inputmethod.cpp

简单的输入法 各位多多指教 简单的输入法 各位多多指教

// InputMethod.cpp: implementation of the CInputMethod class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "InputMethod.h"
#include "Common.h"
#include "configure.h"
#include "Userdefinedmessage.h"

//--------------------------------------------------------------------
//Macro define
#define SIP_WND_WIDTH			200
#define SIP_WND_HEIGHT			180
//----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CInputMethod::CInputMethod(long *plDllCnt, HINSTANCE hInst)
{	
	GETINSTANCE();	
	m_hInst = hInst;
	m_plDllCnt = plDllCnt;
	(*m_plDllCnt)++;
	m_lRef = 1;     // Set ref count to 1 on create.


#ifdef IMWND_FROM_DLL
	
	GETWINDOW = NULL;
	SHOWUSEROPTIONSDLG = NULL;
	SHOWWINDOW = NULL;
	DESTROYWINDOW = NULL;
	INITIALIZE = NULL;

	HINSTANCE hInstDll;
	hInstDll = LoadLibrary(IMWND_DLL_PATH);
	if(hInstDll != NULL)
	{
		GETWINDOW = (DLL_GETWINDOW) GetProcAddress(hInstDll,TEXT("IMGetWindow"));
		SHOWUSEROPTIONSDLG = (DLL_SHOWUSEROPTIONSDLG) GetProcAddress(hInstDll,TEXT("IMShowUserOptionsDlg"));
		SHOWWINDOW = (DLL_SHOWWINDOW) GetProcAddress(hInstDll,TEXT("IMShowWindow"));
		DESTROYWINDOW = (DLL_DESTROYWINDOW) GetProcAddress(hInstDll,TEXT("IMDestroyWindow"));
		INITIALIZE = (DLL_INITIALIZE) GetProcAddress(hInstDll,TEXT("IMInitialize"));
	}

	if(GETWINDOW == NULL ||
		SHOWUSEROPTIONSDLG == NULL ||
		SHOWWINDOW == NULL ||
		DESTROYWINDOW == NULL ||
		INITIALIZE == NULL )
	{
		m_bLoadLib = FALSE;
	}
	else
	{
		m_bLoadLib = TRUE;
	}

#endif

}

CInputMethod::~CInputMethod()
{
	(*m_plDllCnt)--;
}


//-------------------------------------------------------------------------------------------
//Description:
//	This method is implemented to create the windows and image list for the input method (IM).
//----------------------------------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE CInputMethod::Select(HWND hWndSip)
{
	WRITELOG("CInputMethod::Select()");
	
	if(INITIALIZE(m_hInst,hWndSip) == FALSE)
	{
		WRITELOG("CInputMethod::Select--> E_FAIL");

		return E_FAIL;
	}

	SHOWWINDOW(TRUE);

	WRITELOG("CInputMethod::Select--> S_OK");

	return S_OK;
}

//-------------------------------------------------------------------------------------------
//Description:
//	This method is implemented to select the input method (IM) out of the software-based 
//input panel window and to destroy the IM windows. 
//----------------------------------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE CInputMethod::Deselect()
{
	WRITELOG("CInputMethod::Deselect()");

	DESTROYWINDOW();
	return S_OK;
}

//-------------------------------------------------------------------------------------------
//Description:
//	This method is implemented to perform any initialization before the software-based 
//input panel window is displayed
//----------------------------------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE CInputMethod::Showing()
{
	WRITELOG("CInputMethod::Showing()");

	SHOWWINDOW(TRUE);
	return S_OK;
}

//-------------------------------------------------------------------------------------------
//Description:
//	This method is implemented to perform any saving routines before the software-based 
//input panel is hidden.
//----------------------------------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE CInputMethod::Hiding()
{
	WRITELOG("CInputMethod::Hiding()");

	SHOWWINDOW(FALSE);

	return S_OK;
}


//-------------------------------------------------------------------------------------------
//Description:
//	This method is implemented to return information about the current input 
//method (IM) to the operating system.
//----------------------------------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE CInputMethod::GetInfo(IMINFO *pimi)
{
	WRITELOG("CInputMethod::GetInfo()");

	pimi->cbSize = sizeof (IMINFO);
	pimi->hImageNarrow = 0;
	pimi->hImageWide = 0;
	pimi->iNarrow = 0;
	pimi->iWide = 0;  
	pimi->fdwFlags = SIPF_DOCKED;

	pimi->rcSipRect.left = 0;
	pimi->rcSipRect.top = 0;
	pimi->rcSipRect.right = SIP_WND_WIDTH;
	pimi->rcSipRect.bottom = SIP_WND_HEIGHT;
	return S_OK;
}

//-------------------------------------------------------------------------------------------
//Description:
//	This method is implemented for the IM to receive information about the size,
//placement, and docked status of the software-based input panel.
//----------------------------------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE CInputMethod::ReceiveSipInfo(SIPINFO *psi)
{
	WRITELOG("CInputMethod::ReceiveSipInfo()");

	return S_OK;
}

//-------------------------------------------------------------------------------------------
//Description:
//	This method is implemented to receive a pointer to an IIMCallback interface. 
//An input method (IM) uses the IIMCallback interface to send keystrokes to applications 
//and to change the icons on the Input Panel button.
//----------------------------------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE CInputMethod::RegisterCallback(IIMCallback *pIMCallback)
{
	WRITELOG("CInputMethod::RegisterCallback()");

	//Tell the IM window to register the callback
	HWND hWnd = GETWINDOW();
	SendMessage(hWnd,MYMSG_REGCALLBACK,(WPARAM)pIMCallback,0);
	return S_OK;
}

//-------------------------------------------------------------------------------------------
//Description:
//	This method is implemented to send data from the current 
//input method (IM) to the current application.
//----------------------------------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE CInputMethod::GetImData(DWORD dwSize, void *pvImData)
{
	WRITELOG("CInputMethod::GetImData()");

	return S_OK;
}

//-------------------------------------------------------------------------------------------
//Description:
//	This method is implemented to respond to an application's request to 
//set input method (IM)-specific data within the IM.
//----------------------------------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE CInputMethod::SetImData(DWORD dwSize, void *pvImData)
{
	WRITELOG("CInputMethod::SetImData()");

	return S_OK;
}

//---------------------------------------------------------------------
//Description:
//	Increment object ref count
//----------------------------------------------------------------------
STDMETHODIMP CInputMethod::QueryInterface(REFIID riid, LPVOID *ppv)
{
	WRITELOG("CInputMethod::QueryInterface()");


#ifdef IMWND_FROM_DLL
	if(m_bLoadLib == FALSE)
	{
		WRITELOG("Failed in loading the IMWnd Dll");
		return E_NOINTERFACE;
	}
#endif //#ifdef IMWND_FROM_DLL


	// If caller wants our IUnknown or IID_IInputMethod2 object, 
	// return a pointer to the object.
    if (IsEqualIID (riid, IID_IUnknown) || IsEqualIID (riid, IID_IInputMethod) || IsEqualIID (riid, IID_IInputMethod2))
	{
        // Return ptr to object.
        *ppv = (IInputMethod *)this;
        AddRef();                // Increment ref to prevent delete on return.
        return NOERROR;
    }
    *ppv = NULL;
    return (E_NOINTERFACE);

}


//---------------------------------------------------------------------
//Description:
//	Increment object ref count
//----------------------------------------------------------------------
STDMETHODIMP_(ULONG) CInputMethod::AddRef()
{
	WRITELOG("CInputMethod::AddRef()");
   
	ULONG cnt;   
    cnt = (ULONG)InterlockedIncrement (&m_lRef);
    return cnt;
}

//---------------------------------------------------------------------
//Description:
//	Increment object ref count
//----------------------------------------------------------------------
STDMETHODIMP_(ULONG) CInputMethod::Release()
{
	WRITELOG("CInputMethod::Release()");

    ULONG cnt;
   
    cnt = (ULONG)InterlockedDecrement (&m_lRef);
    if (cnt == 0) 
	{
        delete this;
        return 0;
    }
    return cnt;
}


//---------------------------------------------------------------------
//Description:
//	The SIP Control Panel applet is asking for a configuration dialog box to be displayed.
//----------------------------------------------------------------------
HRESULT STDMETHODCALLTYPE CInputMethod::UserOptionsDlg(HWND hwndParent)
{
	WRITELOG("CInputMethod::UserOptionsDlg()");

	SHOWUSEROPTIONSDLG(hwndParent,m_hInst);
	return S_OK;
}