public override bool Initialize(GameHost host)
{
if (!base.Initialize(host))
{
return(false);
}
if (!(host.Window is AndroidGameWindow androidWindow))
{
return(false);
}
window = androidWindow;
window.CursorStateChanged += updatePointerCapture;
// it's possible that Android forcefully released capture if we were unfocused.
// so we update here when we get focus again.
View.FocusChange += (sender, args) =>
{
if (args.HasFocus)
{
updatePointerCapture();
}
};
UseRelativeMode.BindValueChanged(_ => updatePointerCapture());
Enabled.BindValueChanged(enabled =>
{
if (enabled.NewValue)
{
View.GenericMotion += HandleGenericMotion;
View.Hover += HandleHover;
View.KeyDown += HandleKeyDown;
View.KeyUp += HandleKeyUp;
View.Touch += HandleTouch;
// Pointer capture is only available on Android 8.0 and up
if (Build.VERSION.SdkInt >= BuildVersionCodes.O)
{
View.CapturedPointer += HandleCapturedPointer;
}
}
else
{
View.GenericMotion -= HandleGenericMotion;
View.Hover -= HandleHover;
View.KeyDown -= HandleKeyDown;
View.KeyUp -= HandleKeyUp;
View.Touch -= HandleTouch;
// Pointer capture is only available on Android 8.0 and up
if (Build.VERSION.SdkInt >= BuildVersionCodes.O)
{
View.CapturedPointer -= HandleCapturedPointer;
}
}
updatePointerCapture();
}, true);
return(true);
}
public override bool Initialize(GameHost host)
{
if (!base.Initialize(host))
{
return(false);
}
if (!(host.Window is SDL2DesktopWindow desktopWindow))
{
return(false);
}
window = desktopWindow;
isActive = window.IsActive.GetBoundCopy();
isActive.BindValueChanged(_ => updateRelativeMode());
cursorInWindow = host.Window.CursorInWindow.GetBoundCopy();
cursorInWindow.BindValueChanged(e =>
{
if (e.NewValue)
{
// don't immediately update if the cursor has just entered the window
pendingUpdateRelativeMode = true;
}
else
{
updateRelativeMode();
}
});
cursorState = desktopWindow.CursorStateBindable.GetBoundCopy();
cursorState.BindValueChanged(_ => updateRelativeMode());
UseRelativeMode.BindValueChanged(e =>
{
window.MouseAutoCapture = !e.NewValue;
updateRelativeMode();
}, true);
Enabled.BindValueChanged(enabled =>
{
updateRelativeMode();
if (enabled.NewValue)
{
window.MouseMove += HandleMouseMove;
window.MouseMoveRelative += HandleMouseMoveRelative;
window.MouseDown += handleMouseDown;
window.MouseUp += handleMouseUp;
window.MouseWheel += handleMouseWheel;
}
else
{
window.MouseMove -= HandleMouseMove;
window.MouseMoveRelative -= HandleMouseMoveRelative;
window.MouseDown -= handleMouseDown;
window.MouseUp -= handleMouseUp;
window.MouseWheel -= handleMouseWheel;
}
}, true);
window.Exited += () =>
{
if (window.RelativeMouseMode && cursorCaptured)
{
window.RelativeMouseMode = false;
transferLastPositionToHostCursor();
}
};
return(true);
}