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;
}
/* Scan for themes */
static void scan_theme_files(void)
{
static const WCHAR themesSubdir[] = { '\\','T','h','e','m','e','s',0 };
WCHAR themesPath[MAX_PATH];
free_theme_files();
if (FAILED (SHGetFolderPathW (NULL, CSIDL_RESOURCES, NULL,
SHGFP_TYPE_CURRENT, themesPath))) return;
themeFiles = DSA_Create (sizeof (ThemeFile), 1);
lstrcatW (themesPath, themesSubdir);
EnumThemes (themesPath, myEnumThemeProc, 0);
}
CComCatCachedCategory::CComCatCachedCategory()
{
fLocalDsa = DSA_Create(sizeof(GUID), 5);
}
CSHEnumClassesOfCategories::CSHEnumClassesOfCategories()
{
fCursor = 0;
fDsa = DSA_Create(sizeof(GUID), 5);
}
static void create_color_or_size_dsa (WrappedDsa* wdsa)
{
wdsa->dsa = DSA_Create (sizeof (ThemeColorOrSize), 1);
wdsa->count = 0;
}
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;
}
