qt5base-lts/examples/gui/openglwindow/openglwindow.h
Christian Ehrlicher b0042601ed Cleanup QtOpenGL examples
Cleanup the OpenGL examples
 - use nullptr (clang-tidy)
 - use member-initialization
 - avoid redundant checks for != nullptr when deleting a pointer

Change-Id: I3e4702690ed79e71c3e952d51ceef83b907b45b7
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
2019-09-30 22:16:27 +02:00

92 lines
3.2 KiB
C++

/****************************************************************************
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#include <QWindow>
#include <QOpenGLFunctions>
QT_BEGIN_NAMESPACE
class QPainter;
class QOpenGLContext;
class QOpenGLPaintDevice;
QT_END_NAMESPACE
//! [1]
class OpenGLWindow : public QWindow, protected QOpenGLFunctions
{
Q_OBJECT
public:
explicit OpenGLWindow(QWindow *parent = nullptr);
~OpenGLWindow();
virtual void render(QPainter *painter);
virtual void render();
virtual void initialize();
void setAnimating(bool animating);
public slots:
void renderLater();
void renderNow();
protected:
bool event(QEvent *event) override;
void exposeEvent(QExposeEvent *event) override;
private:
bool m_animating = false;
QOpenGLContext *m_context = nullptr;
QOpenGLPaintDevice *m_device = nullptr;
};
//! [1]