HRESULT CComCatCachedCategory::LoadFromComCatMgr()
{
HRESULT hr;
CComPtr<ICatInformation> pCatInformation;
CComPtr<IEnumGUID> pEnumGUID;
ULONG pFetched;
CLSID tmp;
// Get component categories manager instance
hr = CoCreateInstance(CLSID_StdComponentCategoriesMgr, NULL, CLSCTX_INPROC_SERVER,
IID_PPV_ARG(ICatInformation, &pCatInformation));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
// Get the proper enumerator
hr = pCatInformation->EnumClassesOfCategories(1, &fCategory, NULL, NULL, &pEnumGUID);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
// Enumerate elements
do
{
pFetched = 0;
pEnumGUID->Next(1, &tmp, &pFetched);
if (pFetched)
{
if (DSA_InsertItem(fLocalDsa, DSA_APPEND, &tmp) == E_OUTOFMEMORY)
return E_OUTOFMEMORY;
}
}
while (pFetched > 0);
return S_OK;
}
BOOL CComCatCachedCategory::LoadFromRegistry()
{
WCHAR bufKey[MAX_PATH];
WCHAR guidStr[MAX_PATH];
DWORD dataSize, i;
CComHeapPtr<CATCACHEHDR> buffer;
GUID *guidArray;
if (!fLocalDsa)
return FALSE;
dataSize = 0;
if (!StringFromGUID2(fCategory, guidStr, MAX_PATH))
return FALSE;
wsprintf(bufKey, L"%s\\%s\\%s", REGPATH , guidStr, L"Enum");
// Try to read key and get proper value size
if (SHGetValue(HKEY_CURRENT_USER, bufKey, IMPLEMENTING, NULL, NULL, &dataSize))
return FALSE;
buffer.Attach((PCATCACHEHDR)CoTaskMemAlloc(dataSize));
SHGetValue(HKEY_CURRENT_USER, bufKey, IMPLEMENTING, NULL, buffer, &dataSize);
guidArray = (GUID*)(buffer + 1);
for (i = 0; i < buffer->classCount; i++)
{
// Add class to cache
DSA_InsertItem(fLocalDsa, DSA_APPEND, guidArray + i);
}
return TRUE;
}
/* Theme enumeration callback, adds theme to theme list */
static BOOL CALLBACK myEnumThemeProc (LPVOID lpReserved,
LPCWSTR pszThemeFileName,
LPCWSTR pszThemeName,
LPCWSTR pszToolTip,
LPVOID lpReserved2, LPVOID lpData)
{
ThemeFile newEntry;
/* fill size/color lists */
create_color_or_size_dsa (&newEntry.colors);
fill_theme_string_array (pszThemeFileName, &newEntry.colors, EnumThemeColors);
create_color_or_size_dsa (&newEntry.sizes);
fill_theme_string_array (pszThemeFileName, &newEntry.sizes, EnumThemeSizes);
newEntry.themeFileName = HeapAlloc (GetProcessHeap(), 0,
(lstrlenW (pszThemeFileName) + 1) * sizeof(WCHAR));
lstrcpyW (newEntry.themeFileName, pszThemeFileName);
newEntry.fancyName = HeapAlloc (GetProcessHeap(), 0,
(lstrlenW (pszThemeName) + 1) * sizeof(WCHAR));
lstrcpyW (newEntry.fancyName, pszThemeName);
/*list_add_tail (&themeFiles, &newEntry->entry);*/
DSA_InsertItem (themeFiles, themeFilesCount, &newEntry);
themeFilesCount++;
return TRUE;
}
STDAPI SHCoRegisterClassObject( const CLSID *pclsid, LPUNKNOWN pUnk,
DWORD dwClsContext, DWORD dwFlags, LPDWORD lpdwRegister)
{
HRESULT hres = E_OUTOFMEMORY;
Assert(dwClsContext == CLSCTX_INPROC_SERVER);
Assert(dwFlags == REGCLS_MULTIPLEUSE);
if (dwClsContext != CLSCTX_INPROC_SERVER || dwFlags != REGCLS_MULTIPLEUSE)
return E_INVALIDARG; // We don't support this other stuff
if (!hdsaRegClasses)
{
hdsaRegClasses = DSA_Create(SIZEOF(SHREGCLASS), 4);
}
if (hdsaRegClasses)
{
SHREGCLASS src;
src.clsid = *pclsid;
src.pUnk = pUnk;
pUnk->lpVtbl->AddRef(pUnk);
*lpdwRegister = DSA_InsertItem(hdsaRegClasses, 0x7FFF, &src);
s_iClasses++;
hres = S_OK;
}
return hres;
}
HRESULT CComCatCachedCategory::WriteCacheToDSA(HDSA pDest)
{
INT i;
for(i = 0; i < DSA_GetItemCount(fLocalDsa); i++)
{
if (DSA_InsertItem(pDest, DSA_APPEND, DSA_GetItemPtr(fLocalDsa, i)) == DSA_ERR)
return E_OUTOFMEMORY;
}
return S_OK;
}
static void color_or_size_dsa_add (WrappedDsa* wdsa, const WCHAR* name,
const WCHAR* fancyName)
{
ThemeColorOrSize item;
item.name = HeapAlloc (GetProcessHeap(), 0,
(lstrlenW (name) + 1) * sizeof(WCHAR));
lstrcpyW (item.name, name);
item.fancyName = HeapAlloc (GetProcessHeap(), 0,
(lstrlenW (fancyName) + 1) * sizeof(WCHAR));
lstrcpyW (item.fancyName, fancyName);
DSA_InsertItem (wdsa->dsa, wdsa->count, &item);
wdsa->count++;
}
BOOL PASCAL TV_SortCB(PTREE pTree, TV_SORTCB FAR *pSortCB, BOOL bRecurse,
PFNDPACOMPARE lpfnDPACompare)
{
HDPA dpaSort;
HDSA dsaCmp;
HTREEITEM hItem, hNext, hFirstMoved;
LPTVCOMPARE psCompare, FAR *ppsCompare;
int i, cKids;
HTREEITEM hParent = pSortCB->hParent;
#ifdef DEBUG
DWORD dwTime = GetTickCount();
nCompares = 0;
#endif
if (!hParent || hParent == TVI_ROOT)
hParent = pTree->hRoot;
// Code below assumes at least one kid
cKids = TV_CountKids(hParent);
if (!cKids)
return FALSE;
// Create a DSA for all the extra info we'll need
dsaCmp = DSA_Create(sizeof(TVCOMPARE), cKids);
if (!dsaCmp)
goto Error1;
// Create a DPA containing all the tree items
dpaSort = DPA_Create(cKids);
if (!dpaSort)
goto Error2;
for (hItem = hParent->hKids; hItem; hItem = hItem->hNext)
{
TVCOMPARE sCompare;
int nItem;
// If I can't sort all of them, I don't want to sort any of them
// We want to cache the text callback for default processing
if (!lpfnDPACompare && hItem->lpstr==LPSTR_TEXTCALLBACK)
{
TV_ITEM sItem;
TCHAR szTemp[MAX_PATH];
sItem.pszText = szTemp;
sItem.cchTextMax = ARRAYSIZE(szTemp);
TV_GetItem(pTree, hItem, TVIF_TEXT, &sItem);
sCompare.lpstr = NULL;
sCompare.bCallBack = TRUE;
Str_Set(&sCompare.lpstr, sItem.pszText);
if (!sCompare.lpstr)
{
goto Error3;
}
}
else
{
sCompare.lpstr = hItem->lpstr;
sCompare.bCallBack = FALSE;
}
// Create the pointer for this guy and add it to the DPA list
sCompare.hItem = hItem;
nItem = DSA_InsertItem(dsaCmp, 0x7fff, &sCompare);
if (nItem < 0)
{
if (sCompare.bCallBack)
{
Str_Set(&sCompare.lpstr, NULL);
}
goto Error3;
}
if (DPA_InsertPtr(dpaSort, 0x7fff, DSA_GetItemPtr(dsaCmp, nItem)) < 0)
{
goto Error3;
}
}
// Sort the DPA, then stick them back under the parent in the new order
DPA_Sort(dpaSort, lpfnDPACompare ? (PFNDPACOMPARE)lpfnDPACompare :
(PFNDPACOMPARE) TV_DefCompare, (LPARAM)pSortCB);
// Look for the first moved item, so we can invalidate a smaller area
ppsCompare = (LPTVCOMPARE FAR *)DPA_GetPtrPtr(dpaSort);
if (hParent->hKids != (*ppsCompare)->hItem)
{
hParent->hKids = (*ppsCompare)->hItem;
hFirstMoved = hParent->hKids;
}
else
{
hFirstMoved = NULL;
}
// We do n-1 iterations here
for (i = DPA_GetPtrCount(dpaSort) - 1; i > 0; --i, ++ppsCompare)
{
hNext = (*(ppsCompare+1))->hItem;
if ((*ppsCompare)->hItem->hNext != hNext && !hFirstMoved)
{
hFirstMoved = hNext;
}
(*ppsCompare)->hItem->hNext = hNext;
}
(*ppsCompare)->hItem->hNext = NULL;
TV_UpdateShownIndexes(pTree, hParent);
if ((pSortCB->hParent == TVI_ROOT) || !hParent) {
if (pTree->cShowing < pTree->cFullVisible) {
pTree->hTop = pTree->hRoot->hKids;
}
}
if (hFirstMoved && (hParent->state & TVIS_EXPANDED))
{
RECT rcUpdate;
TV_GetItemRect(pTree, hFirstMoved, &rcUpdate, FALSE);
if (hParent->hNext)
{
RECT rcTemp;
TV_GetItemRect(pTree, hParent->hNext, &rcTemp, FALSE);
rcUpdate.bottom = rcTemp.bottom;
}
else
{
RECT rcClient;
GetClientRect(pTree->ci.hwnd, &rcClient);
// Set to maximal positive number, so the whole rest of
// the treeview gets invalidated
rcUpdate.bottom = rcClient.bottom;
}
if (pTree->fRedraw)
InvalidateRect(pTree->ci.hwnd, &rcUpdate, TRUE);
}
Error3:
DPA_Destroy(dpaSort);
Error2:
for (i = DSA_GetItemCount(dsaCmp) - 1; i >= 0; --i)
{
psCompare = DSA_GetItemPtr(dsaCmp, i);
if (psCompare->bCallBack)
{
Str_Set(&(psCompare->lpstr), NULL);
}
}
DSA_Destroy(dsaCmp);
Error1:
#ifdef DEBUG
DebugMsg(DM_TRACE, TEXT("tv.sort: %ld ms; %d cmps"), GetTickCount()-dwTime, nCompares);
#endif
{
int wNewPos;
// restore the scroll position
if (GetWindowStyle(pTree->ci.hwnd) & WS_VSCROLL) {
SCROLLINFO si;
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_POS;
wNewPos = 0;
if (GetScrollInfo(pTree->ci.hwnd, SB_VERT, &si)) {
wNewPos = si.nPos;
}
} else {
wNewPos = 0;
}
if (TV_SetTopItem(pTree, wNewPos))
UpdateWindow(pTree->ci.hwnd);
}
// if the caret is the child of the thing that was sorted, make sure it's
// visible (but if we're sorting something completely unrelated, don't bother
if (pTree->hCaret) {
hItem = pTree->hCaret;
do {
// do this first. if hParent is hCaret, we don't want to ensure visible...
// only if it's an eventual child
hItem = hItem->hParent;
if (hParent == hItem) {
TV_EnsureVisible(pTree, pTree->hCaret);
}
} while(hItem && hItem != pTree->hRoot);
}
return TRUE;
}
