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 Bool 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;
57 static unsigned int lines = 0;
58 static unsigned int numlockmask = 0;
59 static unsigned int mw, mh;
60 static unsigned long normcol[ColLast];
61 static unsigned long selcol[ColLast];
62 static Bool running = True;
63 static Bool topbar = True;
66 static Item *allitems = NULL; /* first of all items */
67 static Item *item = NULL; /* first of pattern matching items */
68 static Item *sel = NULL;
69 static Item *next = NULL;
70 static Item *prev = NULL;
71 static Item *curr = NULL;
72 static Window win, root;
73 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
74 static char *(*fstrstr)(const char *, const char *) = strstr;
75 static void (*calcoffsets)(void) = calcoffsetsh;
78 appenditem(Item *i, Item **list, Item **last) {
92 w = promptw + cmdw + (2 * spaceitem);
93 for(next = curr; next; next = next->right)
94 if((w += MIN(textw(&dc, next->text), mw / 3)) > mw)
96 w = promptw + cmdw + (2 * spaceitem);
97 for(prev = curr; prev && prev->left; prev = prev->left)
98 if((w += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
107 for(i = 0; i < lines && next; i++)
109 mh = (dc.font.height + 2) * (i + 1);
110 for(i = 0; i < lines && prev && prev->left; i++)
115 cistrstr(const char *s, const char *sub) {
121 if((c = tolower(*sub++)) != '\0') {
125 if((csub = *s++) == '\0')
128 while(tolower(csub) != c);
130 while(strncasecmp(s, sub, len) != 0);
141 itm = allitems->next;
142 free(allitems->text);
147 XDestroyWindow(dpy, win);
148 XUngrabKeyboard(dpy, CurrentTime);
156 execvp("dinput", argp);
157 eprint("cannot exec dinput\n");
166 drawtext(&dc, NULL, normcol, False);
167 dc.h = dc.font.height + 2;
168 dc.y = topbar ? 0 : mh - dc.h;
172 drawtext(&dc, prompt, selcol, False);
177 if(cmdw && item && lines == 0)
179 drawtext(&dc, *text ? text : NULL, normcol, False);
184 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
194 drawtext(&dc, curr->left ? "<" : NULL, normcol, False);
196 for(i = curr; i != next; i = i->right) {
197 dc.w = MIN(textw(&dc, i->text), mw / 3);
198 drawtext(&dc, i->text, (sel == i) ? selcol : normcol, False);
203 drawtext(&dc, next ? ">" : NULL, normcol, False);
209 XWindowAttributes wa;
211 dc.y = topbar ? dc.h : 0;
213 for(i = curr; i != next; i = i->right) {
214 drawtext(&dc, i->text, (sel == i) ? selcol : normcol, False);
217 if(!XGetWindowAttributes(dpy, win, &wa))
218 eprint("cannot get window attributes");
219 XMoveResizeWindow(dpy, win, wa.x, wa.y + (topbar ? 0 : wa.height - mh), mw, mh);
226 for(len = 1000; len; len--) {
227 if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
236 kpress(XKeyEvent *e) {
237 char buf[sizeof text];
243 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
244 if(ksym == XK_KP_Enter)
246 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
247 ksym = (ksym - XK_KP_0) + XK_0;
248 else 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) {
254 switch(tolower(ksym)) {
296 while(i-- > 0 && text[i] == ' ');
297 while(i-- > 0 && text[i] != ' ');
305 num = MIN(num, sizeof text);
306 if(num && !iscntrl((int) buf[0])) {
307 memcpy(text + len, buf, num + 1);
315 for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
325 while(sel && sel->right)
338 if(!sel || !sel->left)
341 if(sel->right == curr) {
359 if(e->state & ShiftMask)
361 fprintf(stdout, "%s", sel ? sel->text : text);
367 if(!sel || !sel->right)
377 strncpy(text, sel->text, sizeof text);
385 match(char *pattern) {
387 Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
391 plen = strlen(pattern);
392 item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
393 for(i = allitems; i; i = i->next)
394 if(!fstrncmp(pattern, i->text, plen + 1))
395 appenditem(i, &lexact, &exactend);
396 else if(!fstrncmp(pattern, i->text, plen))
397 appenditem(i, &lprefix, &prefixend);
398 else if(fstrstr(i->text, pattern))
399 appenditem(i, &lsubstr, &substrend);
406 itemend->right = lprefix;
407 lprefix->left = itemend;
415 itemend->right = lsubstr;
416 lsubstr->left = itemend;
421 curr = prev = next = sel = item;
427 char *p, buf[sizeof text];
428 unsigned int len = 0, max = 0;
432 while(fgets(buf, sizeof buf, stdin)) {
434 if(buf[len-1] == '\n')
436 if(!(p = strdup(buf)))
437 eprint("cannot strdup %u bytes\n", len);
438 if((max = MAX(max, len)) == len)
440 if(!(new = malloc(sizeof *new)))
441 eprint("cannot malloc %u bytes\n", sizeof *new);
442 new->next = new->left = new->right = NULL;
456 /* main event loop */
457 while(running && !XNextEvent(dpy, &ev))
463 if(ev.xexpose.count == 0)
466 case VisibilityNotify:
467 if (ev.xvisibility.state != VisibilityUnobscured)
468 XRaiseWindow(dpy, win);
478 XineramaScreenInfo *info = NULL;
480 XModifierKeymap *modmap;
481 XSetWindowAttributes wa;
483 /* init modifier map */
484 modmap = XGetModifierMapping(dpy);
485 for(i = 0; i < 8; i++)
486 for(j = 0; j < modmap->max_keypermod; j++) {
487 if(modmap->modifiermap[i * modmap->max_keypermod + j]
488 == XKeysymToKeycode(dpy, XK_Num_Lock))
489 numlockmask = (1 << i);
491 XFreeModifiermap(modmap);
494 normcol[ColBG] = getcolor(&dc, normbgcolor);
495 normcol[ColFG] = getcolor(&dc, normfgcolor);
496 selcol[ColBG] = getcolor(&dc, selbgcolor);
497 selcol[ColFG] = getcolor(&dc, selfgcolor);
501 wa.override_redirect = True;
502 wa.background_pixmap = ParentRelative;
503 wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
505 /* menu window geometry */
506 mh = (dc.font.height + 2) * (lines + 1);
508 if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
514 if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
515 for(i = 0; i < n; i++)
516 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
520 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
528 y = topbar ? 0 : mh - DisplayHeight(dpy, screen);
529 mw = DisplayWidth(dpy, screen);
532 win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
533 DefaultDepth(dpy, screen), CopyFromParent,
534 DefaultVisual(dpy, screen),
535 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
539 cmdw = MIN(textw(&dc, maxname), mw / 3);
541 promptw = MIN(textw(&dc, prompt), mw / 5);
544 XMapRaised(dpy, win);
548 main(int argc, char *argv[]) {
551 /* command line args */
553 for(i = 1; i < argc; i++)
554 if(!strcmp(argv[i], "-i")) {
555 fstrncmp = strncasecmp;
558 else if(!strcmp(argv[i], "-b"))
560 else if(!strcmp(argv[i], "-l")) {
561 if(++i < argc) lines = atoi(argv[i]);
563 calcoffsets = calcoffsetsv;
565 else if(!strcmp(argv[i], "-fn")) {
566 if(++i < argc) font = argv[i];
568 else if(!strcmp(argv[i], "-nb")) {
569 if(++i < argc) normbgcolor = argv[i];
571 else if(!strcmp(argv[i], "-nf")) {
572 if(++i < argc) normfgcolor = argv[i];
574 else if(!strcmp(argv[i], "-p")) {
575 if(++i < argc) prompt = argv[i];
577 else if(!strcmp(argv[i], "-sb")) {
578 if(++i < argc) selbgcolor = argv[i];
580 else if(!strcmp(argv[i], "-sf")) {
581 if(++i < argc) selfgcolor = argv[i];
583 else if(!strcmp(argv[i], "-v")) {
584 printf("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
588 fputs("usage: dmenu [-i] [-b] [-l <lines>] [-fn <font>] [-nb <color>]\n"
589 " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n", stderr);
592 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
593 fprintf(stderr, "dmenu: warning: no locale support\n");
594 if(!(dpy = XOpenDisplay(NULL)))
595 eprint("cannot open display\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);
603 running = grabkeyboard();