Qt：QSequentialAnimationGroup

秒速五厘米 2022-10-24 11:44 7阅读 0赞

#include "widget.h"
    #include <QPushButton>
    #include <QPropertyAnimation>
    #include <QDebug>
    
    Widget::Widget(QWidget *parent)
        : QWidget(parent)
    {
        this->resize(300, 200);
    
        QPushButton *btn1 = new QPushButton("first", this);
        btn1->setGeometry(10, 10, 100, 30);
    
        QPushButton *btn2 = new QPushButton("second", this);
        btn2->setGeometry(10, 45, 100, 30);
    
        QPropertyAnimation *anim1 = new QPropertyAnimation(btn1, "geometry");
        anim1->setDuration(2000);
        anim1->setStartValue(QRectF(10, 10, 100, 30));
        anim1->setEndValue(QRectF(200, 150, 100, 30));
    
        QPropertyAnimation *anim2 = new QPropertyAnimation(btn2, "geometry");
        anim2->setDuration(2000);
        anim2->setStartValue(QRect(10, 45, 100, 30));
        anim2->setEndValue(QRect(200, 195, 100, 30));
    
    //    sGroup = new QSequentialAnimationGroup; // Sequential Group
    //    sGroup->addAnimation(anim1);
    //    sGroup->addAnimation(anim2);
    
        pGroup = new QParallelAnimationGroup; // Parallel Group
        pGroup->addAnimation(anim1);
        pGroup->addAnimation(anim2);
    
        connect(btn1, SIGNAL(clicked()), this, SLOT(btn_clicked()));
        connect(btn2, SIGNAL(clicked()), this, SLOT(btn_clicked()));
    }
    
    void Widget::btn_clicked()
    {
       // sGroup->start(QPropertyAnimation::DeleteWhenStopped);  //如果动画完成自动清理内存
        //因此移动一次之后就算再次点击按钮也不会移动了
        pGroup->start(QPropertyAnimation::DeleteWhenStopped);
    }

![c9da6d9ff7c89a9f2527a6675bbab79653f.jpg][]

![b84fa883d10e00e73b29079adcc498bcef5.jpg][]

任意一个按钮点击都都会移动按钮，先移动按钮1，再移动按钮2

![a06844a8197e03ffdaaf1a90ddbddd33.png][]

![ee771c7e079bc4054f52441c011c59868fc.jpg][]

![c580a0029b629c0c8e3546fe307648a3809.jpg][]

任意一个按钮点击都都会移动按钮：按钮1&按钮2并行移动

![a083459f852f42b1d935e2afc9e121e5.png][]

串行顺序运行动画对象

[c9da6d9ff7c89a9f2527a6675bbab79653f.jpg]: /images/20221024/998840f40e9e49b3b99ac87ad7476e66.png
[b84fa883d10e00e73b29079adcc498bcef5.jpg]: /images/20221024/83383249383147e596c149f1fa7cb448.png
[a06844a8197e03ffdaaf1a90ddbddd33.png]: /images/20221024/fe9d30b8fe084597ab853ec9d0e4e63d.png
[ee771c7e079bc4054f52441c011c59868fc.jpg]: /images/20221024/d7bd0d92fa4f46e698697297382a8b86.png
[c580a0029b629c0c8e3546fe307648a3809.jpg]: /images/20221024/80733c2119654a69a5ba08ea01ca36cb.png
[a083459f852f42b1d935e2afc9e121e5.png]: /images/20221024/47fb26da7e564c308978a999aad1b8d7.png

Qt：QSequentialAnimationGroup

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