QT为QLabel添加Click事件

ClickedLabel.h

#ifndef CLICKEDLABEL_H_
#define CLICKEDLABEL_H_
#include
#include
class ClickedLabel : public QLabel
{
    Q_OBJECT
signals:
    void Clicked(ClickedLabel* clicked);
public:
    ClickedLabel(QWidget *parent=0): QLabel(parent),m_str("")
    {
        setText(m_str);
    };
    ~ClickedLabel() {};
protected:
    void mouseReleaseEvent( QMouseEvent* );
private:
    QString m_str;
};
#endif /* CLICKEDLABEL_H_ */

ClickedLabel.cpp

Cpp代码

#include "ClickedLabel.h"
void ClickedLabel::mouseReleaseEvent(QMouseEvent *evt)
{
    emit Clicked(this);
}

转载地址：http://buliedian.iteye.com/blog/1059188