grabbuttons() and grabkeys() are now independent from prior numlockmask initialization

dwm.c

@@ -191,6 +191,7 @@ static void unmanage(Client *c);
 static void unmapnotify(XEvent *e);
 static void updatebar(void);
 static void updategeom(void);
+static void updatenumlockmask(void);
 static void updatesizehints(Client *c);
 static void updatetitle(Client *c);
 static void updatewmhints(Client *c);
@@ -735,9 +736,10 @@ gettextprop(Window w, Atom atom, char *text, unsigned int size) {
 
 void
 grabbuttons(Client *c, Bool focused) {
+	updatenumlockmask();
+	{
 		unsigned int i, j;
 		unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
-
 		XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
 		if(focused) {
 			for(i = 0; i < LENGTH(buttons); i++)
@@ -748,21 +750,13 @@ grabbuttons(Client *c, Bool focused) {
 			XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
 			            BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
 	}
+}
 
 void
 grabkeys(void) {
-	unsigned int i, j;
-	XModifierKeymap *modmap;
-
-	/* update 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);
-
+	updatenumlockmask();
 	{ /* grab keys */
+		unsigned int i, j;
 		unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
 		KeyCode code;
 
@@ -1575,6 +1569,20 @@ updategeom(void) {
 	by = showbar ? (topbar ? wy - bh : wy + wh) : -bh;
 }
 
+void
+updatenumlockmask(void) {
+	unsigned int i, j;
+	XModifierKeymap *modmap;
+
+	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);
+}
+
 void
 updatesizehints(Client *c) {
 	long msize;