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1 | #include <ctype.h> |
a7732690 |
2 | #include <err.h> |
05cfe1a0 |
3 | #include <errno.h> |
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4 | #include <stdio.h> |
5 | #include <stdlib.h> |
6 | #include <string.h> |
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7 | #include <limits.h> |
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8 | #include <time.h> |
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9 | #include <unistd.h> |
10 | #include <X11/Xlib.h> |
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11 | #include <X11/Xatom.h> |
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12 | #include <X11/Xutil.h> |
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13 | #include <X11/Xresource.h> |
858338d9 |
14 | #include <X11/XKBlib.h> |
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15 | #include <X11/Xft/Xft.h> |
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16 | #include <X11/extensions/Xinerama.h> |
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17 | #include <Imlib2.h> |
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18 | #include "xmenu.h" |
858338d9 |
19 | |
8902c43b |
20 | /* |
21 | * Function declarations |
22 | */ |
23 | |
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24 | /* argument parser */ |
237da982 |
25 | static void parseposition(char *optarg); |
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26 | |
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27 | /* initializers, and their helper routines */ |
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28 | static void parsefonts(const char *s); |
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29 | static void ealloccolor(const char *s, XftColor *color); |
237da982 |
30 | static void initmonitor(void); |
8902c43b |
31 | static void initresources(void); |
32 | static void initdc(void); |
b6cf4847 |
33 | static void initiconsize(void); |
8902c43b |
34 | static void initatoms(void); |
35 | |
36 | /* structure builders, and their helper routines */ |
33376f54 |
37 | static struct Item *allocitem(const char *label, const char *output, char *file); |
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38 | static struct Menu *allocmenu(struct Menu *parent, struct Item *list, unsigned level); |
33376f54 |
39 | static struct Menu *buildmenutree(unsigned level, const char *label, const char *output, char *file); |
257e42cc |
40 | static struct Menu *parsestdin(void); |
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41 | |
3d853664 |
42 | /* text drawer, and its helper routine */ |
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43 | static FcChar32 getnextutf8char(const char *s, const char **end_ret); |
f8d55995 |
44 | static XftFont *getfontucode(FcChar32 ucode); |
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45 | static int drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text); |
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46 | |
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47 | /* structure setters, and their helper routines */ |
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48 | static void setupitems(struct Menu *menu); |
8902c43b |
49 | static void setupmenupos(struct Menu *menu); |
50 | static void setupmenu(struct Menu *menu, XClassHint *classh); |
51 | |
52 | /* grabbers */ |
85003546 |
53 | static void grabpointer(void); |
54 | static void grabkeyboard(void); |
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55 | |
3d853664 |
56 | /* item drawer, and its helper routine */ |
57 | static Imlib_Image loadicon(const char *file); |
58 | static void drawitems(struct Menu *menu); |
59 | |
60 | /* menu drawers and mappers */ |
61 | static void drawmenus(struct Menu *currmenu); |
257e42cc |
62 | static void mapmenu(struct Menu *currmenu); |
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63 | |
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64 | /* getters */ |
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65 | static struct Menu *getmenu(struct Menu *currmenu, Window win); |
66 | static struct Item *getitem(struct Menu *menu, int y); |
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67 | |
68 | /* cycle through items */ |
257e42cc |
69 | static struct Item *itemcycle(struct Menu *currmenu, int direction); |
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70 | |
71 | /* main event loop */ |
257e42cc |
72 | static void run(struct Menu *currmenu); |
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73 | |
74 | /* cleaners */ |
75 | static void cleanmenu(struct Menu *menu); |
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76 | static void cleanup(void); |
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77 | |
78 | /* show usage */ |
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79 | static void usage(void); |
80 | |
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81 | |
82 | /* |
83 | * Variable declarations |
84 | */ |
85 | |
738ed9d5 |
86 | /* X stuff */ |
a7732690 |
87 | static Display *dpy; |
c6d9174e |
88 | static int screen; |
dbeb9940 |
89 | static Visual *visual; |
a7732690 |
90 | static Window rootwin; |
c6d9174e |
91 | static Colormap colormap; |
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92 | static struct DC dc; |
237da982 |
93 | static struct Monitor mon; |
8902c43b |
94 | static Atom utf8string; |
3bec05ea |
95 | static Atom wmdelete; |
8902c43b |
96 | static Atom netatom[NetLast]; |
3bec05ea |
97 | |
98 | /* flags */ |
71b4db92 |
99 | static int iflag = 0; /* whether to disable icons */ |
237da982 |
100 | static int mflag = 0; /* whether the user specified a monitor with -p */ |
101 | static int pflag = 0; /* whether the user specified a position with -p */ |
05cfe1a0 |
102 | static int wflag = 0; /* whether to let the window manager control XMenu */ |
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103 | |
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104 | /* include config variable */ |
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105 | #include "config.h" |
106 | |
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107 | |
108 | /* |
109 | * Function implementations |
110 | */ |
111 | |
beae67a6 |
112 | /* xmenu: generate menu from stdin and print selected entry to stdout */ |
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113 | int |
114 | main(int argc, char *argv[]) |
115 | { |
257e42cc |
116 | struct Menu *rootmenu; |
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117 | XClassHint classh; |
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118 | int ch; |
119 | |
a48473fd |
120 | while ((ch = getopt(argc, argv, "ip:w")) != -1) { |
a7732690 |
121 | switch (ch) { |
71b4db92 |
122 | case 'i': |
123 | iflag = 1; |
124 | break; |
05cfe1a0 |
125 | case 'p': |
126 | pflag = 1; |
127 | parseposition(optarg); |
05cfe1a0 |
128 | break; |
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129 | case 'w': |
130 | wflag = 1; |
131 | break; |
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132 | default: |
133 | usage(); |
134 | break; |
135 | } |
136 | } |
137 | argc -= optind; |
138 | argv += optind; |
139 | |
3bec05ea |
140 | if (argc > 1) |
c6d9174e |
141 | usage(); |
142 | |
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143 | /* open connection to server and set X variables */ |
144 | if ((dpy = XOpenDisplay(NULL)) == NULL) |
145 | errx(1, "cannot open display"); |
146 | screen = DefaultScreen(dpy); |
dbeb9940 |
147 | visual = DefaultVisual(dpy, screen); |
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148 | rootwin = RootWindow(dpy, screen); |
149 | colormap = DefaultColormap(dpy, screen); |
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150 | |
33376f54 |
151 | /* imlib2 stuff */ |
71b4db92 |
152 | if (!iflag) { |
153 | imlib_set_cache_size(2048 * 1024); |
154 | imlib_context_set_dither(1); |
155 | imlib_context_set_display(dpy); |
156 | imlib_context_set_visual(visual); |
157 | imlib_context_set_colormap(colormap); |
158 | } |
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159 | |
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160 | /* initializers */ |
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161 | initmonitor(); |
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162 | initresources(); |
163 | initdc(); |
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164 | initiconsize(); |
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165 | initatoms(); |
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166 | |
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167 | /* set window class */ |
168 | classh.res_class = PROGNAME; |
169 | if (argc == 1) |
170 | classh.res_name = *argv; |
171 | else |
172 | classh.res_name = PROGNAME; |
173 | |
f8ffe0b2 |
174 | /* generate menus and set them up */ |
257e42cc |
175 | rootmenu = parsestdin(); |
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176 | if (rootmenu == NULL) |
177 | errx(1, "no menu generated"); |
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178 | setupmenu(rootmenu, &classh); |
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179 | |
465d07db |
180 | /* grab mouse and keyboard */ |
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181 | if (!wflag) { |
182 | grabpointer(); |
183 | grabkeyboard(); |
184 | } |
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185 | |
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186 | /* run event loop */ |
257e42cc |
187 | run(rootmenu); |
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188 | |
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189 | /* freeing stuff */ |
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190 | cleanmenu(rootmenu); |
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191 | cleanup(); |
192 | |
21a9aaec |
193 | return 0; |
194 | } |
195 | |
237da982 |
196 | /* parse position string from -p, |
197 | * put results on config.posx, config.posy, and config.monitor */ |
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198 | static void |
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199 | parseposition(char *optarg) |
05cfe1a0 |
200 | { |
201 | long n; |
237da982 |
202 | char *s = optarg; |
05cfe1a0 |
203 | char *endp; |
204 | |
205 | n = strtol(s, &endp, 10); |
206 | if (errno == ERANGE || n > INT_MAX || n < 0 || endp == s || *endp != 'x') |
207 | goto error; |
208 | config.posx = n; |
209 | s = endp+1; |
210 | n = strtol(s, &endp, 10); |
237da982 |
211 | if (errno == ERANGE || n > INT_MAX || n < 0 || endp == s) |
05cfe1a0 |
212 | goto error; |
213 | config.posy = n; |
237da982 |
214 | if (*endp == ':') { |
215 | s = endp+1; |
216 | mflag = 1; |
217 | if (strncasecmp(s, "CUR", 3) == 0) { |
218 | config.monitor = -1; |
219 | endp = s+3; |
220 | } else { |
221 | n = strtol(s, &endp, 10); |
222 | if (errno == ERANGE || n > INT_MAX || n < 0 || endp == s || *endp != '\0') |
223 | goto error; |
224 | config.monitor = n; |
225 | } |
226 | } else if (*endp != '\0') { |
227 | goto error; |
228 | } |
05cfe1a0 |
229 | |
230 | return; |
231 | |
232 | error: |
233 | errx(1, "improper position: %s", optarg); |
234 | } |
235 | |
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236 | /* parse color string */ |
237 | static void |
238 | parsefonts(const char *s) |
239 | { |
240 | const char *p; |
241 | char buf[1024]; |
242 | size_t nfont = 0; |
243 | |
244 | dc.nfonts = 1; |
245 | for (p = s; *p; p++) |
246 | if (*p == ',') |
247 | dc.nfonts++; |
248 | |
249 | if ((dc.fonts = calloc(dc.nfonts, sizeof *dc.fonts)) == NULL) |
250 | err(1, "calloc"); |
251 | |
252 | p = s; |
253 | while (*p != '\0') { |
254 | size_t i; |
255 | |
256 | i = 0; |
257 | while (isspace(*p)) |
258 | p++; |
6d56f279 |
259 | while (i < sizeof buf && *p != '\0' && *p != ',') { |
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260 | buf[i++] = *p++; |
261 | } |
6d56f279 |
262 | if (i >= sizeof buf) |
263 | errx(1, "font name too long"); |
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264 | if (*p == ',') |
265 | p++; |
266 | buf[i] = '\0'; |
6d56f279 |
267 | if (nfont == 0) |
268 | if ((dc.pattern = FcNameParse((FcChar8 *)buf)) == NULL) |
269 | errx(1, "the first font in the cache must be loaded from a font string"); |
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270 | if ((dc.fonts[nfont++] = XftFontOpenName(dpy, screen, buf)) == NULL) |
271 | errx(1, "cannot load font"); |
272 | } |
273 | } |
274 | |
8902c43b |
275 | /* get color from color string */ |
276 | static void |
277 | ealloccolor(const char *s, XftColor *color) |
278 | { |
279 | if(!XftColorAllocName(dpy, visual, colormap, s, color)) |
280 | errx(1, "cannot allocate color: %s", s); |
281 | } |
282 | |
237da982 |
283 | /* query monitor information and cursor position */ |
284 | static void |
285 | initmonitor(void) |
286 | { |
287 | XineramaScreenInfo *info = NULL; |
288 | Window dw; /* dummy variable */ |
289 | int di; /* dummy variable */ |
290 | unsigned du; /* dummy variable */ |
291 | int cursx, cursy; /* cursor position */ |
292 | int nmons; |
293 | int i; |
294 | |
295 | XQueryPointer(dpy, rootwin, &dw, &dw, &cursx, &cursy, &di, &di, &du); |
296 | |
297 | mon.x = mon.y = 0; |
298 | mon.w = DisplayWidth(dpy, screen); |
299 | mon.h = DisplayHeight(dpy, screen); |
300 | |
301 | if ((info = XineramaQueryScreens(dpy, &nmons)) != NULL) { |
302 | int selmon = 0; |
303 | |
304 | if (!mflag || (mflag && (config.monitor < 0 || config.monitor >= nmons))) { |
305 | for (i = 0; i < nmons; i++) { |
d2304ecf |
306 | if (BETWEEN(cursx, info[i].x_org, info[i].x_org + info[i].width) && |
307 | BETWEEN(cursy, info[i].y_org, info[i].y_org + info[i].height)) { |
237da982 |
308 | selmon = i; |
309 | break; |
310 | } |
311 | } |
312 | } else { |
313 | selmon = config.monitor; |
314 | } |
315 | |
316 | mon.x = info[selmon].x_org; |
317 | mon.y = info[selmon].y_org; |
318 | mon.w = info[selmon].width; |
319 | mon.h = info[selmon].height; |
320 | } |
321 | |
322 | if (!pflag) { |
323 | config.posx = cursx; |
324 | config.posy = cursy; |
325 | } else if (mflag) { |
326 | config.posx += mon.x; |
327 | config.posy += mon.y; |
328 | } |
329 | } |
330 | |
f644b8bc |
331 | /* read xrdb for configuration options */ |
332 | static void |
8902c43b |
333 | initresources(void) |
f644b8bc |
334 | { |
335 | char *xrm; |
336 | long n; |
fd530f3f |
337 | char *type; |
338 | XrmDatabase xdb; |
339 | XrmValue xval; |
f644b8bc |
340 | |
341 | XrmInitialize(); |
fd530f3f |
342 | if ((xrm = XResourceManagerString(dpy)) == NULL) |
343 | return; |
344 | |
345 | xdb = XrmGetStringDatabase(xrm); |
346 | |
347 | if (XrmGetResource(xdb, "xmenu.borderWidth", "*", &type, &xval) == True) |
348 | if ((n = strtol(xval.addr, NULL, 10)) > 0) |
8902c43b |
349 | config.border_pixels = n; |
fd530f3f |
350 | if (XrmGetResource(xdb, "xmenu.separatorWidth", "*", &type, &xval) == True) |
351 | if ((n = strtol(xval.addr, NULL, 10)) > 0) |
8902c43b |
352 | config.separator_pixels = n; |
685ca30d |
353 | if (XrmGetResource(xdb, "xmenu.height", "*", &type, &xval) == True) |
fd530f3f |
354 | if ((n = strtol(xval.addr, NULL, 10)) > 0) |
8902c43b |
355 | config.height_pixels = n; |
fd530f3f |
356 | if (XrmGetResource(xdb, "xmenu.width", "*", &type, &xval) == True) |
357 | if ((n = strtol(xval.addr, NULL, 10)) > 0) |
8902c43b |
358 | config.width_pixels = n; |
eecf9b25 |
359 | if (XrmGetResource(xdb, "xmenu.gap", "*", &type, &xval) == True) |
360 | if ((n = strtol(xval.addr, NULL, 10)) > 0) |
361 | config.gap_pixels = n; |
fd530f3f |
362 | if (XrmGetResource(xdb, "xmenu.background", "*", &type, &xval) == True) |
8902c43b |
363 | config.background_color = strdup(xval.addr); |
fd530f3f |
364 | if (XrmGetResource(xdb, "xmenu.foreground", "*", &type, &xval) == True) |
8902c43b |
365 | config.foreground_color = strdup(xval.addr); |
fd530f3f |
366 | if (XrmGetResource(xdb, "xmenu.selbackground", "*", &type, &xval) == True) |
8902c43b |
367 | config.selbackground_color = strdup(xval.addr); |
fd530f3f |
368 | if (XrmGetResource(xdb, "xmenu.selforeground", "*", &type, &xval) == True) |
8902c43b |
369 | config.selforeground_color = strdup(xval.addr); |
fd530f3f |
370 | if (XrmGetResource(xdb, "xmenu.separator", "*", &type, &xval) == True) |
8902c43b |
371 | config.separator_color = strdup(xval.addr); |
fd530f3f |
372 | if (XrmGetResource(xdb, "xmenu.border", "*", &type, &xval) == True) |
8902c43b |
373 | config.border_color = strdup(xval.addr); |
fd530f3f |
374 | if (XrmGetResource(xdb, "xmenu.font", "*", &type, &xval) == True) |
8902c43b |
375 | config.font = strdup(xval.addr); |
fd530f3f |
376 | |
377 | XrmDestroyDatabase(xdb); |
f644b8bc |
378 | } |
379 | |
a7732690 |
380 | /* init draw context */ |
381 | static void |
8902c43b |
382 | initdc(void) |
a7732690 |
383 | { |
384 | /* get color pixels */ |
8902c43b |
385 | ealloccolor(config.background_color, &dc.normal[ColorBG]); |
386 | ealloccolor(config.foreground_color, &dc.normal[ColorFG]); |
387 | ealloccolor(config.selbackground_color, &dc.selected[ColorBG]); |
388 | ealloccolor(config.selforeground_color, &dc.selected[ColorFG]); |
389 | ealloccolor(config.separator_color, &dc.separator); |
390 | ealloccolor(config.border_color, &dc.border); |
a7732690 |
391 | |
cdeaefaa |
392 | /* parse fonts */ |
393 | parsefonts(config.font); |
a7732690 |
394 | |
fd530f3f |
395 | /* create common GC */ |
a7732690 |
396 | dc.gc = XCreateGC(dpy, rootwin, 0, NULL); |
a7732690 |
397 | } |
398 | |
b6cf4847 |
399 | /* calculate icon size */ |
a7732690 |
400 | static void |
b6cf4847 |
401 | initiconsize(void) |
a7732690 |
402 | { |
71b4db92 |
403 | config.iconsize = config.height_pixels - config.iconpadding * 2; |
8902c43b |
404 | } |
405 | |
406 | /* intern atoms */ |
407 | static void |
408 | initatoms(void) |
409 | { |
410 | utf8string = XInternAtom(dpy, "UTF8_STRING", False); |
411 | wmdelete = XInternAtom(dpy, "WM_DELETE_WINDOW", False); |
412 | netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); |
413 | netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False); |
414 | netatom[NetWMWindowTypePopupMenu] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_POPUP_MENU", False); |
a7732690 |
415 | } |
416 | |
a7732690 |
417 | /* allocate an item */ |
418 | static struct Item * |
33376f54 |
419 | allocitem(const char *label, const char *output, char *file) |
a7732690 |
420 | { |
421 | struct Item *item; |
422 | |
423 | if ((item = malloc(sizeof *item)) == NULL) |
424 | err(1, "malloc"); |
a5ddd2cd |
425 | if (label == NULL) { |
7fbd1c5e |
426 | item->label = NULL; |
427 | item->output = NULL; |
428 | } else { |
429 | if ((item->label = strdup(label)) == NULL) |
430 | err(1, "strdup"); |
15dfafdf |
431 | if (label == output) { |
432 | item->output = item->label; |
433 | } else { |
434 | if ((item->output = strdup(output)) == NULL) |
435 | err(1, "strdup"); |
436 | } |
7fbd1c5e |
437 | } |
33376f54 |
438 | if (file == NULL) { |
439 | item->file = NULL; |
440 | } else { |
441 | if ((item->file = strdup(file)) == NULL) |
442 | err(1, "strdup"); |
443 | } |
a80fee22 |
444 | item->y = 0; |
beae67a6 |
445 | item->h = 0; |
a7732690 |
446 | item->next = NULL; |
447 | item->submenu = NULL; |
3bec05ea |
448 | item->icon = NULL; |
a7732690 |
449 | |
450 | return item; |
451 | } |
452 | |
a3a73837 |
453 | /* allocate a menu and create its window */ |
a7732690 |
454 | static struct Menu * |
455 | allocmenu(struct Menu *parent, struct Item *list, unsigned level) |
456 | { |
457 | XSetWindowAttributes swa; |
458 | struct Menu *menu; |
459 | |
460 | if ((menu = malloc(sizeof *menu)) == NULL) |
461 | err(1, "malloc"); |
462 | menu->parent = parent; |
463 | menu->list = list; |
d888f2ca |
464 | menu->caller = NULL; |
a7732690 |
465 | menu->selected = NULL; |
d2304ecf |
466 | menu->w = 0; /* recalculated by setupmenu() */ |
467 | menu->h = 0; /* recalculated by setupmenu() */ |
468 | menu->x = mon.x; /* recalculated by setupmenu() */ |
469 | menu->y = mon.y; /* recalculated by setupmenu() */ |
a7732690 |
470 | menu->level = level; |
3d853664 |
471 | menu->drawn = 0; |
a2ff706d |
472 | menu->hasicon = 0; |
a7732690 |
473 | |
3bec05ea |
474 | swa.override_redirect = (wflag) ? False : True; |
fd530f3f |
475 | swa.background_pixel = dc.normal[ColorBG].pixel; |
476 | swa.border_pixel = dc.border.pixel; |
477 | swa.save_under = True; /* pop-up windows should save_under*/ |
a7732690 |
478 | swa.event_mask = ExposureMask | KeyPressMask | ButtonPressMask | ButtonReleaseMask |
f15fc339 |
479 | | PointerMotionMask | LeaveWindowMask; |
3bec05ea |
480 | if (wflag) |
481 | swa.event_mask |= StructureNotifyMask; |
beae67a6 |
482 | menu->win = XCreateWindow(dpy, rootwin, 0, 0, 1, 1, 0, |
a7732690 |
483 | CopyFromParent, CopyFromParent, CopyFromParent, |
fd530f3f |
484 | CWOverrideRedirect | CWBackPixel | |
485 | CWBorderPixel | CWEventMask | CWSaveUnder, |
a7732690 |
486 | &swa); |
487 | |
488 | return menu; |
489 | } |
490 | |
a5ddd2cd |
491 | /* build the menu tree */ |
492 | static struct Menu * |
33376f54 |
493 | buildmenutree(unsigned level, const char *label, const char *output, char *file) |
a5ddd2cd |
494 | { |
495 | static struct Menu *prevmenu = NULL; /* menu the previous item was added to */ |
496 | static struct Menu *rootmenu = NULL; /* menu to be returned */ |
497 | struct Item *curritem = NULL; /* item currently being read */ |
498 | struct Item *item; /* dummy item for loops */ |
499 | struct Menu *menu; /* dummy menu for loops */ |
500 | unsigned i; |
501 | |
502 | /* create the item */ |
33376f54 |
503 | curritem = allocitem(label, output, file); |
a5ddd2cd |
504 | |
505 | /* put the item in the menu tree */ |
506 | if (prevmenu == NULL) { /* there is no menu yet */ |
685ca30d |
507 | menu = allocmenu(NULL, curritem, level); |
508 | rootmenu = menu; |
509 | prevmenu = menu; |
510 | curritem->prev = NULL; |
a5ddd2cd |
511 | } else if (level < prevmenu->level) { /* item is continuation of a parent menu */ |
512 | /* go up the menu tree until find the menu this item continues */ |
513 | for (menu = prevmenu, i = level; |
514 | menu != NULL && i != prevmenu->level; |
515 | menu = menu->parent, i++) |
516 | ; |
517 | if (menu == NULL) |
518 | errx(1, "reached NULL menu"); |
519 | |
520 | /* find last item in the new menu */ |
521 | for (item = menu->list; item->next != NULL; item = item->next) |
522 | ; |
523 | |
524 | prevmenu = menu; |
525 | item->next = curritem; |
526 | curritem->prev = item; |
527 | } else if (level == prevmenu->level) { /* item is a continuation of current menu */ |
528 | /* find last item in the previous menu */ |
529 | for (item = prevmenu->list; item->next != NULL; item = item->next) |
530 | ; |
531 | |
532 | item->next = curritem; |
533 | curritem->prev = item; |
534 | } else if (level > prevmenu->level) { /* item begins a new menu */ |
535 | menu = allocmenu(prevmenu, curritem, level); |
536 | |
537 | /* find last item in the previous menu */ |
538 | for (item = prevmenu->list; item->next != NULL; item = item->next) |
539 | ; |
540 | |
541 | prevmenu = menu; |
542 | menu->caller = item; |
543 | item->submenu = menu; |
544 | curritem->prev = NULL; |
545 | } |
546 | |
a2ff706d |
547 | if (curritem->file) |
548 | prevmenu->hasicon = 1; |
549 | |
a5ddd2cd |
550 | return rootmenu; |
551 | } |
552 | |
a7732690 |
553 | /* create menus and items from the stdin */ |
257e42cc |
554 | static struct Menu * |
a7732690 |
555 | parsestdin(void) |
556 | { |
a5ddd2cd |
557 | struct Menu *rootmenu; |
a7732690 |
558 | char *s, buf[BUFSIZ]; |
33376f54 |
559 | char *file, *label, *output; |
a7732690 |
560 | unsigned level = 0; |
257e42cc |
561 | |
ddb15acf |
562 | rootmenu = NULL; |
563 | |
a7732690 |
564 | while (fgets(buf, BUFSIZ, stdin) != NULL) { |
a5ddd2cd |
565 | /* get the indentation level */ |
566 | level = strspn(buf, "\t"); |
a7732690 |
567 | |
a5ddd2cd |
568 | /* get the label */ |
569 | s = level + buf; |
570 | label = strtok(s, "\t\n"); |
a7732690 |
571 | |
33376f54 |
572 | /* get the filename */ |
573 | file = NULL; |
574 | if (label != NULL && strncmp(label, "IMG:", 4) == 0) { |
575 | file = label + 4; |
576 | label = strtok(NULL, "\t\n"); |
577 | } |
578 | |
a5ddd2cd |
579 | /* get the output */ |
580 | output = strtok(NULL, "\n"); |
581 | if (output == NULL) { |
582 | output = label; |
583 | } else { |
584 | while (*output == '\t') |
585 | output++; |
a7732690 |
586 | } |
a5ddd2cd |
587 | |
33376f54 |
588 | rootmenu = buildmenutree(level, label, output, file); |
a7732690 |
589 | } |
a7732690 |
590 | |
257e42cc |
591 | return rootmenu; |
a7732690 |
592 | } |
593 | |
3d853664 |
594 | /* get next utf8 char from s return its codepoint and set next_ret to pointer to end of character */ |
cdeaefaa |
595 | static FcChar32 |
596 | getnextutf8char(const char *s, const char **next_ret) |
597 | { |
cdeaefaa |
598 | static const unsigned char utfbyte[] = {0x80, 0x00, 0xC0, 0xE0, 0xF0}; |
cdeaefaa |
599 | static const unsigned char utfmask[] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; |
cdeaefaa |
600 | static const FcChar32 utfmin[] = {0, 0x00, 0x80, 0x800, 0x10000}; |
601 | static const FcChar32 utfmax[] = {0, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; |
3d853664 |
602 | /* 0xFFFD is the replacement character, used to represent unknown characters */ |
cdeaefaa |
603 | static const FcChar32 unknown = 0xFFFD; |
604 | FcChar32 ucode; /* FcChar32 type holds 32 bits */ |
605 | size_t usize = 0; /* n' of bytes of the utf8 character */ |
606 | size_t i; |
607 | |
608 | *next_ret = s+1; |
609 | |
610 | /* get code of first byte of utf8 character */ |
611 | for (i = 0; i < sizeof utfmask; i++) { |
612 | if (((unsigned char)*s & utfmask[i]) == utfbyte[i]) { |
613 | usize = i; |
614 | ucode = (unsigned char)*s & ~utfmask[i]; |
615 | break; |
616 | } |
617 | } |
618 | |
619 | /* if first byte is a continuation byte or is not allowed, return unknown */ |
620 | if (i == sizeof utfmask || usize == 0) |
621 | return unknown; |
622 | |
623 | /* check the other usize-1 bytes */ |
624 | s++; |
625 | for (i = 1; i < usize; i++) { |
626 | *next_ret = s+1; |
237da982 |
627 | /* if byte is nul or is not a continuation byte, return unknown */ |
cdeaefaa |
628 | if (*s == '\0' || ((unsigned char)*s & utfmask[0]) != utfbyte[0]) |
629 | return unknown; |
630 | /* 6 is the number of relevant bits in the continuation byte */ |
631 | ucode = (ucode << 6) | ((unsigned char)*s & ~utfmask[0]); |
632 | s++; |
633 | } |
634 | |
635 | /* check if ucode is invalid or in utf-16 surrogate halves */ |
636 | if (!BETWEEN(ucode, utfmin[usize], utfmax[usize]) |
637 | || BETWEEN (ucode, 0xD800, 0xDFFF)) |
638 | return unknown; |
639 | |
640 | return ucode; |
641 | } |
642 | |
f8d55995 |
643 | /* get which font contains a given code point */ |
644 | static XftFont * |
645 | getfontucode(FcChar32 ucode) |
646 | { |
a48473fd |
647 | FcCharSet *fccharset = NULL; |
648 | FcPattern *fcpattern = NULL; |
649 | FcPattern *match = NULL; |
650 | XftFont *retfont = NULL; |
6d56f279 |
651 | XftResult result; |
f8d55995 |
652 | size_t i; |
653 | |
654 | for (i = 0; i < dc.nfonts; i++) |
655 | if (XftCharExists(dpy, dc.fonts[i], ucode) == FcTrue) |
656 | return dc.fonts[i]; |
6d56f279 |
657 | |
658 | /* create a charset containing our code point */ |
659 | fccharset = FcCharSetCreate(); |
660 | FcCharSetAddChar(fccharset, ucode); |
661 | |
a48473fd |
662 | /* create a pattern akin to the dc.pattern but containing our charset */ |
663 | if (fccharset) { |
664 | fcpattern = FcPatternDuplicate(dc.pattern); |
665 | FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset); |
666 | } |
6d56f279 |
667 | |
668 | /* find pattern matching fcpattern */ |
a48473fd |
669 | if (fcpattern) { |
670 | FcConfigSubstitute(NULL, fcpattern, FcMatchPattern); |
671 | FcDefaultSubstitute(fcpattern); |
672 | match = XftFontMatch(dpy, screen, fcpattern, &result); |
673 | } |
6d56f279 |
674 | |
675 | /* if found a pattern, open its font */ |
676 | if (match) { |
677 | retfont = XftFontOpenPattern(dpy, match); |
678 | if (retfont && XftCharExists(dpy, retfont, ucode) == FcTrue) { |
679 | if ((dc.fonts = realloc(dc.fonts, dc.nfonts+1)) == NULL) |
680 | err(1, "realloc"); |
a48473fd |
681 | dc.fonts[dc.nfonts] = retfont; |
682 | return dc.fonts[dc.nfonts++]; |
6d56f279 |
683 | } else { |
684 | XftFontClose(dpy, retfont); |
685 | } |
686 | } |
687 | |
688 | /* in case no fount was found, return the first one */ |
689 | return dc.fonts[0]; |
f8d55995 |
690 | } |
691 | |
692 | /* draw text into XftDraw, return width of text glyphs */ |
cdeaefaa |
693 | static int |
694 | drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text) |
695 | { |
f8d55995 |
696 | int textwidth = 0; |
cdeaefaa |
697 | |
f8d55995 |
698 | while (*text) { |
699 | XftFont *currfont; |
cdeaefaa |
700 | XGlyphInfo ext; |
f8d55995 |
701 | FcChar32 ucode; |
702 | const char *next; |
cdeaefaa |
703 | size_t len; |
cdeaefaa |
704 | |
f8d55995 |
705 | ucode = getnextutf8char(text, &next); |
6d56f279 |
706 | currfont = getfontucode(ucode); |
cdeaefaa |
707 | |
f8d55995 |
708 | len = next - text; |
f8d55995 |
709 | XftTextExtentsUtf8(dpy, currfont, (XftChar8 *)text, len, &ext); |
710 | textwidth += ext.xOff; |
cdeaefaa |
711 | |
712 | if (draw) { |
a48473fd |
713 | int texty; |
714 | |
715 | texty = y + (h - (currfont->ascent + currfont->descent))/2 + currfont->ascent; |
f8d55995 |
716 | XftDrawStringUtf8(draw, color, currfont, x, texty, (XftChar8 *)text, len); |
cdeaefaa |
717 | x += ext.xOff; |
718 | } |
719 | |
f8d55995 |
720 | text = next; |
cdeaefaa |
721 | } |
722 | |
f8d55995 |
723 | return textwidth; |
cdeaefaa |
724 | } |
725 | |
71b4db92 |
726 | /* setup the height, width and icon of the items of a menu */ |
a7732690 |
727 | static void |
71b4db92 |
728 | setupitems(struct Menu *menu) |
a7732690 |
729 | { |
a80fee22 |
730 | struct Item *item; |
a7732690 |
731 | |
8902c43b |
732 | menu->w = config.width_pixels; |
a80fee22 |
733 | for (item = menu->list; item != NULL; item = item->next) { |
15362de4 |
734 | int itemwidth; |
735 | int textwidth; |
736 | |
a80fee22 |
737 | item->y = menu->h; |
beae67a6 |
738 | |
7fbd1c5e |
739 | if (item->label == NULL) /* height for separator item */ |
8902c43b |
740 | item->h = config.separator_pixels; |
a80fee22 |
741 | else |
8902c43b |
742 | item->h = config.height_pixels; |
beae67a6 |
743 | menu->h += item->h; |
f1583285 |
744 | |
15362de4 |
745 | if (item->label) |
d2304ecf |
746 | textwidth = drawtext(NULL, NULL, 0, 0, 0, item->label); |
15362de4 |
747 | else |
748 | textwidth = 0; |
685ca30d |
749 | |
71b4db92 |
750 | /* |
751 | * set menu width |
752 | * |
15362de4 |
753 | * the item width depends on the size of its label (textwidth), |
71b4db92 |
754 | * and it is only used to calculate the width of the menu (which |
755 | * is equal to the width of the largest item). |
756 | * |
757 | * the horizontal padding appears 4 times through the width of a |
15362de4 |
758 | * item: before and after its icon, and before and after its triangle. |
71b4db92 |
759 | * if the iflag is set (icons are disabled) then the horizontal |
15362de4 |
760 | * padding appears 3 times: before the label and around the triangle. |
71b4db92 |
761 | */ |
15362de4 |
762 | itemwidth = textwidth + config.triangle_width + config.horzpadding * 3; |
a2ff706d |
763 | itemwidth += (iflag || !menu->hasicon) ? 0 : config.iconsize + config.horzpadding; |
71b4db92 |
764 | menu->w = MAX(menu->w, itemwidth); |
a80fee22 |
765 | } |
f8ffe0b2 |
766 | } |
767 | |
768 | /* setup the position of a menu */ |
769 | static void |
8902c43b |
770 | setupmenupos(struct Menu *menu) |
f8ffe0b2 |
771 | { |
772 | int width, height; |
a7732690 |
773 | |
8902c43b |
774 | width = menu->w + config.border_pixels * 2; |
775 | height = menu->h + config.border_pixels * 2; |
a7732690 |
776 | if (menu->parent == NULL) { /* if root menu, calculate in respect to cursor */ |
237da982 |
777 | if (pflag || (config.posx > mon.x && mon.x + mon.w - config.posx >= width)) |
05cfe1a0 |
778 | menu->x = config.posx; |
779 | else if (config.posx > width) |
780 | menu->x = config.posx - width; |
8902c43b |
781 | |
237da982 |
782 | if (pflag || (config.posy > mon.y && mon.y + mon.h - config.posy >= height)) |
05cfe1a0 |
783 | menu->y = config.posy; |
b6cf4847 |
784 | else if (mon.y + mon.h > height) |
237da982 |
785 | menu->y = mon.y + mon.h - height; |
a7732690 |
786 | } else { /* else, calculate in respect to parent menu */ |
237da982 |
787 | int parentwidth; |
788 | |
789 | parentwidth = menu->parent->x + menu->parent->w + config.border_pixels + config.gap_pixels; |
790 | |
791 | if (mon.x + mon.w - parentwidth >= width) |
792 | menu->x = parentwidth; |
8902c43b |
793 | else if (menu->parent->x > menu->w + config.border_pixels + config.gap_pixels) |
794 | menu->x = menu->parent->x - menu->w - config.border_pixels - config.gap_pixels; |
a7732690 |
795 | |
8e799bb4 |
796 | if (mon.y + mon.h - (menu->caller->y + menu->parent->y) >= height) |
8455c369 |
797 | menu->y = menu->caller->y + menu->parent->y; |
237da982 |
798 | else if (mon.y + mon.h > height) |
799 | menu->y = mon.y + mon.h - height; |
a7732690 |
800 | } |
f8ffe0b2 |
801 | } |
802 | |
803 | /* recursivelly setup menu configuration and its pixmap */ |
804 | static void |
8902c43b |
805 | setupmenu(struct Menu *menu, XClassHint *classh) |
f8ffe0b2 |
806 | { |
8902c43b |
807 | char *title; |
f8ffe0b2 |
808 | struct Item *item; |
f8ffe0b2 |
809 | XWindowChanges changes; |
810 | XSizeHints sizeh; |
3bec05ea |
811 | XTextProperty wintitle; |
f8ffe0b2 |
812 | |
813 | /* setup size and position of menus */ |
71b4db92 |
814 | setupitems(menu); |
8902c43b |
815 | setupmenupos(menu); |
a7732690 |
816 | |
817 | /* update menu geometry */ |
8902c43b |
818 | changes.border_width = config.border_pixels; |
a7732690 |
819 | changes.height = menu->h; |
f1583285 |
820 | changes.width = menu->w; |
a7732690 |
821 | changes.x = menu->x; |
822 | changes.y = menu->y; |
beae67a6 |
823 | XConfigureWindow(dpy, menu->win, CWBorderWidth | CWWidth | CWHeight | CWX | CWY, &changes); |
a7732690 |
824 | |
3bec05ea |
825 | /* set window title (used if wflag is on) */ |
826 | if (menu->parent == NULL) { |
8902c43b |
827 | title = classh->res_name; |
3bec05ea |
828 | } else { |
8902c43b |
829 | title = menu->caller->output; |
3bec05ea |
830 | } |
8902c43b |
831 | XStringListToTextProperty(&title, 1, &wintitle); |
3bec05ea |
832 | |
d2435fcd |
833 | /* set window manager hints */ |
c15958bd |
834 | sizeh.flags = USPosition | PMaxSize | PMinSize; |
09c13122 |
835 | sizeh.min_width = sizeh.max_width = menu->w; |
836 | sizeh.min_height = sizeh.max_height = menu->h; |
3bec05ea |
837 | XSetWMProperties(dpy, menu->win, &wintitle, NULL, NULL, 0, &sizeh, NULL, classh); |
09c13122 |
838 | |
a3a73837 |
839 | /* set WM protocols and ewmh window properties */ |
840 | XSetWMProtocols(dpy, menu->win, &wmdelete, 1); |
8902c43b |
841 | XChangeProperty(dpy, menu->win, netatom[NetWMName], utf8string, 8, |
a3a73837 |
842 | PropModeReplace, (unsigned char *)title, strlen(title)); |
8902c43b |
843 | XChangeProperty(dpy, menu->win, netatom[NetWMWindowType], XA_ATOM, 32, |
844 | PropModeReplace, |
845 | (unsigned char *)&netatom[NetWMWindowTypePopupMenu], 1); |
846 | |
a80fee22 |
847 | /* calculate positions of submenus */ |
a7732690 |
848 | for (item = menu->list; item != NULL; item = item->next) { |
849 | if (item->submenu != NULL) |
8902c43b |
850 | setupmenu(item->submenu, classh); |
a7732690 |
851 | } |
852 | } |
853 | |
85003546 |
854 | /* try to grab pointer, we may have to wait for another process to ungrab */ |
855 | static void |
856 | grabpointer(void) |
857 | { |
858 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; |
859 | int i; |
860 | |
861 | for (i = 0; i < 1000; i++) { |
862 | if (XGrabPointer(dpy, rootwin, True, ButtonPressMask, |
863 | GrabModeAsync, GrabModeAsync, None, |
864 | None, CurrentTime) == GrabSuccess) |
865 | return; |
866 | nanosleep(&ts, NULL); |
867 | } |
868 | errx(1, "cannot grab keyboard"); |
869 | } |
870 | |
871 | /* try to grab keyboard, we may have to wait for another process to ungrab */ |
872 | static void |
873 | grabkeyboard(void) |
874 | { |
875 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; |
876 | int i; |
877 | |
878 | for (i = 0; i < 1000; i++) { |
879 | if (XGrabKeyboard(dpy, rootwin, True, GrabModeAsync, |
880 | GrabModeAsync, CurrentTime) == GrabSuccess) |
881 | return; |
882 | nanosleep(&ts, NULL); |
883 | } |
884 | errx(1, "cannot grab keyboard"); |
885 | } |
886 | |
3d853664 |
887 | /* load and scale icon */ |
888 | static Imlib_Image |
889 | loadicon(const char *file) |
890 | { |
891 | Imlib_Image icon; |
892 | int width; |
893 | int height; |
894 | int imgsize; |
895 | |
896 | icon = imlib_load_image(file); |
897 | if (icon == NULL) |
898 | errx(1, "cannot load icon %s", file); |
899 | |
900 | imlib_context_set_image(icon); |
901 | |
902 | width = imlib_image_get_width(); |
903 | height = imlib_image_get_height(); |
904 | imgsize = MIN(width, height); |
905 | |
906 | icon = imlib_create_cropped_scaled_image(0, 0, imgsize, imgsize, |
907 | config.iconsize, |
908 | config.iconsize); |
909 | |
910 | return icon; |
911 | } |
912 | |
913 | /* draw pixmap for the selected and unselected version of each item on menu */ |
914 | static void |
915 | drawitems(struct Menu *menu) |
916 | { |
917 | struct Item *item; |
918 | |
919 | for (item = menu->list; item != NULL; item = item->next) { |
920 | XftDraw *dsel, *dunsel; |
921 | int x, y; |
922 | |
923 | item->unsel = XCreatePixmap(dpy, menu->win, menu->w, item->h, |
924 | DefaultDepth(dpy, screen)); |
925 | |
926 | XSetForeground(dpy, dc.gc, dc.normal[ColorBG].pixel); |
927 | XFillRectangle(dpy, item->unsel, dc.gc, 0, 0, menu->w, item->h); |
928 | |
929 | if (item->label == NULL) { /* item is separator */ |
930 | y = item->h/2; |
931 | XSetForeground(dpy, dc.gc, dc.separator.pixel); |
932 | XDrawLine(dpy, item->unsel, dc.gc, config.horzpadding, y, |
933 | menu->w - config.horzpadding, y); |
934 | |
935 | item->sel = item->unsel; |
936 | } else { |
937 | |
938 | item->sel = XCreatePixmap(dpy, menu->win, menu->w, item->h, |
939 | DefaultDepth(dpy, screen)); |
940 | XSetForeground(dpy, dc.gc, dc.selected[ColorBG].pixel); |
941 | XFillRectangle(dpy, item->sel, dc.gc, 0, 0, menu->w, item->h); |
942 | |
943 | /* draw text */ |
944 | x = config.horzpadding; |
a2ff706d |
945 | x += (iflag || !menu->hasicon) ? 0 : config.horzpadding + config.iconsize; |
3d853664 |
946 | dsel = XftDrawCreate(dpy, item->sel, visual, colormap); |
947 | dunsel = XftDrawCreate(dpy, item->unsel, visual, colormap); |
948 | XSetForeground(dpy, dc.gc, dc.selected[ColorFG].pixel); |
949 | drawtext(dsel, &dc.selected[ColorFG], x, 0, item->h, item->label); |
950 | XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel); |
951 | drawtext(dunsel, &dc.normal[ColorFG], x, 0, item->h, item->label); |
952 | XftDrawDestroy(dsel); |
953 | XftDrawDestroy(dunsel); |
954 | |
955 | /* draw triangle */ |
956 | if (item->submenu != NULL) { |
957 | x = menu->w - config.triangle_width - config.horzpadding; |
958 | y = (item->h - config.triangle_height + 1) / 2; |
959 | |
960 | XPoint triangle[] = { |
961 | {x, y}, |
962 | {x + config.triangle_width, y + config.triangle_height/2}, |
963 | {x, y + config.triangle_height}, |
964 | {x, y} |
965 | }; |
966 | |
967 | XSetForeground(dpy, dc.gc, dc.selected[ColorFG].pixel); |
968 | XFillPolygon(dpy, item->sel, dc.gc, triangle, LEN(triangle), |
969 | Convex, CoordModeOrigin); |
970 | XSetForeground(dpy, dc.gc, dc.normal[ColorFG].pixel); |
971 | XFillPolygon(dpy, item->unsel, dc.gc, triangle, LEN(triangle), |
972 | Convex, CoordModeOrigin); |
973 | } |
974 | |
975 | /* draw icon */ |
976 | if (item->file != NULL && !iflag) { |
977 | item->icon = loadicon(item->file); |
978 | |
3d853664 |
979 | imlib_context_set_image(item->icon); |
237da982 |
980 | imlib_context_set_drawable(item->sel); |
3d853664 |
981 | imlib_render_image_on_drawable(config.horzpadding, config.iconpadding); |
982 | imlib_context_set_drawable(item->unsel); |
983 | imlib_render_image_on_drawable(config.horzpadding, config.iconpadding); |
984 | } |
985 | } |
986 | } |
987 | } |
988 | |
989 | /* copy pixmaps of items of the current menu and of its ancestors into menu window */ |
990 | static void |
991 | drawmenus(struct Menu *currmenu) |
992 | { |
993 | struct Menu *menu; |
994 | struct Item *item; |
995 | |
996 | for (menu = currmenu; menu != NULL; menu = menu->parent) { |
997 | if (!menu->drawn) { |
998 | drawitems(menu); |
999 | menu->drawn = 1; |
1000 | } |
1001 | for (item = menu->list; item != NULL; item = item->next) { |
1002 | if (item == menu->selected) |
1003 | XCopyArea(dpy, item->sel, menu->win, dc.gc, 0, 0, |
1004 | menu->w, item->h, 0, item->y); |
1005 | else |
1006 | XCopyArea(dpy, item->unsel, menu->win, dc.gc, 0, 0, |
1007 | menu->w, item->h, 0, item->y); |
1008 | } |
1009 | } |
1010 | } |
1011 | |
257e42cc |
1012 | /* umap previous menus and map current menu and its parents */ |
a7732690 |
1013 | static void |
257e42cc |
1014 | mapmenu(struct Menu *currmenu) |
a7732690 |
1015 | { |
257e42cc |
1016 | static struct Menu *prevmenu = NULL; |
d8a7caf2 |
1017 | struct Menu *menu, *menu_; |
d8a7caf2 |
1018 | struct Menu *lcamenu; /* lowest common ancestor menu */ |
1019 | unsigned minlevel; /* level of the closest to root menu */ |
1020 | unsigned maxlevel; /* level of the closest to root menu */ |
a7732690 |
1021 | |
257e42cc |
1022 | /* do not remap current menu if it wasn't updated*/ |
1023 | if (prevmenu == currmenu) |
a7732690 |
1024 | return; |
1025 | |
257e42cc |
1026 | /* if this is the first time mapping, skip calculations */ |
1027 | if (prevmenu == NULL) { |
fd530f3f |
1028 | XMapWindow(dpy, currmenu->win); |
cdc4d51f |
1029 | prevmenu = currmenu; |
1030 | return; |
27443900 |
1031 | } |
1032 | |
d8a7caf2 |
1033 | /* find lowest common ancestor menu */ |
257e42cc |
1034 | minlevel = MIN(currmenu->level, prevmenu->level); |
1035 | maxlevel = MAX(currmenu->level, prevmenu->level); |
1036 | if (currmenu->level == maxlevel) { |
27443900 |
1037 | menu = currmenu; |
257e42cc |
1038 | menu_ = prevmenu; |
1039 | } else { |
1040 | menu = prevmenu; |
1041 | menu_ = currmenu; |
27443900 |
1042 | } |
1043 | while (menu->level > minlevel) |
1044 | menu = menu->parent; |
1045 | while (menu != menu_) { |
1046 | menu = menu->parent; |
1047 | menu_ = menu_->parent; |
d8a7caf2 |
1048 | } |
27443900 |
1049 | lcamenu = menu; |
d8a7caf2 |
1050 | |
873c080c |
1051 | /* unmap menus from currmenu (inclusive) until lcamenu (exclusive) */ |
257e42cc |
1052 | for (menu = prevmenu; menu != lcamenu; menu = menu->parent) { |
8455c369 |
1053 | menu->selected = NULL; |
a7732690 |
1054 | XUnmapWindow(dpy, menu->win); |
1055 | } |
1056 | |
873c080c |
1057 | /* map menus from currmenu (inclusive) until lcamenu (exclusive) */ |
d8a7caf2 |
1058 | for (menu = currmenu; menu != lcamenu; menu = menu->parent) { |
3bec05ea |
1059 | |
1060 | if (wflag) { |
8902c43b |
1061 | setupmenupos(menu); |
3bec05ea |
1062 | XMoveWindow(dpy, menu->win, menu->x, menu->y); |
1063 | } |
1064 | |
a7732690 |
1065 | XMapWindow(dpy, menu->win); |
fd530f3f |
1066 | } |
257e42cc |
1067 | |
257e42cc |
1068 | prevmenu = currmenu; |
fd530f3f |
1069 | } |
1070 | |
8902c43b |
1071 | /* get menu of given window */ |
1072 | static struct Menu * |
1073 | getmenu(struct Menu *currmenu, Window win) |
1074 | { |
1075 | struct Menu *menu; |
1076 | |
1077 | for (menu = currmenu; menu != NULL; menu = menu->parent) |
1078 | if (menu->win == win) |
1079 | return menu; |
1080 | |
1081 | return NULL; |
1082 | } |
1083 | |
1084 | /* get item of given menu and position */ |
1085 | static struct Item * |
1086 | getitem(struct Menu *menu, int y) |
1087 | { |
1088 | struct Item *item; |
1089 | |
1090 | if (menu == NULL) |
1091 | return NULL; |
1092 | |
1093 | for (item = menu->list; item != NULL; item = item->next) |
1094 | if (y >= item->y && y <= item->y + item->h) |
1095 | return item; |
1096 | |
1097 | return NULL; |
1098 | } |
1099 | |
858338d9 |
1100 | /* cycle through the items; non-zero direction is next, zero is prev */ |
1101 | static struct Item * |
257e42cc |
1102 | itemcycle(struct Menu *currmenu, int direction) |
858338d9 |
1103 | { |
1104 | struct Item *item; |
1105 | struct Item *lastitem; |
1106 | |
1107 | item = NULL; |
1108 | |
1109 | if (direction == ITEMNEXT) { |
1110 | if (currmenu->selected == NULL) |
1111 | item = currmenu->list; |
1112 | else if (currmenu->selected->next != NULL) |
1113 | item = currmenu->selected->next; |
1114 | |
1115 | while (item != NULL && item->label == NULL) |
1116 | item = item->next; |
1117 | |
1118 | if (item == NULL) |
1119 | item = currmenu->list; |
1120 | } else { |
1121 | for (lastitem = currmenu->list; |
1122 | lastitem != NULL && lastitem->next != NULL; |
1123 | lastitem = lastitem->next) |
1124 | ; |
1125 | |
1126 | if (currmenu->selected == NULL) |
1127 | item = lastitem; |
1128 | else if (currmenu->selected->prev != NULL) |
1129 | item = currmenu->selected->prev; |
1130 | |
1131 | while (item != NULL && item->label == NULL) |
1132 | item = item->prev; |
1133 | |
1134 | if (item == NULL) |
1135 | item = lastitem; |
1136 | } |
1137 | |
1138 | return item; |
1139 | } |
1140 | |
a7732690 |
1141 | /* run event loop */ |
1142 | static void |
257e42cc |
1143 | run(struct Menu *currmenu) |
a7732690 |
1144 | { |
1145 | struct Menu *menu; |
1146 | struct Item *item; |
1147 | struct Item *previtem = NULL; |
858338d9 |
1148 | KeySym ksym; |
a7732690 |
1149 | XEvent ev; |
1150 | |
257e42cc |
1151 | mapmenu(currmenu); |
fd530f3f |
1152 | |
a7732690 |
1153 | while (!XNextEvent(dpy, &ev)) { |
1154 | switch(ev.type) { |
1155 | case Expose: |
858338d9 |
1156 | if (ev.xexpose.count == 0) |
3d853664 |
1157 | drawmenus(currmenu); |
a7732690 |
1158 | break; |
1159 | case MotionNotify: |
257e42cc |
1160 | menu = getmenu(currmenu, ev.xbutton.window); |
0c1a7864 |
1161 | item = getitem(menu, ev.xbutton.y); |
c6d9174e |
1162 | if (menu == NULL || item == NULL || previtem == item) |
fd530f3f |
1163 | break; |
c6d9174e |
1164 | previtem = item; |
1165 | menu->selected = item; |
1166 | if (item->submenu != NULL) { |
1167 | currmenu = item->submenu; |
1168 | currmenu->selected = NULL; |
1169 | } else { |
1170 | currmenu = menu; |
a7732690 |
1171 | } |
c6d9174e |
1172 | mapmenu(currmenu); |
3d853664 |
1173 | drawmenus(currmenu); |
a7732690 |
1174 | break; |
1175 | case ButtonRelease: |
257e42cc |
1176 | menu = getmenu(currmenu, ev.xbutton.window); |
0c1a7864 |
1177 | item = getitem(menu, ev.xbutton.y); |
fd530f3f |
1178 | if (menu == NULL || item == NULL) |
858338d9 |
1179 | break; |
fd530f3f |
1180 | selectitem: |
1181 | if (item->label == NULL) |
1182 | break; /* ignore separators */ |
1183 | if (item->submenu != NULL) { |
257e42cc |
1184 | currmenu = item->submenu; |
a7732690 |
1185 | } else { |
fd530f3f |
1186 | printf("%s\n", item->output); |
08f16589 |
1187 | return; |
a7732690 |
1188 | } |
257e42cc |
1189 | mapmenu(currmenu); |
fd530f3f |
1190 | currmenu->selected = currmenu->list; |
3d853664 |
1191 | drawmenus(currmenu); |
fd530f3f |
1192 | break; |
858338d9 |
1193 | case ButtonPress: |
257e42cc |
1194 | menu = getmenu(currmenu, ev.xbutton.window); |
0c1a7864 |
1195 | if (menu == NULL) |
858338d9 |
1196 | return; |
1197 | break; |
1198 | case KeyPress: |
1199 | ksym = XkbKeycodeToKeysym(dpy, ev.xkey.keycode, 0, 0); |
1200 | |
0c1a7864 |
1201 | /* esc closes xmenu when current menu is the root menu */ |
257e42cc |
1202 | if (ksym == XK_Escape && currmenu->parent == NULL) |
858338d9 |
1203 | return; |
1204 | |
1205 | /* Shift-Tab = ISO_Left_Tab */ |
1206 | if (ksym == XK_Tab && (ev.xkey.state & ShiftMask)) |
1207 | ksym = XK_ISO_Left_Tab; |
1208 | |
1209 | /* cycle through menu */ |
1210 | item = NULL; |
1211 | if (ksym == XK_ISO_Left_Tab || ksym == XK_Up) { |
257e42cc |
1212 | item = itemcycle(currmenu, ITEMPREV); |
858338d9 |
1213 | } else if (ksym == XK_Tab || ksym == XK_Down) { |
257e42cc |
1214 | item = itemcycle(currmenu, ITEMNEXT); |
858338d9 |
1215 | } else if ((ksym == XK_Return || ksym == XK_Right) && |
1216 | currmenu->selected != NULL) { |
1217 | item = currmenu->selected; |
1218 | goto selectitem; |
1219 | } else if ((ksym == XK_Escape || ksym == XK_Left) && |
1220 | currmenu->parent != NULL) { |
1221 | item = currmenu->parent->selected; |
257e42cc |
1222 | currmenu = currmenu->parent; |
1223 | mapmenu(currmenu); |
858338d9 |
1224 | } else |
1225 | break; |
1226 | currmenu->selected = item; |
3d853664 |
1227 | drawmenus(currmenu); |
a7732690 |
1228 | break; |
f15fc339 |
1229 | case LeaveNotify: |
fd530f3f |
1230 | previtem = NULL; |
f15fc339 |
1231 | currmenu->selected = NULL; |
3d853664 |
1232 | drawmenus(currmenu); |
f15fc339 |
1233 | break; |
3bec05ea |
1234 | case ConfigureNotify: |
1235 | menu = getmenu(currmenu, ev.xconfigure.window); |
1236 | if (menu == NULL) |
1237 | break; |
1238 | menu->x = ev.xconfigure.x; |
1239 | menu->y = ev.xconfigure.y; |
1240 | break; |
1241 | case ClientMessage: |
8902c43b |
1242 | if ((unsigned long) ev.xclient.data.l[0] != wmdelete) |
1243 | break; |
3bec05ea |
1244 | /* user closed window */ |
1245 | menu = getmenu(currmenu, ev.xclient.window); |
1246 | if (menu->parent == NULL) |
1247 | return; /* closing the root menu closes the program */ |
1248 | currmenu = menu->parent; |
1249 | mapmenu(currmenu); |
1250 | break; |
a7732690 |
1251 | } |
1252 | } |
1253 | } |
1254 | |
fd530f3f |
1255 | /* recursivelly free pixmaps and destroy windows */ |
f15fc339 |
1256 | static void |
8902c43b |
1257 | cleanmenu(struct Menu *menu) |
f15fc339 |
1258 | { |
1259 | struct Item *item; |
ec4ed1ac |
1260 | struct Item *tmp; |
f15fc339 |
1261 | |
ec4ed1ac |
1262 | item = menu->list; |
1263 | while (item != NULL) { |
f15fc339 |
1264 | if (item->submenu != NULL) |
8902c43b |
1265 | cleanmenu(item->submenu); |
ec4ed1ac |
1266 | tmp = item; |
3d853664 |
1267 | if (menu->drawn) { |
1268 | XFreePixmap(dpy, item->unsel); |
1269 | if (tmp->label != NULL) |
1270 | XFreePixmap(dpy, item->sel); |
1271 | } |
15dfafdf |
1272 | if (tmp->label != tmp->output) |
1273 | free(tmp->label); |
6b5123e7 |
1274 | free(tmp->output); |
33376f54 |
1275 | if (tmp->file != NULL) { |
1276 | free(tmp->file); |
3bec05ea |
1277 | if (tmp->icon != NULL) { |
1278 | imlib_context_set_image(tmp->icon); |
33376f54 |
1279 | imlib_free_image(); |
1280 | } |
1281 | } |
1282 | item = item->next; |
ec4ed1ac |
1283 | free(tmp); |
1284 | } |
f15fc339 |
1285 | |
f15fc339 |
1286 | XDestroyWindow(dpy, menu->win); |
ec4ed1ac |
1287 | free(menu); |
f15fc339 |
1288 | } |
1289 | |
8902c43b |
1290 | /* cleanup X and exit */ |
a7732690 |
1291 | static void |
15dfafdf |
1292 | cleanup(void) |
a7732690 |
1293 | { |
7539247b |
1294 | size_t i; |
1295 | |
257e42cc |
1296 | XUngrabPointer(dpy, CurrentTime); |
1297 | XUngrabKeyboard(dpy, CurrentTime); |
1298 | |
dbeb9940 |
1299 | XftColorFree(dpy, visual, colormap, &dc.normal[ColorBG]); |
1300 | XftColorFree(dpy, visual, colormap, &dc.normal[ColorFG]); |
1301 | XftColorFree(dpy, visual, colormap, &dc.selected[ColorBG]); |
1302 | XftColorFree(dpy, visual, colormap, &dc.selected[ColorFG]); |
fd530f3f |
1303 | XftColorFree(dpy, visual, colormap, &dc.separator); |
1304 | XftColorFree(dpy, visual, colormap, &dc.border); |
dbeb9940 |
1305 | |
7539247b |
1306 | for (i = 0; i < dc.nfonts; i++) |
1307 | XftFontClose(dpy, dc.fonts[i]); |
1308 | |
f15fc339 |
1309 | XFreeGC(dpy, dc.gc); |
a7732690 |
1310 | XCloseDisplay(dpy); |
a7732690 |
1311 | } |
1312 | |
1313 | /* show usage */ |
1314 | static void |
1315 | usage(void) |
1316 | { |
a48473fd |
1317 | (void)fprintf(stderr, "usage: xmenu [-iw] [-p position] [title]\n"); |
a7732690 |
1318 | exit(1); |
1319 | } |