--- /dev/null
+/*
+ * Copyright 2003 Martin Fuchs
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+ //
+ // Explorer clone
+ //
+ // shellfs.cpp
+ //
+ // Martin Fuchs, 23.07.2003
+ //
+
+
+#include "../utility/utility.h"
+#include "../utility/shellclasses.h"
+
+#include "../globals.h"
+
+#include "entries.h"
+#include "shellfs.h"
+
+
+bool ShellDirectory::fill_w32fdata_shell(LPCITEMIDLIST pidl, SFGAOF attribs, WIN32_FIND_DATA* pw32fdata, BY_HANDLE_FILE_INFORMATION* pbhfi)
+{
+ bool bhfi_valid = false;
+
+ if (!( (attribs & SFGAO_FILESYSTEM) && SUCCEEDED(
+ SHGetDataFromIDList(_folder, pidl, SHGDFIL_FINDDATA, pw32fdata, sizeof(WIN32_FIND_DATA))) )) {
+ WIN32_FILE_ATTRIBUTE_DATA fad;
+ IDataObject* pDataObj;
+
+ STGMEDIUM medium = {0, {0}, 0};
+ FORMATETC fmt = {g_Globals._cfStrFName, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
+
+ HRESULT hr = _folder->GetUIObjectOf(0, 1, &pidl, IID_IDataObject, 0, (LPVOID*)&pDataObj);
+
+ if (SUCCEEDED(hr)) {
+ hr = pDataObj->GetData(&fmt, &medium);
+
+ pDataObj->Release();
+
+ if (SUCCEEDED(hr)) {
+ LPCTSTR path = (LPCTSTR)GlobalLock(medium.UNION_MEMBER(hGlobal));
+ UINT sem_org = SetErrorMode(SEM_FAILCRITICALERRORS);
+
+ if (GetFileAttributesEx(path, GetFileExInfoStandard, &fad)) {
+ pw32fdata->dwFileAttributes = fad.dwFileAttributes;
+ pw32fdata->ftCreationTime = fad.ftCreationTime;
+ pw32fdata->ftLastAccessTime = fad.ftLastAccessTime;
+ pw32fdata->ftLastWriteTime = fad.ftLastWriteTime;
+
+ if (!(fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
+ pw32fdata->nFileSizeLow = fad.nFileSizeLow;
+ pw32fdata->nFileSizeHigh = fad.nFileSizeHigh;
+ }
+ }
+
+ HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
+ 0, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0);
+
+ if (hFile != INVALID_HANDLE_VALUE) {
+ if (GetFileInformationByHandle(hFile, pbhfi))
+ bhfi_valid = true;
+
+ CloseHandle(hFile);
+ }
+
+ SetErrorMode(sem_org);
+
+ GlobalUnlock(medium.UNION_MEMBER(hGlobal));
+ GlobalFree(medium.UNION_MEMBER(hGlobal));
+ }
+ }
+ }
+
+ if (!(attribs & SFGAO_FILESYSTEM)) // Archiv files should not be displayed as folders in explorer view.
+ if (attribs & (SFGAO_FOLDER|SFGAO_HASSUBFOLDER))
+ pw32fdata->dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY;
+
+ if (attribs & SFGAO_READONLY)
+ pw32fdata->dwFileAttributes |= FILE_ATTRIBUTE_READONLY;
+
+ if (attribs & SFGAO_COMPRESSED)
+ pw32fdata->dwFileAttributes |= FILE_ATTRIBUTE_COMPRESSED;
+
+ return bhfi_valid;
+}
+
+
+LPITEMIDLIST ShellEntry::create_absolute_pidl(HWND hwnd)
+{
+ if (_up/* && _up->_etype==ET_SHELL*/) {
+ ShellDirectory* dir = static_cast<ShellDirectory*>(_up);
+
+ return _pidl.create_absolute_pidl(dir->_pidl, hwnd);
+ }
+
+ return &*_pidl;
+}
+
+
+ // get full path of a shell entry
+void ShellEntry::get_path(PTSTR path) const
+{
+ path[0] = TEXT('\0');
+
+ HRESULT hr = path_from_pidl(get_parent_folder(), &*_pidl, path, MAX_PATH);
+}
+
+
+ // get full path of a shell folder
+void ShellDirectory::get_path(PTSTR path) const
+{
+ path[0] = TEXT('\0');
+
+ SFGAOF attribs = 0;
+ HRESULT hr = S_OK;
+
+ if (!_folder.empty())
+ hr = const_cast<ShellFolder&>(_folder)->GetAttributesOf(1, (LPCITEMIDLIST*)&_pidl, &attribs);
+
+ if (SUCCEEDED(hr) && (attribs&SFGAO_FILESYSTEM))
+ hr = path_from_pidl(get_parent_folder(), &*_pidl, path, MAX_PATH);
+}
+
+
+BOOL ShellEntry::launch_entry(HWND hwnd, UINT nCmdShow)
+{
+ BOOL ret = TRUE;
+
+ SHELLEXECUTEINFO shexinfo;
+
+ shexinfo.cbSize = sizeof(SHELLEXECUTEINFO);
+ shexinfo.fMask = SEE_MASK_INVOKEIDLIST; // SEE_MASK_IDLIST is also possible.
+ shexinfo.hwnd = hwnd;
+ shexinfo.lpVerb = NULL;
+ shexinfo.lpFile = NULL;
+ shexinfo.lpParameters = NULL;
+ shexinfo.lpDirectory = NULL;
+ shexinfo.nShow = nCmdShow;
+ shexinfo.lpIDList = create_absolute_pidl(hwnd);
+
+ if (!ShellExecuteEx(&shexinfo)) {
+ display_error(hwnd, GetLastError());
+ ret = FALSE;
+ }
+
+ if (shexinfo.lpIDList != &*_pidl)
+ ShellMalloc()->Free(shexinfo.lpIDList);
+
+ return ret;
+}
+
+
+static HICON extract_icon(IShellFolder* folder, LPCITEMIDLIST pidl)
+{
+ IExtractIcon* pExtract;
+
+ if (SUCCEEDED(folder->GetUIObjectOf(0, 1, (LPCITEMIDLIST*)&pidl, IID_IExtractIcon, 0, (LPVOID*)&pExtract))) {
+ TCHAR path[_MAX_PATH];
+ unsigned flags;
+ HICON hIcon;
+ int idx;
+
+ if (SUCCEEDED(pExtract->GetIconLocation(GIL_FORSHELL, path, _MAX_PATH, &idx, &flags))) {
+ if (!(flags & GIL_NOTFILENAME)) {
+ if (idx == -1)
+ idx = 0; // special case for some control panel applications
+
+ if ((int)ExtractIconEx(path, idx, 0, &hIcon, 1) > 0)
+ flags &= ~GIL_DONTCACHE;
+ } else {
+ HICON hIconLarge = 0;
+
+ HRESULT hr = pExtract->Extract(path, idx, &hIconLarge, &hIcon, MAKELONG(0/*GetSystemMetrics(SM_CXICON)*/,GetSystemMetrics(SM_CXSMICON)));
+
+ if (SUCCEEDED(hr))
+ DestroyIcon(hIconLarge);
+ }
+
+ return hIcon;
+ }
+ }
+
+ return 0;
+}
+
+
+void ShellDirectory::read_directory()
+{
+ int level = _level + 1;
+
+ Entry* first_entry = NULL;
+ Entry* last = NULL;
+
+ /*if (_folder.empty())
+ return;*/
+
+ ShellItemEnumerator enumerator(_folder, SHCONTF_FOLDERS|SHCONTF_NONFOLDERS|SHCONTF_INCLUDEHIDDEN|SHCONTF_SHAREABLE|SHCONTF_STORAGE);
+
+ HRESULT hr_next = S_OK;
+
+ do {
+#define FETCH_ITEM_COUNT 32
+ LPITEMIDLIST pidls[FETCH_ITEM_COUNT];
+ ULONG cnt = 0;
+ ULONG n;
+
+ memset(pidls, 0, sizeof(pidls));
+
+ hr_next = enumerator->Next(FETCH_ITEM_COUNT, pidls, &cnt);
+
+ /* don't break yet now: Registry Explorer Plugin returns E_FAIL!
+ if (!SUCCEEDED(hr_next))
+ break; */
+
+ if (hr_next == S_FALSE)
+ break;
+
+ for(n=0; n<cnt; ++n) {
+ WIN32_FIND_DATA w32fd;
+ BY_HANDLE_FILE_INFORMATION bhfi;
+ bool bhfi_valid = false;
+
+ memset(&w32fd, 0, sizeof(WIN32_FIND_DATA));
+
+ SFGAOF attribs = ~SFGAO_FILESYSTEM; //SFGAO_HASSUBFOLDER|SFGAO_FOLDER; SFGAO_FILESYSTEM sorgt dafür, daß "My Documents" anstatt von "Martin's Documents" angezeigt wird
+ HRESULT hr = _folder->GetAttributesOf(1, (LPCITEMIDLIST*)&pidls[n], &attribs);
+
+ if (SUCCEEDED(hr)) {
+ if (attribs != ~SFGAO_FILESYSTEM)
+ bhfi_valid = fill_w32fdata_shell(pidls[n], attribs, &w32fd, &bhfi);
+ else
+ attribs = 0;
+ } else
+ attribs = 0;
+
+ Entry* entry;
+
+ if (w32fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+ entry = new ShellDirectory(this, pidls[n], _hwnd);
+ else
+ entry = new ShellEntry(this, pidls[n]);
+
+ if (!first_entry)
+ first_entry = entry;
+
+ if (last)
+ last->_next = entry;
+
+ memcpy(&entry->_data, &w32fd, sizeof(WIN32_FIND_DATA));
+
+ if (bhfi_valid)
+ memcpy(&entry->_bhfi, &bhfi, sizeof(BY_HANDLE_FILE_INFORMATION));
+
+ if (!entry->_data.cFileName[0])
+ /*hr = */name_from_pidl(_folder, pidls[n], entry->_data.cFileName, MAX_PATH, SHGDN_INFOLDER|0x2000/*0x2000=SHGDN_INCLUDE_NONFILESYS*/);
+
+ // get display icons for files and virtual objects
+ if (!(entry->_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
+ !(attribs & SFGAO_FILESYSTEM)) {
+ entry->_hIcon = extract_icon(_folder, pidls[n]);
+
+ if (!entry->_hIcon)
+ entry->_hIcon = (HICON)-1; // don't try again later
+ }
+
+ entry->_down = NULL;
+ entry->_expanded = false;
+ entry->_scanned = false;
+ entry->_level = level;
+ entry->_shell_attribs = attribs;
+ entry->_bhfi_valid = bhfi_valid;
+
+ last = entry;
+ }
+ } while(SUCCEEDED(hr_next));
+
+ if (last)
+ last->_next = NULL;
+
+ _down = first_entry;
+ _scanned = true;
+}
+
+const void* ShellDirectory::get_next_path_component(const void* p)
+{
+ LPITEMIDLIST pidl = (LPITEMIDLIST)p;
+
+ if (!pidl || !pidl->mkid.cb)
+ return NULL;
+
+ // go to next element
+ pidl = (LPITEMIDLIST)((LPBYTE)pidl+pidl->mkid.cb);
+
+ return pidl;
+}
+
+Entry* ShellDirectory::find_entry(const void* p)
+{
+ LPITEMIDLIST pidl = (LPITEMIDLIST) p;
+
+ for(Entry*entry=_down; entry; entry=entry->_next) {
+ ShellEntry* e = static_cast<ShellEntry*>(entry);
+
+ if (e->_pidl && e->_pidl->mkid.cb==pidl->mkid.cb && !memcmp(e->_pidl, pidl, e->_pidl->mkid.cb))
+ return entry;
+ }
+
+ return NULL;
+}