Qt:QPushButton 单击、双击响应区分

/** Description: 分开响应单击和双击的QPushButton* Author: 公子开明 KaiMing Prince* Detail: 默认的QPushButton，双击事件触发前会先触发单击事件，影响两个操作的分别处理* Class：DoubleClickedButton* Implement: 本类实现了QPushButton双击和单击的分别处理事件*/#ifndef _DOUBLE_CLICKED_BUTTON_H__#define _DOUBLE_CLICKED_BUTTON_H__#include 
class QTimer;
class DoubleClickedButton : public QPushButton{    Q_OBJECT
public:    DoubleClickedButton(QWidget *parent=Q_NULLPTR);    DoubleClickedButton(const QString &text, QWidget *parent = Q_NULLPTR);    DoubleClickedButton(const QIcon &icon, const QString &text, QWidget *parent = Q_NULLPTR);
    ~DoubleClickedButton();
protected:    virtual bool event(QEvent* event);
signals:    void singleClicked();    void doubleClicked();
private:    bool            　　m_bDoubleClicked;    QTimer*            m_single_clicked_timer;};#endif //_DOUBLE_CLICKED_BUTTON_H__

#include "DoubleClickedButton.h"#include #include 
DoubleClickedButton::DoubleClickedButton(QWidget *parent)    : QPushButton(parent),      m_single_clicked_timer(new QTimer(this)),      m_bDoubleClicked(false){    m_single_clicked_timer->setSingleShot(true);    connect(m_single_clicked_timer, SIGNAL(timeout()), this, SIGNAL(singleClicked()));}
DoubleClickedButton::DoubleClickedButton(const QString &text, QWidget *parent)    : DoubleClickedButton(parent){    setText(text);}
DoubleClickedButton::DoubleClickedButton(const QIcon &icon, const QString &text, QWidget *parent)    : DoubleClickedButton(text, parent){    setIcon(icon);}
DoubleClickedButton::~DoubleClickedButton(){}
bool DoubleClickedButton::event(QEvent* event){    switch (event->type())    {    case QEvent::MouseButtonRelease:        m_bDoubleClicked ? m_bDoubleClicked = false//如果是第二次进入，重置状态            /*这里需要一个超时判断，超时还没进入MouseButtonDblClick事件才算是单击效果*/            : m_single_clicked_timer->start(10);//测试发现间隔时间最好不要低于10ms，否则不够两个事件的反馈间隔，如果需要延迟，可以自行修改间隔时间        break;    case QEvent::MouseButtonDblClick:        m_single_clicked_timer->stop();//进入双击事件停止掉定时器        m_bDoubleClicked = true;        emit doubleClicked();        break;    default:        break;    }
    return QPushButton::event(event);}