Fixed Issue #425 (hide_window will try to show a destroyed window)

terminatorlib/window.py

@@ -40,6 +40,7 @@ class Window(Container, Gtk.Window):
     title = None
     isfullscreen = None
     ismaximised = None
+    isDestroyed = False
     hidebound = None
     hidefunc = None
     losefocus_time = 0
@@ -302,12 +303,14 @@ class Window(Container, Gtk.Window):
             terminal.close()
         self.cnxids.remove_all()
         self.terminator.deregister_window(self)
+        self.isDestroyed = True
         self.destroy()
         del(self)
 
     def on_hide_window(self, data=None):
         """Handle a request to hide/show the window"""
 
+        if not self.isDestroyed:
             if not self.get_property('visible'):
                 #Don't show if window has just been hidden because of
                 #lost focus