From b1b661bc3f0893beabfd4028fa786e7cbe9cb532 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Fri, 7 Feb 2003 05:47:15 +0000
Subject: [PATCH] Don't warp the mouse when a video mode hasn't been set
--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40596
---
src/video/SDL_cursor.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/video/SDL_cursor.c b/src/video/SDL_cursor.c
index 3d19abad..7dc31d6e 100644
--- a/src/video/SDL_cursor.c
+++ b/src/video/SDL_cursor.c
@@ -295,6 +295,11 @@ void SDL_WarpMouse (Uint16 x, Uint16 y)
SDL_VideoDevice *video = current_video;
SDL_VideoDevice *this = current_video;
+ if ( !video || !SDL_PublicSurface ) {
+ SDL_SetError("A video mode must be set before warping mouse");
+ return;
+ }
+
/* If we have an offset video mode, offset the mouse coordinates */
x += (this->screen->offset % this->screen->pitch) /
this->screen->format->BytesPerPixel;
--
2.18.1