CMruShortList Class Reference

Inheritance diagram for CMruShortList:

Collaboration diagram for CMruShortList:

Public Member Functions
	CMruShortList ()
	~CMruShortList () override
Public Member Functions inherited from CMruBase
	CMruBase ()
virtual	~CMruBase ()
STDMETHODIMP	QueryInterface (REFIID riid, void **ppvObj) override
	STDMETHODIMP_ (ULONG) AddRef() override
	STDMETHODIMP_ (ULONG) Release() override
STDMETHODIMP	InitData (UINT cCapacity, UINT flags, HKEY hKey, LPCWSTR pszSubKey OPTIONAL, SLOTCOMPARE fnCompare OPTIONAL) override
STDMETHODIMP	AddData (LPCVOID pvData, DWORD cbData, UINT *piSlot) override
STDMETHODIMP	FindData (LPCVOID pvData, DWORD cbData, UINT *piSlot) override
STDMETHODIMP	GetData (UINT iSlot, LPVOID pvData, DWORD cbData) override
STDMETHODIMP	QueryInfo (UINT iSlot, UINT *piGotSlot, DWORD *pcbData) override
STDMETHODIMP	Delete (UINT iSlot) override
virtual BOOL	_IsEqual (const SLOTITEMDATA *pItem, LPCVOID pvData, UINT cbData) const
virtual DWORD	_DeleteValue (LPCWSTR pszValue)
virtual HRESULT	_InitSlots ()=0
virtual void	_SaveSlots ()=0
virtual UINT	_UpdateSlots (UINT iSlot)=0
virtual void	_SlotString (UINT iSlot, LPWSTR psz, DWORD cch)=0
virtual HRESULT	_GetSlot (UINT iSlot, UINT *puSlot)=0
virtual HRESULT	_RemoveSlot (UINT iSlot, UINT *puSlot)=0

Protected Member Functions
HRESULT	_InitSlots () override
void	_SaveSlots () override
UINT	_UpdateSlots (UINT iSlot) override
void	_SlotString (UINT iSlot, LPWSTR psz, DWORD cch) override
HRESULT	_GetSlot (UINT iSlot, UINT *puSlot) override
HRESULT	_RemoveSlot (UINT iSlot, UINT *puSlot) override
Protected Member Functions inherited from CMruBase
HRESULT	_LoadItem (UINT iSlot)
HRESULT	_AddItem (UINT iSlot, LPCVOID pvData, DWORD cbData)
HRESULT	_GetItem (UINT iSlot, SLOTITEMDATA **ppItem)
void	_DeleteItem (UINT iSlot)
HRESULT	_GetSlotItem (UINT iSlot, SLOTITEMDATA **ppItem)
void	_CheckUsedSlots ()
HRESULT	_UseEmptySlot (UINT *piSlot)

Protected Attributes
LPWSTR	m_pszSlotData = NULL
Protected Attributes inherited from CMruBase
LONG	m_cRefs = 1
DWORD	m_dwFlags = 0
BOOL	m_bNeedSave = FALSE
BOOL	m_bChecked = FALSE
HKEY	m_hKey = NULL
DWORD	m_cSlotRooms = 0
DWORD	m_cSlots = 0
SLOTCOMPARE	m_fnCompare = NULL
SLOTITEMDATA *	m_pSlots = NULL

Friends
class	CMruLongList

Additional Inherited Members
Static Public Member Functions inherited from CMruBase
static void *	operator new (size_t size)
static void	operator delete (void *ptr)

Detailed Description

Definition at line 466 of file mrulist.cpp.

Constructor & Destructor Documentation

CMruShortList()

CMruShortList::CMruShortList ( )

inline

Definition at line 481 of file mrulist.cpp.

    {
    }

~CMruShortList()

CMruShortList::~CMruShortList ( )

inlineoverride

Definition at line 485 of file mrulist.cpp.

    {
        m_pszSlotData = (LPWSTR)::LocalFree(m_pszSlotData);
    }

Member Function Documentation

_GetSlot()

HRESULT CMruShortList::_GetSlot ( UINT  iSlot, UINT *  puSlot  )

overrideprotectedvirtual

Implements CMruBase.

Definition at line 557 of file mrulist.cpp.

{
    if (iSlot >= m_cSlots)
        return E_FAIL;
 
    UINT iData = m_pszSlotData[iSlot] - L'a';
    if (iData >= m_cSlotRooms)
        return E_FAIL;
 
    *puSlot = iData;
    m_pSlots[iData].dwFlags |= SLOT_SET;
    return S_OK;
}

Referenced by CMruLongList::_ImportShortList(), and _RemoveSlot().

_InitSlots()

HRESULT CMruShortList::_InitSlots ( )

overrideprotectedvirtual

Implements CMruBase.

Definition at line 491 of file mrulist.cpp.

{
    DWORD cbData = (m_cSlotRooms + 1) * sizeof(WCHAR);
    m_pszSlotData = (LPWSTR)LocalAlloc(LPTR, cbData);
    if (!m_pszSlotData)
        return E_OUTOFMEMORY;
 
    if (SHGetValueW(m_hKey, NULL, L"MRUList", NULL, m_pszSlotData, &cbData) == ERROR_SUCCESS)
        m_cSlots = (cbData / sizeof(WCHAR)) - 1;
 
    m_pszSlotData[m_cSlots] = UNICODE_NULL;
    return S_OK;
}

_RemoveSlot()

HRESULT CMruShortList::_RemoveSlot ( UINT  iSlot, UINT *  puSlot  )

overrideprotectedvirtual

Implements CMruBase.

Definition at line 571 of file mrulist.cpp.

{
    HRESULT hr = _GetSlot(iSlot, puSlot);
    if (FAILED(hr))
        return hr;
 
    MoveMemory(&m_pszSlotData[iSlot], &m_pszSlotData[iSlot + 1], (m_cSlots - iSlot) * sizeof(WCHAR));
    --m_cSlots;
    m_pSlots->dwFlags &= ~SLOT_SET;
    m_bNeedSave = TRUE;
 
    return hr;
}

_SaveSlots()

void CMruShortList::_SaveSlots ( )

overrideprotectedvirtual

Implements CMruBase.

Definition at line 505 of file mrulist.cpp.

{
    if (m_bNeedSave)
    {
        DWORD cbData = (m_cSlots + 1) * sizeof(WCHAR);
        SHSetValueW(m_hKey, NULL, L"MRUList", REG_SZ, m_pszSlotData, cbData);
        m_bNeedSave = FALSE;
    }
}

_SlotString()

void CMruShortList::_SlotString ( UINT  iSlot, LPWSTR  psz, DWORD  cch  )

overrideprotectedvirtual

Implements CMruBase.

Definition at line 548 of file mrulist.cpp.

{
    if (cch >= 2)
    {
        psz[0] = (WCHAR)(L'a' + iSlot);
        psz[1] = UNICODE_NULL;
    }
}

_UpdateSlots()

UINT CMruShortList::_UpdateSlots ( UINT  iSlot )

overrideprotectedvirtual

Implements CMruBase.

Definition at line 516 of file mrulist.cpp.

{
    UINT iData, cDataToMove = iSlot;
 
    if (iSlot == m_cSlots)
    {
        if (SUCCEEDED(_UseEmptySlot(&iData)))
        {
            ++cDataToMove;
        }
        else
        {
            // This code is getting the item index from a lowercase letter.
            iData = m_pszSlotData[m_cSlots - 1] - L'a';
            --cDataToMove;
        }
    }
    else
    {
        iData = m_pszSlotData[iSlot] - L'a';
    }
 
    if (cDataToMove)
    {
        MoveMemory(m_pszSlotData + 1, m_pszSlotData, cDataToMove * sizeof(WCHAR));
        m_pszSlotData[0] = (WCHAR)(L'a' + iData);
        m_bNeedSave = TRUE;
    }
 
    return iData;
}

Friends And Related Function Documentation

CMruLongList

friend class CMruLongList

friend

Definition at line 478 of file mrulist.cpp.

Member Data Documentation

m_pszSlotData

LPWSTR CMruShortList::m_pszSlotData = NULL

protected

Definition at line 470 of file mrulist.cpp.

Referenced by _GetSlot(), _InitSlots(), _RemoveSlot(), _SaveSlots(), _UpdateSlots(), and ~CMruShortList().

---

The documentation for this class was generated from the following file:

• dll/win32/shdocvw/mrulist.cpp