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[Platform] Raise KeyUp events on focus lost

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This ensures that no keys are stuck in pressed state when the user
switches away from the application window.
This commit is contained in:
thefiddler 2014-05-09 01:49:51 +02:00
parent 86146f54d5
commit ab29797079
1 changed files with 14 additions and 0 deletions
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14
Source/OpenTK/Platform/NativeWindowBase.cs
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@ -109,6 +109,20 @@ namespace OpenTK.Platform
protected void OnFocusedChanged(EventArgs e) protected void OnFocusedChanged(EventArgs e)
{ {
FocusedChanged(this, e); FocusedChanged(this, e);
if (!Focused)
{
// Clear keyboard state, otherwise KeyUp
// events may be missed resulting in stuck
// keys.
for (Key key = 0; key < Key.LastKey; key++)
{
if (KeyboardState[key])
{
OnKeyUp(key);
}
}
}
} }
protected void OnWindowBorderChanged(EventArgs e) protected void OnWindowBorderChanged(EventArgs e)