Qt 高仿QQ窗口抖动效果【原】

来源：互联网发布：好的招聘软件编辑：程序博客网时间：2024/06/06 07:14

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//头文件YShakeWidget.h
#ifndef YSHAKEWIDGET_H
#define YSHAKEWIDGET_H
#include <QWidget>
classQTimer;
classYShakeWidget : publicQWidget
{
    Q_OBJECT
     
public:
    explicitYShakeWidget(QWidget *parent = 0);
privateslots:
    voidslot_btnTestclicked();
    voidslot_timerOut();
     
private:
    QTimer* m_timer;
    intm_nPosition;
    QPoint m_curPos;
};
#endif // YSHAKEWIDGET_H
 
//实现文件YShakeWidget.cpp
#include "YShakeWidget.h"
#include <QTimer>
#include <QHBoxLayout>
#include <QPushButton>
enum{MaxLimitTimes = 12};
enum{MaxLimitSpace = 5};
YShakeWidget::YShakeWidget(QWidget *parent) :
    QWidget(parent),
    m_timer(newQTimer(this)),
    m_nPosition(0),
    m_curPos(QPoint())
{
    QPushButton* btnTest = newQPushButton(tr("Test"),this);
    boolb = connect(btnTest,SIGNAL(clicked()),this,SLOT(slot_btnTestclicked()));
    Q_ASSERT(b);
    QHBoxLayout* hBox = newQHBoxLayout(this);
    hBox->addWidget(btnTest);
    this->setLayout(hBox);
    // 计时器
    b = connect(m_timer,SIGNAL(timeout()),this,SLOT(slot_timerOut()));
    Q_ASSERT(b);
    m_timer->setInterval(40);
}
voidYShakeWidget::slot_btnTestclicked()
{
    m_nPosition = 0;
    m_curPos = this->pos();
    m_timer->start();
}
voidYShakeWidget::slot_timerOut()
{
    m_timer->stop();
    if(m_nPosition < MaxLimitTimes)
    {
        ++m_nPosition;
        switch(m_nPosition%4)
        {
        case1:
        {
            QPoint tmpPos(m_curPos.x(),m_curPos.y()-MaxLimitSpace);
            this->move(tmpPos);
        }
            break;
        case2:
        {
            QPoint tmpPos(m_curPos.x()-MaxLimitSpace,m_curPos.y()-MaxLimitSpace);
            this->move(tmpPos);
        }
            break;
        case3:
        {
            QPoint tmpPos(m_curPos.x()-MaxLimitSpace,m_curPos.y());
            this->move(tmpPos);
        }
            break;
        default:
        case0:
            this->move(m_curPos);
            break;
        }
        m_timer->start();
    }
}
 
//main.cpp文件
#include <QtGui/QApplication>
#include "YShakeWidget.h"
intmain(intargc, char*argv[])
{
    QApplication a(argc, argv);
    YShakeWidget w;
    w.show();
     
    returna.exec();
}

FROM: http://my.oschina.net/imtoby/blog/104290

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