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Sweden-Number/dlls/shell32/iconcache.c

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/*
* shell icon cache (SIC)
*
* Copyright 1998, 1999 Juergen Schmied
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <string.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winreg.h"
#include "wine/winuser16.h"
#include "wine/winbase16.h"
#include "heap.h"
#include "wine/debug.h"
#include "shellapi.h"
#include "objbase.h"
#include "shlguid.h"
#include "pidl.h"
#include "shell32_main.h"
#include "undocshell.h"
#include "shlwapi.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
/********************** THE ICON CACHE ********************************/
#define INVALID_INDEX -1
typedef struct
{
LPWSTR sSourceFile; /* file (not path!) containing the icon */
DWORD dwSourceIndex; /* index within the file, if it is a resoure ID it will be negated */
DWORD dwListIndex; /* index within the iconlist */
DWORD dwFlags; /* GIL_* flags */
DWORD dwAccessTime;
} SIC_ENTRY, * LPSIC_ENTRY;
static HDPA sic_hdpa = 0;
static CRITICAL_SECTION SHELL32_SicCS;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &SHELL32_SicCS,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { 0, (DWORD)(__FILE__ ": SHELL32_SicCS") }
};
static CRITICAL_SECTION SHELL32_SicCS = { &critsect_debug, -1, 0, 0, 0, 0 };
/*****************************************************************************
* SIC_CompareEntries
*
* NOTES
* Callback for DPA_Search
*/
static INT CALLBACK SIC_CompareEntries( LPVOID p1, LPVOID p2, LPARAM lparam)
{ TRACE("%p %p %8lx\n", p1, p2, lparam);
if (((LPSIC_ENTRY)p1)->dwSourceIndex != ((LPSIC_ENTRY)p2)->dwSourceIndex) /* first the faster one*/
return 1;
if (strcmpiW(((LPSIC_ENTRY)p1)->sSourceFile,((LPSIC_ENTRY)p2)->sSourceFile))
return 1;
return 0;
}
/*****************************************************************************
* SIC_IconAppend [internal]
*
* NOTES
* appends an icon pair to the end of the cache
*/
static INT SIC_IconAppend (LPCWSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon)
{ LPSIC_ENTRY lpsice;
INT ret, index, index1;
WCHAR path[MAX_PATH];
TRACE("%s %i %p %p\n", debugstr_w(sSourceFile), dwSourceIndex, hSmallIcon ,hBigIcon);
lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
lpsice->sSourceFile = HeapAlloc( GetProcessHeap(), 0, (strlenW(path)+1)*sizeof(WCHAR) );
strcpyW( lpsice->sSourceFile, path );
lpsice->dwSourceIndex = dwSourceIndex;
EnterCriticalSection(&SHELL32_SicCS);
index = DPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
if ( INVALID_INDEX == index )
{
HeapFree(GetProcessHeap(), 0, lpsice->sSourceFile);
SHFree(lpsice);
ret = INVALID_INDEX;
}
else
{
index = ImageList_AddIcon (ShellSmallIconList, hSmallIcon);
index1= ImageList_AddIcon (ShellBigIconList, hBigIcon);
if (index!=index1)
{
FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
}
lpsice->dwListIndex = index;
ret = lpsice->dwListIndex;
}
LeaveCriticalSection(&SHELL32_SicCS);
return ret;
}
/****************************************************************************
* SIC_LoadIcon [internal]
*
* NOTES
* gets small/big icon by number from a file
*/
static INT SIC_LoadIcon (LPCWSTR sSourceFile, INT dwSourceIndex)
{ HICON hiconLarge=0;
HICON hiconSmall=0;
PrivateExtractIconsW( sSourceFile, dwSourceIndex, 32, 32, &hiconLarge, 0, 1, 0 );
PrivateExtractIconsW( sSourceFile, dwSourceIndex, 16, 16, &hiconSmall, 0, 1, 0 );
if ( !hiconLarge || !hiconSmall)
{
WARN("failure loading icon %i from %s (%p %p)\n", dwSourceIndex, debugstr_w(sSourceFile), hiconLarge, hiconSmall);
return -1;
}
return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge);
}
/*****************************************************************************
* SIC_GetIconIndex [internal]
*
* Parameters
* sSourceFile [IN] filename of file containing the icon
* index [IN] index/resID (negated) in this file
*
* NOTES
* look in the cache for a proper icon. if not available the icon is taken
* from the file and cached
*/
INT SIC_GetIconIndex (LPCWSTR sSourceFile, INT dwSourceIndex )
{
SIC_ENTRY sice;
INT ret, index = INVALID_INDEX;
WCHAR path[MAX_PATH];
TRACE("%s %i\n", debugstr_w(sSourceFile), dwSourceIndex);
GetFullPathNameW(sSourceFile, MAX_PATH, path, NULL);
sice.sSourceFile = path;
sice.dwSourceIndex = dwSourceIndex;
EnterCriticalSection(&SHELL32_SicCS);
if (NULL != DPA_GetPtr (sic_hdpa, 0))
{
/* search linear from position 0*/
index = DPA_Search (sic_hdpa, &sice, 0, SIC_CompareEntries, 0, 0);
}
if ( INVALID_INDEX == index )
{
ret = SIC_LoadIcon (sSourceFile, dwSourceIndex);
}
else
{
TRACE("-- found\n");
ret = ((LPSIC_ENTRY)DPA_GetPtr(sic_hdpa, index))->dwListIndex;
}
LeaveCriticalSection(&SHELL32_SicCS);
return ret;
}
/****************************************************************************
* SIC_GetIcon [internal]
*
* NOTES
* retrieves the specified icon from the iconcache. if not found tries to load the icon
*/
static HICON WINE_UNUSED SIC_GetIcon (LPCWSTR sSourceFile, INT dwSourceIndex, BOOL bSmallIcon )
{ INT index;
TRACE("%s %i\n", debugstr_w(sSourceFile), dwSourceIndex);
index = SIC_GetIconIndex(sSourceFile, dwSourceIndex);
if (INVALID_INDEX == index)
{
return (HICON)INVALID_INDEX;
}
if (bSmallIcon)
return ImageList_GetIcon(ShellSmallIconList, index, ILD_NORMAL);
return ImageList_GetIcon(ShellBigIconList, index, ILD_NORMAL);
}
/*****************************************************************************
* SIC_Initialize [internal]
*
* NOTES
* hack to load the resources from the shell32.dll under a different dll name
* will be removed when the resource-compiler is ready
*/
BOOL SIC_Initialize(void)
{
HICON hSm, hLg;
UINT index;
TRACE("\n");
if (sic_hdpa) /* already initialized?*/
return TRUE;
sic_hdpa = DPA_Create(16);
if (!sic_hdpa)
{
return(FALSE);
}
ShellSmallIconList = ImageList_Create(16,16,ILC_COLOR32|ILC_MASK,0,0x20);
ShellBigIconList = ImageList_Create(32,32,ILC_COLOR32|ILC_MASK,0,0x20);
ImageList_SetBkColor(ShellSmallIconList, CLR_NONE);
ImageList_SetBkColor(ShellBigIconList, CLR_NONE);
for (index=1; index<39; index++)
{
hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 16, 16,LR_SHARED);
hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 32, 32,LR_SHARED);
if(!hSm)
{
hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 16, 16,LR_SHARED);
hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 32, 32,LR_SHARED);
}
SIC_IconAppend (swShell32Name, index, hSm, hLg);
}
TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
return TRUE;
}
/*************************************************************************
* SIC_Destroy
*
* frees the cache
*/
static INT CALLBACK sic_free( LPVOID ptr, LPVOID lparam )
{
HeapFree(GetProcessHeap(), 0, ((LPSIC_ENTRY)ptr)->sSourceFile);
SHFree(ptr);
return TRUE;
}
void SIC_Destroy(void)
{
TRACE("\n");
EnterCriticalSection(&SHELL32_SicCS);
if (sic_hdpa) DPA_DestroyCallback(sic_hdpa, sic_free, NULL );
sic_hdpa = NULL;
ImageList_Destroy(ShellSmallIconList);
ShellSmallIconList = 0;
ImageList_Destroy(ShellBigIconList);
ShellBigIconList = 0;
LeaveCriticalSection(&SHELL32_SicCS);
DeleteCriticalSection(&SHELL32_SicCS);
}
/*************************************************************************
* Shell_GetImageList [SHELL32.71]
*
* PARAMETERS
* imglist[1|2] [OUT] pointer which receives imagelist handles
*
*/
BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
{ TRACE("(%p,%p)\n",lpBigList,lpSmallList);
if (lpBigList)
{ *lpBigList = ShellBigIconList;
}
if (lpSmallList)
{ *lpSmallList = ShellSmallIconList;
}
return TRUE;
}
/*************************************************************************
* PidlToSicIndex [INTERNAL]
*
* PARAMETERS
* sh [IN] IShellFolder
* pidl [IN]
* bBigIcon [IN]
* uFlags [IN] GIL_*
* pIndex [OUT] index within the SIC
*
*/
BOOL PidlToSicIndex (
IShellFolder * sh,
LPCITEMIDLIST pidl,
BOOL bBigIcon,
UINT uFlags,
int * pIndex)
{
IExtractIconW *ei;
WCHAR szIconFile[MAX_PATH]; /* file containing the icon */
INT iSourceIndex; /* index or resID(negated) in this file */
BOOL ret = FALSE;
UINT dwFlags = 0;
TRACE("sf=%p pidl=%p %s\n", sh, pidl, bBigIcon?"Big":"Small");
if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconW, 0, (void **)&ei)))
{
if (SUCCEEDED(IExtractIconW_GetIconLocation(ei, uFlags, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags)))
{
*pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex);
ret = TRUE;
}
IExtractIconW_Release(ei);
}
if (INVALID_INDEX == *pIndex) /* default icon when failed */
*pIndex = 1;
return ret;
}
/*************************************************************************
* SHMapPIDLToSystemImageListIndex [SHELL32.77]
*
* PARAMETERS
* sh [IN] pointer to an instance of IShellFolder
* pidl [IN]
* pIndex [OUT][OPTIONAL] SIC index for big icon
*
*/
int WINAPI SHMapPIDLToSystemImageListIndex(
IShellFolder *sh,
LPCITEMIDLIST pidl,
int *pIndex)
{
int Index;
TRACE("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
pdump(pidl);
if (pIndex)
PidlToSicIndex ( sh, pidl, 1, 0, pIndex);
PidlToSicIndex ( sh, pidl, 0, 0, &Index);
return Index;
}
/*************************************************************************
* Shell_GetCachedImageIndex [SHELL32.72]
*
*/
INT WINAPI Shell_GetCachedImageIndexA(LPCSTR szPath, INT nIndex, BOOL bSimulateDoc)
{
INT ret, len;
LPWSTR szTemp;
WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
len = MultiByteToWideChar( CP_ACP, 0, szPath, -1, NULL, 0 );
szTemp = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, szPath, -1, szTemp, len );
ret = SIC_GetIconIndex( szTemp, nIndex );
HeapFree( GetProcessHeap(), 0, szTemp );
return ret;
}
INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
{
WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
return SIC_GetIconIndex(szPath, nIndex);
}
INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
{ if( SHELL_OsIsUnicode())
return Shell_GetCachedImageIndexW(szPath, nIndex, bSimulateDoc);
return Shell_GetCachedImageIndexA(szPath, nIndex, bSimulateDoc);
}
/*************************************************************************
* ExtractIconEx [SHELL32.@]
*/
UINT WINAPI ExtractIconExAW(LPCVOID lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
{ if (SHELL_OsIsUnicode())
return ExtractIconExW ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
return ExtractIconExA ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
}
/*************************************************************************
* ExtractIconExW [SHELL32.@]
* RETURNS
* 0 no icon found
* -1 file is not valid
* or number of icons extracted
*/
UINT WINAPI ExtractIconExW(LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
{
TRACE("%s %i %p %p %i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons);
return PrivateExtractIconExW(lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
}
/*************************************************************************
* ExtractIconExA [SHELL32.@]
*/
UINT WINAPI ExtractIconExA(LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons)
{
UINT ret;
INT len = MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, NULL, 0);
LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
TRACE("%s %i %p %p %i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
MultiByteToWideChar(CP_ACP, 0, lpszFile, -1, lpwstrFile, len);
ret = ExtractIconExW (lpwstrFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
HeapFree(GetProcessHeap(), 0, lpwstrFile);
return ret;
}
/*************************************************************************
* ExtractAssociatedIconA (SHELL32.@)
*
* Return icon for given file (either from file itself or from associated
* executable) and patch parameters if needed.
*/
HICON WINAPI ExtractAssociatedIconA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIcon)
{
HICON hIcon;
WORD wDummyIcon = 0;
TRACE("\n");
if(lpiIcon == NULL)
lpiIcon = &wDummyIcon;
hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
if( hIcon < (HICON)2 )
{ if( hIcon == (HICON)1 ) /* no icons found in given file */
{ char tempPath[0x80];
HINSTANCE uRet = FindExecutableA(lpIconPath,NULL,tempPath);
if( uRet > (HINSTANCE)32 && tempPath[0] )
{ strcpy(lpIconPath,tempPath);
hIcon = ExtractIconA(hInst, lpIconPath, *lpiIcon);
if( hIcon > (HICON)2 )
return hIcon;
}
else hIcon = 0;
}
if( hIcon == (HICON)1 )
*lpiIcon = 2; /* MSDOS icon - we found .exe but no icons in it */
else
*lpiIcon = 6; /* generic icon - found nothing */
if (GetModuleFileNameA(hInst, lpIconPath, 0x80))
{
/* terminate string (GetModuleFileName doesn't do if buffer is too small) */
lpIconPath[0x80 - 1] = '\0';
hIcon = LoadIconA( hInst, MAKEINTRESOURCEA(*lpiIcon));
}
}
return hIcon;
}
/*************************************************************************
* ExtractAssociatedIconExW (SHELL32.@)
*
* Return icon for given file (either from file itself or from associated
* executable) and patch parameters if needed.
*/
HICON WINAPI ExtractAssociatedIconExW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
{
FIXME("%p %s %p %p): stub\n", hInst, debugstr_w(lpIconPath), lpiIconIdx, lpiIconId);
return 0;
}
/*************************************************************************
* ExtractAssociatedIconExA (SHELL32.@)
*
* Return icon for given file (either from file itself or from associated
* executable) and patch parameters if needed.
*/
HICON WINAPI ExtractAssociatedIconExA(HINSTANCE hInst, LPSTR lpIconPath, LPWORD lpiIconIdx, LPWORD lpiIconId)
{
HICON ret;
INT len = MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, NULL, 0 );
LPWSTR lpwstrFile = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
TRACE("%p %s %p %p)\n", hInst, lpIconPath, lpiIconIdx, lpiIconId);
MultiByteToWideChar( CP_ACP, 0, lpIconPath, -1, lpwstrFile, len );
ret = ExtractAssociatedIconExW(hInst, lpwstrFile, lpiIconIdx, lpiIconId);
HeapFree(GetProcessHeap(), 0, lpwstrFile);
return ret;
}
/****************************************************************************
* SHDefExtractIconW [SHELL32.@]
*/
HRESULT WINAPI SHDefExtractIconW(LPCWSTR pszIconFile, int iIndex, UINT uFlags,
HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
{
UINT ret;
HICON hIcons[2];
WARN("%s %d 0x%08x %p %p %d, semi-stub\n", debugstr_w(pszIconFile), iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
ret = PrivateExtractIconsW(pszIconFile, iIndex, nIconSize, nIconSize, hIcons, NULL, 2, LR_DEFAULTCOLOR);
/* FIXME: deal with uFlags parameter which contains GIL_ flags */
if (ret == 0xFFFFFFFF)
return E_FAIL;
if (ret > 0) {
*phiconLarge = hIcons[0];
*phiconSmall = hIcons[1];
return S_OK;
}
return S_FALSE;
}
/****************************************************************************
* SHDefExtractIconA [SHELL32.@]
*/
HRESULT WINAPI SHDefExtractIconA(LPCSTR pszIconFile, int iIndex, UINT uFlags,
HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
{
HRESULT ret;
INT len = MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, NULL, 0);
LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
TRACE("%s %d 0x%08x %p %p %d\n", pszIconFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
MultiByteToWideChar(CP_ACP, 0, pszIconFile, -1, lpwstrFile, len);
ret = SHDefExtractIconW(lpwstrFile, iIndex, uFlags, phiconLarge, phiconSmall, nIconSize);
HeapFree(GetProcessHeap(), 0, lpwstrFile);
return ret;
}
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