utils.h File Reference

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Classes
struct	CMVERBMAP

Macros
#define	OPTIONAL_(arg)

Functions
static BOOL	IsEqualPersistClassID (IPersist *pPersist, REFCLSID clsid)
static BOOL	RegValueExists (HKEY hKey, LPCWSTR Name)
BOOL	RegKeyExists (HKEY hKey, LPCWSTR Path)
DWORD	RegSetOrDelete (HKEY hKey, LPCWSTR Name, DWORD Type, LPCVOID Data, DWORD Size)
static DWORD	RegSetString (HKEY hKey, LPCWSTR Name, LPCWSTR Str, DWORD Type OPTIONAL_(REG_SZ))
HRESULT	SHELL_MapContextMenuVerbToCmdId (LPCMINVOKECOMMANDINFO pICI, const CMVERBMAP *pMap)
HRESULT	SHELL_GetCommandStringImpl (SIZE_T CmdId, UINT uFlags, LPSTR Buf, UINT cchBuf, const CMVERBMAP *pMap)
HICON	SHELL32_SHExtractIcon (LPCWSTR File, int Index, int cx, int cy)
HRESULT	SHELL_CreateShell32DefaultExtractIcon (int IconIndex, REFIID riid, LPVOID *ppvOut)
static HRESULT	SHELL_CreateFallbackExtractIconForFolder (REFIID riid, LPVOID *ppvOut)
static HRESULT	SHELL_CreateFallbackExtractIconForNoAssocFile (REFIID riid, LPVOID *ppvOut)

Macro Definition Documentation

OPTIONAL_

#define OPTIONAL_

(

arg

)

Definition at line 14 of file utils.h.

Function Documentation

IsEqualPersistClassID()

static BOOL IsEqualPersistClassID ( IPersist *  pPersist, REFCLSID  clsid  )

inlinestatic

Definition at line 36 of file utils.h.

{
    CLSID temp;
    return pPersist && SUCCEEDED(pPersist->GetClassID(&temp)) && IsEqualCLSID(clsid, temp);
}

Referenced by CDefView::OnCreate().

RegKeyExists()

BOOL RegKeyExists ( HKEY  hKey, LPCWSTR  Path  )

inline

Definition at line 49 of file utils.h.

{
    BOOL ret = !RegOpenKeyExW(hKey, Path, 0, MAXIMUM_ALLOWED, &hKey);
    if (ret)
        RegCloseKey(hKey);
    return ret;
}

Referenced by EditTypeDlg_ReadClass(), and EditTypeDlg_WriteClass().

RegSetOrDelete()

DWORD RegSetOrDelete ( HKEY  hKey, LPCWSTR  Name, DWORD  Type, LPCVOID  Data, DWORD  Size  )

inline

Definition at line 58 of file utils.h.

{
    if (Data)
        return RegSetValueExW(hKey, Name, 0, Type, (LPBYTE)Data, Size);
    else
        return RegDeleteValueW(hKey, Name);
}

Referenced by EditTypeDlg_WriteClass().

RegSetString()

static DWORD RegSetString ( HKEY  hKey, LPCWSTR  Name, LPCWSTR  Str, DWORD Type   OPTIONAL_REG_SZ  )

inlinestatic

Definition at line 67 of file utils.h.

{
    return RegSetValueExW(hKey, Name, 0, Type, (LPBYTE)Str, (lstrlenW(Str) + 1) * sizeof(WCHAR));
}

Referenced by EditTypeDlg_WriteClass(), FileTypesDlg_AddExt(), and COpenWithList::SetDefaultHandler().

RegValueExists()

static BOOL RegValueExists ( HKEY  hKey, LPCWSTR  Name  )

inlinestatic

Definition at line 43 of file utils.h.

{
    return RegQueryValueExW(hKey, Name, NULL, NULL, NULL, NULL) == ERROR_SUCCESS;
}

Referenced by CDefaultContextMenu::AddStaticContextMenusToMenu(), EditTypeDlg_ReadClass(), and FileTypesDlg_InsertToLV().

SHELL32_SHExtractIcon()

HICON SHELL32_SHExtractIcon ( LPCWSTR  File, int  Index, int  cx, int  cy  )

inline

Definition at line 85 of file utils.h.

{
    HICON hIco;
    int r = PrivateExtractIconsW(File, Index, cx, cy, &hIco, NULL, 1, 0);
    return r > 0 ? hIco : NULL;
}

Referenced by DoExtractIcon().

SHELL_CreateFallbackExtractIconForFolder()

static HRESULT SHELL_CreateFallbackExtractIconForFolder ( REFIID  riid, LPVOID *  ppvOut  )

inlinestatic

Definition at line 96 of file utils.h.

{
    const int id = IDI_SHELL_FOLDER;
    return SHELL_CreateShell32DefaultExtractIcon(id > 1 ? -id : 0, riid, ppvOut);
}

Referenced by CRecyclerExtractIcon_CreateInstance().

SHELL_CreateFallbackExtractIconForNoAssocFile()

static HRESULT SHELL_CreateFallbackExtractIconForNoAssocFile ( REFIID  riid, LPVOID *  ppvOut  )

inlinestatic

Definition at line 103 of file utils.h.

{
    const int id = IDI_SHELL_DOCUMENT;
    return SHELL_CreateShell32DefaultExtractIcon(id > 1 ? -id : 0, riid, ppvOut);
}

Referenced by CRecyclerExtractIcon_CreateInstance().

SHELL_CreateShell32DefaultExtractIcon()

HRESULT SHELL_CreateShell32DefaultExtractIcon	(	int	IconIndex,
		REFIID	riid,
		LPVOID *	ppvOut
	)

Definition at line 1806 of file utils.cpp.

{
    CComPtr<IDefaultExtractIconInit> initIcon;
    HRESULT hr = SHCreateDefaultExtractIcon(IID_PPV_ARG(IDefaultExtractIconInit, &initIcon));
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
    initIcon->SetNormalIcon(swShell32Name, IconIndex);
    return initIcon->QueryInterface(riid, ppvOut);
}

Referenced by SHELL_CreateFallbackExtractIconForFolder(), and SHELL_CreateFallbackExtractIconForNoAssocFile().

SHELL_GetCommandStringImpl()

HRESULT SHELL_GetCommandStringImpl	(	SIZE_T	CmdId,
		UINT	uFlags,
		LPSTR	Buf,
		UINT	cchBuf,
		const CMVERBMAP *	pMap
	)

Definition at line 1783 of file utils.cpp.

{
    const CMVERBMAP* pEntry;
    switch (uFlags | GCS_UNICODE)
    {
        case GCS_VALIDATEW:
        case GCS_VERBW:
            pEntry = FindVerbMapEntry(CmdId, pMap);
            if ((uFlags | GCS_UNICODE) == GCS_VERBW)
            {
                if (!pEntry)
                    return E_INVALIDARG;
                else if (uFlags & GCS_UNICODE)
                    return SHAnsiToUnicode(pEntry->Verb, (LPWSTR)Buf, cchBuf) ? S_OK : E_FAIL;
                else
                    return StringCchCopyA(Buf, cchBuf, pEntry->Verb);
            }
            return pEntry ? S_OK : S_FALSE; // GCS_VALIDATE
    }
    return E_NOTIMPL;
}

Referenced by CCopyAsPathMenu::GetCommandString(), COpenWithMenu::GetCommandString(), CRecycleBinItemContextMenu::GetCommandString(), and CRecycleBin::GetCommandString().

SHELL_MapContextMenuVerbToCmdId()

HRESULT SHELL_MapContextMenuVerbToCmdId	(	LPCMINVOKECOMMANDINFO	pICI,
		const CMVERBMAP *	pMap
	)

Definition at line 1749 of file utils.cpp.

{
    LPCSTR pVerbA = pICI->lpVerb;
    CHAR buf[MAX_PATH];
    LPCMINVOKECOMMANDINFOEX pICIX = (LPCMINVOKECOMMANDINFOEX)pICI;
    if (IsUnicode(*pICIX) && !IS_INTRESOURCE(pICIX->lpVerbW))
    {
        if (SHUnicodeToAnsi(pICIX->lpVerbW, buf, _countof(buf)))
            pVerbA = buf;
    }
 
    if (IS_INTRESOURCE(pVerbA))
        return LOWORD(pVerbA);
    for (SIZE_T i = 0; pMap[i].Verb; ++i)
    {
        assert(SUCCEEDED((int)(pMap[i].CmdId))); // The id must be >= 0 and ideally in the 0..0x7fff range
        if (!lstrcmpiA(pMap[i].Verb, pVerbA) && pVerbA[0])
            return pMap[i].CmdId;
    }
    return E_FAIL;
}

Referenced by CCopyAsPathMenu::InvokeCommand(), COpenWithMenu::InvokeCommand(), CRecycleBinItemContextMenu::InvokeCommand(), and CRecycleBin::InvokeCommand().