C++学习之QT综合项目二经典翻金币小游戏及打包

#include "chooselevelscene.h"

#include <QMenuBar>

#include <QMenu>

#include <QPainter>

#include "mypushbutton.h"

#include <QTimer>

#include <QDebug>

#include <QLabel>

#include <QSound>

ChooseLevelScene::ChooseLevelScene(QWidget *parent) : QMainWindow(parent)

    //设置窗口固定尺寸

    this->setFixedSize(320,588);

    //设置图标

    this->setWindowIcon(QPixmap(":/CoinRes/Coin0001.png"));

    //设置标题

    this->setWindowTitle("选择关卡");

    //选关按钮音效

    QSound * chooseSound = new QSound(":/CoinRes/TapButtonSound.wav",this);

    //返回按钮音效

    QSound * backSound = new QSound(":/CoinRes/BackButtonSound.wav",this);

    //创建菜单栏

    QMenuBar * bar =  menuBar();

    this->setMenuBar(bar);

    //创建开始菜单

    QMenu * startMenu = bar->addMenu("开始");

    //创建退出菜单项

    QAction * quitAction =  startMenu->addAction("退出");

    //监听退出菜单项

    connect(quitAction,&QAction::triggered,[=](){ this->close(); });

    //返回按钮

    MyPushButton * backBtn = new MyPushButton(":/CoinRes/BackButton.png",":/CoinRes/BackButtonSelected.png");

    backBtn->setParent(this);

    backBtn->move(this->width()-backBtn->width(),this->height() - backBtn->height());

    //监听返回按钮点击

    connect(backBtn,&MyPushButton::clicked,[=](){

        backSound->play();

        QTimer::singleShot(500,[=](){

            //延时 返回主场景，发送自定义信号

            emit this->chooseSceneBack();

});

});

    //创建选择关卡按钮

    for(int i = 0 ; i < 20;i++)

        MyPushButton * menuBtn = new MyPushButton(":/CoinRes/LevelIcon.png");

        menuBtn->setParent(this);

        menuBtn->move( 25 + (i%4)*70 , 130 + (i/4)*70 );

        connect(menuBtn,&MyPushButton::clicked,[=](){

            //qDebug() << "您选择的是第" << i + 1 << "关" ;

            //播放音效

            chooseSound->play();

            if(this->pScene == NULL)

                this->hide();

                this->pScene = new PlayScene(i+1);

                this->pScene->setGeometry(this->geometry());

                this->pScene->show();

                connect(pScene,&PlayScene::chooseSceneBack,[=](){

                    this->setGeometry(this->pScene->geometry());

                    this->show();

                    delete this->pScene;

                    this->pScene = NULL;

});

});

        //显示按钮上的文字

        QLabel * label = new QLabel;

        label->setParent(this);

        label->setFixedSize(menuBtn->width(),menuBtn->height());

        label->setText( QString::number( i+1 ));

        label->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);

        label->move(25 + (i%4)*70 , 130 + (i/4)*70);

        //设置属性 鼠标穿透属性  51

        label->setAttribute(Qt::WA_TransparentForMouseEvents);

void ChooseLevelScene::paintEvent(QPaintEvent *event)

    QPainter painter(this);

    QPixmap pix;

    pix.load(":/CoinRes/OtherSceneBg.png");

    painter.drawPixmap(0,0,this->width(),this->height(),pix);

    //加载标题

    pix.load(":/CoinRes/Title.png");

    painter.drawPixmap(this->width()*0.5-pix.width()*0.5,30,pix.width(),pix.height(),pix);