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 = ;
         this->y = ;
         this->cx = ;
         this->cy = ;
         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()
     {
         for(int i=;i<;i++)
         {
             my1->changesize(i,i);
             my1->update();
             Sleep();
         }

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

     return a.exec();
 }