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