From 4c03c9434b3f0a18ba34ca926dc7ede86dc1c75d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Prei=C3=9F?= <joerg.preiss@slesa.de>
Date: Sun, 5 May 2019 04:23:52 +0200
Subject: [PATCH] Make Alt+Hotkey in menus work (#194)

---
 Terminal.Gui/Views/Menu.cs | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/Terminal.Gui/Views/Menu.cs b/Terminal.Gui/Views/Menu.cs
index 6d0a0c3c6..4cfa4c52b 100644
--- a/Terminal.Gui/Views/Menu.cs
+++ b/Terminal.Gui/Views/Menu.cs
@@ -407,12 +407,36 @@ namespace Terminal.Gui {
 			OpenMenu (selected);
 		}
 
-		public override bool ProcessHotKey (KeyEvent kb)
+                internal bool FindAndOpenMenuByHotkey(KeyEvent kb)
+                {
+                    int pos = 0;
+                    var c = ((uint)kb.Key & (uint)Key.CharMask);
+	            for (int i = 0; i < Menus.Length; i++)
+                    {
+			    // TODO: this code is duplicated, hotkey should be part of the MenuBarItem
+                            var mi = Menus[i];
+                            int p = mi.Title.IndexOf('_');
+                            if (p != -1 && p + 1 < mi.Title.Length) {
+                                    if (mi.Title[p + 1] == c) {
+			                    OpenMenu(i);
+			                    return true;
+                                    }
+                            }
+                    }
+	            return false;
+                }
+
+	        public override bool ProcessHotKey (KeyEvent kb)
 		{
 			if (kb.Key == Key.F9) {
 				StartMenu ();
 				return true;
 			}
+
+                        if (kb.IsAlt)
+                        {
+                            if (FindAndOpenMenuByHotkey(kb)) return true;
+                        }
 			var kc = kb.KeyValue;
 
 			return base.ProcessHotKey (kb);