From ade6f33cd797e4a3ff801633812957521e38e960 Mon Sep 17 00:00:00 2001
From: Ulf Wohlers <finsterr@users.sourceforge.net>
Date: Thu, 30 Jan 2003 15:40:57 +0000
Subject: [PATCH] fixed tab key stuck when switching tasks (no keyboard
 response)

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@658
---
 src/gui/sdlmain.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gui/sdlmain.cpp b/src/gui/sdlmain.cpp
index 20561a6b..8851f8f7 100644
--- a/src/gui/sdlmain.cpp
+++ b/src/gui/sdlmain.cpp
@@ -458,7 +458,10 @@ static void HandleVideoResize(SDL_ResizeEvent * resize) {
 
 }
 
+static Bit8u laltstate = SDL_KEYUP;
+
 void GFX_Events() {
+	
 	SDL_Event event;
 	while (SDL_PollEvent(&event)) {
 	    switch (event.type) {
@@ -471,6 +474,9 @@ void GFX_Events() {
 			break;
 		case SDL_KEYDOWN:
 		case SDL_KEYUP:
+			// ignore event lalt+tab
+			if (event.key.keysym.sym==SDLK_LALT) laltstate = event.key.type;
+			if ((event.key.keysym.sym==SDLK_TAB) && (laltstate==SDL_KEYDOWN)) break;
 			HandleKey(&event.key);
 			break;
 		case SDL_MOUSEMOTION: