1 /* See LICENSE file for copyright and license details. */
8 #include <X11/keysym.h>
10 #include <X11/Xutil.h>
12 #include <X11/extensions/Xinerama.h>
17 #define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
18 #define MIN(a, b) ((a) < (b) ? (a) : (b))
19 #define MAX(a, b) ((a) > (b) ? (a) : (b))
20 #define IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
22 typedef struct Item Item;
25 Item *next; /* traverses all items */
26 Item *left, *right; /* traverses items matching current search pattern */
29 /* forward declarations */
30 static void appenditem(Item *i, Item **list, Item **last);
31 static void calcoffsetsh(void);
32 static void calcoffsetsv(void);
33 static char *cistrstr(const char *s, const char *sub);
34 static void cleanup(void);
35 static void dinput(void);
36 static void drawmenu(void);
37 static void drawmenuh(void);
38 static void drawmenuv(void);
39 static void grabkeyboard(void);
40 static void kpress(XKeyEvent *e);
41 static void match(char *pattern);
42 static void readstdin(void);
43 static void run(void);
44 static void setup(void);
49 static char **argp = NULL;
50 static char *maxname = NULL;
51 static char *prompt = NULL;
52 static char text[4096];
54 static int promptw = 0;
56 static unsigned int lines = 0;
57 static unsigned int numlockmask = 0;
58 static unsigned int mw, mh;
59 static unsigned long normcol[ColLast];
60 static unsigned long selcol[ColLast];
61 static Bool topbar = True;
64 static Item *allitems = NULL; /* first of all items */
65 static Item *item = NULL; /* first of pattern matching items */
66 static Item *sel = NULL;
67 static Item *next = NULL;
68 static Item *prev = NULL;
69 static Item *curr = NULL;
70 static Window win, root;
71 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
72 static char *(*fstrstr)(const char *, const char *) = strstr;
73 static void (*calcoffsets)(void) = calcoffsetsh;
76 appenditem(Item *i, Item **list, Item **last) {
90 x = promptw + cmdw + (2 * spaceitem);
91 for(next = curr; next; next = next->right)
92 if((x += MIN(textw(&dc, next->text), mw / 3)) > mw)
94 x = promptw + cmdw + (2 * spaceitem);
95 for(prev = curr; prev && prev->left; prev = prev->left)
96 if((x += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
105 for(i = 0; i < lines && next; i++)
107 mh = (dc.font.height + 2) * (i + 1);
108 for(i = 0; i < lines && prev && prev->left; i++)
113 cistrstr(const char *s, const char *sub) {
119 if((c = tolower(*sub++)) != '\0') {
123 if((csub = *s++) == '\0')
126 while(tolower(csub) != c);
128 while(strncasecmp(s, sub, len) != 0);
139 itm = allitems->next;
140 free(allitems->text);
145 XDestroyWindow(dpy, win);
146 XUngrabKeyboard(dpy, CurrentTime);
155 execvp("dinput", argp);
156 eprint("cannot exec dinput\n");
165 drawtext(&dc, NULL, normcol, False);
166 dc.h = dc.font.height + 2;
167 dc.y = topbar ? 0 : mh - dc.h;
171 drawtext(&dc, prompt, selcol, False);
176 if(cmdw && item && lines == 0)
178 drawtext(&dc, *text ? text : NULL, normcol, False);
183 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
192 drawtext(&dc, curr->left ? "<" : NULL, normcol, False);
194 for(i = curr; i != next; i = i->right) {
195 dc.w = MIN(textw(&dc, i->text), mw / 3);
196 drawtext(&dc, i->text, (sel == i) ? selcol : normcol, False);
201 drawtext(&dc, next ? ">" : NULL, normcol, False);
207 XWindowAttributes wa;
209 dc.y = topbar ? dc.h : 0;
211 for(i = curr; i != next; i = i->right) {
212 drawtext(&dc, i->text, (sel == i) ? selcol : normcol, False);
215 if(!XGetWindowAttributes(dpy, win, &wa))
216 eprint("cannot get window attributes");
217 XMoveResizeWindow(dpy, win, wa.x, wa.y + (topbar ? 0 : wa.height - mh), mw, mh);
224 for(len = 1000; len; len--) {
225 if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
235 kpress(XKeyEvent *e) {
236 char buf[sizeof text];
242 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
243 if(ksym == XK_KP_Enter)
245 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
246 ksym = (ksym - XK_KP_0) + XK_0;
247 else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
248 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
249 || IsPrivateKeypadKey(ksym))
251 /* first check if a control mask is omitted */
252 if(e->state & ControlMask) {
253 switch(tolower(ksym)) {
295 while(i-- > 0 && text[i] == ' ');
296 while(i-- > 0 && text[i] != ' ');
304 num = MIN(num, sizeof text);
305 if(num && !iscntrl((int) buf[0])) {
306 memcpy(text + len, buf, num + 1);
314 for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
324 while(sel && sel->right)
335 if(!sel || !sel->left)
338 if(sel->right == curr) {
356 if(e->state & ShiftMask)
358 fprintf(stdout, "%s", sel ? sel->text : text);
363 if(!sel || !sel->right)
373 strncpy(text, sel->text, sizeof text);
381 match(char *pattern) {
383 Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
387 plen = strlen(pattern);
388 item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
389 for(i = allitems; i; i = i->next)
390 if(!fstrncmp(pattern, i->text, plen + 1))
391 appenditem(i, &lexact, &exactend);
392 else if(!fstrncmp(pattern, i->text, plen))
393 appenditem(i, &lprefix, &prefixend);
394 else if(fstrstr(i->text, pattern))
395 appenditem(i, &lsubstr, &substrend);
402 itemend->right = lprefix;
403 lprefix->left = itemend;
411 itemend->right = lsubstr;
412 lsubstr->left = itemend;
417 curr = prev = next = sel = item;
423 char *p, buf[sizeof text];
424 unsigned int len = 0, max = 0;
428 while(fgets(buf, sizeof buf, stdin)) {
430 if(buf[len-1] == '\n')
432 if(!(p = strdup(buf)))
433 eprint("cannot strdup %u bytes\n", len);
434 if((max = MAX(max, len)) == len)
436 if(!(new = malloc(sizeof *new)))
437 eprint("cannot malloc %u bytes\n", sizeof *new);
438 new->next = new->left = new->right = NULL;
452 /* main event loop */
454 while(!XNextEvent(dpy, &ev))
460 if(ev.xexpose.count == 0)
463 case VisibilityNotify:
464 if(ev.xvisibility.state != VisibilityUnobscured)
465 XRaiseWindow(dpy, win);
476 XineramaScreenInfo *info = NULL;
478 XModifierKeymap *modmap;
479 XSetWindowAttributes wa;
481 /* init modifier map */
482 modmap = XGetModifierMapping(dpy);
483 for(i = 0; i < 8; i++)
484 for(j = 0; j < modmap->max_keypermod; j++) {
485 if(modmap->modifiermap[i * modmap->max_keypermod + j]
486 == XKeysymToKeycode(dpy, XK_Num_Lock))
487 numlockmask = (1 << i);
489 XFreeModifiermap(modmap);
492 normcol[ColBG] = getcolor(&dc, normbgcolor);
493 normcol[ColFG] = getcolor(&dc, normfgcolor);
494 selcol[ColBG] = getcolor(&dc, selbgcolor);
495 selcol[ColFG] = getcolor(&dc, selfgcolor);
499 wa.override_redirect = True;
500 wa.background_pixmap = ParentRelative;
501 wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
503 /* menu window geometry */
504 mh = (dc.font.height + 2) * (lines + 1);
506 if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
512 if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
513 for(i = 0; i < n; i++)
514 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
518 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
526 y = topbar ? 0 : mh - DisplayHeight(dpy, screen);
527 mw = DisplayWidth(dpy, screen);
530 win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
531 DefaultDepth(dpy, screen), CopyFromParent,
532 DefaultVisual(dpy, screen),
533 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
537 cmdw = MIN(textw(&dc, maxname), mw / 3);
539 promptw = MIN(textw(&dc, prompt), mw / 5);
542 XMapRaised(dpy, win);
546 main(int argc, char *argv[]) {
549 /* command line args */
551 for(i = 1; i < argc; i++)
552 if(!strcmp(argv[i], "-i")) {
553 fstrncmp = strncasecmp;
556 else if(!strcmp(argv[i], "-b"))
558 else if(!strcmp(argv[i], "-l")) {
559 if(++i < argc) lines = atoi(argv[i]);
561 calcoffsets = calcoffsetsv;
563 else if(!strcmp(argv[i], "-fn")) {
564 if(++i < argc) font = argv[i];
566 else if(!strcmp(argv[i], "-nb")) {
567 if(++i < argc) normbgcolor = argv[i];
569 else if(!strcmp(argv[i], "-nf")) {
570 if(++i < argc) normfgcolor = argv[i];
572 else if(!strcmp(argv[i], "-p")) {
573 if(++i < argc) prompt = argv[i];
575 else if(!strcmp(argv[i], "-sb")) {
576 if(++i < argc) selbgcolor = argv[i];
578 else if(!strcmp(argv[i], "-sf")) {
579 if(++i < argc) selfgcolor = argv[i];
581 else if(!strcmp(argv[i], "-v")) {
582 printf("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
586 fputs("usage: dmenu [-i] [-b] [-l <lines>] [-fn <font>] [-nb <color>]\n"
587 " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n", stderr);
590 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
591 fprintf(stderr, "dmenu: warning: no locale support\n");
592 if(!(dpy = XOpenDisplay(NULL)))
593 eprint("cannot open display\n");
594 if(atexit(&cleanup) != 0)
595 eprint("cannot register cleanup\n");
596 screen = DefaultScreen(dpy);
597 root = RootWindow(dpy, screen);
598 if(!(argp = malloc(sizeof *argp * (argc+2))))
599 eprint("cannot malloc %u bytes\n", sizeof *argp * (argc+2));
600 memcpy(argp + 2, argv + 1, sizeof *argp * argc);