121 lines
3.4 KiB
C++
121 lines
3.4 KiB
C++
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////////////////////////////////////////////////////////////////////////
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//
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// CExtractIcon
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//
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// IExtractIcon implementation
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//
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////////////////////////////////////////////////////////////////////////
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#include "pch.hxx"
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#include "cexticon.h"
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CExtractIcon::CExtractIcon(int iIcon, int iIconOpen, UINT uFlags, LPSTR szModule)
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{
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DOUT("CExtractIcon::CExtractIcon");
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m_cRef = 1;
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m_iIcon = iIcon;
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m_iIconOpen = iIconOpen;
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m_uFlags = uFlags;
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if (szModule)
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StrCpyN(m_szModule, szModule, ARRAYSIZE(m_szModule));
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else
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GetModuleFileName(g_hInst, m_szModule, sizeof(m_szModule)/sizeof(char));
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}
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CExtractIcon::~CExtractIcon()
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{
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}
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////////////////////////////////////////////////////////////////////////
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//
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// IUnknown
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//
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////////////////////////////////////////////////////////////////////////
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HRESULT STDMETHODCALLTYPE CExtractIcon::QueryInterface(REFIID riid, void **ppvObject)
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{
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if (IsEqualIID(riid, IID_IUnknown))
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{
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*ppvObject = (void *)this;
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}
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else if (IsEqualIID(riid, IID_IExtractIconA))
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{
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*ppvObject = (IExtractIconA *)this;
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}
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else if (IsEqualIID(riid, IID_IExtractIconW))
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{
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*ppvObject = (IExtractIconW *)this;
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}
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else
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{
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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m_cRef++;
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return NOERROR;
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}
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ULONG STDMETHODCALLTYPE CExtractIcon::AddRef(void)
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{
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DOUT("CExtractIcon::AddRef() ==> %d", m_cRef+1);
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return ++m_cRef;
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}
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ULONG STDMETHODCALLTYPE CExtractIcon::Release(void)
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{
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DOUT("CExtractIcon::Release() ==> %d", m_cRef-1);
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if (--m_cRef==0)
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{
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delete this;
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return 0;
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}
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else
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return m_cRef;
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}
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////////////////////////////////////////////////////////////////////////
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//
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// IExtractIconA
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//
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////////////////////////////////////////////////////////////////////////
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HRESULT STDMETHODCALLTYPE CExtractIcon::GetIconLocation(UINT uFlags, LPSTR szIconFile, UINT cchMax,
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int *piIndex, UINT *pwFlags)
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{
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StrCpyN(szIconFile, m_szModule, cchMax);
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*piIndex = (uFlags & GIL_OPENICON) ? m_iIconOpen : m_iIcon;
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*pwFlags = m_uFlags;
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return NOERROR;
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}
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HRESULT STDMETHODCALLTYPE CExtractIcon::Extract(LPCSTR pszFile, UINT nIconIndex, HICON *phiconLarge,
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HICON *phiconSmall, UINT nIcons)
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{
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// let the explorer extract the icon
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return S_FALSE;
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}
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#ifndef WIN16 // WIN16FF
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////////////////////////////////////////////////////////////////////////
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//
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// IExtractIconW
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//
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////////////////////////////////////////////////////////////////////////
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HRESULT STDMETHODCALLTYPE CExtractIcon::GetIconLocation(UINT uFlags, LPWSTR szIconFile, UINT cchMax,
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int *piIndex, UINT *pwFlags)
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{
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MultiByteToWideChar(CP_ACP, 0, m_szModule, -1, szIconFile, cchMax);
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*piIndex = (uFlags & GIL_OPENICON) ? m_iIconOpen : m_iIcon;
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*pwFlags = m_uFlags;
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return NOERROR;
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}
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HRESULT STDMETHODCALLTYPE CExtractIcon::Extract(LPCWSTR pszFile, UINT nIconIndex, HICON *phiconLarge,
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HICON *phiconSmall, UINT nIcons)
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{
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// let the explorer extract the icon
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return S_FALSE;
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}
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#endif // !WIN16
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