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Dlapi.c
1769 lines (1280 loc) · 44.2 KB
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Dlapi.c
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/******************************************************************************
*
*
* Notepad2
*
* Dlapi.c
* Directory Listing APIs used in Notepad2
*
* See Readme.txt for more information about this source code.
* Please send me your comments to this work.
*
* See License.txt for details about distribution and modification.
*
* (c) Florian Balmer 1996-2010
* florian.balmer@gmail.com
* http://www.flos-freeware.ch
*
*
******************************************************************************/
#define _WIN32_WINNT 0x501
#include <windows.h>
#include <commctrl.h>
#include <shlobj.h>
#include <shlwapi.h>
#include <string.h>
#include "dlapi.h"
//==== Global LPMALLOC instance ===============================================
extern LPMALLOC g_lpMalloc;
//==== DirList ================================================================
//==== DLDATA Structure =======================================================
typedef struct tagDLDATA // dl
{
HWND hwnd; // HWND of ListView Control
UINT cbidl; // Size of pidl
LPITEMIDLIST pidl; // Directory Id
LPSHELLFOLDER lpsf; // IShellFolder Interface to pidl
WCHAR szPath[MAX_PATH]; // Pathname to Directory Id
int iDefIconFolder; // Default Folder Icon
int iDefIconFile; // Default File Icon
BOOL bNoFadeHidden; // Flag passed from GetDispInfo()
HANDLE hExitThread; // Flag is set when Icon Thread should terminate
HANDLE hTerminatedThread; // Flag is set when Icon Thread has terminated
} 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)
{
HIMAGELIST hil;
SHFILEINFO shfi;
LV_COLUMN lvc;
// Allocate DirListData Property
LPDLDATA lpdl = (LPVOID)GlobalAlloc(GPTR,sizeof(DLDATA));
SetProp(hwnd,pDirListProp,(HANDLE)lpdl);
// Setup dl
lpdl->hwnd = hwnd;
lpdl->cbidl = 0;
lpdl->pidl = NULL;
lpdl->lpsf = NULL;
lstrcpy(lpdl->szPath,L"");
// Add Imagelists
hil = (HIMAGELIST)SHGetFileInfo(L"C:\\",0,&shfi,sizeof(SHFILEINFO),
SHGFI_SMALLICON | SHGFI_SYSICONINDEX);
ListView_SetImageList(hwnd,hil,LVSIL_SMALL);
hil = (HIMAGELIST)SHGetFileInfo(L"C:\\",0,&shfi,sizeof(SHFILEINFO),
SHGFI_LARGEICON | SHGFI_SYSICONINDEX);
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;
// Icon thread control
lpdl->hExitThread = CreateEvent(NULL,TRUE,FALSE,NULL);
lpdl->hTerminatedThread = CreateEvent(NULL,TRUE,TRUE,NULL);
lvc;
pszHeader;
return TRUE;
}
//=============================================================================
//
// DirList_Destroy()
//
// Free memory used by dl structure
//
BOOL DirList_Destroy(HWND hwnd)
{
//LPMALLOC lpMalloc;
LPDLDATA lpdl = (LPVOID)GetProp(hwnd,pDirListProp);
// Release multithreading objects
DirList_TerminateIconThread(hwnd);
CloseHandle(lpdl->hExitThread);
CloseHandle(lpdl->hTerminatedThread);
//if (NOERROR == SHGetMalloc(&lpMalloc))
//{
if (lpdl->pidl)
g_lpMalloc->lpVtbl->Free(g_lpMalloc,lpdl->pidl);
//lpMalloc->lpVtbl->Release(lpMalloc);
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
//
BOOL DirList_StartIconThread(HWND hwnd)
{
DWORD dwtid;
LPDLDATA lpdl = (LPVOID)GetProp(hwnd,pDirListProp);
DirList_TerminateIconThread(hwnd);
ResetEvent(lpdl->hExitThread);
//ResetEvent(lpdl->hTerminatedThread);
CreateThread(NULL,0,DirList_IconThread,(LPVOID)lpdl,0,&dwtid);
return TRUE;
}
//=============================================================================
//
// DirList_TerminateIconThread()
//
// Terminate Icon Thread and reset multithreading control structures
//
BOOL DirList_TerminateIconThread(HWND hwnd)
{
LPDLDATA lpdl = (LPVOID)GetProp(hwnd,pDirListProp);
SetEvent(lpdl->hExitThread);
//WaitForSingleObject(lpdl->hTerminatedThread,INFINITE);
while (WaitForSingleObject(lpdl->hTerminatedThread,0) != WAIT_OBJECT_0)
{
MSG msg;
if (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
ResetEvent(lpdl->hExitThread);
SetEvent(lpdl->hTerminatedThread);
return TRUE;
}
//=============================================================================
//
// 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];
//LPMALLOC lpMalloc = NULL;
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 Shell's IMalloc Interface
//if (NOERROR == SHGetMalloc(&lpMalloc))
//{
// 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 = g_lpMalloc->lpVtbl->Alloc(
g_lpMalloc,
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++;
}
}
//lpMalloc->lpVtbl->Free(lpMalloc,pidlEntry);
} // IEnumIDList::Next()
lpe->lpVtbl->Release(lpe);
} // IShellFolder::EnumObjects()
} // IShellFolder::BindToObject()
} // IShellFolder::ParseDisplayName()
lpsfDesktop->lpVtbl->Release(lpsfDesktop);
} // SHGetDesktopFolder()
if (lpdl->pidl)
g_lpMalloc->lpVtbl->Free(g_lpMalloc,lpdl->pidl);
if (lpdl->lpsf && lpdl->lpsf->lpVtbl)
lpdl->lpsf->lpVtbl->Release(lpdl->lpsf);
//lpMalloc->lpVtbl->Release(lpMalloc);
//} // SHGetMalloc()
// 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));
}
//=============================================================================
//
// DirList_IconThread()
//
// Thread to extract file icons in the background
//
DWORD WINAPI DirList_IconThread(LPVOID lpParam)
{
HWND hwnd;
LPDLDATA lpdl;
LV_ITEM lvi;
LPLV_ITEMDATA lplvid;
LPMALLOC lpMalloc;
IShellIcon* lpshi;
int iItem = 0;
int iMaxItem;
lpdl = (LPDLDATA)lpParam;
ResetEvent(lpdl->hTerminatedThread);
// Exit immediately if DirList_Fill() hasn't been called
if (!lpdl->lpsf) {
SetEvent(lpdl->hTerminatedThread);
ExitThread(0);
return(0);
}
hwnd = lpdl->hwnd;
iMaxItem = ListView_GetItemCount(hwnd);
CoInitialize(NULL);
SHGetMalloc(&lpMalloc);
// Get IShellIcon
lpdl->lpsf->lpVtbl->QueryInterface(lpdl->lpsf,&IID_IShellIcon,&lpshi);
while (iItem < iMaxItem && WaitForSingleObject(lpdl->hExitThread,0) != WAIT_OBJECT_0) {
lvi.iItem = iItem;
lvi.mask = LVIF_PARAM;
if (ListView_GetItem(hwnd,&lvi)) {
SHFILEINFO shfi;
LPITEMIDLIST pidl;
DWORD dwAttributes = SFGAO_LINK | SFGAO_SHARE;
lplvid = (LPLV_ITEMDATA)lvi.lParam;
lvi.mask = LVIF_IMAGE;
if (!lpshi || NOERROR != lpshi->lpVtbl->GetIconOf(lpshi,lplvid->pidl,GIL_FORSHELL,&lvi.iImage))
{
pidl = IL_Create(lpMalloc,lpdl->pidl,lpdl->cbidl,lplvid->pidl,0);
SHGetFileInfo((LPCWSTR)pidl,0,&shfi,sizeof(SHFILEINFO),SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON);
lpMalloc->lpVtbl->Free(lpMalloc,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,&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);
lpMalloc->lpVtbl->Release(lpMalloc);
CoUninitialize();
SetEvent(lpdl->hTerminatedThread);
ExitThread(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)
{
LPDLDATA lpdl = (LPVOID)GetProp(hwnd,pDirListProp);
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);
// Image
//if (lpdi->item.mask & LVIF_IMAGE)
//{
// //LPMALLOC lpMalloc;
// SHFILEINFO shfi;
// LPITEMIDLIST pidl;
// DWORD dwAttributes = SFGAO_LINK | SFGAO_SHARE;
// //if (NOERROR == SHGetMalloc(&lpMalloc))
// //{
// // Generate Full Qualified pidl
// pidl = IL_Create(g_lpMalloc,lpdl->pidl,lpdl->cbidl,lplvid->pidl,0);
// SHGetFileInfo((LPCWSTR)pidl,0,&shfi,sizeof(SHFILEINFO),SHGFI_PIDL | SHGFI_SYSICONINDEX);
// lpdi->item.iImage = shfi.iIcon;
// g_lpMalloc->lpVtbl->Free(g_lpMalloc,pidl);
// //lpMalloc->lpVtbl->Release(lpMalloc);
// //}
// // It proved necessary to reset the state bits...
// lpdi->item.stateMask = 0;
// lpdi->item.state = 0;
// // Link and Share Overlay
// lplvid->lpsf->lpVtbl->GetAttributesOf(
// lplvid->lpsf,
// 1,&lplvid->pidl,
// &dwAttributes);
// if (dwAttributes & SFGAO_LINK)
// {
// lpdi->item.mask |= LVIF_STATE;
// lpdi->item.stateMask |= LVIS_OVERLAYMASK;
// lpdi->item.state |= INDEXTOOVERLAYMASK(2);
// }
// if (dwAttributes & SFGAO_SHARE)
// {
// lpdi->item.mask |= LVIF_STATE;
// lpdi->item.stateMask |= LVIS_OVERLAYMASK;
// lpdi->item.state |= INDEXTOOVERLAYMASK(1);
// }
// // Fade hidden/system files
// if (!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))
// {
// lpdi->item.mask |= LVIF_STATE;
// lpdi->item.stateMask |= LVIS_CUT;
// lpdi->item.state |= LVIS_CUT;
// }
// }
// }
//}
// 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)
{
LPDLDATA lpdl = (LPVOID)GetProp(hwnd,pDirListProp);
LV_ITEM lvi;
//LPMALLOC lpMalloc;
NM_LISTVIEW *lpnmlv = (LPVOID)lParam;
lvi.iItem = lpnmlv->iItem;
lvi.iSubItem = 0;
lvi.mask = LVIF_PARAM;
if (ListView_GetItem(hwnd,&lvi))
{
//if (NOERROR == SHGetMalloc(&lpMalloc))
//{
// Free mem
LPLV_ITEMDATA lplvid = (LPLV_ITEMDATA)lvi.lParam;
g_lpMalloc->lpVtbl->Free(g_lpMalloc,lplvid->pidl);
lplvid->lpsf->lpVtbl->Release(lplvid->lpsf);
g_lpMalloc->lpVtbl->Free(g_lpMalloc,lplvid);
//lpMalloc->lpVtbl->Release(lpMalloc);
return TRUE;
//}
}
else
return FALSE;
}
//=============================================================================
//
// DirList_CompareProc()
//
// Compares two list items
//
int CALLBACK DirList_CompareProcFw(LPARAM lp1,LPARAM lp2,LPARAM lFlags)
{
HRESULT hr;
int result;
LPLV_ITEMDATA lplvid1 = (LPLV_ITEMDATA)lp1;
LPLV_ITEMDATA lplvid2 = (LPLV_ITEMDATA)lp2;
hr = (lplvid1->lpsf->lpVtbl->CompareIDs(
lplvid1->lpsf,
lFlags,
lplvid1->pidl,
lplvid2->pidl));
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)
{
HRESULT hr;
int result;
LPLV_ITEMDATA lplvid1 = (LPLV_ITEMDATA)lp1;
LPLV_ITEMDATA lplvid2 = (LPLV_ITEMDATA)lp2;
hr = (lplvid1->lpsf->lpVtbl->CompareIDs(
lplvid1->lpsf,
lFlags,
lplvid1->pidl,
lplvid2->pidl));
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)
{
LPDLDATA lpdl = (LPVOID)GetProp(hwnd,pDirListProp);
if (fRev)
return ListView_SortItems(hwnd,DirList_CompareProcRw,lFlags);
else
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)
{
LV_ITEM lvi;
LPLV_ITEMDATA lplvid;
ULONG dwAttributes = SFGAO_FILESYSTEM;
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))
{
if (lpdli->mask & DLI_TYPE)
lpdli->ntype = DLE_NONE;
return(-1);
}
lplvid = (LPLV_ITEMDATA)lvi.lParam;
// Filename
if (lpdli->mask & DLI_FILENAME)
IL_GetDisplayName(lplvid->lpsf,lplvid->pidl,SHGDN_FORPARSING,
lpdli->szFileName,MAX_PATH);
// Displayname
if (lpdli->mask & DLI_DISPNAME)
IL_GetDisplayName(lplvid->lpsf,lplvid->pidl,SHGDN_INFOLDER,
lpdli->szDisplayName,MAX_PATH);
// 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;
/*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;
else
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
&lplvid->pidl, // pidl
&IID_IContextMenu,
NULL,
&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);
}
//=============================================================================
//
// DirList_DoDragDrop()
//
// Execute an OLE Drag & Drop Operation in response to LVN_BEGIN(R)DRAG