Commit | Line | Data |
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cdeaefaa | 1 | #include <ctype.h> |
a7732690 | 2 | #include <err.h> |
05cfe1a0 | 3 | #include <errno.h> |
a7732690 | 4 | #include <stdio.h> |
5 | #include <stdlib.h> | |
6 | #include <string.h> | |
05cfe1a0 | 7 | #include <limits.h> |
8902c43b | 8 | #include <time.h> |
a7732690 | 9 | #include <unistd.h> |
10 | #include <X11/Xlib.h> | |
8902c43b | 11 | #include <X11/Xatom.h> |
a7732690 | 12 | #include <X11/Xutil.h> |
f644b8bc | 13 | #include <X11/Xresource.h> |
858338d9 | 14 | #include <X11/XKBlib.h> |
dbeb9940 | 15 | #include <X11/Xft/Xft.h> |
237da982 | 16 | #include <X11/extensions/Xinerama.h> |
33376f54 | 17 | #include <Imlib2.h> |
8902c43b | 18 | #include "xmenu.h" |
858338d9 | 19 | |
738ed9d5 | 20 | /* X stuff */ |
a7732690 | 21 | static Display *dpy; |
c6d9174e | 22 | static int screen; |
dbeb9940 | 23 | static Visual *visual; |
a7732690 | 24 | static Window rootwin; |
c6d9174e | 25 | static Colormap colormap; |
a7732690 | 26 | static struct DC dc; |
237da982 | 27 | static struct Monitor mon; |
8902c43b | 28 | static Atom utf8string; |
3bec05ea | 29 | static Atom wmdelete; |
8902c43b | 30 | static Atom netatom[NetLast]; |
3bec05ea | 31 | |
32 | /* flags */ | |
71b4db92 | 33 | static int iflag = 0; /* whether to disable icons */ |
237da982 | 34 | static int mflag = 0; /* whether the user specified a monitor with -p */ |
35 | static int pflag = 0; /* whether the user specified a position with -p */ | |
05cfe1a0 | 36 | static int wflag = 0; /* whether to let the window manager control XMenu */ |
a7732690 | 37 | |
8902c43b | 38 | /* include config variable */ |
a7732690 | 39 | #include "config.h" |
40 | ||
73a2a23d | 41 | /* show usage */ |
42 | static void | |
43 | usage(void) | |
a7732690 | 44 | { |
73a2a23d | 45 | (void)fprintf(stderr, "usage: xmenu [-iw] [-p position] [title]\n"); |
46 | exit(1); | |
21a9aaec | 47 | } |
48 | ||
237da982 | 49 | /* parse position string from -p, |
50 | * put results on config.posx, config.posy, and config.monitor */ | |
05cfe1a0 | 51 | static void |
237da982 | 52 | parseposition(char *optarg) |
05cfe1a0 | 53 | { |
54 | long n; | |
237da982 | 55 | char *s = optarg; |
05cfe1a0 | 56 | char *endp; |
57 | ||
58 | n = strtol(s, &endp, 10); | |
59 | if (errno == ERANGE || n > INT_MAX || n < 0 || endp == s || *endp != 'x') | |
60 | goto error; | |
61 | config.posx = n; | |
62 | s = endp+1; | |
63 | n = strtol(s, &endp, 10); | |
237da982 | 64 | if (errno == ERANGE || n > INT_MAX || n < 0 || endp == s) |
05cfe1a0 | 65 | goto error; |
66 | config.posy = n; | |
237da982 | 67 | if (*endp == ':') { |
68 | s = endp+1; | |
69 | mflag = 1; | |
70 | if (strncasecmp(s, "CUR", 3) == 0) { | |
71 | config.monitor = -1; | |
72 | endp = s+3; | |
73 | } else { | |
74 | n = strtol(s, &endp, 10); | |
75 | if (errno == ERANGE || n > INT_MAX || n < 0 || endp == s || *endp != '\0') | |
76 | goto error; | |
77 | config.monitor = n; | |
78 | } | |
79 | } else if (*endp != '\0') { | |
80 | goto error; | |
81 | } | |
05cfe1a0 | 82 | |
83 | return; | |
84 | ||
85 | error: | |
86 | errx(1, "improper position: %s", optarg); | |
87 | } | |
88 | ||
112e23c3 | 89 | /* parse font string */ |
cdeaefaa | 90 | static void |
91 | parsefonts(const char *s) | |
92 | { | |
93 | const char *p; | |
94 | char buf[1024]; | |
95 | size_t nfont = 0; | |
96 | ||
97 | dc.nfonts = 1; | |
98 | for (p = s; *p; p++) | |
99 | if (*p == ',') | |
100 | dc.nfonts++; | |
101 | ||
102 | if ((dc.fonts = calloc(dc.nfonts, sizeof *dc.fonts)) == NULL) | |
103 | err(1, "calloc"); | |
104 | ||
105 | p = s; | |
106 | while (*p != '\0') { | |
107 | size_t i; | |
108 | ||
109 | i = 0; | |
110 | while (isspace(*p)) | |
111 | p++; | |
70063f16 | 112 | while (i < sizeof buf && *p != '\0' && *p != ',') |
cdeaefaa | 113 | buf[i++] = *p++; |
6d56f279 | 114 | if (i >= sizeof buf) |
115 | errx(1, "font name too long"); | |
cdeaefaa | 116 | if (*p == ',') |
117 | p++; | |
118 | buf[i] = '\0'; | |
6d56f279 | 119 | if (nfont == 0) |
120 | if ((dc.pattern = FcNameParse((FcChar8 *)buf)) == NULL) | |
121 | errx(1, "the first font in the cache must be loaded from a font string"); | |
cdeaefaa | 122 | if ((dc.fonts[nfont++] = XftFontOpenName(dpy, screen, buf)) == NULL) |
8a7bfdf8 | 123 | errx(1, "could not load font"); |
cdeaefaa | 124 | } |
125 | } | |
126 | ||
8902c43b | 127 | /* get color from color string */ |
128 | static void | |
129 | ealloccolor(const char *s, XftColor *color) | |
130 | { | |
131 | if(!XftColorAllocName(dpy, visual, colormap, s, color)) | |
8a7bfdf8 | 132 | errx(1, "could not allocate color: %s", s); |
8902c43b | 133 | } |
134 | ||
237da982 | 135 | /* query monitor information and cursor position */ |
136 | static void | |
137 | initmonitor(void) | |
138 | { | |
139 | XineramaScreenInfo *info = NULL; | |
140 | Window dw; /* dummy variable */ | |
141 | int di; /* dummy variable */ | |
142 | unsigned du; /* dummy variable */ | |
143 | int cursx, cursy; /* cursor position */ | |
144 | int nmons; | |
145 | int i; | |
146 | ||
147 | XQueryPointer(dpy, rootwin, &dw, &dw, &cursx, &cursy, &di, &di, &du); | |
148 | ||
149 | mon.x = mon.y = 0; | |
150 | mon.w = DisplayWidth(dpy, screen); | |
151 | mon.h = DisplayHeight(dpy, screen); | |
152 | ||
153 | if ((info = XineramaQueryScreens(dpy, &nmons)) != NULL) { | |
154 | int selmon = 0; | |
155 | ||
70063f16 | 156 | if (!mflag || config.monitor < 0 || config.monitor >= nmons) { |
237da982 | 157 | for (i = 0; i < nmons; i++) { |
d2304ecf | 158 | if (BETWEEN(cursx, info[i].x_org, info[i].x_org + info[i].width) && |
159 | BETWEEN(cursy, info[i].y_org, info[i].y_org + info[i].height)) { | |
237da982 | 160 | selmon = i; |
161 | break; | |
162 | } | |
163 | } | |
164 | } else { | |
165 | selmon = config.monitor; | |
166 | } | |
167 | ||
168 | mon.x = info[selmon].x_org; | |
169 | mon.y = info[selmon].y_org; | |
170 | mon.w = info[selmon].width; | |
171 | mon.h = info[selmon].height; | |
883ec17f | 172 | |
173 | XFree(info); | |
237da982 | 174 | } |
175 | ||
176 | if (!pflag) { | |
177 | config.posx = cursx; | |
178 | config.posy = cursy; | |
179 | } else if (mflag) { | |
180 | config.posx += mon.x; | |
181 | config.posy += mon.y; | |
182 | } | |
183 | } | |
184 | ||
f644b8bc | 185 | /* read xrdb for configuration options */ |
186 | static void | |
8902c43b | 187 | initresources(void) |
f644b8bc | 188 | { |
f644b8bc | 189 | long n; |
fd530f3f | 190 | char *type; |
59a8a950 | 191 | char *xrm; |
fd530f3f | 192 | XrmDatabase xdb; |
193 | XrmValue xval; | |
f644b8bc | 194 | |
195 | XrmInitialize(); | |
fd530f3f | 196 | if ((xrm = XResourceManagerString(dpy)) == NULL) |
197 | return; | |
198 | ||
199 | xdb = XrmGetStringDatabase(xrm); | |
200 | ||
201 | if (XrmGetResource(xdb, "xmenu.borderWidth", "*", &type, &xval) == True) | |
202 | if ((n = strtol(xval.addr, NULL, 10)) > 0) | |
8902c43b | 203 | config.border_pixels = n; |
fd530f3f | 204 | if (XrmGetResource(xdb, "xmenu.separatorWidth", "*", &type, &xval) == True) |
205 | if ((n = strtol(xval.addr, NULL, 10)) > 0) | |
8902c43b | 206 | config.separator_pixels = n; |
685ca30d | 207 | if (XrmGetResource(xdb, "xmenu.height", "*", &type, &xval) == True) |
fd530f3f | 208 | if ((n = strtol(xval.addr, NULL, 10)) > 0) |
8902c43b | 209 | config.height_pixels = n; |
fd530f3f | 210 | if (XrmGetResource(xdb, "xmenu.width", "*", &type, &xval) == True) |
211 | if ((n = strtol(xval.addr, NULL, 10)) > 0) | |
8902c43b | 212 | config.width_pixels = n; |
eecf9b25 | 213 | if (XrmGetResource(xdb, "xmenu.gap", "*", &type, &xval) == True) |
214 | if ((n = strtol(xval.addr, NULL, 10)) > 0) | |
215 | config.gap_pixels = n; | |
fd530f3f | 216 | if (XrmGetResource(xdb, "xmenu.background", "*", &type, &xval) == True) |
8902c43b | 217 | config.background_color = strdup(xval.addr); |
fd530f3f | 218 | if (XrmGetResource(xdb, "xmenu.foreground", "*", &type, &xval) == True) |
8902c43b | 219 | config.foreground_color = strdup(xval.addr); |
fd530f3f | 220 | if (XrmGetResource(xdb, "xmenu.selbackground", "*", &type, &xval) == True) |
8902c43b | 221 | config.selbackground_color = strdup(xval.addr); |
fd530f3f | 222 | if (XrmGetResource(xdb, "xmenu.selforeground", "*", &type, &xval) == True) |
8902c43b | 223 | config.selforeground_color = strdup(xval.addr); |
fd530f3f | 224 | if (XrmGetResource(xdb, "xmenu.separator", "*", &type, &xval) == True) |
8902c43b | 225 | config.separator_color = strdup(xval.addr); |
fd530f3f | 226 | if (XrmGetResource(xdb, "xmenu.border", "*", &type, &xval) == True) |
8902c43b | 227 | config.border_color = strdup(xval.addr); |
fd530f3f | 228 | if (XrmGetResource(xdb, "xmenu.font", "*", &type, &xval) == True) |
8902c43b | 229 | config.font = strdup(xval.addr); |
fd530f3f | 230 | |
231 | XrmDestroyDatabase(xdb); | |
f644b8bc | 232 | } |
233 | ||
a7732690 | 234 | /* init draw context */ |
235 | static void | |
8902c43b | 236 | initdc(void) |
a7732690 | 237 | { |
238 | /* get color pixels */ | |
8902c43b | 239 | ealloccolor(config.background_color, &dc.normal[ColorBG]); |
240 | ealloccolor(config.foreground_color, &dc.normal[ColorFG]); | |
241 | ealloccolor(config.selbackground_color, &dc.selected[ColorBG]); | |
242 | ealloccolor(config.selforeground_color, &dc.selected[ColorFG]); | |
243 | ealloccolor(config.separator_color, &dc.separator); | |
244 | ealloccolor(config.border_color, &dc.border); | |
a7732690 | 245 | |
cdeaefaa | 246 | /* parse fonts */ |
247 | parsefonts(config.font); | |
a7732690 | 248 | |
fd530f3f | 249 | /* create common GC */ |
a7732690 | 250 | dc.gc = XCreateGC(dpy, rootwin, 0, NULL); |
a7732690 | 251 | } |
252 | ||
b6cf4847 | 253 | /* calculate icon size */ |
a7732690 | 254 | static void |
b6cf4847 | 255 | initiconsize(void) |
a7732690 | 256 | { |
71b4db92 | 257 | config.iconsize = config.height_pixels - config.iconpadding * 2; |
8902c43b | 258 | } |
259 | ||
260 | /* intern atoms */ | |
261 | static void | |
262 | initatoms(void) | |
263 | { | |
264 | utf8string = XInternAtom(dpy, "UTF8_STRING", False); | |
265 | wmdelete = XInternAtom(dpy, "WM_DELETE_WINDOW", False); | |
266 | netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); | |
267 | netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False); | |
268 | netatom[NetWMWindowTypePopupMenu] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_POPUP_MENU", False); | |
a7732690 | 269 | } |
270 | ||
a7732690 | 271 | /* allocate an item */ |
272 | static struct Item * | |
33376f54 | 273 | allocitem(const char *label, const char *output, char *file) |
a7732690 | 274 | { |
275 | struct Item *item; | |
276 | ||
277 | if ((item = malloc(sizeof *item)) == NULL) | |
278 | err(1, "malloc"); | |
a5ddd2cd | 279 | if (label == NULL) { |
7fbd1c5e | 280 | item->label = NULL; |
281 | item->output = NULL; | |
282 | } else { | |
283 | if ((item->label = strdup(label)) == NULL) | |
284 | err(1, "strdup"); | |
15dfafdf | 285 | if (label == output) { |
286 | item->output = item->label; | |
287 | } else { | |
288 | if ((item->output = strdup(output)) == NULL) | |
289 | err(1, "strdup"); | |
290 | } | |
7fbd1c5e | 291 | } |
33376f54 | 292 | if (file == NULL) { |
293 | item->file = NULL; | |
294 | } else { | |
295 | if ((item->file = strdup(file)) == NULL) | |
296 | err(1, "strdup"); | |
297 | } | |
a80fee22 | 298 | item->y = 0; |
beae67a6 | 299 | item->h = 0; |
a7732690 | 300 | item->next = NULL; |
301 | item->submenu = NULL; | |
3bec05ea | 302 | item->icon = NULL; |
a7732690 | 303 | |
304 | return item; | |
305 | } | |
306 | ||
a3a73837 | 307 | /* allocate a menu and create its window */ |
a7732690 | 308 | static struct Menu * |
309 | allocmenu(struct Menu *parent, struct Item *list, unsigned level) | |
310 | { | |
311 | XSetWindowAttributes swa; | |
312 | struct Menu *menu; | |
313 | ||
314 | if ((menu = malloc(sizeof *menu)) == NULL) | |
315 | err(1, "malloc"); | |
316 | menu->parent = parent; | |
317 | menu->list = list; | |
d888f2ca | 318 | menu->caller = NULL; |
a7732690 | 319 | menu->selected = NULL; |
d2304ecf | 320 | menu->w = 0; /* recalculated by setupmenu() */ |
321 | menu->h = 0; /* recalculated by setupmenu() */ | |
322 | menu->x = mon.x; /* recalculated by setupmenu() */ | |
323 | menu->y = mon.y; /* recalculated by setupmenu() */ | |
a7732690 | 324 | menu->level = level; |
3d853664 | 325 | menu->drawn = 0; |
a2ff706d | 326 | menu->hasicon = 0; |
a7732690 | 327 | |
3bec05ea | 328 | swa.override_redirect = (wflag) ? False : True; |
fd530f3f | 329 | swa.background_pixel = dc.normal[ColorBG].pixel; |
330 | swa.border_pixel = dc.border.pixel; | |
331 | swa.save_under = True; /* pop-up windows should save_under*/ | |
a7732690 | 332 | swa.event_mask = ExposureMask | KeyPressMask | ButtonPressMask | ButtonReleaseMask |
f15fc339 | 333 | | PointerMotionMask | LeaveWindowMask; |
3bec05ea | 334 | if (wflag) |
335 | swa.event_mask |= StructureNotifyMask; | |
beae67a6 | 336 | menu->win = XCreateWindow(dpy, rootwin, 0, 0, 1, 1, 0, |
a7732690 | 337 | CopyFromParent, CopyFromParent, CopyFromParent, |
fd530f3f | 338 | CWOverrideRedirect | CWBackPixel | |
339 | CWBorderPixel | CWEventMask | CWSaveUnder, | |
a7732690 | 340 | &swa); |
341 | ||
342 | return menu; | |
343 | } | |
344 | ||
a5ddd2cd | 345 | /* build the menu tree */ |
346 | static struct Menu * | |
33376f54 | 347 | buildmenutree(unsigned level, const char *label, const char *output, char *file) |
a5ddd2cd | 348 | { |
349 | static struct Menu *prevmenu = NULL; /* menu the previous item was added to */ | |
350 | static struct Menu *rootmenu = NULL; /* menu to be returned */ | |
351 | struct Item *curritem = NULL; /* item currently being read */ | |
352 | struct Item *item; /* dummy item for loops */ | |
353 | struct Menu *menu; /* dummy menu for loops */ | |
354 | unsigned i; | |
355 | ||
356 | /* create the item */ | |
33376f54 | 357 | curritem = allocitem(label, output, file); |
a5ddd2cd | 358 | |
359 | /* put the item in the menu tree */ | |
360 | if (prevmenu == NULL) { /* there is no menu yet */ | |
685ca30d | 361 | menu = allocmenu(NULL, curritem, level); |
362 | rootmenu = menu; | |
363 | prevmenu = menu; | |
364 | curritem->prev = NULL; | |
a5ddd2cd | 365 | } else if (level < prevmenu->level) { /* item is continuation of a parent menu */ |
366 | /* go up the menu tree until find the menu this item continues */ | |
367 | for (menu = prevmenu, i = level; | |
368 | menu != NULL && i != prevmenu->level; | |
369 | menu = menu->parent, i++) | |
370 | ; | |
371 | if (menu == NULL) | |
70f5db0f | 372 | errx(1, "improper indentation detected"); |
a5ddd2cd | 373 | |
374 | /* find last item in the new menu */ | |
375 | for (item = menu->list; item->next != NULL; item = item->next) | |
376 | ; | |
377 | ||
378 | prevmenu = menu; | |
379 | item->next = curritem; | |
380 | curritem->prev = item; | |
381 | } else if (level == prevmenu->level) { /* item is a continuation of current menu */ | |
382 | /* find last item in the previous menu */ | |
383 | for (item = prevmenu->list; item->next != NULL; item = item->next) | |
384 | ; | |
385 | ||
386 | item->next = curritem; | |
387 | curritem->prev = item; | |
388 | } else if (level > prevmenu->level) { /* item begins a new menu */ | |
389 | menu = allocmenu(prevmenu, curritem, level); | |
390 | ||
391 | /* find last item in the previous menu */ | |
392 | for (item = prevmenu->list; item->next != NULL; item = item->next) | |
393 | ; | |
394 | ||
395 | prevmenu = menu; | |
396 | menu->caller = item; | |
397 | item->submenu = menu; | |
398 | curritem->prev = NULL; | |
399 | } | |
400 | ||
a2ff706d | 401 | if (curritem->file) |
402 | prevmenu->hasicon = 1; | |
403 | ||
a5ddd2cd | 404 | return rootmenu; |
405 | } | |
406 | ||
a7732690 | 407 | /* create menus and items from the stdin */ |
257e42cc | 408 | static struct Menu * |
a7732690 | 409 | parsestdin(void) |
410 | { | |
a5ddd2cd | 411 | struct Menu *rootmenu; |
a7732690 | 412 | char *s, buf[BUFSIZ]; |
33376f54 | 413 | char *file, *label, *output; |
a7732690 | 414 | unsigned level = 0; |
257e42cc | 415 | |
ddb15acf | 416 | rootmenu = NULL; |
417 | ||
a7732690 | 418 | while (fgets(buf, BUFSIZ, stdin) != NULL) { |
a5ddd2cd | 419 | /* get the indentation level */ |
420 | level = strspn(buf, "\t"); | |
a7732690 | 421 | |
a5ddd2cd | 422 | /* get the label */ |
423 | s = level + buf; | |
424 | label = strtok(s, "\t\n"); | |
a7732690 | 425 | |
33376f54 | 426 | /* get the filename */ |
427 | file = NULL; | |
428 | if (label != NULL && strncmp(label, "IMG:", 4) == 0) { | |
429 | file = label + 4; | |
430 | label = strtok(NULL, "\t\n"); | |
431 | } | |
432 | ||
a5ddd2cd | 433 | /* get the output */ |
434 | output = strtok(NULL, "\n"); | |
435 | if (output == NULL) { | |
436 | output = label; | |
437 | } else { | |
438 | while (*output == '\t') | |
439 | output++; | |
a7732690 | 440 | } |
a5ddd2cd | 441 | |
33376f54 | 442 | rootmenu = buildmenutree(level, label, output, file); |
a7732690 | 443 | } |
a7732690 | 444 | |
257e42cc | 445 | return rootmenu; |
a7732690 | 446 | } |
447 | ||
3d853664 | 448 | /* get next utf8 char from s return its codepoint and set next_ret to pointer to end of character */ |
cdeaefaa | 449 | static FcChar32 |
450 | getnextutf8char(const char *s, const char **next_ret) | |
451 | { | |
cdeaefaa | 452 | static const unsigned char utfbyte[] = {0x80, 0x00, 0xC0, 0xE0, 0xF0}; |
cdeaefaa | 453 | static const unsigned char utfmask[] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; |
cdeaefaa | 454 | static const FcChar32 utfmin[] = {0, 0x00, 0x80, 0x800, 0x10000}; |
455 | static const FcChar32 utfmax[] = {0, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; | |
3d853664 | 456 | /* 0xFFFD is the replacement character, used to represent unknown characters */ |
cdeaefaa | 457 | static const FcChar32 unknown = 0xFFFD; |
458 | FcChar32 ucode; /* FcChar32 type holds 32 bits */ | |
459 | size_t usize = 0; /* n' of bytes of the utf8 character */ | |
460 | size_t i; | |
461 | ||
462 | *next_ret = s+1; | |
463 | ||
464 | /* get code of first byte of utf8 character */ | |
465 | for (i = 0; i < sizeof utfmask; i++) { | |
466 | if (((unsigned char)*s & utfmask[i]) == utfbyte[i]) { | |
467 | usize = i; | |
468 | ucode = (unsigned char)*s & ~utfmask[i]; | |
469 | break; | |
470 | } | |
471 | } | |
472 | ||
473 | /* if first byte is a continuation byte or is not allowed, return unknown */ | |
474 | if (i == sizeof utfmask || usize == 0) | |
475 | return unknown; | |
476 | ||
477 | /* check the other usize-1 bytes */ | |
478 | s++; | |
479 | for (i = 1; i < usize; i++) { | |
480 | *next_ret = s+1; | |
237da982 | 481 | /* if byte is nul or is not a continuation byte, return unknown */ |
cdeaefaa | 482 | if (*s == '\0' || ((unsigned char)*s & utfmask[0]) != utfbyte[0]) |
483 | return unknown; | |
484 | /* 6 is the number of relevant bits in the continuation byte */ | |
485 | ucode = (ucode << 6) | ((unsigned char)*s & ~utfmask[0]); | |
486 | s++; | |
487 | } | |
488 | ||
489 | /* check if ucode is invalid or in utf-16 surrogate halves */ | |
490 | if (!BETWEEN(ucode, utfmin[usize], utfmax[usize]) | |
491 | || BETWEEN (ucode, 0xD800, 0xDFFF)) | |
492 | return unknown; | |
493 | ||
494 | return ucode; | |
495 | } | |
496 | ||
f8d55995 | 497 | /* get which font contains a given code point */ |
498 | static XftFont * | |
499 | getfontucode(FcChar32 ucode) | |
500 | { | |
a48473fd | 501 | FcCharSet *fccharset = NULL; |
502 | FcPattern *fcpattern = NULL; | |
503 | FcPattern *match = NULL; | |
504 | XftFont *retfont = NULL; | |
6d56f279 | 505 | XftResult result; |
f8d55995 | 506 | size_t i; |
507 | ||
508 | for (i = 0; i < dc.nfonts; i++) | |
509 | if (XftCharExists(dpy, dc.fonts[i], ucode) == FcTrue) | |
510 | return dc.fonts[i]; | |
6d56f279 | 511 | |
512 | /* create a charset containing our code point */ | |
513 | fccharset = FcCharSetCreate(); | |
514 | FcCharSetAddChar(fccharset, ucode); | |
515 | ||
a48473fd | 516 | /* create a pattern akin to the dc.pattern but containing our charset */ |
517 | if (fccharset) { | |
518 | fcpattern = FcPatternDuplicate(dc.pattern); | |
519 | FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset); | |
520 | } | |
6d56f279 | 521 | |
522 | /* find pattern matching fcpattern */ | |
a48473fd | 523 | if (fcpattern) { |
524 | FcConfigSubstitute(NULL, fcpattern, FcMatchPattern); | |
525 | FcDefaultSubstitute(fcpattern); | |
526 | match = XftFontMatch(dpy, screen, fcpattern, &result); | |
527 | } | |
6d56f279 | 528 | |
529 | /* if found a pattern, open its font */ | |
530 | if (match) { | |
531 | retfont = XftFontOpenPattern(dpy, match); | |
532 | if (retfont && XftCharExists(dpy, retfont, ucode) == FcTrue) { | |
533 | if ((dc.fonts = realloc(dc.fonts, dc.nfonts+1)) == NULL) | |
534 | err(1, "realloc"); | |
a48473fd | 535 | dc.fonts[dc.nfonts] = retfont; |
536 | return dc.fonts[dc.nfonts++]; | |
6d56f279 | 537 | } else { |
538 | XftFontClose(dpy, retfont); | |
539 | } | |
540 | } | |
541 | ||
542 | /* in case no fount was found, return the first one */ | |
543 | return dc.fonts[0]; | |
f8d55995 | 544 | } |
545 | ||
546 | /* draw text into XftDraw, return width of text glyphs */ | |
cdeaefaa | 547 | static int |
548 | drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text) | |
549 | { | |
f8d55995 | 550 | int textwidth = 0; |
cdeaefaa | 551 | |
f8d55995 | 552 | while (*text) { |
553 | XftFont *currfont; | |
cdeaefaa | 554 | XGlyphInfo ext; |
f8d55995 | 555 | FcChar32 ucode; |
556 | const char *next; | |
cdeaefaa | 557 | size_t len; |
cdeaefaa | 558 | |
f8d55995 | 559 | ucode = getnextutf8char(text, &next); |
6d56f279 | 560 | currfont = getfontucode(ucode); |
cdeaefaa | 561 | |
f8d55995 | 562 | len = next - text; |
f8d55995 | 563 | XftTextExtentsUtf8(dpy, currfont, (XftChar8 *)text, len, &ext); |
564 | textwidth += ext.xOff; | |
cdeaefaa | 565 | |
566 | if (draw) { | |
a48473fd | 567 | int texty; |
568 | ||
569 | texty = y + (h - (currfont->ascent + currfont->descent))/2 + currfont->ascent; | |
f8d55995 | 570 | XftDrawStringUtf8(draw, color, currfont, x, texty, (XftChar8 *)text, len); |
cdeaefaa | 571 | x += ext.xOff; |
572 | } | |
573 | ||
f8d55995 | 574 | text = next; |
cdeaefaa | 575 | } |
576 | ||
f8d55995 | 577 | return textwidth; |
cdeaefaa | 578 | } |
579 | ||
71b4db92 | 580 | /* setup the height, width and icon of the items of a menu */ |
a7732690 | 581 | static void |
71b4db92 | 582 | setupitems(struct Menu *menu) |
a7732690 | 583 | { |
a80fee22 | 584 | struct Item *item; |
a7732690 | 585 | |
8902c43b | 586 | menu->w = config.width_pixels; |
a80fee22 | 587 | for (item = menu->list; item != NULL; item = item->next) { |
15362de4 | 588 | int itemwidth; |
589 | int textwidth; | |
590 | ||
a80fee22 | 591 | item->y = menu->h; |
beae67a6 | 592 | |
7fbd1c5e | 593 | if (item->label == NULL) /* height for separator item */ |
8902c43b | 594 | item->h = config.separator_pixels; |
a80fee22 | 595 | else |
8902c43b | 596 | item->h = config.height_pixels; |
beae67a6 | 597 | menu->h += item->h; |
f1583285 | 598 | |
15362de4 | 599 | if (item->label) |
d2304ecf | 600 | textwidth = drawtext(NULL, NULL, 0, 0, 0, item->label); |
15362de4 | 601 | else |
602 | textwidth = 0; | |
685ca30d | 603 | |
71b4db92 | 604 | /* |
605 | * set menu width | |
606 | * | |
15362de4 | 607 | * the item width depends on the size of its label (textwidth), |
71b4db92 | 608 | * and it is only used to calculate the width of the menu (which |
609 | * is equal to the width of the largest item). | |
610 | * | |
611 | * the horizontal padding appears 4 times through the width of a | |
15362de4 | 612 | * item: before and after its icon, and before and after its triangle. |
71b4db92 | 613 | * if the iflag is set (icons are disabled) then the horizontal |
15362de4 | 614 | * padding appears 3 times: before the label and around the triangle. |
71b4db92 | 615 | */ |
15362de4 | 616 | itemwidth = textwidth + config.triangle_width + config.horzpadding * 3; |
a2ff706d | 617 | itemwidth += (iflag || !menu->hasicon) ? 0 : config.iconsize + config.horzpadding; |
71b4db92 | 618 | menu->w = MAX(menu->w, itemwidth); |
a80fee22 | 619 | } |
f8ffe0b2 | 620 | } |
621 | ||
622 | /* setup the position of a menu */ | |
623 | static void | |
8902c43b | 624 | setupmenupos(struct Menu *menu) |
f8ffe0b2 | 625 | { |
626 | int width, height; | |
a7732690 | 627 | |
8902c43b | 628 | width = menu->w + config.border_pixels * 2; |
629 | height = menu->h + config.border_pixels * 2; | |
a7732690 | 630 | if (menu->parent == NULL) { /* if root menu, calculate in respect to cursor */ |
ef667106 | 631 | if (pflag || (config.posx >= mon.x && mon.x + mon.w - config.posx >= width)) |
05cfe1a0 | 632 | menu->x = config.posx; |
633 | else if (config.posx > width) | |
634 | menu->x = config.posx - width; | |
8902c43b | 635 | |
ef667106 | 636 | if (pflag || (config.posy >= mon.y && mon.y + mon.h - config.posy >= height)) |
05cfe1a0 | 637 | menu->y = config.posy; |
b6cf4847 | 638 | else if (mon.y + mon.h > height) |
237da982 | 639 | menu->y = mon.y + mon.h - height; |
a7732690 | 640 | } else { /* else, calculate in respect to parent menu */ |
237da982 | 641 | int parentwidth; |
642 | ||
643 | parentwidth = menu->parent->x + menu->parent->w + config.border_pixels + config.gap_pixels; | |
644 | ||
645 | if (mon.x + mon.w - parentwidth >= width) | |
646 | menu->x = parentwidth; | |
8902c43b | 647 | else if (menu->parent->x > menu->w + config.border_pixels + config.gap_pixels) |
648 | menu->x = menu->parent->x - menu->w - config.border_pixels - config.gap_pixels; | |
a7732690 | 649 | |
8e799bb4 | 650 | if (mon.y + mon.h - (menu->caller->y + menu->parent->y) >= height) |
8455c369 | 651 | menu->y = menu->caller->y + menu->parent->y; |
237da982 | 652 | else if (mon.y + mon.h > height) |
653 | menu->y = mon.y + mon.h - height; | |
a7732690 | 654 | } |
f8ffe0b2 | 655 | } |
656 | ||
657 | /* recursivelly setup menu configuration and its pixmap */ | |
658 | static void | |
8902c43b | 659 | setupmenu(struct Menu *menu, XClassHint *classh) |
f8ffe0b2 | 660 | { |
8902c43b | 661 | char *title; |
f8ffe0b2 | 662 | struct Item *item; |
f8ffe0b2 | 663 | XWindowChanges changes; |
664 | XSizeHints sizeh; | |
3bec05ea | 665 | XTextProperty wintitle; |
f8ffe0b2 | 666 | |
667 | /* setup size and position of menus */ | |
71b4db92 | 668 | setupitems(menu); |
8902c43b | 669 | setupmenupos(menu); |
a7732690 | 670 | |
671 | /* update menu geometry */ | |
8902c43b | 672 | changes.border_width = config.border_pixels; |
a7732690 | 673 | changes.height = menu->h; |
f1583285 | 674 | changes.width = menu->w; |
a7732690 | 675 | changes.x = menu->x; |
676 | changes.y = menu->y; | |
beae67a6 | 677 | XConfigureWindow(dpy, menu->win, CWBorderWidth | CWWidth | CWHeight | CWX | CWY, &changes); |
a7732690 | 678 | |
3bec05ea | 679 | /* set window title (used if wflag is on) */ |
680 | if (menu->parent == NULL) { | |
8902c43b | 681 | title = classh->res_name; |
3bec05ea | 682 | } else { |
8902c43b | 683 | title = menu->caller->output; |
3bec05ea | 684 | } |
8902c43b | 685 | XStringListToTextProperty(&title, 1, &wintitle); |
3bec05ea | 686 | |
d2435fcd | 687 | /* set window manager hints */ |
c15958bd | 688 | sizeh.flags = USPosition | PMaxSize | PMinSize; |
09c13122 | 689 | sizeh.min_width = sizeh.max_width = menu->w; |
690 | sizeh.min_height = sizeh.max_height = menu->h; | |
3bec05ea | 691 | XSetWMProperties(dpy, menu->win, &wintitle, NULL, NULL, 0, &sizeh, NULL, classh); |
09c13122 | 692 | |
a3a73837 | 693 | /* set WM protocols and ewmh window properties */ |
694 | XSetWMProtocols(dpy, menu->win, &wmdelete, 1); | |
8902c43b | 695 | XChangeProperty(dpy, menu->win, netatom[NetWMName], utf8string, 8, |
a3a73837 | 696 | PropModeReplace, (unsigned char *)title, strlen(title)); |
8902c43b | 697 | XChangeProperty(dpy, menu->win, netatom[NetWMWindowType], XA_ATOM, 32, |
698 | PropModeReplace, | |
699 | (unsigned char *)&netatom[NetWMWindowTypePopupMenu], 1); | |
700 | ||
a80fee22 | 701 | /* calculate positions of submenus */ |
a7732690 | 702 | for (item = menu->list; item != NULL; item = item->next) { |
703 | if (item->submenu != NULL) | |
8902c43b | 704 | setupmenu(item->submenu, classh); |
a7732690 | 705 | } |
706 | } | |
707 | ||
85003546 | 708 | /* try to grab pointer, we may have to wait for another process to ungrab */ |
709 | static void | |
710 | grabpointer(void) | |
711 | { | |
712 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; | |
713 | int i; | |
714 | ||
715 | for (i = 0; i < 1000; i++) { | |
716 | if (XGrabPointer(dpy, rootwin, True, ButtonPressMask, | |
717 | GrabModeAsync, GrabModeAsync, None, | |
718 | None, CurrentTime) == GrabSuccess) | |
719 | return; | |
720 | nanosleep(&ts, NULL); | |
721 | } | |
70f5db0f | 722 | errx(1, "could not grab pointer"); |
85003546 | 723 | } |
724 | ||
725 | /* try to grab keyboard, we may have to wait for another process to ungrab */ | |
726 | static void | |
727 | grabkeyboard(void) | |
728 | { | |
729 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; | |
730 | int i; | |
731 | ||
732 | for (i = 0; i < 1000; i++) { | |
733 | if (XGrabKeyboard(dpy, rootwin, True, GrabModeAsync, | |
734 | GrabModeAsync, CurrentTime) == GrabSuccess) | |
735 | return; | |
736 | nanosleep(&ts, NULL); | |
737 | } | |
8a7bfdf8 | 738 | errx(1, "could not grab keyboard"); |
85003546 | 739 | } |
740 | ||
3d853664 | 741 | /* load and scale icon */ |
742 | static Imlib_Image | |
743 | loadicon(const char *file) | |
744 | { | |
745 | Imlib_Image icon; | |
ed1650a7 | 746 | Imlib_Load_Error errcode; |
747 | const char *errstr; | |
3d853664 | 748 | int width; |
749 | int height; | |
750 | int imgsize; | |
751 | ||
ed1650a7 | 752 | icon = imlib_load_image_with_error_return(file, &errcode); |
f66f4c18 | 753 | if (*file == '\0') { |
754 | warnx("could not load icon (file name is blank)"); | |
755 | return NULL; | |
756 | } else if (icon == NULL) { | |
ed1650a7 | 757 | switch (errcode) { |
758 | case IMLIB_LOAD_ERROR_FILE_DOES_NOT_EXIST: | |
759 | errstr = "file does not exist"; | |
760 | break; | |
761 | case IMLIB_LOAD_ERROR_FILE_IS_DIRECTORY: | |
762 | errstr = "file is directory"; | |
763 | break; | |
764 | case IMLIB_LOAD_ERROR_PERMISSION_DENIED_TO_READ: | |
765 | case IMLIB_LOAD_ERROR_PERMISSION_DENIED_TO_WRITE: | |
766 | errstr = "permission denied"; | |
767 | break; | |
768 | case IMLIB_LOAD_ERROR_NO_LOADER_FOR_FILE_FORMAT: | |
769 | errstr = "unknown file format"; | |
770 | break; | |
771 | case IMLIB_LOAD_ERROR_PATH_TOO_LONG: | |
772 | errstr = "path too long"; | |
773 | break; | |
774 | case IMLIB_LOAD_ERROR_PATH_COMPONENT_NON_EXISTANT: | |
775 | case IMLIB_LOAD_ERROR_PATH_COMPONENT_NOT_DIRECTORY: | |
776 | case IMLIB_LOAD_ERROR_PATH_POINTS_OUTSIDE_ADDRESS_SPACE: | |
777 | errstr = "improper path"; | |
778 | break; | |
779 | case IMLIB_LOAD_ERROR_TOO_MANY_SYMBOLIC_LINKS: | |
780 | errstr = "too many symbolic links"; | |
781 | break; | |
782 | case IMLIB_LOAD_ERROR_OUT_OF_MEMORY: | |
783 | errstr = "out of memory"; | |
784 | break; | |
785 | case IMLIB_LOAD_ERROR_OUT_OF_FILE_DESCRIPTORS: | |
786 | errstr = "out of file descriptors"; | |
787 | break; | |
788 | default: | |
789 | errstr = "unknown error"; | |
790 | break; | |
791 | } | |
f66f4c18 | 792 | warnx("could not load icon (%s): %s", errstr, file); |
793 | return NULL; | |
ed1650a7 | 794 | } |
3d853664 | 795 | |
796 | imlib_context_set_image(icon); | |
797 | ||
798 | width = imlib_image_get_width(); | |
799 | height = imlib_image_get_height(); | |
800 | imgsize = MIN(width, height); | |
801 | ||
802 | icon = imlib_create_cropped_scaled_image(0, 0, imgsize, imgsize, | |
803 | config.iconsize, | |
804 | config.iconsize); | |
805 | ||
806 | return icon; | |
807 | } | |
808 | ||
809 | /* draw pixmap for the selected and unselected version of each item on menu */ | |
810 | static void | |
811 | drawitems(struct Menu *menu) | |
812 | { | |
813 | struct Item *item; | |
814 | ||
815 | for (item = menu->list; item != NULL; item = item->next) { | |
816 | XftDraw *dsel, *dunsel; | |
817 | int x, y; | |
818 | ||
819 | item->unsel = XCreatePixmap(dpy, menu->win, menu->w, item->h, | |
820 | DefaultDepth(dpy, screen)); | |
821 | ||
822 | XSetForeground(dpy, dc.gc, dc.normal[ColorBG].pixel); | |
823 | XFillRectangle(dpy, item->unsel, dc.gc, 0, 0, menu->w, item->h); | |
824 | ||
825 | if (item->label == NULL) { /* item is separator */ | |
826 | y = item->h/2; | |
827 | XSetForeground(dpy, dc.gc, dc.separator.pixel); | |
828 | XDrawLine(dpy, item->unsel, dc.gc, config.horzpadding, y, | |
829 | menu->w - config.horzpadding, y); | |
830 | ||
831 | item->sel = item->unsel; | |
832 | } else { | |
833 | ||
834 | item->sel = XCreatePixmap(dpy, menu->win, menu->w, item->h, | |
835 | DefaultDepth(dpy, screen)); | |
836 | XSetForeground(dpy, dc.gc, dc.selected[ColorBG].pixel); | |
837 | XFillRectangle(dpy, item->sel, dc.gc, 0, 0, menu->w, item->h); | |
838 | ||
839 | /* draw text */ | |
840 | x = config.horzpadding; | |
a2ff706d | 841 | x += (iflag || !menu->hasicon) ? 0 : config.horzpadding + config.iconsize; |
3d853664 | 842 | dsel = XftDrawCreate(dpy, item->sel, visual, colormap); |
843 | dunsel = XftDrawCreate(dpy, item->unsel, visual, colormap); | |
844 | XSetForeground(dpy, dc.gc, dc.selected[ColorFG].pixel); | |
845 | drawtext(dsel, &dc.selected[ColorFG], x, 0, item->h, item->label); | |
846 | XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel); | |
847 | drawtext(dunsel, &dc.normal[ColorFG], x, 0, item->h, item->label); | |
848 | XftDrawDestroy(dsel); | |
849 | XftDrawDestroy(dunsel); | |
850 | ||
851 | /* draw triangle */ | |
852 | if (item->submenu != NULL) { | |
853 | x = menu->w - config.triangle_width - config.horzpadding; | |
854 | y = (item->h - config.triangle_height + 1) / 2; | |
855 | ||
856 | XPoint triangle[] = { | |
857 | {x, y}, | |
858 | {x + config.triangle_width, y + config.triangle_height/2}, | |
859 | {x, y + config.triangle_height}, | |
860 | {x, y} | |
861 | }; | |
862 | ||
863 | XSetForeground(dpy, dc.gc, dc.selected[ColorFG].pixel); | |
864 | XFillPolygon(dpy, item->sel, dc.gc, triangle, LEN(triangle), | |
865 | Convex, CoordModeOrigin); | |
866 | XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel); | |
867 | XFillPolygon(dpy, item->unsel, dc.gc, triangle, LEN(triangle), | |
868 | Convex, CoordModeOrigin); | |
869 | } | |
870 | ||
d3c21312 | 871 | /* try to load icon */ |
872 | if (item->file && !iflag) { | |
3d853664 | 873 | item->icon = loadicon(item->file); |
d3c21312 | 874 | free(item->file); |
875 | } | |
3d853664 | 876 | |
d3c21312 | 877 | /* draw icon if properly loaded */ |
f66f4c18 | 878 | if (item->icon) { |
3d853664 | 879 | imlib_context_set_image(item->icon); |
237da982 | 880 | imlib_context_set_drawable(item->sel); |
3d853664 | 881 | imlib_render_image_on_drawable(config.horzpadding, config.iconpadding); |
882 | imlib_context_set_drawable(item->unsel); | |
883 | imlib_render_image_on_drawable(config.horzpadding, config.iconpadding); | |
d3c21312 | 884 | imlib_context_set_image(item->icon); |
885 | imlib_free_image(); | |
3d853664 | 886 | } |
887 | } | |
888 | } | |
889 | } | |
890 | ||
891 | /* copy pixmaps of items of the current menu and of its ancestors into menu window */ | |
892 | static void | |
893 | drawmenus(struct Menu *currmenu) | |
894 | { | |
895 | struct Menu *menu; | |
896 | struct Item *item; | |
897 | ||
898 | for (menu = currmenu; menu != NULL; menu = menu->parent) { | |
899 | if (!menu->drawn) { | |
900 | drawitems(menu); | |
901 | menu->drawn = 1; | |
902 | } | |
903 | for (item = menu->list; item != NULL; item = item->next) { | |
904 | if (item == menu->selected) | |
905 | XCopyArea(dpy, item->sel, menu->win, dc.gc, 0, 0, | |
906 | menu->w, item->h, 0, item->y); | |
907 | else | |
908 | XCopyArea(dpy, item->unsel, menu->win, dc.gc, 0, 0, | |
909 | menu->w, item->h, 0, item->y); | |
910 | } | |
911 | } | |
912 | } | |
913 | ||
257e42cc | 914 | /* umap previous menus and map current menu and its parents */ |
a7732690 | 915 | static void |
257e42cc | 916 | mapmenu(struct Menu *currmenu) |
a7732690 | 917 | { |
257e42cc | 918 | static struct Menu *prevmenu = NULL; |
d8a7caf2 | 919 | struct Menu *menu, *menu_; |
d8a7caf2 | 920 | struct Menu *lcamenu; /* lowest common ancestor menu */ |
921 | unsigned minlevel; /* level of the closest to root menu */ | |
922 | unsigned maxlevel; /* level of the closest to root menu */ | |
a7732690 | 923 | |
257e42cc | 924 | /* do not remap current menu if it wasn't updated*/ |
925 | if (prevmenu == currmenu) | |
a7732690 | 926 | return; |
927 | ||
257e42cc | 928 | /* if this is the first time mapping, skip calculations */ |
929 | if (prevmenu == NULL) { | |
fd530f3f | 930 | XMapWindow(dpy, currmenu->win); |
cdc4d51f | 931 | prevmenu = currmenu; |
932 | return; | |
27443900 | 933 | } |
934 | ||
d8a7caf2 | 935 | /* find lowest common ancestor menu */ |
257e42cc | 936 | minlevel = MIN(currmenu->level, prevmenu->level); |
937 | maxlevel = MAX(currmenu->level, prevmenu->level); | |
938 | if (currmenu->level == maxlevel) { | |
27443900 | 939 | menu = currmenu; |
257e42cc | 940 | menu_ = prevmenu; |
941 | } else { | |
942 | menu = prevmenu; | |
943 | menu_ = currmenu; | |
27443900 | 944 | } |
945 | while (menu->level > minlevel) | |
946 | menu = menu->parent; | |
947 | while (menu != menu_) { | |
948 | menu = menu->parent; | |
949 | menu_ = menu_->parent; | |
d8a7caf2 | 950 | } |
27443900 | 951 | lcamenu = menu; |
d8a7caf2 | 952 | |
873c080c | 953 | /* unmap menus from currmenu (inclusive) until lcamenu (exclusive) */ |
257e42cc | 954 | for (menu = prevmenu; menu != lcamenu; menu = menu->parent) { |
8455c369 | 955 | menu->selected = NULL; |
a7732690 | 956 | XUnmapWindow(dpy, menu->win); |
957 | } | |
958 | ||
873c080c | 959 | /* map menus from currmenu (inclusive) until lcamenu (exclusive) */ |
d8a7caf2 | 960 | for (menu = currmenu; menu != lcamenu; menu = menu->parent) { |
3bec05ea | 961 | |
962 | if (wflag) { | |
8902c43b | 963 | setupmenupos(menu); |
3bec05ea | 964 | XMoveWindow(dpy, menu->win, menu->x, menu->y); |
965 | } | |
966 | ||
a7732690 | 967 | XMapWindow(dpy, menu->win); |
fd530f3f | 968 | } |
257e42cc | 969 | |
257e42cc | 970 | prevmenu = currmenu; |
fd530f3f | 971 | } |
972 | ||
8902c43b | 973 | /* get menu of given window */ |
974 | static struct Menu * | |
975 | getmenu(struct Menu *currmenu, Window win) | |
976 | { | |
977 | struct Menu *menu; | |
978 | ||
979 | for (menu = currmenu; menu != NULL; menu = menu->parent) | |
980 | if (menu->win == win) | |
981 | return menu; | |
982 | ||
983 | return NULL; | |
984 | } | |
985 | ||
986 | /* get item of given menu and position */ | |
987 | static struct Item * | |
988 | getitem(struct Menu *menu, int y) | |
989 | { | |
990 | struct Item *item; | |
991 | ||
992 | if (menu == NULL) | |
993 | return NULL; | |
994 | ||
995 | for (item = menu->list; item != NULL; item = item->next) | |
996 | if (y >= item->y && y <= item->y + item->h) | |
997 | return item; | |
998 | ||
999 | return NULL; | |
1000 | } | |
1001 | ||
858338d9 | 1002 | /* cycle through the items; non-zero direction is next, zero is prev */ |
1003 | static struct Item * | |
257e42cc | 1004 | itemcycle(struct Menu *currmenu, int direction) |
858338d9 | 1005 | { |
006c94ce | 1006 | struct Item *item = NULL; |
858338d9 | 1007 | struct Item *lastitem; |
1008 | ||
006c94ce | 1009 | for (lastitem = currmenu->list; lastitem && lastitem->next; lastitem = lastitem->next) |
1010 | ; | |
858338d9 | 1011 | |
006c94ce | 1012 | /* select item (either separator or labeled item) in given direction */ |
1013 | switch (direction) { | |
1014 | case ITEMNEXT: | |
858338d9 | 1015 | if (currmenu->selected == NULL) |
1016 | item = currmenu->list; | |
1017 | else if (currmenu->selected->next != NULL) | |
1018 | item = currmenu->selected->next; | |
006c94ce | 1019 | break; |
1020 | case ITEMPREV: | |
858338d9 | 1021 | if (currmenu->selected == NULL) |
1022 | item = lastitem; | |
1023 | else if (currmenu->selected->prev != NULL) | |
1024 | item = currmenu->selected->prev; | |
006c94ce | 1025 | break; |
1026 | case ITEMFIRST: | |
1027 | item = currmenu->list; | |
1028 | break; | |
1029 | case ITEMLAST: | |
1030 | item = lastitem; | |
1031 | break; | |
1032 | } | |
858338d9 | 1033 | |
006c94ce | 1034 | /* |
1035 | * the selected item can be a separator | |
1036 | * let's select the closest labeled item (ie., one that isn't a separator) | |
1037 | */ | |
1038 | switch (direction) { | |
1039 | case ITEMNEXT: | |
1040 | case ITEMFIRST: | |
1041 | while (item != NULL && item->label == NULL) | |
1042 | item = item->next; | |
1043 | if (item == NULL) | |
1044 | item = currmenu->list; | |
1045 | break; | |
1046 | case ITEMPREV: | |
1047 | case ITEMLAST: | |
858338d9 | 1048 | while (item != NULL && item->label == NULL) |
1049 | item = item->prev; | |
858338d9 | 1050 | if (item == NULL) |
1051 | item = lastitem; | |
006c94ce | 1052 | break; |
858338d9 | 1053 | } |
1054 | ||
1055 | return item; | |
1056 | } | |
1057 | ||
a7732690 | 1058 | /* run event loop */ |
1059 | static void | |
257e42cc | 1060 | run(struct Menu *currmenu) |
a7732690 | 1061 | { |
1062 | struct Menu *menu; | |
1063 | struct Item *item; | |
1064 | struct Item *previtem = NULL; | |
c2959cf4 | 1065 | struct Item *lastitem; |
858338d9 | 1066 | KeySym ksym; |
a7732690 | 1067 | XEvent ev; |
1068 | ||
257e42cc | 1069 | mapmenu(currmenu); |
fd530f3f | 1070 | |
a7732690 | 1071 | while (!XNextEvent(dpy, &ev)) { |
1072 | switch(ev.type) { | |
1073 | case Expose: | |
858338d9 | 1074 | if (ev.xexpose.count == 0) |
3d853664 | 1075 | drawmenus(currmenu); |
a7732690 | 1076 | break; |
1077 | case MotionNotify: | |
257e42cc | 1078 | menu = getmenu(currmenu, ev.xbutton.window); |
0c1a7864 | 1079 | item = getitem(menu, ev.xbutton.y); |
c6d9174e | 1080 | if (menu == NULL || item == NULL || previtem == item) |
fd530f3f | 1081 | break; |
c6d9174e | 1082 | previtem = item; |
1083 | menu->selected = item; | |
1084 | if (item->submenu != NULL) { | |
1085 | currmenu = item->submenu; | |
1086 | currmenu->selected = NULL; | |
1087 | } else { | |
1088 | currmenu = menu; | |
a7732690 | 1089 | } |
c6d9174e | 1090 | mapmenu(currmenu); |
3d853664 | 1091 | drawmenus(currmenu); |
a7732690 | 1092 | break; |
1093 | case ButtonRelease: | |
257e42cc | 1094 | menu = getmenu(currmenu, ev.xbutton.window); |
0c1a7864 | 1095 | item = getitem(menu, ev.xbutton.y); |
fd530f3f | 1096 | if (menu == NULL || item == NULL) |
858338d9 | 1097 | break; |
fd530f3f | 1098 | selectitem: |
1099 | if (item->label == NULL) | |
1100 | break; /* ignore separators */ | |
1101 | if (item->submenu != NULL) { | |
257e42cc | 1102 | currmenu = item->submenu; |
a7732690 | 1103 | } else { |
fd530f3f | 1104 | printf("%s\n", item->output); |
08f16589 | 1105 | return; |
a7732690 | 1106 | } |
257e42cc | 1107 | mapmenu(currmenu); |
fd530f3f | 1108 | currmenu->selected = currmenu->list; |
3d853664 | 1109 | drawmenus(currmenu); |
fd530f3f | 1110 | break; |
858338d9 | 1111 | case ButtonPress: |
257e42cc | 1112 | menu = getmenu(currmenu, ev.xbutton.window); |
0c1a7864 | 1113 | if (menu == NULL) |
858338d9 | 1114 | return; |
1115 | break; | |
1116 | case KeyPress: | |
1117 | ksym = XkbKeycodeToKeysym(dpy, ev.xkey.keycode, 0, 0); | |
1118 | ||
0c1a7864 | 1119 | /* esc closes xmenu when current menu is the root menu */ |
257e42cc | 1120 | if (ksym == XK_Escape && currmenu->parent == NULL) |
858338d9 | 1121 | return; |
1122 | ||
1123 | /* Shift-Tab = ISO_Left_Tab */ | |
1124 | if (ksym == XK_Tab && (ev.xkey.state & ShiftMask)) | |
1125 | ksym = XK_ISO_Left_Tab; | |
1126 | ||
1127 | /* cycle through menu */ | |
1128 | item = NULL; | |
7b166488 | 1129 | if (ksym == XK_Home || ksym == KSYMFIRST) { |
006c94ce | 1130 | item = itemcycle(currmenu, ITEMFIRST); |
7b166488 | 1131 | } else if (ksym == XK_End || ksym == KSYMLAST) { |
006c94ce | 1132 | item = itemcycle(currmenu, ITEMLAST); |
7b166488 | 1133 | } else if (ksym == XK_ISO_Left_Tab || ksym == XK_Up || ksym == KSYMUP) { |
257e42cc | 1134 | item = itemcycle(currmenu, ITEMPREV); |
7b166488 | 1135 | } else if (ksym == XK_Tab || ksym == XK_Down || ksym == KSYMDOWN) { |
257e42cc | 1136 | item = itemcycle(currmenu, ITEMNEXT); |
2b0484b1 | 1137 | } else if (ksym >= XK_1 && ksym <= XK_9){ |
02511d09 | 1138 | item = itemcycle(currmenu, ITEMFIRST); |
c2959cf4 | 1139 | lastitem = itemcycle(currmenu, ITEMLAST); |
1140 | for (int i = ksym - XK_1; i > 0 && item != lastitem; i--) { | |
02511d09 R |
1141 | currmenu->selected = item; |
1142 | item = itemcycle(currmenu, ITEMNEXT); | |
02511d09 R |
1143 | } |
1144 | } else if ((ksym == XK_Return || ksym == XK_Right || ksym == KSYMRIGHT) && | |
1145 | currmenu->selected != NULL) { | |
858338d9 | 1146 | item = currmenu->selected; |
1147 | goto selectitem; | |
7b166488 | 1148 | } else if ((ksym == XK_Escape || ksym == XK_Left || ksym == KSYMLEFT) && |
858338d9 | 1149 | currmenu->parent != NULL) { |
1150 | item = currmenu->parent->selected; | |
257e42cc | 1151 | currmenu = currmenu->parent; |
1152 | mapmenu(currmenu); | |
858338d9 | 1153 | } else |
1154 | break; | |
1155 | currmenu->selected = item; | |
3d853664 | 1156 | drawmenus(currmenu); |
a7732690 | 1157 | break; |
f15fc339 | 1158 | case LeaveNotify: |
fd530f3f | 1159 | previtem = NULL; |
f15fc339 | 1160 | currmenu->selected = NULL; |
3d853664 | 1161 | drawmenus(currmenu); |
f15fc339 | 1162 | break; |
3bec05ea | 1163 | case ConfigureNotify: |
1164 | menu = getmenu(currmenu, ev.xconfigure.window); | |
1165 | if (menu == NULL) | |
1166 | break; | |
1167 | menu->x = ev.xconfigure.x; | |
1168 | menu->y = ev.xconfigure.y; | |
1169 | break; | |
1170 | case ClientMessage: | |
8902c43b | 1171 | if ((unsigned long) ev.xclient.data.l[0] != wmdelete) |
1172 | break; | |
3bec05ea | 1173 | /* user closed window */ |
1174 | menu = getmenu(currmenu, ev.xclient.window); | |
1175 | if (menu->parent == NULL) | |
1176 | return; /* closing the root menu closes the program */ | |
1177 | currmenu = menu->parent; | |
1178 | mapmenu(currmenu); | |
1179 | break; | |
a7732690 | 1180 | } |
1181 | } | |
1182 | } | |
1183 | ||
fd530f3f | 1184 | /* recursivelly free pixmaps and destroy windows */ |
f15fc339 | 1185 | static void |
8902c43b | 1186 | cleanmenu(struct Menu *menu) |
f15fc339 | 1187 | { |
1188 | struct Item *item; | |
ec4ed1ac | 1189 | struct Item *tmp; |
f15fc339 | 1190 | |
ec4ed1ac | 1191 | item = menu->list; |
1192 | while (item != NULL) { | |
f15fc339 | 1193 | if (item->submenu != NULL) |
8902c43b | 1194 | cleanmenu(item->submenu); |
ec4ed1ac | 1195 | tmp = item; |
3d853664 | 1196 | if (menu->drawn) { |
1197 | XFreePixmap(dpy, item->unsel); | |
1198 | if (tmp->label != NULL) | |
1199 | XFreePixmap(dpy, item->sel); | |
1200 | } | |
15dfafdf | 1201 | if (tmp->label != tmp->output) |
1202 | free(tmp->label); | |
6b5123e7 | 1203 | free(tmp->output); |
33376f54 | 1204 | item = item->next; |
ec4ed1ac | 1205 | free(tmp); |
1206 | } | |
f15fc339 | 1207 | |
f15fc339 | 1208 | XDestroyWindow(dpy, menu->win); |
ec4ed1ac | 1209 | free(menu); |
f15fc339 | 1210 | } |
1211 | ||
8902c43b | 1212 | /* cleanup X and exit */ |
a7732690 | 1213 | static void |
15dfafdf | 1214 | cleanup(void) |
a7732690 | 1215 | { |
7539247b | 1216 | size_t i; |
1217 | ||
257e42cc | 1218 | XUngrabPointer(dpy, CurrentTime); |
1219 | XUngrabKeyboard(dpy, CurrentTime); | |
1220 | ||
dbeb9940 | 1221 | XftColorFree(dpy, visual, colormap, &dc.normal[ColorBG]); |
1222 | XftColorFree(dpy, visual, colormap, &dc.normal[ColorFG]); | |
1223 | XftColorFree(dpy, visual, colormap, &dc.selected[ColorBG]); | |
1224 | XftColorFree(dpy, visual, colormap, &dc.selected[ColorFG]); | |
fd530f3f | 1225 | XftColorFree(dpy, visual, colormap, &dc.separator); |
1226 | XftColorFree(dpy, visual, colormap, &dc.border); | |
dbeb9940 | 1227 | |
7539247b | 1228 | for (i = 0; i < dc.nfonts; i++) |
1229 | XftFontClose(dpy, dc.fonts[i]); | |
1230 | ||
f15fc339 | 1231 | XFreeGC(dpy, dc.gc); |
a7732690 | 1232 | XCloseDisplay(dpy); |
a7732690 | 1233 | } |
1234 | ||
73a2a23d | 1235 | /* xmenu: generate menu from stdin and print selected entry to stdout */ |
1236 | int | |
1237 | main(int argc, char *argv[]) | |
a7732690 | 1238 | { |
73a2a23d | 1239 | struct Menu *rootmenu; |
1240 | XClassHint classh; | |
1241 | int ch; | |
1242 | ||
1243 | while ((ch = getopt(argc, argv, "ip:w")) != -1) { | |
1244 | switch (ch) { | |
1245 | case 'i': | |
1246 | iflag = 1; | |
1247 | break; | |
1248 | case 'p': | |
1249 | pflag = 1; | |
1250 | parseposition(optarg); | |
1251 | break; | |
1252 | case 'w': | |
1253 | wflag = 1; | |
1254 | break; | |
1255 | default: | |
1256 | usage(); | |
1257 | break; | |
1258 | } | |
1259 | } | |
1260 | argc -= optind; | |
1261 | argv += optind; | |
1262 | ||
1263 | if (argc > 1) | |
1264 | usage(); | |
1265 | ||
1266 | /* open connection to server and set X variables */ | |
1267 | if ((dpy = XOpenDisplay(NULL)) == NULL) | |
1268 | errx(1, "could not open display"); | |
1269 | screen = DefaultScreen(dpy); | |
1270 | visual = DefaultVisual(dpy, screen); | |
1271 | rootwin = RootWindow(dpy, screen); | |
1272 | colormap = DefaultColormap(dpy, screen); | |
1273 | ||
1274 | /* imlib2 stuff */ | |
1275 | if (!iflag) { | |
1276 | imlib_set_cache_size(2048 * 1024); | |
1277 | imlib_context_set_dither(1); | |
1278 | imlib_context_set_display(dpy); | |
1279 | imlib_context_set_visual(visual); | |
1280 | imlib_context_set_colormap(colormap); | |
1281 | } | |
1282 | ||
1283 | /* initializers */ | |
1284 | initmonitor(); | |
1285 | initresources(); | |
1286 | initdc(); | |
1287 | initiconsize(); | |
1288 | initatoms(); | |
1289 | ||
1290 | /* set window class */ | |
1291 | classh.res_class = PROGNAME; | |
1292 | if (argc == 1) | |
1293 | classh.res_name = *argv; | |
1294 | else | |
1295 | classh.res_name = PROGNAME; | |
1296 | ||
1297 | /* generate menus and set them up */ | |
1298 | rootmenu = parsestdin(); | |
1299 | if (rootmenu == NULL) | |
1300 | errx(1, "no menu generated"); | |
1301 | setupmenu(rootmenu, &classh); | |
1302 | ||
1303 | /* grab mouse and keyboard */ | |
1304 | if (!wflag) { | |
1305 | grabpointer(); | |
1306 | grabkeyboard(); | |
1307 | } | |
1308 | ||
1309 | /* run event loop */ | |
1310 | run(rootmenu); | |
1311 | ||
1312 | /* freeing stuff */ | |
1313 | cleanmenu(rootmenu); | |
1314 | cleanup(); | |
1315 | ||
1316 | return 0; | |
a7732690 | 1317 | } |