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 if(!(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
165 eprint("error, cannot load font: '%s'\n", fontstr);
167 dc.font.ascent = dc.font.xfont->ascent;
168 dc.font.descent = dc.font.xfont->descent;
170 dc.font.height = dc.font.ascent + dc.font.descent;
174 strido(const char *text, const char *pattern) {
175 for(; *text && *pattern; text++)
176 if (*text == *pattern)
182 match(char *pattern) {
188 plen = strlen(pattern);
191 for(i = allitems; i; i=i->next)
192 if(!plen || !strncmp(pattern, i->text, plen)) {
202 for(i = allitems; i; i=i->next)
203 if(plen && strncmp(pattern, i->text, plen)
204 && strstr(i->text, pattern)) {
214 for(i = allitems; i; i=i->next)
215 if(plen && strncmp(pattern, i->text, plen)
216 && !strstr(i->text, pattern)
217 && strido(i->text,pattern)) {
227 curr = prev = next = sel = item;
232 kpress(XKeyEvent * e) {
240 num = XLookupString(e, buf, sizeof buf, &ksym, 0);
241 if(IsKeypadKey(ksym)) {
242 if(ksym == XK_KP_Enter) {
244 } else if(ksym >= XK_KP_0 && ksym <= XK_KP_9) {
245 ksym = (ksym - XK_KP_0) + XK_0;
248 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
249 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
250 || IsPrivateKeypadKey(ksym))
252 /* first check if a control mask is omitted */
253 if(e->state & ControlMask) {
255 default: /* ignore other control sequences */
282 while(i >= 0 && text[i] == ' ')
284 while(i >= 0 && text[i] != ' ')
292 if(CLEANMASK(e->state) & Mod1Mask) {
317 if(num && !iscntrl((int) buf[0])) {
320 strncat(text, buf, sizeof text);
322 strncpy(text, buf, sizeof text);
339 while(sel && sel->right)
353 if(!(sel && sel->left))
356 if(sel->right == curr) {
374 if((e->state & ShiftMask) && text)
375 fprintf(stdout, "%s", text);
377 fprintf(stdout, "%s", sel->text);
379 fprintf(stdout, "%s", text);
384 if(!(sel && sel->right))
395 strncpy(text, sel->text, sizeof text);
404 static char *maxname = NULL;
406 unsigned int len = 0, max = 0;
410 while(fgets(buf, sizeof buf, stdin)) {
412 if (buf[len - 1] == '\n')
419 new = emalloc(sizeof(Item));
420 new->next = new->left = new->right = NULL;
434 eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
435 " [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
445 main(int argc, char *argv[]) {
449 char *normbg = NORMBGCOLOR;
450 char *normfg = NORMFGCOLOR;
451 char *selbg = SELBGCOLOR;
452 char *selfg = SELFGCOLOR;
456 XModifierKeymap *modmap;
457 XSetWindowAttributes wa;
459 /* command line args */
460 for(i = 1; i < argc; i++)
461 if(!strcmp(argv[i], "-b")) {
464 else if(!strcmp(argv[i], "-fn")) {
465 if(++i < argc) font = argv[i];
467 else if(!strcmp(argv[i], "-nb")) {
468 if(++i < argc) normbg = argv[i];
470 else if(!strcmp(argv[i], "-nf")) {
471 if(++i < argc) normfg = argv[i];
473 else if(!strcmp(argv[i], "-p")) {
474 if(++i < argc) prompt = argv[i];
476 else if(!strcmp(argv[i], "-sb")) {
477 if(++i < argc) selbg = argv[i];
479 else if(!strcmp(argv[i], "-sf")) {
480 if(++i < argc) selfg = argv[i];
482 else if(!strcmp(argv[i], "-v"))
483 eprint("dmenu-"VERSION", © 2006-2007 Anselm R. Garbe, Sander van Dijk\n");
486 setlocale(LC_CTYPE, "");
487 dpy = XOpenDisplay(0);
489 eprint("dmenu: cannot open display\n");
490 screen = DefaultScreen(dpy);
491 root = RootWindow(dpy, screen);
492 if(isatty(STDIN_FILENO)) {
493 maxname = readstdin();
494 running = grabkeyboard();
496 else { /* prevent keypress loss */
497 running = grabkeyboard();
498 maxname = readstdin();
500 /* init modifier map */
501 modmap = XGetModifierMapping(dpy);
502 for (i = 0; i < 8; i++) {
503 for (j = 0; j < modmap->max_keypermod; j++) {
504 if(modmap->modifiermap[i * modmap->max_keypermod + j]
505 == XKeysymToKeycode(dpy, XK_Num_Lock))
506 numlockmask = (1 << i);
509 XFreeModifiermap(modmap);
511 dc.norm[ColBG] = initcolor(normbg);
512 dc.norm[ColFG] = initcolor(normfg);
513 dc.sel[ColBG] = initcolor(selbg);
514 dc.sel[ColFG] = initcolor(selfg);
517 wa.override_redirect = 1;
518 wa.background_pixmap = ParentRelative;
519 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
520 mw = DisplayWidth(dpy, screen);
521 mh = dc.font.height + 2;
522 win = XCreateWindow(dpy, root, 0,
523 bottom ? DisplayHeight(dpy, screen) - mh : 0, mw, mh, 0,
524 DefaultDepth(dpy, screen), CopyFromParent,
525 DefaultVisual(dpy, screen),
526 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
528 dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
529 dc.gc = XCreateGC(dpy, root, 0, 0);
530 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
532 XSetFont(dpy, dc.gc, dc.font.xfont->fid);
534 cmdw = textw(maxname);
538 promptw = textw(prompt);
543 XMapRaised(dpy, win);
547 /* main event loop */
548 while(running && !XNextEvent(dpy, &ev))
550 default: /* ignore all crap */
556 if(ev.xexpose.count == 0)
563 itm = allitems->next;
564 free(allitems->text);
569 XFreeFontSet(dpy, dc.font.set);
571 XFreeFont(dpy, dc.font.xfont);
572 XFreePixmap(dpy, dc.drawable);
574 XDestroyWindow(dpy, win);
575 XUngrabKeyboard(dpy, CurrentTime);