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[SDL] Avoid CursorVisible = true cursor jump

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This commit is contained in:
thefiddler 2014-05-06 09:36:30 +02:00
parent a270b9328e
commit e3fd9e1374
1 changed files with 10 additions and 0 deletions
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10
Source/OpenTK/Platform/SDL2/Sdl2NativeWindow.cs
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@ -397,6 +397,16 @@ namespace OpenTK.Platform.SDL2
SDL.ShowCursor(!grab); SDL.ShowCursor(!grab);
SDL.SetWindowGrab(window.Handle, grab); SDL.SetWindowGrab(window.Handle, grab);
SDL.SetRelativeMouseMode(grab); SDL.SetRelativeMouseMode(grab);
if (!grab)
{
// Move the cursor to the current position
// in order to avoid a sudden jump when it
// becomes visible again
float scale = Width / (float)Size.Width;
SDL.WarpMouseInWindow(window.Handle,
(int)Math.Round(MouseState.X / scale),
(int)Math.Round(MouseState.Y / scale));
}
} }
// Hack to force WindowState events to be pumped // Hack to force WindowState events to be pumped