a7732690 |
1 | #include <err.h> |
2 | #include <stdio.h> |
3 | #include <stdlib.h> |
4 | #include <string.h> |
8902c43b |
5 | #include <time.h> |
a7732690 |
6 | #include <unistd.h> |
7 | #include <X11/Xlib.h> |
8902c43b |
8 | #include <X11/Xatom.h> |
a7732690 |
9 | #include <X11/Xutil.h> |
f644b8bc |
10 | #include <X11/Xresource.h> |
858338d9 |
11 | #include <X11/XKBlib.h> |
dbeb9940 |
12 | #include <X11/Xft/Xft.h> |
33376f54 |
13 | #include <Imlib2.h> |
8902c43b |
14 | #include "xmenu.h" |
858338d9 |
15 | |
8902c43b |
16 | /* |
17 | * Function declarations |
18 | */ |
19 | |
20 | /* initializers, and their helper routines */ |
21 | static void ealloccolor(const char *s, XftColor *color); |
22 | static void initresources(void); |
23 | static void initdc(void); |
71b4db92 |
24 | static void initconfig(void); |
8902c43b |
25 | static void initatoms(void); |
26 | |
27 | /* structure builders, and their helper routines */ |
33376f54 |
28 | static struct Item *allocitem(const char *label, const char *output, char *file); |
a7732690 |
29 | static struct Menu *allocmenu(struct Menu *parent, struct Item *list, unsigned level); |
33376f54 |
30 | static struct Menu *buildmenutree(unsigned level, const char *label, const char *output, char *file); |
257e42cc |
31 | static struct Menu *parsestdin(void); |
8902c43b |
32 | |
33 | /* image loader */ |
71b4db92 |
34 | static Imlib_Image loadicon(const char *file); |
8902c43b |
35 | |
36 | /* structure setters, and their helper routines */ |
71b4db92 |
37 | static void setupitems(struct Menu *menu); |
8902c43b |
38 | static void setupmenupos(struct Menu *menu); |
39 | static void setupmenu(struct Menu *menu, XClassHint *classh); |
40 | |
41 | /* grabbers */ |
85003546 |
42 | static void grabpointer(void); |
43 | static void grabkeyboard(void); |
8902c43b |
44 | |
45 | /* window drawers and mappers */ |
257e42cc |
46 | static void mapmenu(struct Menu *currmenu); |
47 | static void drawseparator(struct Menu *menu, struct Item *item); |
48 | static void drawitem(struct Menu *menu, struct Item *item, XftColor *color); |
49 | static void drawmenu(struct Menu *currmenu); |
8902c43b |
50 | |
51 | /* main event loop, and its helper routines */ |
52 | static struct Menu *getmenu(struct Menu *currmenu, Window win); |
53 | static struct Item *getitem(struct Menu *menu, int y); |
257e42cc |
54 | static struct Item *itemcycle(struct Menu *currmenu, int direction); |
55 | static void run(struct Menu *currmenu); |
8902c43b |
56 | |
57 | /* cleaners */ |
58 | static void cleanmenu(struct Menu *menu); |
15dfafdf |
59 | static void cleanup(void); |
8902c43b |
60 | |
61 | /* show usage */ |
a7732690 |
62 | static void usage(void); |
63 | |
8902c43b |
64 | |
65 | /* |
66 | * Variable declarations |
67 | */ |
68 | |
738ed9d5 |
69 | /* X stuff */ |
a7732690 |
70 | static Display *dpy; |
c6d9174e |
71 | static int screen; |
dbeb9940 |
72 | static Visual *visual; |
a7732690 |
73 | static Window rootwin; |
c6d9174e |
74 | static Colormap colormap; |
a7732690 |
75 | static struct DC dc; |
8902c43b |
76 | static Atom utf8string; |
3bec05ea |
77 | static Atom wmdelete; |
8902c43b |
78 | static Atom netatom[NetLast]; |
3bec05ea |
79 | |
80 | /* flags */ |
81 | static int wflag = 0; /* whether to let the window manager control XMenu */ |
71b4db92 |
82 | static int iflag = 0; /* whether to disable icons */ |
a7732690 |
83 | |
8902c43b |
84 | /* include config variable */ |
a7732690 |
85 | #include "config.h" |
86 | |
8902c43b |
87 | |
88 | /* |
89 | * Function implementations |
90 | */ |
91 | |
beae67a6 |
92 | /* xmenu: generate menu from stdin and print selected entry to stdout */ |
a7732690 |
93 | int |
94 | main(int argc, char *argv[]) |
95 | { |
257e42cc |
96 | struct Menu *rootmenu; |
3bec05ea |
97 | XClassHint classh; |
a7732690 |
98 | int ch; |
99 | |
71b4db92 |
100 | while ((ch = getopt(argc, argv, "iw")) != -1) { |
a7732690 |
101 | switch (ch) { |
71b4db92 |
102 | case 'i': |
103 | iflag = 1; |
104 | break; |
3bec05ea |
105 | case 'w': |
106 | wflag = 1; |
107 | break; |
a7732690 |
108 | default: |
109 | usage(); |
110 | break; |
111 | } |
112 | } |
113 | argc -= optind; |
114 | argv += optind; |
115 | |
3bec05ea |
116 | if (argc > 1) |
c6d9174e |
117 | usage(); |
118 | |
a7732690 |
119 | /* open connection to server and set X variables */ |
120 | if ((dpy = XOpenDisplay(NULL)) == NULL) |
121 | errx(1, "cannot open display"); |
122 | screen = DefaultScreen(dpy); |
dbeb9940 |
123 | visual = DefaultVisual(dpy, screen); |
a7732690 |
124 | rootwin = RootWindow(dpy, screen); |
125 | colormap = DefaultColormap(dpy, screen); |
21a9aaec |
126 | |
33376f54 |
127 | /* imlib2 stuff */ |
71b4db92 |
128 | if (!iflag) { |
129 | imlib_set_cache_size(2048 * 1024); |
130 | imlib_context_set_dither(1); |
131 | imlib_context_set_display(dpy); |
132 | imlib_context_set_visual(visual); |
133 | imlib_context_set_colormap(colormap); |
134 | } |
33376f54 |
135 | |
8902c43b |
136 | /* initializers */ |
137 | initresources(); |
138 | initdc(); |
71b4db92 |
139 | initconfig(); |
8902c43b |
140 | initatoms(); |
a7732690 |
141 | |
3bec05ea |
142 | /* set window class */ |
143 | classh.res_class = PROGNAME; |
144 | if (argc == 1) |
145 | classh.res_name = *argv; |
146 | else |
147 | classh.res_name = PROGNAME; |
148 | |
f8ffe0b2 |
149 | /* generate menus and set them up */ |
257e42cc |
150 | rootmenu = parsestdin(); |
a7732690 |
151 | if (rootmenu == NULL) |
152 | errx(1, "no menu generated"); |
8902c43b |
153 | setupmenu(rootmenu, &classh); |
a7732690 |
154 | |
465d07db |
155 | /* grab mouse and keyboard */ |
3bec05ea |
156 | if (!wflag) { |
157 | grabpointer(); |
158 | grabkeyboard(); |
159 | } |
465d07db |
160 | |
a7732690 |
161 | /* run event loop */ |
257e42cc |
162 | run(rootmenu); |
a7732690 |
163 | |
15dfafdf |
164 | /* freeing stuff */ |
8902c43b |
165 | cleanmenu(rootmenu); |
15dfafdf |
166 | cleanup(); |
167 | |
21a9aaec |
168 | return 0; |
169 | } |
170 | |
8902c43b |
171 | /* get color from color string */ |
172 | static void |
173 | ealloccolor(const char *s, XftColor *color) |
174 | { |
175 | if(!XftColorAllocName(dpy, visual, colormap, s, color)) |
176 | errx(1, "cannot allocate color: %s", s); |
177 | } |
178 | |
f644b8bc |
179 | /* read xrdb for configuration options */ |
180 | static void |
8902c43b |
181 | initresources(void) |
f644b8bc |
182 | { |
183 | char *xrm; |
184 | long n; |
fd530f3f |
185 | char *type; |
186 | XrmDatabase xdb; |
187 | XrmValue xval; |
f644b8bc |
188 | |
189 | XrmInitialize(); |
fd530f3f |
190 | if ((xrm = XResourceManagerString(dpy)) == NULL) |
191 | return; |
192 | |
193 | xdb = XrmGetStringDatabase(xrm); |
194 | |
195 | if (XrmGetResource(xdb, "xmenu.borderWidth", "*", &type, &xval) == True) |
196 | if ((n = strtol(xval.addr, NULL, 10)) > 0) |
8902c43b |
197 | config.border_pixels = n; |
fd530f3f |
198 | if (XrmGetResource(xdb, "xmenu.separatorWidth", "*", &type, &xval) == True) |
199 | if ((n = strtol(xval.addr, NULL, 10)) > 0) |
8902c43b |
200 | config.separator_pixels = n; |
685ca30d |
201 | if (XrmGetResource(xdb, "xmenu.height", "*", &type, &xval) == True) |
fd530f3f |
202 | if ((n = strtol(xval.addr, NULL, 10)) > 0) |
8902c43b |
203 | config.height_pixels = n; |
fd530f3f |
204 | if (XrmGetResource(xdb, "xmenu.width", "*", &type, &xval) == True) |
205 | if ((n = strtol(xval.addr, NULL, 10)) > 0) |
8902c43b |
206 | config.width_pixels = n; |
eecf9b25 |
207 | if (XrmGetResource(xdb, "xmenu.gap", "*", &type, &xval) == True) |
208 | if ((n = strtol(xval.addr, NULL, 10)) > 0) |
209 | config.gap_pixels = n; |
fd530f3f |
210 | if (XrmGetResource(xdb, "xmenu.background", "*", &type, &xval) == True) |
8902c43b |
211 | config.background_color = strdup(xval.addr); |
fd530f3f |
212 | if (XrmGetResource(xdb, "xmenu.foreground", "*", &type, &xval) == True) |
8902c43b |
213 | config.foreground_color = strdup(xval.addr); |
fd530f3f |
214 | if (XrmGetResource(xdb, "xmenu.selbackground", "*", &type, &xval) == True) |
8902c43b |
215 | config.selbackground_color = strdup(xval.addr); |
fd530f3f |
216 | if (XrmGetResource(xdb, "xmenu.selforeground", "*", &type, &xval) == True) |
8902c43b |
217 | config.selforeground_color = strdup(xval.addr); |
fd530f3f |
218 | if (XrmGetResource(xdb, "xmenu.separator", "*", &type, &xval) == True) |
8902c43b |
219 | config.separator_color = strdup(xval.addr); |
fd530f3f |
220 | if (XrmGetResource(xdb, "xmenu.border", "*", &type, &xval) == True) |
8902c43b |
221 | config.border_color = strdup(xval.addr); |
fd530f3f |
222 | if (XrmGetResource(xdb, "xmenu.font", "*", &type, &xval) == True) |
8902c43b |
223 | config.font = strdup(xval.addr); |
fd530f3f |
224 | |
225 | XrmDestroyDatabase(xdb); |
f644b8bc |
226 | } |
227 | |
a7732690 |
228 | /* init draw context */ |
229 | static void |
8902c43b |
230 | initdc(void) |
a7732690 |
231 | { |
232 | /* get color pixels */ |
8902c43b |
233 | ealloccolor(config.background_color, &dc.normal[ColorBG]); |
234 | ealloccolor(config.foreground_color, &dc.normal[ColorFG]); |
235 | ealloccolor(config.selbackground_color, &dc.selected[ColorBG]); |
236 | ealloccolor(config.selforeground_color, &dc.selected[ColorFG]); |
237 | ealloccolor(config.separator_color, &dc.separator); |
238 | ealloccolor(config.border_color, &dc.border); |
a7732690 |
239 | |
240 | /* try to get font */ |
8902c43b |
241 | if ((dc.font = XftFontOpenName(dpy, screen, config.font)) == NULL) |
a7732690 |
242 | errx(1, "cannot load font"); |
a7732690 |
243 | |
fd530f3f |
244 | /* create common GC */ |
a7732690 |
245 | dc.gc = XCreateGC(dpy, rootwin, 0, NULL); |
a7732690 |
246 | } |
247 | |
71b4db92 |
248 | /* calculate configuration values that are not set manually */ |
a7732690 |
249 | static void |
71b4db92 |
250 | initconfig(void) |
a7732690 |
251 | { |
8902c43b |
252 | Window dw; /* dummy variable */ |
253 | int di; /* dummy variable */ |
254 | unsigned du; /* dummy variable */ |
255 | |
256 | XQueryPointer(dpy, rootwin, &dw, &dw, &config.cursx, &config.cursy, &di, &di, &du); |
257 | config.screenw = DisplayWidth(dpy, screen); |
258 | config.screenh = DisplayHeight(dpy, screen); |
71b4db92 |
259 | config.iconsize = config.height_pixels - config.iconpadding * 2; |
8902c43b |
260 | } |
261 | |
262 | /* intern atoms */ |
263 | static void |
264 | initatoms(void) |
265 | { |
266 | utf8string = XInternAtom(dpy, "UTF8_STRING", False); |
267 | wmdelete = XInternAtom(dpy, "WM_DELETE_WINDOW", False); |
268 | netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); |
269 | netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False); |
270 | netatom[NetWMWindowTypePopupMenu] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_POPUP_MENU", False); |
a7732690 |
271 | } |
272 | |
a7732690 |
273 | /* allocate an item */ |
274 | static struct Item * |
33376f54 |
275 | allocitem(const char *label, const char *output, char *file) |
a7732690 |
276 | { |
277 | struct Item *item; |
278 | |
279 | if ((item = malloc(sizeof *item)) == NULL) |
280 | err(1, "malloc"); |
a5ddd2cd |
281 | if (label == NULL) { |
7fbd1c5e |
282 | item->label = NULL; |
283 | item->output = NULL; |
284 | } else { |
285 | if ((item->label = strdup(label)) == NULL) |
286 | err(1, "strdup"); |
15dfafdf |
287 | if (label == output) { |
288 | item->output = item->label; |
289 | } else { |
290 | if ((item->output = strdup(output)) == NULL) |
291 | err(1, "strdup"); |
292 | } |
7fbd1c5e |
293 | } |
33376f54 |
294 | if (file == NULL) { |
295 | item->file = NULL; |
296 | } else { |
297 | if ((item->file = strdup(file)) == NULL) |
298 | err(1, "strdup"); |
299 | } |
a80fee22 |
300 | item->y = 0; |
beae67a6 |
301 | item->h = 0; |
f1583285 |
302 | if (item->label == NULL) |
303 | item->labellen = 0; |
304 | else |
305 | item->labellen = strlen(item->label); |
a7732690 |
306 | item->next = NULL; |
307 | item->submenu = NULL; |
3bec05ea |
308 | item->icon = NULL; |
a7732690 |
309 | |
310 | return item; |
311 | } |
312 | |
a3a73837 |
313 | /* allocate a menu and create its window */ |
a7732690 |
314 | static struct Menu * |
315 | allocmenu(struct Menu *parent, struct Item *list, unsigned level) |
316 | { |
317 | XSetWindowAttributes swa; |
318 | struct Menu *menu; |
319 | |
320 | if ((menu = malloc(sizeof *menu)) == NULL) |
321 | err(1, "malloc"); |
322 | menu->parent = parent; |
323 | menu->list = list; |
d888f2ca |
324 | menu->caller = NULL; |
a7732690 |
325 | menu->selected = NULL; |
f8ffe0b2 |
326 | menu->w = 0; /* calculated by setupmenu() */ |
327 | menu->h = 0; /* calculated by setupmenu() */ |
328 | menu->x = 0; /* calculated by setupmenu() */ |
329 | menu->y = 0; /* calculated by setupmenu() */ |
a7732690 |
330 | menu->level = level; |
a7732690 |
331 | |
3bec05ea |
332 | swa.override_redirect = (wflag) ? False : True; |
fd530f3f |
333 | swa.background_pixel = dc.normal[ColorBG].pixel; |
334 | swa.border_pixel = dc.border.pixel; |
335 | swa.save_under = True; /* pop-up windows should save_under*/ |
a7732690 |
336 | swa.event_mask = ExposureMask | KeyPressMask | ButtonPressMask | ButtonReleaseMask |
f15fc339 |
337 | | PointerMotionMask | LeaveWindowMask; |
3bec05ea |
338 | if (wflag) |
339 | swa.event_mask |= StructureNotifyMask; |
beae67a6 |
340 | menu->win = XCreateWindow(dpy, rootwin, 0, 0, 1, 1, 0, |
a7732690 |
341 | CopyFromParent, CopyFromParent, CopyFromParent, |
fd530f3f |
342 | CWOverrideRedirect | CWBackPixel | |
343 | CWBorderPixel | CWEventMask | CWSaveUnder, |
a7732690 |
344 | &swa); |
345 | |
346 | return menu; |
347 | } |
348 | |
a5ddd2cd |
349 | /* build the menu tree */ |
350 | static struct Menu * |
33376f54 |
351 | buildmenutree(unsigned level, const char *label, const char *output, char *file) |
a5ddd2cd |
352 | { |
353 | static struct Menu *prevmenu = NULL; /* menu the previous item was added to */ |
354 | static struct Menu *rootmenu = NULL; /* menu to be returned */ |
355 | struct Item *curritem = NULL; /* item currently being read */ |
356 | struct Item *item; /* dummy item for loops */ |
357 | struct Menu *menu; /* dummy menu for loops */ |
358 | unsigned i; |
359 | |
360 | /* create the item */ |
33376f54 |
361 | curritem = allocitem(label, output, file); |
a5ddd2cd |
362 | |
363 | /* put the item in the menu tree */ |
364 | if (prevmenu == NULL) { /* there is no menu yet */ |
685ca30d |
365 | menu = allocmenu(NULL, curritem, level); |
366 | rootmenu = menu; |
367 | prevmenu = menu; |
368 | curritem->prev = NULL; |
a5ddd2cd |
369 | } else if (level < prevmenu->level) { /* item is continuation of a parent menu */ |
370 | /* go up the menu tree until find the menu this item continues */ |
371 | for (menu = prevmenu, i = level; |
372 | menu != NULL && i != prevmenu->level; |
373 | menu = menu->parent, i++) |
374 | ; |
375 | if (menu == NULL) |
376 | errx(1, "reached NULL menu"); |
377 | |
378 | /* find last item in the new menu */ |
379 | for (item = menu->list; item->next != NULL; item = item->next) |
380 | ; |
381 | |
382 | prevmenu = menu; |
383 | item->next = curritem; |
384 | curritem->prev = item; |
385 | } else if (level == prevmenu->level) { /* item is a continuation of current menu */ |
386 | /* find last item in the previous menu */ |
387 | for (item = prevmenu->list; item->next != NULL; item = item->next) |
388 | ; |
389 | |
390 | item->next = curritem; |
391 | curritem->prev = item; |
392 | } else if (level > prevmenu->level) { /* item begins a new menu */ |
393 | menu = allocmenu(prevmenu, curritem, level); |
394 | |
395 | /* find last item in the previous menu */ |
396 | for (item = prevmenu->list; item->next != NULL; item = item->next) |
397 | ; |
398 | |
399 | prevmenu = menu; |
400 | menu->caller = item; |
401 | item->submenu = menu; |
402 | curritem->prev = NULL; |
403 | } |
404 | |
405 | return rootmenu; |
406 | } |
407 | |
a7732690 |
408 | /* create menus and items from the stdin */ |
257e42cc |
409 | static struct Menu * |
a7732690 |
410 | parsestdin(void) |
411 | { |
a5ddd2cd |
412 | struct Menu *rootmenu; |
a7732690 |
413 | char *s, buf[BUFSIZ]; |
33376f54 |
414 | char *file, *label, *output; |
a7732690 |
415 | unsigned level = 0; |
257e42cc |
416 | |
ddb15acf |
417 | rootmenu = NULL; |
418 | |
a7732690 |
419 | while (fgets(buf, BUFSIZ, stdin) != NULL) { |
a5ddd2cd |
420 | /* get the indentation level */ |
421 | level = strspn(buf, "\t"); |
a7732690 |
422 | |
a5ddd2cd |
423 | /* get the label */ |
424 | s = level + buf; |
425 | label = strtok(s, "\t\n"); |
a7732690 |
426 | |
33376f54 |
427 | /* get the filename */ |
428 | file = NULL; |
429 | if (label != NULL && strncmp(label, "IMG:", 4) == 0) { |
430 | file = label + 4; |
431 | label = strtok(NULL, "\t\n"); |
432 | } |
433 | |
a5ddd2cd |
434 | /* get the output */ |
435 | output = strtok(NULL, "\n"); |
436 | if (output == NULL) { |
437 | output = label; |
438 | } else { |
439 | while (*output == '\t') |
440 | output++; |
a7732690 |
441 | } |
a5ddd2cd |
442 | |
33376f54 |
443 | rootmenu = buildmenutree(level, label, output, file); |
a7732690 |
444 | } |
a7732690 |
445 | |
257e42cc |
446 | return rootmenu; |
a7732690 |
447 | } |
448 | |
3bec05ea |
449 | /* load and scale icon */ |
33376f54 |
450 | static Imlib_Image |
71b4db92 |
451 | loadicon(const char *file) |
33376f54 |
452 | { |
3bec05ea |
453 | Imlib_Image icon; |
33376f54 |
454 | int width; |
455 | int height; |
456 | int imgsize; |
457 | |
3bec05ea |
458 | icon = imlib_load_image(file); |
459 | if (icon == NULL) |
460 | errx(1, "cannot load icon %s", file); |
33376f54 |
461 | |
3bec05ea |
462 | imlib_context_set_image(icon); |
33376f54 |
463 | |
464 | width = imlib_image_get_width(); |
465 | height = imlib_image_get_height(); |
466 | imgsize = MIN(width, height); |
467 | |
71b4db92 |
468 | icon = imlib_create_cropped_scaled_image(0, 0, imgsize, imgsize, |
469 | config.iconsize, |
470 | config.iconsize); |
33376f54 |
471 | |
3bec05ea |
472 | return icon; |
33376f54 |
473 | } |
474 | |
71b4db92 |
475 | /* setup the height, width and icon of the items of a menu */ |
a7732690 |
476 | static void |
71b4db92 |
477 | setupitems(struct Menu *menu) |
a7732690 |
478 | { |
dbeb9940 |
479 | XGlyphInfo ext; |
a80fee22 |
480 | struct Item *item; |
71b4db92 |
481 | int itemwidth; |
a7732690 |
482 | |
8902c43b |
483 | menu->w = config.width_pixels; |
a80fee22 |
484 | for (item = menu->list; item != NULL; item = item->next) { |
485 | item->y = menu->h; |
beae67a6 |
486 | |
7fbd1c5e |
487 | if (item->label == NULL) /* height for separator item */ |
8902c43b |
488 | item->h = config.separator_pixels; |
a80fee22 |
489 | else |
8902c43b |
490 | item->h = config.height_pixels; |
beae67a6 |
491 | menu->h += item->h; |
f1583285 |
492 | |
f8ffe0b2 |
493 | /* get length of item->label rendered in the font */ |
dbeb9940 |
494 | XftTextExtentsUtf8(dpy, dc.font, (XftChar8 *)item->label, |
495 | item->labellen, &ext); |
685ca30d |
496 | |
71b4db92 |
497 | /* |
498 | * set menu width |
499 | * |
500 | * the item width depends on the size of its label (ext.xOff), |
501 | * and it is only used to calculate the width of the menu (which |
502 | * is equal to the width of the largest item). |
503 | * |
504 | * the horizontal padding appears 4 times through the width of a |
505 | * item: before and after its icon, and before and after its triangle |
506 | * if the iflag is set (icons are disabled) then the horizontal |
507 | * padding appears before the label and around the triangle. |
508 | */ |
509 | itemwidth = ext.xOff + config.triangle_width + config.horzpadding * 3; |
510 | itemwidth += (iflag) ? 0 : config.iconsize + config.horzpadding; |
511 | menu->w = MAX(menu->w, itemwidth); |
33376f54 |
512 | |
3bec05ea |
513 | /* create icon */ |
71b4db92 |
514 | if (item->file != NULL && !iflag) |
515 | item->icon = loadicon(item->file); |
a80fee22 |
516 | } |
f8ffe0b2 |
517 | } |
518 | |
519 | /* setup the position of a menu */ |
520 | static void |
8902c43b |
521 | setupmenupos(struct Menu *menu) |
f8ffe0b2 |
522 | { |
523 | int width, height; |
a7732690 |
524 | |
8902c43b |
525 | width = menu->w + config.border_pixels * 2; |
526 | height = menu->h + config.border_pixels * 2; |
a7732690 |
527 | if (menu->parent == NULL) { /* if root menu, calculate in respect to cursor */ |
8902c43b |
528 | if (config.screenw - config.cursx >= menu->w) |
529 | menu->x = config.cursx; |
530 | else if (config.cursx > width) |
531 | menu->x = config.cursx - width; |
532 | |
533 | if (config.screenh - config.cursy >= height) |
534 | menu->y = config.cursy; |
535 | else if (config.screenh > height) |
536 | menu->y = config.screenh - height; |
a7732690 |
537 | } else { /* else, calculate in respect to parent menu */ |
8902c43b |
538 | if (config.screenw - (menu->parent->x + menu->parent->w + config.border_pixels + config.gap_pixels) >= width) |
539 | menu->x = menu->parent->x + menu->parent->w + config.border_pixels + config.gap_pixels; |
540 | else if (menu->parent->x > menu->w + config.border_pixels + config.gap_pixels) |
541 | menu->x = menu->parent->x - menu->w - config.border_pixels - config.gap_pixels; |
a7732690 |
542 | |
8902c43b |
543 | if (config.screenh - (menu->caller->y + menu->parent->y) > height) |
8455c369 |
544 | menu->y = menu->caller->y + menu->parent->y; |
8902c43b |
545 | else if (config.screenh - menu->parent->y > height) |
a7732690 |
546 | menu->y = menu->parent->y; |
8902c43b |
547 | else if (config.screenh > height) |
548 | menu->y = config.screenh - height; |
a7732690 |
549 | } |
f8ffe0b2 |
550 | } |
551 | |
552 | /* recursivelly setup menu configuration and its pixmap */ |
553 | static void |
8902c43b |
554 | setupmenu(struct Menu *menu, XClassHint *classh) |
f8ffe0b2 |
555 | { |
8902c43b |
556 | char *title; |
f8ffe0b2 |
557 | struct Item *item; |
f8ffe0b2 |
558 | XWindowChanges changes; |
559 | XSizeHints sizeh; |
3bec05ea |
560 | XTextProperty wintitle; |
f8ffe0b2 |
561 | |
562 | /* setup size and position of menus */ |
71b4db92 |
563 | setupitems(menu); |
8902c43b |
564 | setupmenupos(menu); |
a7732690 |
565 | |
566 | /* update menu geometry */ |
8902c43b |
567 | changes.border_width = config.border_pixels; |
a7732690 |
568 | changes.height = menu->h; |
f1583285 |
569 | changes.width = menu->w; |
a7732690 |
570 | changes.x = menu->x; |
571 | changes.y = menu->y; |
beae67a6 |
572 | XConfigureWindow(dpy, menu->win, CWBorderWidth | CWWidth | CWHeight | CWX | CWY, &changes); |
a7732690 |
573 | |
3bec05ea |
574 | /* set window title (used if wflag is on) */ |
575 | if (menu->parent == NULL) { |
8902c43b |
576 | title = classh->res_name; |
3bec05ea |
577 | } else { |
8902c43b |
578 | title = menu->caller->output; |
3bec05ea |
579 | } |
8902c43b |
580 | XStringListToTextProperty(&title, 1, &wintitle); |
3bec05ea |
581 | |
d2435fcd |
582 | /* set window manager hints */ |
09c13122 |
583 | sizeh.flags = PMaxSize | PMinSize; |
584 | sizeh.min_width = sizeh.max_width = menu->w; |
585 | sizeh.min_height = sizeh.max_height = menu->h; |
3bec05ea |
586 | XSetWMProperties(dpy, menu->win, &wintitle, NULL, NULL, 0, &sizeh, NULL, classh); |
09c13122 |
587 | |
dbeb9940 |
588 | /* create pixmap and XftDraw */ |
f15fc339 |
589 | menu->pixmap = XCreatePixmap(dpy, menu->win, menu->w, menu->h, |
590 | DefaultDepth(dpy, screen)); |
dbeb9940 |
591 | menu->draw = XftDrawCreate(dpy, menu->pixmap, visual, colormap); |
f15fc339 |
592 | |
a3a73837 |
593 | /* set WM protocols and ewmh window properties */ |
594 | XSetWMProtocols(dpy, menu->win, &wmdelete, 1); |
8902c43b |
595 | XChangeProperty(dpy, menu->win, netatom[NetWMName], utf8string, 8, |
a3a73837 |
596 | PropModeReplace, (unsigned char *)title, strlen(title)); |
8902c43b |
597 | XChangeProperty(dpy, menu->win, netatom[NetWMWindowType], XA_ATOM, 32, |
598 | PropModeReplace, |
599 | (unsigned char *)&netatom[NetWMWindowTypePopupMenu], 1); |
600 | |
a80fee22 |
601 | /* calculate positions of submenus */ |
a7732690 |
602 | for (item = menu->list; item != NULL; item = item->next) { |
603 | if (item->submenu != NULL) |
8902c43b |
604 | setupmenu(item->submenu, classh); |
a7732690 |
605 | } |
606 | } |
607 | |
85003546 |
608 | /* try to grab pointer, we may have to wait for another process to ungrab */ |
609 | static void |
610 | grabpointer(void) |
611 | { |
612 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; |
613 | int i; |
614 | |
615 | for (i = 0; i < 1000; i++) { |
616 | if (XGrabPointer(dpy, rootwin, True, ButtonPressMask, |
617 | GrabModeAsync, GrabModeAsync, None, |
618 | None, CurrentTime) == GrabSuccess) |
619 | return; |
620 | nanosleep(&ts, NULL); |
621 | } |
622 | errx(1, "cannot grab keyboard"); |
623 | } |
624 | |
625 | /* try to grab keyboard, we may have to wait for another process to ungrab */ |
626 | static void |
627 | grabkeyboard(void) |
628 | { |
629 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; |
630 | int i; |
631 | |
632 | for (i = 0; i < 1000; i++) { |
633 | if (XGrabKeyboard(dpy, rootwin, True, GrabModeAsync, |
634 | GrabModeAsync, CurrentTime) == GrabSuccess) |
635 | return; |
636 | nanosleep(&ts, NULL); |
637 | } |
638 | errx(1, "cannot grab keyboard"); |
639 | } |
640 | |
257e42cc |
641 | /* umap previous menus and map current menu and its parents */ |
a7732690 |
642 | static void |
257e42cc |
643 | mapmenu(struct Menu *currmenu) |
a7732690 |
644 | { |
257e42cc |
645 | static struct Menu *prevmenu = NULL; |
d8a7caf2 |
646 | struct Menu *menu, *menu_; |
d8a7caf2 |
647 | struct Menu *lcamenu; /* lowest common ancestor menu */ |
648 | unsigned minlevel; /* level of the closest to root menu */ |
649 | unsigned maxlevel; /* level of the closest to root menu */ |
a7732690 |
650 | |
257e42cc |
651 | /* do not remap current menu if it wasn't updated*/ |
652 | if (prevmenu == currmenu) |
a7732690 |
653 | return; |
654 | |
257e42cc |
655 | /* if this is the first time mapping, skip calculations */ |
656 | if (prevmenu == NULL) { |
fd530f3f |
657 | XMapWindow(dpy, currmenu->win); |
cdc4d51f |
658 | prevmenu = currmenu; |
659 | return; |
27443900 |
660 | } |
661 | |
d8a7caf2 |
662 | /* find lowest common ancestor menu */ |
257e42cc |
663 | minlevel = MIN(currmenu->level, prevmenu->level); |
664 | maxlevel = MAX(currmenu->level, prevmenu->level); |
665 | if (currmenu->level == maxlevel) { |
27443900 |
666 | menu = currmenu; |
257e42cc |
667 | menu_ = prevmenu; |
668 | } else { |
669 | menu = prevmenu; |
670 | menu_ = currmenu; |
27443900 |
671 | } |
672 | while (menu->level > minlevel) |
673 | menu = menu->parent; |
674 | while (menu != menu_) { |
675 | menu = menu->parent; |
676 | menu_ = menu_->parent; |
d8a7caf2 |
677 | } |
27443900 |
678 | lcamenu = menu; |
d8a7caf2 |
679 | |
873c080c |
680 | /* unmap menus from currmenu (inclusive) until lcamenu (exclusive) */ |
257e42cc |
681 | for (menu = prevmenu; menu != lcamenu; menu = menu->parent) { |
8455c369 |
682 | menu->selected = NULL; |
a7732690 |
683 | XUnmapWindow(dpy, menu->win); |
684 | } |
685 | |
873c080c |
686 | /* map menus from currmenu (inclusive) until lcamenu (exclusive) */ |
d8a7caf2 |
687 | for (menu = currmenu; menu != lcamenu; menu = menu->parent) { |
3bec05ea |
688 | |
689 | if (wflag) { |
8902c43b |
690 | setupmenupos(menu); |
3bec05ea |
691 | XMoveWindow(dpy, menu->win, menu->x, menu->y); |
692 | } |
693 | |
a7732690 |
694 | XMapWindow(dpy, menu->win); |
fd530f3f |
695 | } |
257e42cc |
696 | |
257e42cc |
697 | prevmenu = currmenu; |
fd530f3f |
698 | } |
699 | |
700 | /* draw separator item */ |
701 | static void |
702 | drawseparator(struct Menu *menu, struct Item *item) |
703 | { |
6b5123e7 |
704 | int y; |
fd530f3f |
705 | |
6b5123e7 |
706 | y = item->y + item->h/2; |
fd530f3f |
707 | |
708 | XSetForeground(dpy, dc.gc, dc.separator.pixel); |
71b4db92 |
709 | XDrawLine(dpy, menu->pixmap, dc.gc, config.horzpadding, y, |
710 | menu->w - config.horzpadding, y); |
fd530f3f |
711 | } |
712 | |
713 | /* draw regular item */ |
714 | static void |
715 | drawitem(struct Menu *menu, struct Item *item, XftColor *color) |
716 | { |
717 | int x, y; |
718 | |
71b4db92 |
719 | x = config.horzpadding; |
720 | x += (iflag) ? 0 : config.horzpadding + config.iconsize; |
685ca30d |
721 | y = item->y + (item->h + dc.font->ascent) / 2; |
fd530f3f |
722 | XSetForeground(dpy, dc.gc, color[ColorFG].pixel); |
723 | XftDrawStringUtf8(menu->draw, &color[ColorFG], dc.font, |
585e3de1 |
724 | x, y, (XftChar8 *)item->label, item->labellen); |
fd530f3f |
725 | |
726 | /* draw triangle, if item contains a submenu */ |
727 | if (item->submenu != NULL) { |
71b4db92 |
728 | x = menu->w - config.triangle_width - config.horzpadding; |
8902c43b |
729 | y = item->y + (item->h - config.triangle_height + 1) / 2; |
fd530f3f |
730 | |
731 | XPoint triangle[] = { |
732 | {x, y}, |
8902c43b |
733 | {x + config.triangle_width, y + config.triangle_height/2}, |
734 | {x, y + config.triangle_height}, |
fd530f3f |
735 | {x, y} |
736 | }; |
737 | |
738 | XFillPolygon(dpy, menu->pixmap, dc.gc, triangle, LEN(triangle), |
739 | Convex, CoordModeOrigin); |
d888f2ca |
740 | } |
33376f54 |
741 | |
3bec05ea |
742 | /* draw icon */ |
71b4db92 |
743 | if (item->icon != NULL) { |
744 | x = config.horzpadding; |
8902c43b |
745 | y = item->y + config.iconpadding; |
33376f54 |
746 | imlib_context_set_drawable(menu->pixmap); |
3bec05ea |
747 | imlib_context_set_image(item->icon); |
33376f54 |
748 | imlib_render_image_on_drawable(x, y); |
749 | } |
a7732690 |
750 | } |
751 | |
752 | /* draw items of the current menu and of its ancestors */ |
753 | static void |
257e42cc |
754 | drawmenu(struct Menu *currmenu) |
a7732690 |
755 | { |
756 | struct Menu *menu; |
757 | struct Item *item; |
758 | |
759 | for (menu = currmenu; menu != NULL; menu = menu->parent) { |
a7732690 |
760 | for (item = menu->list; item != NULL; item = item->next) { |
dbeb9940 |
761 | XftColor *color; |
a7732690 |
762 | |
763 | /* determine item color */ |
fd530f3f |
764 | if (item == menu->selected && item->label != NULL) |
f644b8bc |
765 | color = dc.selected; |
a7732690 |
766 | else |
f644b8bc |
767 | color = dc.normal; |
768 | |
a7732690 |
769 | /* draw item box */ |
dbeb9940 |
770 | XSetForeground(dpy, dc.gc, color[ColorBG].pixel); |
f15fc339 |
771 | XFillRectangle(dpy, menu->pixmap, dc.gc, 0, item->y, |
f1583285 |
772 | menu->w, item->h); |
7fbd1c5e |
773 | |
fd530f3f |
774 | if (item->label == NULL) /* item is a separator */ |
775 | drawseparator(menu, item); |
776 | else /* item is a regular item */ |
777 | drawitem(menu, item, color); |
a7732690 |
778 | } |
fd530f3f |
779 | |
780 | XCopyArea(dpy, menu->pixmap, menu->win, dc.gc, 0, 0, |
781 | menu->w, menu->h, 0, 0); |
a7732690 |
782 | } |
783 | } |
784 | |
8902c43b |
785 | /* get menu of given window */ |
786 | static struct Menu * |
787 | getmenu(struct Menu *currmenu, Window win) |
788 | { |
789 | struct Menu *menu; |
790 | |
791 | for (menu = currmenu; menu != NULL; menu = menu->parent) |
792 | if (menu->win == win) |
793 | return menu; |
794 | |
795 | return NULL; |
796 | } |
797 | |
798 | /* get item of given menu and position */ |
799 | static struct Item * |
800 | getitem(struct Menu *menu, int y) |
801 | { |
802 | struct Item *item; |
803 | |
804 | if (menu == NULL) |
805 | return NULL; |
806 | |
807 | for (item = menu->list; item != NULL; item = item->next) |
808 | if (y >= item->y && y <= item->y + item->h) |
809 | return item; |
810 | |
811 | return NULL; |
812 | } |
813 | |
858338d9 |
814 | /* cycle through the items; non-zero direction is next, zero is prev */ |
815 | static struct Item * |
257e42cc |
816 | itemcycle(struct Menu *currmenu, int direction) |
858338d9 |
817 | { |
818 | struct Item *item; |
819 | struct Item *lastitem; |
820 | |
821 | item = NULL; |
822 | |
823 | if (direction == ITEMNEXT) { |
824 | if (currmenu->selected == NULL) |
825 | item = currmenu->list; |
826 | else if (currmenu->selected->next != NULL) |
827 | item = currmenu->selected->next; |
828 | |
829 | while (item != NULL && item->label == NULL) |
830 | item = item->next; |
831 | |
832 | if (item == NULL) |
833 | item = currmenu->list; |
834 | } else { |
835 | for (lastitem = currmenu->list; |
836 | lastitem != NULL && lastitem->next != NULL; |
837 | lastitem = lastitem->next) |
838 | ; |
839 | |
840 | if (currmenu->selected == NULL) |
841 | item = lastitem; |
842 | else if (currmenu->selected->prev != NULL) |
843 | item = currmenu->selected->prev; |
844 | |
845 | while (item != NULL && item->label == NULL) |
846 | item = item->prev; |
847 | |
848 | if (item == NULL) |
849 | item = lastitem; |
850 | } |
851 | |
852 | return item; |
853 | } |
854 | |
a7732690 |
855 | /* run event loop */ |
856 | static void |
257e42cc |
857 | run(struct Menu *currmenu) |
a7732690 |
858 | { |
859 | struct Menu *menu; |
860 | struct Item *item; |
861 | struct Item *previtem = NULL; |
858338d9 |
862 | KeySym ksym; |
a7732690 |
863 | XEvent ev; |
864 | |
257e42cc |
865 | mapmenu(currmenu); |
fd530f3f |
866 | |
a7732690 |
867 | while (!XNextEvent(dpy, &ev)) { |
868 | switch(ev.type) { |
869 | case Expose: |
858338d9 |
870 | if (ev.xexpose.count == 0) |
257e42cc |
871 | drawmenu(currmenu); |
a7732690 |
872 | break; |
873 | case MotionNotify: |
257e42cc |
874 | menu = getmenu(currmenu, ev.xbutton.window); |
0c1a7864 |
875 | item = getitem(menu, ev.xbutton.y); |
c6d9174e |
876 | if (menu == NULL || item == NULL || previtem == item) |
fd530f3f |
877 | break; |
c6d9174e |
878 | previtem = item; |
879 | menu->selected = item; |
880 | if (item->submenu != NULL) { |
881 | currmenu = item->submenu; |
882 | currmenu->selected = NULL; |
883 | } else { |
884 | currmenu = menu; |
a7732690 |
885 | } |
c6d9174e |
886 | mapmenu(currmenu); |
887 | drawmenu(currmenu); |
a7732690 |
888 | break; |
889 | case ButtonRelease: |
257e42cc |
890 | menu = getmenu(currmenu, ev.xbutton.window); |
0c1a7864 |
891 | item = getitem(menu, ev.xbutton.y); |
fd530f3f |
892 | if (menu == NULL || item == NULL) |
858338d9 |
893 | break; |
fd530f3f |
894 | selectitem: |
895 | if (item->label == NULL) |
896 | break; /* ignore separators */ |
897 | if (item->submenu != NULL) { |
257e42cc |
898 | currmenu = item->submenu; |
a7732690 |
899 | } else { |
fd530f3f |
900 | printf("%s\n", item->output); |
08f16589 |
901 | return; |
a7732690 |
902 | } |
257e42cc |
903 | mapmenu(currmenu); |
fd530f3f |
904 | currmenu->selected = currmenu->list; |
257e42cc |
905 | drawmenu(currmenu); |
fd530f3f |
906 | break; |
858338d9 |
907 | case ButtonPress: |
257e42cc |
908 | menu = getmenu(currmenu, ev.xbutton.window); |
0c1a7864 |
909 | if (menu == NULL) |
858338d9 |
910 | return; |
911 | break; |
912 | case KeyPress: |
913 | ksym = XkbKeycodeToKeysym(dpy, ev.xkey.keycode, 0, 0); |
914 | |
0c1a7864 |
915 | /* esc closes xmenu when current menu is the root menu */ |
257e42cc |
916 | if (ksym == XK_Escape && currmenu->parent == NULL) |
858338d9 |
917 | return; |
918 | |
919 | /* Shift-Tab = ISO_Left_Tab */ |
920 | if (ksym == XK_Tab && (ev.xkey.state & ShiftMask)) |
921 | ksym = XK_ISO_Left_Tab; |
922 | |
923 | /* cycle through menu */ |
924 | item = NULL; |
925 | if (ksym == XK_ISO_Left_Tab || ksym == XK_Up) { |
257e42cc |
926 | item = itemcycle(currmenu, ITEMPREV); |
858338d9 |
927 | } else if (ksym == XK_Tab || ksym == XK_Down) { |
257e42cc |
928 | item = itemcycle(currmenu, ITEMNEXT); |
858338d9 |
929 | } else if ((ksym == XK_Return || ksym == XK_Right) && |
930 | currmenu->selected != NULL) { |
931 | item = currmenu->selected; |
932 | goto selectitem; |
933 | } else if ((ksym == XK_Escape || ksym == XK_Left) && |
934 | currmenu->parent != NULL) { |
935 | item = currmenu->parent->selected; |
257e42cc |
936 | currmenu = currmenu->parent; |
937 | mapmenu(currmenu); |
858338d9 |
938 | } else |
939 | break; |
940 | currmenu->selected = item; |
257e42cc |
941 | drawmenu(currmenu); |
a7732690 |
942 | break; |
f15fc339 |
943 | case LeaveNotify: |
fd530f3f |
944 | previtem = NULL; |
f15fc339 |
945 | currmenu->selected = NULL; |
257e42cc |
946 | drawmenu(currmenu); |
f15fc339 |
947 | break; |
3bec05ea |
948 | case ConfigureNotify: |
949 | menu = getmenu(currmenu, ev.xconfigure.window); |
950 | if (menu == NULL) |
951 | break; |
952 | menu->x = ev.xconfigure.x; |
953 | menu->y = ev.xconfigure.y; |
954 | break; |
955 | case ClientMessage: |
8902c43b |
956 | if ((unsigned long) ev.xclient.data.l[0] != wmdelete) |
957 | break; |
3bec05ea |
958 | /* user closed window */ |
959 | menu = getmenu(currmenu, ev.xclient.window); |
960 | if (menu->parent == NULL) |
961 | return; /* closing the root menu closes the program */ |
962 | currmenu = menu->parent; |
963 | mapmenu(currmenu); |
964 | break; |
a7732690 |
965 | } |
966 | } |
967 | } |
968 | |
fd530f3f |
969 | /* recursivelly free pixmaps and destroy windows */ |
f15fc339 |
970 | static void |
8902c43b |
971 | cleanmenu(struct Menu *menu) |
f15fc339 |
972 | { |
973 | struct Item *item; |
ec4ed1ac |
974 | struct Item *tmp; |
f15fc339 |
975 | |
ec4ed1ac |
976 | item = menu->list; |
977 | while (item != NULL) { |
f15fc339 |
978 | if (item->submenu != NULL) |
8902c43b |
979 | cleanmenu(item->submenu); |
ec4ed1ac |
980 | tmp = item; |
15dfafdf |
981 | if (tmp->label != tmp->output) |
982 | free(tmp->label); |
6b5123e7 |
983 | free(tmp->output); |
33376f54 |
984 | if (tmp->file != NULL) { |
985 | free(tmp->file); |
3bec05ea |
986 | if (tmp->icon != NULL) { |
987 | imlib_context_set_image(tmp->icon); |
33376f54 |
988 | imlib_free_image(); |
989 | } |
990 | } |
991 | item = item->next; |
ec4ed1ac |
992 | free(tmp); |
993 | } |
f15fc339 |
994 | |
995 | XFreePixmap(dpy, menu->pixmap); |
dbeb9940 |
996 | XftDrawDestroy(menu->draw); |
f15fc339 |
997 | XDestroyWindow(dpy, menu->win); |
ec4ed1ac |
998 | free(menu); |
f15fc339 |
999 | } |
1000 | |
8902c43b |
1001 | /* cleanup X and exit */ |
a7732690 |
1002 | static void |
15dfafdf |
1003 | cleanup(void) |
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1004 | { |
257e42cc |
1005 | XUngrabPointer(dpy, CurrentTime); |
1006 | XUngrabKeyboard(dpy, CurrentTime); |
1007 | |
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1008 | XftColorFree(dpy, visual, colormap, &dc.normal[ColorBG]); |
1009 | XftColorFree(dpy, visual, colormap, &dc.normal[ColorFG]); |
1010 | XftColorFree(dpy, visual, colormap, &dc.selected[ColorBG]); |
1011 | XftColorFree(dpy, visual, colormap, &dc.selected[ColorFG]); |
fd530f3f |
1012 | XftColorFree(dpy, visual, colormap, &dc.separator); |
1013 | XftColorFree(dpy, visual, colormap, &dc.border); |
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1014 | |
f15fc339 |
1015 | XFreeGC(dpy, dc.gc); |
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1016 | XCloseDisplay(dpy); |
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1017 | } |
1018 | |
1019 | /* show usage */ |
1020 | static void |
1021 | usage(void) |
1022 | { |
71b4db92 |
1023 | (void)fprintf(stderr, "usage: xmenu [-iw] [title]\n"); |
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1024 | exit(1); |
1025 | } |