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132 lines
4.0 KiB
132 lines
4.0 KiB
// This is a part of the Microsoft Foundation Classes C++ library.
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// Copyright (C) 1992-1995 Microsoft Corporation
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// All rights reserved.
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//
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// This source code is only intended as a supplement to the
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// Microsoft Foundation Classes Reference and related
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// electronic documentation provided with the library.
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// See these sources for detailed information regarding the
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// Microsoft Foundation Classes product.
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#include "stdafx.h"
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#ifdef AFX_INIT_SEG
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#pragma code_seg(AFX_INIT_SEG)
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#endif
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// _AFX_CTL3D_STATE
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_AFX_CTL3D_STATE::~_AFX_CTL3D_STATE()
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{
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if (m_pfnUnregister != NULL)
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(*m_pfnUnregister)(NULL);
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if (m_hCtl3dLib != NULL)
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::FreeLibrary(m_hCtl3dLib);
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}
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_AFX_CTL3D_THREAD::~_AFX_CTL3D_THREAD()
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{
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_AFX_CTL3D_STATE* pCtl3dState = _afxCtl3dState.GetDataNA();
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if (pCtl3dState != NULL && pCtl3dState->m_pfnUnAutoSubclass != NULL)
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(*pCtl3dState->m_pfnUnAutoSubclass)();
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}
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/////////////////////////////////////////////////////////////////////////////
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// Support for CTL3D32.DLL (3D controls DLL)
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#if !defined(_MAC)
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BOOL CWinApp::Enable3dControls()
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{
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ASSERT(!afxContextIsDLL); // Should only be called by apps
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// 3d controls and dialogs are automatic on newer versions of Windows
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if (afxData.bWin4)
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return TRUE;
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// otherwise, attempt to load CTL3D32.DLL
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_AFX_CTL3D_STATE* pCtl3dState = _afxCtl3dState.GetData();
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if (!pCtl3dState->m_bCtl3dInited)
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{
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pCtl3dState->m_hCtl3dLib = ::LoadLibraryA("CTL3D32.DLL");
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if (pCtl3dState->m_hCtl3dLib != NULL)
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{
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// get address of Ctl3d functions
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(FARPROC&)pCtl3dState->m_pfnRegister =
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GetProcAddress(pCtl3dState->m_hCtl3dLib, (LPCSTR)12);
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(FARPROC&)pCtl3dState->m_pfnUnregister =
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GetProcAddress(pCtl3dState->m_hCtl3dLib, (LPCSTR)13);
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(FARPROC&)pCtl3dState->m_pfnAutoSubclass =
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GetProcAddress(pCtl3dState->m_hCtl3dLib, (LPCSTR)16);
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(FARPROC&)pCtl3dState->m_pfnUnAutoSubclass =
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GetProcAddress(pCtl3dState->m_hCtl3dLib, (LPCSTR)24);
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(FARPROC&)pCtl3dState->m_pfnColorChange =
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GetProcAddress(pCtl3dState->m_hCtl3dLib, (LPCSTR)6);
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(FARPROC&)pCtl3dState->m_pfnSubclassDlgEx =
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GetProcAddress(pCtl3dState->m_hCtl3dLib, (LPCSTR)21);
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(FARPROC&)pCtl3dState->m_pfnWinIniChange =
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GetProcAddress(pCtl3dState->m_hCtl3dLib, (LPCSTR)22);
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(FARPROC&)pCtl3dState->m_pfnSubclassCtl =
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GetProcAddress(pCtl3dState->m_hCtl3dLib, (LPCSTR)3);
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(FARPROC&)pCtl3dState->m_pfnSubclassCtlEx =
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GetProcAddress(pCtl3dState->m_hCtl3dLib, (LPCSTR)25);
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}
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// may be incorrect version -- check for errors
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if (pCtl3dState->m_pfnRegister == NULL ||
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pCtl3dState->m_pfnAutoSubclass == NULL ||
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pCtl3dState->m_pfnColorChange == NULL ||
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pCtl3dState->m_pfnSubclassDlgEx == NULL ||
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pCtl3dState->m_pfnUnregister == NULL ||
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!pCtl3dState->m_pfnRegister(AfxGetInstanceHandle()))
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{
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// don't want to be partially initialized
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pCtl3dState->m_pfnRegister = NULL;
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pCtl3dState->m_pfnUnregister = NULL;
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pCtl3dState->m_pfnAutoSubclass = NULL;
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pCtl3dState->m_pfnUnAutoSubclass = NULL;
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pCtl3dState->m_pfnColorChange = NULL;
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pCtl3dState->m_pfnSubclassDlgEx = NULL;
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pCtl3dState->m_pfnWinIniChange = NULL;
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pCtl3dState->m_pfnSubclassCtl = NULL;
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pCtl3dState->m_pfnSubclassCtlEx = NULL;
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// only try once -- but return FALSE
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if (pCtl3dState->m_hCtl3dLib != NULL)
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{
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::FreeLibrary(pCtl3dState->m_hCtl3dLib);
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pCtl3dState->m_hCtl3dLib = NULL;
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}
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}
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pCtl3dState->m_bCtl3dInited = TRUE;
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}
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// check that library was loaded and all entry-points were found
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if (pCtl3dState->m_hCtl3dLib == NULL)
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return FALSE;
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// turn on auto subclassing (for primary thread)
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return (*pCtl3dState->m_pfnAutoSubclass)(AfxGetInstanceHandle());
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}
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#endif
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_AFX_CTL3D_STATE* AFXAPI AfxGetCtl3dState()
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{
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return _afxCtl3dState.GetData();
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}
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#pragma warning(disable: 4074)
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#pragma init_seg(lib)
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THREAD_LOCAL(_AFX_CTL3D_THREAD, _afxCtl3dThread)
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PROCESS_LOCAL(_AFX_CTL3D_STATE, _afxCtl3dState)
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/////////////////////////////////////////////////////////////////////////////
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