// Start thread to extract file icons in the background
BOOL DirList_StartIconThread(HWND hwnd) {
DWORD dwtid;
DLDATA* lpdl = (DLDATA*)GetProp(hwnd, pDirListProp);
DirList_TerminateIconThread(hwnd);
ResetEvent(lpdl->hExitThread);
// ResetEvent(lpdl->hTerminatedThread);
CreateThread(NULL, 0, DirList_IconThread, (LPVOID)lpdl, 0, &dwtid);
return TRUE;
}
// Free memory used by dl structure
BOOL DirList_Destroy(HWND hwnd) {
DLDATA* lpdl = (DLDATA*)GetProp(hwnd, pDirListProp);
// Release multithreading objects
DirList_TerminateIconThread(hwnd);
CloseHandle(lpdl->hExitThread);
CloseHandle(lpdl->hTerminatedThread);
if (lpdl->pidl)
CoTaskMemFree(lpdl->pidl);
if (lpdl->lpsf)
lpdl->lpsf->Release();
// Free DirListData Property
RemoveProp(hwnd, pDirListProp);
GlobalFree(lpdl);
return FALSE;
}
//=============================================================================
//
// DirList_Fill()
//
// Snapshots a directory and displays the items in the listview control
//
int DirList_Fill(HWND hwnd,LPCWSTR lpszDir,DWORD grfFlags,LPCWSTR lpszFileSpec,
BOOL bExcludeFilter,BOOL bNoFadeHidden,
int iSortFlags,BOOL fSortRev)
{
WCHAR wszDir[MAX_PATH];
LPSHELLFOLDER lpsfDesktop = NULL;
LPSHELLFOLDER lpsf = NULL;
LPITEMIDLIST pidl = NULL;
LPITEMIDLIST pidlEntry = NULL;
LPENUMIDLIST lpe = NULL;
LV_ITEM lvi;
LPLV_ITEMDATA lplvid;
ULONG chParsed = 0;
ULONG dwAttributes = 0;
DL_FILTER dlf;
SHFILEINFO shfi;
LPDLDATA lpdl = (LPVOID)GetProp(hwnd,pDirListProp);
// Initialize default icons
SHGetFileInfo(L"Icon",FILE_ATTRIBUTE_DIRECTORY,&shfi,sizeof(SHFILEINFO),
SHGFI_USEFILEATTRIBUTES | SHGFI_SMALLICON | SHGFI_SYSICONINDEX);
lpdl->iDefIconFolder = shfi.iIcon;
SHGetFileInfo(L"Icon",FILE_ATTRIBUTE_NORMAL,&shfi,sizeof(SHFILEINFO),
SHGFI_USEFILEATTRIBUTES | SHGFI_SMALLICON | SHGFI_SYSICONINDEX);
lpdl->iDefIconFile = shfi.iIcon;
// First of all terminate running icon thread
DirList_TerminateIconThread(hwnd);
// A Directory is strongly required
if (!lpszDir || !*lpszDir)
return(-1);
lstrcpy(lpdl->szPath,lpszDir);
// Init ListView
SendMessage(hwnd,WM_SETREDRAW,0,0);
ListView_DeleteAllItems(hwnd);
// Init Filter
DirList_CreateFilter(&dlf,lpszFileSpec,bExcludeFilter);
// Init lvi
lvi.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM;
lvi.iItem = 0;
lvi.iSubItem = 0;
lvi.pszText = LPSTR_TEXTCALLBACK;
lvi.cchTextMax = MAX_PATH;
lvi.iImage = I_IMAGECALLBACK;
// Convert Directory to a UNICODE string
/*MultiByteToWideChar(CP_ACP,
MB_PRECOMPOSED,
lpszDir,
-1,
wszDir,
MAX_PATH);*/
lstrcpy(wszDir,lpszDir);
// Get Desktop Folder
if (NOERROR == SHGetDesktopFolder(&lpsfDesktop))
{
// Convert wszDir into a pidl
if (NOERROR == lpsfDesktop->lpVtbl->ParseDisplayName(
lpsfDesktop,
hwnd,
NULL,
wszDir,
&chParsed,
&pidl,
&dwAttributes))
{
// Bind pidl to IShellFolder
if (NOERROR == lpsfDesktop->lpVtbl->BindToObject(
lpsfDesktop,
pidl,
NULL,
&IID_IShellFolder,
&lpsf))
{
// Create an Enumeration object for lpsf
if (NOERROR == lpsf->lpVtbl->EnumObjects(
lpsf,
hwnd,
grfFlags,
&lpe))
{
// Enumerate the contents of lpsf
while (NOERROR == lpe->lpVtbl->Next(
lpe,
1,
&pidlEntry,
NULL))
{
// Add found item to the List
// Check if it's part of the Filesystem
dwAttributes = SFGAO_FILESYSTEM | SFGAO_FOLDER;
lpsf->lpVtbl->GetAttributesOf(
lpsf,
1,
&pidlEntry,
&dwAttributes);
if (dwAttributes & SFGAO_FILESYSTEM)
{
// Check if item matches specified filter
if (DirList_MatchFilter(lpsf,pidlEntry,&dlf))
{
lplvid = CoTaskMemAlloc(sizeof(LV_ITEMDATA));
lplvid->pidl = pidlEntry;
lplvid->lpsf = lpsf;
lpsf->lpVtbl->AddRef(lpsf);
lvi.lParam = (LPARAM)lplvid;
// Setup default Icon - Folder or File
lvi.iImage = (dwAttributes & SFGAO_FOLDER) ?
lpdl->iDefIconFolder : lpdl->iDefIconFile;
ListView_InsertItem(hwnd,&lvi);
lvi.iItem++;
}
}
} // IEnumIDList::Next()
lpe->lpVtbl->Release(lpe);
} // IShellFolder::EnumObjects()
} // IShellFolder::BindToObject()
} // IShellFolder::ParseDisplayName()
lpsfDesktop->lpVtbl->Release(lpsfDesktop);
} // SHGetDesktopFolder()
if (lpdl->pidl)
CoTaskMemFree(lpdl->pidl);
if (lpdl->lpsf && lpdl->lpsf->lpVtbl)
lpdl->lpsf->lpVtbl->Release(lpdl->lpsf);
// Set lpdl
lpdl->cbidl = IL_GetSize(pidl);
lpdl->pidl = pidl;
lpdl->lpsf = lpsf;
lpdl->bNoFadeHidden = bNoFadeHidden;
// Set column width to fit window
ListView_SetColumnWidth(hwnd,0,LVSCW_AUTOSIZE_USEHEADER);
// Sort before display is updated
DirList_Sort(hwnd,iSortFlags,fSortRev);
// Redraw Listview
SendMessage(hwnd,WM_SETREDRAW,1,0);
// Return number of items in the control
return (ListView_GetItemCount(hwnd));
}
