#ifndef IMAGESWITCH_H
#define IMAGESWITCH_H

#include <QWidget>

class ImageSwitch : public QWidget
{
    Q_OBJECT

    Q_ENUMS(ButtonStyle)

    Q_PROPERTY(bool isChecked READ getChecked WRITE setChecked)
    Q_PROPERTY(ButtonStyle buttonStyle READ getButtonStyle WRITE setButtonStyle)

public:
    ImageSwitch();


    enum ButtonStyle {
        ButtonStyle_1 = 0,  //开关样式1
        ButtonStyle_2 = 1,  //开关样式2
        ButtonStyle_3 = 2   //开关样式3
    };
    explicit ImageSwitch(QWidget *parent = 0);

protected:
    void mousePressEvent(QMouseEvent *);
    void paintEvent(QPaintEvent *event);

private:
    bool isChecked;             //是否选中
    ButtonStyle buttonStyle;    //按钮样式

    QString imgOffFile;         //关闭图片
    QString imgOnFile;          //开启图片
    QString imgFile;            //当前图片

public:
    //默认尺寸和最小尺寸
    QSize sizeHint() const;
    QSize minimumSizeHint() const;

    //获取和设置是否选中
    bool getChecked() const;
    void setChecked(bool isChecked);

    //获取和设置按钮样式
    ButtonStyle getButtonStyle() const;
    void setButtonStyle(const ImageSwitch::ButtonStyle &buttonStyle);

signals:
    void checkedChanged(bool checked);

};

#endif // IMAGESWITCH_H