Source code of Windows XP (NT5)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

124 lines
4.4 KiB

/*--------------------------------------------------------------------------*
*
* Microsoft Windows
* Copyright (C) Microsoft Corporation, 1999
*
* File: SiteBase.h
*
* Contents: Header file for CAxWindowImplT. Refer to MSJ, December 1999.
*
* History: 30-Nov-99 VivekJ Created
*
*--------------------------------------------------------------------------*/
#pragma once
#ifndef __SITEBASE_H_
#define __SITEBASE_H_
//------------------------------------------------------------------------------------------------------------------
//
//
//
#include "AxWin2.H"
template <typename TDerived, typename TWindow = CAxWindow2>
class CAxWindowImplT : public CWindowImplBaseT< TWindow >
{
public:
typedef CAxWindowImplT<TWindow> thisClass;
public:
BEGIN_MSG_MAP(thisClass)
MESSAGE_HANDLER(WM_CREATE,OnCreate)
MESSAGE_HANDLER(WM_NCDESTROY,OnNCDestroy)
END_MSG_MAP()
//
DECLARE_WND_SUPERCLASS(_T("AtlAxWinEx"),CAxWindow::GetWndClassName())
HWND Create(HWND hWndParent, RECT& rcPos, LPCTSTR szWindowName = NULL,
DWORD dwStyle = 0, DWORD dwExStyle = 0,
UINT nID = 0, LPVOID lpCreateParam = NULL)
{
if (GetWndClassInfo().m_lpszOrigName == NULL)
GetWndClassInfo().m_lpszOrigName = GetWndClassName();
ATOM atom = GetWndClassInfo().Register(&m_pfnSuperWindowProc);
dwStyle = GetWndStyle(dwStyle);
dwExStyle = GetWndExStyle(dwExStyle);
return CWindowImplBaseT<TWindow>::Create(hWndParent, rcPos, szWindowName,dwStyle, dwExStyle, nID,atom, lpCreateParam);
}
HRESULT AxCreateControl2(LPCOLESTR lpszName, HWND hWnd, IStream* pStream, IUnknown** ppUnkContainer, IUnknown** ppUnkControl = 0, REFIID iidSink = IID_NULL, IUnknown* punkSink = 0)
{
return AtlAxCreateControlEx(lpszName, hWnd, pStream,ppUnkContainer,ppUnkControl,iidSink,punkSink);
}
public:
LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
::OleInitialize(NULL);
CREATESTRUCT* lpCreate = (CREATESTRUCT*)lParam;
int nLen = ::GetWindowTextLength(m_hWnd);
LPTSTR lpstrName = (LPTSTR)_alloca((nLen + 1) * sizeof(TCHAR));
::GetWindowText(m_hWnd, lpstrName, nLen + 1);
::SetWindowText(m_hWnd, _T(""));
IAxWinHostWindow* pAxWindow = NULL;
int nCreateSize = 0;
if (lpCreate && lpCreate->lpCreateParams)
nCreateSize = *((WORD*)lpCreate->lpCreateParams);
HGLOBAL h = GlobalAlloc(GHND, nCreateSize);
CComPtr<IStream> spStream;
if (h && nCreateSize)
{
BYTE* pBytes = (BYTE*) GlobalLock(h);
BYTE* pSource = ((BYTE*)(lpCreate->lpCreateParams)) + sizeof(WORD);
//Align to DWORD
//pSource += (((~((DWORD)pSource)) + 1) & 3);
memcpy(pBytes, pSource, nCreateSize);
GlobalUnlock(h);
CreateStreamOnHGlobal(h, TRUE, &spStream);
}
USES_CONVERSION;
CComPtr<IUnknown> spUnk;
TDerived* pT = static_cast<TDerived*>(this);
HRESULT hRet = pT->AxCreateControl2(T2COLE(lpstrName), m_hWnd, spStream, &spUnk);
if(FAILED(hRet))
return -1; // abort window creation
hRet = spUnk->QueryInterface(IID_IAxWinHostWindow, (void**)&pAxWindow);
if(FAILED(hRet))
return -1; // abort window creation
::SetWindowLongPtr(m_hWnd, GWLP_USERDATA, (DWORD_PTR)pAxWindow);
// check for control parent style if control has a window
HWND hWndChild = ::GetWindow(m_hWnd, GW_CHILD);
if(hWndChild != NULL)
{
if(::GetWindowLong(hWndChild, GWL_EXSTYLE) & WS_EX_CONTROLPARENT)
{
DWORD dwExStyle = ::GetWindowLong(m_hWnd, GWL_EXSTYLE);
dwExStyle |= WS_EX_CONTROLPARENT;
::SetWindowLong(m_hWnd, GWL_EXSTYLE, dwExStyle);
}
}
bHandled = TRUE;
return 0L;
}
LRESULT OnNCDestroy(UINT , WPARAM , LPARAM , BOOL& bHandled)
{
IAxWinHostWindow* pAxWindow = (IAxWinHostWindow*)::GetWindowLongPtr(m_hWnd, GWLP_USERDATA);
if(pAxWindow != NULL)
pAxWindow->Release();
OleUninitialize();
m_hWnd = 0;
bHandled = TRUE;
return 0L;
}
};
//-----------------------------------------------------------------------------------------------------------------
#endif