1 /* See LICENSE file for copyright and license details. */
8 #include <X11/keysym.h>
10 #include <X11/Xutil.h>
13 typedef struct Item Item;
16 Item *next; /* traverses all items */
17 Item *left, *right; /* traverses items matching current search pattern */
20 /* forward declarations */
21 static void appenditem(Item *i, Item **list, Item **last);
22 static void calcoffsetsh(void);
23 static void calcoffsetsv(void);
24 static char *cistrstr(const char *s, const char *sub);
25 static void cleanup(void);
26 static void dinput(void);
27 static void drawitem(const char *s, unsigned long col[ColLast]);
28 static void drawmenuh(void);
29 static void drawmenuv(void);
30 static void match(void);
31 static void readstdin(void);
34 static char **argp = NULL;
35 static char *maxname = NULL;
36 static unsigned int cmdw = 0;
37 static unsigned int lines = 0;
38 static Item *allitems = NULL; /* first of all items */
39 static Item *item = NULL; /* first of pattern matching items */
40 static Item *sel = NULL;
41 static Item *next = NULL;
42 static Item *prev = NULL;
43 static Item *curr = NULL;
44 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
45 static char *(*fstrstr)(const char *, const char *) = strstr;
46 static void (*calcoffsets)(void) = calcoffsetsh;
49 appenditem(Item *i, Item **list, Item **last) {
63 w = promptw + cmdw + textw(&dc, "<") + textw(&dc, ">");
64 for(x = w, next = curr; next; next = next->right)
65 if((x += MIN(textw(&dc, next->text), mw / 3)) > mw)
67 for(x = w, prev = curr; prev && prev->left; prev = prev->left)
68 if((x += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
77 for(i = 0; i < lines && next; i++)
79 mh = (dc.font.height + 2) * (i + 1);
80 for(i = 0; i < lines && prev && prev->left; i++)
85 cistrstr(const char *s, const char *sub) {
91 if((c = tolower(*sub++)) != '\0') {
95 if((csub = *s++) == '\0')
98 while(tolower(csub) != c);
100 while(strncasecmp(s, sub, len) != 0);
111 itm = allitems->next;
112 free(allitems->text);
117 XDestroyWindow(dpy, win);
118 XUngrabKeyboard(dpy, CurrentTime);
127 execvp("dinput", argp);
128 eprint("cannot exec dinput\n");
137 drawbox(&dc, normcol);
138 dc.h = dc.font.height + 2;
139 dc.y = topbar ? 0 : mh - dc.h;
143 drawbox(&dc, selcol);
144 drawtext(&dc, prompt, selcol);
149 if(cmdw && item && lines == 0)
151 drawtext(&dc, text, normcol);
156 commitdraw(&dc, win);
160 drawitem(const char *s, unsigned long col[ColLast]) {
162 unsigned int w = textnw(&dc, text, strlen(text));
165 drawtext(&dc, s, col);
166 for(p = fstrstr(s, text); *text && (p = fstrstr(p, text)); p++)
167 drawline(&dc, textnw(&dc, s, p-s) + dc.h/2 - 1, dc.h-2, w, 1, col);
175 dc.w = textw(&dc, "<");
176 drawtext(&dc, curr->left ? "<" : NULL, normcol);
178 for(i = curr; i != next; i = i->right) {
179 dc.w = MIN(textw(&dc, i->text), mw / 3);
180 drawitem(i->text, (sel == i) ? selcol : normcol);
183 dc.w = textw(&dc, ">");
185 drawtext(&dc, next ? ">" : NULL, normcol);
191 XWindowAttributes wa;
193 dc.y = topbar ? dc.h : 0;
195 for(i = curr; i != next; i = i->right) {
196 drawitem(i->text, (sel == i) ? selcol : normcol);
199 if(!XGetWindowAttributes(dpy, win, &wa))
200 eprint("cannot get window attributes");
201 XMoveResizeWindow(dpy, win, wa.x, wa.y + (topbar ? 0 : wa.height - mh), mw, mh);
205 kpress(XKeyEvent *e) {
206 char buf[sizeof text];
212 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
213 if(ksym == XK_KP_Enter)
215 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
216 ksym = (ksym - XK_KP_0) + XK_0;
217 else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
218 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
219 || IsPrivateKeypadKey(ksym))
221 /* first check if a control mask is omitted */
222 if(e->state & ControlMask) {
223 switch(tolower(ksym)) {
265 while(i-- > 0 && text[i] == ' ');
266 while(i-- > 0 && text[i] != ' ');
274 num = MIN(num, sizeof text);
275 if(num && !iscntrl((int) buf[0])) {
276 memcpy(text + len, buf, num + 1);
284 for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
294 while(sel && sel->right)
305 if(!sel || !sel->left)
308 if(sel->right == curr) {
326 if(e->state & ShiftMask)
328 fprintf(stdout, "%s", sel ? sel->text : text);
333 if(!sel || !sel->right)
343 strncpy(text, sel->text, sizeof text);
353 Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
356 item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
357 for(i = allitems; i; i = i->next)
358 if(!fstrncmp(text, i->text, len + 1))
359 appenditem(i, &lexact, &exactend);
360 else if(!fstrncmp(text, i->text, len))
361 appenditem(i, &lprefix, &prefixend);
362 else if(fstrstr(i->text, text))
363 appenditem(i, &lsubstr, &substrend);
370 itemend->right = lprefix;
371 lprefix->left = itemend;
379 itemend->right = lsubstr;
380 lsubstr->left = itemend;
385 curr = prev = next = sel = item;
391 char *p, buf[sizeof text];
392 unsigned int len = 0, max = 0;
396 while(fgets(buf, sizeof buf, stdin)) {
398 if(buf[len-1] == '\n')
400 if(!(p = strdup(buf)))
401 eprint("cannot strdup %u bytes\n", len);
402 if((max = MAX(max, len)) == len)
404 if(!(new = malloc(sizeof *new)))
405 eprint("cannot malloc %u bytes\n", sizeof *new);
406 new->next = new->left = new->right = NULL;
417 main(int argc, char *argv[]) {
420 /* command line args */
422 for(i = 1; i < argc; i++)
423 if(!strcmp(argv[i], "-i")) {
424 fstrncmp = strncasecmp;
427 else if(!strcmp(argv[i], "-b"))
429 else if(!strcmp(argv[i], "-l")) {
430 if(++i < argc) lines = atoi(argv[i]);
432 calcoffsets = calcoffsetsv;
434 else if(!strcmp(argv[i], "-fn")) {
435 if(++i < argc) font = argv[i];
437 else if(!strcmp(argv[i], "-nb")) {
438 if(++i < argc) normbgcolor = argv[i];
440 else if(!strcmp(argv[i], "-nf")) {
441 if(++i < argc) normfgcolor = argv[i];
443 else if(!strcmp(argv[i], "-p")) {
444 if(++i < argc) prompt = argv[i];
446 else if(!strcmp(argv[i], "-sb")) {
447 if(++i < argc) selbgcolor = argv[i];
449 else if(!strcmp(argv[i], "-sf")) {
450 if(++i < argc) selfgcolor = argv[i];
452 else if(!strcmp(argv[i], "-v")) {
453 printf("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
457 fputs("usage: dmenu [-i] [-b] [-l <lines>] [-fn <font>] [-nb <color>]\n"
458 " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n", stderr);
461 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
462 fprintf(stderr, "dmenu: warning: no locale support\n");
463 if(!(dpy = XOpenDisplay(NULL)))
464 eprint("cannot open display\n");
465 if(atexit(&cleanup) != 0)
466 eprint("cannot register cleanup\n");
467 screen = DefaultScreen(dpy);
468 root = RootWindow(dpy, screen);
469 if(!(argp = malloc(sizeof *argp * (argc+2))))
470 eprint("cannot malloc %u bytes\n", sizeof *argp * (argc+2));
471 memcpy(argp + 2, argv + 1, sizeof *argp * argc);
477 cmdw = MIN(textw(&dc, maxname), mw / 3);