74.QT窗口实现类的封装

 1 #include "mainwindow.h"
 2 #include <QApplication>
 3 #include <windows.h>
 4 
 5 //定义一个窗口类
 6 class Window
 7 {
 8 public:
 9     MainWindow *p;
10     int x;//大小
11     int y;
12     int cx;//位置
13     int cy;
14 
15 public:
16     Window()
17     {
18         p = new MainWindow();
19         this->x = 0;
20         this->y = 0;
21         this->cx = 100;
22         this->cy = 100;
23         p->resize(this->x,this->y);
24         p->move(this->cx,this->cy);
25         p->show();
26     }
27     ~Window()
28     {
29         delete p;
30     }
31 
32     void update()
33     {
34         p->resize(this->x,this->y);
35         p->move(this->cx,this->cy);
36     }
37 
38     void changesize(int a,int b)
39     {
40         this->x = a;
41         this->y = b;
42     }
43 
44     void changepos(int x,int y)
45     {
46         this->cx = x;
47         this->cy = y;
48     }
49 };
50 
51 int main(int argc, char *argv[])
52 {
53     QApplication a(argc, argv);
54 
55     Window *my1 = new Window();
56     while(1)
57     {
58         for(int i=100;i<800;i++)
59         {
60             my1->changesize(i,i);
61             my1->update();
62             Sleep(5);
63         }
64 
65         for(int i=800;i>100;i--)
66         {
67             my1->changesize(i,i);
68             my1->update();
69             Sleep(5);
70         }
71     }
72 
73 
74     return a.exec();
75 }