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Fix Launcher focus for most cases (#4362)

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* Add SendInput hack

* Cleaned up code

* Fixed formatting

* Moved Activate fn call

* Add more comments with link to issue
This commit is contained in:
Arjun Balgovind
2020-06-22 14:47:33 -07:00
committed by GitHub
parent 196055e50e
commit 720fad80c3
2 changed files with 76 additions and 3 deletions
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17
src/modules/launcher/PowerLauncher/MainWindow.xaml.cs
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@@ -64,6 +64,17 @@ namespace PowerLauncher
_viewModel.Save();
}
private void BringProcessToForeground()
{
// Use SendInput hack to allow Activate to work - required to resolve focus issue https://github.com/microsoft/PowerToys/issues/4270
WindowsInteropHelper.INPUT input = new WindowsInteropHelper.INPUT { type = WindowsInteropHelper.INPUTTYPE.INPUT_MOUSE, data = { } };
WindowsInteropHelper.INPUT[] inputs = new WindowsInteropHelper.INPUT[] { input };
// Send empty mouse event. This makes this thread the last to send input, and hence allows it to pass foreground permission checks
WindowsInteropHelper.SendInput(1, inputs, WindowsInteropHelper.INPUT.Size);
Activate();
}
private void OnLoaded(object sender, RoutedEventArgs _)
{
WindowsInteropHelper.DisableControlBox(this);
@@ -79,7 +90,7 @@ namespace PowerLauncher
ListBox.SuggestionsList.PreviewMouseLeftButtonUp += SuggestionsList_PreviewMouseLeftButtonUp;
_viewModel.PropertyChanged += ViewModel_PropertyChanged;
Activate();
BringProcessToForeground();
}
private void SuggestionsList_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
@@ -105,7 +116,7 @@ namespace PowerLauncher
// Not called on first launch
// Additionally called when deactivated by clicking on screen
UpdatePosition();
Activate();
BringProcessToForeground();
if (!_viewModel.LastQuerySelected)
{
@@ -346,4 +357,4 @@ namespace PowerLauncher
Hide();
}
}
}
}