From 72ea2c9e25bed18d6ee0d55d4b56d60bbf6d1261 Mon Sep 17 00:00:00 2001
From: Bradley Bell <btb@icculus.org>
Date: Sun, 21 Jan 2001 14:49:55 +0000
Subject: [PATCH] Grab mouse with SDL/X11

---
 main/gamecntl.c | 13 +++++++++++++
 main/inferno.c  | 16 ++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/main/gamecntl.c b/main/gamecntl.c
index 1f3c21ab4..a4cdd9a65 100644
--- a/main/gamecntl.c
+++ b/main/gamecntl.c
@@ -115,6 +115,9 @@ COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
 #endif
 #endif
 
+#ifdef SDL_INPUT
+#include <SDL/SDL.h>
+#endif
 
 extern void full_palette_save(void);
 extern void object_goto_prev_viewer(void);
@@ -491,6 +494,11 @@ int do_game_pause()
 	show_boxed_message(Pause_msg=msg);		  //TXT_PAUSE);
 	gr_update();
 
+#ifdef SDL_INPUT
+	/* give control back to the WM */
+	SDL_WM_GrabInput(SDL_GRAB_OFF);
+#endif
+
 	while (Game_paused) 
 	{
 		int screen_changed;
@@ -550,6 +558,11 @@ int do_game_pause()
 		}
 	}
 
+#ifdef SDL_INPUT
+	/* keep the mouse from wandering in SDL/X11 */
+	SDL_WM_GrabInput(SDL_GRAB_ON);
+#endif
+
 	if (VR_screen_flags & VRF_COMPATIBLE_MENUS) {
 		clear_boxed_message();
 	}
diff --git a/main/inferno.c b/main/inferno.c
index 1639aa6c6..da2dffe2e 100644
--- a/main/inferno.c
+++ b/main/inferno.c
@@ -86,6 +86,10 @@ extern int Current_display_mode;        //$$ there's got to be a better way than
 #include "ui.h"
 #endif
 
+#ifdef SDL_INPUT
+#include <SDL/SDL.h>
+#endif
+
 #include "vers_id.h"
 
 void mem_init(void);
@@ -689,7 +693,19 @@ int main(int argc,char **argv)
 			#ifdef EDITOR
 				keyd_editor_mode = 0;
 			#endif
+
+#ifdef SDL_INPUT
+			/* keep the mouse from wandering in SDL/X11 */
+			SDL_WM_GrabInput(SDL_GRAB_ON);
+#endif
+
 			game();
+
+#ifdef SDL_INPUT
+			/* give control back to the WM */
+			SDL_WM_GrabInput(SDL_GRAB_OFF);
+#endif
+
 			if ( Function_mode == FMODE_MENU )
 				songs_play_song( SONG_TITLE, 1 );
 			break;