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/cursorfont.h>
16 #include <X11/Xutil.h>
17 #include <X11/keysym.h>
19 typedef struct Item Item;
21 Item *next; /* traverses all items */
22 Item *left, *right; /* traverses items matching current search pattern */
28 static char text[4096];
29 static int mx, my, mw, mh;
32 static unsigned int cmdw = 0;
33 static Bool running = True;
34 static Item *allitems = NULL; /* first of all items */
35 static Item *item = NULL; /* first of pattern matching items */
36 static Item *sel = NULL;
37 static Item *next = NULL;
38 static Item *prev = NULL;
39 static Item *curr = NULL;
50 for(next = curr; next; next=next->right) {
51 tw = textw(next->text);
59 for(prev = curr; prev && prev->left; prev=prev->left) {
60 tw = textw(prev->left->text);
77 drawtext(NULL, dc.norm);
81 drawtext(text[0] ? text : NULL, dc.norm);
85 drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
87 /* determine maximum items */
88 for(i = curr; i != next; i=i->right) {
89 dc.w = textw(i->text);
92 drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
97 drawtext(next ? ">" : NULL, dc.norm);
99 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
104 match(char *pattern) {
110 plen = strlen(pattern);
113 for(i = allitems; i; i=i->next)
114 if(!plen || !strncmp(pattern, i->text, plen)) {
124 for(i = allitems; i; i=i->next)
125 if(plen && strncmp(pattern, i->text, plen)
126 && strstr(i->text, pattern)) {
136 curr = prev = next = sel = item;
141 kpress(XKeyEvent * e) {
149 num = XLookupString(e, buf, sizeof(buf), &ksym, 0);
150 if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
151 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
152 || IsPrivateKeypadKey(ksym))
154 /* first check if a control mask is omitted */
155 if(e->state & ControlMask) {
157 default: /* ignore other control sequences */
175 if(!(sel && sel->left))
178 if(sel->right == curr) {
186 strncpy(text, sel->text, sizeof(text));
190 if(!(sel && sel->right))
199 if((e->state & ShiftMask) && text)
200 fprintf(stdout, "%s", text);
202 fprintf(stdout, "%s", sel->text);
204 fprintf(stdout, "%s", text);
218 } while(i && nitem && prev_nitem == nitem);
223 if(num && !iscntrl((int) buf[0])) {
226 strncat(text, buf, sizeof(text));
228 strncpy(text, buf, sizeof(text));
237 static char *maxname = NULL;
239 unsigned int len = 0, max = 0;
243 while(fgets(buf, sizeof(buf), stdin)) {
245 if (buf[len - 1] == '\n')
252 new = emalloc(sizeof(Item));
253 new->next = new->left = new->right = NULL;
272 main(int argc, char *argv[]) {
275 char *normbg = NORMBGCOLOR;
276 char *normfg = NORMFGCOLOR;
277 char *selbg = SELBGCOLOR;
278 char *selfg = SELFGCOLOR;
281 struct timeval timeout;
284 XSetWindowAttributes wa;
288 /* command line args */
289 for(i = 1; i < argc; i++)
290 if(!strncmp(argv[i], "-font", 6))
292 else if(!strncmp(argv[i], "-normbg", 8))
294 else if(!strncmp(argv[i], "-normfg", 8))
296 else if(!strncmp(argv[i], "-selbg", 7))
298 else if(!strncmp(argv[i], "-selfg", 7))
300 else if(!strncmp(argv[i], "-t", 3))
301 timeout.tv_sec = atoi(argv[++i]);
302 else if(!strncmp(argv[i], "-v", 3)) {
303 fputs("dmenu-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
307 eprint("usage: dmenu [-font <name>] [-{norm,sel}{bg,fg} <color>] [-t <seconds>] [-v]\n", stdout);
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)
323 FD_SET(STDIN_FILENO, &rd);
324 if(select(ConnectionNumber(dpy) + 1, &rd, NULL, NULL, &timeout) < 1)
325 goto UninitializedEnd;
326 maxname = readstdin();
328 dc.norm[ColBG] = getcolor(normbg);
329 dc.norm[ColFG] = getcolor(normfg);
330 dc.sel[ColBG] = getcolor(selbg);
331 dc.sel[ColFG] = getcolor(selfg);
334 wa.override_redirect = 1;
335 wa.background_pixmap = ParentRelative;
336 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
338 mw = DisplayWidth(dpy, screen);
339 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));
346 dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
347 dc.gc = XCreateGC(dpy, root, 0, 0);
348 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
350 cmdw = textw(maxname);
355 XMapRaised(dpy, win);
359 /* main event loop */
360 while(running && !XNextEvent(dpy, &ev)) {
362 default: /* ignore all crap */
368 if(ev.xexpose.count == 0)
376 itm = allitems->next;
377 free(allitems->text);
382 XFreeFontSet(dpy, dc.font.set);
384 XFreeFont(dpy, dc.font.xfont);
385 XFreePixmap(dpy, dc.drawable);
387 XDestroyWindow(dpy, win);
389 XUngrabKeyboard(dpy, CurrentTime);