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;
52 for(next = curr; next; next=next->right) {
53 tw = textw(next->text);
62 for(prev = curr; prev && prev->left; prev=prev->left) {
63 tw = textw(prev->left->text);
80 drawtext(NULL, dc.norm);
85 drawtext(text[0] ? text : NULL, dc.norm);
90 drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
93 /* determine maximum items */
94 for(i = curr; i != next; i=i->right) {
95 dc.w = textw(i->text);
98 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
104 drawtext(next ? ">" : NULL, dc.norm);
106 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
111 match(char *pattern) {
118 plen = strlen(pattern);
122 for(i = allitems; i; i=i->next)
123 if(!plen || !strncmp(pattern, i->text, plen)) {
133 for(i = allitems; i; i=i->next)
134 if(plen && strncmp(pattern, i->text, plen)
135 && strstr(i->text, pattern)) {
146 curr = prev = next = sel = item;
151 kpress(XKeyEvent * e) {
159 num = XLookupString(e, buf, sizeof(buf), &ksym, 0);
161 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
162 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
163 || IsPrivateKeypadKey(ksym))
166 /* first check if a control mask is omitted */
167 if(e->state & ControlMask) {
169 default: /* ignore other control sequences */
187 if(!(sel && sel->left))
190 if(sel->right == curr) {
198 strncpy(text, sel->text, sizeof(text));
202 if(!(sel && sel->right))
211 if((e->state & ShiftMask) && text)
212 fprintf(stdout, "%s", text);
214 fprintf(stdout, "%s", sel->text);
216 fprintf(stdout, "%s", text);
230 } while(i && nitem && prev_nitem == nitem);
235 if(num && !iscntrl((int) buf[0])) {
238 strncat(text, buf, sizeof(text));
240 strncpy(text, buf, sizeof(text));
249 static char *maxname = NULL;
251 unsigned int len = 0, max = 0;
255 while(fgets(buf, sizeof(buf), stdin)) {
257 if (buf[len - 1] == '\n')
265 new = emalloc(sizeof(Item));
266 new->next = new->left = new->right = NULL;
285 main(int argc, char *argv[]) {
288 char *normbg = NORMBGCOLOR;
289 char *normfg = NORMFGCOLOR;
290 char *selbg = SELBGCOLOR;
291 char *selfg = SELFGCOLOR;
294 struct timeval timeout;
297 XSetWindowAttributes wa;
301 /* command line args */
302 for(i = 1; i < argc; i++)
303 if(!strncmp(argv[i], "-font", 6))
305 else if(!strncmp(argv[i], "-normbg", 8))
307 else if(!strncmp(argv[i], "-normfg", 8))
309 else if(!strncmp(argv[i], "-selbg", 7))
311 else if(!strncmp(argv[i], "-selfg", 7))
313 else if(!strncmp(argv[i], "-t", 3))
314 timeout.tv_sec = atoi(argv[++i]);
315 else if(!strncmp(argv[i], "-v", 3)) {
316 fputs("dmenu-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
320 eprint("usage: dmenu [-font <name>] [-{norm,sel}{bg,fg} <color>] [-t <seconds>] [-v]\n", stdout);
322 dpy = XOpenDisplay(0);
324 eprint("dmenu: cannot open display\n");
325 screen = DefaultScreen(dpy);
326 root = RootWindow(dpy, screen);
328 /* Note, the select() construction allows to grab all keypresses as
329 * early as possible, to not loose them. But if there is no standard
330 * input supplied, we will make sure to exit after MAX_WAIT_STDIN
331 * seconds. This is convenience behavior for rapid typers.
333 while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
334 GrabModeAsync, CurrentTime) != GrabSuccess)
338 FD_SET(STDIN_FILENO, &rd);
339 if(select(ConnectionNumber(dpy) + 1, &rd, NULL, NULL, &timeout) < 1)
340 goto UninitializedEnd;
341 maxname = readstdin();
344 dc.norm[ColBG] = getcolor(normbg);
345 dc.norm[ColFG] = getcolor(normfg);
346 dc.sel[ColBG] = getcolor(selbg);
347 dc.sel[ColFG] = getcolor(selfg);
350 wa.override_redirect = 1;
351 wa.background_pixmap = ParentRelative;
352 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
355 mw = DisplayWidth(dpy, screen);
356 mh = dc.font.height + 2;
358 win = XCreateWindow(dpy, root, mx, my, mw, mh, 0,
359 DefaultDepth(dpy, screen), CopyFromParent,
360 DefaultVisual(dpy, screen),
361 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
362 XDefineCursor(dpy, win, XCreateFontCursor(dpy, XC_xterm));
365 dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
366 dc.gc = XCreateGC(dpy, root, 0, 0);
367 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
370 cmdw = textw(maxname);
376 XMapRaised(dpy, win);
380 /* main event loop */
381 while(running && !XNextEvent(dpy, &ev)) {
383 default: /* ignore all crap */
389 if(ev.xexpose.count == 0)
396 itm = allitems->next;
397 free(allitems->text);
402 XFreeFontSet(dpy, dc.font.set);
404 XFreeFont(dpy, dc.font.xfont);
405 XFreePixmap(dpy, dc.drawable);
407 XDestroyWindow(dpy, win);
409 XUngrabKeyboard(dpy, CurrentTime);