74.QT窗口实现类的封装

#include "mainwindow.h"
#include <QApplication>
#include <windows.h>

//定义一个窗口类
class Window
{
public:
    MainWindow *p;
    int x;//大小
    int y;
    int cx;//位置
    int cy;

public:
    Window()
    {
        p = new MainWindow();
        this->x = 0;
        this->y = 0;
        this->cx = 100;
        this->cy = 100;
        p->resize(this->x,this->y);
        p->move(this->cx,this->cy);
        p->show();
    }
    ~Window()
    {
        delete p;
    }

    void update()
    {
        p->resize(this->x,this->y);
        p->move(this->cx,this->cy);
    }

    void changesize(int a,int b)
    {
        this->x = a;
        this->y = b;
    }

    void changepos(int x,int y)
    {
        this->cx = x;
        this->cy = y;
    }
};

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    Window *my1 = new Window();
    while(1)
    {
        for(int i=100;i<800;i++)
        {
            my1->changesize(i,i);
            my1->update();
            Sleep(5);
        }

        for(int i=800;i>100;i--)
        {
            my1->changesize(i,i);
            my1->update();
            Sleep(5);
        }
    }


    return a.exec();
}