1 /* See LICENSE file for copyright and license details. */
10 #include <X11/keysym.h>
12 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
14 typedef struct Item Item;
16 Item *next; /* traverses all items */
17 Item *left, *right; /* traverses items matching current search pattern */
23 static char text[4096];
24 static char *prompt = NULL;
28 static unsigned int cmdw = 0;
29 static unsigned int promptw = 0;
30 static unsigned int numlockmask = 0;
31 static Bool running = True;
32 static Item *allitems = NULL; /* first of all items */
33 static Item *item = NULL; /* first of pattern matching items */
34 static Item *sel = NULL;
35 static Item *next = NULL;
36 static Item *prev = NULL;
37 static Item *curr = NULL;
47 w = promptw + cmdw + 2 * SPACE;
48 for(next = curr; next; next=next->right) {
49 tw = textw(next->text);
56 w = promptw + cmdw + 2 * SPACE;
57 for(prev = curr; prev && prev->left; prev=prev->left) {
58 tw = textw(prev->left->text);
75 drawtext(NULL, dc.norm);
79 drawtext(prompt, dc.sel);
86 drawtext(text[0] ? text : NULL, dc.norm);
90 drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
92 /* determine maximum items */
93 for(i = curr; i != next; i=i->right) {
94 dc.w = textw(i->text);
97 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
102 drawtext(next ? ">" : NULL, dc.norm);
104 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
112 for(len = 1000; len; len--) {
113 if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
122 initcolor(const char *colstr) {
123 Colormap cmap = DefaultColormap(dpy, screen);
126 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
127 eprint("error, cannot allocate color '%s'\n", colstr);
132 initfont(const char *fontstr) {
133 char *def, **missing;
136 if(!fontstr || fontstr[0] == '\0')
137 eprint("error, cannot load font: '%s'\n", fontstr);
140 XFreeFontSet(dpy, dc.font.set);
141 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
143 XFreeStringList(missing);
145 XFontSetExtents *font_extents;
146 XFontStruct **xfonts;
148 dc.font.ascent = dc.font.descent = 0;
149 font_extents = XExtentsOfFontSet(dc.font.set);
150 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
151 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
152 if(dc.font.ascent < (*xfonts)->ascent)
153 dc.font.ascent = (*xfonts)->ascent;
154 if(dc.font.descent < (*xfonts)->descent)
155 dc.font.descent = (*xfonts)->descent;
161 XFreeFont(dpy, dc.font.xfont);
162 dc.font.xfont = NULL;
163 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
164 eprint("error, cannot load font: '%s'\n", fontstr);
165 dc.font.ascent = dc.font.xfont->ascent;
166 dc.font.descent = dc.font.xfont->descent;
168 dc.font.height = dc.font.ascent + dc.font.descent;
172 match(char *pattern) {
178 plen = strlen(pattern);
181 for(i = allitems; i; i=i->next)
182 if(!plen || !strncmp(pattern, i->text, plen)) {
192 for(i = allitems; i; i=i->next)
193 if(plen && strncmp(pattern, i->text, plen)
194 && strstr(i->text, pattern)) {
204 curr = prev = next = sel = item;
209 kpress(XKeyEvent * e) {
217 num = XLookupString(e, buf, sizeof buf, &ksym, 0);
218 if(IsKeypadKey(ksym)) {
219 if(ksym == XK_KP_Enter) {
221 } else if(ksym >= XK_KP_0 && ksym <= XK_KP_9) {
222 ksym = (ksym - XK_KP_0) + XK_0;
225 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
226 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
227 || IsPrivateKeypadKey(ksym))
229 /* first check if a control mask is omitted */
230 if(e->state & ControlMask) {
232 default: /* ignore other control sequences */
259 while(i >= 0 && text[i] == ' ')
261 while(i >= 0 && text[i] != ' ')
269 if(CLEANMASK(e->state) & Mod1Mask) {
294 if(num && !iscntrl((int) buf[0])) {
297 strncat(text, buf, sizeof text);
299 strncpy(text, buf, sizeof text);
316 while(sel && sel->right)
330 if(!(sel && sel->left))
333 if(sel->right == curr) {
351 if((e->state & ShiftMask) && text)
352 fprintf(stdout, "%s", text);
354 fprintf(stdout, "%s", sel->text);
356 fprintf(stdout, "%s", text);
361 if(!(sel && sel->right))
372 strncpy(text, sel->text, sizeof text);
381 static char *maxname = NULL;
383 unsigned int len = 0, max = 0;
387 while(fgets(buf, sizeof buf, stdin)) {
389 if (buf[len - 1] == '\n')
396 new = emalloc(sizeof(Item));
397 new->next = new->left = new->right = NULL;
411 eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
412 " [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
422 main(int argc, char *argv[]) {
426 char *normbg = NORMBGCOLOR;
427 char *normfg = NORMFGCOLOR;
428 char *selbg = SELBGCOLOR;
429 char *selfg = SELFGCOLOR;
433 XModifierKeymap *modmap;
434 XSetWindowAttributes wa;
436 /* command line args */
437 for(i = 1; i < argc; i++)
438 if(!strcmp(argv[i], "-b")) {
441 else if(!strcmp(argv[i], "-fn")) {
442 if(++i < argc) font = argv[i];
444 else if(!strcmp(argv[i], "-nb")) {
445 if(++i < argc) normbg = argv[i];
447 else if(!strcmp(argv[i], "-nf")) {
448 if(++i < argc) normfg = argv[i];
450 else if(!strcmp(argv[i], "-p")) {
451 if(++i < argc) prompt = argv[i];
453 else if(!strcmp(argv[i], "-sb")) {
454 if(++i < argc) selbg = argv[i];
456 else if(!strcmp(argv[i], "-sf")) {
457 if(++i < argc) selfg = argv[i];
459 else if(!strcmp(argv[i], "-v"))
460 eprint("dmenu-"VERSION", © 2006-2007 Anselm R. Garbe, Sander van Dijk\n");
463 setlocale(LC_CTYPE, "");
464 dpy = XOpenDisplay(0);
466 eprint("dmenu: cannot open display\n");
467 screen = DefaultScreen(dpy);
468 root = RootWindow(dpy, screen);
469 if(isatty(STDIN_FILENO)) {
470 maxname = readstdin();
471 running = grabkeyboard();
473 else { /* prevent keypress loss */
474 running = grabkeyboard();
475 maxname = readstdin();
477 /* init modifier map */
478 modmap = XGetModifierMapping(dpy);
479 for (i = 0; i < 8; i++) {
480 for (j = 0; j < modmap->max_keypermod; j++) {
481 if(modmap->modifiermap[i * modmap->max_keypermod + j]
482 == XKeysymToKeycode(dpy, XK_Num_Lock))
483 numlockmask = (1 << i);
486 XFreeModifiermap(modmap);
488 dc.norm[ColBG] = initcolor(normbg);
489 dc.norm[ColFG] = initcolor(normfg);
490 dc.sel[ColBG] = initcolor(selbg);
491 dc.sel[ColFG] = initcolor(selfg);
494 wa.override_redirect = 1;
495 wa.background_pixmap = ParentRelative;
496 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
497 mw = DisplayWidth(dpy, screen);
498 mh = dc.font.height + 2;
499 win = XCreateWindow(dpy, root, 0,
500 bottom ? DisplayHeight(dpy, screen) - mh : 0, mw, mh, 0,
501 DefaultDepth(dpy, screen), CopyFromParent,
502 DefaultVisual(dpy, screen),
503 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
505 dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
506 dc.gc = XCreateGC(dpy, root, 0, 0);
507 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
509 XSetFont(dpy, dc.gc, dc.font.xfont->fid);
511 cmdw = textw(maxname);
515 promptw = textw(prompt);
520 XMapRaised(dpy, win);
524 /* main event loop */
525 while(running && !XNextEvent(dpy, &ev))
527 default: /* ignore all crap */
533 if(ev.xexpose.count == 0)
540 itm = allitems->next;
541 free(allitems->text);
546 XFreeFontSet(dpy, dc.font.set);
548 XFreeFont(dpy, dc.font.xfont);
549 XFreePixmap(dpy, dc.drawable);
551 XDestroyWindow(dpy, win);
552 XUngrabKeyboard(dpy, CurrentTime);