step10.cpp

飞虹 vision仿windows开发

//Copyright 1994-1997飞虹软件工作室
//本程序演示如何产生编辑框
#include"..\include\app.h"
#include"..\include\mapp.h"
#include"..\include\mbutton.h"
#include"..\include\medit.h"
#include"..\include\mtext.h"
ifstream MApp::HZ("\\SUNSHINE\\hz.fon",ios::binary); //汉字库
MApp * MApp::Application; //应用标志,上2行必须定义!
class myMButton : public MButton
 {
	public:
	 myMButton(int x,int y,int w,int h,char *text,char *idname,char *sta)
	  : MButton(x,y,w,h,text,idname,sta){}
	 virtual int F();  //重载F函数,当按钮按下时激活此函数
 };
class myMEdit : public MEdit
 {
	public:
	 myMEdit(int x,int y,int l,EDITTYPE edittype,char *defedit,char *idname)
	  : MEdit(x,y,l,edittype,defedit,idname){}
	 virtual int Condition(int c); //此函数判断所接受的扫描码是否是本编辑框需要的
	//返回0:错误输入,1:正确输入
 };
main()
 {
  MApp myapp; //产生一个应用
  myapp.Paint("编辑控制");
  myapp.Add(*new myMButton(120,80,130,60,"查看编辑框值","B1",
				"此按钮查看编辑框的值"));
  myapp.Add(*new MText(100,205,"T1","输入用户姓名:\n"));
  myapp.Add(*new MText(100,275,"T2","输入用户年龄:\n"));
  myapp.Add(*new MEdit(220,200,20,TEXT,"Rober Yang","E1"));
  //参数1,2:位置,参数3:最大字符个数,参数4:属性
  //一般为TEXT,此项保留,参数5:默认值
  //参数6:标志
  //下 一个输入数字必须重载虚函数Condition
  myapp.Add(*new myMEdit(220,270,3,TEXT,"34","E2"));
  return myapp.Process();
 }
int myMEdit::Condition(int c)
 {
  char b=(char)c; //取扫描码低位
  if(b>='0'&&b<='9') return 1;
  else {cout<<"\a";return 0;}  //错误响铃
 }
int myMButton::F()
 {
	char *c1,*c2;
	Mouse am(1); //加参数1自动实现Mouse off and on
	setfillstyle(SOLID_FILL,BLUE);
	bar(300,100,600,140);
	//下一非常有用,它用应用标志MApp::Application(类型MApp*)
	//的成员函数GetObj(char *标志)返回所给标志实例,但必需进行
	//类型转换
	c1=((MEdit&)(MApp::Application->GetObj("E1"))).GetEdit();
	c2=((MEdit&)(MApp::Application->GetObj("E2"))).GetEdit();
	//GetEdit返回编辑缓冲
	Write(c1,310,110,WHITE);
	Write(c2,500,110,WHITE);
	return 1;
 }