qt5base-lts/examples/widgets/tools/plugandpaint/mainwindow.h

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#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QDir>
#include <QMainWindow>
#include <QStringList>

QT_BEGIN_NAMESPACE
class QAction;
class QActionGroup;
class QMenu;
class QScrollArea;
QT_END_NAMESPACE
class PaintArea;

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow();

private slots:
    void open();
    bool saveAs();
    void brushColor();
    void brushWidth();
    void changeBrush();
    void insertShape();
    void applyFilter();
    void about();
    void aboutPlugins();

private:
    void createActions();
    void createMenus();
    void loadPlugins();
    void populateMenus(QObject *plugin);
    void addToMenu(QObject *plugin, const QStringList &texts, QMenu *menu,
                   const char *member, QActionGroup *actionGroup = 0);

    PaintArea *paintArea;
    QScrollArea *scrollArea;
    QDir pluginsDir;
    QStringList pluginFileNames;

    QMenu *fileMenu;
    QMenu *brushMenu;
    QMenu *shapesMenu;
    QMenu *filterMenu;
    QMenu *helpMenu;
    QActionGroup *brushActionGroup;
    QAction *openAct;
    QAction *saveAsAct;
    QAction *exitAct;
    QAction *brushWidthAct;
    QAction *brushColorAct;
    QAction *aboutAct;
    QAction *aboutQtAct;
    QAction *aboutPluginsAct;
};

#endif