Add explanatory note about implementation.

beeware · May 1, 2023 · 14e5369 · 14e5369
1 parent 273f333
commit 14e5369
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/winforms/src/toga_winforms/app.py b/winforms/src/toga_winforms/app.py
@@ -49,6 +49,9 @@ def __init__(self, interface):
         # window-level close handling.
         self._is_exiting = False
 
+        # Winforms cursor visibility is a stack; If you call hide N times, you
+        # need to call Show N times to make the cursor re-appear. Store a local
+        # boolean to allow us to avoid building a deep stack.
         self._cursor_visible = True
 
         self.loop = WinformsProactorEventLoop()