2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
3 * (C)opyright MMVI Sander van Dijk <a dot h dot vandijk at gmail dot com>
4 * See LICENSE file for license details.
14 #include <sys/select.h>
16 #include <X11/cursorfont.h>
17 #include <X11/Xutil.h>
18 #include <X11/keysym.h>
20 typedef struct Item Item;
22 Item *next; /* traverses all items */
23 Item *left, *right; /* traverses items matching current search pattern */
29 static char text[4096];
30 static int mx, my, mw, mh;
33 static unsigned int cmdw = 0;
34 static Bool running = True;
35 static Item *allitems = NULL; /* first of all items */
36 static Item *item = NULL; /* first of pattern matching items */
37 static Item *sel = NULL;
38 static Item *next = NULL;
39 static Item *prev = NULL;
40 static Item *curr = NULL;
53 for(next = curr; next; next=next->right) {
54 tw = textw(next->text);
63 for(prev = curr; prev && prev->left; prev=prev->left) {
64 tw = textw(prev->left->text);
82 drawtext(NULL, dc.norm);
87 drawtext(text[0] ? text : NULL, dc.norm);
92 drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
95 /* determine maximum items */
96 for(i = curr; i != next; i=i->right) {
97 dc.w = textw(i->text);
100 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
106 drawtext(next ? ">" : NULL, dc.norm);
108 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
121 plen = strlen(pattern);
125 for(i = allitems; i; i=i->next)
126 if(!plen || !strncmp(pattern, i->text, plen)) {
136 for(i = allitems; i; i=i->next)
137 if(plen && strncmp(pattern, i->text, plen)
138 && strstr(i->text, pattern)) {
149 curr = prev = next = sel = item;
154 kpress(XKeyEvent * e)
163 num = XLookupString(e, buf, sizeof(buf), &ksym, 0);
165 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
166 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
167 || IsPrivateKeypadKey(ksym))
170 /* first check if a control mask is omitted */
171 if(e->state & ControlMask) {
173 default: /* ignore other control sequences */
191 if(!(sel && sel->left))
194 if(sel->right == curr) {
202 strncpy(text, sel->text, sizeof(text));
206 if(!(sel && sel->right))
215 if(e->state & ShiftMask) {
217 fprintf(stdout, "%s", text);
220 fprintf(stdout, "%s", sel->text);
222 fprintf(stdout, "%s", text);
236 } while(i && nitem && prev_nitem == nitem);
241 if(num && !iscntrl((int) buf[0])) {
244 strncat(text, buf, sizeof(text));
246 strncpy(text, buf, sizeof(text));
256 static char *maxname = NULL;
258 unsigned int len = 0, max = 0;
262 while(fgets(buf, sizeof(buf), stdin)) {
264 if (buf[len - 1] == '\n')
272 new = emalloc(sizeof(Item));
273 new->next = new->left = new->right = NULL;
292 main(int argc, char *argv[])
296 struct timeval timeout;
299 XSetWindowAttributes wa;
301 if(argc == 2 && !strncmp("-v", argv[1], 3)) {
302 fputs("dmenu-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
306 eprint("usage: dmenu [-v]\n");
308 dpy = XOpenDisplay(0);
310 eprint("dmenu: cannot open display\n");
311 screen = DefaultScreen(dpy);
312 root = RootWindow(dpy, screen);
314 /* Note, the select() construction allows to grab all keypresses as
315 * early as possible, to not loose them. But if there is no standard
316 * input supplied, we will make sure to exit after MAX_WAIT_STDIN
317 * seconds. This is convenience behavior for rapid typers.
319 while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
320 GrabModeAsync, CurrentTime) != GrabSuccess)
324 timeout.tv_sec = STDIN_TIMEOUT;
326 FD_SET(STDIN_FILENO, &rd);
327 if(select(ConnectionNumber(dpy) + 1, &rd, NULL, NULL, &timeout) < 1)
328 goto UninitializedEnd;
329 maxname = readstdin();
332 dc.sel[ColBG] = getcolor(SELBGCOLOR);
333 dc.sel[ColFG] = getcolor(SELFGCOLOR);
334 dc.norm[ColBG] = getcolor(NORMBGCOLOR);
335 dc.norm[ColFG] = getcolor(NORMFGCOLOR);
338 wa.override_redirect = 1;
339 wa.background_pixmap = ParentRelative;
340 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
343 mw = DisplayWidth(dpy, screen);
344 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);
350 XDefineCursor(dpy, win, XCreateFontCursor(dpy, XC_xterm));
353 dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
354 dc.gc = XCreateGC(dpy, root, 0, 0);
355 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
358 cmdw = textw(maxname);
364 XMapRaised(dpy, win);
368 /* main event loop */
369 while(running && !XNextEvent(dpy, &ev)) {
371 default: /* ignore all crap */
377 if(ev.xexpose.count == 0)
385 free(allitems->text);
390 XFreeFontSet(dpy, dc.font.set);
392 XFreeFont(dpy, dc.font.xfont);
393 XFreePixmap(dpy, dc.drawable);
395 XDestroyWindow(dpy, win);
397 XUngrabKeyboard(dpy, CurrentTime);