logplus/logPlus/TransparentDraggableRect.h

#ifndef TRANSPARENTDRAGGABLERECT_H
#define TRANSPARENTDRAGGABLERECT_H
 
#include <QObject>
#include "qmycustomplot.h"
#include <QString>
#include <QMenu>
 
#pragma execution_character_set("utf-8")  // 强制指定执行字符集为 UTF-8
 
class TransparentDraggableRect : public QObject
{
    Q_OBJECT
public:
    explicit TransparentDraggableRect(QMyCustomPlot *parentPlot,  QString strUuid="", double minWidth = 1.0, QString strTitle = "");

 
    ~TransparentDraggableRect();
 
    //设置最小宽度
    void setMinWidth(double minWidth);
    //设置标题
    void setTitle(QString strTitle);
 
    // 设置矩形范围
    void setRange(double left_Low, double right_Hight);
    // 获取当前范围
    QCPRange getRange();
 
    // 设置矩形颜色
    void setColor(const QColor &color);
 
    // 删除框图
    void deleteRect();

signals:
    void rangeChanged(QCPRange newRange);
 
private:
    void initRect(); 
    void updateHandles() ;
 
private slots:
    void onDelRect();
    void onMousePress(QMouseEvent *event);
    void onMouseMove(QMouseEvent *event); 
    void onMouseRelease(QMouseEvent *event);
    double getMyLower();
    double getMyUpper();
    
private:
    QMyCustomPlot *mPlot;
    QCPItemRect *mRect;
    QCPItemRect *mLeftHandle;
    QCPItemRect *mRightHandle;
 
    QCPItemPixmap *mPixmap;
    QCPItemText *mItemTitle;
    QString mstrTitle="";
    QString m_strUuid = "";

    enum DragMode { DragNone, DragLeft, DragRight, DragRect };
    DragMode mDragMode = DragNone;
    //double mDragStartX = 0;
    double mDragStartY = 0;
    QCPRange mDragStartRange;
 
    // 添加最小宽度成员变量
    double mMinWidth;
};
 
#endif // TRANSPARENTDRAGGABLERECT_H