From ca78975abfe7b2517a7c090a06abfdad065475b7 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Wed, 15 Nov 2017 21:09:05 +0100
Subject: [PATCH] added fix to prevent Windows from complaining about program
 not responding

---
 src/init.c           | 3 +++
 src/libgame/system.c | 6 ++++++
 src/libgame/system.h | 1 +
 src/tools.c          | 3 +++
 4 files changed, 13 insertions(+)

diff --git a/src/init.c b/src/init.c
index 2a5807a4..884ee541 100644
--- a/src/init.c
+++ b/src/init.c
@@ -97,6 +97,9 @@ void DrawInitAnim()
   int sync_frame = FrameCounter;
   int x, y;
 
+  /* prevent OS (Windows) from complaining about program not responding */
+  CheckQuitEvent();
+
   if (game_status != GAME_MODE_LOADING)
     return;
 
diff --git a/src/libgame/system.c b/src/libgame/system.c
index 4f90a2d1..6d2b222a 100644
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -1507,6 +1507,12 @@ void PeekEvent(Event *event)
 #endif
 }
 
+void CheckQuitEvent(void)
+{
+  if (SDL_QuitRequested())
+    program.exit_function(0);
+}
+
 Key GetEventKey(KeyEvent *event, boolean with_modifiers)
 {
 #if defined(TARGET_SDL2)
diff --git a/src/libgame/system.h b/src/libgame/system.h
index b2187d78..216ca6a6 100644
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -1546,6 +1546,7 @@ void SetAudioMode(boolean);
 boolean PendingEvent(void);
 void NextEvent(Event *event);
 void PeekEvent(Event *event);
+void CheckQuitEvent(void);
 Key GetEventKey(KeyEvent *, boolean);
 KeyMod HandleKeyModState(Key, int);
 KeyMod GetKeyModState();
diff --git a/src/tools.c b/src/tools.c
index 324bd45b..327d8843 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -4866,6 +4866,9 @@ unsigned int MoveDoor(unsigned int door_state)
 	SkipUntilDelayReached(&door_delay, door_delay_value, &k, last_frame);
 
 	current_move_delay += max_step_delay;
+
+	/* prevent OS (Windows) from complaining about program not responding */
+	CheckQuitEvent();
       }
 
       if (door_part_done_all)
-- 
2.34.1