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.
13 #include <sys/select.h>
15 #include <X11/Xutil.h>
16 #include <X11/keysym.h>
18 typedef struct Item Item;
20 Item *next; /* traverses all items */
21 Item *left, *right; /* traverses items matching current search pattern */
27 static char text[4096];
28 static char *prompt = NULL;
29 static int mx, my, mw, mh;
32 static unsigned int cmdw = 0;
33 static unsigned int promptw = 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 match(char *pattern) {
118 plen = strlen(pattern);
121 for(i = allitems; i; i=i->next)
122 if(!plen || !strncmp(pattern, i->text, plen)) {
132 for(i = allitems; i; i=i->next)
133 if(plen && strncmp(pattern, i->text, plen)
134 && strstr(i->text, pattern)) {
144 curr = prev = next = sel = item;
149 kpress(XKeyEvent * e) {
157 num = XLookupString(e, buf, sizeof buf, &ksym, 0);
158 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
159 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
160 || IsPrivateKeypadKey(ksym))
162 /* first check if a control mask is omitted */
163 if(e->state & ControlMask) {
165 default: /* ignore other control sequences */
190 if(e->state & Mod1Mask) {
215 if(num && !iscntrl((int) buf[0])) {
218 strncat(text, buf, sizeof text);
220 strncpy(text, buf, sizeof text);
230 } while(i && nitem && prev_nitem == nitem);
241 while(sel && sel->right)
255 if(!(sel && sel->left))
258 if(sel->right == curr) {
276 if((e->state & ShiftMask) && text)
277 fprintf(stdout, "%s", text);
279 fprintf(stdout, "%s", sel->text);
281 fprintf(stdout, "%s", text);
286 if(!(sel && sel->right))
297 strncpy(text, sel->text, sizeof text);
306 static char *maxname = NULL;
308 unsigned int len = 0, max = 0;
312 while(fgets(buf, sizeof buf, stdin)) {
314 if (buf[len - 1] == '\n')
321 new = emalloc(sizeof(Item));
322 new->next = new->left = new->right = NULL;
341 main(int argc, char *argv[]) {
345 char *normbg = NORMBGCOLOR;
346 char *normfg = NORMFGCOLOR;
347 char *selbg = SELBGCOLOR;
348 char *selfg = SELFGCOLOR;
351 struct timeval timeout;
354 XSetWindowAttributes wa;
358 /* command line args */
359 for(i = 1; i < argc; i++)
360 if(!strncmp(argv[i], "-b", 3)) {
363 else if(!strncmp(argv[i], "-fn", 4)) {
364 if(++i < argc) font = argv[i];
366 else if(!strncmp(argv[i], "-nb", 4)) {
367 if(++i < argc) normbg = argv[i];
369 else if(!strncmp(argv[i], "-nf", 4)) {
370 if(++i < argc) normfg = argv[i];
372 else if(!strncmp(argv[i], "-p", 3)) {
373 if(++i < argc) prompt = argv[i];
375 else if(!strncmp(argv[i], "-sb", 4)) {
376 if(++i < argc) selbg = argv[i];
378 else if(!strncmp(argv[i], "-sf", 4)) {
379 if(++i < argc) selfg = argv[i];
381 else if(!strncmp(argv[i], "-t", 3)) {
382 if(++i < argc) timeout.tv_sec = atoi(argv[i]);
384 else if(!strncmp(argv[i], "-v", 3)) {
385 fputs("dmenu-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n", stdout);
389 eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>] [-p <prompt>]\n"
390 " [-sb <color>] [-sf <color>] [-t <seconds>] [-v]\n", stdout);
391 setlocale(LC_CTYPE, "");
392 dpy = XOpenDisplay(0);
394 eprint("dmenu: cannot open display\n");
395 screen = DefaultScreen(dpy);
396 root = RootWindow(dpy, screen);
398 /* Note, the select() construction allows to grab all keypresses as
399 * early as possible, to not loose them. But if there is no standard
400 * input supplied, we will make sure to exit after MAX_WAIT_STDIN
401 * seconds. This is convenience behavior for rapid typers.
403 while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
404 GrabModeAsync, CurrentTime) != GrabSuccess)
407 FD_SET(STDIN_FILENO, &rd);
408 if(select(ConnectionNumber(dpy) + 1, &rd, NULL, NULL, &timeout) < 1)
409 goto UninitializedEnd;
410 maxname = readstdin();
412 dc.norm[ColBG] = getcolor(normbg);
413 dc.norm[ColFG] = getcolor(normfg);
414 dc.sel[ColBG] = getcolor(selbg);
415 dc.sel[ColFG] = getcolor(selfg);
418 wa.override_redirect = 1;
419 wa.background_pixmap = ParentRelative;
420 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
422 mw = DisplayWidth(dpy, screen);
423 mh = dc.font.height + 2;
425 my += DisplayHeight(dpy, screen) - mh;
426 win = XCreateWindow(dpy, root, mx, my, mw, mh, 0,
427 DefaultDepth(dpy, screen), CopyFromParent,
428 DefaultVisual(dpy, screen),
429 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
431 dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
432 dc.gc = XCreateGC(dpy, root, 0, 0);
433 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
435 cmdw = textw(maxname);
439 promptw = textw(prompt);
444 XMapRaised(dpy, win);
448 /* main event loop */
449 while(running && !XNextEvent(dpy, &ev))
451 default: /* ignore all crap */
457 if(ev.xexpose.count == 0)
464 itm = allitems->next;
465 free(allitems->text);
470 XFreeFontSet(dpy, dc.font.set);
472 XFreeFont(dpy, dc.font.xfont);
473 XFreePixmap(dpy, dc.drawable);
475 XDestroyWindow(dpy, win);
477 XUngrabKeyboard(dpy, CurrentTime);