refactor: move wlr_layershell to its own subdirectory

src/wayland/wlr_layershell/surface.hpp

@@ -0,0 +1,48 @@
+#pragma once
+
+#include <private/qwaylandshellsurface_p.h>
+#include <private/qwaylandwindow_p.h>
+#include <qtwaylandclientexports.h>
+#include <qtypes.h>
+#include <qwayland-wlr-layer-shell-unstable-v1.h>
+#include <qwindow.h>
+
+#include "shell_integration.hpp"
+#include "window.hpp"
+
+class QSWaylandLayerSurface
+    : public QtWaylandClient::QWaylandShellSurface
+    , public QtWayland::zwlr_layer_surface_v1 {
+public:
+	QSWaylandLayerSurface(
+	    QSWaylandLayerShellIntegration* shell,
+	    QtWaylandClient::QWaylandWindow* window
+	);
+
+	~QSWaylandLayerSurface() override;
+	QSWaylandLayerSurface(QSWaylandLayerSurface&&) = delete;
+	QSWaylandLayerSurface(const QSWaylandLayerSurface&) = delete;
+	void operator=(QSWaylandLayerSurface&&) = delete;
+	void operator=(const QSWaylandLayerSurface&) = delete;
+
+	[[nodiscard]] bool isExposed() const override;
+	void applyConfigure() override;
+	void setWindowGeometry(const QRect& geometry) override;
+
+private:
+	void zwlr_layer_surface_v1_configure(quint32 serial, quint32 width, quint32 height) override;
+	void zwlr_layer_surface_v1_closed() override;
+
+	QWindow* qwindow();
+	void updateLayer();
+	void updateAnchors();
+	void updateMargins();
+	void updateExclusiveZone();
+	void updateKeyboardFocus();
+
+	LayershellWindowExtension* ext;
+	QSize size;
+	bool configured = false;
+
+	friend class LayershellWindowExtension;
+};