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