1 /* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
2 * (C)opyright MMVI Sander van Dijk <a dot h dot vandijk at gmail dot com>
3 * See LICENSE file for license details.
13 #include <sys/select.h>
15 #include <X11/Xutil.h>
16 #include <X11/keysym.h>
18 typedef struct Item Item;
20 Item *next; /* traverses all items */
21 Item *left, *right; /* traverses items matching current search pattern */
27 static char text[4096];
28 static int mx, my, mw, mh;
31 static unsigned int cmdw = 0;
32 static Bool running = True;
33 static Item *allitems = NULL; /* first of all items */
34 static Item *item = NULL; /* first of pattern matching items */
35 static Item *sel = NULL;
36 static Item *next = NULL;
37 static Item *prev = NULL;
38 static Item *curr = NULL;
49 for(next = curr; next; next=next->right) {
50 tw = textw(next->text);
58 for(prev = curr; prev && prev->left; prev=prev->left) {
59 tw = textw(prev->left->text);
76 drawtext(NULL, dc.norm);
80 drawtext(text[0] ? text : NULL, dc.norm);
84 drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
86 /* determine maximum items */
87 for(i = curr; i != next; i=i->right) {
88 dc.w = textw(i->text);
91 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
96 drawtext(next ? ">" : NULL, dc.norm);
98 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
103 match(char *pattern) {
109 plen = strlen(pattern);
112 for(i = allitems; i; i=i->next)
113 if(!plen || !strncmp(pattern, i->text, plen)) {
123 for(i = allitems; i; i=i->next)
124 if(plen && strncmp(pattern, i->text, plen)
125 && strstr(i->text, pattern)) {
135 curr = prev = next = sel = item;
140 kpress(XKeyEvent * e) {
148 num = XLookupString(e, buf, sizeof buf, &ksym, 0);
149 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
150 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
151 || IsPrivateKeypadKey(ksym))
153 /* first check if a control mask is omitted */
154 if(e->state & ControlMask) {
156 default: /* ignore other control sequences */
174 if(!(sel && sel->left))
177 if(sel->right == curr) {
185 strncpy(text, sel->text, sizeof text);
189 if(!(sel && sel->right))
198 if((e->state & ShiftMask) && text)
199 fprintf(stdout, "%s", text);
201 fprintf(stdout, "%s", sel->text);
203 fprintf(stdout, "%s", text);
217 } while(i && nitem && prev_nitem == nitem);
222 if(num && !iscntrl((int) buf[0])) {
225 strncat(text, buf, sizeof text);
227 strncpy(text, buf, sizeof text);
236 static char *maxname = NULL;
238 unsigned int len = 0, max = 0;
242 while(fgets(buf, sizeof buf, stdin)) {
244 if (buf[len - 1] == '\n')
251 new = emalloc(sizeof(Item));
252 new->next = new->left = new->right = NULL;
271 main(int argc, char *argv[]) {
274 char *normbg = NORMBGCOLOR;
275 char *normfg = NORMFGCOLOR;
276 char *selbg = SELBGCOLOR;
277 char *selfg = SELFGCOLOR;
280 struct timeval timeout;
283 XSetWindowAttributes wa;
287 /* command line args */
288 for(i = 1; i < argc; i++)
289 if(!strncmp(argv[i], "-font", 6)) {
290 if(++i < argc) font = argv[i];
292 else if(!strncmp(argv[i], "-normbg", 8)) {
293 if(++i < argc) normbg = argv[i];
295 else if(!strncmp(argv[i], "-normfg", 8)) {
296 if(++i < argc) normfg = argv[i];
298 else if(!strncmp(argv[i], "-selbg", 7)) {
299 if(++i < argc) selbg = argv[i];
301 else if(!strncmp(argv[i], "-selfg", 7)) {
302 if(++i < argc) selfg = argv[i];
304 else if(!strncmp(argv[i], "-t", 3)) {
305 if(++i < argc) timeout.tv_sec = atoi(argv[i]);
307 else if(!strncmp(argv[i], "-v", 3)) {
308 fputs("dmenu-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
312 eprint("usage: dmenu [-font <name>] [-{norm,sel}{bg,fg} <color>] [-t <seconds>] [-v]\n", stdout);
313 setlocale(LC_CTYPE, "");
314 dpy = XOpenDisplay(0);
316 eprint("dmenu: cannot open display\n");
317 screen = DefaultScreen(dpy);
318 root = RootWindow(dpy, screen);
320 /* Note, the select() construction allows to grab all keypresses as
321 * early as possible, to not loose them. But if there is no standard
322 * input supplied, we will make sure to exit after MAX_WAIT_STDIN
323 * seconds. This is convenience behavior for rapid typers.
325 while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
326 GrabModeAsync, CurrentTime) != GrabSuccess)
329 FD_SET(STDIN_FILENO, &rd);
330 if(select(ConnectionNumber(dpy) + 1, &rd, NULL, NULL, &timeout) < 1)
331 goto UninitializedEnd;
332 maxname = readstdin();
334 dc.norm[ColBG] = getcolor(normbg);
335 dc.norm[ColFG] = getcolor(normfg);
336 dc.sel[ColBG] = getcolor(selbg);
337 dc.sel[ColFG] = getcolor(selfg);
340 wa.override_redirect = 1;
341 wa.background_pixmap = ParentRelative;
342 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
344 mw = DisplayWidth(dpy, screen);
345 mh = dc.font.height + 2;
346 win = XCreateWindow(dpy, root, mx, my, mw, mh, 0,
347 DefaultDepth(dpy, screen), CopyFromParent,
348 DefaultVisual(dpy, screen),
349 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
351 dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
352 dc.gc = XCreateGC(dpy, root, 0, 0);
353 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
355 cmdw = textw(maxname);
360 XMapRaised(dpy, win);
364 /* main event loop */
365 while(running && !XNextEvent(dpy, &ev))
367 default: /* ignore all crap */
373 if(ev.xexpose.count == 0)
380 itm = allitems->next;
381 free(allitems->text);
386 XFreeFontSet(dpy, dc.font.set);
388 XFreeFont(dpy, dc.font.xfont);
389 XFreePixmap(dpy, dc.drawable);
391 XDestroyWindow(dpy, win);
393 XUngrabKeyboard(dpy, CurrentTime);