+static void
+setup(void) {
+ int i, j;
+ unsigned int mask;
+ Window w;
+ XModifierKeymap *modmap;
+ XSetWindowAttributes wa;
+
+ /* init atoms */
+ wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
+ wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
+ wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
+ netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
+ netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
+ XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
+ PropModeReplace, (unsigned char *) netatom, NetLast);
+ /* init cursors */
+ cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
+ cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
+ cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
+ /* init modifier map */
+ numlockmask = 0;
+ 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);
+ /* select for events */
+ wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
+ | EnterWindowMask | LeaveWindowMask;
+ wa.cursor = cursor[CurNormal];
+ XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
+ grabkeys();
+ compileregexps();
+ for(ntags = 0; tags[ntags]; ntags++);
+ seltag = emallocz(sizeof(Bool) * ntags);
+ seltag[0] = True;
+ /* style */
+ dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
+ dc.norm[ColBG] = getcolor(NORMBGCOLOR);
+ dc.norm[ColFG] = getcolor(NORMFGCOLOR);
+ dc.sel[ColBorder] = getcolor(SELBORDERCOLOR);
+ dc.sel[ColBG] = getcolor(SELBGCOLOR);
+ dc.sel[ColFG] = getcolor(SELFGCOLOR);
+ setfont(FONT);
+ /* geometry */
+ sx = sy = 0;
+ sw = DisplayWidth(dpy, screen);
+ sh = DisplayHeight(dpy, screen);
+ bmw = textw(TILESYMBOL) > textw(FLOATSYMBOL) ? textw(TILESYMBOL) : textw(FLOATSYMBOL);
+ /* bar */
+ dc.h = bh = dc.font.height + 2;
+ wa.override_redirect = 1;
+ wa.background_pixmap = ParentRelative;
+ wa.event_mask = ButtonPressMask | ExposureMask;
+ barwin = XCreateWindow(dpy, root, sx, sy + (TOPBAR ? 0 : sh - bh), sw, bh, 0,
+ DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
+ CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
+ XDefineCursor(dpy, barwin, cursor[CurNormal]);
+ XMapRaised(dpy, barwin);
+ strcpy(stext, "dwm-"VERSION);
+ /* windowarea */
+ wax = sx;
+ way = sy + (TOPBAR ? bh : 0);
+ wah = sh - bh;
+ waw = sw;
+ /* pixmap for everything */
+ dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
+ dc.gc = XCreateGC(dpy, root, 0, 0);
+ XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
+ /* multihead support */
+ selscreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
+}
+
+/*
+ * Startup Error handler to check if another window manager
+ * is already running.
+ */
+static int
+xerrorstart(Display *dsply, XErrorEvent *ee) {
+ otherwm = True;
+ return -1;
+}
+
+/* extern */
+
+void
+drawstatus(void) {
+ int i, x;
+
+ dc.x = dc.y = 0;
+ for(i = 0; i < ntags; i++) {
+ dc.w = textw(tags[i]);
+ if(seltag[i])
+ drawtext(tags[i], dc.sel, sel && sel->tags[i], isoccupied(i));
+ else
+ drawtext(tags[i], dc.norm, sel && sel->tags[i], isoccupied(i));
+ dc.x += dc.w;
+ }
+ dc.w = bmw;
+ drawtext(arrange == dofloat ? FLOATSYMBOL : TILESYMBOL, dc.norm, False, False);
+ x = dc.x + dc.w;
+ dc.w = textw(stext);
+ dc.x = sw - dc.w;
+ if(dc.x < x) {
+ dc.x = x;
+ dc.w = sw - x;