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(void);
52 static char **argp = NULL;
53 static char *maxname = NULL;
54 static char *prompt = NULL;
55 static char text[4096];
57 static int promptw = 0;
60 static unsigned int lines = 0;
61 static unsigned int numlockmask = 0;
62 static unsigned int mw, mh;
63 static unsigned long normcol[ColLast];
64 static unsigned long selcol[ColLast];
65 static Bool running = True;
66 static Bool topbar = True;
69 static Item *allitems = NULL; /* first of all items */
70 static Item *item = NULL; /* first of pattern matching items */
71 static Item *sel = NULL;
72 static Item *next = NULL;
73 static Item *prev = NULL;
74 static Item *curr = NULL;
75 static Window win, parent;
76 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
77 static char *(*fstrstr)(const char *, const char *) = strstr;
78 static void (*calcoffsets)(void) = calcoffsetsh;
81 appenditem(Item *i, Item **list, Item **last) {
95 w = promptw + cmdw + (2 * spaceitem);
96 for(next = curr; next; next = next->right)
97 if((w += MIN(textw(&dc, next->text), mw / 3)) > mw)
99 w = promptw + cmdw + (2 * spaceitem);
100 for(prev = curr; prev && prev->left; prev = prev->left)
101 if((w += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
110 for(i = 0; i < lines && next; i++)
112 for(i = 0; i < lines && prev && prev->left; i++)
117 cistrstr(const char *s, const char *sub) {
123 if((c = tolower(*sub++)) != '\0') {
127 if((csub = *s++) == '\0')
130 while(tolower(csub) != c);
132 while(strncasecmp(s, sub, len) != 0);
143 itm = allitems->next;
144 free(allitems->text);
149 XDestroyWindow(dpy, win);
150 XUngrabKeyboard(dpy, CurrentTime);
158 execvp("dinput", argp);
159 eprint("cannot exec dinput\n");
168 drawtext(&dc, NULL, normcol, False);
172 drawtext(&dc, prompt, selcol, False);
177 if(cmdw && item && lines == 0)
179 drawtext(&dc, *text ? text : NULL, normcol, False);
186 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
196 drawtext(&dc, curr->left ? "<" : NULL, normcol, False);
198 for(i = curr; i != next; i = i->right) {
199 dc.w = MIN(textw(&dc, i->text), mw / 3);
200 drawtext(&dc, i->text, (sel == i) ? selcol : normcol, False);
205 drawtext(&dc, next ? ">" : NULL, normcol, False);
213 dc.h = dc.font.height + 2;
215 for(i = curr; i != next; i = i->right) {
216 drawtext(&dc, i->text, (sel == i) ? selcol : normcol, False);
220 drawtext(&dc, NULL, normcol, False);
227 for(len = 1000; len; len--) {
228 if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
237 kpress(XKeyEvent *e) {
238 char buf[sizeof text];
244 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
245 if(ksym == XK_KP_Enter)
247 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
248 ksym = (ksym - XK_KP_0) + XK_0;
249 else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
250 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
251 || IsPrivateKeypadKey(ksym))
253 /* first check if a control mask is omitted */
254 if(e->state & ControlMask) {
255 switch(tolower(ksym)) {
297 while(i-- > 0 && text[i] == ' ');
298 while(i-- > 0 && text[i] != ' ');
309 num = MIN(num, sizeof text);
310 if(num && !iscntrl((int) buf[0])) {
311 memcpy(text + len, buf, num + 1);
319 for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
329 while(sel && sel->right)
342 if(!sel || !sel->left)
345 if(sel->right == curr) {
363 if((e->state & ShiftMask) || !sel)
364 fprintf(stdout, "%s", text);
366 fprintf(stdout, "%s", sel->text);
372 if(!sel || !sel->right)
382 strncpy(text, sel->text, sizeof text);
390 match(char *pattern) {
392 Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
396 plen = strlen(pattern);
397 item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
398 for(i = allitems; i; i = i->next)
399 if(!fstrncmp(pattern, i->text, plen + 1))
400 appenditem(i, &lexact, &exactend);
401 else if(!fstrncmp(pattern, i->text, plen))
402 appenditem(i, &lprefix, &prefixend);
403 else if(fstrstr(i->text, pattern))
404 appenditem(i, &lsubstr, &substrend);
411 itemend->right = lprefix;
412 lprefix->left = itemend;
420 itemend->right = lsubstr;
421 lsubstr->left = itemend;
426 curr = prev = next = sel = item;
432 char *p, buf[sizeof text];
433 unsigned int len = 0, max = 0;
437 while(fgets(buf, sizeof buf, stdin)) {
439 if(buf[len-1] == '\n')
441 if(!(p = strdup(buf)))
442 eprint("cannot strdup %u bytes\n", len);
443 if((max = MAX(max, len)) == len)
445 if(!(new = malloc(sizeof *new)))
446 eprint("cannot malloc %u bytes\n", sizeof *new);
447 new->next = new->left = new->right = NULL;
461 /* main event loop */
462 while(running && !XNextEvent(dpy, &ev))
468 if(ev.xexpose.count == 0)
471 case VisibilityNotify:
472 if (ev.xvisibility.state != VisibilityUnobscured)
473 XRaiseWindow(dpy, win);
483 XineramaScreenInfo *info = NULL;
485 XModifierKeymap *modmap;
486 XSetWindowAttributes wa;
487 XWindowAttributes pwa;
489 /* init modifier map */
490 modmap = XGetModifierMapping(dpy);
491 for(i = 0; i < 8; i++)
492 for(j = 0; j < modmap->max_keypermod; j++) {
493 if(modmap->modifiermap[i * modmap->max_keypermod + j]
494 == XKeysymToKeycode(dpy, XK_Num_Lock))
495 numlockmask = (1 << i);
497 XFreeModifiermap(modmap);
500 normcol[ColBG] = getcolor(&dc, normbgcolor);
501 normcol[ColFG] = getcolor(&dc, normfgcolor);
502 selcol[ColBG] = getcolor(&dc, selbgcolor);
503 selcol[ColFG] = getcolor(&dc, selfgcolor);
507 wa.override_redirect = True;
508 wa.background_pixmap = ParentRelative;
509 wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
511 /* menu window geometry */
512 mh = (dc.font.height + 2) * (lines + 1);
514 if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
520 if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui))
521 for(i = 0; i < n; i++)
522 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
526 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
533 if(!XGetWindowAttributes(dpy, parent, &pwa))
534 eprint("cannot get window attributes");
536 y = topbar ? 0 : pwa.height - mh;
540 win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
541 DefaultDepth(dpy, screen), CopyFromParent,
542 DefaultVisual(dpy, screen),
543 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
547 cmdw = MIN(textw(&dc, maxname), mw / 3);
549 promptw = MIN(textw(&dc, prompt), mw / 5);
552 XMapRaised(dpy, win);
556 main(int argc, char *argv[]) {
559 /* command line args */
561 for(i = 1; i < argc; i++)
562 if(!strcmp(argv[i], "-i")) {
563 fstrncmp = strncasecmp;
566 else if(!strcmp(argv[i], "-b"))
568 else if(!strcmp(argv[i], "-e")) {
569 if(++i < argc) parent = atoi(argv[i]);
571 else if(!strcmp(argv[i], "-l")) {
572 if(++i < argc) lines = atoi(argv[i]);
574 calcoffsets = calcoffsetsv;
576 else if(!strcmp(argv[i], "-fn")) {
577 if(++i < argc) font = argv[i];
579 else if(!strcmp(argv[i], "-nb")) {
580 if(++i < argc) normbgcolor = argv[i];
582 else if(!strcmp(argv[i], "-nf")) {
583 if(++i < argc) normfgcolor = argv[i];
585 else if(!strcmp(argv[i], "-p")) {
586 if(++i < argc) prompt = argv[i];
588 else if(!strcmp(argv[i], "-sb")) {
589 if(++i < argc) selbgcolor = argv[i];
591 else if(!strcmp(argv[i], "-sf")) {
592 if(++i < argc) selfgcolor = argv[i];
594 else if(!strcmp(argv[i], "-v")) {
595 printf("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
599 fputs("usage: dmenu [-i] [-b] [-e <xid>] [-l <lines>] [-fn <font>] [-nb <color>]\n"
600 " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n", stderr);
603 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
604 fprintf(stderr, "dmenu: warning: no locale support\n");
605 if(!(dpy = XOpenDisplay(NULL)))
606 eprint("cannot open display\n");
607 screen = DefaultScreen(dpy);
609 parent = RootWindow(dpy, screen);
610 if(!(argp = malloc(sizeof *argp * (argc+2))))
611 eprint("cannot malloc %u bytes\n", sizeof *argp * (argc+2));
612 memcpy(argp + 2, argv + 1, sizeof *argp * argc);
615 running = grabkeyboard();