x.c - st - simple terminal | |
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--- | |
x.c (48343B) | |
--- | |
1 /* See LICENSE for license details. */ | |
2 #include <errno.h> | |
3 #include <math.h> | |
4 #include <limits.h> | |
5 #include <locale.h> | |
6 #include <signal.h> | |
7 #include <sys/select.h> | |
8 #include <time.h> | |
9 #include <unistd.h> | |
10 #include <libgen.h> | |
11 #include <X11/Xatom.h> | |
12 #include <X11/Xlib.h> | |
13 #include <X11/cursorfont.h> | |
14 #include <X11/keysym.h> | |
15 #include <X11/Xft/Xft.h> | |
16 #include <X11/XKBlib.h> | |
17 | |
18 char *argv0; | |
19 #include "arg.h" | |
20 #include "st.h" | |
21 #include "win.h" | |
22 | |
23 /* types used in config.h */ | |
24 typedef struct { | |
25 uint mod; | |
26 KeySym keysym; | |
27 void (*func)(const Arg *); | |
28 const Arg arg; | |
29 } Shortcut; | |
30 | |
31 typedef struct { | |
32 uint mod; | |
33 uint button; | |
34 void (*func)(const Arg *); | |
35 const Arg arg; | |
36 uint release; | |
37 } MouseShortcut; | |
38 | |
39 typedef struct { | |
40 KeySym k; | |
41 uint mask; | |
42 char *s; | |
43 /* three-valued logic variables: 0 indifferent, 1 on, -1 off */ | |
44 signed char appkey; /* application keypad */ | |
45 signed char appcursor; /* application cursor */ | |
46 } Key; | |
47 | |
48 /* X modifiers */ | |
49 #define XK_ANY_MOD UINT_MAX | |
50 #define XK_NO_MOD 0 | |
51 #define XK_SWITCH_MOD (1<<13|1<<14) | |
52 | |
53 /* function definitions used in config.h */ | |
54 static void clipcopy(const Arg *); | |
55 static void clippaste(const Arg *); | |
56 static void numlock(const Arg *); | |
57 static void selpaste(const Arg *); | |
58 static void zoom(const Arg *); | |
59 static void zoomabs(const Arg *); | |
60 static void zoomreset(const Arg *); | |
61 static void ttysend(const Arg *); | |
62 | |
63 /* config.h for applying patches and the configuration. */ | |
64 #include "config.h" | |
65 | |
66 /* XEMBED messages */ | |
67 #define XEMBED_FOCUS_IN 4 | |
68 #define XEMBED_FOCUS_OUT 5 | |
69 | |
70 /* macros */ | |
71 #define IS_SET(flag) ((win.mode & (flag)) != 0) | |
72 #define TRUERED(x) (((x) & 0xff0000) >> 8) | |
73 #define TRUEGREEN(x) (((x) & 0xff00)) | |
74 #define TRUEBLUE(x) (((x) & 0xff) << 8) | |
75 | |
76 typedef XftDraw *Draw; | |
77 typedef XftColor Color; | |
78 typedef XftGlyphFontSpec GlyphFontSpec; | |
79 | |
80 /* Purely graphic info */ | |
81 typedef struct { | |
82 int tw, th; /* tty width and height */ | |
83 int w, h; /* window width and height */ | |
84 int ch; /* char height */ | |
85 int cw; /* char width */ | |
86 int mode; /* window state/mode flags */ | |
87 int cursor; /* cursor style */ | |
88 } TermWindow; | |
89 | |
90 typedef struct { | |
91 Display *dpy; | |
92 Colormap cmap; | |
93 Window win; | |
94 Drawable buf; | |
95 GlyphFontSpec *specbuf; /* font spec buffer used for rendering */ | |
96 Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid; | |
97 struct { | |
98 XIM xim; | |
99 XIC xic; | |
100 XPoint spot; | |
101 XVaNestedList spotlist; | |
102 } ime; | |
103 Draw draw; | |
104 Visual *vis; | |
105 XSetWindowAttributes attrs; | |
106 int scr; | |
107 int isfixed; /* is fixed geometry? */ | |
108 int l, t; /* left and top offset */ | |
109 int gm; /* geometry mask */ | |
110 } XWindow; | |
111 | |
112 typedef struct { | |
113 Atom xtarget; | |
114 char *primary, *clipboard; | |
115 struct timespec tclick1; | |
116 struct timespec tclick2; | |
117 } XSelection; | |
118 | |
119 /* Font structure */ | |
120 #define Font Font_ | |
121 typedef struct { | |
122 int height; | |
123 int width; | |
124 int ascent; | |
125 int descent; | |
126 int badslant; | |
127 int badweight; | |
128 short lbearing; | |
129 short rbearing; | |
130 XftFont *match; | |
131 FcFontSet *set; | |
132 FcPattern *pattern; | |
133 } Font; | |
134 | |
135 /* Drawing Context */ | |
136 typedef struct { | |
137 Color *col; | |
138 size_t collen; | |
139 Font font, bfont, ifont, ibfont; | |
140 GC gc; | |
141 } DC; | |
142 | |
143 static inline ushort sixd_to_16bit(int); | |
144 static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, i… | |
145 static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, in… | |
146 static void xdrawglyph(Glyph, int, int); | |
147 static void xclear(int, int, int, int); | |
148 static int xgeommasktogravity(int); | |
149 static int ximopen(Display *); | |
150 static void ximinstantiate(Display *, XPointer, XPointer); | |
151 static void ximdestroy(XIM, XPointer, XPointer); | |
152 static int xicdestroy(XIC, XPointer, XPointer); | |
153 static void xinit(int, int); | |
154 static void cresize(int, int); | |
155 static void xresize(int, int); | |
156 static void xhints(void); | |
157 static int xloadcolor(int, const char *, Color *); | |
158 static int xloadfont(Font *, FcPattern *); | |
159 static void xloadfonts(const char *, double); | |
160 static void xunloadfont(Font *); | |
161 static void xunloadfonts(void); | |
162 static void xsetenv(void); | |
163 static void xseturgency(int); | |
164 static int evcol(XEvent *); | |
165 static int evrow(XEvent *); | |
166 | |
167 static void expose(XEvent *); | |
168 static void visibility(XEvent *); | |
169 static void unmap(XEvent *); | |
170 static void kpress(XEvent *); | |
171 static void cmessage(XEvent *); | |
172 static void resize(XEvent *); | |
173 static void focus(XEvent *); | |
174 static uint buttonmask(uint); | |
175 static int mouseaction(XEvent *, uint); | |
176 static void brelease(XEvent *); | |
177 static void bpress(XEvent *); | |
178 static void bmotion(XEvent *); | |
179 static void propnotify(XEvent *); | |
180 static void selnotify(XEvent *); | |
181 static void selclear_(XEvent *); | |
182 static void selrequest(XEvent *); | |
183 static void setsel(char *, Time); | |
184 static void mousesel(XEvent *, int); | |
185 static void mousereport(XEvent *); | |
186 static char *kmap(KeySym, uint); | |
187 static int match(uint, uint); | |
188 | |
189 static void run(void); | |
190 static void usage(void); | |
191 | |
192 static void (*handler[LASTEvent])(XEvent *) = { | |
193 [KeyPress] = kpress, | |
194 [ClientMessage] = cmessage, | |
195 [ConfigureNotify] = resize, | |
196 [VisibilityNotify] = visibility, | |
197 [UnmapNotify] = unmap, | |
198 [Expose] = expose, | |
199 [FocusIn] = focus, | |
200 [FocusOut] = focus, | |
201 [MotionNotify] = bmotion, | |
202 [ButtonPress] = bpress, | |
203 [ButtonRelease] = brelease, | |
204 /* | |
205 * Uncomment if you want the selection to disappear when you select some… | |
206 * different in another window. | |
207 */ | |
208 /* [SelectionClear] = selclear_, */ | |
209 [SelectionNotify] = selnotify, | |
210 /* | |
211 * PropertyNotify is only turned on when there is some INCR transfer hap… | |
212 * for the selection retrieval. | |
213 */ | |
214 [PropertyNotify] = propnotify, | |
215 [SelectionRequest] = selrequest, | |
216 }; | |
217 | |
218 /* Globals */ | |
219 static DC dc; | |
220 static XWindow xw; | |
221 static XSelection xsel; | |
222 static TermWindow win; | |
223 | |
224 /* Font Ring Cache */ | |
225 enum { | |
226 FRC_NORMAL, | |
227 FRC_ITALIC, | |
228 FRC_BOLD, | |
229 FRC_ITALICBOLD | |
230 }; | |
231 | |
232 typedef struct { | |
233 XftFont *font; | |
234 int flags; | |
235 Rune unicodep; | |
236 } Fontcache; | |
237 | |
238 /* Fontcache is an array now. A new font will be appended to the array. … | |
239 static Fontcache *frc = NULL; | |
240 static int frclen = 0; | |
241 static int frccap = 0; | |
242 static char *usedfont = NULL; | |
243 static double usedfontsize = 0; | |
244 static double defaultfontsize = 0; | |
245 | |
246 static char *opt_class = NULL; | |
247 static char **opt_cmd = NULL; | |
248 static char *opt_embed = NULL; | |
249 static char *opt_font = NULL; | |
250 static char *opt_io = NULL; | |
251 static char *opt_line = NULL; | |
252 static char *opt_name = NULL; | |
253 static char *opt_title = NULL; | |
254 | |
255 static uint buttons; /* bit field of pressed buttons */ | |
256 | |
257 void | |
258 clipcopy(const Arg *dummy) | |
259 { | |
260 Atom clipboard; | |
261 | |
262 free(xsel.clipboard); | |
263 xsel.clipboard = NULL; | |
264 | |
265 if (xsel.primary != NULL) { | |
266 xsel.clipboard = xstrdup(xsel.primary); | |
267 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); | |
268 XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTim… | |
269 } | |
270 } | |
271 | |
272 void | |
273 clippaste(const Arg *dummy) | |
274 { | |
275 Atom clipboard; | |
276 | |
277 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); | |
278 XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard, | |
279 xw.win, CurrentTime); | |
280 } | |
281 | |
282 void | |
283 selpaste(const Arg *dummy) | |
284 { | |
285 XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY, | |
286 xw.win, CurrentTime); | |
287 } | |
288 | |
289 void | |
290 numlock(const Arg *dummy) | |
291 { | |
292 win.mode ^= MODE_NUMLOCK; | |
293 } | |
294 | |
295 void | |
296 zoom(const Arg *arg) | |
297 { | |
298 Arg larg; | |
299 | |
300 larg.f = usedfontsize + arg->f; | |
301 zoomabs(&larg); | |
302 } | |
303 | |
304 void | |
305 zoomabs(const Arg *arg) | |
306 { | |
307 xunloadfonts(); | |
308 xloadfonts(usedfont, arg->f); | |
309 cresize(0, 0); | |
310 redraw(); | |
311 xhints(); | |
312 } | |
313 | |
314 void | |
315 zoomreset(const Arg *arg) | |
316 { | |
317 Arg larg; | |
318 | |
319 if (defaultfontsize > 0) { | |
320 larg.f = defaultfontsize; | |
321 zoomabs(&larg); | |
322 } | |
323 } | |
324 | |
325 void | |
326 ttysend(const Arg *arg) | |
327 { | |
328 ttywrite(arg->s, strlen(arg->s), 1); | |
329 } | |
330 | |
331 int | |
332 evcol(XEvent *e) | |
333 { | |
334 int x = e->xbutton.x - borderpx; | |
335 LIMIT(x, 0, win.tw - 1); | |
336 return x / win.cw; | |
337 } | |
338 | |
339 int | |
340 evrow(XEvent *e) | |
341 { | |
342 int y = e->xbutton.y - borderpx; | |
343 LIMIT(y, 0, win.th - 1); | |
344 return y / win.ch; | |
345 } | |
346 | |
347 void | |
348 mousesel(XEvent *e, int done) | |
349 { | |
350 int type, seltype = SEL_REGULAR; | |
351 uint state = e->xbutton.state & ~(Button1Mask | forcemousemod); | |
352 | |
353 for (type = 1; type < LEN(selmasks); ++type) { | |
354 if (match(selmasks[type], state)) { | |
355 seltype = type; | |
356 break; | |
357 } | |
358 } | |
359 selextend(evcol(e), evrow(e), seltype, done); | |
360 if (done) | |
361 setsel(getsel(), e->xbutton.time); | |
362 } | |
363 | |
364 void | |
365 mousereport(XEvent *e) | |
366 { | |
367 int len, btn, code; | |
368 int x = evcol(e), y = evrow(e); | |
369 int state = e->xbutton.state; | |
370 char buf[40]; | |
371 static int ox, oy; | |
372 | |
373 if (e->type == MotionNotify) { | |
374 if (x == ox && y == oy) | |
375 return; | |
376 if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY)) | |
377 return; | |
378 /* MODE_MOUSEMOTION: no reporting if no button is presse… | |
379 if (IS_SET(MODE_MOUSEMOTION) && buttons == 0) | |
380 return; | |
381 /* Set btn to lowest-numbered pressed button, or 12 if no | |
382 * buttons are pressed. */ | |
383 for (btn = 1; btn <= 11 && !(buttons & (1<<(btn-1))); bt… | |
384 ; | |
385 code = 32; | |
386 } else { | |
387 btn = e->xbutton.button; | |
388 /* Only buttons 1 through 11 can be encoded */ | |
389 if (btn < 1 || btn > 11) | |
390 return; | |
391 if (e->type == ButtonRelease) { | |
392 /* MODE_MOUSEX10: no button release reporting */ | |
393 if (IS_SET(MODE_MOUSEX10)) | |
394 return; | |
395 /* Don't send release events for the scroll whee… | |
396 if (btn == 4 || btn == 5) | |
397 return; | |
398 } | |
399 code = 0; | |
400 } | |
401 | |
402 ox = x; | |
403 oy = y; | |
404 | |
405 /* Encode btn into code. If no button is pressed for a motion ev… | |
406 * MODE_MOUSEMANY, then encode it as a release. */ | |
407 if ((!IS_SET(MODE_MOUSESGR) && e->type == ButtonRelease) || btn … | |
408 code += 3; | |
409 else if (btn >= 8) | |
410 code += 128 + btn - 8; | |
411 else if (btn >= 4) | |
412 code += 64 + btn - 4; | |
413 else | |
414 code += btn - 1; | |
415 | |
416 if (!IS_SET(MODE_MOUSEX10)) { | |
417 code += ((state & ShiftMask ) ? 4 : 0) | |
418 + ((state & Mod1Mask ) ? 8 : 0) /* meta key: al… | |
419 + ((state & ControlMask) ? 16 : 0); | |
420 } | |
421 | |
422 if (IS_SET(MODE_MOUSESGR)) { | |
423 len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c", | |
424 code, x+1, y+1, | |
425 e->type == ButtonRelease ? 'm' : 'M'); | |
426 } else if (x < 223 && y < 223) { | |
427 len = snprintf(buf, sizeof(buf), "\033[M%c%c%c", | |
428 32+code, 32+x+1, 32+y+1); | |
429 } else { | |
430 return; | |
431 } | |
432 | |
433 ttywrite(buf, len, 0); | |
434 } | |
435 | |
436 uint | |
437 buttonmask(uint button) | |
438 { | |
439 return button == Button1 ? Button1Mask | |
440 : button == Button2 ? Button2Mask | |
441 : button == Button3 ? Button3Mask | |
442 : button == Button4 ? Button4Mask | |
443 : button == Button5 ? Button5Mask | |
444 : 0; | |
445 } | |
446 | |
447 int | |
448 mouseaction(XEvent *e, uint release) | |
449 { | |
450 MouseShortcut *ms; | |
451 | |
452 /* ignore Button<N>mask for Button<N> - it's set on release */ | |
453 uint state = e->xbutton.state & ~buttonmask(e->xbutton.button); | |
454 | |
455 for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) { | |
456 if (ms->release == release && | |
457 ms->button == e->xbutton.button && | |
458 (match(ms->mod, state) || /* exact or forced */ | |
459 match(ms->mod, state & ~forcemousemod))) { | |
460 ms->func(&(ms->arg)); | |
461 return 1; | |
462 } | |
463 } | |
464 | |
465 return 0; | |
466 } | |
467 | |
468 void | |
469 bpress(XEvent *e) | |
470 { | |
471 int btn = e->xbutton.button; | |
472 struct timespec now; | |
473 int snap; | |
474 | |
475 if (1 <= btn && btn <= 11) | |
476 buttons |= 1 << (btn-1); | |
477 | |
478 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { | |
479 mousereport(e); | |
480 return; | |
481 } | |
482 | |
483 if (mouseaction(e, 0)) | |
484 return; | |
485 | |
486 if (btn == Button1) { | |
487 /* | |
488 * If the user clicks below predefined timeouts specific | |
489 * snapping behaviour is exposed. | |
490 */ | |
491 clock_gettime(CLOCK_MONOTONIC, &now); | |
492 if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) { | |
493 snap = SNAP_LINE; | |
494 } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktim… | |
495 snap = SNAP_WORD; | |
496 } else { | |
497 snap = 0; | |
498 } | |
499 xsel.tclick2 = xsel.tclick1; | |
500 xsel.tclick1 = now; | |
501 | |
502 selstart(evcol(e), evrow(e), snap); | |
503 } | |
504 } | |
505 | |
506 void | |
507 propnotify(XEvent *e) | |
508 { | |
509 XPropertyEvent *xpev; | |
510 Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); | |
511 | |
512 xpev = &e->xproperty; | |
513 if (xpev->state == PropertyNewValue && | |
514 (xpev->atom == XA_PRIMARY || | |
515 xpev->atom == clipboard)) { | |
516 selnotify(e); | |
517 } | |
518 } | |
519 | |
520 void | |
521 selnotify(XEvent *e) | |
522 { | |
523 ulong nitems, ofs, rem; | |
524 int format; | |
525 uchar *data, *last, *repl; | |
526 Atom type, incratom, property = None; | |
527 | |
528 incratom = XInternAtom(xw.dpy, "INCR", 0); | |
529 | |
530 ofs = 0; | |
531 if (e->type == SelectionNotify) | |
532 property = e->xselection.property; | |
533 else if (e->type == PropertyNotify) | |
534 property = e->xproperty.atom; | |
535 | |
536 if (property == None) | |
537 return; | |
538 | |
539 do { | |
540 if (XGetWindowProperty(xw.dpy, xw.win, property, ofs, | |
541 BUFSIZ/4, False, AnyPropertyType, | |
542 &type, &format, &nitems, &rem, | |
543 &data)) { | |
544 fprintf(stderr, "Clipboard allocation failed\n"); | |
545 return; | |
546 } | |
547 | |
548 if (e->type == PropertyNotify && nitems == 0 && rem == 0… | |
549 /* | |
550 * If there is some PropertyNotify with no data,… | |
551 * this is the signal of the selection owner tha… | |
552 * data has been transferred. We won't need to r… | |
553 * PropertyNotify events anymore. | |
554 */ | |
555 MODBIT(xw.attrs.event_mask, 0, PropertyChangeMas… | |
556 XChangeWindowAttributes(xw.dpy, xw.win, CWEventM… | |
557 &xw.attrs); | |
558 } | |
559 | |
560 if (type == incratom) { | |
561 /* | |
562 * Activate the PropertyNotify events so we rece… | |
563 * when the selection owner does send us the next | |
564 * chunk of data. | |
565 */ | |
566 MODBIT(xw.attrs.event_mask, 1, PropertyChangeMas… | |
567 XChangeWindowAttributes(xw.dpy, xw.win, CWEventM… | |
568 &xw.attrs); | |
569 | |
570 /* | |
571 * Deleting the property is the transfer start s… | |
572 */ | |
573 XDeleteProperty(xw.dpy, xw.win, (int)property); | |
574 continue; | |
575 } | |
576 | |
577 /* | |
578 * As seen in getsel: | |
579 * Line endings are inconsistent in the terminal and GUI… | |
580 * copy and pasting. When receiving some selection data, | |
581 * replace all '\n' with '\r'. | |
582 * FIXME: Fix the computer world. | |
583 */ | |
584 repl = data; | |
585 last = data + nitems * format / 8; | |
586 while ((repl = memchr(repl, '\n', last - repl))) { | |
587 *repl++ = '\r'; | |
588 } | |
589 | |
590 if (IS_SET(MODE_BRCKTPASTE) && ofs == 0) | |
591 ttywrite("\033[200~", 6, 0); | |
592 ttywrite((char *)data, nitems * format / 8, 1); | |
593 if (IS_SET(MODE_BRCKTPASTE) && rem == 0) | |
594 ttywrite("\033[201~", 6, 0); | |
595 XFree(data); | |
596 /* number of 32-bit chunks returned */ | |
597 ofs += nitems * format / 32; | |
598 } while (rem > 0); | |
599 | |
600 /* | |
601 * Deleting the property again tells the selection owner to send… | |
602 * next data chunk in the property. | |
603 */ | |
604 XDeleteProperty(xw.dpy, xw.win, (int)property); | |
605 } | |
606 | |
607 void | |
608 xclipcopy(void) | |
609 { | |
610 clipcopy(NULL); | |
611 } | |
612 | |
613 void | |
614 selclear_(XEvent *e) | |
615 { | |
616 selclear(); | |
617 } | |
618 | |
619 void | |
620 selrequest(XEvent *e) | |
621 { | |
622 XSelectionRequestEvent *xsre; | |
623 XSelectionEvent xev; | |
624 Atom xa_targets, string, clipboard; | |
625 char *seltext; | |
626 | |
627 xsre = (XSelectionRequestEvent *) e; | |
628 xev.type = SelectionNotify; | |
629 xev.requestor = xsre->requestor; | |
630 xev.selection = xsre->selection; | |
631 xev.target = xsre->target; | |
632 xev.time = xsre->time; | |
633 if (xsre->property == None) | |
634 xsre->property = xsre->target; | |
635 | |
636 /* reject */ | |
637 xev.property = None; | |
638 | |
639 xa_targets = XInternAtom(xw.dpy, "TARGETS", 0); | |
640 if (xsre->target == xa_targets) { | |
641 /* respond with the supported type */ | |
642 string = xsel.xtarget; | |
643 XChangeProperty(xsre->display, xsre->requestor, xsre->pr… | |
644 XA_ATOM, 32, PropModeReplace, | |
645 (uchar *) &string, 1); | |
646 xev.property = xsre->property; | |
647 } else if (xsre->target == xsel.xtarget || xsre->target == XA_ST… | |
648 /* | |
649 * xith XA_STRING non ascii characters may be incorrect … | |
650 * requestor. It is not our problem, use utf8. | |
651 */ | |
652 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); | |
653 if (xsre->selection == XA_PRIMARY) { | |
654 seltext = xsel.primary; | |
655 } else if (xsre->selection == clipboard) { | |
656 seltext = xsel.clipboard; | |
657 } else { | |
658 fprintf(stderr, | |
659 "Unhandled clipboard selection 0x%lx\n", | |
660 xsre->selection); | |
661 return; | |
662 } | |
663 if (seltext != NULL) { | |
664 XChangeProperty(xsre->display, xsre->requestor, | |
665 xsre->property, xsre->target, | |
666 8, PropModeReplace, | |
667 (uchar *)seltext, strlen(seltext… | |
668 xev.property = xsre->property; | |
669 } | |
670 } | |
671 | |
672 /* all done, send a notification to the listener */ | |
673 if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *)… | |
674 fprintf(stderr, "Error sending SelectionNotify event\n"); | |
675 } | |
676 | |
677 void | |
678 setsel(char *str, Time t) | |
679 { | |
680 if (!str) | |
681 return; | |
682 | |
683 free(xsel.primary); | |
684 xsel.primary = str; | |
685 | |
686 XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t); | |
687 if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win) | |
688 selclear(); | |
689 } | |
690 | |
691 void | |
692 xsetsel(char *str) | |
693 { | |
694 setsel(str, CurrentTime); | |
695 } | |
696 | |
697 void | |
698 brelease(XEvent *e) | |
699 { | |
700 int btn = e->xbutton.button; | |
701 | |
702 if (1 <= btn && btn <= 11) | |
703 buttons &= ~(1 << (btn-1)); | |
704 | |
705 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { | |
706 mousereport(e); | |
707 return; | |
708 } | |
709 | |
710 if (mouseaction(e, 1)) | |
711 return; | |
712 if (btn == Button1) | |
713 mousesel(e, 1); | |
714 } | |
715 | |
716 void | |
717 bmotion(XEvent *e) | |
718 { | |
719 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { | |
720 mousereport(e); | |
721 return; | |
722 } | |
723 | |
724 mousesel(e, 0); | |
725 } | |
726 | |
727 void | |
728 cresize(int width, int height) | |
729 { | |
730 int col, row; | |
731 | |
732 if (width != 0) | |
733 win.w = width; | |
734 if (height != 0) | |
735 win.h = height; | |
736 | |
737 col = (win.w - 2 * borderpx) / win.cw; | |
738 row = (win.h - 2 * borderpx) / win.ch; | |
739 col = MAX(1, col); | |
740 row = MAX(1, row); | |
741 | |
742 tresize(col, row); | |
743 xresize(col, row); | |
744 ttyresize(win.tw, win.th); | |
745 } | |
746 | |
747 void | |
748 xresize(int col, int row) | |
749 { | |
750 win.tw = col * win.cw; | |
751 win.th = row * win.ch; | |
752 | |
753 XFreePixmap(xw.dpy, xw.buf); | |
754 xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, | |
755 DefaultDepth(xw.dpy, xw.scr)); | |
756 XftDrawChange(xw.draw, xw.buf); | |
757 xclear(0, 0, win.w, win.h); | |
758 | |
759 /* resize to new width */ | |
760 xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec)); | |
761 } | |
762 | |
763 ushort | |
764 sixd_to_16bit(int x) | |
765 { | |
766 return x == 0 ? 0 : 0x3737 + 0x2828 * x; | |
767 } | |
768 | |
769 int | |
770 xloadcolor(int i, const char *name, Color *ncolor) | |
771 { | |
772 XRenderColor color = { .alpha = 0xffff }; | |
773 | |
774 if (!name) { | |
775 if (BETWEEN(i, 16, 255)) { /* 256 color */ | |
776 if (i < 6*6*6+16) { /* same colors as xterm */ | |
777 color.red = sixd_to_16bit( ((i-16)/36)… | |
778 color.green = sixd_to_16bit( ((i-16)/6) … | |
779 color.blue = sixd_to_16bit( ((i-16)/1) … | |
780 } else { /* greyscale */ | |
781 color.red = 0x0808 + 0x0a0a * (i - (6*6*… | |
782 color.green = color.blue = color.red; | |
783 } | |
784 return XftColorAllocValue(xw.dpy, xw.vis, | |
785 xw.cmap, &color, ncolo… | |
786 } else | |
787 name = colorname[i]; | |
788 } | |
789 | |
790 return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor); | |
791 } | |
792 | |
793 void | |
794 xloadcols(void) | |
795 { | |
796 int i; | |
797 static int loaded; | |
798 Color *cp; | |
799 | |
800 if (loaded) { | |
801 for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp) | |
802 XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); | |
803 } else { | |
804 dc.collen = MAX(LEN(colorname), 256); | |
805 dc.col = xmalloc(dc.collen * sizeof(Color)); | |
806 } | |
807 | |
808 for (i = 0; i < dc.collen; i++) | |
809 if (!xloadcolor(i, NULL, &dc.col[i])) { | |
810 if (colorname[i]) | |
811 die("could not allocate color '%s'\n", c… | |
812 else | |
813 die("could not allocate color %d\n", i); | |
814 } | |
815 loaded = 1; | |
816 } | |
817 | |
818 int | |
819 xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b) | |
820 { | |
821 if (!BETWEEN(x, 0, dc.collen - 1)) | |
822 return 1; | |
823 | |
824 *r = dc.col[x].color.red >> 8; | |
825 *g = dc.col[x].color.green >> 8; | |
826 *b = dc.col[x].color.blue >> 8; | |
827 | |
828 return 0; | |
829 } | |
830 | |
831 int | |
832 xsetcolorname(int x, const char *name) | |
833 { | |
834 Color ncolor; | |
835 | |
836 if (!BETWEEN(x, 0, dc.collen - 1)) | |
837 return 1; | |
838 | |
839 if (!xloadcolor(x, name, &ncolor)) | |
840 return 1; | |
841 | |
842 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); | |
843 dc.col[x] = ncolor; | |
844 | |
845 return 0; | |
846 } | |
847 | |
848 /* | |
849 * Absolute coordinates. | |
850 */ | |
851 void | |
852 xclear(int x1, int y1, int x2, int y2) | |
853 { | |
854 XftDrawRect(xw.draw, | |
855 &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaul… | |
856 x1, y1, x2-x1, y2-y1); | |
857 } | |
858 | |
859 void | |
860 xhints(void) | |
861 { | |
862 XClassHint class = {opt_name ? opt_name : termname, | |
863 opt_class ? opt_class : termname}; | |
864 XWMHints wm = {.flags = InputHint, .input = 1}; | |
865 XSizeHints *sizeh; | |
866 | |
867 sizeh = XAllocSizeHints(); | |
868 | |
869 sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize; | |
870 sizeh->height = win.h; | |
871 sizeh->width = win.w; | |
872 sizeh->height_inc = win.ch; | |
873 sizeh->width_inc = win.cw; | |
874 sizeh->base_height = 2 * borderpx; | |
875 sizeh->base_width = 2 * borderpx; | |
876 sizeh->min_height = win.ch + 2 * borderpx; | |
877 sizeh->min_width = win.cw + 2 * borderpx; | |
878 if (xw.isfixed) { | |
879 sizeh->flags |= PMaxSize; | |
880 sizeh->min_width = sizeh->max_width = win.w; | |
881 sizeh->min_height = sizeh->max_height = win.h; | |
882 } | |
883 if (xw.gm & (XValue|YValue)) { | |
884 sizeh->flags |= USPosition | PWinGravity; | |
885 sizeh->x = xw.l; | |
886 sizeh->y = xw.t; | |
887 sizeh->win_gravity = xgeommasktogravity(xw.gm); | |
888 } | |
889 | |
890 XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, | |
891 &class); | |
892 XFree(sizeh); | |
893 } | |
894 | |
895 int | |
896 xgeommasktogravity(int mask) | |
897 { | |
898 switch (mask & (XNegative|YNegative)) { | |
899 case 0: | |
900 return NorthWestGravity; | |
901 case XNegative: | |
902 return NorthEastGravity; | |
903 case YNegative: | |
904 return SouthWestGravity; | |
905 } | |
906 | |
907 return SouthEastGravity; | |
908 } | |
909 | |
910 int | |
911 xloadfont(Font *f, FcPattern *pattern) | |
912 { | |
913 FcPattern *configured; | |
914 FcPattern *match; | |
915 FcResult result; | |
916 XGlyphInfo extents; | |
917 int wantattr, haveattr; | |
918 | |
919 /* | |
920 * Manually configure instead of calling XftMatchFont | |
921 * so that we can use the configured pattern for | |
922 * "missing glyph" lookups. | |
923 */ | |
924 configured = FcPatternDuplicate(pattern); | |
925 if (!configured) | |
926 return 1; | |
927 | |
928 FcConfigSubstitute(NULL, configured, FcMatchPattern); | |
929 XftDefaultSubstitute(xw.dpy, xw.scr, configured); | |
930 | |
931 match = FcFontMatch(NULL, configured, &result); | |
932 if (!match) { | |
933 FcPatternDestroy(configured); | |
934 return 1; | |
935 } | |
936 | |
937 if (!(f->match = XftFontOpenPattern(xw.dpy, match))) { | |
938 FcPatternDestroy(configured); | |
939 FcPatternDestroy(match); | |
940 return 1; | |
941 } | |
942 | |
943 if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) == | |
944 XftResultMatch)) { | |
945 /* | |
946 * Check if xft was unable to find a font with the appro… | |
947 * slant but gave us one anyway. Try to mitigate. | |
948 */ | |
949 if ((XftPatternGetInteger(f->match->pattern, "slant", 0, | |
950 &haveattr) != XftResultMatch) || haveattr < wantattr… | |
951 f->badslant = 1; | |
952 fputs("font slant does not match\n", stderr); | |
953 } | |
954 } | |
955 | |
956 if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) == | |
957 XftResultMatch)) { | |
958 if ((XftPatternGetInteger(f->match->pattern, "weight", 0, | |
959 &haveattr) != XftResultMatch) || haveattr != wantatt… | |
960 f->badweight = 1; | |
961 fputs("font weight does not match\n", stderr); | |
962 } | |
963 } | |
964 | |
965 XftTextExtentsUtf8(xw.dpy, f->match, | |
966 (const FcChar8 *) ascii_printable, | |
967 strlen(ascii_printable), &extents); | |
968 | |
969 f->set = NULL; | |
970 f->pattern = configured; | |
971 | |
972 f->ascent = f->match->ascent; | |
973 f->descent = f->match->descent; | |
974 f->lbearing = 0; | |
975 f->rbearing = f->match->max_advance_width; | |
976 | |
977 f->height = f->ascent + f->descent; | |
978 f->width = DIVCEIL(extents.xOff, strlen(ascii_printable)); | |
979 | |
980 return 0; | |
981 } | |
982 | |
983 void | |
984 xloadfonts(const char *fontstr, double fontsize) | |
985 { | |
986 FcPattern *pattern; | |
987 double fontval; | |
988 | |
989 if (fontstr[0] == '-') | |
990 pattern = XftXlfdParse(fontstr, False, False); | |
991 else | |
992 pattern = FcNameParse((const FcChar8 *)fontstr); | |
993 | |
994 if (!pattern) | |
995 die("can't open font %s\n", fontstr); | |
996 | |
997 if (fontsize > 1) { | |
998 FcPatternDel(pattern, FC_PIXEL_SIZE); | |
999 FcPatternDel(pattern, FC_SIZE); | |
1000 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fonts… | |
1001 usedfontsize = fontsize; | |
1002 } else { | |
1003 if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontv… | |
1004 FcResultMatch) { | |
1005 usedfontsize = fontval; | |
1006 } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &font… | |
1007 FcResultMatch) { | |
1008 usedfontsize = -1; | |
1009 } else { | |
1010 /* | |
1011 * Default font size is 12, if none given. This … | |
1012 * have a known usedfontsize value. | |
1013 */ | |
1014 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12); | |
1015 usedfontsize = 12; | |
1016 } | |
1017 defaultfontsize = usedfontsize; | |
1018 } | |
1019 | |
1020 if (xloadfont(&dc.font, pattern)) | |
1021 die("can't open font %s\n", fontstr); | |
1022 | |
1023 if (usedfontsize < 0) { | |
1024 FcPatternGetDouble(dc.font.match->pattern, | |
1025 FC_PIXEL_SIZE, 0, &fontval); | |
1026 usedfontsize = fontval; | |
1027 if (fontsize == 0) | |
1028 defaultfontsize = fontval; | |
1029 } | |
1030 | |
1031 /* Setting character width and height. */ | |
1032 win.cw = ceilf(dc.font.width * cwscale); | |
1033 win.ch = ceilf(dc.font.height * chscale); | |
1034 | |
1035 FcPatternDel(pattern, FC_SLANT); | |
1036 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC); | |
1037 if (xloadfont(&dc.ifont, pattern)) | |
1038 die("can't open font %s\n", fontstr); | |
1039 | |
1040 FcPatternDel(pattern, FC_WEIGHT); | |
1041 FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD); | |
1042 if (xloadfont(&dc.ibfont, pattern)) | |
1043 die("can't open font %s\n", fontstr); | |
1044 | |
1045 FcPatternDel(pattern, FC_SLANT); | |
1046 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN); | |
1047 if (xloadfont(&dc.bfont, pattern)) | |
1048 die("can't open font %s\n", fontstr); | |
1049 | |
1050 FcPatternDestroy(pattern); | |
1051 } | |
1052 | |
1053 void | |
1054 xunloadfont(Font *f) | |
1055 { | |
1056 XftFontClose(xw.dpy, f->match); | |
1057 FcPatternDestroy(f->pattern); | |
1058 if (f->set) | |
1059 FcFontSetDestroy(f->set); | |
1060 } | |
1061 | |
1062 void | |
1063 xunloadfonts(void) | |
1064 { | |
1065 /* Free the loaded fonts in the font cache. */ | |
1066 while (frclen > 0) | |
1067 XftFontClose(xw.dpy, frc[--frclen].font); | |
1068 | |
1069 xunloadfont(&dc.font); | |
1070 xunloadfont(&dc.bfont); | |
1071 xunloadfont(&dc.ifont); | |
1072 xunloadfont(&dc.ibfont); | |
1073 } | |
1074 | |
1075 int | |
1076 ximopen(Display *dpy) | |
1077 { | |
1078 XIMCallback imdestroy = { .client_data = NULL, .callback = ximde… | |
1079 XICCallback icdestroy = { .client_data = NULL, .callback = xicde… | |
1080 | |
1081 xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL); | |
1082 if (xw.ime.xim == NULL) | |
1083 return 0; | |
1084 | |
1085 if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, NULL… | |
1086 fprintf(stderr, "XSetIMValues: " | |
1087 "Could not set XNDestroyCallback.\n"); | |
1088 | |
1089 xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime… | |
1090 NULL); | |
1091 | |
1092 if (xw.ime.xic == NULL) { | |
1093 xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle, | |
1094 XIMPreeditNothing | XIMStatusNoth… | |
1095 XNClientWindow, xw.win, | |
1096 XNDestroyCallback, &icdestroy, | |
1097 NULL); | |
1098 } | |
1099 if (xw.ime.xic == NULL) | |
1100 fprintf(stderr, "XCreateIC: Could not create input conte… | |
1101 | |
1102 return 1; | |
1103 } | |
1104 | |
1105 void | |
1106 ximinstantiate(Display *dpy, XPointer client, XPointer call) | |
1107 { | |
1108 if (ximopen(dpy)) | |
1109 XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NUL… | |
1110 ximinstantiate, NULL); | |
1111 } | |
1112 | |
1113 void | |
1114 ximdestroy(XIM xim, XPointer client, XPointer call) | |
1115 { | |
1116 xw.ime.xim = NULL; | |
1117 XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, | |
1118 ximinstantiate, NULL); | |
1119 XFree(xw.ime.spotlist); | |
1120 } | |
1121 | |
1122 int | |
1123 xicdestroy(XIC xim, XPointer client, XPointer call) | |
1124 { | |
1125 xw.ime.xic = NULL; | |
1126 return 1; | |
1127 } | |
1128 | |
1129 void | |
1130 xinit(int cols, int rows) | |
1131 { | |
1132 XGCValues gcvalues; | |
1133 Cursor cursor; | |
1134 Window parent, root; | |
1135 pid_t thispid = getpid(); | |
1136 XColor xmousefg, xmousebg; | |
1137 | |
1138 if (!(xw.dpy = XOpenDisplay(NULL))) | |
1139 die("can't open display\n"); | |
1140 xw.scr = XDefaultScreen(xw.dpy); | |
1141 xw.vis = XDefaultVisual(xw.dpy, xw.scr); | |
1142 | |
1143 /* font */ | |
1144 if (!FcInit()) | |
1145 die("could not init fontconfig.\n"); | |
1146 | |
1147 usedfont = (opt_font == NULL)? font : opt_font; | |
1148 xloadfonts(usedfont, 0); | |
1149 | |
1150 /* colors */ | |
1151 xw.cmap = XDefaultColormap(xw.dpy, xw.scr); | |
1152 xloadcols(); | |
1153 | |
1154 /* adjust fixed window geometry */ | |
1155 win.w = 2 * borderpx + cols * win.cw; | |
1156 win.h = 2 * borderpx + rows * win.ch; | |
1157 if (xw.gm & XNegative) | |
1158 xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2; | |
1159 if (xw.gm & YNegative) | |
1160 xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2; | |
1161 | |
1162 /* Events */ | |
1163 xw.attrs.background_pixel = dc.col[defaultbg].pixel; | |
1164 xw.attrs.border_pixel = dc.col[defaultbg].pixel; | |
1165 xw.attrs.bit_gravity = NorthWestGravity; | |
1166 xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleas… | |
1167 | ExposureMask | VisibilityChangeMask | StructureNotifyM… | |
1168 | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask; | |
1169 xw.attrs.colormap = xw.cmap; | |
1170 | |
1171 root = XRootWindow(xw.dpy, xw.scr); | |
1172 if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) | |
1173 parent = root; | |
1174 xw.win = XCreateWindow(xw.dpy, root, xw.l, xw.t, | |
1175 win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), … | |
1176 xw.vis, CWBackPixel | CWBorderPixel | CWBitGravi… | |
1177 | CWEventMask | CWColormap, &xw.attrs); | |
1178 if (parent != root) | |
1179 XReparentWindow(xw.dpy, xw.win, parent, xw.l, xw.t); | |
1180 | |
1181 memset(&gcvalues, 0, sizeof(gcvalues)); | |
1182 gcvalues.graphics_exposures = False; | |
1183 dc.gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures, | |
1184 &gcvalues); | |
1185 xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, | |
1186 DefaultDepth(xw.dpy, xw.scr)); | |
1187 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); | |
1188 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h); | |
1189 | |
1190 /* font spec buffer */ | |
1191 xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec)); | |
1192 | |
1193 /* Xft rendering context */ | |
1194 xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); | |
1195 | |
1196 /* input methods */ | |
1197 if (!ximopen(xw.dpy)) { | |
1198 XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, | |
1199 ximinstantiate, NULL); | |
1200 } | |
1201 | |
1202 /* white cursor, black outline */ | |
1203 cursor = XCreateFontCursor(xw.dpy, mouseshape); | |
1204 XDefineCursor(xw.dpy, xw.win, cursor); | |
1205 | |
1206 if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) … | |
1207 xmousefg.red = 0xffff; | |
1208 xmousefg.green = 0xffff; | |
1209 xmousefg.blue = 0xffff; | |
1210 } | |
1211 | |
1212 if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) … | |
1213 xmousebg.red = 0x0000; | |
1214 xmousebg.green = 0x0000; | |
1215 xmousebg.blue = 0x0000; | |
1216 } | |
1217 | |
1218 XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg); | |
1219 | |
1220 xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False); | |
1221 xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False); | |
1222 xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False); | |
1223 xw.netwmiconname = XInternAtom(xw.dpy, "_NET_WM_ICON_NAME", Fals… | |
1224 XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1); | |
1225 | |
1226 xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False); | |
1227 XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32, | |
1228 PropModeReplace, (uchar *)&thispid, 1); | |
1229 | |
1230 win.mode = MODE_NUMLOCK; | |
1231 resettitle(); | |
1232 xhints(); | |
1233 XMapWindow(xw.dpy, xw.win); | |
1234 XSync(xw.dpy, False); | |
1235 | |
1236 clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1); | |
1237 clock_gettime(CLOCK_MONOTONIC, &xsel.tclick2); | |
1238 xsel.primary = NULL; | |
1239 xsel.clipboard = NULL; | |
1240 xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); | |
1241 if (xsel.xtarget == None) | |
1242 xsel.xtarget = XA_STRING; | |
1243 } | |
1244 | |
1245 int | |
1246 xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int le… | |
1247 { | |
1248 float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch… | |
1249 ushort mode, prevmode = USHRT_MAX; | |
1250 Font *font = &dc.font; | |
1251 int frcflags = FRC_NORMAL; | |
1252 float runewidth = win.cw; | |
1253 Rune rune; | |
1254 FT_UInt glyphidx; | |
1255 FcResult fcres; | |
1256 FcPattern *fcpattern, *fontpattern; | |
1257 FcFontSet *fcsets[] = { NULL }; | |
1258 FcCharSet *fccharset; | |
1259 int i, f, numspecs = 0; | |
1260 | |
1261 for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) { | |
1262 /* Fetch rune and mode for current glyph. */ | |
1263 rune = glyphs[i].u; | |
1264 mode = glyphs[i].mode; | |
1265 | |
1266 /* Skip dummy wide-character spacing. */ | |
1267 if (mode == ATTR_WDUMMY) | |
1268 continue; | |
1269 | |
1270 /* Determine font for glyph if different from previous g… | |
1271 if (prevmode != mode) { | |
1272 prevmode = mode; | |
1273 font = &dc.font; | |
1274 frcflags = FRC_NORMAL; | |
1275 runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f … | |
1276 if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) { | |
1277 font = &dc.ibfont; | |
1278 frcflags = FRC_ITALICBOLD; | |
1279 } else if (mode & ATTR_ITALIC) { | |
1280 font = &dc.ifont; | |
1281 frcflags = FRC_ITALIC; | |
1282 } else if (mode & ATTR_BOLD) { | |
1283 font = &dc.bfont; | |
1284 frcflags = FRC_BOLD; | |
1285 } | |
1286 yp = winy + font->ascent; | |
1287 } | |
1288 | |
1289 /* Lookup character index with default font. */ | |
1290 glyphidx = XftCharIndex(xw.dpy, font->match, rune); | |
1291 if (glyphidx) { | |
1292 specs[numspecs].font = font->match; | |
1293 specs[numspecs].glyph = glyphidx; | |
1294 specs[numspecs].x = (short)xp; | |
1295 specs[numspecs].y = (short)yp; | |
1296 xp += runewidth; | |
1297 numspecs++; | |
1298 continue; | |
1299 } | |
1300 | |
1301 /* Fallback on font cache, search the font cache for mat… | |
1302 for (f = 0; f < frclen; f++) { | |
1303 glyphidx = XftCharIndex(xw.dpy, frc[f].font, run… | |
1304 /* Everything correct. */ | |
1305 if (glyphidx && frc[f].flags == frcflags) | |
1306 break; | |
1307 /* We got a default font for a not found glyph. … | |
1308 if (!glyphidx && frc[f].flags == frcflags | |
1309 && frc[f].unicodep == rune) { | |
1310 break; | |
1311 } | |
1312 } | |
1313 | |
1314 /* Nothing was found. Use fontconfig to find matching fo… | |
1315 if (f >= frclen) { | |
1316 if (!font->set) | |
1317 font->set = FcFontSort(0, font->pattern, | |
1318 1, 0, &fcres); | |
1319 fcsets[0] = font->set; | |
1320 | |
1321 /* | |
1322 * Nothing was found in the cache. Now use | |
1323 * some dozen of Fontconfig calls to get the | |
1324 * font for one single character. | |
1325 * | |
1326 * Xft and fontconfig are design failures. | |
1327 */ | |
1328 fcpattern = FcPatternDuplicate(font->pattern); | |
1329 fccharset = FcCharSetCreate(); | |
1330 | |
1331 FcCharSetAddChar(fccharset, rune); | |
1332 FcPatternAddCharSet(fcpattern, FC_CHARSET, | |
1333 fccharset); | |
1334 FcPatternAddBool(fcpattern, FC_SCALABLE, 1); | |
1335 | |
1336 FcConfigSubstitute(0, fcpattern, | |
1337 FcMatchPattern); | |
1338 FcDefaultSubstitute(fcpattern); | |
1339 | |
1340 fontpattern = FcFontSetMatch(0, fcsets, 1, | |
1341 fcpattern, &fcres); | |
1342 | |
1343 /* Allocate memory for the new cache entry. */ | |
1344 if (frclen >= frccap) { | |
1345 frccap += 16; | |
1346 frc = xrealloc(frc, frccap * sizeof(Font… | |
1347 } | |
1348 | |
1349 frc[frclen].font = XftFontOpenPattern(xw.dpy, | |
1350 fontpattern); | |
1351 if (!frc[frclen].font) | |
1352 die("XftFontOpenPattern failed seeking f… | |
1353 strerror(errno)); | |
1354 frc[frclen].flags = frcflags; | |
1355 frc[frclen].unicodep = rune; | |
1356 | |
1357 glyphidx = XftCharIndex(xw.dpy, frc[frclen].font… | |
1358 | |
1359 f = frclen; | |
1360 frclen++; | |
1361 | |
1362 FcPatternDestroy(fcpattern); | |
1363 FcCharSetDestroy(fccharset); | |
1364 } | |
1365 | |
1366 specs[numspecs].font = frc[f].font; | |
1367 specs[numspecs].glyph = glyphidx; | |
1368 specs[numspecs].x = (short)xp; | |
1369 specs[numspecs].y = (short)yp; | |
1370 xp += runewidth; | |
1371 numspecs++; | |
1372 } | |
1373 | |
1374 return numspecs; | |
1375 } | |
1376 | |
1377 void | |
1378 xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, … | |
1379 { | |
1380 int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1); | |
1381 int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, | |
1382 width = charlen * win.cw; | |
1383 Color *fg, *bg, *temp, revfg, revbg, truefg, truebg; | |
1384 XRenderColor colfg, colbg; | |
1385 XRectangle r; | |
1386 | |
1387 /* Fallback on color display for attributes not supported by the… | |
1388 if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) { | |
1389 if (dc.ibfont.badslant || dc.ibfont.badweight) | |
1390 base.fg = defaultattr; | |
1391 } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) || | |
1392 (base.mode & ATTR_BOLD && dc.bfont.badweight)) { | |
1393 base.fg = defaultattr; | |
1394 } | |
1395 | |
1396 if (IS_TRUECOL(base.fg)) { | |
1397 colfg.alpha = 0xffff; | |
1398 colfg.red = TRUERED(base.fg); | |
1399 colfg.green = TRUEGREEN(base.fg); | |
1400 colfg.blue = TRUEBLUE(base.fg); | |
1401 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &tru… | |
1402 fg = &truefg; | |
1403 } else { | |
1404 fg = &dc.col[base.fg]; | |
1405 } | |
1406 | |
1407 if (IS_TRUECOL(base.bg)) { | |
1408 colbg.alpha = 0xffff; | |
1409 colbg.green = TRUEGREEN(base.bg); | |
1410 colbg.red = TRUERED(base.bg); | |
1411 colbg.blue = TRUEBLUE(base.bg); | |
1412 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &tru… | |
1413 bg = &truebg; | |
1414 } else { | |
1415 bg = &dc.col[base.bg]; | |
1416 } | |
1417 | |
1418 /* Change basic system colors [0-7] to bright system colors [8-1… | |
1419 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.f… | |
1420 fg = &dc.col[base.fg + 8]; | |
1421 | |
1422 if (IS_SET(MODE_REVERSE)) { | |
1423 if (fg == &dc.col[defaultfg]) { | |
1424 fg = &dc.col[defaultbg]; | |
1425 } else { | |
1426 colfg.red = ~fg->color.red; | |
1427 colfg.green = ~fg->color.green; | |
1428 colfg.blue = ~fg->color.blue; | |
1429 colfg.alpha = fg->color.alpha; | |
1430 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &col… | |
1431 &revfg); | |
1432 fg = &revfg; | |
1433 } | |
1434 | |
1435 if (bg == &dc.col[defaultbg]) { | |
1436 bg = &dc.col[defaultfg]; | |
1437 } else { | |
1438 colbg.red = ~bg->color.red; | |
1439 colbg.green = ~bg->color.green; | |
1440 colbg.blue = ~bg->color.blue; | |
1441 colbg.alpha = bg->color.alpha; | |
1442 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &col… | |
1443 &revbg); | |
1444 bg = &revbg; | |
1445 } | |
1446 } | |
1447 | |
1448 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) { | |
1449 colfg.red = fg->color.red / 2; | |
1450 colfg.green = fg->color.green / 2; | |
1451 colfg.blue = fg->color.blue / 2; | |
1452 colfg.alpha = fg->color.alpha; | |
1453 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &rev… | |
1454 fg = &revfg; | |
1455 } | |
1456 | |
1457 if (base.mode & ATTR_REVERSE) { | |
1458 temp = fg; | |
1459 fg = bg; | |
1460 bg = temp; | |
1461 } | |
1462 | |
1463 if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK) | |
1464 fg = bg; | |
1465 | |
1466 if (base.mode & ATTR_INVISIBLE) | |
1467 fg = bg; | |
1468 | |
1469 /* Intelligent cleaning up of the borders. */ | |
1470 if (x == 0) { | |
1471 xclear(0, (y == 0)? 0 : winy, borderpx, | |
1472 winy + win.ch + | |
1473 ((winy + win.ch >= borderpx + win.th)? win.h : 0… | |
1474 } | |
1475 if (winx + width >= borderpx + win.tw) { | |
1476 xclear(winx + width, (y == 0)? 0 : winy, win.w, | |
1477 ((winy + win.ch >= borderpx + win.th)? win.h : (… | |
1478 } | |
1479 if (y == 0) | |
1480 xclear(winx, 0, winx + width, borderpx); | |
1481 if (winy + win.ch >= borderpx + win.th) | |
1482 xclear(winx, winy + win.ch, winx + width, win.h); | |
1483 | |
1484 /* Clean up the region we want to draw to. */ | |
1485 XftDrawRect(xw.draw, bg, winx, winy, width, win.ch); | |
1486 | |
1487 /* Set the clip region because Xft is sometimes dirty. */ | |
1488 r.x = 0; | |
1489 r.y = 0; | |
1490 r.height = win.ch; | |
1491 r.width = width; | |
1492 XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1); | |
1493 | |
1494 /* Render the glyphs. */ | |
1495 XftDrawGlyphFontSpec(xw.draw, fg, specs, len); | |
1496 | |
1497 /* Render underline and strikethrough. */ | |
1498 if (base.mode & ATTR_UNDERLINE) { | |
1499 XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent * c… | |
1500 width, 1); | |
1501 } | |
1502 | |
1503 if (base.mode & ATTR_STRUCK) { | |
1504 XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent… | |
1505 width, 1); | |
1506 } | |
1507 | |
1508 /* Reset clip to none. */ | |
1509 XftDrawSetClip(xw.draw, 0); | |
1510 } | |
1511 | |
1512 void | |
1513 xdrawglyph(Glyph g, int x, int y) | |
1514 { | |
1515 int numspecs; | |
1516 XftGlyphFontSpec spec; | |
1517 | |
1518 numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y); | |
1519 xdrawglyphfontspecs(&spec, g, numspecs, x, y); | |
1520 } | |
1521 | |
1522 void | |
1523 xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og) | |
1524 { | |
1525 Color drawcol; | |
1526 | |
1527 /* remove the old cursor */ | |
1528 if (selected(ox, oy)) | |
1529 og.mode ^= ATTR_REVERSE; | |
1530 xdrawglyph(og, ox, oy); | |
1531 | |
1532 if (IS_SET(MODE_HIDE)) | |
1533 return; | |
1534 | |
1535 /* | |
1536 * Select the right color for the right mode. | |
1537 */ | |
1538 g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_… | |
1539 | |
1540 if (IS_SET(MODE_REVERSE)) { | |
1541 g.mode |= ATTR_REVERSE; | |
1542 g.bg = defaultfg; | |
1543 if (selected(cx, cy)) { | |
1544 drawcol = dc.col[defaultcs]; | |
1545 g.fg = defaultrcs; | |
1546 } else { | |
1547 drawcol = dc.col[defaultrcs]; | |
1548 g.fg = defaultcs; | |
1549 } | |
1550 } else { | |
1551 if (selected(cx, cy)) { | |
1552 g.fg = defaultfg; | |
1553 g.bg = defaultrcs; | |
1554 } else { | |
1555 g.fg = defaultbg; | |
1556 g.bg = defaultcs; | |
1557 } | |
1558 drawcol = dc.col[g.bg]; | |
1559 } | |
1560 | |
1561 /* draw the new one */ | |
1562 if (IS_SET(MODE_FOCUSED)) { | |
1563 switch (win.cursor) { | |
1564 case 7: /* st extension */ | |
1565 g.u = 0x2603; /* snowman (U+2603) */ | |
1566 /* FALLTHROUGH */ | |
1567 case 0: /* Blinking Block */ | |
1568 case 1: /* Blinking Block (Default) */ | |
1569 case 2: /* Steady Block */ | |
1570 xdrawglyph(g, cx, cy); | |
1571 break; | |
1572 case 3: /* Blinking Underline */ | |
1573 case 4: /* Steady Underline */ | |
1574 XftDrawRect(xw.draw, &drawcol, | |
1575 borderpx + cx * win.cw, | |
1576 borderpx + (cy + 1) * win.ch - \ | |
1577 cursorthickness, | |
1578 win.cw, cursorthickness); | |
1579 break; | |
1580 case 5: /* Blinking bar */ | |
1581 case 6: /* Steady bar */ | |
1582 XftDrawRect(xw.draw, &drawcol, | |
1583 borderpx + cx * win.cw, | |
1584 borderpx + cy * win.ch, | |
1585 cursorthickness, win.ch); | |
1586 break; | |
1587 } | |
1588 } else { | |
1589 XftDrawRect(xw.draw, &drawcol, | |
1590 borderpx + cx * win.cw, | |
1591 borderpx + cy * win.ch, | |
1592 win.cw - 1, 1); | |
1593 XftDrawRect(xw.draw, &drawcol, | |
1594 borderpx + cx * win.cw, | |
1595 borderpx + cy * win.ch, | |
1596 1, win.ch - 1); | |
1597 XftDrawRect(xw.draw, &drawcol, | |
1598 borderpx + (cx + 1) * win.cw - 1, | |
1599 borderpx + cy * win.ch, | |
1600 1, win.ch - 1); | |
1601 XftDrawRect(xw.draw, &drawcol, | |
1602 borderpx + cx * win.cw, | |
1603 borderpx + (cy + 1) * win.ch - 1, | |
1604 win.cw, 1); | |
1605 } | |
1606 } | |
1607 | |
1608 void | |
1609 xsetenv(void) | |
1610 { | |
1611 char buf[sizeof(long) * 8 + 1]; | |
1612 | |
1613 snprintf(buf, sizeof(buf), "%lu", xw.win); | |
1614 setenv("WINDOWID", buf, 1); | |
1615 } | |
1616 | |
1617 void | |
1618 xseticontitle(char *p) | |
1619 { | |
1620 XTextProperty prop; | |
1621 DEFAULT(p, opt_title); | |
1622 | |
1623 if (p[0] == '\0') | |
1624 p = opt_title; | |
1625 | |
1626 if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, | |
1627 &prop) != Success) | |
1628 return; | |
1629 XSetWMIconName(xw.dpy, xw.win, &prop); | |
1630 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmiconname); | |
1631 XFree(prop.value); | |
1632 } | |
1633 | |
1634 void | |
1635 xsettitle(char *p) | |
1636 { | |
1637 XTextProperty prop; | |
1638 DEFAULT(p, opt_title); | |
1639 | |
1640 if (p[0] == '\0') | |
1641 p = opt_title; | |
1642 | |
1643 if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, | |
1644 &prop) != Success) | |
1645 return; | |
1646 XSetWMName(xw.dpy, xw.win, &prop); | |
1647 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname); | |
1648 XFree(prop.value); | |
1649 } | |
1650 | |
1651 int | |
1652 xstartdraw(void) | |
1653 { | |
1654 return IS_SET(MODE_VISIBLE); | |
1655 } | |
1656 | |
1657 void | |
1658 xdrawline(Line line, int x1, int y1, int x2) | |
1659 { | |
1660 int i, x, ox, numspecs; | |
1661 Glyph base, new; | |
1662 XftGlyphFontSpec *specs = xw.specbuf; | |
1663 | |
1664 numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1… | |
1665 i = ox = 0; | |
1666 for (x = x1; x < x2 && i < numspecs; x++) { | |
1667 new = line[x]; | |
1668 if (new.mode == ATTR_WDUMMY) | |
1669 continue; | |
1670 if (selected(x, y1)) | |
1671 new.mode ^= ATTR_REVERSE; | |
1672 if (i > 0 && ATTRCMP(base, new)) { | |
1673 xdrawglyphfontspecs(specs, base, i, ox, y1); | |
1674 specs += i; | |
1675 numspecs -= i; | |
1676 i = 0; | |
1677 } | |
1678 if (i == 0) { | |
1679 ox = x; | |
1680 base = new; | |
1681 } | |
1682 i++; | |
1683 } | |
1684 if (i > 0) | |
1685 xdrawglyphfontspecs(specs, base, i, ox, y1); | |
1686 } | |
1687 | |
1688 void | |
1689 xfinishdraw(void) | |
1690 { | |
1691 XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w, | |
1692 win.h, 0, 0); | |
1693 XSetForeground(xw.dpy, dc.gc, | |
1694 dc.col[IS_SET(MODE_REVERSE)? | |
1695 defaultfg : defaultbg].pixel); | |
1696 } | |
1697 | |
1698 void | |
1699 xximspot(int x, int y) | |
1700 { | |
1701 if (xw.ime.xic == NULL) | |
1702 return; | |
1703 | |
1704 xw.ime.spot.x = borderpx + x * win.cw; | |
1705 xw.ime.spot.y = borderpx + (y + 1) * win.ch; | |
1706 | |
1707 XSetICValues(xw.ime.xic, XNPreeditAttributes, xw.ime.spotlist, N… | |
1708 } | |
1709 | |
1710 void | |
1711 expose(XEvent *ev) | |
1712 { | |
1713 redraw(); | |
1714 } | |
1715 | |
1716 void | |
1717 visibility(XEvent *ev) | |
1718 { | |
1719 XVisibilityEvent *e = &ev->xvisibility; | |
1720 | |
1721 MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIB… | |
1722 } | |
1723 | |
1724 void | |
1725 unmap(XEvent *ev) | |
1726 { | |
1727 win.mode &= ~MODE_VISIBLE; | |
1728 } | |
1729 | |
1730 void | |
1731 xsetpointermotion(int set) | |
1732 { | |
1733 MODBIT(xw.attrs.event_mask, set, PointerMotionMask); | |
1734 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs); | |
1735 } | |
1736 | |
1737 void | |
1738 xsetmode(int set, unsigned int flags) | |
1739 { | |
1740 int mode = win.mode; | |
1741 MODBIT(win.mode, set, flags); | |
1742 if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE)) | |
1743 redraw(); | |
1744 } | |
1745 | |
1746 int | |
1747 xsetcursor(int cursor) | |
1748 { | |
1749 if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */ | |
1750 return 1; | |
1751 win.cursor = cursor; | |
1752 return 0; | |
1753 } | |
1754 | |
1755 void | |
1756 xseturgency(int add) | |
1757 { | |
1758 XWMHints *h = XGetWMHints(xw.dpy, xw.win); | |
1759 | |
1760 MODBIT(h->flags, add, XUrgencyHint); | |
1761 XSetWMHints(xw.dpy, xw.win, h); | |
1762 XFree(h); | |
1763 } | |
1764 | |
1765 void | |
1766 xbell(void) | |
1767 { | |
1768 if (!(IS_SET(MODE_FOCUSED))) | |
1769 xseturgency(1); | |
1770 if (bellvolume) | |
1771 XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL); | |
1772 } | |
1773 | |
1774 void | |
1775 focus(XEvent *ev) | |
1776 { | |
1777 XFocusChangeEvent *e = &ev->xfocus; | |
1778 | |
1779 if (e->mode == NotifyGrab) | |
1780 return; | |
1781 | |
1782 if (ev->type == FocusIn) { | |
1783 if (xw.ime.xic) | |
1784 XSetICFocus(xw.ime.xic); | |
1785 win.mode |= MODE_FOCUSED; | |
1786 xseturgency(0); | |
1787 if (IS_SET(MODE_FOCUS)) | |
1788 ttywrite("\033[I", 3, 0); | |
1789 } else { | |
1790 if (xw.ime.xic) | |
1791 XUnsetICFocus(xw.ime.xic); | |
1792 win.mode &= ~MODE_FOCUSED; | |
1793 if (IS_SET(MODE_FOCUS)) | |
1794 ttywrite("\033[O", 3, 0); | |
1795 } | |
1796 } | |
1797 | |
1798 int | |
1799 match(uint mask, uint state) | |
1800 { | |
1801 return mask == XK_ANY_MOD || mask == (state & ~ignoremod); | |
1802 } | |
1803 | |
1804 char* | |
1805 kmap(KeySym k, uint state) | |
1806 { | |
1807 Key *kp; | |
1808 int i; | |
1809 | |
1810 /* Check for mapped keys out of X11 function keys. */ | |
1811 for (i = 0; i < LEN(mappedkeys); i++) { | |
1812 if (mappedkeys[i] == k) | |
1813 break; | |
1814 } | |
1815 if (i == LEN(mappedkeys)) { | |
1816 if ((k & 0xFFFF) < 0xFD00) | |
1817 return NULL; | |
1818 } | |
1819 | |
1820 for (kp = key; kp < key + LEN(key); kp++) { | |
1821 if (kp->k != k) | |
1822 continue; | |
1823 | |
1824 if (!match(kp->mask, state)) | |
1825 continue; | |
1826 | |
1827 if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey… | |
1828 continue; | |
1829 if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2) | |
1830 continue; | |
1831 | |
1832 if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->app… | |
1833 continue; | |
1834 | |
1835 return kp->s; | |
1836 } | |
1837 | |
1838 return NULL; | |
1839 } | |
1840 | |
1841 void | |
1842 kpress(XEvent *ev) | |
1843 { | |
1844 XKeyEvent *e = &ev->xkey; | |
1845 KeySym ksym = NoSymbol; | |
1846 char buf[64], *customkey; | |
1847 int len; | |
1848 Rune c; | |
1849 Status status; | |
1850 Shortcut *bp; | |
1851 | |
1852 if (IS_SET(MODE_KBDLOCK)) | |
1853 return; | |
1854 | |
1855 if (xw.ime.xic) { | |
1856 len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &k… | |
1857 if (status == XBufferOverflow) | |
1858 return; | |
1859 } else { | |
1860 len = XLookupString(e, buf, sizeof buf, &ksym, NULL); | |
1861 } | |
1862 /* 1. shortcuts */ | |
1863 for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) { | |
1864 if (ksym == bp->keysym && match(bp->mod, e->state)) { | |
1865 bp->func(&(bp->arg)); | |
1866 return; | |
1867 } | |
1868 } | |
1869 | |
1870 /* 2. custom keys from config.h */ | |
1871 if ((customkey = kmap(ksym, e->state))) { | |
1872 ttywrite(customkey, strlen(customkey), 1); | |
1873 return; | |
1874 } | |
1875 | |
1876 /* 3. composed string from input method */ | |
1877 if (len == 0) | |
1878 return; | |
1879 if (len == 1 && e->state & Mod1Mask) { | |
1880 if (IS_SET(MODE_8BIT)) { | |
1881 if (*buf < 0177) { | |
1882 c = *buf | 0x80; | |
1883 len = utf8encode(c, buf); | |
1884 } | |
1885 } else { | |
1886 buf[1] = buf[0]; | |
1887 buf[0] = '\033'; | |
1888 len = 2; | |
1889 } | |
1890 } | |
1891 ttywrite(buf, len, 1); | |
1892 } | |
1893 | |
1894 void | |
1895 cmessage(XEvent *e) | |
1896 { | |
1897 /* | |
1898 * See xembed specs | |
1899 * http://standards.freedesktop.org/xembed-spec/xembed-spec-lat… | |
1900 */ | |
1901 if (e->xclient.message_type == xw.xembed && e->xclient.format ==… | |
1902 if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) { | |
1903 win.mode |= MODE_FOCUSED; | |
1904 xseturgency(0); | |
1905 } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) { | |
1906 win.mode &= ~MODE_FOCUSED; | |
1907 } | |
1908 } else if (e->xclient.data.l[0] == xw.wmdeletewin) { | |
1909 ttyhangup(); | |
1910 exit(0); | |
1911 } | |
1912 } | |
1913 | |
1914 void | |
1915 resize(XEvent *e) | |
1916 { | |
1917 if (e->xconfigure.width == win.w && e->xconfigure.height == win.… | |
1918 return; | |
1919 | |
1920 cresize(e->xconfigure.width, e->xconfigure.height); | |
1921 } | |
1922 | |
1923 void | |
1924 run(void) | |
1925 { | |
1926 XEvent ev; | |
1927 int w = win.w, h = win.h; | |
1928 fd_set rfd; | |
1929 int xfd = XConnectionNumber(xw.dpy), ttyfd, xev, drawing; | |
1930 struct timespec seltv, *tv, now, lastblink, trigger; | |
1931 double timeout; | |
1932 | |
1933 /* Waiting for window mapping */ | |
1934 do { | |
1935 XNextEvent(xw.dpy, &ev); | |
1936 /* | |
1937 * This XFilterEvent call is required because of XOpenIM… | |
1938 * does filter out the key event and some client message… | |
1939 * the input method too. | |
1940 */ | |
1941 if (XFilterEvent(&ev, None)) | |
1942 continue; | |
1943 if (ev.type == ConfigureNotify) { | |
1944 w = ev.xconfigure.width; | |
1945 h = ev.xconfigure.height; | |
1946 } | |
1947 } while (ev.type != MapNotify); | |
1948 | |
1949 ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd); | |
1950 cresize(w, h); | |
1951 | |
1952 for (timeout = -1, drawing = 0, lastblink = (struct timespec){0}… | |
1953 FD_ZERO(&rfd); | |
1954 FD_SET(ttyfd, &rfd); | |
1955 FD_SET(xfd, &rfd); | |
1956 | |
1957 if (XPending(xw.dpy)) | |
1958 timeout = 0; /* existing events might not set x… | |
1959 | |
1960 seltv.tv_sec = timeout / 1E3; | |
1961 seltv.tv_nsec = 1E6 * (timeout - 1E3 * seltv.tv_sec); | |
1962 tv = timeout >= 0 ? &seltv : NULL; | |
1963 | |
1964 if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NUL… | |
1965 if (errno == EINTR) | |
1966 continue; | |
1967 die("select failed: %s\n", strerror(errno)); | |
1968 } | |
1969 clock_gettime(CLOCK_MONOTONIC, &now); | |
1970 | |
1971 if (FD_ISSET(ttyfd, &rfd)) | |
1972 ttyread(); | |
1973 | |
1974 xev = 0; | |
1975 while (XPending(xw.dpy)) { | |
1976 xev = 1; | |
1977 XNextEvent(xw.dpy, &ev); | |
1978 if (XFilterEvent(&ev, None)) | |
1979 continue; | |
1980 if (handler[ev.type]) | |
1981 (handler[ev.type])(&ev); | |
1982 } | |
1983 | |
1984 /* | |
1985 * To reduce flicker and tearing, when new content or ev… | |
1986 * triggers drawing, we first wait a bit to ensure we got | |
1987 * everything, and if nothing new arrives - we draw. | |
1988 * We start with trying to wait minlatency ms. If more c… | |
1989 * arrives sooner, we retry with shorter and shorter per… | |
1990 * and eventually draw even without idle after maxlatenc… | |
1991 * Typically this results in low latency while interacti… | |
1992 * maximum latency intervals during `cat huge.txt`, and … | |
1993 * sync with periodic updates from animations/key-repeat… | |
1994 */ | |
1995 if (FD_ISSET(ttyfd, &rfd) || xev) { | |
1996 if (!drawing) { | |
1997 trigger = now; | |
1998 drawing = 1; | |
1999 } | |
2000 timeout = (maxlatency - TIMEDIFF(now, trigger)) \ | |
2001 / maxlatency * minlatency; | |
2002 if (timeout > 0) | |
2003 continue; /* we have time, try to find … | |
2004 } | |
2005 | |
2006 /* idle detected or maxlatency exhausted -> draw */ | |
2007 timeout = -1; | |
2008 if (blinktimeout && tattrset(ATTR_BLINK)) { | |
2009 timeout = blinktimeout - TIMEDIFF(now, lastblink… | |
2010 if (timeout <= 0) { | |
2011 if (-timeout > blinktimeout) /* start vi… | |
2012 win.mode |= MODE_BLINK; | |
2013 win.mode ^= MODE_BLINK; | |
2014 tsetdirtattr(ATTR_BLINK); | |
2015 lastblink = now; | |
2016 timeout = blinktimeout; | |
2017 } | |
2018 } | |
2019 | |
2020 draw(); | |
2021 XFlush(xw.dpy); | |
2022 drawing = 0; | |
2023 } | |
2024 } | |
2025 | |
2026 void | |
2027 usage(void) | |
2028 { | |
2029 die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]" | |
2030 " [-n name] [-o file]\n" | |
2031 " [-T title] [-t title] [-w windowid]" | |
2032 " [[-e] command [args ...]]\n" | |
2033 " %s [-aiv] [-c class] [-f font] [-g geometry]" | |
2034 " [-n name] [-o file]\n" | |
2035 " [-T title] [-t title] [-w windowid] -l line" | |
2036 " [stty_args ...]\n", argv0, argv0); | |
2037 } | |
2038 | |
2039 int | |
2040 main(int argc, char *argv[]) | |
2041 { | |
2042 xw.l = xw.t = 0; | |
2043 xw.isfixed = False; | |
2044 xsetcursor(cursorshape); | |
2045 | |
2046 ARGBEGIN { | |
2047 case 'a': | |
2048 allowaltscreen = 0; | |
2049 break; | |
2050 case 'c': | |
2051 opt_class = EARGF(usage()); | |
2052 break; | |
2053 case 'e': | |
2054 if (argc > 0) | |
2055 --argc, ++argv; | |
2056 goto run; | |
2057 case 'f': | |
2058 opt_font = EARGF(usage()); | |
2059 break; | |
2060 case 'g': | |
2061 xw.gm = XParseGeometry(EARGF(usage()), | |
2062 &xw.l, &xw.t, &cols, &rows); | |
2063 break; | |
2064 case 'i': | |
2065 xw.isfixed = 1; | |
2066 break; | |
2067 case 'o': | |
2068 opt_io = EARGF(usage()); | |
2069 break; | |
2070 case 'l': | |
2071 opt_line = EARGF(usage()); | |
2072 break; | |
2073 case 'n': | |
2074 opt_name = EARGF(usage()); | |
2075 break; | |
2076 case 't': | |
2077 case 'T': | |
2078 opt_title = EARGF(usage()); | |
2079 break; | |
2080 case 'w': | |
2081 opt_embed = EARGF(usage()); | |
2082 break; | |
2083 case 'v': | |
2084 die("%s " VERSION "\n", argv0); | |
2085 break; | |
2086 default: | |
2087 usage(); | |
2088 } ARGEND; | |
2089 | |
2090 run: | |
2091 if (argc > 0) /* eat all remaining arguments */ | |
2092 opt_cmd = argv; | |
2093 | |
2094 if (!opt_title) | |
2095 opt_title = (opt_line || !opt_cmd) ? "st" : opt_cmd[0]; | |
2096 | |
2097 setlocale(LC_CTYPE, ""); | |
2098 XSetLocaleModifiers(""); | |
2099 cols = MAX(cols, 1); | |
2100 rows = MAX(rows, 1); | |
2101 tnew(cols, rows); | |
2102 xinit(cols, rows); | |
2103 xsetenv(); | |
2104 selinit(); | |
2105 run(); | |
2106 | |
2107 return 0; | |
2108 } |