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![Charles Ambrye](/assets/img/avatar_default.png)
The return result of ParseNow was never checked, but contained useful information on what type of error may have occurred. If the error is an issue with the path not existing the explorer will now show an error message notifying the user of the problem instead of silently failing. Note: Shell32 does not properly return ERROR_INVALID_DRIVE when the drive path does not exist. For that reason, it is still possible to browse to a non-existent drive. However, once shell32 is patched this code will work properly, as it checks for both ERROR_INVALID_DRIVE and ERROR_FILE_NOT_FOUND.
616 lines
17 KiB
C++
616 lines
17 KiB
C++
/*
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* ReactOS Explorer
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*
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* Copyright 2009 Andrew Hill <ash77 at domain reactos.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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This class handles the combo box of the address band.
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*/
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#include "precomp.h"
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/*
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TODO:
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Add drag and drop of icon in edit box
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Handle change notifies to update appropriately
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*/
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CAddressEditBox::CAddressEditBox() :
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fCombobox(NULL, this, 1),
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fEditWindow(NULL, this, 1),
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fSite(NULL),
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pidlLastParsed(NULL)
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{
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}
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CAddressEditBox::~CAddressEditBox()
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{
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if (pidlLastParsed)
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ILFree(pidlLastParsed);
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::SetOwner(IUnknown *pOwner)
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{
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if (!pOwner)
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{
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CComPtr<IBrowserService> browserService;
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HRESULT hResult = IUnknown_QueryService(fSite, SID_SShellBrowser, IID_PPV_ARG(IBrowserService, &browserService));
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if (SUCCEEDED(hResult))
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AtlUnadvise(browserService, DIID_DWebBrowserEvents, fAdviseCookie);
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fSite = NULL;
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}
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// connect to browser connection point
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return 0;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::FileSysChange(long param8, long paramC)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::Refresh(long param8)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::Init(HWND comboboxEx, HWND editControl, long param14, IUnknown *param18)
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{
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CComPtr<IBrowserService> browserService;
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fCombobox.SubclassWindow(comboboxEx);
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fEditWindow.SubclassWindow(editControl);
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fSite = param18;
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hComboBoxEx = comboboxEx;
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SHAutoComplete(fEditWindow.m_hWnd, SHACF_FILESYSTEM | SHACF_URLALL | SHACF_USETAB);
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// take advice to watch events
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HRESULT hResult = IUnknown_QueryService(param18, SID_SShellBrowser, IID_PPV_ARG(IBrowserService, &browserService));
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if (SUCCEEDED(hResult))
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{
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hResult = AtlAdvise(browserService, static_cast<IDispatch *>(this), DIID_DWebBrowserEvents, &fAdviseCookie);
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}
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return hResult;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::SetCurrentDir(long paramC)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::ParseNow(long paramC)
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{
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ULONG eaten;
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ULONG attributes;
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HRESULT hr;
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HWND topLevelWindow;
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PIDLIST_ABSOLUTE pidlCurrent= NULL;
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PIDLIST_RELATIVE pidlRelative = NULL;
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CComPtr<IShellFolder> psfCurrent;
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CComPtr<IBrowserService> pbs;
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hr = IUnknown_QueryService(fSite, SID_SShellBrowser, IID_PPV_ARG(IBrowserService, &pbs));
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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hr = IUnknown_GetWindow(pbs, &topLevelWindow);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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/* Get the path to browse and expand it if needed */
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LPWSTR input;
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int inputLength = fCombobox.GetWindowTextLength() + 2;
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input = new WCHAR[inputLength];
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fCombobox.GetWindowText(input, inputLength);
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LPWSTR address;
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int addressLength = ExpandEnvironmentStrings(input, NULL, 0);
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if (addressLength <= 0)
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{
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address = input;
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}
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else
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{
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addressLength += 2;
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address = new WCHAR[addressLength];
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if (!ExpandEnvironmentStrings(input, address, addressLength))
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{
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delete[] address;
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address = input;
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}
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}
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/* Try to parse a relative path and if it fails, try to browse an absolute path */
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CComPtr<IShellFolder> psfDesktop;
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hr = SHGetDesktopFolder(&psfDesktop);
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if (FAILED_UNEXPECTEDLY(hr))
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goto cleanup;
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hr = pbs->GetPidl(&pidlCurrent);
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if (FAILED_UNEXPECTEDLY(hr))
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goto parseabsolute;
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hr = psfDesktop->BindToObject(pidlCurrent, NULL, IID_PPV_ARG(IShellFolder, &psfCurrent));
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if (FAILED_UNEXPECTEDLY(hr))
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goto parseabsolute;
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hr = psfCurrent->ParseDisplayName(topLevelWindow, NULL, address, &eaten, &pidlRelative, &attributes);
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if (SUCCEEDED(hr))
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{
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pidlLastParsed = ILCombine(pidlCurrent, pidlRelative);
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ILFree(pidlRelative);
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goto cleanup;
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}
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parseabsolute:
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/* We couldn't parse a relative path, attempt to parse an absolute path */
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hr = psfDesktop->ParseDisplayName(topLevelWindow, NULL, address, &eaten, &pidlLastParsed, &attributes);
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cleanup:
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if (pidlCurrent)
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ILFree(pidlCurrent);
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if (address != input)
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delete [] address;
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delete [] input;
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return hr;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::ShowFileNotFoundError(HRESULT hRet)
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{
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CComHeapPtr<WCHAR> input;
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int inputLength = fCombobox.GetWindowTextLength() + 2;
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input.Allocate(inputLength);
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fCombobox.GetWindowText(input, inputLength);
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ShellMessageBoxW(_AtlBaseModule.GetResourceInstance(), fCombobox.m_hWnd, MAKEINTRESOURCEW(IDS_PARSE_ADDR_ERR_TEXT), MAKEINTRESOURCEW(IDS_PARSE_ADDR_ERR_TITLE), MB_OK | MB_ICONERROR, input.m_pData);
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return hRet;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::Execute(long paramC)
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{
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HRESULT hr;
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/*
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* Parse the path is it wasn't parsed
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*/
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if (!pidlLastParsed)
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hr = ParseNow(0);
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/*
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* If the destination path doesn't exist then display an error message
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*/
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if (hr == HRESULT_FROM_WIN32(ERROR_INVALID_DRIVE) || hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND))
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return ShowFileNotFoundError(hr);
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if (!pidlLastParsed)
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return E_FAIL;
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/*
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* Get the IShellBrowser and IBrowserService interfaces of the shell browser
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*/
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CComPtr<IShellBrowser> pisb;
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hr = IUnknown_QueryService(fSite, SID_SShellBrowser, IID_PPV_ARG(IShellBrowser, &pisb));
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if (FAILED(hr))
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return hr;
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CComPtr<IBrowserService> pbs;
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pisb->QueryInterface(IID_PPV_ARG(IBrowserService, &pbs));
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if (FAILED(hr))
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return hr;
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/*
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* Get the current pidl of the shellbrowser and check if it is the same with the parsed one
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*/
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PIDLIST_ABSOLUTE pidl;
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hr = pbs->GetPidl(&pidl);
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if (FAILED(hr))
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return hr;
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CComPtr<IShellFolder> psf;
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hr = SHGetDesktopFolder(&psf);
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if (FAILED(hr))
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return hr;
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hr = psf->CompareIDs(0, pidl, pidlLastParsed);
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SHFree(pidl);
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if (hr == 0)
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return S_OK;
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/*
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* Attempt to browse to the parsed pidl
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*/
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hr = pisb->BrowseObject(pidlLastParsed, 0);
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if (SUCCEEDED(hr))
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return hr;
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/*
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* Browsing to the pidl failed so it's not a folder. So invoke its defaule command.
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*/
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HWND topLevelWindow;
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hr = IUnknown_GetWindow(pisb, &topLevelWindow);
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if (FAILED(hr))
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return hr;
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LPCITEMIDLIST pidlChild;
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CComPtr<IShellFolder> sf;
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hr = SHBindToParent(pidlLastParsed, IID_PPV_ARG(IShellFolder, &sf), &pidlChild);
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if (FAILED(hr))
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return hr;
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hr = SHInvokeDefaultCommand(topLevelWindow, sf, pidlChild);
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if (FAILED(hr))
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return hr;
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return hr;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::Save(long paramC)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::OnWinEvent(
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HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *theResult)
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{
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LPNMHDR hdr;
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if (theResult)
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*theResult = 0;
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switch (uMsg)
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{
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case WM_COMMAND:
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{
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if (HIWORD(wParam) == CBN_SELCHANGE)
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{
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UINT selectedIndex = SendMessageW((HWND)lParam, CB_GETCURSEL, 0, 0);
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pidlLastParsed = ILClone((LPITEMIDLIST)SendMessageW((HWND)lParam, CB_GETITEMDATA, selectedIndex, 0));
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Execute(0);
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}
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break;
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}
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case WM_NOTIFY:
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{
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hdr = (LPNMHDR) lParam;
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if (hdr->code == CBEN_ENDEDIT)
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{
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NMCBEENDEDITW *endEdit = (NMCBEENDEDITW*) lParam;
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if (endEdit->iWhy == CBENF_RETURN)
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{
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Execute(0);
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}
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else if (endEdit->iWhy == CBENF_ESCAPE)
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{
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/* Reset the contents of the combo box */
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}
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}
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else if (hdr->code == CBEN_DELETEITEM)
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{
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PNMCOMBOBOXEX pCBEx = (PNMCOMBOBOXEX) lParam;
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LPITEMIDLIST itemPidl = (LPITEMIDLIST)pCBEx->ceItem.lParam;
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if (itemPidl)
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{
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ILFree(itemPidl);
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}
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}
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break;
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}
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}
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::IsWindowOwner(HWND hWnd)
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{
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if (fCombobox.m_hWnd == hWnd)
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return S_OK;
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if (fEditWindow.m_hWnd == hWnd)
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return S_OK;
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return S_FALSE;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::QueryStatus(
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const GUID *pguidCmdGroup, ULONG cCmds, OLECMD prgCmds[ ], OLECMDTEXT *pCmdText)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::Exec(const GUID *pguidCmdGroup, DWORD nCmdID,
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DWORD nCmdexecopt, VARIANT *pvaIn, VARIANT *pvaOut)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::GetTypeInfoCount(UINT *pctinfo)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::GetTypeInfo(UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::GetIDsOfNames(
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REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid,
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WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
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{
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CComPtr<IBrowserService> isb;
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CComPtr<IShellFolder> sf;
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HRESULT hr;
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PIDLIST_ABSOLUTE absolutePIDL;
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LPCITEMIDLIST pidlChild;
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STRRET ret;
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WCHAR buf[4096];
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if (pDispParams == NULL)
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return E_INVALIDARG;
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switch (dispIdMember)
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{
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case DISPID_NAVIGATECOMPLETE2:
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case DISPID_DOCUMENTCOMPLETE:
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if (pidlLastParsed)
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ILFree(pidlLastParsed);
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pidlLastParsed = NULL;
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/* Get the current pidl of the browser */
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hr = IUnknown_QueryService(fSite, SID_STopLevelBrowser, IID_PPV_ARG(IBrowserService, &isb));
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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hr = isb->GetPidl(&absolutePIDL);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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/* Fill the combobox */
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PopulateComboBox(absolutePIDL);
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/* Find the current item in the combobox and select it */
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CComPtr<IShellFolder> psfDesktop;
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hr = SHGetDesktopFolder(&psfDesktop);
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if (FAILED_UNEXPECTEDLY(hr))
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return S_OK;
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hr = psfDesktop->GetDisplayNameOf(absolutePIDL, SHGDN_FORADDRESSBAR, &ret);
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if (FAILED_UNEXPECTEDLY(hr))
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return S_OK;
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hr = StrRetToBufW(&ret, absolutePIDL, buf, 4095);
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if (FAILED_UNEXPECTEDLY(hr))
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return S_OK;
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int index = SendMessageW(hComboBoxEx, CB_FINDSTRINGEXACT, 0, (LPARAM)buf);
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if (index != -1)
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SendMessageW(hComboBoxEx, CB_SETCURSEL, index, 0);
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/* Add the item that will be visible when the combobox is not expanded */
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hr = SHBindToParent(absolutePIDL, IID_PPV_ARG(IShellFolder, &sf), &pidlChild);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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hr = sf->GetDisplayNameOf(pidlChild, SHGDN_FORADDRESSBAR | SHGDN_FORPARSING, &ret);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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hr = StrRetToBufW(&ret, pidlChild, buf, 4095);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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INT indexClosed, indexOpen;
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indexClosed = SHMapPIDLToSystemImageListIndex(sf, pidlChild, &indexOpen);
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COMBOBOXEXITEMW item = {0};
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item.mask = CBEIF_IMAGE | CBEIF_SELECTEDIMAGE | CBEIF_TEXT | CBEIF_LPARAM;
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item.iItem = -1;
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item.iImage = indexClosed;
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item.iSelectedImage = indexOpen;
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item.pszText = buf;
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item.lParam = reinterpret_cast<LPARAM>(absolutePIDL);
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fCombobox.SendMessage(CBEM_SETITEM, 0, reinterpret_cast<LPARAM>(&item));
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}
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::GetClassID(CLSID *pClassID)
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{
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if (pClassID == NULL)
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return E_POINTER;
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*pClassID = CLSID_AddressEditBox;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::IsDirty()
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::Load(IStream *pStm)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::Save(IStream *pStm, BOOL fClearDirty)
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{
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CAddressEditBox::GetSizeMax(ULARGE_INTEGER *pcbSize)
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{
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return E_NOTIMPL;
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}
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void CAddressEditBox::PopulateComboBox(LPITEMIDLIST pidlCurrent)
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{
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HRESULT hr;
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LPITEMIDLIST pidl;
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int indent = 0;
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int index;
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index = SendMessageW(hComboBoxEx, CB_GETCOUNT, 0, 0);
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for (int i = 0; i < index; i++)
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SendMessageW(hComboBoxEx, CBEM_DELETEITEM, i, 0);
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SendMessageW(hComboBoxEx, CB_RESETCONTENT, 0, 0);
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/* Calculate the indent level. No need to clone the pidl */
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pidl = pidlCurrent;
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do
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{
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if(!pidl->mkid.cb)
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break;
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pidl = ILGetNext(pidl);
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indent++;
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} while (pidl);
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index = indent;
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/* Add every id from the pidl in the combo box */
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pidl = ILClone(pidlCurrent);
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do
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{
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AddComboBoxItem(pidl, 0, index);
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ILRemoveLastID(pidl);
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index--;
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} while (index >= 0);
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ILFree(pidl);
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/* Add the items of the desktop */
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FillOneLevel(0, 1, indent);
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/* Add the items of My Computer */
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hr = SHGetSpecialFolderLocation(0, CSIDL_DRIVES, &pidl);
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if (FAILED_UNEXPECTEDLY(hr))
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return;
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for(LPITEMIDLIST i = GetItemData(0); i; i = GetItemData(index))
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{
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if (ILIsEqual(i, pidl))
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{
|
|
FillOneLevel(index, 2, indent);
|
|
break;
|
|
}
|
|
index++;
|
|
}
|
|
ILFree(pidl);
|
|
}
|
|
|
|
void CAddressEditBox::AddComboBoxItem(LPITEMIDLIST pidl, int index, int indent)
|
|
{
|
|
HRESULT hr;
|
|
WCHAR buf[4096];
|
|
|
|
LPCITEMIDLIST pidlChild;
|
|
CComPtr<IShellFolder> sf;
|
|
hr = SHBindToParent(pidl, IID_PPV_ARG(IShellFolder, &sf), &pidlChild);
|
|
if (FAILED_UNEXPECTEDLY(hr))
|
|
return;
|
|
|
|
STRRET strret;
|
|
hr = sf->GetDisplayNameOf(pidlChild, SHGDN_FORADDRESSBAR, &strret);
|
|
if (FAILED_UNEXPECTEDLY(hr))
|
|
return;
|
|
|
|
hr = StrRetToBufW(&strret, pidlChild, buf, 4095);
|
|
if (FAILED_UNEXPECTEDLY(hr))
|
|
return;
|
|
|
|
COMBOBOXEXITEMW item = {0};
|
|
item.mask = CBEIF_LPARAM | CBEIF_INDENT | CBEIF_SELECTEDIMAGE | CBEIF_IMAGE | CBEIF_TEXT;
|
|
item.iImage = SHMapPIDLToSystemImageListIndex(sf, pidlChild, &item.iSelectedImage);
|
|
item.pszText = buf;
|
|
item.lParam = (LPARAM)(ILClone(pidl));
|
|
item.iIndent = indent;
|
|
item.iItem = index;
|
|
SendMessageW(hComboBoxEx, CBEM_INSERTITEMW, 0, (LPARAM)&item);
|
|
}
|
|
|
|
void CAddressEditBox::FillOneLevel(int index, int levelIndent, int indent)
|
|
{
|
|
HRESULT hr;
|
|
ULONG numObj;
|
|
int count;
|
|
LPITEMIDLIST pidl, pidl2, pidl3, pidl4;
|
|
|
|
count = index + 1;
|
|
pidl = GetItemData(index);
|
|
pidl2 = GetItemData(count);
|
|
if(pidl)
|
|
{
|
|
CComPtr<IShellFolder> psfDesktop;
|
|
CComPtr<IShellFolder> psfItem;
|
|
|
|
hr = SHGetDesktopFolder(&psfDesktop);
|
|
if (FAILED_UNEXPECTEDLY(hr))
|
|
return;
|
|
|
|
if (!pidl->mkid.cb)
|
|
{
|
|
psfItem = psfDesktop;
|
|
}
|
|
else
|
|
{
|
|
hr = psfDesktop->BindToObject(pidl, NULL, IID_PPV_ARG(IShellFolder, &psfItem));
|
|
if (FAILED_UNEXPECTEDLY(hr))
|
|
return;
|
|
}
|
|
|
|
CComPtr<IEnumIDList> pEnumIDList;
|
|
hr = psfItem->EnumObjects(0, SHCONTF_FOLDERS | SHCONTF_INCLUDEHIDDEN, &pEnumIDList);
|
|
if (FAILED_UNEXPECTEDLY(hr))
|
|
return;
|
|
|
|
do
|
|
{
|
|
hr = pEnumIDList->Next(1, &pidl3, &numObj);
|
|
if(hr != S_OK || !numObj)
|
|
break;
|
|
|
|
pidl4 = ILCombine(pidl, pidl3);
|
|
if (pidl2 && ILIsEqual(pidl4, pidl2))
|
|
count += (indent - levelIndent);
|
|
else
|
|
AddComboBoxItem(pidl4, count, levelIndent);
|
|
count++;
|
|
ILFree(pidl3);
|
|
ILFree(pidl4);
|
|
} while (true);
|
|
}
|
|
}
|
|
|
|
LPITEMIDLIST CAddressEditBox::GetItemData(int index)
|
|
{
|
|
COMBOBOXEXITEMW item;
|
|
|
|
memset(&item, 0, sizeof(COMBOBOXEXITEMW));
|
|
item.mask = CBEIF_LPARAM;
|
|
item.iItem = index;
|
|
SendMessageW(hComboBoxEx, CBEM_GETITEMW, 0, (LPARAM)&item);
|
|
return (LPITEMIDLIST)item.lParam;
|
|
}
|