#ifndef MAINWINDOW_H#define MAINWINDOW_H#include <QMainWindow>#include <QActionGroup>#include <QFontComboBox>#include "form.h"#include "palette.h"class MainWindow : public QMainWindow{    Q_OBJECTpublic:    MainWindow();private slots:    void draw(QAction* action);    void print();private:    void createActions();    void createMenus();    void createToolBars();    void createStatusBar();	void createDockWindows();	Palette *paletteWidget;    Form *form;	QMenu *fileMenu;    QMenu *drawMenu;    QToolBar *fileToolBar;    QToolBar *drawToolBar;	QFontComboBox *fontCmb;	QAction *lineAct;	QAction *polylineAct;	QAction *rectangleAct;	QAction *polygonAct;	QAction *arcAct;	QAction *pieAct;	QAction *chordAct;    QAction *ellipseAct;	QAction *textAct;	QAction *printAct;	QActionGroup *drawActGroup;};#endif