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st-ligatures-scrollback-20241226-0.9.2.diff (18909B) | |
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1 diff --git a/Makefile b/Makefile | |
2 index 15db421..dfcea0f 100644 | |
3 --- a/Makefile | |
4 +++ b/Makefile | |
5 @@ -3,9 +3,9 @@ | |
6 .POSIX: | |
7 | |
8 include config.mk | |
9 | |
10 -SRC = st.c x.c | |
11 +SRC = st.c x.c hb.c | |
12 OBJ = $(SRC:.c=.o) | |
13 | |
14 all: st | |
15 | |
16 @@ -15,9 +15,10 @@ config.h: | |
17 .c.o: | |
18 $(CC) $(STCFLAGS) -c $< | |
19 | |
20 st.o: config.h st.h win.h | |
21 -x.o: arg.h config.h st.h win.h | |
22 +x.o: arg.h config.h st.h win.h hb.h | |
23 +hb.o: st.h | |
24 | |
25 $(OBJ): config.h config.mk | |
26 | |
27 st: $(OBJ) | |
28 diff --git a/config.mk b/config.mk | |
29 index fdc29a7..6833b3b 100644 | |
30 --- a/config.mk | |
31 +++ b/config.mk | |
32 @@ -14,12 +14,14 @@ PKG_CONFIG = pkg-config | |
33 | |
34 # includes and libs | |
35 INCS = -I$(X11INC) \ | |
36 `$(PKG_CONFIG) --cflags fontconfig` \ | |
37 - `$(PKG_CONFIG) --cflags freetype2` | |
38 + `$(PKG_CONFIG) --cflags freetype2` \ | |
39 + `$(PKG_CONFIG) --cflags harfbuzz` | |
40 LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \ | |
41 `$(PKG_CONFIG) --libs fontconfig` \ | |
42 - `$(PKG_CONFIG) --libs freetype2` | |
43 + `$(PKG_CONFIG) --libs freetype2` \ | |
44 + `$(PKG_CONFIG) --libs harfbuzz` | |
45 | |
46 # flags | |
47 STCPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600 | |
48 STCFLAGS = $(INCS) $(STCPPFLAGS) $(CPPFLAGS) $(CFLAGS) | |
49 @@ -28,9 +30,10 @@ STLDFLAGS = $(LIBS) $(LDFLAGS) | |
50 # OpenBSD: | |
51 #CPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600 -D_BSD_SOURCE | |
52 #LIBS = -L$(X11LIB) -lm -lX11 -lutil -lXft \ | |
53 # `$(PKG_CONFIG) --libs fontconfig` \ | |
54 -# `$(PKG_CONFIG) --libs freetype2` | |
55 +# `$(PKG_CONFIG) --libs freetype2` \ | |
56 +# `$(PKG_CONFIG) --libs harfbuzz` | |
57 #MANPREFIX = ${PREFIX}/man | |
58 | |
59 # compiler and linker | |
60 # CC = c99 | |
61 diff --git a/hb.c b/hb.c | |
62 new file mode 100644 | |
63 index 0000000..99412c8 | |
64 --- /dev/null | |
65 +++ b/hb.c | |
66 @@ -0,0 +1,125 @@ | |
67 +#include <stdlib.h> | |
68 +#include <stdio.h> | |
69 +#include <math.h> | |
70 +#include <X11/Xft/Xft.h> | |
71 +#include <X11/cursorfont.h> | |
72 +#include <hb.h> | |
73 +#include <hb-ft.h> | |
74 + | |
75 +#include "st.h" | |
76 +#include "hb.h" | |
77 + | |
78 +#define FEATURE(c1,c2,c3,c4) { .tag = HB_TAG(c1,c2,c3,c4), .value = 1, … | |
79 +#define BUFFER_STEP 256 | |
80 + | |
81 +hb_font_t *hbfindfont(XftFont *match); | |
82 + | |
83 +typedef struct { | |
84 + XftFont *match; | |
85 + hb_font_t *font; | |
86 +} HbFontMatch; | |
87 + | |
88 +typedef struct { | |
89 + size_t capacity; | |
90 + HbFontMatch *fonts; | |
91 +} HbFontCache; | |
92 + | |
93 +static HbFontCache hbfontcache = { 0, NULL }; | |
94 + | |
95 +typedef struct { | |
96 + size_t capacity; | |
97 + Rune *runes; | |
98 +} RuneBuffer; | |
99 + | |
100 +static RuneBuffer hbrunebuffer = { 0, NULL }; | |
101 + | |
102 +/* | |
103 + * Poplulate the array with a list of font features, wrapped in FEATURE… | |
104 + * e. g. | |
105 + * FEATURE('c', 'a', 'l', 't'), FEATURE('d', 'l', 'i', 'g') | |
106 + */ | |
107 +hb_feature_t features[] = { }; | |
108 + | |
109 +void | |
110 +hbunloadfonts() | |
111 +{ | |
112 + for (int i = 0; i < hbfontcache.capacity; i++) { | |
113 + hb_font_destroy(hbfontcache.fonts[i].font); | |
114 + XftUnlockFace(hbfontcache.fonts[i].match); | |
115 + } | |
116 + | |
117 + if (hbfontcache.fonts != NULL) { | |
118 + free(hbfontcache.fonts); | |
119 + hbfontcache.fonts = NULL; | |
120 + } | |
121 + hbfontcache.capacity = 0; | |
122 +} | |
123 + | |
124 +hb_font_t * | |
125 +hbfindfont(XftFont *match) | |
126 +{ | |
127 + for (int i = 0; i < hbfontcache.capacity; i++) { | |
128 + if (hbfontcache.fonts[i].match == match) | |
129 + return hbfontcache.fonts[i].font; | |
130 + } | |
131 + | |
132 + /* Font not found in cache, caching it now. */ | |
133 + hbfontcache.fonts = realloc(hbfontcache.fonts, sizeof(HbFontMat… | |
134 + FT_Face face = XftLockFace(match); | |
135 + hb_font_t *font = hb_ft_font_create(face, NULL); | |
136 + if (font == NULL) | |
137 + die("Failed to load Harfbuzz font."); | |
138 + | |
139 + hbfontcache.fonts[hbfontcache.capacity].match = match; | |
140 + hbfontcache.fonts[hbfontcache.capacity].font = font; | |
141 + hbfontcache.capacity += 1; | |
142 + | |
143 + return font; | |
144 +} | |
145 + | |
146 +void hbtransform(HbTransformData *data, XftFont *xfont, const Glyph *gl… | |
147 + ushort mode = USHRT_MAX; | |
148 + unsigned int glyph_count; | |
149 + int rune_idx, glyph_idx, end = start + length; | |
150 + | |
151 + hb_font_t *font = hbfindfont(xfont); | |
152 + if (font == NULL) | |
153 + return; | |
154 + | |
155 + hb_buffer_t *buffer = hb_buffer_create(); | |
156 + hb_buffer_set_direction(buffer, HB_DIRECTION_LTR); | |
157 + hb_buffer_set_cluster_level(buffer, HB_BUFFER_CLUSTER_LEVEL_MON… | |
158 + | |
159 + /* Resize the buffer if required length is larger. */ | |
160 + if (hbrunebuffer.capacity < length) { | |
161 + hbrunebuffer.capacity = (length / BUFFER_STEP + 1) * BU… | |
162 + hbrunebuffer.runes = realloc(hbrunebuffer.runes, hbrune… | |
163 + } | |
164 + | |
165 + /* Fill buffer with codepoints. */ | |
166 + for (rune_idx = 0, glyph_idx = start; glyph_idx < end; glyph_id… | |
167 + hbrunebuffer.runes[rune_idx] = glyphs[glyph_idx].u; | |
168 + mode = glyphs[glyph_idx].mode; | |
169 + if (mode & ATTR_WDUMMY) | |
170 + hbrunebuffer.runes[rune_idx] = 0x0020; | |
171 + } | |
172 + hb_buffer_add_codepoints(buffer, hbrunebuffer.runes, length, 0,… | |
173 + | |
174 + /* Shape the segment. */ | |
175 + hb_shape(font, buffer, features, sizeof(features)/sizeof(hb_fea… | |
176 + | |
177 + /* Get new glyph info. */ | |
178 + hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, &glyp… | |
179 + hb_glyph_position_t *pos = hb_buffer_get_glyph_positions(buffer… | |
180 + | |
181 + /* Fill the output. */ | |
182 + data->buffer = buffer; | |
183 + data->glyphs = info; | |
184 + data->positions = pos; | |
185 + data->count = glyph_count; | |
186 +} | |
187 + | |
188 +void hbcleanup(HbTransformData *data) { | |
189 + hb_buffer_destroy(data->buffer); | |
190 + memset(data, 0, sizeof(HbTransformData)); | |
191 +} | |
192 diff --git a/hb.h b/hb.h | |
193 new file mode 100644 | |
194 index 0000000..3b0ef44 | |
195 --- /dev/null | |
196 +++ b/hb.h | |
197 @@ -0,0 +1,14 @@ | |
198 +#include <X11/Xft/Xft.h> | |
199 +#include <hb.h> | |
200 +#include <hb-ft.h> | |
201 + | |
202 +typedef struct { | |
203 + hb_buffer_t *buffer; | |
204 + hb_glyph_info_t *glyphs; | |
205 + hb_glyph_position_t *positions; | |
206 + unsigned int count; | |
207 +} HbTransformData; | |
208 + | |
209 +void hbunloadfonts(); | |
210 +void hbtransform(HbTransformData *, XftFont *, const Glyph *, int, int); | |
211 +void hbcleanup(HbTransformData *); | |
212 diff --git a/st.c b/st.c | |
213 index 2478942..bba90d3 100644 | |
214 --- a/st.c | |
215 +++ b/st.c | |
216 @@ -2729,9 +2729,10 @@ draw(void) | |
217 | |
218 drawregion(0, 0, term.col, term.row); | |
219 if (term.scr == 0) | |
220 xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], | |
221 - term.ocx, term.ocy, term.line[term.ocy]… | |
222 + term.ocx, term.ocy, term.line[term.ocy]… | |
223 + term.line[term.ocy], term.col); | |
224 term.ocx = cx; | |
225 term.ocy = term.c.y; | |
226 xfinishdraw(); | |
227 if (ocx != term.ocx || ocy != term.ocy) | |
228 diff --git a/st.h b/st.h | |
229 index 818a6f8..4e584b6 100644 | |
230 --- a/st.h | |
231 +++ b/st.h | |
232 @@ -10,9 +10,10 @@ | |
233 #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) | |
234 #define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d)) | |
235 #define DEFAULT(a, b) (a) = (a) ? (a) : (b) | |
236 #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b)… | |
237 -#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg !=… | |
238 +#define ATTRCMP(a, b) (((a).mode & (~ATTR_WRAP)) != ((b)… | |
239 + (a).fg != (b).fg || \ | |
240 (a).bg != (b).bg) | |
241 #define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \ | |
242 (t1.tv_nsec-t2.tv_nsec)/1E6) | |
243 #define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(… | |
244 diff --git a/win.h b/win.h | |
245 index 6de960d..94679e4 100644 | |
246 --- a/win.h | |
247 +++ b/win.h | |
248 @@ -24,9 +24,9 @@ enum win_mode { | |
249 }; | |
250 | |
251 void xbell(void); | |
252 void xclipcopy(void); | |
253 -void xdrawcursor(int, int, Glyph, int, int, Glyph); | |
254 +void xdrawcursor(int, int, Glyph, int, int, Glyph, Line, int); | |
255 void xdrawline(Line, int, int, int); | |
256 void xfinishdraw(void); | |
257 void xloadcols(void); | |
258 int xsetcolorname(int, const char *); | |
259 diff --git a/x.c b/x.c | |
260 index bd23686..2bf3b72 100644 | |
261 --- a/x.c | |
262 +++ b/x.c | |
263 @@ -18,8 +18,9 @@ | |
264 char *argv0; | |
265 #include "arg.h" | |
266 #include "st.h" | |
267 #include "win.h" | |
268 +#include "hb.h" | |
269 | |
270 /* types used in config.h */ | |
271 typedef struct { | |
272 uint mod; | |
273 @@ -140,10 +141,11 @@ typedef struct { | |
274 GC gc; | |
275 } DC; | |
276 | |
277 static inline ushort sixd_to_16bit(int); | |
278 +static void xresetfontsettings(ushort mode, Font **font, int *frcflags); | |
279 static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, … | |
280 -static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, i… | |
281 +static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, i… | |
282 static void xdrawglyph(Glyph, int, int); | |
283 static void xclear(int, int, int, int); | |
284 static int xgeommasktogravity(int); | |
285 static int ximopen(Display *); | |
286 @@ -756,9 +758,9 @@ xresize(int col, int row) | |
287 XftDrawChange(xw.draw, xw.buf); | |
288 xclear(0, 0, win.w, win.h); | |
289 | |
290 /* resize to new width */ | |
291 - xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec)); | |
292 + xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec) *… | |
293 } | |
294 | |
295 ushort | |
296 sixd_to_16bit(int x) | |
297 @@ -1061,8 +1063,11 @@ xunloadfont(Font *f) | |
298 | |
299 void | |
300 xunloadfonts(void) | |
301 { | |
302 + /* Clear Harfbuzz font cache. */ | |
303 + hbunloadfonts(); | |
304 + | |
305 /* Free the loaded fonts in the font cache. */ | |
306 while (frclen > 0) | |
307 XftFontClose(xw.dpy, frc[--frclen].font); | |
308 | |
309 @@ -1184,9 +1189,9 @@ xinit(int cols, int rows) | |
310 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); | |
311 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h); | |
312 | |
313 /* font spec buffer */ | |
314 - xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec)); | |
315 + xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec) * 4); | |
316 | |
317 /* Xft rendering context */ | |
318 xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); | |
319 | |
320 @@ -1238,144 +1243,155 @@ xinit(int cols, int rows) | |
321 if (xsel.xtarget == None) | |
322 xsel.xtarget = XA_STRING; | |
323 } | |
324 | |
325 +void | |
326 +xresetfontsettings(ushort mode, Font **font, int *frcflags) | |
327 +{ | |
328 + *font = &dc.font; | |
329 + if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) { | |
330 + *font = &dc.ibfont; | |
331 + *frcflags = FRC_ITALICBOLD; | |
332 + } else if (mode & ATTR_ITALIC) { | |
333 + *font = &dc.ifont; | |
334 + *frcflags = FRC_ITALIC; | |
335 + } else if (mode & ATTR_BOLD) { | |
336 + *font = &dc.bfont; | |
337 + *frcflags = FRC_BOLD; | |
338 + } | |
339 +} | |
340 + | |
341 int | |
342 xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int l… | |
343 { | |
344 float winx = borderpx + x * win.cw, winy = borderpx + y * win.c… | |
345 - ushort mode, prevmode = USHRT_MAX; | |
346 + ushort mode = glyphs[0].mode & ~ATTR_WRAP; | |
347 Font *font = &dc.font; | |
348 int frcflags = FRC_NORMAL; | |
349 - float runewidth = win.cw; | |
350 + float runewidth = win.cw * ((glyphs[0].mode & ATTR_WIDE) ? 2.0f… | |
351 Rune rune; | |
352 FT_UInt glyphidx; | |
353 FcResult fcres; | |
354 FcPattern *fcpattern, *fontpattern; | |
355 FcFontSet *fcsets[] = { NULL }; | |
356 FcCharSet *fccharset; | |
357 - int i, f, numspecs = 0; | |
358 + int f, code_idx, numspecs = 0; | |
359 + float cluster_xp = xp, cluster_yp = yp; | |
360 + HbTransformData shaped = { 0 }; | |
361 | |
362 - for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) { | |
363 - /* Fetch rune and mode for current glyph. */ | |
364 - rune = glyphs[i].u; | |
365 - mode = glyphs[i].mode; | |
366 + /* Initial values. */ | |
367 + xresetfontsettings(mode, &font, &frcflags); | |
368 | |
369 - /* Skip dummy wide-character spacing. */ | |
370 - if (mode == ATTR_WDUMMY) | |
371 + /* Shape the segment. */ | |
372 + hbtransform(&shaped, font->match, glyphs, 0, len); | |
373 + xp = winx; yp = winy + font->ascent; | |
374 + cluster_xp = xp; cluster_yp = yp; | |
375 + | |
376 + for (code_idx = 0; code_idx < shaped.count; code_idx++) { | |
377 + int idx = shaped.glyphs[code_idx].cluster; | |
378 + | |
379 + if (glyphs[idx].mode & ATTR_WDUMMY) | |
380 continue; | |
381 | |
382 - /* Determine font for glyph if different from previous … | |
383 - if (prevmode != mode) { | |
384 - prevmode = mode; | |
385 - font = &dc.font; | |
386 - frcflags = FRC_NORMAL; | |
387 - runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f… | |
388 - if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD))… | |
389 - font = &dc.ibfont; | |
390 - frcflags = FRC_ITALICBOLD; | |
391 - } else if (mode & ATTR_ITALIC) { | |
392 - font = &dc.ifont; | |
393 - frcflags = FRC_ITALIC; | |
394 - } else if (mode & ATTR_BOLD) { | |
395 - font = &dc.bfont; | |
396 - frcflags = FRC_BOLD; | |
397 - } | |
398 - yp = winy + font->ascent; | |
399 + /* Advance the drawing cursor if we've moved to a new c… | |
400 + if (code_idx > 0 && idx != shaped.glyphs[code_idx - 1].… | |
401 + xp += runewidth; | |
402 + cluster_xp = xp; | |
403 + cluster_yp = yp; | |
404 } | |
405 | |
406 - /* Lookup character index with default font. */ | |
407 - glyphidx = XftCharIndex(xw.dpy, font->match, rune); | |
408 - if (glyphidx) { | |
409 + if (shaped.glyphs[code_idx].codepoint != 0) { | |
410 + /* If symbol is found, put it into the specs. */ | |
411 specs[numspecs].font = font->match; | |
412 - specs[numspecs].glyph = glyphidx; | |
413 - specs[numspecs].x = (short)xp; | |
414 - specs[numspecs].y = (short)yp; | |
415 - xp += runewidth; | |
416 + specs[numspecs].glyph = shaped.glyphs[code_idx]… | |
417 + specs[numspecs].x = cluster_xp + (short)(shaped… | |
418 + specs[numspecs].y = cluster_yp - (short)(shaped… | |
419 + cluster_xp += shaped.positions[code_idx].x_adva… | |
420 + cluster_yp += shaped.positions[code_idx].y_adva… | |
421 numspecs++; | |
422 - continue; | |
423 - } | |
424 - | |
425 - /* Fallback on font cache, search the font cache for ma… | |
426 - for (f = 0; f < frclen; f++) { | |
427 - glyphidx = XftCharIndex(xw.dpy, frc[f].font, ru… | |
428 - /* Everything correct. */ | |
429 - if (glyphidx && frc[f].flags == frcflags) | |
430 - break; | |
431 - /* We got a default font for a not found glyph.… | |
432 - if (!glyphidx && frc[f].flags == frcflags | |
433 - && frc[f].unicodep == rune) { | |
434 - break; | |
435 + } else { | |
436 + /* If it's not found, try to fetch it through t… | |
437 + rune = glyphs[idx].u; | |
438 + for (f = 0; f < frclen; f++) { | |
439 + glyphidx = XftCharIndex(xw.dpy, frc[f].… | |
440 + /* Everything correct. */ | |
441 + if (glyphidx && frc[f].flags == frcflag… | |
442 + break; | |
443 + /* We got a default font for a not foun… | |
444 + if (!glyphidx && frc[f].flags == frcfla… | |
445 + && frc[f].unicodep == r… | |
446 + break; | |
447 + } | |
448 } | |
449 - } | |
450 | |
451 - /* Nothing was found. Use fontconfig to find matching f… | |
452 - if (f >= frclen) { | |
453 - if (!font->set) | |
454 - font->set = FcFontSort(0, font->pattern, | |
455 - 1, 0, &fcres); | |
456 - fcsets[0] = font->set; | |
457 - | |
458 - /* | |
459 - * Nothing was found in the cache. Now use | |
460 - * some dozen of Fontconfig calls to get the | |
461 - * font for one single character. | |
462 - * | |
463 - * Xft and fontconfig are design failures. | |
464 - */ | |
465 - fcpattern = FcPatternDuplicate(font->pattern); | |
466 - fccharset = FcCharSetCreate(); | |
467 - | |
468 - FcCharSetAddChar(fccharset, rune); | |
469 - FcPatternAddCharSet(fcpattern, FC_CHARSET, | |
470 - fccharset); | |
471 - FcPatternAddBool(fcpattern, FC_SCALABLE, 1); | |
472 - | |
473 - FcConfigSubstitute(0, fcpattern, | |
474 - FcMatchPattern); | |
475 - FcDefaultSubstitute(fcpattern); | |
476 - | |
477 - fontpattern = FcFontSetMatch(0, fcsets, 1, | |
478 - fcpattern, &fcres); | |
479 - | |
480 - /* Allocate memory for the new cache entry. */ | |
481 - if (frclen >= frccap) { | |
482 - frccap += 16; | |
483 - frc = xrealloc(frc, frccap * sizeof(Fon… | |
484 + /* Nothing was found. Use fontconfig to find ma… | |
485 + if (f >= frclen) { | |
486 + if (!font->set) | |
487 + font->set = FcFontSort(0, font-… | |
488 + 1, 0, &f… | |
489 + fcsets[0] = font->set; | |
490 + | |
491 + /* | |
492 + * Nothing was found in the cache. Now … | |
493 + * some dozen of Fontconfig calls to ge… | |
494 + * font for one single character. | |
495 + * | |
496 + * Xft and fontconfig are design failur… | |
497 + */ | |
498 + fcpattern = FcPatternDuplicate(font->pa… | |
499 + fccharset = FcCharSetCreate(); | |
500 + | |
501 + FcCharSetAddChar(fccharset, rune); | |
502 + FcPatternAddCharSet(fcpattern, FC_CHARS… | |
503 + fccharset); | |
504 + FcPatternAddBool(fcpattern, FC_SCALABLE… | |
505 + | |
506 + FcConfigSubstitute(0, fcpattern, | |
507 + FcMatchPattern); | |
508 + FcDefaultSubstitute(fcpattern); | |
509 + | |
510 + fontpattern = FcFontSetMatch(0, fcsets,… | |
511 + fcpattern, &fcres); | |
512 + | |
513 + /* Allocate memory for the new cache en… | |
514 + if (frclen >= frccap) { | |
515 + frccap += 16; | |
516 + frc = xrealloc(frc, frccap * si… | |
517 + } | |
518 + | |
519 + frc[frclen].font = XftFontOpenPattern(x… | |
520 + fontpattern); | |
521 + if (!frc[frclen].font) | |
522 + die("XftFontOpenPattern failed … | |
523 + strerror(errno)); | |
524 + frc[frclen].flags = frcflags; | |
525 + frc[frclen].unicodep = rune; | |
526 + | |
527 + glyphidx = XftCharIndex(xw.dpy, frc[frc… | |
528 + | |
529 + f = frclen; | |
530 + frclen++; | |
531 + | |
532 + FcPatternDestroy(fcpattern); | |
533 + FcCharSetDestroy(fccharset); | |
534 } | |
535 | |
536 - frc[frclen].font = XftFontOpenPattern(xw.dpy, | |
537 - fontpattern); | |
538 - if (!frc[frclen].font) | |
539 - die("XftFontOpenPattern failed seeking … | |
540 - strerror(errno)); | |
541 - frc[frclen].flags = frcflags; | |
542 - frc[frclen].unicodep = rune; | |
543 - | |
544 - glyphidx = XftCharIndex(xw.dpy, frc[frclen].fon… | |
545 - | |
546 - f = frclen; | |
547 - frclen++; | |
548 - | |
549 - FcPatternDestroy(fcpattern); | |
550 - FcCharSetDestroy(fccharset); | |
551 + specs[numspecs].font = frc[f].font; | |
552 + specs[numspecs].glyph = glyphidx; | |
553 + specs[numspecs].x = (short)xp; | |
554 + specs[numspecs].y = (short)yp; | |
555 + numspecs++; | |
556 } | |
557 - | |
558 - specs[numspecs].font = frc[f].font; | |
559 - specs[numspecs].glyph = glyphidx; | |
560 - specs[numspecs].x = (short)xp; | |
561 - specs[numspecs].y = (short)yp; | |
562 - xp += runewidth; | |
563 - numspecs++; | |
564 } | |
565 | |
566 + /* Cleanup and get ready for next segment. */ | |
567 + hbcleanup(&shaped); | |
568 return numspecs; | |
569 } | |
570 | |
571 void | |
572 -xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len,… | |
573 +xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len,… | |
574 { | |
575 - int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1); | |
576 int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, | |
577 width = charlen * win.cw; | |
578 Color *fg, *bg, *temp, revfg, revbg, truefg, truebg; | |
579 XRenderColor colfg, colbg; | |
580 @@ -1509,23 +1525,26 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *spec… | |
581 void | |
582 xdrawglyph(Glyph g, int x, int y) | |
583 { | |
584 int numspecs; | |
585 - XftGlyphFontSpec spec; | |
586 + XftGlyphFontSpec *specs = xw.specbuf; | |
587 | |
588 - numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y); | |
589 - xdrawglyphfontspecs(&spec, g, numspecs, x, y); | |
590 + numspecs = xmakeglyphfontspecs(specs, &g, 1, x, y); | |
591 + xdrawglyphfontspecs(specs, g, numspecs, x, y, (g.mode & ATTR_WI… | |
592 } | |
593 | |
594 void | |
595 -xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og) | |
596 +xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og, Line lin… | |
597 { | |
598 Color drawcol; | |
599 | |
600 /* remove the old cursor */ | |
601 if (selected(ox, oy)) | |
602 og.mode ^= ATTR_REVERSE; | |
603 - xdrawglyph(og, ox, oy); | |
604 + | |
605 + /* Redraw the line where cursor was previously. | |
606 + * It will restore the ligatures broken by the cursor. */ | |
607 + xdrawline(line, 0, oy, len); | |
608 | |
609 if (IS_SET(MODE_HIDE)) | |
610 return; | |
611 | |
612 @@ -1657,30 +1676,30 @@ xdrawline(Line line, int x1, int y1, int x2) | |
613 int i, x, ox, numspecs; | |
614 Glyph base, new; | |
615 XftGlyphFontSpec *specs = xw.specbuf; | |
616 | |
617 - numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y… | |
618 i = ox = 0; | |
619 - for (x = x1; x < x2 && i < numspecs; x++) { | |
620 + for (x = x1; x < x2; x++) { | |
621 new = line[x]; | |
622 if (new.mode == ATTR_WDUMMY) | |
623 continue; | |
624 if (selected(x, y1)) | |
625 new.mode ^= ATTR_REVERSE; | |
626 - if (i > 0 && ATTRCMP(base, new)) { | |
627 - xdrawglyphfontspecs(specs, base, i, ox, y1); | |
628 - specs += i; | |
629 - numspecs -= i; | |
630 + if ((i > 0) && ATTRCMP(base, new)) { | |
631 + numspecs = xmakeglyphfontspecs(specs, &line[ox]… | |
632 + xdrawglyphfontspecs(specs, base, numspecs, ox, … | |
633 i = 0; | |
634 } | |
635 if (i == 0) { | |
636 ox = x; | |
637 base = new; | |
638 } | |
639 i++; | |
640 } | |
641 - if (i > 0) | |
642 - xdrawglyphfontspecs(specs, base, i, ox, y1); | |
643 + if (i > 0) { | |
644 + numspecs = xmakeglyphfontspecs(specs, &line[ox], x2 - o… | |
645 + xdrawglyphfontspecs(specs, base, numspecs, ox, y1, x2 -… | |
646 + } | |
647 } | |
648 | |
649 void | |
650 xfinishdraw(void) |