Win32控制台下消息机制的模拟

#include "stdafx.h"#include "SimulateMsg.h"#include "conio.h"#include <iostream>using namespace std;#define MSG_KEY 0x1224 //有键盘输入#define MSG_CHAR 0x1225 //有字符输入#define MSG_QUIT 0x0001 //退出#define MSG_CLOSE 0x0002 //关闭#ifdef _DEBUG#define new DEBUG_NEW#endif// 唯一的应用程序对象CWinApp theApp;//定义消息struct _MSG {int Message;int Parameter;};//消息队列CList<_MSG> _MsgQueue;//消息处理函数typedef void (*MessageProc) (int Message, int Parameter);MessageProc _MessageHandler;//发送消息void _PostMessage(int Message, int Parameter){_MSG NewMsg;NewMsg.Message = Message;NewMsg.Parameter = Parameter;_MsgQueue.AddTail(NewMsg);}//读取消息队列中的新消息bool _GetMessage(_MSG* pMsg){while (_MsgQueue.IsEmpty());_MSG LastMsg = _MsgQueue.RemoveHead();*pMsg = LastMsg;if (pMsg->Message == MSG_QUIT)return false;return true;}//转换消息void _TranslateMessage(_MSG* pMsg){//x键为系统键if (pMsg->Message == MSG_KEY && pMsg->Parameter == 'x'){pMsg->Message = MSG_CLOSE;return;}//将键盘消息转换成字符消息if (pMsg->Message == MSG_KEY){pMsg->Message = MSG_CHAR;}}//分发消息void _DispatchMessage(_MSG* pMsg){(*_MessageHandler)(pMsg->Message, pMsg->Parameter);}//消息循环，负责读取消息→分发消息void MessageLoop(MessageProc handler){_MessageHandler = handler;_MSG msg;while (_GetMessage(&msg)){_TranslateMessage(&msg);_DispatchMessage(&msg);}}//对MSG_CHAR的相应void OnChar(int charInput){if (charInput == 'q'){cout << "byebye!"<< endl;_PostMessage(MSG_QUIT, 0);}cout << "you typed "<< (char)charInput << endl;}//对MSG_CLOSE的相应void OnClose(int charInput){cout << "bye bye!"<< endl;_PostMessage(MSG_QUIT, 0);}void MyMessageProc(int Message, int Parameter){switch (Message){case MSG_CHAR:OnChar(Parameter);break;case MSG_CLOSE:OnClose(Parameter);break;}}//消息发生器UINT GatherMessages(LPVOID pParam){while(*((bool*)pParam)){//键盘输入if (_kbhit()){int ch = _getch();_PostMessage(MSG_KEY, ch);}}return 0;}int main(void){bool flag = true;//打开消息发生器AfxBeginThread(GatherMessages, &flag);//开始消息循环处理MessageLoop(MyMessageProc);flag = false;//AfxEndThread(0);return 0;}