1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
2 * (C)opyright MMVI-MMVII Sander van Dijk <a dot h dot vandijk at gmail dot com>
3 * See LICENSE file for license details.
12 #include <X11/Xutil.h>
13 #include <X11/keysym.h>
15 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
17 typedef struct Item Item;
19 Item *next; /* traverses all items */
20 Item *left, *right; /* traverses items matching current search pattern */
26 static char text[4096];
27 static char *prompt = NULL;
31 static unsigned int cmdw = 0;
32 static unsigned int promptw = 0;
33 static unsigned int numlockmask = 0;
34 static Bool running = True;
35 static Item *allitems = NULL; /* first of all items */
36 static Item *item = NULL; /* first of pattern matching items */
37 static Item *sel = NULL;
38 static Item *next = NULL;
39 static Item *prev = NULL;
40 static Item *curr = NULL;
50 w = promptw + cmdw + 2 * SPACE;
51 for(next = curr; next; next=next->right) {
52 tw = textw(next->text);
59 w = promptw + cmdw + 2 * SPACE;
60 for(prev = curr; prev && prev->left; prev=prev->left) {
61 tw = textw(prev->left->text);
78 drawtext(NULL, dc.norm);
82 drawtext(prompt, dc.sel);
89 drawtext(text[0] ? text : NULL, dc.norm);
93 drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
95 /* determine maximum items */
96 for(i = curr; i != next; i=i->right) {
97 dc.w = textw(i->text);
100 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
105 drawtext(next ? ">" : NULL, dc.norm);
107 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
112 initcolor(const char *colstr) {
113 Colormap cmap = DefaultColormap(dpy, screen);
116 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
117 eprint("error, cannot allocate color '%s'\n", colstr);
122 initfont(const char *fontstr) {
123 char *def, **missing;
128 XFreeFontSet(dpy, dc.font.set);
129 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
131 XFreeStringList(missing);
133 XFontSetExtents *font_extents;
134 XFontStruct **xfonts;
136 dc.font.ascent = dc.font.descent = 0;
137 font_extents = XExtentsOfFontSet(dc.font.set);
138 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
139 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
140 if(dc.font.ascent < (*xfonts)->ascent)
141 dc.font.ascent = (*xfonts)->ascent;
142 if(dc.font.descent < (*xfonts)->descent)
143 dc.font.descent = (*xfonts)->descent;
149 XFreeFont(dpy, dc.font.xfont);
150 dc.font.xfont = NULL;
151 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
152 eprint("error, cannot load font: '%s'\n", fontstr);
153 dc.font.ascent = dc.font.xfont->ascent;
154 dc.font.descent = dc.font.xfont->descent;
156 dc.font.height = dc.font.ascent + dc.font.descent;
160 match(char *pattern) {
166 plen = strlen(pattern);
169 for(i = allitems; i; i=i->next)
170 if(!plen || !strncmp(pattern, i->text, plen)) {
180 for(i = allitems; i; i=i->next)
181 if(plen && strncmp(pattern, i->text, plen)
182 && strstr(i->text, pattern)) {
192 curr = prev = next = sel = item;
197 kpress(XKeyEvent * e) {
199 int i, num, prev_nitem;
205 num = XLookupString(e, buf, sizeof buf, &ksym, 0);
206 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
207 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
208 || IsPrivateKeypadKey(ksym))
210 /* first check if a control mask is omitted */
211 if(e->state & ControlMask) {
213 default: /* ignore other control sequences */
240 while(i >= 0 && text[i] == ' ')
242 while(i >= 0 && text[i] != ' ')
250 if(CLEANMASK(e->state) & Mod1Mask) {
275 if(num && !iscntrl((int) buf[0])) {
278 strncat(text, buf, sizeof text);
280 strncpy(text, buf, sizeof text);
290 } while(i && nitem && prev_nitem == nitem);
301 while(sel && sel->right)
315 if(!(sel && sel->left))
318 if(sel->right == curr) {
336 if((e->state & ShiftMask) && text)
337 fprintf(stdout, "%s", text);
339 fprintf(stdout, "%s", sel->text);
341 fprintf(stdout, "%s", text);
346 if(!(sel && sel->right))
357 strncpy(text, sel->text, sizeof text);
366 static char *maxname = NULL;
368 unsigned int len = 0, max = 0;
372 while(fgets(buf, sizeof buf, stdin)) {
374 if (buf[len - 1] == '\n')
381 new = emalloc(sizeof(Item));
382 new->next = new->left = new->right = NULL;
396 eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
397 " [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
407 main(int argc, char *argv[]) {
411 char *normbg = NORMBGCOLOR;
412 char *normfg = NORMFGCOLOR;
413 char *selbg = SELBGCOLOR;
414 char *selfg = SELFGCOLOR;
418 XModifierKeymap *modmap;
419 XSetWindowAttributes wa;
421 if(argc == 2 && !strncmp("-v", argv[1], 3))
422 eprint("dmenu-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n");
423 else if(isatty(STDIN_FILENO)) {
424 fputs("error: dmenu can't run in an interactive shell\n", stdout);
427 /* command line args */
428 for(i = 1; i < argc; i++)
429 if(!strncmp(argv[i], "-b", 3)) {
432 else if(!strncmp(argv[i], "-fn", 4)) {
433 if(++i < argc) font = argv[i];
435 else if(!strncmp(argv[i], "-nb", 4)) {
436 if(++i < argc) normbg = argv[i];
438 else if(!strncmp(argv[i], "-nf", 4)) {
439 if(++i < argc) normfg = argv[i];
441 else if(!strncmp(argv[i], "-p", 3)) {
442 if(++i < argc) prompt = argv[i];
444 else if(!strncmp(argv[i], "-sb", 4)) {
445 if(++i < argc) selbg = argv[i];
447 else if(!strncmp(argv[i], "-sf", 4)) {
448 if(++i < argc) selfg = argv[i];
452 setlocale(LC_CTYPE, "");
453 dpy = XOpenDisplay(0);
455 eprint("dmenu: cannot open display\n");
456 screen = DefaultScreen(dpy);
457 root = RootWindow(dpy, screen);
458 while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
459 GrabModeAsync, CurrentTime) != GrabSuccess)
461 maxname = readstdin();
462 /* init modifier map */
463 modmap = XGetModifierMapping(dpy);
464 for (i = 0; i < 8; i++) {
465 for (j = 0; j < modmap->max_keypermod; j++) {
466 if(modmap->modifiermap[i * modmap->max_keypermod + j]
467 == XKeysymToKeycode(dpy, XK_Num_Lock))
468 numlockmask = (1 << i);
471 XFreeModifiermap(modmap);
473 dc.norm[ColBG] = initcolor(normbg);
474 dc.norm[ColFG] = initcolor(normfg);
475 dc.sel[ColBG] = initcolor(selbg);
476 dc.sel[ColFG] = initcolor(selfg);
479 wa.override_redirect = 1;
480 wa.background_pixmap = ParentRelative;
481 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
482 mw = DisplayWidth(dpy, screen);
483 mh = dc.font.height + 2;
484 win = XCreateWindow(dpy, root, 0,
485 bottom ? DisplayHeight(dpy, screen) - mh : 0, mw, mh, 0,
486 DefaultDepth(dpy, screen), CopyFromParent,
487 DefaultVisual(dpy, screen),
488 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
490 dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
491 dc.gc = XCreateGC(dpy, root, 0, 0);
492 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
494 cmdw = textw(maxname);
498 promptw = textw(prompt);
503 XMapRaised(dpy, win);
507 /* main event loop */
508 while(running && !XNextEvent(dpy, &ev))
510 default: /* ignore all crap */
516 if(ev.xexpose.count == 0)
523 itm = allitems->next;
524 free(allitems->text);
529 XFreeFontSet(dpy, dc.font.set);
531 XFreeFont(dpy, dc.font.xfont);
532 XFreePixmap(dpy, dc.drawable);
534 XDestroyWindow(dpy, win);
535 XUngrabKeyboard(dpy, CurrentTime);