// WTLSingleInstance.cpp : main source file for WTLSingleInstance.exe
//

#include "stdafx.h"

#include <atlframe.h>
#include <atlctrls.h>
#include <atldlgs.h>
#include <atlctrlw.h>


#include "resource.h"

#include "WTLSingleInstanceView.h"
#include "aboutdlg.h"
#include "MainFrm.h"

#include "SingleInstance.H"
CMySingleInstanceModule _Module;

///-----------------------------------------------------------------------------------------------------------
HDDEDATA CALLBACK CMySingleInstanceMgr::DdeCallback(UINT uType, UINT, HCONV ,HSZ hszTopic, HSZ , HDDEDATA hDdeData, DWORD, DWORD)
{   
	UINT nSize =0;
	LPTSTR psz = 0;
	if(uType == XTYP_CONNECT)        
	{
		nSize = DdeQueryString ( _Module.GetInstanceID(), hszTopic, NULL, 0, CP_WINANSI ) + sizeof(TCHAR);
		psz = new  TCHAR[nSize];

		DdeQueryString ( _Module.GetInstanceID(), hszTopic, psz, nSize, CP_WINANSI );

		if (lstrcmp ( psz, _T("Single_Instance_Topic") ) == 0)                
		{
			::SetForegroundWindow( _Module.GetAppWnd() );
		}

		delete psz;psz = 0;                
		return (HDDEDATA)DDE_FACK; 
	}
	else if(uType == XTYP_EXECUTE)
	{
		nSize = DdeGetData(hDdeData,0,0,0) + sizeof(TCHAR);
		psz = new TCHAR[nSize];
		DdeGetData (hDdeData, (unsigned char*)psz, nSize,0);
		_Module.InvokeCmdLine(psz);
		delete psz;psz = 0;
	}

	return (HDDEDATA)0;
}

///-----------------------------------------------------------------------------------------------------------

int Run(LPTSTR lpstrCmdLine = NULL, int nCmdShow = SW_SHOWDEFAULT)
{
	CMessageLoop theLoop;
	_Module.AddMessageLoop(&theLoop);

	CMainFrame wndMain;

	if(wndMain.CreateEx() == NULL)
	{
		ATLTRACE(_T("Main window creation failed!\n"));
		return 0;
	}

	wndMain.ShowWindow(nCmdShow);
	_Module.SetAppWnd(wndMain.m_hWnd); ///*******
	//send the cmd line to the mainframe
	wndMain.SendMessage(c_Msg_NewDocument,0,(LPARAM)lpstrCmdLine);

	int nRet = theLoop.Run();

	_Module.RemoveMessageLoop();
	return nRet;
}

///-----------------------------------------------------------------------------------------------------------
int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE /*hPrevInstance*/, LPTSTR lpstrCmdLine, int nCmdShow)
{
	 _Module.Init(lpstrCmdLine,0, hInstance);///*******
    
	if(_Module.IsAnInstanceRunning())///*******
	{
		_Module.Term();
		return 0L;
	}

#if (_WIN32_IE >= 0x0300)
	INITCOMMONCONTROLSEX iccx;
	iccx.dwSize = sizeof(iccx);
	iccx.dwICC = ICC_COOL_CLASSES | ICC_BAR_CLASSES;
	BOOL bRet = ::InitCommonControlsEx(&iccx);
	bRet;
	ATLASSERT(bRet);
#else
	::InitCommonControls();
#endif

	AtlAxWinInit();

	int nRet = Run(lpstrCmdLine, nCmdShow);

	_Module.Term();
	return nRet;
}
///-----------------------------------------------------------------------------------------------------------