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// SysIconUtils.cpp
#include "StdAfx.h"
#ifndef _UNICODE
#include "../../../Common/StringConvert.h"
#endif
#include "../../../Windows/FileDir.h"
#include "SysIconUtils.h"
#include <ShlObj.h>
#ifndef _UNICODE
extern bool g_IsNT;
#endif
int GetIconIndexForCSIDL(int csidl)
{
LPITEMIDLIST pidl = 0;
SHGetSpecialFolderLocation(NULL, csidl, &pidl);
if (pidl)
{
SHFILEINFO shellInfo;
SHGetFileInfo(LPCTSTR(pidl), FILE_ATTRIBUTE_NORMAL,
&shellInfo, sizeof(shellInfo),
SHGFI_PIDL | SHGFI_SYSICONINDEX);
IMalloc *pMalloc;
SHGetMalloc(&pMalloc);
if (pMalloc)
{
pMalloc->Free(pidl);
pMalloc->Release();
}
return shellInfo.iIcon;
}
return 0;
}
#ifndef _UNICODE
typedef int (WINAPI * SHGetFileInfoWP)(LPCWSTR pszPath, DWORD attrib, SHFILEINFOW *psfi, UINT cbFileInfo, UINT uFlags);
struct CSHGetFileInfoInit
{
SHGetFileInfoWP shGetFileInfoW;
CSHGetFileInfoInit()
{
shGetFileInfoW = (SHGetFileInfoWP)
::GetProcAddress(::GetModuleHandleW(L"shell32.dll"), "SHGetFileInfoW");
}
} g_SHGetFileInfoInit;
#endif
static DWORD_PTR MySHGetFileInfoW(LPCWSTR pszPath, DWORD attrib, SHFILEINFOW *psfi, UINT cbFileInfo, UINT uFlags)
{
#ifdef _UNICODE
return SHGetFileInfo
#else
if (g_SHGetFileInfoInit.shGetFileInfoW == 0)
return 0;
return g_SHGetFileInfoInit.shGetFileInfoW
#endif
(pszPath, attrib, psfi, cbFileInfo, uFlags);
}
DWORD_PTR GetRealIconIndex(CFSTR path, DWORD attrib, int &iconIndex)
{
#ifndef _UNICODE
if (!g_IsNT)
{
SHFILEINFO shellInfo;
DWORD_PTR res = ::SHGetFileInfo(fs2fas(path), FILE_ATTRIBUTE_NORMAL | attrib, &shellInfo,
sizeof(shellInfo), SHGFI_USEFILEATTRIBUTES | SHGFI_SYSICONINDEX);
iconIndex = shellInfo.iIcon;
return res;
}
else
#endif
{
SHFILEINFOW shellInfo;
DWORD_PTR res = ::MySHGetFileInfoW(fs2us(path), FILE_ATTRIBUTE_NORMAL | attrib, &shellInfo,
sizeof(shellInfo), SHGFI_USEFILEATTRIBUTES | SHGFI_SYSICONINDEX);
iconIndex = shellInfo.iIcon;
return res;
}
}
/*
DWORD_PTR GetRealIconIndex(const UString &fileName, DWORD attrib, int &iconIndex, UString *typeName)
{
#ifndef _UNICODE
if (!g_IsNT)
{
SHFILEINFO shellInfo;
shellInfo.szTypeName[0] = 0;
DWORD_PTR res = ::SHGetFileInfoA(GetSystemString(fileName), FILE_ATTRIBUTE_NORMAL | attrib, &shellInfo,
sizeof(shellInfo), SHGFI_USEFILEATTRIBUTES | SHGFI_SYSICONINDEX | SHGFI_TYPENAME);
if (typeName)
*typeName = GetUnicodeString(shellInfo.szTypeName);
iconIndex = shellInfo.iIcon;
return res;
}
else
#endif
{
SHFILEINFOW shellInfo;
shellInfo.szTypeName[0] = 0;
DWORD_PTR res = ::MySHGetFileInfoW(fileName, FILE_ATTRIBUTE_NORMAL | attrib, &shellInfo,
sizeof(shellInfo), SHGFI_USEFILEATTRIBUTES | SHGFI_SYSICONINDEX | SHGFI_TYPENAME);
if (typeName)
*typeName = shellInfo.szTypeName;
iconIndex = shellInfo.iIcon;
return res;
}
}
*/
static int FindInSorted_Attrib(const CRecordVector<CAttribIconPair> &vect, DWORD attrib, int &insertPos)
{
unsigned left = 0, right = vect.Size();
while (left != right)
{
unsigned mid = (left + right) / 2;
DWORD midAttrib = vect[mid].Attrib;
if (attrib == midAttrib)
return mid;
if (attrib < midAttrib)
right = mid;
else
left = mid + 1;
}
insertPos = left;
return -1;
}
static int FindInSorted_Ext(const CObjectVector<CExtIconPair> &vect, const wchar_t *ext, int &insertPos)
{
unsigned left = 0, right = vect.Size();
while (left != right)
{
unsigned mid = (left + right) / 2;
int compare = MyStringCompareNoCase(ext, vect[mid].Ext);
if (compare == 0)
return mid;
if (compare < 0)
right = mid;
else
left = mid + 1;
}
insertPos = left;
return -1;
}
int CExtToIconMap::GetIconIndex(DWORD attrib, const wchar_t *fileName /*, UString *typeName */)
{
int dotPos = -1;
unsigned i;
for (i = 0;; i++)
{
wchar_t c = fileName[i];
if (c == 0)
break;
if (c == '.')
dotPos = i;
}
/*
if (MyStringCompareNoCase(fileName, L"$Recycle.Bin") == 0)
{
char s[256];
sprintf(s, "SPEC i = %3d, attr = %7x", _attribMap.Size(), attrib);
OutputDebugStringA(s);
OutputDebugStringW(fileName);
}
*/
if ((attrib & FILE_ATTRIBUTE_DIRECTORY) != 0 || dotPos < 0)
{
int insertPos = 0;
int index = FindInSorted_Attrib(_attribMap, attrib, insertPos);
if (index >= 0)
{
// if (typeName) *typeName = _attribMap[index].TypeName;
return _attribMap[index].IconIndex;
}
CAttribIconPair pair;
GetRealIconIndex(
#ifdef UNDER_CE
FTEXT("\\")
#endif
FTEXT("__DIR__")
, attrib, pair.IconIndex
// , pair.TypeName
);
/*
char s[256];
sprintf(s, "i = %3d, attr = %7x", _attribMap.Size(), attrib);
OutputDebugStringA(s);
*/
pair.Attrib = attrib;
_attribMap.Insert(insertPos, pair);
// if (typeName) *typeName = pair.TypeName;
return pair.IconIndex;
}
const wchar_t *ext = fileName + dotPos + 1;
int insertPos = 0;
int index = FindInSorted_Ext(_extMap, ext, insertPos);
if (index >= 0)
{
const CExtIconPair &pa = _extMap[index];
// if (typeName) *typeName = pa.TypeName;
return pa.IconIndex;
}
for (i = 0;; i++)
{
wchar_t c = ext[i];
if (c == 0)
break;
if (c < L'0' || c > L'9')
break;
}
if (i != 0 && ext[i] == 0)
{
// GetRealIconIndex is too slow for big number of split extensions: .001, .002, .003
if (!SplitIconIndex_Defined)
{
GetRealIconIndex(
#ifdef UNDER_CE
FTEXT("\\")
#endif
FTEXT("__FILE__.001"), 0, SplitIconIndex);
SplitIconIndex_Defined = true;
}
return SplitIconIndex;
}
CExtIconPair pair;
pair.Ext = ext;
GetRealIconIndex(us2fs(fileName + dotPos), attrib, pair.IconIndex);
_extMap.Insert(insertPos, pair);
// if (typeName) *typeName = pair.TypeName;
return pair.IconIndex;
}
/*
int CExtToIconMap::GetIconIndex(DWORD attrib, const UString &fileName)
{
return GetIconIndex(attrib, fileName, NULL);
}
*/
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