Fix Windows context menu

Author: probonopd

spatial.py

@@ -868,8 +868,7 @@ def text_label_deactivate(self):
 
     def show_context_menu(self, pos):
         # On Windows, use windows_context_menu.py
-        if sys.platform == "win32":
-            import windows_context_menu
+        if sys.platform == "win32" and self.path is not None:
             windows_context_menu.show_context_menu(self.path)
         else:
             context_menu = QMenu(self)

windows_context_menu.py

@@ -36,6 +36,10 @@ def show_context_menu(paths: Sequence[os.PathLike | str]):
         paths = [_safe_path_parse(p) for p in paths]
     else:
         return
+    
+    if not paths:
+        print("No usable paths provided.")
+        return
 
     menu = QMenu()
 
@@ -48,25 +52,39 @@ def show_context_menu(paths: Sequence[os.PathLike | str]):
     # FIXME: Handle multiple items; currently only the first item is used. This might mean that we need to get the Verbs in a different way?
     # TODO: Check if https://github.com/NickHugi/PyKotor/blob/master/Libraries/Utility/src/utility/system/windows_context_menu.py handles multiple items better
     # May need to take a look at SHMultiFileProperties and https://stackoverflow.com/a/34551988/1839209.
+    if items[0] is None:
+        print("Could not retrieve context menu items.")
+        return
     verbs = items[0].Verbs()
-    for verb in verbs:
-        if verb.Name:
-            app = QApplication.instance()
-            action = QAction(verb.Name, app)
-            # Copying the path does not work using the default context menu action,
-            # hence we override it
-            # FIXME: Find a way that works independently of the language
-            if "path" or "Pfad" in verb.Name:
-                # Copy path to clipboard
-                action.triggered.connect(lambda _, p=paths[0]: app.clipboard().setText(str(p)))
+    if verbs is not None:
+        for verb in verbs:
+            if verb.Name:
+                app = QApplication.instance()
+                action = QAction(verb.Name, app)
+                # Copying the path does not work using the default context menu action,
+                # hence we override it
+                # FIXME: Find a way that works independently of the language
+                if "path" in verb.Name or "Pfad" in verb.Name:
+                    # Copy path to clipboard
+                    action.triggered.connect(lambda _, p=paths[0]: copy_path_to_clipboard(p))
+                else:
+                    action.triggered.connect(lambda _, v=verb: execute_verb(v))
+                menu.addAction(action)
             else:
-                action.triggered.connect(lambda _, v=verb: execute_verb(v))
-            menu.addAction(action)
-        else:
-            menu.addSeparator()
+                menu.addSeparator()
 
     menu.exec(QCursor.pos())
 
+def copy_path_to_clipboard(path):
+    """
+    Copy the specified path to the clipboard.
+    """
+    print(f"Copying path to clipboard: {path}")
+    app = QApplication.instance()
+    if app is None:
+        app = QApplication([])
+    app.clipboard().setText(str(path))
+
 
 def execute_verb(verb):
     """
@@ -75,8 +93,8 @@ def execute_verb(verb):
     Args:
         verb: The verb to execute.
     """
+    print(f"Executing verb: {verb.Name}")
     try:
-        print(f"Executing verb: {verb.Name}")
         verb.DoIt()
     except Exception as e:
         show_error_message(f"An error occurred while executing the action: {e}")