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// SysIconUtils.h
#include "StdAfx.h"
#include "SysIconUtils.h"
#ifndef _UNICODE
#include "Common/StringConvert.h"
#endif
#ifndef _UNICODE
extern bool g_IsNT;
#endif
int GetIconIndexForCSIDL(int csidl)
{
#ifdef _WIN32
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;
}
#endif // FIXME -1 ?
return 0;
}
DWORD_PTR GetRealIconIndex(LPCTSTR path, DWORD attributes, int &iconIndex)
{
#ifdef _WIN32
SHFILEINFO shellInfo;
DWORD_PTR res = ::SHGetFileInfo(path, FILE_ATTRIBUTE_NORMAL | attributes, &shellInfo,
sizeof(shellInfo), SHGFI_USEFILEATTRIBUTES | SHGFI_SYSICONINDEX);
iconIndex = shellInfo.iIcon;
return res;
#else
return -1;
#endif
}
#ifdef _WIN32
#ifndef _UNICODE
typedef int (WINAPI * SHGetFileInfoWP)(LPCWSTR pszPath, DWORD dwFileAttributes, SHFILEINFOW *psfi, UINT cbFileInfo, UINT uFlags);
struct CSHGetFileInfoInit
{
SHGetFileInfoWP shGetFileInfoW;
CSHGetFileInfoInit()
{
shGetFileInfoW = (SHGetFileInfoWP)
::GetProcAddress(::GetModuleHandleW(L"shell32.dll"), "SHGetFileInfoW");
}
} g_SHGetFileInfoInit;
#endif
DWORD_PTR MySHGetFileInfoW(LPCWSTR pszPath, DWORD dwFileAttributes, SHFILEINFOW *psfi, UINT cbFileInfo, UINT uFlags)
{
#ifdef _UNICODE
return SHGetFileInfoW(
#else
if (g_SHGetFileInfoInit.shGetFileInfoW == 0)
return 0;
return g_SHGetFileInfoInit.shGetFileInfoW(
#endif
pszPath, dwFileAttributes, psfi, cbFileInfo, uFlags);
}
#ifndef _UNICODE
// static inline UINT GetCurrentCodePage() { return ::AreFileApisANSI() ? CP_ACP : CP_OEMCP; }
DWORD_PTR GetRealIconIndex(LPCWSTR path, DWORD attributes, int &iconIndex)
{
if(g_IsNT)
{
SHFILEINFOW shellInfo;
DWORD_PTR res = ::MySHGetFileInfoW(path, FILE_ATTRIBUTE_NORMAL | attributes, &shellInfo,
sizeof(shellInfo), SHGFI_USEFILEATTRIBUTES | SHGFI_SYSICONINDEX);
iconIndex = shellInfo.iIcon;
return res;
}
else
return GetRealIconIndex(UnicodeStringToMultiByte(path), attributes, iconIndex);
}
#endif
DWORD_PTR GetRealIconIndex(const UString &fileName, DWORD attributes,
int &iconIndex, UString &typeName)
{
#ifndef _UNICODE
if(!g_IsNT)
{
SHFILEINFO shellInfo;
shellInfo.szTypeName[0] = 0;
DWORD_PTR res = ::SHGetFileInfoA(GetSystemString(fileName), FILE_ATTRIBUTE_NORMAL | attributes, &shellInfo,
sizeof(shellInfo), SHGFI_USEFILEATTRIBUTES | SHGFI_SYSICONINDEX
| SHGFI_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 | attributes, &shellInfo,
sizeof(shellInfo), SHGFI_USEFILEATTRIBUTES | SHGFI_SYSICONINDEX
| SHGFI_TYPENAME);
typeName = shellInfo.szTypeName;
iconIndex = shellInfo.iIcon;
return res;
}
}
int CExtToIconMap::GetIconIndex(UINT32 attributes, const UString &fileNameSpec, UString &typeName)
{
UString fileName = fileNameSpec;
if ((attributes & FILE_ATTRIBUTE_DIRECTORY) != 0)
{
fileName = L"__Fldr__";
if (_dirIconIndex < 0)
GetRealIconIndex(fileName, attributes, _dirIconIndex, _dirTypeName);
typeName = _dirTypeName;
return _dirIconIndex;
}
int dotPos = fileName.ReverseFind('.');
if (dotPos < 0)
{
fileName = L"__File__";
if (_noExtIconIndex < 0)
{
int iconIndexTemp;
GetRealIconIndex(fileName, attributes, iconIndexTemp, _noExtTypeName);
}
typeName = _noExtTypeName;
return _noExtIconIndex;
}
CExtIconPair extIconPair;
extIconPair.Ext = fileName.Mid(dotPos + 1);
int anIndex = _map.FindInSorted(extIconPair);
if (anIndex >= 0)
return _map[anIndex].IconIndex;
fileName = fileName.Mid(dotPos);
GetRealIconIndex(fileName, attributes, extIconPair.IconIndex, extIconPair.TypeName);
_map.AddToSorted(extIconPair);
typeName = extIconPair.TypeName;
return extIconPair.IconIndex;
}
int CExtToIconMap::GetIconIndex(UINT32 attributes, const UString &fileName)
{
UString typeName;
return GetIconIndex(attributes, fileName, typeName);
}
#endif
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