Added dispose routine for the menubar

TermTk/TTkCore/shortcut.py

@@ -75,6 +75,14 @@ class TTkShortcut():
             TTkShortcut._shortcuts[key] = []
         TTkShortcut._shortcuts[key].append(self)
 
+    def dispose(self):
+        self.activated.clear()
+        if self._key in TTkShortcut._shortcuts:
+            if self in TTkShortcut._shortcuts[self._key]:
+                TTkShortcut._shortcuts[self._key].remove(self)
+            if not TTkShortcut._shortcuts[self._key]:
+                del TTkShortcut._shortcuts[self._key]
+
     @staticmethod
     def processKey(key, focusWidget):
         # TTkLog.debug(f"{str(key)=}")

TermTk/TTkWidgets/frame.py

@@ -72,6 +72,15 @@ class TTkFrame(TTkContainer):
         super().__init__(*args, **kwargs)
         self.setBorder(self._border)
 
+    def dispose(self):
+        if self._menubarTop:
+            self._menubarTop.dispose()
+        if self._menubarBottom:
+            self._menubarBottom.dispose()
+        self._menubarTop = None
+        self._menubarBottom = None
+        super().dispose()
+
     def newMenubarTop(self):
         '''newMenubarTop
 

TermTk/TTkWidgets/menubar.py

@@ -80,9 +80,10 @@ class TTkMenuBarButton(TTkMenuButton):
 
 class TTkMenuBarLayout(TTkHBoxLayout):
     '''TTkMenuBarLayout'''
-    __slots__ = ('_itemsLeft', '_itemsCenter', '_itemsRight', '_buttons')
+    __slots__ = ('_itemsLeft', '_itemsCenter', '_itemsRight', '_buttons', '_shortcuts')
     def __init__(self, *args, **kwargs):
         self._buttons = []
+        self._shortcuts = []
         TTkHBoxLayout.__init__(self, *args, **kwargs)
         self._itemsLeft   = TTkHBoxLayout()
         self._itemsCenter = TTkHBoxLayout()
@@ -101,6 +102,7 @@ class TTkMenuBarLayout(TTkHBoxLayout):
         for ch in shortcuts:
             shortcut = TTkShortcut(key=TTkK.ALT | ord(ch.upper()))
             shortcut.activated.connect(button.shortcutEvent)
+            self._shortcuts.append(shortcut)
         self._mbItems(alignment).addWidget(button)
         self._buttons.append(button)
         self.update()
@@ -121,3 +123,9 @@ class TTkMenuBarLayout(TTkHBoxLayout):
         self._itemsLeft.removeItems(self._itemsLeft.children())
         self._itemsCenter.removeItems(self._itemsCenter.children())
         self._itemsRight.removeItems(self._itemsRight.children())
+
+    def dispose(self):
+        for sc in self._shortcuts:
+            sc.dispose()
+        self._shortcuts = []
+