#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
class QLabel;
class QGraphicsScene;
class QGraphicsItem;
namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = nullptr);
    ~MainWindow();

private:
    Ui::MainWindow *ui;
    bool isDrawing;
    QLabel *labViewCoord;
    QLabel *labSceneCoord;
    QLabel *labItemCoord;
    QLabel *labItemInfo;
    QGraphicsScene *scene;
    QMenu *menu;
    enum SHAPE{line,rect,ellipse,circle,polygon,triangle,text};
    QStringList shapes;
    SHAPE curShape;
    void setItem(int status);//设置图形项
    void startPaint(const QPointF& sceneCoord);//开始绘图
    void initialUI();//初始化控件，设置属性
    static const int ItemDesciption = 2;   //绘图项自定义数据的key

private slots:
    void on_keyPress(QKeyEvent *event);
    void on_mousePress(const QPoint& pos);
    void on_mouseMove(const QPoint& pos);
    void on_wheelEve(QWheelEvent *event);
    void on_contextMenu();

    void on_actItem_Rect_triggered();
    void on_actItem_Ellipse_triggered();
    void on_actItem_Line_triggered();
    void on_actItem_Polygon_triggered();
    void on_actItem_Triangle_triggered();
    void on_actItem_Circle_triggered();
    void on_actItem_Text_triggered();
    void on_action_selectMode_triggered();
    void on_actZoomIn_triggered();
    void on_actZoomOut_triggered();
    void on_actGroup_triggered();
    void on_actGroupBreak_triggered();
    void on_actEdit_Front_triggered();
    void on_actEdit_Back_triggered();
    void on_actRotateLeft_triggered();
    void on_actRotateRight_triggered();
    void on_actRestore_triggered();
    void on_actEdit_Delete_triggered();
    void on_action_S_triggered();
    void on_action_O_triggered();
    void on_actClear_triggered();
};

#endif // MAINWINDOW_H