mirror of
https://github.com/reactos/reactos.git
synced 2024-11-18 13:01:40 +00:00
133 lines
3.2 KiB
C++
133 lines
3.2 KiB
C++
/*
|
|
* PROJECT: ReactOS browseui
|
|
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
|
|
* PURPOSE: Custom MRU AutoComplete List
|
|
* COPYRIGHT: Copyright 2017 Mark Jansen (mark.jansen@reactos.org)
|
|
*/
|
|
|
|
#include "precomp.h"
|
|
|
|
CACLCustomMRU::CACLCustomMRU()
|
|
:m_bDirty(false)
|
|
{
|
|
}
|
|
|
|
CACLCustomMRU::~CACLCustomMRU()
|
|
{
|
|
PersistMRU();
|
|
m_Key.Close();
|
|
}
|
|
|
|
void CACLCustomMRU::PersistMRU()
|
|
{
|
|
WCHAR Key[2] = { 0, 0 };
|
|
|
|
if (!m_bDirty)
|
|
return;
|
|
m_bDirty = false;
|
|
|
|
if (m_Key.m_hKey)
|
|
{
|
|
m_Key.SetStringValue(L"MRUList", m_MRUList);
|
|
for (int Index = 0; Index < m_MRUList.GetLength(); ++Index)
|
|
{
|
|
Key[0] = Index + 'a';
|
|
m_Key.SetStringValue(Key, m_MRUData[Index]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// *** IACLCustomMRU methods ***
|
|
HRESULT STDMETHODCALLTYPE CACLCustomMRU::Initialize(LPCWSTR pwszMRURegKey, DWORD dwMax)
|
|
{
|
|
LSTATUS Status = m_Key.Create(HKEY_CURRENT_USER, pwszMRURegKey);
|
|
if (Status != ERROR_SUCCESS)
|
|
return HRESULT_FROM_WIN32(Status);
|
|
|
|
m_MRUData.RemoveAll();
|
|
dwMax = max(0, dwMax);
|
|
dwMax = min(29, dwMax);
|
|
while (dwMax--)
|
|
m_MRUData.Add(CStringW());
|
|
|
|
WCHAR MRUList[40];
|
|
ULONG nChars = _countof(MRUList);
|
|
|
|
Status = m_Key.QueryStringValue(L"MRUList", MRUList, &nChars);
|
|
if (Status != ERROR_SUCCESS)
|
|
return S_OK;
|
|
|
|
if (nChars > 0 && MRUList[nChars-1] == '\0')
|
|
nChars--;
|
|
|
|
if (nChars > (ULONG)m_MRUData.GetSize())
|
|
return S_OK;
|
|
|
|
for (ULONG n = 0; n < nChars; ++n)
|
|
{
|
|
if (MRUList[n] >= 'a' && MRUList[n] <= '}' && m_MRUList.Find(MRUList[n]) < 0)
|
|
{
|
|
WCHAR Key[2] = { MRUList[n], NULL };
|
|
WCHAR Value[MAX_PATH * 2];
|
|
ULONG nValueChars = _countof(Value);
|
|
|
|
m_MRUList += MRUList[n];
|
|
int Index = MRUList[n] - 'a';
|
|
|
|
if (Index < m_MRUData.GetSize())
|
|
{
|
|
Status = m_Key.QueryStringValue(Key, Value, &nValueChars);
|
|
if (Status == ERROR_SUCCESS)
|
|
{
|
|
m_MRUData[Index] = CStringW(Value, nValueChars);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT STDMETHODCALLTYPE CACLCustomMRU::AddMRUString(LPCWSTR pwszEntry)
|
|
{
|
|
ATLASSERT(m_MRUData.GetSize() <= m_MRUList.GetLength());
|
|
|
|
m_bDirty = true;
|
|
|
|
CStringW NewElement = pwszEntry;
|
|
WCHAR Key[2] = { 0, 0 };
|
|
int Index = m_MRUData.Find(NewElement);
|
|
if (Index >= 0)
|
|
{
|
|
/* Move the key to the front */
|
|
Key[0] = Index + 'a';
|
|
m_MRUList.Replace(Key, L"");
|
|
m_MRUList = Key + m_MRUList;
|
|
return S_OK;
|
|
}
|
|
|
|
int TotalLen = m_MRUList.GetLength();
|
|
if (m_MRUData.GetSize() == TotalLen)
|
|
{
|
|
/* Find oldest element, move that to the front */
|
|
Key[0] = m_MRUList[TotalLen-1];
|
|
m_MRUList = Key + m_MRUList.Left(TotalLen-1);
|
|
Index = Key[0] - 'a';
|
|
}
|
|
else
|
|
{
|
|
/* Find the first empty entry */
|
|
for (Index = 0; Index < m_MRUData.GetSize(); ++Index)
|
|
{
|
|
if (m_MRUData[Index].IsEmpty())
|
|
break;
|
|
}
|
|
Key[0] = Index + 'a';
|
|
m_MRUList = Key + m_MRUList;
|
|
}
|
|
m_MRUData[Index] = NewElement;
|
|
|
|
PersistMRU();
|
|
return S_OK;
|
|
}
|
|
|