1 /* See LICENSE file for copyright and license details. */
10 #include <X11/keysym.h>
12 #include <X11/Xutil.h>
14 #include <X11/extensions/Xinerama.h>
18 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
19 #define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
20 #define MIN(a, b) ((a) < (b) ? (a) : (b))
21 #define MAX(a, b) ((a) > (b) ? (a) : (b))
22 #define IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
24 typedef struct Item Item;
27 Item *next; /* traverses all items */
28 Item *left, *right; /* traverses items matching current search pattern */
31 /* forward declarations */
32 static void appenditem(Item *i, Item **list, Item **last);
33 static void calcoffsetsh(void);
34 static void calcoffsetsv(void);
35 static char *cistrstr(const char *s, const char *sub);
36 static void cleanup(void);
37 static void dinput(void);
38 static void drawmenu(void);
39 static void drawmenuh(void);
40 static void drawmenuv(void);
41 static Bool grabkeyboard(void);
42 static void kpress(XKeyEvent * e);
43 static void match(char *pattern);
44 static void readstdin(void);
45 static void run(void);
46 static void setup(Bool topbar);
52 static char *maxname = NULL;
53 static char *prompt = NULL;
54 static char text[4096];
56 static int promptw = 0;
59 static unsigned int lines = 0;
60 static unsigned int numlockmask = 0;
61 static unsigned int mw, mh;
62 static unsigned long normcol[ColLast];
63 static unsigned long selcol[ColLast];
64 static Bool running = True;
67 static Item *allitems = NULL; /* first of all items */
68 static Item *item = NULL; /* first of pattern matching items */
69 static Item *sel = NULL;
70 static Item *next = NULL;
71 static Item *prev = NULL;
72 static Item *curr = NULL;
73 static Window win, parent;
74 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
75 static char *(*fstrstr)(const char *, const char *) = strstr;
76 static void (*calcoffsets)(void) = calcoffsetsh;
79 appenditem(Item *i, Item **list, Item **last) {
93 w = promptw + cmdw + (2 * spaceitem);
94 for(next = curr; next; next = next->right)
95 if((w += MIN(textw(&dc, next->text), mw / 3)) > mw)
97 w = promptw + cmdw + (2 * spaceitem);
98 for(prev = curr; prev && prev->left; prev = prev->left)
99 if((w += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
108 for(i = 0; i < lines && next; i++)
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);
154 execlp("dinput", "dinput", text, NULL); /* todo: argv */
155 eprint("cannot exec dinput\n");
164 drawtext(&dc, NULL, normcol);
168 drawtext(&dc, prompt, selcol);
173 if(cmdw && item && lines == 0)
175 drawtext(&dc, *text ? text : NULL, normcol);
182 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
192 drawtext(&dc, curr->left ? "<" : NULL, normcol);
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);
201 drawtext(&dc, next ? ">" : NULL, normcol);
209 dc.h = dc.font.height + 2;
211 for(i = curr; i != next; i=i->right) {
212 drawtext(&dc, i->text, (sel == i) ? selcol : normcol);
216 drawtext(&dc, NULL, normcol);
223 for(len = 1000; len; len--) {
224 if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
233 kpress(XKeyEvent * e) {
234 char buf[sizeof text];
240 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
241 if(ksym == XK_KP_Enter)
243 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
244 ksym = (ksym - XK_KP_0) + XK_0;
245 else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
246 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
247 || IsPrivateKeypadKey(ksym))
249 /* first check if a control mask is omitted */
250 if(e->state & ControlMask) {
251 switch(tolower(ksym)) {
292 while(i-- > 0 && text[i] == ' ');
293 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)
337 if(!sel || !sel->left)
340 if(sel->right == curr) {
358 if((e->state & ShiftMask) || !sel)
359 fprintf(stdout, "%s", text);
361 fprintf(stdout, "%s", sel->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;
482 XWindowAttributes pwa;
484 /* init modifier map */
485 modmap = XGetModifierMapping(dpy);
486 for(i = 0; i < 8; i++)
487 for(j = 0; j < modmap->max_keypermod; j++) {
488 if(modmap->modifiermap[i * modmap->max_keypermod + j]
489 == XKeysymToKeycode(dpy, XK_Num_Lock))
490 numlockmask = (1 << i);
492 XFreeModifiermap(modmap);
495 normcol[ColBG] = getcolor(&dc, normbgcolor);
496 normcol[ColFG] = getcolor(&dc, normfgcolor);
497 selcol[ColBG] = getcolor(&dc, selbgcolor);
498 selcol[ColFG] = getcolor(&dc, selfgcolor);
502 wa.override_redirect = True;
503 wa.background_pixmap = ParentRelative;
504 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
506 /* menu window geometry */
507 mh = (dc.font.height + 2) * (lines + 1);
509 if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
515 if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui))
516 for(i = 0; i < n; i++)
517 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
521 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
528 XGetWindowAttributes(dpy, parent, &pwa);
530 y = topbar ? 0 : pwa.height - mh;
534 win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
535 DefaultDepth(dpy, screen), CopyFromParent,
536 DefaultVisual(dpy, screen),
537 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
541 cmdw = MIN(textw(&dc, maxname), mw / 3);
543 promptw = MIN(textw(&dc, prompt), mw / 5);
546 XMapRaised(dpy, win);
550 main(int argc, char *argv[]) {
554 /* command line args */
556 for(i = 1; i < argc; i++)
557 if(!strcmp(argv[i], "-i")) {
558 fstrncmp = strncasecmp;
561 else if(!strcmp(argv[i], "-b"))
563 else if(!strcmp(argv[i], "-e")) {
564 if(++i < argc) parent = atoi(argv[i]);
566 else if(!strcmp(argv[i], "-l")) {
567 if(++i < argc) lines = atoi(argv[i]);
569 calcoffsets = calcoffsetsv;
571 else if(!strcmp(argv[i], "-fn")) {
572 if(++i < argc) font = argv[i];
574 else if(!strcmp(argv[i], "-nb")) {
575 if(++i < argc) normbgcolor = argv[i];
577 else if(!strcmp(argv[i], "-nf")) {
578 if(++i < argc) normfgcolor = argv[i];
580 else if(!strcmp(argv[i], "-p")) {
581 if(++i < argc) prompt = argv[i];
583 else if(!strcmp(argv[i], "-sb")) {
584 if(++i < argc) selbgcolor = argv[i];
586 else if(!strcmp(argv[i], "-sf")) {
587 if(++i < argc) selfgcolor = argv[i];
589 else if(!strcmp(argv[i], "-v"))
590 eprint("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
592 eprint("usage: dmenu [-i] [-b] [-e <xid>] [-l <lines>] [-fn <font>] [-nb <color>]\n"
593 " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
594 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
595 fprintf(stderr, "dmenu: warning: no locale support\n");
596 if(!(dpy = XOpenDisplay(NULL)))
597 eprint("cannot open display\n");
598 screen = DefaultScreen(dpy);
600 parent = RootWindow(dpy, screen);
603 running = grabkeyboard();