From 6322e3e5962b032e465dfd66357a767c6f3536b3 Mon Sep 17 00:00:00 2001
From: Russell Keith-Magee <russell@keith-magee.com>
Date: Mon, 6 May 2024 08:37:44 +0800
Subject: [PATCH] Add protection against bare MOD_ keys.

---
 gtk/src/toga_gtk/keys.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gtk/src/toga_gtk/keys.py b/gtk/src/toga_gtk/keys.py
index a93d94ccb..0744027f2 100644
--- a/gtk/src/toga_gtk/keys.py
+++ b/gtk/src/toga_gtk/keys.py
@@ -166,6 +166,12 @@ GDK_KEYS = {
     Gdk.KEY_Scroll_Lock: Key.SCROLLLOCK,
     Gdk.KEY_Shift_L: Key.SHIFT,
     Gdk.KEY_Shift_R: Key.SHIFT,
+    Gdk.KEY_Control_L: Key.MOD_1,
+    Gdk.KEY_Control_R: Key.MOD_1,
+    Gdk.KEY_Alt_L: Key.MOD_2,
+    Gdk.KEY_Alt_R: Key.MOD_2,
+    Gdk.KEY_Hyper_L: Key.MOD_3,
+    Gdk.KEY_Hyper_R: Key.MOD_3,
 }
 
 GTK_KEY_NAMES = {