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Dlapi.c
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// encoding: UTF-8
/******************************************************************************
* *
* *
* Notepad3 *
* *
* Dlapi.c *
* Directory Listing APIs used in Notepad3 *
* Based on code from Notepad2, (c) Florian Balmer 1996-2011 *
* *
* (c) Rizonesoft 2008-2022 *
* https://rizonesoft.com *
* *
* *
*******************************************************************************/
#include "Helpers.h"
#include <commctrl.h>
#include <shlobj.h>
#include <shellapi.h>
#include <shlwapi.h>
#include <string.h>
#include "PathLib.h"
#include "Dlapi.h"
//==== DirList ================================================================
//==== DLDATA Structure =======================================================
typedef struct tagDLDATA { // dl
BackgroundWorker worker; // where HWND is ListView Control
UINT cbidl; // Size of pidl
LPITEMIDLIST pidl; // Directory Id
LPSHELLFOLDER lpsf; // IShellFolder Interface to pidl
int iDefIconFolder; // Default Folder Icon
int iDefIconFile; // Default File Icon
bool bNoFadeHidden; // Flag passed from GetDispInfo()
HPATHL hDirectoryPath; // Pathname to Directory Id
} DLDATA, *LPDLDATA;
//==== Property Name ==========================================================
static const WCHAR *pDirListProp = L"DirListData";
//=============================================================================
//
// DirList_Init()
//
// Initializes the DLDATA structure and sets up the listview control
//
bool DirList_Init(HWND hwnd,LPCWSTR pszHeader, HPATHL hFilePath)
{
UNREFERENCED_PARAMETER(pszHeader);
// Allocate DirListData Property
LPDLDATA lpdl = (LPDLDATA)GlobalAlloc(GPTR, sizeof(DLDATA));
if (lpdl) {
SetProp(hwnd, pDirListProp, (HANDLE)lpdl);
// Setup dl
BackgroundWorker_Init(&lpdl->worker, hwnd, NULL);
lpdl->cbidl = 0;
lpdl->pidl = NULL;
lpdl->lpsf = NULL;
lpdl->hDirectoryPath = hFilePath;
Path_Empty(lpdl->hDirectoryPath, false);
// Add Imagelists
SHFILEINFO shfi = { 0 };
HIMAGELIST hil = (HIMAGELIST)SHGetFileInfo(L"C:\\", FILE_ATTRIBUTE_DIRECTORY, &shfi, sizeof(SHFILEINFO),
SHGFI_SMALLICON | SHGFI_SYSICONINDEX | SHGFI_USEFILEATTRIBUTES);
ListView_SetImageList(hwnd, hil, LVSIL_SMALL);
hil = (HIMAGELIST)SHGetFileInfo(L"C:\\", FILE_ATTRIBUTE_DIRECTORY, &shfi, sizeof(SHFILEINFO),
SHGFI_LARGEICON | SHGFI_SYSICONINDEX | SHGFI_USEFILEATTRIBUTES);
ListView_SetImageList(hwnd, hil, LVSIL_NORMAL);
// Initialize default icons - done in DirList_Fill()
//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;
lpdl->iDefIconFolder = 0;
lpdl->iDefIconFile = 0;
}
return true;
}
//=============================================================================
//
// DirList_Destroy()
//
// Free memory used by dl structure
//
bool DirList_Destroy(HWND hwnd)
{
LPDLDATA lpdl = (LPDLDATA)GetProp(hwnd, pDirListProp);
BackgroundWorker_Destroy(&lpdl->worker);
if (lpdl->pidl) {
CoTaskMemFree((LPVOID)lpdl->pidl);
}
if (lpdl->lpsf) {
lpdl->lpsf->lpVtbl->Release(lpdl->lpsf);
}
// Free DirListData Property
RemoveProp(hwnd,pDirListProp);
GlobalFree(lpdl);
return false;
}
//=============================================================================
//
// DirList_StartIconThread()
//
// Start thread to extract file icons in the background
//
void DirList_StartIconThread(HWND hwnd)
{
LPDLDATA lpdl = (LPDLDATA)GetProp(hwnd, pDirListProp);
BackgroundWorker_Cancel(&lpdl->worker);
BackgroundWorker_Start(&lpdl->worker, DirList_IconThread, lpdl);
}
//=============================================================================
//
// 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)
{
LPDLDATA lpdl = (LPDLDATA)GetProp(hwnd, pDirListProp);
// Initialize default icons
SHFILEINFO shfi = { 0 };
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
BackgroundWorker_Cancel(&lpdl->worker);
// A Directory is strongly required
if (!lpszDir || !*lpszDir) {
return(-1);
}
Path_Reset(lpdl->hDirectoryPath, lpszDir);
// Init ListView
SendMessage(hwnd,WM_SETREDRAW,0,0);
ListView_DeleteAllItems(hwnd);
// Init Filter
DL_FILTER dlf = { 0 };
DirList_CreateFilter(&dlf,lpszFileSpec,bExcludeFilter);
// Init lvi
LV_ITEM lvi = { 0 };
lvi.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM;
lvi.iItem = 0;
lvi.iSubItem = 0;
lvi.pszText = LPSTR_TEXTCALLBACK;
lvi.cchTextMax = MAX_PATH_EXPLICIT;
lvi.iImage = I_IMAGECALLBACK;
// Convert Directory to a UNICODE string
/*MultiByteToWideCharEx(CP_ACP,
MB_PRECOMPOSED,
lpszDir,
-1,
wszDir,
MAX_PATH_EXPLICIT);*/
LPWSTR const wchDir = Path_WriteAccessBuf(lpdl->hDirectoryPath, 0);
// Get Desktop Folder
LPSHELLFOLDER lpsf = NULL;
LPSHELLFOLDER lpsfDesktop = NULL;
if (NOERROR == SHGetDesktopFolder(&lpsfDesktop)) {
// Convert wszDir into a pidl
ULONG chParsed = 0;
LPITEMIDLIST pidl = NULL;
ULONG dwAttributes = 0;
if (NOERROR == lpsfDesktop->lpVtbl->ParseDisplayName(
lpsfDesktop,
hwnd,
NULL,
wchDir,
&chParsed,
&pidl,
&dwAttributes))
{
// Bind pidl to IShellFolder
if (NOERROR == lpsfDesktop->lpVtbl->BindToObject(
lpsfDesktop,
pidl,
NULL,
&IID_IShellFolder,
(void**)&lpsf))
{
// Create an Enumeration object for lpsf
LPENUMIDLIST lpe = NULL;
if (NOERROR == lpsf->lpVtbl->EnumObjects(
lpsf,
hwnd,
grfFlags,
&lpe))
{
// Enumerate the contents of lpsf
LPITEMIDLIST pidlEntry = NULL;
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,
(LPCITEMIDLIST*)&pidlEntry,
&dwAttributes);
if (dwAttributes & SFGAO_FILESYSTEM) {
// Check if item matches specified filter
if (DirList_MatchFilter(lpsf,pidlEntry,&dlf)) {
LPLV_ITEMDATA lplvid = CoTaskMemAlloc(sizeof(LV_ITEMDATA));
if (lplvid) {
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((LPVOID)lpdl->pidl);
}
if (lpdl->lpsf && lpdl->lpsf->lpVtbl) {
lpdl->lpsf->lpVtbl->Release(lpdl->lpsf);
}
// Set lpdl
LPITEMIDLIST pidl = NULL;
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));
}
//=============================================================================
//
// DirList_IconThread()
//
// Thread to extract file icons in the background
//
unsigned int WINAPI DirList_IconThread(LPVOID lpParam)
{
LPDLDATA lpdl = (LPDLDATA)lpParam;
BackgroundWorker *worker = &lpdl->worker;
// Exit immediately if DirList_Fill() hasn't been called
if (!(lpdl->lpsf)) {
return(0);
}
(void)CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_SPEED_OVER_MEMORY);
HWND hwnd = worker->hwnd;
int iMaxItem = ListView_GetItemCount(hwnd);
// Get IShellIcon
IShellIcon* lpshi = NULL;
lpdl->lpsf->lpVtbl->QueryInterface(lpdl->lpsf,&IID_IShellIcon, (void**)&lpshi);
int iItem = 0;
while (iItem < iMaxItem && BackgroundWorker_Continue(worker)) {
LV_ITEM lvi = { 0 };
lvi.iItem = iItem;
lvi.mask = LVIF_PARAM;
if (ListView_GetItem(hwnd,&lvi)) {
SHFILEINFO shfi = { 0 };
LPITEMIDLIST pidl;
DWORD dwAttributes = SFGAO_LINK | SFGAO_SHARE;
LPLV_ITEMDATA lplvid = (LPLV_ITEMDATA)lvi.lParam;
lvi.mask = LVIF_IMAGE;
if (!lpshi || NOERROR != lpshi->lpVtbl->GetIconOf(lpshi,lplvid->pidl,GIL_FORSHELL,&lvi.iImage)) {
// get attributes of the shell object using its pidl.
lplvid->lpsf->lpVtbl->GetAttributesOf(lplvid->lpsf, 1, (LPCITEMIDLIST*)&lplvid->pidl, &dwAttributes);
DWORD attr = 0;
if ((dwAttributes & SFGAO_FOLDER) == SFGAO_FOLDER) {
attr = FILE_ATTRIBUTE_DIRECTORY;
} else {
attr = FILE_ATTRIBUTE_NORMAL;
}
pidl = IL_Create(lpdl->pidl, lpdl->cbidl, lplvid->pidl, 0);
SHGetFileInfo((LPCWSTR)pidl,attr,&shfi,sizeof(SHFILEINFO),
SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_USEFILEATTRIBUTES);
CoTaskMemFree((LPVOID)pidl);
lvi.iImage = shfi.iIcon;
}
// It proved necessary to reset the state bits...
lvi.stateMask = 0;
lvi.state = 0;
// Link and Share Overlay
lplvid->lpsf->lpVtbl->GetAttributesOf(lplvid->lpsf,1, (LPCITEMIDLIST*)&lplvid->pidl,&dwAttributes);
if (dwAttributes & SFGAO_LINK) {
lvi.mask |= LVIF_STATE;
lvi.stateMask |= LVIS_OVERLAYMASK;
lvi.state |= INDEXTOOVERLAYMASK(2);
}
if (dwAttributes & SFGAO_SHARE) {
lvi.mask |= LVIF_STATE;
lvi.stateMask |= LVIS_OVERLAYMASK;
lvi.state |= INDEXTOOVERLAYMASK(1);
}
// Fade hidden/system files
if (!lpdl->bNoFadeHidden) {
WIN32_FIND_DATA fd;
if (NOERROR == SHGetDataFromIDList(lplvid->lpsf,lplvid->pidl,
SHGDFIL_FINDDATA,&fd,sizeof(WIN32_FIND_DATA))) {
if ((fd.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) ||
(fd.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM)) {
lvi.mask |= LVIF_STATE;
lvi.stateMask |= LVIS_CUT;
lvi.state |= LVIS_CUT;
}
}
}
lvi.iSubItem = 0;
ListView_SetItem(hwnd,&lvi);
}
iItem++;
}
if (lpshi) {
lpshi->lpVtbl->Release(lpshi);
}
CoUninitialize();
BackgroundWorker_End(0);
return 0;
}
//=============================================================================
//
// DirList_GetDispInfo()
//
// Must be called in response to a WM_NOTIFY/LVN_GETDISPINFO message from
// the listview control
//
bool DirList_GetDispInfo(HWND hwnd,LPARAM lParam,bool bNoFadeHidden)
{
UNREFERENCED_PARAMETER(hwnd);
UNREFERENCED_PARAMETER(bNoFadeHidden);
LV_DISPINFO *lpdi = (LPVOID)lParam;
LPLV_ITEMDATA lplvid = (LPLV_ITEMDATA)lpdi->item.lParam;
// SubItem 0 is handled only
if (lpdi->item.iSubItem != 0) {
return false;
}
// Text
if (lpdi->item.mask & LVIF_TEXT)
IL_GetDisplayName(lplvid->lpsf,lplvid->pidl,SHGDN_INFOLDER,
lpdi->item.pszText,lpdi->item.cchTextMax);
// Set values
lpdi->item.mask |= LVIF_DI_SETITEM;
return true;
}
//=============================================================================
//
// DirList_DeleteItem()
//
// Must be called in response to a WM_NOTIFY/LVN_DELETEITEM message
// from the control
//
bool DirList_DeleteItem(HWND hwnd,LPARAM lParam)
{
if (!lParam) {
return false;
}
LPNMLISTVIEW lpnmlv = (LPNMLISTVIEW)lParam;
LV_ITEM lvi = { 0 };
lvi.iItem = lpnmlv->iItem;
lvi.iSubItem = 0;
lvi.mask = LVIF_PARAM;
if (ListView_GetItem(hwnd,&lvi)) {
// Free mem
LPLV_ITEMDATA lplvid = (LPLV_ITEMDATA)lvi.lParam;
CoTaskMemFree((LPVOID)lplvid->pidl);
lplvid->lpsf->lpVtbl->Release(lplvid->lpsf);
CoTaskMemFree(lplvid);
return true;
}
return false;
}
//=============================================================================
//
// DirList_CompareProc()
//
// Compares two list items
//
int CALLBACK DirList_CompareProcFw(LPARAM lp1,LPARAM lp2,LPARAM lFlags)
{
LPLV_ITEMDATA lplvid1 = (LPLV_ITEMDATA)lp1;
LPLV_ITEMDATA lplvid2 = (LPLV_ITEMDATA)lp2;
HRESULT hr = (lplvid1->lpsf->lpVtbl->CompareIDs(lplvid1->lpsf,lFlags,lplvid1->pidl,lplvid2->pidl));
int result = (short)(SCODE_CODE(GetScode(hr)));
if (result != 0 || lFlags == 0) {
return result;
}
hr = (lplvid1->lpsf->lpVtbl->CompareIDs(lplvid1->lpsf,0,lplvid1->pidl,lplvid2->pidl));
result = (short)(SCODE_CODE(GetScode(hr)));
return result;
}
int CALLBACK DirList_CompareProcRw(LPARAM lp1,LPARAM lp2,LPARAM lFlags)
{
LPLV_ITEMDATA lplvid1 = (LPLV_ITEMDATA)lp1;
LPLV_ITEMDATA lplvid2 = (LPLV_ITEMDATA)lp2;
HRESULT hr = (lplvid1->lpsf->lpVtbl->CompareIDs(lplvid1->lpsf,lFlags,lplvid1->pidl,lplvid2->pidl));
int result = -(short)(SCODE_CODE(GetScode(hr)));
if (result != 0) {
return result;
}
hr = (lplvid1->lpsf->lpVtbl->CompareIDs(lplvid1->lpsf,0,lplvid1->pidl,lplvid2->pidl));
result = -(short)(SCODE_CODE(GetScode(hr)));
return result;
}
//=============================================================================
//
// DirList_Sort()
//
// Sorts the listview control by the specified order
//
bool DirList_Sort(HWND hwnd,int lFlags,bool fRev)
{
if (fRev) {
return ListView_SortItems(hwnd, DirList_CompareProcRw, lFlags);
}
return ListView_SortItems(hwnd,DirList_CompareProcFw,lFlags);
}
//=============================================================================
//
// DirList_GetItem()
//
// Copies the data of the specified item in the listview control to a buffer
//
int DirList_GetItem(HWND hwnd,int iItem,LPDLITEM lpdli)
{
if (iItem == -1) {
if (ListView_GetSelectedCount(hwnd)) {
iItem = ListView_GetNextItem(hwnd,-1,LVNI_ALL | LVNI_SELECTED);
} else {
return(-1);
}
}
LV_ITEM lvi = { 0 };
lvi.mask = LVIF_PARAM;
lvi.iItem = iItem;
lvi.iSubItem = 0;
if (!ListView_GetItem(hwnd,&lvi)) {
if (lpdli->mask & DLI_TYPE) {
lpdli->ntype = DLE_NONE;
}
return(-1);
}
LPLV_ITEMDATA lplvid = (LPLV_ITEMDATA)lvi.lParam;
// Filename
if (lpdli->mask & DLI_FILENAME)
IL_GetDisplayName(lplvid->lpsf,lplvid->pidl,SHGDN_FORPARSING,
lpdli->pthFileName, PATHLONG_MAX_CCH);
// Displayname
if (lpdli->mask & DLI_DISPNAME)
IL_GetDisplayName(lplvid->lpsf,lplvid->pidl,SHGDN_INFOLDER,
lpdli->strDisplayName, INTERNET_MAX_URL_LENGTH);
// Type (File / Directory)
if (lpdli->mask & DLI_TYPE) {
WIN32_FIND_DATA fd;
if (NOERROR == SHGetDataFromIDList(lplvid->lpsf,
lplvid->pidl,
SHGDFIL_FINDDATA,
&fd,
sizeof(WIN32_FIND_DATA)))
lpdli->ntype = (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ?
DLE_DIR : DLE_FILE;
//ULONG dwAttributes = SFGAO_FILESYSTEM;
/*lplvid->lpsf->lpVtbl->GetAttributesOf(
lplvid->lpsf,
1,
&lplvid->pidl,
&dwAttributes);
lpdli->ntype = (dwAttributes & SFGAO_FOLDER) ? DLE_DIR : DLE_FILE;*/
}
return iItem;
}
//=============================================================================
//
// DirList_GetItemEx()
//
// Retrieves extended infomration on a dirlist item
//
int DirList_GetItemEx(HWND hwnd,int iItem,LPWIN32_FIND_DATA pfd)
{
LV_ITEM lvi;
LPLV_ITEMDATA lplvid;
if (iItem == -1) {
if (ListView_GetSelectedCount(hwnd))
{
iItem = ListView_GetNextItem(hwnd,-1,LVNI_ALL | LVNI_SELECTED);
}
else
{
return(-1);
}
}
lvi.mask = LVIF_PARAM;
lvi.iItem = iItem;
lvi.iSubItem = 0;
if (!ListView_GetItem(hwnd, &lvi)) {
return(-1);
}
lplvid = (LPLV_ITEMDATA)lvi.lParam;
if (NOERROR == SHGetDataFromIDList(lplvid->lpsf,
lplvid->pidl,
SHGDFIL_FINDDATA,
pfd,
sizeof(WIN32_FIND_DATA))) {
return iItem;
}
return(-1);
}
//=============================================================================
//
// DirList_PropertyDlg()
//
// Shows standard Win95 Property Dlg for selected Item
//
bool DirList_PropertyDlg(HWND hwnd,int iItem)
{
LV_ITEM lvi;
LPLV_ITEMDATA lplvid;
LPCONTEXTMENU lpcm;
CMINVOKECOMMANDINFO cmi;
bool bSuccess = true;
static const char *lpVerb = "properties";
if (iItem == -1) {
if (ListView_GetSelectedCount(hwnd)) {
iItem = ListView_GetNextItem(hwnd,-1,LVNI_ALL | LVNI_SELECTED);
}
else {
return false;
}
}
lvi.mask = LVIF_PARAM;
lvi.iItem = iItem;
lvi.iSubItem = 0;
if (!ListView_GetItem(hwnd,&lvi)) {
return false;
}
lplvid = (LPLV_ITEMDATA)lvi.lParam;
if (NOERROR == lplvid->lpsf->lpVtbl->GetUIObjectOf(lplvid->lpsf,
GetParent(hwnd), // Owner
1, // Number of objects
(LPCITEMIDLIST*)&lplvid->pidl, // pidl
&IID_IContextMenu,
NULL,
(void**)&lpcm)) {
cmi.cbSize = sizeof(CMINVOKECOMMANDINFO);
cmi.fMask = 0;
cmi.hwnd = GetParent(hwnd);
cmi.lpVerb = lpVerb;
cmi.lpParameters = NULL;
cmi.lpDirectory = NULL;
cmi.nShow = SW_SHOWNORMAL;
cmi.dwHotKey = 0;
cmi.hIcon = NULL;
if (NOERROR != lpcm->lpVtbl->InvokeCommand(lpcm,&cmi)) {
bSuccess = false;
}
lpcm->lpVtbl->Release(lpcm);
}
else {
bSuccess = false;
}
return(bSuccess);
}
#if 0
//=============================================================================
//
// DirList_GetLongPathName()
//
// Get long pathname for currently displayed directory
//
bool DirList_GetLongPathName(HWND hwnd,LPWSTR lpszLongPath,int length)
{
HPATHL hpth = Path_Allocate(NULL);
LPWSTR const pth_buf = Path_WriteAccessBuf(hpth, PATHLONG_MAX_CCH);
LPDLDATA lpdl = (LPVOID)GetProp(hwnd,pDirListProp);
bool res = false;
if (SHGetPathFromIDListW(lpdl->pidl, pth_buf)) {
Path_Sanitize(hpth);
StringCchCopyW(lpszLongPath, length, pth_buf);
res = true;
}
Path_Release(hpth);
return res;
}
#endif
//=============================================================================
//
// DirList_SelectItem()
//
// Select specified item in the list
//
bool DirList_SelectItem(HWND hwnd,LPCWSTR lpszDisplayName,LPCWSTR lpszFullPath)
{
#define LVIS_FLAGS LVIS_SELECTED|LVIS_FOCUSED
if (StrIsEmpty(lpszFullPath)) {
return false;
}
HPATHL hshort_pth = Path_Allocate(lpszFullPath);
Path_ToShortPathName(hshort_pth);
SHFILEINFO shfi = { 0 };
if (StrIsEmpty(lpszDisplayName)) {
SHGetFileInfoW(lpszFullPath, 0, &shfi, sizeof(SHFILEINFO), SHGFI_DISPLAYNAME);
} else {
StringCchCopy(shfi.szDisplayName, COUNTOF(shfi.szDisplayName), lpszDisplayName);
}
LV_FINDINFO lvfi = { 0 };
lvfi.flags = LVFI_STRING;
lvfi.psz = shfi.szDisplayName;
DLITEM dli = { 0 };
dli.mask = DLI_ALL;
HPATHL hpthFileName = Path_Allocate(NULL);
dli.pthFileName = Path_WriteAccessBuf(hpthFileName, PATHLONG_MAX_CCH);
HSTRINGW hstrDisplayName = StrgCreate(NULL);
dli.strDisplayName = StrgWriteAccessBuf(hstrDisplayName, INTERNET_MAX_URL_LENGTH);
int i = -1;
bool res = false;
while ((i = ListView_FindItem(hwnd, i, &lvfi)) != -1) {
DirList_GetItem(hwnd,i,&dli);
GetShortPathNameW(dli.pthFileName, dli.pthFileName, (DWORD)Path_GetBufCount(hpthFileName));
if (StringCchCompareXI(dli.pthFileName, Path_Get(hshort_pth)) == 0) {
ListView_SetItemState(hwnd,i,LVIS_FLAGS,LVIS_FLAGS);
ListView_EnsureVisible(hwnd,i,false);
res = true;
break;
}
}
StrgDestroy(hstrDisplayName);
Path_Release(hpthFileName);
Path_Release(hshort_pth);
return res;
}
//=============================================================================
//
// DirList_CreateFilter()
//
// Create a valid DL_FILTER structure
//
void DirList_CreateFilter(PDL_FILTER pdlf,LPCWSTR lpszFileSpec,
bool bExcludeFilter)
{
if (!lpszFileSpec) {
return;
}
ZeroMemory(pdlf,sizeof(DL_FILTER));
StringCchCopyN(pdlf->tFilterBuf,COUNTOF(pdlf->tFilterBuf),lpszFileSpec,DL_FILTER_BUFSIZE);
pdlf->bExcludeFilter = bExcludeFilter;
if (!StringCchCompareX(lpszFileSpec, L"*.*") || StrIsEmpty(lpszFileSpec)) {
return;
}
pdlf->nCount = 1;
pdlf->pFilter[0] = &pdlf->tFilterBuf[0]; // Zeile zum Ausprobieren
WCHAR* p = StrChr(pdlf->pFilter[pdlf->nCount - 1], L';');
while (p) {
*p = L'\0'; // Replace L';' by L'\0'
pdlf->pFilter[pdlf->nCount] = (p + 1); // Next position after L';'
p = StrChr(pdlf->pFilter[pdlf->nCount], L';');
pdlf->nCount++; // Increase number of filters
}
}
//=============================================================================
//
// DirList_MatchFilter()
//
// Check if a specified item matches a given filter
//
bool DirList_MatchFilter(LPSHELLFOLDER lpsf,LPCITEMIDLIST pidl,PDL_FILTER pdlf)
{
int i;
WIN32_FIND_DATA fd;
bool bMatchSpec;
// Immediately return true if lpszFileSpec is *.* or NULL
if (pdlf->nCount == 0 && !pdlf->bExcludeFilter) {
return true;
}
SHGetDataFromIDList(lpsf,pidl,SHGDFIL_FINDDATA,&fd,sizeof(WIN32_FIND_DATA));
// All the directories are added
if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
return true;
}
// Check if exclude *.* after directories have been added
if (pdlf->nCount == 0 && pdlf->bExcludeFilter) {
return false;
}
for (i = 0; i < pdlf->nCount; i++) {
if (*pdlf->pFilter[i]) { // Filters like L"\0" are ignored
bMatchSpec = PathMatchSpec(fd.cFileName,pdlf->pFilter[i]);
if (bMatchSpec) {
if (!pdlf->bExcludeFilter) {
return true;
}
return false;
}
}
}
// No matching
return(pdlf->bExcludeFilter)?true:false;
}
#if 0
//==== DriveBox ===============================================================
//=============================================================================
//
// Internal Itemdata Structure
//
typedef struct tagDC_ITEMDATA {
LPITEMIDLIST pidl;
LPSHELLFOLDER lpsf;
} DC_ITEMDATA, *LPDC_ITEMDATA;
//=============================================================================
//
// DriveBox_Init()
//
// Initializes the drive box
//
bool DriveBox_Init(HWND hwnd)
{
SHFILEINFO shfi = { 0 };
HIMAGELIST hil = (HIMAGELIST)SHGetFileInfo(L"C:\\",FILE_ATTRIBUTE_DIRECTORY,&shfi,sizeof(SHFILEINFO),
SHGFI_SMALLICON | SHGFI_SYSICONINDEX | SHGFI_USEFILEATTRIBUTES);
SendMessage(hwnd,CBEM_SETIMAGELIST,0,(LPARAM)hil);
SendMessage(hwnd,CBEM_SETEXTENDEDSTYLE,CBES_EX_NOSIZELIMIT,CBES_EX_NOSIZELIMIT);
return true;
}
//=============================================================================
//
// DriveBox_Fill
//
int DriveBox_Fill(HWND hwnd)
{
LPSHELLFOLDER lpsfDesktop;
LPSHELLFOLDER lpsf; // Workspace == CSIDL_DRIVES
LPITEMIDLIST pidlEntry;
LPENUMIDLIST lpe;
LPDC_ITEMDATA lpdcid;
DWORD grfFlags = SHCONTF_FOLDERS;
// Init ComboBox
SendMessage(hwnd,WM_SETREDRAW,0,0);
SendMessage(hwnd,CB_RESETCONTENT,0,0);
COMBOBOXEXITEM cbei = { 0 };
cbei.mask = CBEIF_TEXT | CBEIF_IMAGE | CBEIF_SELECTEDIMAGE | CBEIF_LPARAM;
cbei.pszText = LPSTR_TEXTCALLBACK;
cbei.cchTextMax = MAX_PATH_EXPLICIT;
cbei.iImage = I_IMAGECALLBACK;
cbei.iSelectedImage = I_IMAGECALLBACK;
LPITEMIDLIST pidl = { 0 };
// Get pidl to [My Computer]
if (NOERROR == SHGetSpecialFolderLocation(hwnd,
CSIDL_DRIVES,
&pidl)) {
// Get Desktop Folder
if (NOERROR == SHGetDesktopFolder(&lpsfDesktop)) {
// Bind pidl to IShellFolder
if (NOERROR == lpsfDesktop->lpVtbl->BindToObject(
lpsfDesktop,
pidl,
NULL,
&IID_IShellFolder,
(void**)&lpsf)) {
// Create an Enumeration object for lpsf
if (NOERROR == lpsf->lpVtbl->EnumObjects(
lpsf,