/// <summary>
/// This function houses a hack to fix the window missing some input events,
/// see Stride pull #181 for more information (https://github.com/stride3d/stride/pull/181).
/// TODO: Find a proper solution to replace this workaround.
/// </summary>
private void MissingInputHack()
{
#if STRIDE_INPUT_RAWINPUT
Device.RegisterDevice(SharpDX.Multimedia.UsagePage.Generic, SharpDX.Multimedia.UsageId.GenericKeyboard, DeviceFlags.None);
Device.KeyboardInput += (sender, args) =>
{
switch (args.State)
{
case KeyState.SystemKeyDown:
case KeyState.ImeKeyDown:
case KeyState.KeyDown:
{
keyboard?.HandleKeyUp(args.Key);
heldKeys.Add(args.Key);
break;
}
case KeyState.SystemKeyUp:
case KeyState.ImeKeyUp:
case KeyState.KeyUp:
{
heldKeys.Remove(args.Key);
keyboard?.HandleKeyDown(args.Key);
break;
}
}
};
#endif
}
private void UIControlOnLostFocus(object sender, EventArgs eventArgs)
{
// Release keys/buttons when control focus is lost (this prevents some keys getting stuck when a focus loss happens when moving the camera)
if (keyboard != null)
{
foreach (var key in keyboard.KeyRepeats.Keys.ToArray())
{
keyboard.HandleKeyUp(key);
}
}
mouse?.ForceReleaseButtons();
}
public override void Update()
{
// This check handles the case where the game window focus changes during key events causing it to drop WM_KEYUP events
if (heldKeys.Count > 0)
{
foreach (var key in heldKeys)
{
if ((Win32Native.GetKeyState((int)key) & 0x8000) == 0)
{
keysToRelease.Add(key);
}
}
foreach (var keyToRelease in keysToRelease)
{
keyboard?.HandleKeyUp(keyToRelease);
heldKeys.Remove(keyToRelease);
}
keysToRelease.Clear();
}
}