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1358743441
Without this when krunner expands, the frame after kwin will resize it back to the last size the layer shell requested to be resized to. To detect when we should not send an explicit size on window resize events we check the anchors; if we're constrained on opposing edges we want the compositor alone to set the size.
LayerShellQt
This component is meant for applications to be able to easily use clients based on wlr-layer-shell.
Here you can read about what the protocol does and how shells work: https://drewdevault.com/2018/07/29/Wayland-shells.html
Report issues in this component here: https://bugs.kde.org/enter_bug.cgi?product=layer-shell-qt
Usage
CMake
To use it from a CMake project you'll need to:
find_package(LayerShellQt REQUIRED)
Then it will offer us the target LayerShellQt::Interface that we can link to to get access to this framework.
C++
You can use LayerShellQt::Shell::useLayerShell(); to enable it before any clients are created.
The class LayerShellQt::Window will give us access to surface-specific settings. We can get it by using LayerShellQt::Window::get(window) on whatever QWindow we need to tweak.