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50
51#ifndef MAINWINDOW_H
52#define MAINWINDOW_H
53
54#include <QDir>
55#include <QMainWindow>
56#include <QStringList>
57
58QT_BEGIN_NAMESPACE
59class QAction;
60class QActionGroup;
61class QMenu;
62class QScrollArea;
63QT_END_NAMESPACE
64class PaintArea;
65
66class MainWindow : public QMainWindow
67{
68 Q_OBJECT
69
70public:
71 MainWindow();
72
73private slots:
74 void open();
75 bool saveAs();
76 void brushColor();
77 void brushWidth();
78 void changeBrush();
79 void insertShape();
80 void applyFilter();
81 void about();
82 void aboutPlugins();
83
84private:
85 typedef void (MainWindow::*Member)();
86
87 void createActions();
88 void createMenus();
89 void loadPlugins();
90 void populateMenus(QObject *plugin);
91 void addToMenu(QObject *plugin, const QStringList &texts, QMenu *menu,
92 Member member, QActionGroup *actionGroup = nullptr);
93
94 PaintArea *paintArea = nullptr;
95 QScrollArea *scrollArea = nullptr;
96 QDir pluginsDir;
97 QStringList pluginFileNames;
98
99 QMenu *fileMenu = nullptr;
100 QMenu *brushMenu = nullptr;
101 QMenu *shapesMenu = nullptr;
102 QMenu *filterMenu = nullptr;
103 QMenu *helpMenu = nullptr;
104 QActionGroup *brushActionGroup = nullptr;
105 QAction *openAct = nullptr;
106 QAction *saveAsAct = nullptr;
107 QAction *exitAct = nullptr;
108 QAction *brushWidthAct = nullptr;
109 QAction *brushColorAct = nullptr;
110 QAction *aboutAct = nullptr;
111 QAction *aboutQtAct = nullptr;
112 QAction *aboutPluginsAct = nullptr;
113};
114
115#endif
116

source code of qtbase/examples/widgets/tools/plugandpaint/app/mainwindow.h