fakefullscreen: prevent focus from drifting away from client when going from fullscreen to fake fullscreen

dwm.c

@@ -2494,7 +2494,13 @@ resizeclient(Client *c, int x, int y, int w, int h)
 		#if MONOCLE_LAYOUT
 	    || &monocle == c->mon->lt[c->mon->sellt]->arrange
 	    #endif // MONOCLE_LAYOUT
-	    ) && !c->isfullscreen && !c->isfloating
+	    )
+	    #if FAKEFULLSCREEN_CLIENT_PATCH
+	    && (c->fakefullscreen == 1 || !c->isfullscreen) && c->fakefullscreen
+	    #else
+	    && !c->isfullscreen
+	    #endif // FAKEFULLSCREEN_CLIENT_PATCH
+	    && !c->isfloating
 	    && c->mon->lt[c->mon->sellt]->arrange) {
 		c->w = wc.width += c->bw * 2;
 		c->h = wc.height += c->bw * 2;
@@ -2503,7 +2509,14 @@ resizeclient(Client *c, int x, int y, int w, int h)
 	#endif // NOBORDER_PATCH
 	XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
 	configure(c);
+	#if FAKEFULLSCREEN_CLIENT_PATCH
+	if (c->fakefullscreen == 1)
+		XSync(dpy, True);
+	else
+		XSync(dpy, False);
+	#else
 	XSync(dpy, False);
+	#endif // FAKEFULLSCREEN_CLIENT_PATCH
 }
 
 void

patch/fakefullscreenclient.c

@@ -1,27 +1,35 @@
 void
 togglefakefullscreen(const Arg *arg)
 {
-    Client *c = selmon->sel;
-    if (!c)
-        return;
+	Client *c = selmon->sel;
+	if (!c)
+		return;
 
-    if (c->fakefullscreen) {
-        if (c->isfullscreen)
-            c->fakefullscreen = 0;
-        else
-            c->isfullscreen = 0;
-    } else {
-        if (c->isfullscreen) {
-            c->isfloating = c->oldstate;
-            c->bw = c->oldbw;
-            c->x = c->oldx;
-            c->y = c->oldy;
-            c->w = c->oldw;
-            c->h = c->oldh;
-            resizeclient(c, c->x, c->y, c->w, c->h);
-        }
-        c->fakefullscreen = 1;
-        c->isfullscreen = 0;
-    }
-    setfullscreen(c, !c->isfullscreen);
+	if (c->fakefullscreen) {
+		if (c->isfullscreen) {
+			if (c->isfloating && c->fakefullscreen == 1) {
+				c->oldstate = c->isfloating;
+				c->oldx = c->x;
+				c->oldy = c->y;
+				c->oldw = c->w;
+				c->oldh = c->h;
+			}
+			c->fakefullscreen = 0;
+		}
+		else
+			c->isfullscreen = 0;
+	} else {
+		c->fakefullscreen = 1;
+		if (c->isfullscreen) {
+			c->isfloating = c->oldstate;
+			c->bw = c->oldbw;
+			c->x = c->oldx;
+			c->y = c->oldy;
+			c->w = c->oldw;
+			c->h = c->oldh;
+			resizeclient(c, c->x, c->y, c->w, c->h);
+		}
+		c->isfullscreen = 0;
+	}
+	setfullscreen(c, !c->isfullscreen);
 }