Author: bitfreak25 <bitfreak25@gmx.de>
Last-Update: Sun, 13 Jan 2019 01:35:08 +0100
Bug-Debian: https://bugs.debian.org/916606
Description: Prevent random pauses ingame without external actions

--- a/client/game.c
+++ b/client/game.c
@@ -1150,6 +1150,17 @@ void client_game_run( void )
 		/* check whether an event occured */
 		button_clicked = key_pressed = 0;
 		if ( SDL_PollEvent( &event ) ) {
+			// Special code for broken SDL with Xorg 1.20.1, where pairs of inputfocus gain and loss events are generated
+			// when locking the mouse in windowed mode.
+			if (event.type == SDL_ACTIVEEVENT && event.active.state == SDL_APPINPUTFOCUS && event.active.gain == 0) {
+				SDL_Event test; //Check if the next event would undo this one.
+				if (SDL_PeepEvents(&test,1,SDL_PEEKEVENT,SDL_ACTIVEEVENTMASK) == 1 && test.active.state == SDL_APPINPUTFOCUS && test.active.gain == 1) {
+					// Skip both events.
+					SDL_PeepEvents(&test,1,SDL_GETEVENT,SDL_ACTIVEEVENTMASK);
+					continue;
+				}
+			}
+			
 			if ( client_state == CS_PAUSE && game->game_type == GT_NETWORK )
 				gui_dispatch_event( &event, ms );
 			else