window.h Example File

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#ifndef COMPOSITORWINDOW_H #define COMPOSITORWINDOW_H #include <QOpenGLWindow> #include <QPointer> #include <QOpenGLTextureBlitter> class Compositor; class View; class QOpenGLTexture; class Window : public QOpenGLWindow { public: Window(); void setCompositor(Compositor *comp); protected: void initializeGL() override; void paintGL() override; void mousePressEvent(QMouseEvent *e) override; void mouseReleaseEvent(QMouseEvent *e) override; void mouseMoveEvent(QMouseEvent *e) override; void keyPressEvent(QKeyEvent *e) override; void keyReleaseEvent(QKeyEvent *e) override; private slots: void startMove(); void startResize(int edge, bool anchored); void startDrag(View *dragIcon); private: enum GrabState { NoGrab, MoveGrab, ResizeGrab, DragGrab }; View *viewAt(const QPointF &point); bool mouseGrab() const { return m_grabState != NoGrab ;} void drawBackground(); void sendMouseEvent(QMouseEvent *e, View *target); static QPointF getAnchoredPosition(const QPointF &anchorPosition, int resizeEdge, const QSize &windowSize); static QPointF getAnchorPosition(const QPointF &position, int resizeEdge, const QSize &windowSize); QOpenGLTextureBlitter m_textureBlitter; QSize m_backgroundImageSize; QOpenGLTexture *m_backgroundTexture = nullptr; Compositor *m_compositor = nullptr; QPointer<View> m_mouseView; GrabState m_grabState = NoGrab; QSize m_initialSize; int m_resizeEdge; bool m_resizeAnchored; QPointF m_resizeAnchorPosition; QPointF m_mouseOffset; QPointF m_initialMousePos; View *m_dragIconView = nullptr; }; #endif // COMPOSITORWINDOW_H

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