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50
51#ifndef WIDGET_H
52#define WIDGET_H
53
54#include <QWidget>
55
56QT_FORWARD_DECLARE_CLASS(QComboBox)
57QT_FORWARD_DECLARE_CLASS(QTextEdit)
58QT_FORWARD_DECLARE_CLASS(QVBoxLayout)
59QT_FORWARD_DECLARE_CLASS(QSurfaceFormat)
60QT_FORWARD_DECLARE_CLASS(QSurface)
61
62class Widget : public QWidget
63{
64 Q_OBJECT
65
66public:
67 explicit Widget(QWidget *parent = nullptr);
68
69private slots:
70 void start();
71 void renderWindowReady();
72 void renderWindowError(const QString &msg);
73
74private:
75 void addVersions(QLayout *layout);
76 void addProfiles(QLayout *layout);
77 void addOptions(QLayout *layout);
78 void addRenderableTypes(QLayout *layout);
79 void addRenderWindow();
80 void printFormat(const QSurfaceFormat &format);
81
82 QComboBox *m_version;
83 QLayout *m_profiles;
84 QLayout *m_options;
85 QLayout *m_renderables;
86 QTextEdit *m_output;
87 QTextEdit *m_extensions;
88 QVBoxLayout *m_renderWindowLayout;
89 QWidget *m_renderWindowContainer;
90 QSurface *m_surface;
91};
92
93#endif // WIDGET_H
94

source code of qtbase/examples/opengl/contextinfo/widget.h