util.magnify_client: toggle mode added

util/init.lua

@@ -84,6 +84,7 @@ end
 
 -- Magnify a client: Set it to "float" and resize it.
 function util.magnify_client(c)
+    if not awful.client.floating.get(c) then
         awful.client.floating.set(c, true)
 
         local mg = screen[mouse.screen].geometry
@@ -95,6 +96,9 @@ function util.magnify_client(c)
         g.x = mg.x + (mg.width - g.width) / 2
         g.y = mg.y + (mg.height - g.height) / 2
         c:geometry(g)
+    else
+        awful.client.floating.set(c, false)
+    end
 end
 
 -- Read the nice value of pid from /proc.