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add Ligature support patch

This commit is contained in:
zcake 2020-11-14 08:30:14 +08:00
parent b75c0cef9b
commit ebf45d1fb3
19 changed files with 790 additions and 236 deletions
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5
Makefile
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@ -4,7 +4,7 @@
include config.mk
SRC = st.c x.c boxdraw.c
SRC = st.c x.c boxdraw.c hb.c
OBJ = $(SRC:.c=.o)
all: options st
@ -22,7 +22,8 @@ config.h:
$(CC) $(STCFLAGS) -c $<
st.o: config.h st.h win.h
x.o: arg.h config.h st.h win.h
x.o: arg.h config.h st.h win.h hb.h
hb.o: st.h
boxdraw.o: config.h st.h boxdraw_data.h
$(OBJ): config.h config.mk

7
config.mk
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@ -15,11 +15,12 @@ PKG_CONFIG = pkg-config
# includes and libs
INCS = -I$(X11INC) \
`$(PKG_CONFIG) --cflags fontconfig` \
`$(PKG_CONFIG) --cflags freetype2`
`$(PKG_CONFIG) --cflags freetype2` \
`$(PKG_CONFIG) --cflags harfbuzz`
LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft -lXrender\
`$(PKG_CONFIG) --libs fontconfig` \
`$(PKG_CONFIG) --libs freetype2`
`$(PKG_CONFIG) --libs freetype2` \
`$(PKG_CONFIG) --libs harfbuzz`
# flags
STCPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600
STCFLAGS = $(INCS) $(STCPPFLAGS) $(CPPFLAGS) $(CFLAGS)

17
config.mk.rej Normal file
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@ -0,0 +1,17 @@
--- config.mk
+++ config.mk
@@ -15,10 +15,12 @@ PKG_CONFIG = pkg-config
# includes and libs
INCS = -I$(X11INC) \
`$(PKG_CONFIG) --cflags fontconfig` \
- `$(PKG_CONFIG) --cflags freetype2`
+ `$(PKG_CONFIG) --cflags freetype2` \
+ `$(PKG_CONFIG) --cflags harfbuzz`
LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \
`$(PKG_CONFIG) --libs fontconfig` \
- `$(PKG_CONFIG) --libs freetype2`
+ `$(PKG_CONFIG) --libs freetype2` \
+ `$(PKG_CONFIG) --libs harfbuzz`
# flags
STCPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600

140
hb.c Normal file
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@ -0,0 +1,140 @@
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <X11/Xft/Xft.h>
#include <hb.h>
#include <hb-ft.h>
#include "st.h"
void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length);
hb_font_t *hbfindfont(XftFont *match);
typedef struct {
XftFont *match;
hb_font_t *font;
} HbFontMatch;
static int hbfontslen = 0;
static HbFontMatch *hbfontcache = NULL;
void
hbunloadfonts()
{
for (int i = 0; i < hbfontslen; i++) {
hb_font_destroy(hbfontcache[i].font);
XftUnlockFace(hbfontcache[i].match);
}
if (hbfontcache != NULL) {
free(hbfontcache);
hbfontcache = NULL;
}
hbfontslen = 0;
}
hb_font_t *
hbfindfont(XftFont *match)
{
for (int i = 0; i < hbfontslen; i++) {
if (hbfontcache[i].match == match)
return hbfontcache[i].font;
}
/* Font not found in cache, caching it now. */
hbfontcache = realloc(hbfontcache, sizeof(HbFontMatch) * (hbfontslen + 1));
FT_Face face = XftLockFace(match);
hb_font_t *font = hb_ft_font_create(face, NULL);
if (font == NULL)
die("Failed to load Harfbuzz font.");
hbfontcache[hbfontslen].match = match;
hbfontcache[hbfontslen].font = font;
hbfontslen += 1;
return font;
}
void
hbtransform(XftGlyphFontSpec *specs, const Glyph *glyphs, size_t len, int x, int y)
{
int start = 0, length = 1, gstart = 0;
hb_codepoint_t *codepoints = calloc(len, sizeof(hb_codepoint_t));
for (int idx = 1, specidx = 1; idx < len; idx++) {
if (glyphs[idx].mode & ATTR_WDUMMY) {
length += 1;
continue;
}
if (specs[specidx].font != specs[start].font || ATTRCMP(glyphs[gstart], glyphs[idx]) || selected(x + idx, y) != selected(x + gstart, y)) {
hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length);
/* Reset the sequence. */
length = 1;
start = specidx;
gstart = idx;
} else {
length += 1;
}
specidx++;
}
/* EOL. */
hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length);
/* Apply the transformation to glyph specs. */
for (int i = 0, specidx = 0; i < len; i++) {
if (glyphs[i].mode & ATTR_WDUMMY)
continue;
if (glyphs[i].mode & ATTR_BOXDRAW) {
specidx++;
continue;
}
if (codepoints[i] != specs[specidx].glyph)
((Glyph *)glyphs)[i].mode |= ATTR_LIGA;
specs[specidx++].glyph = codepoints[i];
}
free(codepoints);
}
void
hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length)
{
hb_font_t *font = hbfindfont(xfont);
if (font == NULL)
return;
Rune rune;
ushort mode = USHRT_MAX;
hb_buffer_t *buffer = hb_buffer_create();
hb_buffer_set_direction(buffer, HB_DIRECTION_LTR);
/* Fill buffer with codepoints. */
for (int i = start; i < (start+length); i++) {
rune = string[i].u;
mode = string[i].mode;
if (mode & ATTR_WDUMMY)
rune = 0x0020;
hb_buffer_add_codepoints(buffer, &rune, 1, 0, 1);
}
/* Shape the segment. */
hb_shape(font, buffer, NULL, 0);
/* Get new glyph info. */
hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, NULL);
/* Write new codepoints. */
for (int i = 0; i < length; i++) {
hb_codepoint_t gid = info[i].codepoint;
codepoints[start+i] = gid;
}
/* Cleanup. */
hb_buffer_destroy(buffer);
}

7
hb.h Normal file
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@ -0,0 +1,7 @@
#include <X11/Xft/Xft.h>
#include <hb.h>
#include <hb-ft.h>
void hbunloadfonts();
void hbtransform(XftGlyphFontSpec *, const Glyph *, size_t, int, int);

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hb.o Normal file
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153
patches/st-anysize-20201003-407a3d0.diff
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@ -1,153 +0,0 @@
From 407a3d065645ee814e04a6c62a2d2dea04a1c18c Mon Sep 17 00:00:00 2001
From: Finn Rayment <finn@rayment.fr>
Date: Sat, 3 Oct 2020 14:47:04 +0200
Subject: [PATCH] Applied anysize patch fix
---
x.c | 52 ++++++++++++++++++++++++++++------------------------
1 file changed, 28 insertions(+), 24 deletions(-)
diff --git a/x.c b/x.c
index 210f184..a11a992 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;
}
@@ -721,6 +722,9 @@ 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);
@@ -1121,8 +1125,8 @@ 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 + cols * win.cw;
+ win.h = 2 * win.vborderpx + rows * win.ch;
if (xw.gm & XNegative)
xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
if (xw.gm & YNegative)
@@ -1210,7 +1214,7 @@ 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;
@@ -1343,7 +1347,7 @@ 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;
@@ -1433,17 +1437,17 @@ 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.vborderpx,
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.hborderpx);
+ 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. */
@@ -1537,35 +1541,35 @@ 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);
}
}
--
2.28.0

311
patches/st-ligatures-boxdraw-20200430-0.8.3.diff Normal file
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@ -0,0 +1,311 @@
diff --git a/Makefile b/Makefile
index 6dfa212..2ffd3c8 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
include config.mk
-SRC = st.c x.c boxdraw.c
+SRC = st.c x.c boxdraw.c hb.c
OBJ = $(SRC:.c=.o)
all: options st
@@ -22,7 +22,8 @@ config.h:
$(CC) $(STCFLAGS) -c $<
st.o: config.h st.h win.h
-x.o: arg.h config.h st.h win.h
+x.o: arg.h config.h st.h win.h hb.h
+hb.o: st.h
boxdraw.o: config.h st.h boxdraw_data.h
$(OBJ): config.h config.mk
diff --git a/config.mk b/config.mk
index beafc35..3df5c83 100644
--- a/config.mk
+++ b/config.mk
@@ -15,10 +15,12 @@ PKG_CONFIG = pkg-config
# includes and libs
INCS = -I$(X11INC) \
`$(PKG_CONFIG) --cflags fontconfig` \
- `$(PKG_CONFIG) --cflags freetype2`
+ `$(PKG_CONFIG) --cflags freetype2` \
+ `$(PKG_CONFIG) --cflags harfbuzz`
LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \
`$(PKG_CONFIG) --libs fontconfig` \
- `$(PKG_CONFIG) --libs freetype2`
+ `$(PKG_CONFIG) --libs freetype2` \
+ `$(PKG_CONFIG) --libs harfbuzz`
# flags
STCPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600
diff --git a/hb.c b/hb.c
new file mode 100644
index 0000000..467bcac
--- /dev/null
+++ b/hb.c
@@ -0,0 +1,140 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <X11/Xft/Xft.h>
+#include <hb.h>
+#include <hb-ft.h>
+
+#include "st.h"
+
+void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length);
+hb_font_t *hbfindfont(XftFont *match);
+
+typedef struct {
+ XftFont *match;
+ hb_font_t *font;
+} HbFontMatch;
+
+static int hbfontslen = 0;
+static HbFontMatch *hbfontcache = NULL;
+
+void
+hbunloadfonts()
+{
+ for (int i = 0; i < hbfontslen; i++) {
+ hb_font_destroy(hbfontcache[i].font);
+ XftUnlockFace(hbfontcache[i].match);
+ }
+
+ if (hbfontcache != NULL) {
+ free(hbfontcache);
+ hbfontcache = NULL;
+ }
+ hbfontslen = 0;
+}
+
+hb_font_t *
+hbfindfont(XftFont *match)
+{
+ for (int i = 0; i < hbfontslen; i++) {
+ if (hbfontcache[i].match == match)
+ return hbfontcache[i].font;
+ }
+
+ /* Font not found in cache, caching it now. */
+ hbfontcache = realloc(hbfontcache, sizeof(HbFontMatch) * (hbfontslen + 1));
+ FT_Face face = XftLockFace(match);
+ hb_font_t *font = hb_ft_font_create(face, NULL);
+ if (font == NULL)
+ die("Failed to load Harfbuzz font.");
+
+ hbfontcache[hbfontslen].match = match;
+ hbfontcache[hbfontslen].font = font;
+ hbfontslen += 1;
+
+ return font;
+}
+
+void
+hbtransform(XftGlyphFontSpec *specs, const Glyph *glyphs, size_t len, int x, int y)
+{
+ int start = 0, length = 1, gstart = 0;
+ hb_codepoint_t *codepoints = calloc(len, sizeof(hb_codepoint_t));
+
+ for (int idx = 1, specidx = 1; idx < len; idx++) {
+ if (glyphs[idx].mode & ATTR_WDUMMY) {
+ length += 1;
+ continue;
+ }
+
+ if (specs[specidx].font != specs[start].font || ATTRCMP(glyphs[gstart], glyphs[idx]) || selected(x + idx, y) != selected(x + gstart, y)) {
+ hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length);
+
+ /* Reset the sequence. */
+ length = 1;
+ start = specidx;
+ gstart = idx;
+ } else {
+ length += 1;
+ }
+
+ specidx++;
+ }
+
+ /* EOL. */
+ hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length);
+
+ /* Apply the transformation to glyph specs. */
+ for (int i = 0, specidx = 0; i < len; i++) {
+ if (glyphs[i].mode & ATTR_WDUMMY)
+ continue;
+ if (glyphs[i].mode & ATTR_BOXDRAW) {
+ specidx++;
+ continue;
+ }
+
+ if (codepoints[i] != specs[specidx].glyph)
+ ((Glyph *)glyphs)[i].mode |= ATTR_LIGA;
+
+ specs[specidx++].glyph = codepoints[i];
+ }
+
+ free(codepoints);
+}
+
+void
+hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length)
+{
+ hb_font_t *font = hbfindfont(xfont);
+ if (font == NULL)
+ return;
+
+ Rune rune;
+ ushort mode = USHRT_MAX;
+ hb_buffer_t *buffer = hb_buffer_create();
+ hb_buffer_set_direction(buffer, HB_DIRECTION_LTR);
+
+ /* Fill buffer with codepoints. */
+ for (int i = start; i < (start+length); i++) {
+ rune = string[i].u;
+ mode = string[i].mode;
+ if (mode & ATTR_WDUMMY)
+ rune = 0x0020;
+ hb_buffer_add_codepoints(buffer, &rune, 1, 0, 1);
+ }
+
+ /* Shape the segment. */
+ hb_shape(font, buffer, NULL, 0);
+
+ /* Get new glyph info. */
+ hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, NULL);
+
+ /* Write new codepoints. */
+ for (int i = 0; i < length; i++) {
+ hb_codepoint_t gid = info[i].codepoint;
+ codepoints[start+i] = gid;
+ }
+
+ /* Cleanup. */
+ hb_buffer_destroy(buffer);
+}
diff --git a/hb.h b/hb.h
new file mode 100644
index 0000000..b3e02d0
--- /dev/null
+++ b/hb.h
@@ -0,0 +1,7 @@
+#include <X11/Xft/Xft.h>
+#include <hb.h>
+#include <hb-ft.h>
+
+void hbunloadfonts();
+void hbtransform(XftGlyphFontSpec *, const Glyph *, size_t, int, int);
+
diff --git a/st.c b/st.c
index c035e19..13cbcf7 100644
--- a/st.c
+++ b/st.c
@@ -2602,7 +2602,8 @@ draw(void)
drawregion(0, 0, term.col, term.row);
xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
- term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
+ term.ocx, term.ocy, term.line[term.ocy][term.ocx],
+ term.line[term.ocy], term.col);
term.ocx = cx;
term.ocy = term.c.y;
xfinishdraw();
diff --git a/st.h b/st.h
index a6c382a..c7e79c6 100644
--- a/st.h
+++ b/st.h
@@ -11,7 +11,8 @@
#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d))
#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
-#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
+#define ATTRCMP(a, b) (((a).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) != ((b).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) || \
+ (a).fg != (b).fg || \
(a).bg != (b).bg)
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
(t1.tv_nsec-t2.tv_nsec)/1E6)
@@ -34,6 +35,7 @@ enum glyph_attribute {
ATTR_WIDE = 1 << 9,
ATTR_WDUMMY = 1 << 10,
ATTR_BOXDRAW = 1 << 11,
+ ATTR_LIGA = 1 << 12,
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
};
diff --git a/win.h b/win.h
index a6ef1b9..bc0d180 100644
--- a/win.h
+++ b/win.h
@@ -25,7 +25,7 @@ enum win_mode {
void xbell(void);
void xclipcopy(void);
-void xdrawcursor(int, int, Glyph, int, int, Glyph);
+void xdrawcursor(int, int, Glyph, int, int, Glyph, Line, int);
void xdrawline(Line, int, int, int);
void xfinishdraw(void);
void xloadcols(void);
diff --git a/x.c b/x.c
index 6f7ea2c..a79384c 100644
--- a/x.c
+++ b/x.c
@@ -19,6 +19,7 @@ char *argv0;
#include "arg.h"
#include "st.h"
#include "win.h"
+#include "hb.h"
/* types used in config.h */
typedef struct {
@@ -1031,6 +1032,9 @@ xunloadfont(Font *f)
void
xunloadfonts(void)
{
+ /* Clear Harfbuzz font cache. */
+ hbunloadfonts();
+
/* Free the loaded fonts in the font cache. */
while (frclen > 0)
XftFontClose(xw.dpy, frc[--frclen].font);
@@ -1231,7 +1235,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
mode = glyphs[i].mode;
/* Skip dummy wide-character spacing. */
- if (mode == ATTR_WDUMMY)
+ if (mode & ATTR_WDUMMY)
continue;
/* Determine font for glyph if different from previous glyph. */
@@ -1343,6 +1347,9 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
numspecs++;
}
+ /* Harfbuzz transformation for ligatures. */
+ hbtransform(specs, glyphs, len, x, y);
+
return numspecs;
}
@@ -1496,14 +1503,17 @@ xdrawglyph(Glyph g, int x, int y)
}
void
-xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
+xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og, Line line, int len)
{
Color drawcol;
/* remove the old cursor */
if (selected(ox, oy))
og.mode ^= ATTR_REVERSE;
- xdrawglyph(og, ox, oy);
+
+ /* Redraw the line where cursor was previously.
+ * It will restore the ligatures broken by the cursor. */
+ xdrawline(line, 0, oy, len);
if (IS_SET(MODE_HIDE))
return;

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st
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6
st.c
View File

@ -2659,7 +2659,8 @@ draw(void)
drawregion(0, 0, term.col, term.row);
if (term.scr == 0)
xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
term.ocx, term.ocy, term.line[term.ocy][term.ocx],
term.line[term.ocy], term.col);
term.ocx = cx;
term.ocy = term.c.y;
xfinishdraw();
@ -2719,7 +2720,8 @@ void select_or_drawcursor(int selectsearch_mode, int type) {
}
else
xdrawcursor(term.c.x, term.c.y, term.line[term.c.y][term.c.x],
term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
term.ocx, term.ocy, term.line[term.ocy][term.ocx],
term.line[term.ocy], term.col);
}
void search(int selectsearch_mode, Rune *target, int ptarget, int incr, int type, TCursor *cu) {

222
st.c.orig
View File

@ -16,6 +16,8 @@
#include <termios.h>
#include <unistd.h>
#include <wchar.h>
#include <X11/keysym.h>
#include <X11/X.h>
#include "st.h"
#include "win.h"
@ -2534,6 +2536,9 @@ tresize(int col, int row)
int *bp;
TCursor c;
if ( row < term.row || col < term.col )
toggle_winmode(trt_kbdselect(XK_Escape, NULL, 0));
if (col < 1 || row < 1) {
fprintf(stderr,
"tresize: error resizing to %dx%d\n", col, row);
@ -2668,3 +2673,220 @@ redraw(void)
tfulldirt();
draw();
}
void set_notifmode(int type, KeySym ksym) {
static char *lib[] = { " MOVE ", " SEL "};
static Glyph *g, *deb, *fin;
static int col, bot;
if ( ksym == -1 ) {
free(g);
col = term.col, bot = term.bot;
g = xmalloc(col * sizeof(Glyph));
memcpy(g, term.line[bot], col * sizeof(Glyph));
}
else if ( ksym == -2 )
memcpy(term.line[bot], g, col * sizeof(Glyph));
if ( type < 2 ) {
char *z = lib[type];
for (deb = &term.line[bot][col - 6], fin = &term.line[bot][col]; deb < fin; z++, deb++)
deb->mode = ATTR_REVERSE,
deb->u = *z,
deb->fg = defaultfg, deb->bg = defaultbg;
}
else if ( type < 5 )
memcpy(term.line[bot], g, col * sizeof(Glyph));
else {
for (deb = &term.line[bot][0], fin = &term.line[bot][col]; deb < fin; deb++)
deb->mode = ATTR_REVERSE,
deb->u = ' ',
deb->fg = defaultfg, deb->bg = defaultbg;
term.line[bot][0].u = ksym;
}
term.dirty[bot] = 1;
drawregion(0, bot, col, bot + 1);
}
void select_or_drawcursor(int selectsearch_mode, int type) {
int done = 0;
if ( selectsearch_mode & 1 ) {
selextend(term.c.x, term.c.y, type, done);
xsetsel(getsel());
}
else
xdrawcursor(term.c.x, term.c.y, term.line[term.c.y][term.c.x],
term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
}
void search(int selectsearch_mode, Rune *target, int ptarget, int incr, int type, TCursor *cu) {
Rune *r;
int i, bound = (term.col * cu->y + cu->x) * (incr > 0) + incr;
for (i = term.col * term.c.y + term.c.x + incr; i != bound; i += incr) {
for (r = target; r - target < ptarget; r++) {
if ( *r == term.line[(i + r - target) / term.col][(i + r - target) % term.col].u ) {
if ( r - target == ptarget - 1 ) break;
} else {
r = NULL;
break;
}
}
if ( r != NULL ) break;
}
if ( i != bound ) {
term.c.y = i / term.col, term.c.x = i % term.col;
select_or_drawcursor(selectsearch_mode, type);
}
}
int trt_kbdselect(KeySym ksym, char *buf, int len) {
static TCursor cu;
static Rune target[64];
static int type = 1, ptarget, in_use;
static int sens, quant;
static char selectsearch_mode;
int i, bound, *xy;
if ( selectsearch_mode & 2 ) {
if ( ksym == XK_Return ) {
selectsearch_mode ^= 2;
set_notifmode(selectsearch_mode, -2);
if ( ksym == XK_Escape ) ptarget = 0;
return 0;
}
else if ( ksym == XK_BackSpace ) {
if ( !ptarget ) return 0;
term.line[term.bot][ptarget--].u = ' ';
}
else if ( len < 1 ) {
return 0;
}
else if ( ptarget == term.col || ksym == XK_Escape ) {
return 0;
}
else {
utf8decode(buf, &target[ptarget++], len);
term.line[term.bot][ptarget].u = target[ptarget - 1];
}
if ( ksym != XK_BackSpace )
search(selectsearch_mode, &target[0], ptarget, sens, type, &cu);
term.dirty[term.bot] = 1;
drawregion(0, term.bot, term.col, term.bot + 1);
return 0;
}
switch ( ksym ) {
case -1 :
in_use = 1;
cu.x = term.c.x, cu.y = term.c.y;
set_notifmode(0, ksym);
return MODE_KBDSELECT;
case XK_s :
if ( selectsearch_mode & 1 )
selclear();
else
selstart(term.c.x, term.c.y, 0);
set_notifmode(selectsearch_mode ^= 1, ksym);
break;
case XK_t :
selextend(term.c.x, term.c.y, type ^= 3, i = 0); /* 2 fois */
selextend(term.c.x, term.c.y, type, i = 0);
break;
case XK_slash :
case XK_KP_Divide :
case XK_question :
ksym &= XK_question; /* Divide to slash */
sens = (ksym == XK_slash) ? -1 : 1;
ptarget = 0;
set_notifmode(15, ksym);
selectsearch_mode ^= 2;
break;
case XK_Escape :
if ( !in_use ) break;
selclear();
case XK_Return :
set_notifmode(4, ksym);
term.c.x = cu.x, term.c.y = cu.y;
select_or_drawcursor(selectsearch_mode = 0, type);
in_use = quant = 0;
return MODE_KBDSELECT;
case XK_n :
case XK_N :
if ( ptarget )
search(selectsearch_mode, &target[0], ptarget, (ksym == XK_n) ? -1 : 1, type, &cu);
break;
case XK_BackSpace :
term.c.x = 0;
select_or_drawcursor(selectsearch_mode, type);
break;
case XK_dollar :
term.c.x = term.col - 1;
select_or_drawcursor(selectsearch_mode, type);
break;
case XK_Home :
term.c.x = 0, term.c.y = 0;
select_or_drawcursor(selectsearch_mode, type);
break;
case XK_End :
term.c.x = cu.x, term.c.y = cu.y;
select_or_drawcursor(selectsearch_mode, type);
break;
case XK_Page_Up :
case XK_Page_Down :
term.c.y = (ksym == XK_Prior ) ? 0 : cu.y;
select_or_drawcursor(selectsearch_mode, type);
break;
case XK_exclam :
term.c.x = term.col >> 1;
select_or_drawcursor(selectsearch_mode, type);
break;
case XK_asterisk :
case XK_KP_Multiply :
term.c.x = term.col >> 1;
case XK_underscore :
term.c.y = cu.y >> 1;
select_or_drawcursor(selectsearch_mode, type);
break;
default :
if ( ksym >= XK_0 && ksym <= XK_9 ) { /* 0-9 keyboard */
quant = (quant * 10) + (ksym ^ XK_0);
return 0;
}
else if ( ksym >= XK_KP_0 && ksym <= XK_KP_9 ) { /* 0-9 numpad */
quant = (quant * 10) + (ksym ^ XK_KP_0);
return 0;
}
else if ( ksym == XK_k || ksym == XK_h )
i = ksym & 1;
else if ( ksym == XK_l || ksym == XK_j )
i = ((ksym & 6) | 4) >> 1;
else if ( (XK_Home & ksym) != XK_Home || (i = (ksym ^ XK_Home) - 1) > 3 )
break;
xy = (i & 1) ? &term.c.y : &term.c.x;
sens = (i & 2) ? 1 : -1;
bound = (i >> 1 ^ 1) ? 0 : (i ^ 3) ? term.col - 1 : term.bot;
if ( quant == 0 )
quant++;
if ( *xy == bound && ((sens < 0 && bound == 0) || (sens > 0 && bound > 0)) )
break;
*xy += quant * sens;
if ( *xy < 0 || ( bound > 0 && *xy > bound) )
*xy = bound;
select_or_drawcursor(selectsearch_mode, type);
}
quant = 0;
return 0;
}

80
st.c.rej
View File

@ -1,74 +1,12 @@
--- st.c
+++ st.c
@@ -332,6 +332,7 @@ static void xzoomreset(const Arg *);
static void printsel(const Arg *);
static void printscreen(const Arg *) ;
static void toggleprinter(const Arg *);
+static void copyurl(const Arg *);
@@ -2602,7 +2602,8 @@ draw(void)
/* Config.h for applying patches and the configuration. */
#include "config.h"
@@ -4080,3 +4081,63 @@ run:
return 0;
}
+/* select and copy the previous url on screen (do nothing if there's no url).
+ * known bug: doesn't handle urls that span multiple lines (wontfix)
+ * known bug: only finds first url on line (mightfix)
+ */
+void
+copyurl(const Arg *arg) {
+ /* () and [] can appear in urls, but excluding them here will reduce false
+ * positives when figuring out where a given url ends.
+ */
+ static char URLCHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz"
+ "0123456789-._~:/?#@!$&'*+,;=%";
+
+ int i, row, startrow;
+ char *linestr = calloc(sizeof(char), term.col+1); /* assume ascii */
+ char *c, *match = NULL;
+
+ row = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.y-1 : term.bot;
+ LIMIT(row, term.top, term.bot);
+ startrow = row;
+
+ /* find the start of the last url before selection */
+ do {
+ for (i = 0; i < term.col; ++i) {
+ if (term.line[row][i].u > 127) /* assume ascii */
+ continue;
+ linestr[i] = term.line[row][i].u;
+ }
+ linestr[term.col] = '\0';
+ if ((match = strstr(linestr, "http://"))
+ || (match = strstr(linestr, "https://")))
+ break;
+ if (--row < term.top)
+ row = term.bot;
+ } while (row != startrow);
+
+ if (match) {
+ /* must happen before trim */
+ selclear(NULL);
+ sel.ob.x = strlen(linestr) - strlen(match);
+
+ /* trim the rest of the line from the url match */
+ for (c = match; *c != '\0'; ++c)
+ if (!strchr(URLCHARS, *c)) {
+ *c = '\0';
+ break;
+ }
+
+ /* select and copy */
+ sel.mode = 1;
+ sel.type = SEL_REGULAR;
+ sel.oe.x = sel.ob.x + strlen(match)-1;
+ sel.ob.y = sel.oe.y = row;
+ selnormalize();
+ tsetdirt(sel.nb.y, sel.ne.y);
+ selcopy(0);
+ }
+
+ free(linestr);
+}
drawregion(0, 0, term.col, term.row);
xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
- term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
+ term.ocx, term.ocy, term.line[term.ocy][term.ocx],
+ term.line[term.ocy], term.col);
term.ocx = cx;
term.ocy = term.c.y;
xfinishdraw();

4
st.h
View File

@ -11,7 +11,8 @@
#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d))
#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
#define ATTRCMP(a, b) (((a).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) != ((b).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) || \
(a).fg != (b).fg || \
(a).bg != (b).bg)
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
(t1.tv_nsec-t2.tv_nsec)/1E6)
@ -34,6 +35,7 @@ enum glyph_attribute {
ATTR_WIDE = 1 << 9,
ATTR_WDUMMY = 1 << 10,
ATTR_BOXDRAW = 1 << 11,
ATTR_LIGA = 1 << 12,
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
};

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2
win.h
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@ -26,7 +26,7 @@ enum win_mode {
void xbell(void);
void xclipcopy(void);
void xdrawcursor(int, int, Glyph, int, int, Glyph);
void xdrawcursor(int, int, Glyph, int, int, Glyph, Line, int);
void xdrawline(Line, int, int, int);
void xfinishdraw(void);
void xloadcols(void);

42
win.h.orig Normal file
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@ -0,0 +1,42 @@
/* See LICENSE for license details. */
enum win_mode {
MODE_VISIBLE = 1 << 0,
MODE_FOCUSED = 1 << 1,
MODE_APPKEYPAD = 1 << 2,
MODE_MOUSEBTN = 1 << 3,
MODE_MOUSEMOTION = 1 << 4,
MODE_REVERSE = 1 << 5,
MODE_KBDLOCK = 1 << 6,
MODE_HIDE = 1 << 7,
MODE_APPCURSOR = 1 << 8,
MODE_MOUSESGR = 1 << 9,
MODE_8BIT = 1 << 10,
MODE_BLINK = 1 << 11,
MODE_FBLINK = 1 << 12,
MODE_FOCUS = 1 << 13,
MODE_MOUSEX10 = 1 << 14,
MODE_MOUSEMANY = 1 << 15,
MODE_BRCKTPASTE = 1 << 16,
MODE_NUMLOCK = 1 << 17,
MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
|MODE_MOUSEMANY,
MODE_KBDSELECT = 1 << 18,
};
void xbell(void);
void xclipcopy(void);
void xdrawcursor(int, int, Glyph, int, int, Glyph);
void xdrawline(Line, int, int, int);
void xfinishdraw(void);
void xloadcols(void);
int xsetcolorname(int, const char *);
void xsettitle(char *);
int xsetcursor(int);
void xsetmode(int, unsigned int);
void xsetpointermotion(int);
void xsetsel(char *);
int xstartdraw(void);
void toggle_winmode(int);
void keyboard_select(const Arg *);
void xximspot(int, int);

16
x.c
View File

@ -19,6 +19,7 @@ char *argv0;
#include "arg.h"
#include "st.h"
#include "win.h"
#include "hb.h"
/* types used in config.h */
typedef struct {
@ -1162,6 +1163,9 @@ xunloadfont(Font *f)
void
xunloadfonts(void)
{
/* Clear Harfbuzz font cache. */
hbunloadfonts();
/* Free the loaded fonts in the font cache. */
while (frclen > 0)
XftFontClose(xw.dpy, frc[--frclen].font);
@ -1373,7 +1377,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
mode = glyphs[i].mode;
/* Skip dummy wide-character spacing. */
if (mode == ATTR_WDUMMY)
if (mode & ATTR_WDUMMY)
continue;
/* Determine font for glyph if different from previous glyph. */
@ -1485,6 +1489,9 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
numspecs++;
}
/* Harfbuzz transformation for ligatures. */
hbtransform(specs, glyphs, len, x, y);
return numspecs;
}
@ -1645,14 +1652,17 @@ xdrawglyph(Glyph g, int x, int y)
}
void
xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og, Line line, int len)
{
Color drawcol;
/* remove the old cursor */
if (selected(ox, oy))
og.mode ^= ATTR_REVERSE;
xdrawglyph(og, ox, oy);
/* Redraw the line where cursor was previously.
* It will restore the ligatures broken by the cursor. */
xdrawline(line, 0, oy, len);
if (IS_SET(MODE_HIDE))
return;

14
x.c.orig
View File

@ -1977,6 +1977,12 @@ kpress(XEvent *ev)
len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
else
len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
if ( IS_SET(MODE_KBDSELECT) ) {
if ( match(XK_NO_MOD, e->state) ||
(XK_Shift_L | XK_Shift_R) & e->state )
win.mode ^= trt_kbdselect(ksym, buf, len);
return;
}
/* 1. shortcuts */
for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
if (ksym == bp->keysym && match(bp->mod, e->state)) {
@ -2158,6 +2164,14 @@ usage(void)
" [stty_args ...]\n", argv0, argv0);
}
void toggle_winmode(int flag) {
win.mode ^= flag;
}
void keyboard_select(const Arg *dummy) {
win.mode ^= trt_kbdselect(-1, NULL, 0);
}
int
main(int argc, char *argv[])
{

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x.o
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