#ifndef MAINWINDOW_H#define MAINWINDOW_H#include <QtGui>class TestWidget;class MainWindow : public QMainWindow{    Q_OBJECTpublic:    MainWindow();    protected slots:	void setMode(QAction *action);	private:	TestWidget *testWidget;	QActionGroup* testGroup;    QAction* penStyleAct;    QAction* penCapStyleAct;    QAction* penJoinStyleAct;    QAction* brushStyleAct;    QAction* gradientAct;    QToolBar* testToolBar;		void createActions();	void createToolBars();};#endif