Action for toggling always on top mode

beeref/actions/actions.py

@@ -194,4 +194,10 @@ actions = [
         'checkable': True,
         'callback': 'on_action_fullscreen',
     },
+    {
+        'id': 'always_on_top',
+        'text': '&Always On Top',
+        'checkable': True,
+        'callback': 'on_action_always_on_top',
+    },
 ]

beeref/actions/menu_structure.py

@@ -48,6 +48,7 @@ menu_structure = [
             'fit_selection',
             MENU_SEPARATOR,
             'fullscreen',
+            'always_on_top',
             'show_scrollbars',
         ],
     },

beeref/view.py

@@ -148,6 +148,13 @@ class BeeGraphicsView(QtWidgets.QGraphicsView, ActionsMixin):
         else:
             self.parent().showNormal()
 
+    def on_action_always_on_top(self, checked):
+        self.parent().setWindowFlag(
+            Qt.WindowFlags.WindowStaysOnTopHint, on=checked)
+        self.parent().destroy()
+        self.parent().create()
+        self.parent().show()
+
     def on_action_show_scrollbars(self, checked):
         if checked:
             self.setHorizontalScrollBarPolicy(