QT 360安全卫士

github 上下载源码分析，供学习参考。

主界面ui 以及动画组：

#include "mainwindow.h"

#include "mainbottomwidget.h"

#include "maintopwidget.h"

#include "../safe/safewidget.h"

#include "../clean/cleanwidget.h"

#include "../youhua/youhuawidget.h"

#include "common/opacitywidget.h"

#include "common/videowidget.h"

#include <QApplication>

#include <QFile>

#include <QStackedWidget>

#include <QPropertyAnimation>

#include <QParallelAnimationGroup>

#include <QLabel>

#include <QIcon>

MainWindow::MainWindow(QWidget *parent) :

    ShadowWidget(parent)

{

    this->initUI();

    this->initAnim();

    this->initConnect();

}

void MainWindow::initUI()

{

    this->setFixedSize(900, 600);

    this->setWindowIcon(QIcon(":/main/Logo"));

    this->setWindowTitle(tr("360安全卫士"));

    m_video = new VideoWidget(this);

    m_stackWidget = new QStackedWidget(this);

    m_stackWidget->setGeometry(rect());

    m_stackWidget->lower();

    //m_grayWidget = new BaseStyleWidget(this);

    m_grayWidget = new OpacityWidget(this);

    m_grayWidget->setGeometry(rect());

    m_grayWidget->setColor(QColor(Qt::gray));

    m_topWidget = new MainTopWidget(this);

    m_bottomWidget = new MainBottomWidget(this);

    m_safeWidget = new SafeWidget;

    m_stackWidget->addWidget(m_safeWidget);

    m_cleanWidget = new CleanWidget;

    m_stackWidget->addWidget(m_cleanWidget);

    m_youhuaWidget = new YouhuaWidget;

    m_stackWidget->addWidget(m_youhuaWidget);

}

void MainWindow::initConnect()

{

    connect(m_topWidget, SIGNAL(goExamine()), m_bottomWidget, SLOT(goExamine()));

    connect(m_topWidget, SIGNAL(goMain()), m_bottomWidget, SLOT(goMain()));

    connect(m_topWidget, SIGNAL(showMin()), this, SLOT(showMinimized()));

    connect(m_topWidget, SIGNAL(closeWidget()), this, SLOT(closeWidget()));

    connect(m_topWidget, SIGNAL(playVideo()), this, SLOT(playVideo()));

    connect(m_topWidget, SIGNAL(showSkin()), this, SLOT(showSkin()));

    connect(m_safeWidget, SIGNAL(goToMain()), this, SLOT(goToMain()));

    connect(m_cleanWidget, SIGNAL(goToMain()), this, SLOT(goToMain()));

    connect(m_youhuaWidget, SIGNAL(goToMain()), this, SLOT(goToMain()));

    connect(m_bottomWidget, SIGNAL(safeClicked()), this, SLOT(goToSafe()));

    connect(m_bottomWidget, SIGNAL(cleanClicked()), this, SLOT(goToClean()));

    connect(m_bottomWidget, SIGNAL(youhuaClicked()), this, SLOT(goToYouhua()));

    connect(m_upGroup, SIGNAL(finished()), this, SLOT(upAnimFinished()));

}

void MainWindow::initAnim()

{

    QPropertyAnimation *m_upMainAnimation = new QPropertyAnimation(m_topWidget, "pos");

    m_upMainAnimation->setDuration(200);

    m_upMainAnimation->setStartValue(QPoint(0, 0));

    m_upMainAnimation->setEndValue(QPoint(0, -440));

    QPropertyAnimation *m_downMainAnimation = new QPropertyAnimation(m_bottomWidget, "pos");

    m_downMainAnimation->setDuration(200);

    m_downMainAnimation->setStartValue(QPoint(0, 440));

    m_downMainAnimation->setEndValue(QPoint(0, 600));

    QPropertyAnimation  *m_toTrans = new QPropertyAnimation(m_grayWidget, "opacity");

    m_toTrans->setDuration(200);

    m_toTrans->setStartValue(1);

    m_toTrans->setEndValue(0);

    m_upGroup = new QParallelAnimationGroup;

    m_upGroup->addAnimation(m_upMainAnimation);

    m_upGroup->addAnimation(m_downMainAnimation);

    m_upGroup->addAnimation(m_toTrans);

    QPropertyAnimation *m_upGarAnimation = new QPropertyAnimation(m_topWidget, "pos");

    m_upGarAnimation->setDuration(200);

    m_upGarAnimation->setStartValue(QPoint(0, -440));

    m_upGarAnimation->setEndValue(QPoint(0, 0));

    QPropertyAnimation *m_downGarAnimation = new QPropertyAnimation(m_bottomWidget, "pos");

    m_downGarAnimation->setDuration(200);

    m_downGarAnimation->setStartValue(QPoint(0, 600));

    m_downGarAnimation->setEndValue(QPoint(0, 440));

    QPropertyAnimation  *m_toGray = new QPropertyAnimation(m_grayWidget, "opacity");

    m_toGray->setDuration(200);

    m_toGray->setStartValue(0);

    m_toGray->setEndValue(1);

    m_downGroup = new QParallelAnimationGroup;

    m_downGroup->addAnimation(m_upGarAnimation);

    m_downGroup->addAnimation(m_downGarAnimation);

    m_downGroup->addAnimation(m_toGray);

}

void MainWindow::upAnimFinished()

{

    m_grayWidget->hide();

}

void MainWindow::playVideo()

{

    m_video->move(mapToGlobal(QPoint(0,0)));//移动到与主窗口同一位置

    m_video->startVideo();

    m_video->exec();

}

void MainWindow::showMenu()

{

}

void MainWindow::goToMain()

{

    m_grayWidget->show();

    m_downGroup->start();

}

void MainWindow::goToSafe()

{

    m_stackWidget->setCurrentIndex(0);

    m_upGroup->start();

}

void MainWindow::goToClean()

{

    m_stackWidget->setCurrentIndex(1);

    m_upGroup->start();

    m_cleanWidget->startFirst();

}

void MainWindow::goToYouhua()

{

    m_stackWidget->setCurrentIndex(2);

    m_upGroup->start();

}

void MainWindow::showSkin()

{

    QFile qss(":/qss/skin");

    qss.open(QFile::ReadOnly);

    qApp->setStyleSheet(qss.readAll());

    qss.close();

    update();

}

void MainWindow::closeWidget()

{

    qApp->quit();

}

void MainWindow::showMin()

{

}

界面、运行效果：