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Merge pull request #85 from csantosbh/develop

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Centering the cursor at (width/2, height/2) when the mouse is hidden
This commit is contained in:
thefiddler 2014-03-18 09:50:03 +01:00
parent 87cfe60b16 c48f6399e4
commit 5882e5e27a
1 changed files with 8 additions and 2 deletions
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10
Source/OpenTK/Platform/X11/X11GLNative.cs
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@ -898,8 +898,14 @@ namespace OpenTK.Platform.X11
// is very very uncommon. Todo: Can this be remedied?
int x = e.MotionEvent.x;
int y =e.MotionEvent.y;
int middle_x = (Bounds.Left + Bounds.Right) / 2;
int middle_y = (Bounds.Top + Bounds.Bottom) / 2;
// TODO: Have offset as a stored field, only update it when the window moves
// The middle point cannot be the average of the Bounds.left/right/top/bottom,
// because these fields take into account window decoration (borders, etc),
// which we do not want to account for.
Point offset = this.PointToClient(Point.Empty);
int middle_x = Width/2-offset.X;
int middle_y = Height/2-offset.Y;
Point screen_xy = PointToScreen(new Point(x, y));
if (!CursorVisible && MouseWarpActive &&
screen_xy.X == middle_x && screen_xy.Y == middle_y)