+ xev.property = xsre->property;
+ } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) {
+ /*
+ * xith XA_STRING non ascii characters may be incorrect in the
+ * requestor. It is not our problem, use utf8.
+ */
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ if (xsre->selection == XA_PRIMARY) {
+ seltext = xsel.primary;
+ } else if (xsre->selection == clipboard) {
+ seltext = xsel.clipboard;
+ } else {
+ fprintf(stderr,
+ "Unhandled clipboard selection 0x%lx\n",
+ xsre->selection);
+ return;
+ }
+ if (seltext != NULL) {
+ XChangeProperty(xsre->display, xsre->requestor,
+ xsre->property, xsre->target,
+ 8, PropModeReplace,
+ (uchar *)seltext, strlen(seltext));
+ xev.property = xsre->property;
+ }
+ }
+
+ /* all done, send a notification to the listener */
+ if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
+ fprintf(stderr, "Error sending SelectionNotify event\n");
+}
+
+void
+setsel(char *str, Time t)
+{
+ if (!str)
+ return;
+
+ free(xsel.primary);
+ xsel.primary = str;
+
+ XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
+ if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
+ selclear();
+}
+
+void
+xsetsel(char *str)
+{
+ setsel(str, CurrentTime);
+}
+
+void
+brelease(XEvent *e)
+{
+ int btn = e->xbutton.button;
+
+ if (1 <= btn && btn <= 11)
+ buttons &= ~(1 << (btn-1));
+
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
+ mousereport(e);
+ return;
+ }
+
+ if (mouseaction(e, 1))
+ return;
+ if (btn == Button1)
+ mousesel(e, 1);
+}
+
+void
+bmotion(XEvent *e)
+{
+ if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
+ mousereport(e);
+ return;
+ }
+
+ mousesel(e, 0);
+}
+
+void
+cresize(int width, int height)
+{
+ int col, row;
+
+ if (width != 0)
+ win.w = width;
+ if (height != 0)
+ win.h = height;
+
+ col = (win.w - 2 * borderpx) / win.cw;
+ row = (win.h - 2 * borderpx) / win.ch;
+ col = MAX(1, col);
+ row = MAX(1, row);
+
+ tresize(col, row);
+ xresize(col, row);
+ ttyresize(win.tw, win.th);
+}
+
+void
+xresize(int col, int row)
+{
+ win.tw = col * win.cw;
+ win.th = row * win.ch;
+
+ XFreePixmap(xw.dpy, xw.buf);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+ DefaultDepth(xw.dpy, xw.scr));
+ XftDrawChange(xw.draw, xw.buf);
+ xclear(0, 0, win.w, win.h);
+
+ /* resize to new width */
+ xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec));
+}
+
+ushort
+sixd_to_16bit(int x)
+{
+ return x == 0 ? 0 : 0x3737 + 0x2828 * x;
+}
+
+int
+xloadcolor(int i, const char *name, Color *ncolor)
+{
+ XRenderColor color = { .alpha = 0xffff };
+
+ if (!name) {
+ if (BETWEEN(i, 16, 255)) { /* 256 color */
+ if (i < 6*6*6+16) { /* same colors as xterm */
+ color.red = sixd_to_16bit( ((i-16)/36)%6 );
+ color.green = sixd_to_16bit( ((i-16)/6) %6 );
+ color.blue = sixd_to_16bit( ((i-16)/1) %6 );
+ } else { /* greyscale */
+ color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
+ color.green = color.blue = color.red;
+ }
+ return XftColorAllocValue(xw.dpy, xw.vis,
+ xw.cmap, &color, ncolor);
+ } else
+ name = colorname[i];
+ }
+
+ return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
+}
+
+void
+xloadcols(void)
+{
+ int i;
+ static int loaded;
+ Color *cp;
+
+ if (loaded) {
+ for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
+ XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
+ } else {
+ dc.collen = MAX(LEN(colorname), 256);
+ dc.col = xmalloc(dc.collen * sizeof(Color));
+ }
+
+ for (i = 0; i < dc.collen; i++)
+ if (!xloadcolor(i, NULL, &dc.col[i])) {
+ if (colorname[i])
+ die("could not allocate color '%s'\n", colorname[i]);
+ else
+ die("could not allocate color %d\n", i);
+ }
+ loaded = 1;
+}
+
+int
+xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b)
+{
+ if (!BETWEEN(x, 0, dc.collen - 1))
+ return 1;
+
+ *r = dc.col[x].color.red >> 8;
+ *g = dc.col[x].color.green >> 8;
+ *b = dc.col[x].color.blue >> 8;
+
+ return 0;
+}
+
+int
+xsetcolorname(int x, const char *name)
+{
+ Color ncolor;
+
+ if (!BETWEEN(x, 0, dc.collen - 1))
+ return 1;
+
+ if (!xloadcolor(x, name, &ncolor))
+ return 1;
+
+ XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
+ dc.col[x] = ncolor;
+
+ return 0;
+}
+
+/*
+ * Absolute coordinates.
+ */
+void
+xclear(int x1, int y1, int x2, int y2)
+{
+ XftDrawRect(xw.draw,
+ &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
+ x1, y1, x2-x1, y2-y1);
+}
+
+void
+xhints(void)
+{
+ XClassHint class = {opt_name ? opt_name : termname,
+ opt_class ? opt_class : termname};
+ XWMHints wm = {.flags = InputHint, .input = 1};
+ XSizeHints *sizeh;
+
+ sizeh = XAllocSizeHints();
+
+ sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize;
+ sizeh->height = win.h;
+ sizeh->width = win.w;
+ sizeh->height_inc = win.ch;
+ sizeh->width_inc = win.cw;
+ sizeh->base_height = 2 * borderpx;
+ sizeh->base_width = 2 * borderpx;
+ sizeh->min_height = win.ch + 2 * borderpx;
+ sizeh->min_width = win.cw + 2 * borderpx;
+ if (xw.isfixed) {
+ sizeh->flags |= PMaxSize;
+ sizeh->min_width = sizeh->max_width = win.w;
+ sizeh->min_height = sizeh->max_height = win.h;
+ }
+ if (xw.gm & (XValue|YValue)) {
+ sizeh->flags |= USPosition | PWinGravity;
+ sizeh->x = xw.l;
+ sizeh->y = xw.t;
+ sizeh->win_gravity = xgeommasktogravity(xw.gm);
+ }
+
+ XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
+ &class);
+ XFree(sizeh);
+}
+
+int
+xgeommasktogravity(int mask)
+{
+ switch (mask & (XNegative|YNegative)) {
+ case 0:
+ return NorthWestGravity;
+ case XNegative:
+ return NorthEastGravity;
+ case YNegative:
+ return SouthWestGravity;
+ }
+
+ return SouthEastGravity;
+}
+
+int
+xloadfont(Font *f, FcPattern *pattern)
+{
+ FcPattern *configured;
+ FcPattern *match;
+ FcResult result;
+ XGlyphInfo extents;
+ int wantattr, haveattr;
+
+ /*
+ * Manually configure instead of calling XftMatchFont
+ * so that we can use the configured pattern for
+ * "missing glyph" lookups.
+ */
+ configured = FcPatternDuplicate(pattern);
+ if (!configured)
+ return 1;
+
+ FcConfigSubstitute(NULL, configured, FcMatchPattern);
+ XftDefaultSubstitute(xw.dpy, xw.scr, configured);
+
+ match = FcFontMatch(NULL, configured, &result);
+ if (!match) {
+ FcPatternDestroy(configured);
+ return 1;
+ }
+
+ if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
+ FcPatternDestroy(configured);
+ FcPatternDestroy(match);
+ return 1;
+ }
+
+ if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) ==
+ XftResultMatch)) {
+ /*
+ * Check if xft was unable to find a font with the appropriate
+ * slant but gave us one anyway. Try to mitigate.
+ */
+ if ((XftPatternGetInteger(f->match->pattern, "slant", 0,
+ &haveattr) != XftResultMatch) || haveattr < wantattr) {
+ f->badslant = 1;
+ fputs("font slant does not match\n", stderr);
+ }
+ }
+
+ if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) ==
+ XftResultMatch)) {
+ if ((XftPatternGetInteger(f->match->pattern, "weight", 0,
+ &haveattr) != XftResultMatch) || haveattr != wantattr) {
+ f->badweight = 1;
+ fputs("font weight does not match\n", stderr);
+ }
+ }
+
+ XftTextExtentsUtf8(xw.dpy, f->match,
+ (const FcChar8 *) ascii_printable,
+ strlen(ascii_printable), &extents);
+
+ f->set = NULL;
+ f->pattern = configured;
+
+ f->ascent = f->match->ascent;
+ f->descent = f->match->descent;
+ f->lbearing = 0;
+ f->rbearing = f->match->max_advance_width;
+
+ f->height = f->ascent + f->descent;
+ f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
+
+ return 0;
+}
+
+void
+xloadfonts(const char *fontstr, double fontsize)
+{
+ FcPattern *pattern;
+ double fontval;
+
+ if (fontstr[0] == '-')
+ pattern = XftXlfdParse(fontstr, False, False);
+ else
+ pattern = FcNameParse((const FcChar8 *)fontstr);
+
+ if (!pattern)
+ die("can't open font %s\n", fontstr);
+
+ if (fontsize > 1) {
+ FcPatternDel(pattern, FC_PIXEL_SIZE);
+ FcPatternDel(pattern, FC_SIZE);
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
+ usedfontsize = fontsize;
+ } else {
+ if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
+ FcResultMatch) {
+ usedfontsize = fontval;
+ } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
+ FcResultMatch) {
+ usedfontsize = -1;
+ } else {
+ /*
+ * Default font size is 12, if none given. This is to
+ * have a known usedfontsize value.
+ */
+ FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
+ usedfontsize = 12;
+ }
+ defaultfontsize = usedfontsize;
+ }
+
+ if (xloadfont(&dc.font, pattern))
+ die("can't open font %s\n", fontstr);
+
+ if (usedfontsize < 0) {
+ FcPatternGetDouble(dc.font.match->pattern,
+ FC_PIXEL_SIZE, 0, &fontval);
+ usedfontsize = fontval;
+ if (fontsize == 0)
+ defaultfontsize = fontval;
+ }
+
+ /* Setting character width and height. */
+ win.cw = ceilf(dc.font.width * cwscale);
+ win.ch = ceilf(dc.font.height * chscale);
+
+ FcPatternDel(pattern, FC_SLANT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
+ if (xloadfont(&dc.ifont, pattern))
+ die("can't open font %s\n", fontstr);
+
+ FcPatternDel(pattern, FC_WEIGHT);
+ FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+ if (xloadfont(&dc.ibfont, pattern))
+ die("can't open font %s\n", fontstr);
+
+ FcPatternDel(pattern, FC_SLANT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
+ if (xloadfont(&dc.bfont, pattern))
+ die("can't open font %s\n", fontstr);
+
+ FcPatternDestroy(pattern);
+}
+
+void
+xunloadfont(Font *f)
+{
+ XftFontClose(xw.dpy, f->match);
+ FcPatternDestroy(f->pattern);
+ if (f->set)
+ FcFontSetDestroy(f->set);
+}
+
+void
+xunloadfonts(void)
+{
+ /* Free the loaded fonts in the font cache. */
+ while (frclen > 0)
+ XftFontClose(xw.dpy, frc[--frclen].font);
+
+ xunloadfont(&dc.font);
+ xunloadfont(&dc.bfont);
+ xunloadfont(&dc.ifont);
+ xunloadfont(&dc.ibfont);
+}
+
+int
+ximopen(Display *dpy)
+{
+ XIMCallback imdestroy = { .client_data = NULL, .callback = ximdestroy };
+ XICCallback icdestroy = { .client_data = NULL, .callback = xicdestroy };
+
+ xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
+ if (xw.ime.xim == NULL)
+ return 0;
+
+ if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, NULL))
+ fprintf(stderr, "XSetIMValues: "
+ "Could not set XNDestroyCallback.\n");
+
+ xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot,
+ NULL);
+
+ if (xw.ime.xic == NULL) {
+ xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle,
+ XIMPreeditNothing | XIMStatusNothing,
+ XNClientWindow, xw.win,
+ XNDestroyCallback, &icdestroy,
+ NULL);
+ }
+ if (xw.ime.xic == NULL)
+ fprintf(stderr, "XCreateIC: Could not create input context.\n");
+
+ return 1;
+}
+
+void
+ximinstantiate(Display *dpy, XPointer client, XPointer call)
+{
+ if (ximopen(dpy))
+ XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
+ ximinstantiate, NULL);
+}
+
+void
+ximdestroy(XIM xim, XPointer client, XPointer call)
+{
+ xw.ime.xim = NULL;
+ XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
+ ximinstantiate, NULL);
+ XFree(xw.ime.spotlist);
+}
+
+int
+xicdestroy(XIC xim, XPointer client, XPointer call)
+{
+ xw.ime.xic = NULL;
+ return 1;
+}
+
+void
+xinit(int cols, int rows)
+{
+ XGCValues gcvalues;
+ Cursor cursor;
+ Window parent, root;
+ pid_t thispid = getpid();
+ XColor xmousefg, xmousebg;
+
+ if (!(xw.dpy = XOpenDisplay(NULL)))
+ die("can't open display\n");
+ xw.scr = XDefaultScreen(xw.dpy);
+ xw.vis = XDefaultVisual(xw.dpy, xw.scr);
+
+ /* font */
+ if (!FcInit())
+ die("could not init fontconfig.\n");
+
+ usedfont = (opt_font == NULL)? font : opt_font;
+ xloadfonts(usedfont, 0);
+
+ /* colors */
+ xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
+ xloadcols();
+
+ /* adjust fixed window geometry */
+ win.w = 2 * borderpx + cols * win.cw;
+ win.h = 2 * borderpx + rows * win.ch;
+ if (xw.gm & XNegative)
+ xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
+ if (xw.gm & YNegative)
+ xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2;
+
+ /* Events */
+ xw.attrs.background_pixel = dc.col[defaultbg].pixel;
+ xw.attrs.border_pixel = dc.col[defaultbg].pixel;
+ xw.attrs.bit_gravity = NorthWestGravity;
+ xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask
+ | ExposureMask | VisibilityChangeMask | StructureNotifyMask
+ | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
+ xw.attrs.colormap = xw.cmap;
+
+ root = XRootWindow(xw.dpy, xw.scr);
+ if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+ parent = root;
+ xw.win = XCreateWindow(xw.dpy, root, xw.l, xw.t,
+ win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
+ xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
+ | CWEventMask | CWColormap, &xw.attrs);
+ if (parent != root)
+ XReparentWindow(xw.dpy, xw.win, parent, xw.l, xw.t);
+
+ memset(&gcvalues, 0, sizeof(gcvalues));
+ gcvalues.graphics_exposures = False;
+ dc.gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures,
+ &gcvalues);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+ DefaultDepth(xw.dpy, xw.scr));
+ XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+ XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
+
+ /* font spec buffer */
+ xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec));
+
+ /* Xft rendering context */
+ xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
+
+ /* input methods */
+ if (!ximopen(xw.dpy)) {
+ XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
+ ximinstantiate, NULL);
+ }
+
+ /* white cursor, black outline */
+ cursor = XCreateFontCursor(xw.dpy, mouseshape);
+ XDefineCursor(xw.dpy, xw.win, cursor);
+
+ if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
+ xmousefg.red = 0xffff;
+ xmousefg.green = 0xffff;
+ xmousefg.blue = 0xffff;
+ }
+
+ if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
+ xmousebg.red = 0x0000;
+ xmousebg.green = 0x0000;
+ xmousebg.blue = 0x0000;
+ }
+
+ XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
+
+ xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
+ xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
+ xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
+ xw.netwmiconname = XInternAtom(xw.dpy, "_NET_WM_ICON_NAME", False);
+ XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
+
+ xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
+ XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
+ PropModeReplace, (uchar *)&thispid, 1);
+
+ win.mode = MODE_NUMLOCK;
+ resettitle();
+ xhints();
+ XMapWindow(xw.dpy, xw.win);
+ XSync(xw.dpy, False);
+
+ clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1);
+ clock_gettime(CLOCK_MONOTONIC, &xsel.tclick2);
+ xsel.primary = NULL;
+ xsel.clipboard = NULL;
+ xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
+ if (xsel.xtarget == None)
+ xsel.xtarget = XA_STRING;
+}
+
+int
+xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
+{
+ float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
+ ushort mode, prevmode = USHRT_MAX;
+ Font *font = &dc.font;
+ int frcflags = FRC_NORMAL;
+ float runewidth = win.cw;
+ Rune rune;
+ FT_UInt glyphidx;
+ FcResult fcres;
+ FcPattern *fcpattern, *fontpattern;
+ FcFontSet *fcsets[] = { NULL };
+ FcCharSet *fccharset;
+ int i, f, numspecs = 0;
+
+ for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
+ /* Fetch rune and mode for current glyph. */
+ rune = glyphs[i].u;
+ mode = glyphs[i].mode;
+
+ /* Skip dummy wide-character spacing. */
+ if (mode == ATTR_WDUMMY)
+ continue;
+
+ /* Determine font for glyph if different from previous glyph. */
+ if (prevmode != mode) {
+ prevmode = mode;
+ font = &dc.font;
+ frcflags = FRC_NORMAL;
+ runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
+ if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
+ font = &dc.ibfont;
+ frcflags = FRC_ITALICBOLD;
+ } else if (mode & ATTR_ITALIC) {
+ font = &dc.ifont;
+ frcflags = FRC_ITALIC;
+ } else if (mode & ATTR_BOLD) {
+ font = &dc.bfont;
+ frcflags = FRC_BOLD;
+ }
+ yp = winy + font->ascent;
+ }
+
+ /* Lookup character index with default font. */
+ glyphidx = XftCharIndex(xw.dpy, font->match, rune);
+ if (glyphidx) {
+ specs[numspecs].font = font->match;
+ specs[numspecs].glyph = glyphidx;
+ specs[numspecs].x = (short)xp;
+ specs[numspecs].y = (short)yp;
+ xp += runewidth;
+ numspecs++;
+ continue;
+ }
+
+ /* Fallback on font cache, search the font cache for match. */
+ for (f = 0; f < frclen; f++) {
+ glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
+ /* Everything correct. */
+ if (glyphidx && frc[f].flags == frcflags)
+ break;
+ /* We got a default font for a not found glyph. */
+ if (!glyphidx && frc[f].flags == frcflags
+ && frc[f].unicodep == rune) {
+ break;
+ }
+ }
+
+ /* Nothing was found. Use fontconfig to find matching font. */
+ if (f >= frclen) {
+ if (!font->set)
+ font->set = FcFontSort(0, font->pattern,
+ 1, 0, &fcres);
+ fcsets[0] = font->set;
+
+ /*
+ * Nothing was found in the cache. Now use
+ * some dozen of Fontconfig calls to get the
+ * font for one single character.
+ *
+ * Xft and fontconfig are design failures.
+ */
+ fcpattern = FcPatternDuplicate(font->pattern);
+ fccharset = FcCharSetCreate();
+
+ FcCharSetAddChar(fccharset, rune);
+ FcPatternAddCharSet(fcpattern, FC_CHARSET,
+ fccharset);
+ FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
+
+ FcConfigSubstitute(0, fcpattern,
+ FcMatchPattern);
+ FcDefaultSubstitute(fcpattern);
+
+ fontpattern = FcFontSetMatch(0, fcsets, 1,
+ fcpattern, &fcres);
+
+ /* Allocate memory for the new cache entry. */
+ if (frclen >= frccap) {
+ frccap += 16;
+ frc = xrealloc(frc, frccap * sizeof(Fontcache));
+ }
+
+ frc[frclen].font = XftFontOpenPattern(xw.dpy,
+ fontpattern);
+ if (!frc[frclen].font)
+ die("XftFontOpenPattern failed seeking fallback font: %s\n",
+ strerror(errno));
+ frc[frclen].flags = frcflags;
+ frc[frclen].unicodep = rune;
+
+ glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
+
+ f = frclen;
+ frclen++;
+
+ FcPatternDestroy(fcpattern);
+ FcCharSetDestroy(fccharset);
+ }
+
+ specs[numspecs].font = frc[f].font;
+ specs[numspecs].glyph = glyphidx;
+ specs[numspecs].x = (short)xp;
+ specs[numspecs].y = (short)yp;
+ xp += runewidth;
+ numspecs++;
+ }
+
+ return numspecs;
+}
+
+void
+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,
+ width = charlen * win.cw;
+ Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
+ XRenderColor colfg, colbg;
+ XRectangle r;
+
+ /* Fallback on color display for attributes not supported by the font */
+ if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) {
+ if (dc.ibfont.badslant || dc.ibfont.badweight)
+ base.fg = defaultattr;
+ } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) ||
+ (base.mode & ATTR_BOLD && dc.bfont.badweight)) {
+ base.fg = defaultattr;
+ }
+
+ if (IS_TRUECOL(base.fg)) {
+ colfg.alpha = 0xffff;
+ colfg.red = TRUERED(base.fg);
+ colfg.green = TRUEGREEN(base.fg);
+ colfg.blue = TRUEBLUE(base.fg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
+ fg = &truefg;
+ } else {
+ fg = &dc.col[base.fg];
+ }
+
+ if (IS_TRUECOL(base.bg)) {
+ colbg.alpha = 0xffff;
+ colbg.green = TRUEGREEN(base.bg);
+ colbg.red = TRUERED(base.bg);
+ colbg.blue = TRUEBLUE(base.bg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
+ bg = &truebg;
+ } else {
+ bg = &dc.col[base.bg];
+ }
+
+ /* Change basic system colors [0-7] to bright system colors [8-15] */
+ if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
+ fg = &dc.col[base.fg + 8];
+
+ if (IS_SET(MODE_REVERSE)) {
+ if (fg == &dc.col[defaultfg]) {
+ fg = &dc.col[defaultbg];
+ } else {
+ colfg.red = ~fg->color.red;
+ colfg.green = ~fg->color.green;
+ colfg.blue = ~fg->color.blue;
+ colfg.alpha = fg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
+ &revfg);
+ fg = &revfg;
+ }
+
+ if (bg == &dc.col[defaultbg]) {
+ bg = &dc.col[defaultfg];
+ } else {
+ colbg.red = ~bg->color.red;
+ colbg.green = ~bg->color.green;
+ colbg.blue = ~bg->color.blue;
+ colbg.alpha = bg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
+ &revbg);
+ bg = &revbg;
+ }
+ }
+
+ if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
+ colfg.red = fg->color.red / 2;
+ colfg.green = fg->color.green / 2;
+ colfg.blue = fg->color.blue / 2;
+ colfg.alpha = fg->color.alpha;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+ fg = &revfg;
+ }
+
+ if (base.mode & ATTR_REVERSE) {
+ temp = fg;
+ fg = bg;
+ bg = temp;
+ }
+
+ if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK)
+ fg = bg;
+
+ if (base.mode & ATTR_INVISIBLE)
+ fg = bg;
+
+ /* Intelligent cleaning up of the borders. */
+ if (x == 0) {
+ xclear(0, (y == 0)? 0 : winy, borderpx,
+ winy + win.ch +
+ ((winy + win.ch >= borderpx + win.th)? win.h : 0));
+ }
+ if (winx + width >= borderpx + win.tw) {
+ xclear(winx + width, (y == 0)? 0 : winy, win.w,
+ ((winy + win.ch >= borderpx + 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, winy + win.ch, winx + width, win.h);
+
+ /* Clean up the region we want to draw to. */
+ XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
+
+ /* Set the clip region because Xft is sometimes dirty. */
+ r.x = 0;
+ r.y = 0;
+ r.height = win.ch;
+ r.width = width;
+ XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
+
+ /* Render the glyphs. */
+ XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
+
+ /* Render underline and strikethrough. */
+ if (base.mode & ATTR_UNDERLINE) {
+ XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent * chscale + 1,
+ width, 1);
+ }
+
+ if (base.mode & ATTR_STRUCK) {
+ XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent * chscale / 3,
+ width, 1);
+ }
+
+ /* Reset clip to none. */
+ XftDrawSetClip(xw.draw, 0);
+}
+
+void
+xdrawglyph(Glyph g, int x, int y)
+{
+ int numspecs;
+ XftGlyphFontSpec spec;
+
+ numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
+ xdrawglyphfontspecs(&spec, g, numspecs, x, y);
+}
+
+void
+xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
+{
+ Color drawcol;
+
+ /* remove the old cursor */
+ if (selected(ox, oy))
+ og.mode ^= ATTR_REVERSE;
+ xdrawglyph(og, ox, oy);
+
+ if (IS_SET(MODE_HIDE))
+ return;
+
+ /*
+ * Select the right color for the right mode.
+ */
+ g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE;
+
+ if (IS_SET(MODE_REVERSE)) {
+ g.mode |= ATTR_REVERSE;
+ g.bg = defaultfg;
+ if (selected(cx, cy)) {
+ drawcol = dc.col[defaultcs];
+ g.fg = defaultrcs;
+ } else {
+ drawcol = dc.col[defaultrcs];
+ g.fg = defaultcs;
+ }
+ } else {
+ if (selected(cx, cy)) {
+ g.fg = defaultfg;
+ g.bg = defaultrcs;
+ } else {
+ g.fg = defaultbg;
+ g.bg = defaultcs;
+ }
+ drawcol = dc.col[g.bg];
+ }
+
+ /* draw the new one */
+ if (IS_SET(MODE_FOCUSED)) {
+ switch (win.cursor) {
+ case 7: /* st extension */
+ g.u = 0x2603; /* snowman (U+2603) */
+ /* FALLTHROUGH */
+ case 0: /* Blinking Block */
+ case 1: /* Blinking Block (Default) */
+ case 2: /* Steady Block */
+ xdrawglyph(g, cx, cy);
+ break;
+ case 3: /* Blinking Underline */
+ case 4: /* Steady Underline */
+ XftDrawRect(xw.draw, &drawcol,
+ borderpx + cx * win.cw,
+ borderpx + (cy + 1) * win.ch - \
+ cursorthickness,
+ win.cw, cursorthickness);
+ break;
+ case 5: /* Blinking bar */
+ case 6: /* Steady bar */
+ XftDrawRect(xw.draw, &drawcol,
+ borderpx + cx * win.cw,
+ borderpx + cy * win.ch,
+ cursorthickness, win.ch);
+ break;
+ }
+ } else {
+ XftDrawRect(xw.draw, &drawcol,
+ borderpx + cx * win.cw,
+ borderpx + cy * win.ch,
+ win.cw - 1, 1);
+ XftDrawRect(xw.draw, &drawcol,
+ borderpx + cx * win.cw,
+ borderpx + cy * win.ch,
+ 1, win.ch - 1);
+ XftDrawRect(xw.draw, &drawcol,
+ borderpx + (cx + 1) * win.cw - 1,
+ borderpx + cy * win.ch,
+ 1, win.ch - 1);
+ XftDrawRect(xw.draw, &drawcol,
+ borderpx + cx * win.cw,
+ borderpx + (cy + 1) * win.ch - 1,
+ win.cw, 1);
+ }
+}
+
+void
+xsetenv(void)
+{
+ char buf[sizeof(long) * 8 + 1];
+
+ snprintf(buf, sizeof(buf), "%lu", xw.win);
+ setenv("WINDOWID", buf, 1);
+}
+
+void
+xseticontitle(char *p)
+{
+ XTextProperty prop;
+ DEFAULT(p, opt_title);
+
+ if (p[0] == '\0')
+ p = opt_title;
+
+ if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+ &prop) != Success)
+ return;
+ XSetWMIconName(xw.dpy, xw.win, &prop);
+ XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmiconname);
+ XFree(prop.value);
+}
+
+void
+xsettitle(char *p)
+{
+ XTextProperty prop;
+ DEFAULT(p, opt_title);
+
+ if (p[0] == '\0')
+ p = opt_title;
+
+ if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+ &prop) != Success)
+ return;
+ XSetWMName(xw.dpy, xw.win, &prop);
+ XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
+ XFree(prop.value);
+}
+
+int
+xstartdraw(void)
+{
+ return IS_SET(MODE_VISIBLE);
+}
+
+void
+xdrawline(Line line, int x1, int y1, int x2)
+{
+ int i, x, ox, numspecs;
+ Glyph base, new;
+ XftGlyphFontSpec *specs = xw.specbuf;
+
+ numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1);
+ i = ox = 0;
+ for (x = x1; x < x2 && i < numspecs; x++) {
+ new = line[x];
+ if (new.mode == ATTR_WDUMMY)
+ continue;
+ if (selected(x, y1))
+ new.mode ^= ATTR_REVERSE;
+ if (i > 0 && ATTRCMP(base, new)) {
+ xdrawglyphfontspecs(specs, base, i, ox, y1);
+ specs += i;
+ numspecs -= i;
+ i = 0;
+ }
+ if (i == 0) {
+ ox = x;
+ base = new;
+ }
+ i++;
+ }
+ if (i > 0)
+ xdrawglyphfontspecs(specs, base, i, ox, y1);
+}
+
+void
+xfinishdraw(void)
+{
+ XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w,
+ win.h, 0, 0);
+ XSetForeground(xw.dpy, dc.gc,
+ dc.col[IS_SET(MODE_REVERSE)?
+ defaultfg : defaultbg].pixel);
+}
+
+void
+xximspot(int x, int y)
+{
+ if (xw.ime.xic == NULL)
+ return;
+
+ xw.ime.spot.x = borderpx + x * win.cw;
+ xw.ime.spot.y = borderpx + (y + 1) * win.ch;
+
+ XSetICValues(xw.ime.xic, XNPreeditAttributes, xw.ime.spotlist, NULL);
+}
+
+void
+expose(XEvent *ev)
+{
+ redraw();
+}
+
+void
+visibility(XEvent *ev)
+{
+ XVisibilityEvent *e = &ev->xvisibility;
+
+ MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIBLE);
+}
+
+void
+unmap(XEvent *ev)
+{
+ win.mode &= ~MODE_VISIBLE;
+}
+
+void
+xsetpointermotion(int set)
+{
+ MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
+ XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
+}
+
+void
+xsetmode(int set, unsigned int flags)
+{
+ int mode = win.mode;
+ MODBIT(win.mode, set, flags);
+ if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE))
+ redraw();
+}
+
+int
+xsetcursor(int cursor)
+{
+ if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */
+ return 1;
+ win.cursor = cursor;
+ return 0;
+}
+
+void
+xseturgency(int add)
+{
+ XWMHints *h = XGetWMHints(xw.dpy, xw.win);
+
+ MODBIT(h->flags, add, XUrgencyHint);
+ XSetWMHints(xw.dpy, xw.win, h);
+ XFree(h);
+}
+
+void
+xbell(void)
+{
+ if (!(IS_SET(MODE_FOCUSED)))
+ xseturgency(1);
+ if (bellvolume)
+ XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
+}
+
+void
+focus(XEvent *ev)
+{
+ XFocusChangeEvent *e = &ev->xfocus;
+
+ if (e->mode == NotifyGrab)
+ return;
+
+ if (ev->type == FocusIn) {
+ if (xw.ime.xic)
+ XSetICFocus(xw.ime.xic);
+ win.mode |= MODE_FOCUSED;
+ xseturgency(0);
+ if (IS_SET(MODE_FOCUS))
+ ttywrite("\033[I", 3, 0);
+ } else {
+ if (xw.ime.xic)
+ XUnsetICFocus(xw.ime.xic);
+ win.mode &= ~MODE_FOCUSED;
+ if (IS_SET(MODE_FOCUS))
+ ttywrite("\033[O", 3, 0);
+ }
+}
+
+int
+match(uint mask, uint state)
+{
+ return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
+}
+
+char*
+kmap(KeySym k, uint state)
+{
+ Key *kp;
+ int i;
+
+ /* Check for mapped keys out of X11 function keys. */
+ for (i = 0; i < LEN(mappedkeys); i++) {
+ if (mappedkeys[i] == k)
+ break;
+ }
+ if (i == LEN(mappedkeys)) {
+ if ((k & 0xFFFF) < 0xFD00)
+ return NULL;
+ }
+
+ for (kp = key; kp < key + LEN(key); kp++) {
+ if (kp->k != k)
+ continue;
+
+ if (!match(kp->mask, state))
+ continue;
+
+ if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
+ continue;
+ if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2)
+ continue;
+
+ if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
+ continue;
+
+ return kp->s;
+ }
+
+ return NULL;
+}
+
+void
+kpress(XEvent *ev)
+{
+ XKeyEvent *e = &ev->xkey;
+ KeySym ksym = NoSymbol;
+ char buf[64], *customkey;
+ int len;
+ Rune c;
+ Status status;
+ Shortcut *bp;
+
+ if (IS_SET(MODE_KBDLOCK))
+ return;
+
+ if (xw.ime.xic) {
+ len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
+ if (status == XBufferOverflow)
+ return;
+ } else {
+ len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
+ }
+ /* 1. shortcuts */
+ for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
+ if (ksym == bp->keysym && match(bp->mod, e->state)) {
+ if (bp -> func != autocomplete)
+ autocomplete ((const Arg []) { ACMPL_DEACTIVATE });
+ bp->func(&(bp->arg));
+ return;
+ }
+ }
+
+ if (!(
+ len == 0 &&
+ e -> state & ~ignoremod // ACMPL_ISSUE: I'm not sure that this is the right way
+ | ACMPL_MOD == ACMPL_MOD
+ ))
+ autocomplete ((const Arg []) { ACMPL_DEACTIVATE });
+
+ /* 2. custom keys from config.h */
+ if ((customkey = kmap(ksym, e->state))) {
+ ttywrite(customkey, strlen(customkey), 1);
+ return;
+ }
+
+ /* 3. composed string from input method */
+ if (len == 0)
+ return;
+ if (len == 1 && e->state & Mod1Mask) {
+ if (IS_SET(MODE_8BIT)) {
+ if (*buf < 0177) {
+ c = *buf | 0x80;
+ len = utf8encode(c, buf);
+ }
+ } else {
+ buf[1] = buf[0];
+ buf[0] = '\033';
+ len = 2;
+ }
+ }
+ ttywrite(buf, len, 1);
+}
+
+void
+cmessage(XEvent *e)
+{
+ /*
+ * See xembed specs
+ * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
+ */
+ if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
+ if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
+ win.mode |= MODE_FOCUSED;
+ xseturgency(0);
+ } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
+ win.mode &= ~MODE_FOCUSED;
+ }
+ } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
+ ttyhangup();
+ exit(0);
+ }
+}
+
+void
+resize(XEvent *e)
+{
+ if (e->xconfigure.width == win.w && e->xconfigure.height == win.h)
+ return;
+
+ cresize(e->xconfigure.width, e->xconfigure.height);
+}
+
+void
+run(void)
+{
+ XEvent ev;
+ int w = win.w, h = win.h;
+ fd_set rfd;
+ int xfd = XConnectionNumber(xw.dpy), ttyfd, xev, drawing;
+ struct timespec seltv, *tv, now, lastblink, trigger;
+ double timeout;
+
+ /* Waiting for window mapping */
+ do {
+ XNextEvent(xw.dpy, &ev);
+ /*
+ * This XFilterEvent call is required because of XOpenIM. It
+ * does filter out the key event and some client message for
+ * the input method too.
+ */
+ if (XFilterEvent(&ev, None))
+ continue;
+ if (ev.type == ConfigureNotify) {
+ w = ev.xconfigure.width;
+ h = ev.xconfigure.height;
+ }
+ } while (ev.type != MapNotify);
+
+ ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd);
+ cresize(w, h);
+
+ for (timeout = -1, drawing = 0, lastblink = (struct timespec){0};;) {
+ FD_ZERO(&rfd);
+ FD_SET(ttyfd, &rfd);
+ FD_SET(xfd, &rfd);
+
+ if (XPending(xw.dpy))
+ timeout = 0; /* existing events might not set xfd */
+
+ seltv.tv_sec = timeout / 1E3;
+ seltv.tv_nsec = 1E6 * (timeout - 1E3 * seltv.tv_sec);
+ tv = timeout >= 0 ? &seltv : NULL;
+
+ if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
+ if (errno == EINTR)
+ continue;
+ die("select failed: %s\n", strerror(errno));
+ }
+ clock_gettime(CLOCK_MONOTONIC, &now);
+
+ if (FD_ISSET(ttyfd, &rfd))
+ ttyread();
+
+ xev = 0;
+ while (XPending(xw.dpy)) {
+ xev = 1;
+ XNextEvent(xw.dpy, &ev);
+ if (XFilterEvent(&ev, None))
+ continue;
+ if (handler[ev.type])
+ (handler[ev.type])(&ev);
+ }
+
+ /*
+ * To reduce flicker and tearing, when new content or event
+ * triggers drawing, we first wait a bit to ensure we got
+ * everything, and if nothing new arrives - we draw.
+ * We start with trying to wait minlatency ms. If more content
+ * arrives sooner, we retry with shorter and shorter periods,
+ * and eventually draw even without idle after maxlatency ms.
+ * Typically this results in low latency while interacting,
+ * maximum latency intervals during `cat huge.txt`, and perfect
+ * sync with periodic updates from animations/key-repeats/etc.
+ */
+ if (FD_ISSET(ttyfd, &rfd) || xev) {
+ if (!drawing) {
+ trigger = now;
+ drawing = 1;
+ }
+ timeout = (maxlatency - TIMEDIFF(now, trigger)) \
+ / maxlatency * minlatency;
+ if (timeout > 0)
+ continue; /* we have time, try to find idle */
+ }
+
+ /* idle detected or maxlatency exhausted -> draw */
+ timeout = -1;
+ if (blinktimeout && tattrset(ATTR_BLINK)) {
+ timeout = blinktimeout - TIMEDIFF(now, lastblink);
+ if (timeout <= 0) {
+ if (-timeout > blinktimeout) /* start visible */
+ win.mode |= MODE_BLINK;
+ win.mode ^= MODE_BLINK;
+ tsetdirtattr(ATTR_BLINK);
+ lastblink = now;
+ timeout = blinktimeout;
+ }
+ }
+
+ draw();
+ XFlush(xw.dpy);
+ drawing = 0;
+ }
+}
+
+void
+usage(void)
+{
+ die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
+ " [-n name] [-o file]\n"
+ " [-T title] [-t title] [-w windowid]"
+ " [[-e] command [args ...]]\n"
+ " %s [-aiv] [-c class] [-f font] [-g geometry]"
+ " [-n name] [-o file]\n"
+ " [-T title] [-t title] [-w windowid] -l line"
+ " [stty_args ...]\n", argv0, argv0);
+}
+
+int
+main(int argc, char *argv[])
+{
+ xw.l = xw.t = 0;
+ xw.isfixed = False;
+ xsetcursor(cursorshape);
+
+ ARGBEGIN {
+ case 'a':
+ allowaltscreen = 0;
+ break;
+ case 'c':
+ opt_class = EARGF(usage());
+ break;
+ case 'e':
+ if (argc > 0)
+ --argc, ++argv;
+ goto run;
+ case 'f':
+ opt_font = EARGF(usage());
+ break;
+ case 'g':
+ xw.gm = XParseGeometry(EARGF(usage()),
+ &xw.l, &xw.t, &cols, &rows);
+ break;
+ case 'i':
+ xw.isfixed = 1;
+ break;
+ case 'o':
+ opt_io = EARGF(usage());
+ break;
+ case 'l':
+ opt_line = EARGF(usage());
+ break;
+ case 'n':
+ opt_name = EARGF(usage());
+ break;
+ case 't':
+ case 'T':
+ opt_title = EARGF(usage());
+ break;
+ case 'w':
+ opt_embed = EARGF(usage());
+ break;
+ case 'v':
+ die("%s " VERSION "\n", argv0);
+ break;
+ default:
+ usage();
+ } ARGEND;
+
+run:
+ if (argc > 0) /* eat all remaining arguments */
+ opt_cmd = argv;
+
+ if (!opt_title)
+ opt_title = (opt_line || !opt_cmd) ? "st" : opt_cmd[0];
+
+ setlocale(LC_CTYPE, "");
+ XSetLocaleModifiers("");
+ cols = MAX(cols, 1);
+ rows = MAX(rows, 1);
+ tnew(cols, rows);
+ xinit(cols, rows);
+ xsetenv();
+ selinit();
+ run();
+
+ return 0;
+}
diff --git a/x.o b/x.o
index f7ddbae..8c5f03f 100644
--- a/x.o
+++ b/x.o
Binary files differ
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-20 03:34:07 +0000