protected override void OnAttach(VideoBackend backend)
{
var videoPeripheral = (AutoRepaintingVideo)backend.Video;
element = videoPeripheral;
lastRewrite = CustomDateTime.Now;
EnsureAnalyserWidget();
videoPeripheral.ConfigurationChanged += (w, h, f, e) => ApplicationExtensions.InvokeInUIThread(() => displayWidget.SetDisplayParameters(w, h, f, e));
videoPeripheral.FrameRendered += (f) => ApplicationExtensions.InvokeInUIThread(() => displayWidget.DrawFrame(f));
displayWidget.InputAttached += i =>
{
if (i is IKeyboard)
{
keyboardsComboBox.SelectedItem = i;
}
else if (i is IPointerInput)
{
pointersComboBox.SelectedItem = i;
}
};
if (backend.Frame != null)
{
// this must be called after setting `ConfigurationChanged` event;
// otherwise the frame set here would be overrwritten by a new, empty, instance
ApplicationExtensions.InvokeInUIThreadAndWait(() =>
{
displayWidget.SetDisplayParameters(backend.Width, backend.Height, backend.Format, backend.Endianess);
displayWidget.DrawFrame(backend.Frame);
});
}
}