+ status = XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
+ &real, &format, &n, &extra, (unsigned char **)&p);
+ if(status != Success)
+ return -1;
+ if(n != 0)
+ result = *p;
+ XFree(p);
+ return result;
+}
+
+Bool
+gettextprop(Window w, Atom atom, char *text, unsigned int size) {
+ char **list = NULL;
+ int n;
+ XTextProperty name;
+
+ if(!text || size == 0)
+ return False;
+ text[0] = '\0';
+ XGetTextProperty(dpy, w, &name, atom);
+ if(!name.nitems)
+ return False;
+ if(name.encoding == XA_STRING)
+ strncpy(text, (char *)name.value, size - 1);
+ else {
+ if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
+ && n > 0 && *list) {
+ strncpy(text, *list, size - 1);
+ XFreeStringList(list);
+ }
+ }
+ text[size - 1] = '\0';
+ XFree(name.value);
+ return True;
+}
+
+void
+grabbuttons(Client *c, Bool focused) {
+ int i, j;
+ unsigned int buttons[] = { Button1, Button2, Button3 };
+ unsigned int modifiers[] = { MODKEY, MODKEY|LockMask, MODKEY|numlockmask,
+ MODKEY|numlockmask|LockMask} ;
+
+ XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+ if(focused)
+ for(i = 0; i < LENGTH(buttons); i++)
+ for(j = 0; j < LENGTH(modifiers); j++)
+ XGrabButton(dpy, buttons[i], modifiers[j], c->win, False,
+ BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+ else
+ XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
+ BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+}
+
+void
+grabkeys(void) {
+ unsigned int i, j;
+ KeyCode code;
+ XModifierKeymap *modmap;
+
+ /* init modifier map */
+ modmap = XGetModifierMapping(dpy);
+ for(i = 0; i < 8; i++)
+ for(j = 0; j < modmap->max_keypermod; j++) {
+ if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock))
+ numlockmask = (1 << i);
+ }
+ XFreeModifiermap(modmap);
+
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+ for(i = 0; i < LENGTH(keys); i++) {
+ code = XKeysymToKeycode(dpy, keys[i].keysym);
+ XGrabKey(dpy, code, keys[i].mod, root, True,
+ GrabModeAsync, GrabModeAsync);
+ XGrabKey(dpy, code, keys[i].mod|LockMask, root, True,
+ GrabModeAsync, GrabModeAsync);
+ XGrabKey(dpy, code, keys[i].mod|numlockmask, root, True,
+ GrabModeAsync, GrabModeAsync);
+ XGrabKey(dpy, code, keys[i].mod|numlockmask|LockMask, root, True,
+ GrabModeAsync, GrabModeAsync);
+ }
+}
+
+unsigned int
+idxoftag(const char *t) {
+ unsigned int i;
+
+ for(i = 0; (i < LENGTH(tags)) && t && strcmp(tags[i], t); i++);
+ return (i < LENGTH(tags)) ? i : 0;
+}
+
+void
+initfont(const char *fontstr) {
+ char *def, **missing;
+ int i, n;
+
+ missing = NULL;
+ if(dc.font.set)
+ XFreeFontSet(dpy, dc.font.set);
+ dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+ if(missing) {
+ while(n--)
+ fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]);
+ XFreeStringList(missing);
+ }
+ if(dc.font.set) {
+ XFontSetExtents *font_extents;
+ XFontStruct **xfonts;
+ char **font_names;
+ dc.font.ascent = dc.font.descent = 0;
+ font_extents = XExtentsOfFontSet(dc.font.set);
+ n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+ for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
+ dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
+ dc.font.descent = MAX(dc.font.descent,(*xfonts)->descent);
+ xfonts++;
+ }
+ }
+ else {
+ if(dc.font.xfont)
+ XFreeFont(dpy, dc.font.xfont);
+ dc.font.xfont = NULL;
+ if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
+ && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
+ eprint("error, cannot load font: '%s'\n", fontstr);
+ dc.font.ascent = dc.font.xfont->ascent;
+ dc.font.descent = dc.font.xfont->descent;
+ }
+ dc.font.height = dc.font.ascent + dc.font.descent;
+}
+
+Bool
+isoccupied(unsigned int t) {
+ Client *c;
+
+ for(c = clients; c; c = c->next)
+ if(c->tags[t])
+ return True;
+ return False;
+}
+
+Bool
+isprotodel(Client *c) {
+ int i, n;
+ Atom *protocols;
+ Bool ret = False;
+
+ if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
+ for(i = 0; !ret && i < n; i++)
+ if(protocols[i] == wmatom[WMDelete])
+ ret = True;
+ XFree(protocols);
+ }
+ return ret;
+}
+
+Bool
+isurgent(unsigned int t) {
+ Client *c;
+
+ for(c = clients; c; c = c->next)
+ if(c->isurgent && c->tags[t])
+ return True;
+ return False;
+}
+
+Bool
+isvisible(Client *c) {
+ unsigned int i;
+
+ for(i = 0; i < LENGTH(tags); i++)
+ if(c->tags[i] && tagset[seltags][i])
+ return True;
+ return False;
+}
+
+void
+keypress(XEvent *e) {
+ unsigned int i;
+ KeySym keysym;
+ XKeyEvent *ev;
+
+ ev = &e->xkey;
+ keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
+ for(i = 0; i < LENGTH(keys); i++)
+ if(keysym == keys[i].keysym
+ && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state))
+ {
+ if(keys[i].func)
+ keys[i].func(keys[i].arg);
+ }
+}
+
+void
+killclient(const char *arg) {
+ XEvent ev;
+
+ if(!sel)
+ return;
+ if(isprotodel(sel)) {
+ ev.type = ClientMessage;
+ ev.xclient.window = sel->win;
+ ev.xclient.message_type = wmatom[WMProtocols];
+ ev.xclient.format = 32;
+ ev.xclient.data.l[0] = wmatom[WMDelete];
+ ev.xclient.data.l[1] = CurrentTime;
+ XSendEvent(dpy, sel->win, False, NoEventMask, &ev);
+ }
+ else
+ XKillClient(dpy, sel->win);
+}
+
+void
+manage(Window w, XWindowAttributes *wa) {
+ Client *c, *t = NULL;
+ Status rettrans;
+ Window trans;
+ XWindowChanges wc;
+
+ c = emallocz(sizeof(Client));
+ c->tags = emallocz(TAGSZ);
+ c->win = w;
+
+ /* geometry */
+ c->x = wa->x;
+ c->y = wa->y;
+ c->w = c->fw = wa->width;
+ c->h = c->fh = wa->height;
+ c->oldbw = wa->border_width;
+ if(c->w == sw && c->h == sh) {
+ c->x = sx;
+ c->y = sy;
+ c->bw = wa->border_width;