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wine/dlls/shell32/iconcache.c
Francois Gouget 9769816b6e Fix winapi_check documentation warnings.
2005-06-17 20:58:33 +00:00

776 lines
24 KiB
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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
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winreg.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 "shresdef.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)
{ LPSIC_ENTRY e1 = (LPSIC_ENTRY)p1, e2 = (LPSIC_ENTRY)p2;
TRACE("%p %p %8lx\n", p1, p2, lparam);
/* Icons in the cache are keyed by the name of the file they are
* loaded from, their resource index and the fact if they have a shortcut
* icon overlay or not.
*/
if (e1->dwSourceIndex != e2->dwSourceIndex || /* first the faster one */
(e1->dwFlags & GIL_FORSHORTCUT) != (e2->dwFlags & GIL_FORSHORTCUT))
return 1;
if (strcmpiW(e1->sSourceFile,e2->sSourceFile))
return 1;
return 0;
}
/*****************************************************************************
* SIC_OverlayShortcutImage [internal]
*
* NOTES
* Creates a new icon as a copy of the passed-in icon, overlayed with a
* shortcut image.
*/
static HICON SIC_OverlayShortcutImage(HICON SourceIcon)
{ ICONINFO SourceIconInfo, ShortcutIconInfo, TargetIconInfo;
HICON ShortcutIcon, TargetIcon;
BITMAP SourceBitmapInfo, ShortcutBitmapInfo;
HDC SourceDC = NULL,
ShortcutDC = NULL,
TargetDC = NULL,
ScreenDC = NULL;
HBITMAP OldSourceBitmap = NULL,
OldShortcutBitmap = NULL,
OldTargetBitmap = NULL;
/* Get information about the source icon and shortcut overlay */
if (! GetIconInfo(SourceIcon, &SourceIconInfo)
|| 0 == GetObjectW(SourceIconInfo.hbmColor, sizeof(BITMAP), &SourceBitmapInfo))
{
return NULL;
}
ShortcutIcon = LoadImageW(shell32_hInstance, MAKEINTRESOURCEW(IDI_SHELL_SHORTCUT),
IMAGE_ICON, SourceBitmapInfo.bmWidth, SourceBitmapInfo.bmWidth,
LR_SHARED);
if (NULL == ShortcutIcon
|| ! GetIconInfo(ShortcutIcon, &ShortcutIconInfo)
|| 0 == GetObjectW(ShortcutIconInfo.hbmColor, sizeof(BITMAP), &ShortcutBitmapInfo))
{
return NULL;
}
TargetIconInfo = SourceIconInfo;
TargetIconInfo.hbmMask = NULL;
TargetIconInfo.hbmColor = NULL;
/* Setup the source, shortcut and target masks */
SourceDC = CreateCompatibleDC(NULL);
if (NULL == SourceDC) goto fail;
OldSourceBitmap = SelectObject(SourceDC, SourceIconInfo.hbmMask);
if (NULL == OldSourceBitmap) goto fail;
ShortcutDC = CreateCompatibleDC(NULL);
if (NULL == ShortcutDC) goto fail;
OldShortcutBitmap = SelectObject(ShortcutDC, ShortcutIconInfo.hbmMask);
if (NULL == OldShortcutBitmap) goto fail;
TargetDC = CreateCompatibleDC(NULL);
if (NULL == TargetDC) goto fail;
TargetIconInfo.hbmMask = CreateCompatibleBitmap(TargetDC, SourceBitmapInfo.bmWidth,
SourceBitmapInfo.bmHeight);
if (NULL == TargetIconInfo.hbmMask) goto fail;
ScreenDC = GetDC(NULL);
if (NULL == ScreenDC) goto fail;
TargetIconInfo.hbmColor = CreateCompatibleBitmap(ScreenDC, SourceBitmapInfo.bmWidth,
SourceBitmapInfo.bmHeight);
ReleaseDC(NULL, ScreenDC);
if (NULL == TargetIconInfo.hbmColor) goto fail;
OldTargetBitmap = SelectObject(TargetDC, TargetIconInfo.hbmMask);
if (NULL == OldTargetBitmap) goto fail;
/* Create the target mask by ANDing the source and shortcut masks */
if (! BitBlt(TargetDC, 0, 0, SourceBitmapInfo.bmWidth, SourceBitmapInfo.bmHeight,
SourceDC, 0, 0, SRCCOPY) ||
! BitBlt(TargetDC, 0, SourceBitmapInfo.bmHeight - ShortcutBitmapInfo.bmHeight,
ShortcutBitmapInfo.bmWidth, ShortcutBitmapInfo.bmHeight,
ShortcutDC, 0, 0, SRCAND))
{
goto fail;
}
/* Setup the source and target xor bitmap */
if (NULL == SelectObject(SourceDC, SourceIconInfo.hbmColor) ||
NULL == SelectObject(TargetDC, TargetIconInfo.hbmColor))
{
goto fail;
}
/* Copy the source xor bitmap to the target and clear out part of it by using
the shortcut mask */
if (! BitBlt(TargetDC, 0, 0, SourceBitmapInfo.bmWidth, SourceBitmapInfo.bmHeight,
SourceDC, 0, 0, SRCCOPY) ||
! BitBlt(TargetDC, 0, SourceBitmapInfo.bmHeight - ShortcutBitmapInfo.bmHeight,
ShortcutBitmapInfo.bmWidth, ShortcutBitmapInfo.bmHeight,
ShortcutDC, 0, 0, SRCAND))
{
goto fail;
}
if (NULL == SelectObject(ShortcutDC, ShortcutIconInfo.hbmColor)) goto fail;
/* Now put in the shortcut xor mask */
if (! BitBlt(TargetDC, 0, SourceBitmapInfo.bmHeight - ShortcutBitmapInfo.bmHeight,
ShortcutBitmapInfo.bmWidth, ShortcutBitmapInfo.bmHeight,
ShortcutDC, 0, 0, SRCINVERT))
{
goto fail;
}
/* Clean up, we're not goto'ing to 'fail' after this so we can be lazy and not set
handles to NULL */
SelectObject(TargetDC, OldTargetBitmap);
DeleteObject(TargetDC);
SelectObject(ShortcutDC, OldShortcutBitmap);
DeleteObject(ShortcutDC);
SelectObject(SourceDC, OldSourceBitmap);
DeleteObject(SourceDC);
/* Create the icon using the bitmaps prepared earlier */
TargetIcon = CreateIconIndirect(&TargetIconInfo);
/* CreateIconIndirect copies the bitmaps, so we can release our bitmaps now */
DeleteObject(TargetIconInfo.hbmColor);
DeleteObject(TargetIconInfo.hbmMask);
return TargetIcon;
fail:
/* Clean up scratch resources we created */
if (NULL != OldTargetBitmap) SelectObject(TargetDC, OldTargetBitmap);
if (NULL != TargetIconInfo.hbmColor) DeleteObject(TargetIconInfo.hbmColor);
if (NULL != TargetIconInfo.hbmMask) DeleteObject(TargetIconInfo.hbmMask);
if (NULL != TargetDC) DeleteObject(TargetDC);
if (NULL != OldShortcutBitmap) SelectObject(ShortcutDC, OldShortcutBitmap);
if (NULL != ShortcutDC) DeleteObject(ShortcutDC);
if (NULL != OldSourceBitmap) SelectObject(SourceDC, OldSourceBitmap);
if (NULL != SourceDC) DeleteObject(SourceDC);
return NULL;
}
/*****************************************************************************
* 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, DWORD dwFlags)
{ 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;
lpsice->dwFlags = dwFlags;
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, DWORD dwFlags)
{ HICON hiconLarge=0;
HICON hiconSmall=0;
HICON hiconLargeShortcut;
HICON hiconSmallShortcut;
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;
}
if (0 != (dwFlags & GIL_FORSHORTCUT))
{
hiconLargeShortcut = SIC_OverlayShortcutImage(hiconLarge);
hiconSmallShortcut = SIC_OverlayShortcutImage(hiconSmall);
if (NULL != hiconLargeShortcut && NULL != hiconSmallShortcut)
{
hiconLarge = hiconLargeShortcut;
hiconSmall = hiconSmallShortcut;
}
else
{
WARN("Failed to create shortcut overlayed icons\n");
if (NULL != hiconLargeShortcut) DestroyIcon(hiconLargeShortcut);
if (NULL != hiconSmallShortcut) DestroyIcon(hiconSmallShortcut);
dwFlags &= ~ GIL_FORSHORTCUT;
}
}
return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge, dwFlags);
}
/*****************************************************************************
* 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, DWORD dwFlags )
{
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;
sice.dwFlags = dwFlags;
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, dwFlags);
}
else
{
TRACE("-- found\n");
ret = ((LPSIC_ENTRY)DPA_GetPtr(sic_hdpa, index))->dwListIndex;
}
LeaveCriticalSection(&SHELL32_SicCS);
return ret;
}
/*****************************************************************************
* 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;
int cx_small, cy_small;
int cx_large, cy_large;
cx_small = GetSystemMetrics(SM_CXSMICON);
cy_small = GetSystemMetrics(SM_CYSMICON);
cx_large = GetSystemMetrics(SM_CXICON);
cy_large = GetSystemMetrics(SM_CYICON);
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 = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, cx_small, cy_small, LR_SHARED);
hLg = (HICON)LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, cx_large, cy_large, LR_SHARED);
if(!hSm)
{
hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(1), IMAGE_ICON, cx_small, cy_small, LR_SHARED);
hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(1), IMAGE_ICON, cx_large, cy_large, LR_SHARED);
}
SIC_IconAppend (swShell32Name, index - 1, hSm, hLg, 0);
SIC_IconAppend (swShell32Name, -index, hSm, hLg, 0);
}
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 */
char szTemp[MAX_PATH];
INT iSourceIndex; /* index or resID(negated) in this file */
BOOL ret = FALSE;
UINT dwFlags = 0;
HKEY keyCls;
int iShortcutDefaultIndex = INVALID_INDEX;
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 (_ILGetExtension(pidl, szTemp, MAX_PATH) &&
HCR_MapTypeToValueA(szTemp, szTemp, MAX_PATH, TRUE))
{
if (ERROR_SUCCESS == RegOpenKeyExA(HKEY_CLASSES_ROOT, szTemp, 0, KEY_QUERY_VALUE, &keyCls))
{
if (ERROR_SUCCESS == RegQueryValueExA(keyCls, "IsShortcut", NULL, NULL, NULL, NULL))
{
uFlags |= GIL_FORSHORTCUT;
}
RegCloseKey(keyCls);
}
}
if (SUCCEEDED(IExtractIconW_GetIconLocation(ei, uFlags, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags)))
{
*pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex, uFlags);
ret = TRUE;
}
IExtractIconW_Release(ei);
}
if (INVALID_INDEX == *pIndex) /* default icon when failed */
{
if (0 == (uFlags & GIL_FORSHORTCUT))
{
*pIndex = 0;
}
else
{
if (INVALID_INDEX == iShortcutDefaultIndex)
{
iShortcutDefaultIndex = SIC_LoadIcon(swShell32Name, 0, GIL_FORSHORTCUT);
}
*pIndex = (INVALID_INDEX != iShortcutDefaultIndex ? iShortcutDefaultIndex : 0);
}
}
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, 0 );
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, 0);
}
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);
}
/*************************************************************************
* 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 = 0;
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);
if (lpwstrFile)
{
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 = NULL;
INT len = MultiByteToWideChar(CP_ACP, 0, lpIconPath, -1, NULL, 0);
/* Note that we need to allocate MAX_PATH, since we are supposed to fill
* the correct executable if there is no icon in lpIconPath directly.
* lpIconPath itself is supposed to be large enough, so make sure lpIconPathW
* is large enough too. Yes, I am puking too.
*/
LPWSTR lpIconPathW = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
TRACE("%p %s %p\n", hInst, debugstr_a(lpIconPath), lpiIcon);
if (lpIconPathW)
{
MultiByteToWideChar(CP_ACP, 0, lpIconPath, -1, lpIconPathW, len);
hIcon = ExtractAssociatedIconW(hInst, lpIconPathW, lpiIcon);
WideCharToMultiByte(CP_ACP, 0, lpIconPathW, -1, lpIconPath, MAX_PATH , NULL, NULL);
HeapFree(GetProcessHeap(), 0, lpIconPathW);
}
return hIcon;
}
/*************************************************************************
* ExtractAssociatedIconW (SHELL32.@)
*
* Return icon for given file (either from file itself or from associated
* executable) and patch parameters if needed.
*/
HICON WINAPI ExtractAssociatedIconW(HINSTANCE hInst, LPWSTR lpIconPath, LPWORD lpiIcon)
{
HICON hIcon = NULL;
WORD wDummyIcon = 0;
TRACE("%p %s %p\n", hInst, debugstr_w(lpIconPath), lpiIcon);
if(lpiIcon == NULL)
lpiIcon = &wDummyIcon;
hIcon = ExtractIconW(hInst, lpIconPath, *lpiIcon);
if( hIcon < (HICON)2 )
{ if( hIcon == (HICON)1 ) /* no icons found in given file */
{ WCHAR tempPath[MAX_PATH];
HINSTANCE uRet = FindExecutableW(lpIconPath,NULL,tempPath);
if( uRet > (HINSTANCE)32 && tempPath[0] )
{ lstrcpyW(lpIconPath,tempPath);
hIcon = ExtractIconW(hInst, lpIconPath, *lpiIcon);
if( hIcon > (HICON)2 )
return hIcon;
}
}
if( hIcon == (HICON)1 )
*lpiIcon = 2; /* MSDOS icon - we found .exe but no icons in it */
else
*lpiIcon = 6; /* generic icon - found nothing */
if (GetModuleFileNameW(hInst, lpIconPath, MAX_PATH))
hIcon = LoadIconW(hInst, MAKEINTRESOURCEW(*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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