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| ** Copyright (C) 2019 The Qt Company Ltd. |
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| ** This file is part of the examples of the Qt Wayland module |
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| |
| #ifndef COMPOSITOR_H |
| #define COMPOSITOR_H |
| |
| #include <QtCore/QPointer> |
| |
| #include <QtWaylandCompositor/QWaylandCompositor> |
| #include <QtWaylandCompositor/QWaylandSurface> |
| #include <QtWaylandCompositor/QWaylandView> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class Window; |
| class QOpenGLTexture; |
| class QWaylandXdgShell; |
| class QWaylandXdgSurface; |
| class QWaylandXdgToplevel; |
| |
| class View : public QWaylandView |
| { |
| Q_OBJECT |
| public: |
| explicit View() = default; |
| QOpenGLTexture *getTexture(); |
| QSize size() const { return surface() ? surface()->size() : QSize(); } |
| QRect globalGeometry() const { return {globalPosition(), surface()->size()}; } |
| QPoint globalPosition() const { return m_globalPosition; } |
| void setGlobalPosition(const QPoint &position); |
| QPoint mapToLocal(const QPoint &globalPosition) const; |
| void setAnchorEdges(Qt::Edges edges) { m_anchorEdges = edges; } |
| void updateAnchoredPosition(); |
| |
| virtual void handleResizeMove(const QPoint &delta); |
| virtual void handleResizeRelease() {} |
| |
| signals: |
| void globalPositionChanged(); |
| void startResize(); |
| void startMove(); |
| |
| private: |
| QOpenGLTexture *m_texture = nullptr; |
| QPoint m_globalPosition; |
| Qt::Edges m_anchorEdges; |
| QSize m_lastSize; |
| }; |
| |
| class ToplevelView : public View |
| { |
| Q_OBJECT |
| public: |
| explicit ToplevelView(QWaylandXdgToplevel *toplevel); |
| void handleResizeMove(const QPoint &delta) override; |
| void handleResizeRelease() override; |
| |
| private: |
| QWaylandXdgToplevel *m_toplevel = nullptr; |
| struct Resize { |
| QSize initialSize; |
| Qt::Edges edges; |
| } m_resize; |
| }; |
| |
| class Compositor : public QWaylandCompositor |
| { |
| Q_OBJECT |
| public: |
| explicit Compositor() = default; |
| ~Compositor() override; |
| void create() override; |
| void setWindow(Window *window) { m_window = window; } |
| |
| QList<View *> views() const { return m_views; } |
| View *viewAt(const QPoint &position); |
| |
| void raise(View *view); |
| |
| void handleGlInitialized() { create(); } |
| void handleMousePress(const QPoint &position, Qt::MouseButton button); |
| void handleMouseRelease(const QPoint &position, Qt::MouseButton button, Qt::MouseButtons buttons); |
| void handleMouseMove(const QPoint &position); |
| void handleMouseWheel(Qt::Orientation orientation, int delta); |
| |
| void handleKeyPress(quint32 nativeScanCode); |
| void handleKeyRelease(quint32 nativeScanCode); |
| |
| signals: |
| void startMove(); |
| |
| private slots: |
| void handleXdgToplevelCreated(QWaylandXdgToplevel *toplevel, QWaylandXdgSurface *xdgSurface); |
| void addView(View *view); |
| void handleViewSurfaceDestroyed(); |
| void triggerRender(); |
| |
| private: |
| Window *m_window = nullptr; |
| QWaylandXdgShell *m_xdgShell = nullptr; |
| QList<View *> m_views; // Sorted by painters algorithm (back to front) |
| struct Grab { |
| QPointer<View> view; |
| enum State { None, Input, Move, Resize }; |
| State state = None; |
| QPoint startLocalPosition; // in View's coordinate system |
| QPoint startGlobalPosition; |
| } m_grab; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // COMPOSITOR_H |