feat: add layershell support

src/cpp/layershell.hpp

@@ -0,0 +1,166 @@
+#pragma once
+
+#include <LayerShellQt/window.h>
+#include <qobject.h>
+#include <qqmlintegration.h>
+#include <qqmllist.h>
+#include <qquickwindow.h>
+#include <qscreen.h>
+#include <qtmetamacros.h>
+#include <qtypes.h>
+#include <qvariant.h>
+#include <qwindow.h>
+
+#include "proxywindow.hpp"
+#include "qmlscreen.hpp"
+
+class Anchors {
+	Q_GADGET;
+	Q_PROPERTY(bool left MEMBER mLeft);
+	Q_PROPERTY(bool right MEMBER mRight);
+	Q_PROPERTY(bool top MEMBER mTop);
+	Q_PROPERTY(bool bottom MEMBER mBottom);
+
+public:
+	bool mLeft = false;
+	bool mRight = false;
+	bool mTop = false;
+	bool mBottom = false;
+};
+
+class Margins {
+	Q_GADGET;
+	Q_PROPERTY(qint32 left MEMBER mLeft);
+	Q_PROPERTY(qint32 right MEMBER mRight);
+	Q_PROPERTY(qint32 top MEMBER mTop);
+	Q_PROPERTY(qint32 bottom MEMBER mBottom);
+
+public:
+	qint32 mLeft = 0;
+	qint32 mRight = 0;
+	qint32 mTop = 0;
+	qint32 mBottom = 0;
+};
+
+namespace Layer { // NOLINT
+Q_NAMESPACE;
+QML_ELEMENT;
+
+enum Enum {
+	Background = 0,
+	Bottom = 1,
+	Top = 2,
+	Overlay = 3,
+};
+Q_ENUM_NS(Enum);
+
+} // namespace Layer
+
+namespace KeyboardFocus { // NOLINT
+Q_NAMESPACE;
+QML_ELEMENT;
+
+enum Enum {
+	None = 0,
+	Exclusive = 1,
+	OnDemand = 2,
+};
+Q_ENUM_NS(Enum);
+
+} // namespace KeyboardFocus
+
+namespace ScreenConfiguration { // NOLINT
+Q_NAMESPACE;
+QML_ELEMENT;
+
+enum Enum {
+	Window = 0,
+	Compositor = 1,
+};
+Q_ENUM_NS(Enum);
+
+} // namespace ScreenConfiguration
+
+class ProxyShellWindow: public ProxyWindowBase {
+	// clang-format off
+	Q_OBJECT;
+	Q_PROPERTY(QtShellScreenInfo* screen READ screen WRITE setScreen NOTIFY screenChanged);
+	Q_PROPERTY(Anchors anchors READ anchors WRITE setAnchors NOTIFY anchorsChanged);
+	Q_PROPERTY(qint32 exclusionZone READ exclusiveZone WRITE setExclusiveZone NOTIFY exclusionZoneChanged)
+	Q_PROPERTY(Margins margins READ margins WRITE setMargins NOTIFY marginsChanged)
+	Q_PROPERTY(Layer::Enum layer READ layer WRITE setLayer NOTIFY layerChanged)
+	Q_PROPERTY(QString scope READ scope WRITE setScope)
+	Q_PROPERTY(KeyboardFocus::Enum keyboardFocus READ keyboardFocus WRITE setKeyboardFocus NOTIFY keyboardFocusChanged)
+	Q_PROPERTY(ScreenConfiguration::Enum screenConfiguration READ screenConfiguration WRITE setScreenConfiguration)
+	Q_PROPERTY(bool closeOnDismissed READ closeOnDismissed WRITE setCloseOnDismissed);
+	Q_CLASSINFO("DefaultProperty", "data");
+	QML_ELEMENT;
+	// clang-format on
+
+protected:
+	void earlyInit(QObject* old) override;
+
+public:
+	void componentComplete() override;
+	QQuickWindow* disownWindow() override;
+
+	QQmlListProperty<QObject> data();
+
+	void setVisible(bool visible) override;
+	bool isVisible() override;
+
+	void setWidth(qint32 width) override;
+	qint32 width() override;
+
+	void setHeight(qint32 height) override;
+	qint32 height() override;
+
+	void setScreen(QtShellScreenInfo* screen);
+	[[nodiscard]] QtShellScreenInfo* screen() const;
+
+	void setAnchors(Anchors anchors);
+	[[nodiscard]] Anchors anchors() const;
+
+	void setExclusiveZone(qint32 zone);
+	[[nodiscard]] qint32 exclusiveZone() const;
+
+	void setMargins(Margins margins);
+	[[nodiscard]] Margins margins() const;
+
+	void setLayer(Layer::Enum layer);
+	[[nodiscard]] Layer::Enum layer() const;
+
+	void setScope(const QString& scope);
+	[[nodiscard]] QString scope() const;
+
+	void setKeyboardFocus(KeyboardFocus::Enum focus);
+	[[nodiscard]] KeyboardFocus::Enum keyboardFocus() const;
+
+	void setScreenConfiguration(ScreenConfiguration::Enum configuration);
+	[[nodiscard]] ScreenConfiguration::Enum screenConfiguration() const;
+
+	void setCloseOnDismissed(bool close);
+	[[nodiscard]] bool closeOnDismissed() const;
+
+signals:
+	void screenChanged();
+	void anchorsChanged();
+	void marginsChanged();
+	void exclusionZoneChanged();
+	void layerChanged();
+	void keyboardFocusChanged();
+
+private:
+	LayerShellQt::Window* shellWindow = nullptr;
+	bool anchorsInitialized = false;
+
+	// needed to ensure size dosent fuck up when changing layershell attachments
+	// along with setWidth and setHeight overrides
+	qint32 requestedWidth = 100;
+	qint32 requestedHeight = 100;
+
+	// width/height must be set before anchors, so we have to track anchors and apply them late
+	bool complete = false;
+	bool stagingVisible = false;
+	Anchors stagingAnchors;
+};