Source code of Windows XP (NT5)
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// this file implements shell command files.
// .scf scffile
// when executed, they run a shell internal command.
// they can have stream storage, or whatnot in them
//
// file format is *PURPOSELY* text so that folks can create and modify by hand
#include "shellprv.h"
#include <desktopp.h>
#include <trayp.h>
extern HWND g_hwndTray; // desktop.cpp
void SFC_IECommand(LPCTSTR pszFile)
{
TCHAR szCommand[40];
if (GetPrivateProfileString(TEXT("IE"), TEXT("Command"), TEXT(""), szCommand, ARRAYSIZE(szCommand), pszFile))
{
if (!lstrcmpi(szCommand, TEXT("Channels"))
&& !SHRestricted2W(REST_NoChannelUI, NULL, 0))
{
Channel_QuickLaunch();
}
}
}
void SFC_TrayCommand(LPCTSTR pszFile)
{
HWND hwnd = g_hwndTray;
if (hwnd && IsWindowInProcess(hwnd))
{
TCHAR szCommand[40];
if (GetPrivateProfileString(TEXT("Taskbar"), TEXT("Command"), TEXT(""), szCommand, ARRAYSIZE(szCommand), pszFile))
{
char szAnsiCommand[40];
SHTCharToAnsi(szCommand, szAnsiCommand, ARRAYSIZE(szAnsiCommand));
LPSTR psz = StrDupA(szAnsiCommand);
if (psz)
{
if (!PostMessage(hwnd, TM_PRIVATECOMMAND, 0, (LPARAM)psz))
LocalFree(psz);
}
}
}
}
const struct
{
UINT id;
void (*pfn)(LPCTSTR pszBuf);
}
c_sCmdInfo[] =
{
{ 2, SFC_TrayCommand},
{ 3, SFC_IECommand},
};
STDAPI_(void) ShellExecCommandFile(LPCITEMIDLIST pidl)
{
TCHAR szFile[MAX_PATH];
if (SHGetPathFromIDList(pidl, szFile))
{
UINT uID = GetPrivateProfileInt(TEXT("Shell"), TEXT("Command"), 0, szFile);
if (uID)
{
for (int i = 0; i < ARRAYSIZE(c_sCmdInfo); i++)
{
if (uID == c_sCmdInfo[i].id)
{
c_sCmdInfo[i].pfn(szFile);
break;
}
}
}
}
}
class CShellCmdFileIcon : public IExtractIconA, public IExtractIconW, public IPersistFile
{
public:
// IUnknown
STDMETHODIMP QueryInterface(REFIID riid, void** ppv);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
// IExtractIconA
STDMETHODIMP GetIconLocation(UINT uFlags, LPSTR pszIconFile, UINT cchMax, int* piIndex, UINT* pwFlags);
STDMETHODIMP Extract(LPCSTR pszFile, UINT nIconIndex, HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize) {return S_FALSE;};
// IExtractIconW
STDMETHODIMP GetIconLocation(UINT uFlags, LPWSTR pszIconFile, UINT cchMax, int* piIndex, UINT* pwFlags);
STDMETHODIMP Extract(LPCWSTR pszFile, UINT nIconIndex, HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize) {return S_FALSE;};
// IPersist
STDMETHODIMP GetClassID(CLSID *pclsid) { *pclsid = CLSID_CmdFileIcon; return S_OK;};
// IPersistFile
STDMETHODIMP IsDirty(void) {return S_FALSE;};
STDMETHODIMP Save(LPCOLESTR pcwszFileName, BOOL bRemember) {return S_OK;};
STDMETHODIMP SaveCompleted(LPCOLESTR pcwszFileName){return S_OK;};
STDMETHODIMP Load(LPCOLESTR pcwszFileName, DWORD dwMode);
STDMETHODIMP GetCurFile(LPOLESTR *ppwszFileName);
CShellCmdFileIcon() { _cRef = 1; DllAddRef(); };
private:
~CShellCmdFileIcon() { DllRelease(); };
LONG _cRef;
TCHAR _szFile[MAX_PATH];
};
ULONG CShellCmdFileIcon::AddRef()
{
return InterlockedIncrement(&_cRef);
}
ULONG CShellCmdFileIcon::Release()
{
if (InterlockedDecrement(&_cRef))
return _cRef;
delete this;
return 0;
}
HRESULT CShellCmdFileIcon::GetIconLocation(UINT uFlags, LPTSTR szIconFile, UINT cchMax, int *piIndex, UINT *pwFlags)
{
TCHAR szData[MAX_PATH + 80];
if (_szFile[0])
{
*pwFlags = 0;
*piIndex = 0;
szIconFile[0] = 0;
GetPrivateProfileString(TEXT("Shell"), TEXT("IconFile"), TEXT(""), szData, ARRAYSIZE(szData), _szFile);
*piIndex = PathParseIconLocation(szData);
lstrcpyn(szIconFile, szData, cchMax);
return S_OK;
}
return E_FAIL;
}
HRESULT CShellCmdFileIcon::GetIconLocation(UINT uFlags, LPSTR szIconFile, UINT cchMax, int *piIndex, UINT *pwFlags)
{
WCHAR szAnsiIconPath[MAX_PATH];
HRESULT hr = GetIconLocation(uFlags, szAnsiIconPath, MAX_PATH, piIndex, pwFlags);
if (SUCCEEDED(hr))
{
SHUnicodeToAnsi(szAnsiIconPath, szIconFile, cchMax);
}
return hr;
}
// IPersistFile::Load
STDMETHODIMP CShellCmdFileIcon::Load(LPCOLESTR pwszFile, DWORD dwMode)
{
SHUnicodeToTChar(pwszFile, _szFile, ARRAYSIZE(_szFile));
return S_OK;
}
STDMETHODIMP CShellCmdFileIcon::GetCurFile(LPOLESTR *ppwszFileName)
{
SHTCharToUnicode(_szFile, *ppwszFileName, ARRAYSIZE(_szFile));
return S_OK;
}
HRESULT CShellCmdFileIcon::QueryInterface(REFIID riid, void **ppv)
{
static const QITAB qit[] =
{
QITABENT(CShellCmdFileIcon, IExtractIconA),
QITABENT(CShellCmdFileIcon, IExtractIconW),
QITABENT(CShellCmdFileIcon, IPersistFile),
QITABENTMULTI(CShellCmdFileIcon, IPersist, IPersistFile),
{ 0 },
};
return QISearch(this, qit, riid, ppv);
}
STDAPI CShellCmdFileIcon_CreateInstance(IUnknown* pUnkOuter, REFIID riid, void **ppv)
{
HRESULT hr;
CShellCmdFileIcon *pObj = new CShellCmdFileIcon();
if (pObj)
{
hr = pObj->QueryInterface(riid, ppv);
pObj->Release();
}
else
{
*ppv = NULL;
hr = E_OUTOFMEMORY;
}
return hr;
}