/*****************************************************************************
* 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, indexDPA;
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 = (LPWSTR)HeapAlloc( GetProcessHeap(), 0, (wcslen(path)+1)*sizeof(WCHAR) );
wcscpy( lpsice->sSourceFile, path );
lpsice->dwSourceIndex = dwSourceIndex;
lpsice->dwFlags = dwFlags;
EnterCriticalSection(&SHELL32_SicCS);
indexDPA = DPA_Search (sic_hdpa, lpsice, 0, SIC_CompareEntries, 0, DPAS_SORTED|DPAS_INSERTAFTER);
indexDPA = DPA_InsertPtr(sic_hdpa, indexDPA, lpsice);
if ( -1 == indexDPA )
{
ret = INVALID_INDEX;
goto leave;
}
index = ImageList_AddIcon (ShellSmallIconList, hSmallIcon);
index1= ImageList_AddIcon (ShellBigIconList, hBigIcon);
/* Something went wrong when allocating a new image in the list. Abort. */
if((index == -1) || (index1 == -1))
{
WARN("Something went wrong when adding the icon to the list: small - 0x%x, big - 0x%x.\n",
index, index1);
if(index != -1) ImageList_Remove(ShellSmallIconList, index);
if(index1 != -1) ImageList_Remove(ShellBigIconList, index1);
ret = INVALID_INDEX;
goto leave;
}
if (index!=index1)
{
FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
/* What to do ???? */
}
lpsice->dwListIndex = index;
ret = lpsice->dwListIndex;
leave:
if(ret == INVALID_INDEX)
{
if(indexDPA != -1) DPA_DeletePtr(sic_hdpa, indexDPA);
HeapFree(GetProcessHeap(), 0, lpsice->sSourceFile);
SHFree(lpsice);
}
LeaveCriticalSection(&SHELL32_SicCS);
return ret;
}
/**************************************************************************
* DPA_Merge [COMCTL32.11]
*
* Merge two dynamic pointers arrays.
*
* PARAMS
* hdpa1 [I] handle to a dynamic pointer array
* hdpa2 [I] handle to a dynamic pointer array
* dwFlags [I] flags
* pfnCompare [I] pointer to sort function
* pfnMerge [I] pointer to merge function
* lParam [I] application specific value
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* No more information available yet!
*/
BOOL WINAPI DPA_Merge (HDPA hdpa1, HDPA hdpa2, DWORD dwFlags,
PFNDPACOMPARE pfnCompare, PFNDPAMERGE pfnMerge,
LPARAM lParam)
{
INT nCount;
LPVOID *pWork1, *pWork2;
INT nResult, i;
INT nIndex;
TRACE("%p %p %08x %p %p %08lx)\n",
hdpa1, hdpa2, dwFlags, pfnCompare, pfnMerge, lParam);
if (IsBadWritePtr (hdpa1, sizeof(*hdpa1)))
return FALSE;
if (IsBadWritePtr (hdpa2, sizeof(*hdpa2)))
return FALSE;
if (IsBadCodePtr ((FARPROC)pfnCompare))
return FALSE;
if (IsBadCodePtr ((FARPROC)pfnMerge))
return FALSE;
if (!(dwFlags & DPAM_SORTED)) {
TRACE("sorting dpa's!\n");
if (hdpa1->nItemCount > 0)
DPA_Sort (hdpa1, pfnCompare, lParam);
TRACE ("dpa 1 sorted!\n");
if (hdpa2->nItemCount > 0)
DPA_Sort (hdpa2, pfnCompare, lParam);
TRACE ("dpa 2 sorted!\n");
}
if (hdpa2->nItemCount < 1)
return TRUE;
TRACE("hdpa1->nItemCount=%d hdpa2->nItemCount=%d\n",
hdpa1->nItemCount, hdpa2->nItemCount);
/* working but untrusted implementation */
pWork1 = &(hdpa1->ptrs[hdpa1->nItemCount - 1]);
pWork2 = &(hdpa2->ptrs[hdpa2->nItemCount - 1]);
nIndex = hdpa1->nItemCount - 1;
nCount = hdpa2->nItemCount - 1;
do
{
if (nIndex < 0) {
if ((nCount >= 0) && (dwFlags & DPAM_UNION)) {
/* Now insert the remaining new items into DPA 1 */
TRACE("%d items to be inserted at start of DPA 1\n",
nCount+1);
for (i=nCount; i>=0; i--) {
PVOID ptr;
ptr = (pfnMerge)(DPAMM_INSERT, *pWork2, NULL, lParam);
if (!ptr)
return FALSE;
DPA_InsertPtr (hdpa1, 0, ptr);
pWork2--;
}
}
break;
}
nResult = (pfnCompare)(*pWork1, *pWork2, lParam);
TRACE("compare result=%d, dpa1.cnt=%d, dpa2.cnt=%d\n",
nResult, nIndex, nCount);
if (nResult == 0)
{
PVOID ptr;
ptr = (pfnMerge)(DPAMM_MERGE, *pWork1, *pWork2, lParam);
if (!ptr)
return FALSE;
nCount--;
pWork2--;
*pWork1 = ptr;
nIndex--;
pWork1--;
}
else if (nResult > 0)
{
/* item in DPA 1 missing from DPA 2 */
if (dwFlags & DPAM_INTERSECT)
{
/* Now delete the extra item in DPA1 */
PVOID ptr;
ptr = DPA_DeletePtr (hdpa1, nIndex);
(pfnMerge)(DPAMM_DELETE, ptr, NULL, lParam);
}
nIndex--;
pWork1--;
}
else
{
/* new item in DPA 2 */
if (dwFlags & DPAM_UNION)
{
/* Now insert the new item in DPA 1 */
PVOID ptr;
ptr = (pfnMerge)(DPAMM_INSERT, *pWork2, NULL, lParam);
if (!ptr)
return FALSE;
DPA_InsertPtr (hdpa1, nIndex+1, ptr);
}
nCount--;
pWork2--;
}
}
while (nCount >= 0);
return TRUE;
}
