qt实现的一个俄罗斯方块的程序 主窗口c文件

//-----------------------------------------------------------------------------------------------------
//BY:yuyongbao
//QQ:673360056
//-----------------------------------------------------------------------------------------------------
#include "tetris.h"
Tetris::Tetris(QWidget *parent)
    : QDialog(parent), ui(new Ui::Tetris)
{
    ui->setupUi(this);
    gameInit();
    this->connect(ui->frame,SIGNAL(scoreChanged(int)),this,SLOT(drawScore(int)));
    this->connect(ui->frame,SIGNAL(nextTetrixChanged()),this,SLOT(nextTetrixChangedProc()));
    this->connect(ui->frame,SIGNAL(gameOver()),this,SLOT(gameEnd()));
}
Tetris::~Tetris()
{
    delete ui;
}
void Tetris::gameInit(void)
{
    m_curScore = 0;
    //总分数以后由文件读入
    m_totalScore = 0;
    m_level = 0;
    m_line = 0;
    m_bStart = FALSE;
    m_mute = FALSE;
    m_nextTetrisPos = QRect(120,160,4*PIXPERRECT,4*PIXPERRECT);
    m_scorePos = QRect(50,200,200,40);
    m_levelPos = QRect(50,240,200,40);
    m_linePos = QRect(50,280,200,40);
    //随机种子
    qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
    skinPath = "skins/";
}
void Tetris::gameStart(void)
{
     timer = new QTimer(this);
     connect(timer, SIGNAL(timeout()), this, SLOT(timePro()));
     //游戏等级与时间之间的关系
     timer->start(1600 - m_level * 300);
     //产生当前方块和下一个方块
     ui->frame->curShape = (TetrixShape)(qrand()%7);
     ui->frame->nextShape = (TetrixShape)(qrand()%7);
   &n