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Protect cache with critical section. 

Removed hack to load icons from external shell32.dll.
This commit is contained in:
Juergen Schmied 1999-08-15 14:26:30 +00:00 committed by Alexandre Julliard
parent c50ef5af81
commit 050435840b
1 changed files with 66 additions and 53 deletions
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119
dlls/shell32/iconcache.c
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@ -457,6 +457,9 @@ typedef struct
DWORD dwAccessTime;
} SIC_ENTRY, * LPSIC_ENTRY;
static HDPA sic_hdpa = 0;
static CRITICAL_SECTION SHELL32_SicCS;
/*****************************************************************************
* SIC_CompareEntrys [called by comctl32.dll]
*
@ -482,7 +485,7 @@ INT CALLBACK SIC_CompareEntrys( LPVOID p1, LPVOID p2, LPARAM lparam)
*/
static INT SIC_IconAppend (LPCSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon)
{ LPSIC_ENTRY lpsice;
INT index, index1;
INT ret, index, index1;
TRACE("%s %i %x %x\n", sSourceFile, dwSourceIndex, hSmallIcon ,hBigIcon);
@ -491,22 +494,29 @@ static INT SIC_IconAppend (LPCSTR sSourceFile, INT dwSourceIndex, HICON hSmallIc
lpsice->sSourceFile = HEAP_strdupA (GetProcessHeap(), 0, PathFindFilenameA(sSourceFile));
lpsice->dwSourceIndex = dwSourceIndex;
EnterCriticalSection(&SHELL32_SicCS);
index = pDPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
if ( INVALID_INDEX == index )
{ SHFree(lpsice);
return INVALID_INDEX;
{
SHFree(lpsice);
ret = INVALID_INDEX;
}
else
{
index = pImageList_AddIcon (ShellSmallIconList, hSmallIcon);
index1= pImageList_AddIcon (ShellBigIconList, hBigIcon);
if (index!=index1)
{
FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
}
lpsice->dwListIndex = index;
ret = lpsice->dwListIndex;
}
index = pImageList_AddIcon (ShellSmallIconList, hSmallIcon);
index1= pImageList_AddIcon (ShellBigIconList, hBigIcon);
if (index!=index1)
{ FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
}
lpsice->dwListIndex = index;
return lpsice->dwListIndex;
LeaveCriticalSection(&SHELL32_SicCS);
return ret;
}
/****************************************************************************
* SIC_LoadIcon [internal]
@ -523,7 +533,8 @@ static INT SIC_LoadIcon (LPCSTR sSourceFile, INT dwSourceIndex)
if ( !hiconLarge || !hiconSmall)
{ WARN("failure loading icon %i from %s (%x %x)\n", dwSourceIndex, sSourceFile, hiconLarge, hiconSmall);
{
WARN("failure loading icon %i from %s (%x %x)\n", dwSourceIndex, sSourceFile, hiconLarge, hiconSmall);
return -1;
}
return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge);
@ -541,23 +552,32 @@ static INT SIC_LoadIcon (LPCSTR sSourceFile, INT dwSourceIndex)
*/
INT SIC_GetIconIndex (LPCSTR sSourceFile, INT dwSourceIndex )
{ SIC_ENTRY sice;
INT index = INVALID_INDEX;
INT ret, index = INVALID_INDEX;
TRACE("%s %i\n", sSourceFile, dwSourceIndex);
sice.sSourceFile = PathFindFilenameA(sSourceFile);
sice.dwSourceIndex = dwSourceIndex;
EnterCriticalSection(&SHELL32_SicCS);
if (NULL != pDPA_GetPtr (sic_hdpa, 0))
{ index = pDPA_Search (sic_hdpa, &sice, -1L, SIC_CompareEntrys, 0, 0);
{
index = pDPA_Search (sic_hdpa, &sice, -1L, SIC_CompareEntrys, 0, 0);
}
if ( INVALID_INDEX == index )
{ return SIC_LoadIcon (sSourceFile, dwSourceIndex);
{
ret = SIC_LoadIcon (sSourceFile, dwSourceIndex);
}
TRACE("-- found\n");
return ((LPSIC_ENTRY)pDPA_GetPtr(sic_hdpa, index))->dwListIndex;
else
{
TRACE("-- found\n");
ret = ((LPSIC_ENTRY)pDPA_GetPtr(sic_hdpa, index))->dwListIndex;
}
LeaveCriticalSection(&SHELL32_SicCS);
return ret;
}
/****************************************************************************
* SIC_LoadIcon [internal]
@ -571,8 +591,10 @@ static HICON WINE_UNUSED SIC_GetIcon (LPCSTR sSourceFile, INT dwSourceIndex, BOO
TRACE("%s %i\n", sSourceFile, dwSourceIndex);
index = SIC_GetIconIndex(sSourceFile, dwSourceIndex);
if (INVALID_INDEX == index)
{ return INVALID_INDEX;
{
return INVALID_INDEX;
}
if (bSmallIcon)
@ -588,9 +610,8 @@ static HICON WINE_UNUSED SIC_GetIcon (LPCSTR sSourceFile, INT dwSourceIndex, BOO
* will be removed when the resource-compiler is ready
*/
BOOL SIC_Initialize(void)
{ CHAR szShellPath[MAX_PATH];
HGLOBAL hSmRet, hLgRet;
HICON *pSmRet, *pLgRet;
{
HICON hSm, hLg;
UINT index;
TRACE("\n");
@ -598,45 +619,33 @@ BOOL SIC_Initialize(void)
if (sic_hdpa) /* already initialized?*/
return TRUE;
InitializeCriticalSection(&SHELL32_SicCS);
sic_hdpa = pDPA_Create(16);
if (!sic_hdpa)
{ return(FALSE);
{
return(FALSE);
}
GetSystemDirectoryA(szShellPath,MAX_PATH);
PathAddBackslashA(szShellPath);
strcat(szShellPath,"shell32.dll");
hSmRet = GlobalAlloc( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON)*40);
hLgRet = GlobalAlloc( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON)*40);
pSmRet = (HICON*)GlobalLock(hSmRet);
pLgRet = (HICON*)GlobalLock(hLgRet);
ExtractIconExA ( szShellPath, 0, pLgRet, pSmRet, 40 );
ShellSmallIconList = pImageList_Create(16,16,ILC_COLORDDB | ILC_MASK,0,0x20);
ShellBigIconList = pImageList_Create(32,32,ILC_COLORDDB | ILC_MASK,0,0x20);
pImageList_SetBkColor(ShellSmallIconList, GetSysColor(COLOR_WINDOW));
pImageList_SetBkColor(ShellBigIconList, GetSysColor(COLOR_WINDOW));
for (index=0; index<40; index++)
{ if (! pSmRet[index] )
{ MESSAGE("*** failure loading resources from %s\n", szShellPath );
MESSAGE("*** this is a hack for loading the internal and external dll at the same time\n");
MESSAGE("*** you can ignore it but you will miss some icons in win95 dialogs\n\n");
break;
}
SIC_IconAppend (szShellPath, index, pSmRet[index], pLgRet[index]);
}
GlobalUnlock(hLgRet);
GlobalFree(hLgRet);
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);
GlobalUnlock(hSmRet);
GlobalFree(hSmRet);
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 ("shell32.dll", index, hSm, hLg);
}
TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
@ -654,6 +663,8 @@ void SIC_Destroy(void)
TRACE("\n");
EnterCriticalSection(&SHELL32_SicCS);
if (sic_hdpa && NULL != pDPA_GetPtr (sic_hdpa, 0))
{
for (i=0; i < pDPA_GetPtrCount(sic_hdpa); ++i)
@ -665,6 +676,8 @@ void SIC_Destroy(void)
}
sic_hdpa = NULL;
LeaveCriticalSection(&SHELL32_SicCS);
}
/*************************************************************************
* Shell_GetImageList [SHELL32.71]
@ -733,7 +746,7 @@ UINT WINAPI SHMapPIDLToSystemImageListIndex(LPSHELLFOLDER sh, LPITEMIDLIST pidl,
{
UINT Index;
WARN("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
TRACE("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
pdump(pidl);
if (pIndex)