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) {
213 fprintf(stdout, "%s", text);
216 fprintf(stdout, "%s", sel->text);
218 fprintf(stdout, "%s", text);
232 } while(i && nitem && prev_nitem == nitem);
237 if(num && !iscntrl((int) buf[0])) {
240 strncat(text, buf, sizeof(text));
242 strncpy(text, buf, sizeof(text));
251 static char *maxname = NULL;
253 unsigned int len = 0, max = 0;
257 while(fgets(buf, sizeof(buf), stdin)) {
259 if (buf[len - 1] == '\n')
267 new = emalloc(sizeof(Item));
268 new->next = new->left = new->right = NULL;
287 main(int argc, char *argv[]) {
290 struct timeval timeout;
293 XSetWindowAttributes wa;
295 if(argc == 2 && !strncmp("-v", argv[1], 3)) {
296 fputs("dmenu-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
300 eprint("usage: dmenu [-v]\n");
302 dpy = XOpenDisplay(0);
304 eprint("dmenu: cannot open display\n");
305 screen = DefaultScreen(dpy);
306 root = RootWindow(dpy, screen);
308 /* Note, the select() construction allows to grab all keypresses as
309 * early as possible, to not loose them. But if there is no standard
310 * input supplied, we will make sure to exit after MAX_WAIT_STDIN
311 * seconds. This is convenience behavior for rapid typers.
313 while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
314 GrabModeAsync, CurrentTime) != GrabSuccess)
318 timeout.tv_sec = STDIN_TIMEOUT;
320 FD_SET(STDIN_FILENO, &rd);
321 if(select(ConnectionNumber(dpy) + 1, &rd, NULL, NULL, &timeout) < 1)
322 goto UninitializedEnd;
323 maxname = readstdin();
326 dc.sel[ColBG] = getcolor(SELBGCOLOR);
327 dc.sel[ColFG] = getcolor(SELFGCOLOR);
328 dc.norm[ColBG] = getcolor(NORMBGCOLOR);
329 dc.norm[ColFG] = getcolor(NORMFGCOLOR);
332 wa.override_redirect = 1;
333 wa.background_pixmap = ParentRelative;
334 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
337 mw = DisplayWidth(dpy, screen);
338 mh = dc.font.height + 2;
340 win = XCreateWindow(dpy, root, mx, my, mw, mh, 0,
341 DefaultDepth(dpy, screen), CopyFromParent,
342 DefaultVisual(dpy, screen),
343 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
344 XDefineCursor(dpy, win, XCreateFontCursor(dpy, XC_xterm));
347 dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
348 dc.gc = XCreateGC(dpy, root, 0, 0);
349 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
352 cmdw = textw(maxname);
358 XMapRaised(dpy, win);
362 /* main event loop */
363 while(running && !XNextEvent(dpy, &ev)) {
365 default: /* ignore all crap */
371 if(ev.xexpose.count == 0)
379 free(allitems->text);
384 XFreeFontSet(dpy, dc.font.set);
386 XFreeFont(dpy, dc.font.xfont);
387 XFreePixmap(dpy, dc.drawable);
389 XDestroyWindow(dpy, win);
391 XUngrabKeyboard(dpy, CurrentTime);