输入法编程

开发平台：
Visual C++

jsIME.cpp：源码内容
							// jsIME.cpp : Defines the entry point for the DLL application.
//
#include "stdafx.h"
#include "Windows.h"
#include "stdio.h"
#include "windef.h"
#include "DllManager.h"
#include "resource.h"
#include "jsIME.h"
   
char szWindowClass[100];			
char szHello[100];
	int myMouseDown;
	RECT MdWinRect;
	int BnNum ;
	POINT Mdnpoint;
	POINT TxTpoint;
HINSTANCE  myhInst;
DllManager DllMns;
int  myFullErr=0;
int myCreatWind (HINSTANCE hInstance,HWND ParetHWND ,int x,int y, int w,int h,int nCmdShow);
BOOL InitInstance(HWND ParetHWND ,int x,int y, int w,int h, int nCmdShow);
void  DrawUIBorder( LPRECT lprc );//用指定的矩形画一个虚框
void Paint(HWND hWnd);
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
void SetTXT(char *ss);
extern HIMC savehIMC;
HWND UIhWnd;
HWND MainhWnd ;  //此变量外部程序要用来控制窗口状态 
HWND outMainhWnd;
HWND hSoftKbdWnd=NULL;
BOOL IMERegisterClass( HINSTANCE hInstance );
LONG NotifyHandle(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
LRESULT WINAPI UIWndProc(HWND hWnd,	UINT message,WPARAM wParam,	LPARAM lParam);
BOOL WINAPI DllMain (
					 HINSTANCE    hInstDLL,
					 DWORD        dwFunction,
					 LPVOID       lpNot)
{
     switch(dwFunction)
    {
	case DLL_PROCESS_ATTACH:
		myhInst = hInstDLL;
		DllMns.hInstance= hInstDLL;
		strcpy(szWindowClass,"MeIME");
		sprintf(szHello,"");
		IMERegisterClass(myhInst);
    	//MessageBox (0,"start",0,0);
		break;
    case DLL_PROCESS_DETACH:
		UnregisterClass(szWindowClass,myhInst);
		UnregisterClass(UICLASSNAME,myhInst);
		break;
    case DLL_THREAD_DETACH:
		break;
	}
    return TRUE;
}
BOOL IMERegisterClass( HINSTANCE hInstance )
{
   WNDCLASSEX wc;
   
    // 注册 UI窗口类.
    wc.cbSize         = sizeof(WNDCLASSEX);
    wc.style          = CS_FREEPY | CS_IME;
    wc.lpfnWndProc    = (WNDPROC)UIWndProc;
    wc.cbClsExtra     = 0;
    wc.cbWndExtra     = 8;
    wc.hInstance      = hInstance;
    wc.hCursor        = LoadCursor( NULL, IDC_ARROW );
    wc.hIcon          = NULL;
    wc.lpszMenuName   = (LPTSTR)NULL;
    wc.lpszClassName  = UICLASSNAME;
    wc.hbrBackground  = NULL;
    wc.hIconSm        = NULL;
    if( RegisterClassEx( (LPWNDCLASSEX)&wc )==0 )
        return FALSE;
    return TRUE;
}
//* IME UI 窗口处理程序
//* 如果形成多的乱码错误就在于此
LRESULT WINAPI UIWndProc(HWND hWnd,	UINT message,WPARAM wParam,	LPARAM lParam)
{
    HIMC           hUICurIMC;
    LPINPUTCONTEXT lpIMC;
    LONG           lRet = 0L;
	long *hWinC, *lpWinC;
	char ss[100];
	sprintf(ss,"%d",message);//131,0,1156360
 try {
    hUICurIMC = (HIMC)GetWindowLong(hWnd,IMMGWL_IMC);
	if (!hUICurIMC)
    {
        switch (message)
        {
		case WM_IME_STARTCOMPOSITION:
		case WM_IME_ENDCOMPOSITION:
		case WM_IME_COMPOSITION:
		case WM_IME_NOTIFY:
		case WM_IME_CONTROL:
		case WM_IME_COMPOSITIONFULL:
		case WM_IME_SELECT:
		case WM_IME_CHAR:
			return 0L;
		default:
			break;
        }
    }
	
	switch (message)
    {
	case WM_CREATE:
		//启动提示窗口。
		outMainhWnd=hWnd;
		strcpy(szWindowClass,"MeIME");
		if(myFullErr==0)
			myFullErr=DllMns.mgDllStart();
			
	   if(myFullErr==0)
	   {
			long *hh,*lphh;
			//hUICurIMC在建立时为空0.
			hh = (long*)GlobalAlloc(GHND,sizeof(LONG));
			lphh = (long*)GlobalLock(hh);
			if(lphh!=NULL)
			{
				*lphh=DllMns.CreateWin("ddt","ddd",hWnd,savehIMC);//
				SetWindowLong(hWnd,sizeof(LONG),(DWORD)hh);
			}
			GlobalUnlock(hh);
	   }
		break;
	case WM_DESTROY:
    try {
           //MessageBox (0,"ImeDestroy",0,0);
			hWinC = (long*)GetWindowLong(hWnd,IMMGWL_PRIVATE);
			lpWinC = (long*)GlobalLock(hWinC);
			if(lpWinC!=NULL)
			{
				DllMns.hmainWin=*lpWinC;
				DllMns.mgDllEnd();
			}
			GlobalUnlock(hWinC);
		    GlobalFree(hWinC);
	  } catch (...) {
		  MessageBox(0,"Error mgDllEnd",0,0);
	  }
		break;
	case WM_IME_NOTIFY:
	    lRet = NotifyHandle( hWnd,message,wParam,lParam);
		break;
	case WM_IME_SETCONTEXT:
    try {
		if (wParam)
		{
			hWinC = (long*)GetWindowLong(hWnd,IMMGWL_PRIVATE);
			lpWinC = (long*)GlobalLock(hWinC);
			if(lpWinC!=NULL)
				DllMns.hmainWin=*lpWinC;
			if (hUICurIMC)
			{
				// 输入上下文被改变, 如果有子窗口,必须更新显示
				lpIMC = ImmLockIMC(hUICurIMC);
				if (lpIMC){
					DllMns.mgUpDateaWin(hUICurIMC);
				}
				else
					DllMns.mgHideAllWin();
				ImmUnlockIMC(hUICurIMC);
			}
			else   // 输入上下文是空.
				DllMns.mgHideAllWin();
			GlobalUnlock(hWinC);
		}
	  } catch (...) {
		  MessageBox(0,"whJSIME.dll WM_IME_SETCONTEXT",0,0);
	  }
		break;
	case WM_IME_COMPOSITION:
		DllMns.mgUpDateaWin(hUICurIMC);
		break;
	case WM_IME_ENDCOMPOSITION:
		//if(!(wParam==0&&lParam==0))
			//DllMns.mgHideWin();
		break;
	default:
		return DefWindowProc(hWnd,message,wParam,lParam);
    }
} catch (...) {
	 MessageBox(0,"Error whJSIME.dll IME UIWndProc",0,0);
}
    return lRet ;
}
///////////////////////////////////////////////////
LONG NotifyHandle(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{  
	HIMC           hUICurIMC;
    LPINPUTCONTEXT lpIMC;
	long *hh,*lphh;
	char ss[1000]="";
    hUICurIMC = (HIMC)GetWindowLong(hWnd,IMMGWL_IMC);
	if (!(lpIMC = ImmLockIMC(hUICurIMC)))
        return 0L;
	hh = (long*)GetWindowLong(hWnd,IMMGWL_PRIVATE);
	lphh = (long*)GlobalLock(hh);
	if(lphh!=NULL)//确定窗口类
	{
		DllMns.hmainWin=*lphh;
		//sprintf(ss,"%d",*lphh);
		//MessageBox (0,ss,0,0);
	}
   switch (wParam)
    {
	case IMN_CLOSESTATUSWINDOW:
		DllMns.mgHideAllWin();
		break;
	case IMN_OPENSTATUSWINDOW:
		DllMns.mgUpDateaWin(hUICurIMC);
		//MessageBox (0,"IMC_SETOPENSTATUS",0,0);
		break;
	case IMN_SETCONVERSIONMODE:
		break;
	case IMN_SETCOMPOSITIONWINDOW:
		break;
	case IMN_SETOPENSTATUS:
		break;
   }
	GlobalUnlock(hh);
    ImmUnlockIMC(hUICurIMC);
    return 0;
}

						