CoinFlip/selectscene.cpp at main · redTouch05/CoinFlip · GitHub

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#include "selectscene.h"

selectScene::selectScene(QWidget *parent)
    : MyMainWindow{parent}
{
    MyPushButton *btnBackButton=new MyPushButton(":/res/BackButton.png",":/res/BackButtonSelected.png",this);
    btnBackButton->resize(72,32);
    btnBackButton->move(this->width()-btnBackButton->width(),this->height()-btnBackButton->height());
    connect(btnBackButton,&QPushButton::clicked,this,&selectScene::backBtnClicked);

    //信号可以连接信号

    //设置行宽和列宽
    int rowWidth=70;
    int colWidth=70;

    //设置x y 的偏移量 使关卡按钮偏移到想要的位置
    int xOffset=25;
    int yOffset=130;
    for(int i=0;i<20;i++)
    {
        MyPushButton* btn=new MyPushButton("://res/LevelIcon.png","://res/LevelIcon.png",this);
        btn->setText(QString::number(i+1));
        int row=i/4;
        int col=i%4;
        int x=col*colWidth+xOffset;
        int y=row*rowWidth+yOffset;
        btn->resize(57,57);
        btn->move(x,y);
        //点击关卡按钮
        connect(btn,&MyPushButton::clicked,[=](){


            //设置按钮音效
            QSoundEffect *sound=new QSoundEffect(this);
            sound->setSource(QUrl::fromLocalFile(":/res/BackButtonSound.wav"));
            sound->play();


            playScene *playScene=new class playScene(i+1,this);
            playScene->setAttribute(Qt::WA_DeleteOnClose);//关闭后窗口后释放开辟的内存
            playScene->move(this->pos());//窗口对齐
            this->hide();
            playScene->show();
            //当点击back按钮时 从playScene返回到selectScene
            connect(playScene,&playScene::backBtnClicked,[=](){


                //设置按钮音效
                QSoundEffect *sound=new QSoundEffect(this);
                sound->setSource(QUrl::fromLocalFile(":/res/BackButtonSound.wav"));
                sound->play();

                this->move(playScene->pos());
                this->show();
                playScene->close();
            });


        });
    }
}

void selectScene::paintEvent(QPaintEvent *ev)
{
  //绘制图片
    QPainter painter(this);
    painter.translate(0,this->menuBar()->height());//设置画家开始绘画的位置
    QPixmap pix("://res/OtherSceneBg.png");
    painter.drawPixmap(0,0,this->width(),this->height(),pix);
    pix.load("://res/Title.png");
    painter.drawPixmap(0,0,pix);
}