Initial import from the monolithic Qt.

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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 825 insertions, 0 deletions

diff --git a/src/gui/dialogs/qfiledialog_win.cpp b/src/gui/dialogs/qfiledialog_win.cpp
new file mode 100644
index 0000000000..114f4bedbc
--- /dev/null
+++ b/src/gui/dialogs/qfiledialog_win.cpp
@@ -0,0 +1,825 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfiledialog.h"
+
+#ifndef QT_NO_FILEDIALOG
+
+#include <private/qfiledialog_p.h>
+#include <qapplication.h>
+#include <private/qapplication_p.h>
+#include <qt_windows.h>
+#include <qglobal.h>
+#include <qregexp.h>
+#include <qbuffer.h>
+#include <qdir.h>
+#include <qstringlist.h>
+#include <private/qsystemlibrary_p.h>
+#include "qfiledialog_win_p.h"
+
+#ifndef QT_NO_THREAD
+#  include <private/qmutexpool_p.h>
+#endif
+
+#ifdef Q_WS_WINCE
+#include <commdlg.h>
+bool qt_priv_ptr_valid = false;
+#else
+//we have to declare them here because they're not present for all SDK/compilers
+static const IID   QT_IID_IFileOpenDialog  = {0xd57c7288, 0xd4ad, 0x4768, {0xbe, 0x02, 0x9d, 0x96, 0x95, 0x32, 0xd9, 0x60} };
+static const IID   QT_IID_IShellItem       = {0x43826d1e, 0xe718, 0x42ee, {0xbc, 0x55, 0xa1, 0xe2, 0x61, 0xc3, 0x7b, 0xfe} };
+static const CLSID QT_CLSID_FileOpenDialog = {0xdc1c5a9c, 0xe88a, 0x4dde, {0xa5, 0xa1, 0x60, 0xf8, 0x2a, 0x20, 0xae, 0xf7} };
+#endif
+
+
+typedef qt_LPITEMIDLIST (WINAPI *PtrSHBrowseForFolder)(qt_BROWSEINFO*);
+static PtrSHBrowseForFolder ptrSHBrowseForFolder = 0;
+typedef BOOL (WINAPI *PtrSHGetPathFromIDList)(qt_LPITEMIDLIST, LPWSTR);
+static PtrSHGetPathFromIDList ptrSHGetPathFromIDList = 0;
+typedef HRESULT (WINAPI *PtrSHGetMalloc)(LPMALLOC *);
+static PtrSHGetMalloc ptrSHGetMalloc = 0;
+
+
+QT_BEGIN_NAMESPACE
+
+static void qt_win_resolve_libs()
+{
+    static bool triedResolve = false;
+
+    if (!triedResolve) {
+#ifndef QT_NO_THREAD
+        // protect initialization
+        QMutexLocker locker(QMutexPool::globalInstanceGet(&triedResolve));
+        // check triedResolve again, since another thread may have already
+        // done the initialization
+        if (triedResolve) {
+            // another thread did initialize the security function pointers,
+            // so we shouldn't do it again.
+            return;
+        }
+#endif
+
+        triedResolve = true;
+#if !defined(Q_WS_WINCE)
+        QSystemLibrary lib(L"shell32");
+        ptrSHBrowseForFolder = (PtrSHBrowseForFolder)lib.resolve("SHBrowseForFolderW");
+        ptrSHGetPathFromIDList = (PtrSHGetPathFromIDList)lib.resolve("SHGetPathFromIDListW");
+        ptrSHGetMalloc = (PtrSHGetMalloc)lib.resolve("SHGetMalloc");
+#else
+        // CE stores them in a different lib and does not use unicode version
+        HINSTANCE handle = LoadLibrary(L"Ceshell");
+        ptrSHBrowseForFolder = (PtrSHBrowseForFolder)GetProcAddress(handle, L"SHBrowseForFolder");
+        ptrSHGetPathFromIDList = (PtrSHGetPathFromIDList)GetProcAddress(handle, L"SHGetPathFromIDList");
+        ptrSHGetMalloc = (PtrSHGetMalloc)GetProcAddress(handle, L"SHGetMalloc");
+        if (ptrSHBrowseForFolder && ptrSHGetPathFromIDList && ptrSHGetMalloc)
+            qt_priv_ptr_valid = true;
+#endif
+    }
+}
+
+extern const char* qt_file_dialog_filter_reg_exp; // defined in qfiledialog.cpp
+extern QStringList qt_make_filter_list(const QString &filter);
+
+const int maxNameLen = 1023;
+const int maxMultiLen = 65535;
+
+// Returns the wildcard part of a filter.
+static QString qt_win_extract_filter(const QString &rawFilter)
+{
+    QString result = rawFilter;
+    QRegExp r(QString::fromLatin1(qt_file_dialog_filter_reg_exp));
+    int index = r.indexIn(result);
+    if (index >= 0)
+        result = r.cap(2);
+    QStringList list = result.split(QLatin1Char(' '));
+    for(QStringList::iterator it = list.begin(); it < list.end(); ++it) {
+        if (*it == QLatin1String("*")) {
+            *it = QLatin1String("*.*");
+            break;
+        }
+    }
+    return list.join(QLatin1String(";"));
+}
+
+static QStringList qt_win_make_filters_list(const QString &filter)
+{
+    QString f(filter);
+
+    if (f.isEmpty())
+        f = QFileDialog::tr("All Files (*.*)");
+
+    return qt_make_filter_list(f);
+}
+
+// Makes a NUL-oriented Windows filter from a Qt filter.
+static QString qt_win_filter(const QString &filter, bool hideFiltersDetails)
+{
+    QStringList filterLst = qt_win_make_filters_list(filter);
+    QStringList::Iterator it = filterLst.begin();
+    QString winfilters;
+    QRegExp r(QString::fromLatin1(qt_file_dialog_filter_reg_exp));
+    for (; it != filterLst.end(); ++it) {
+        QString subfilter = *it;
+        if (!subfilter.isEmpty()) {
+            if (hideFiltersDetails) {
+                int index = r.indexIn(subfilter);
+                if (index >= 0)
+                    winfilters += r.cap(1);
+            } else {
+                winfilters += subfilter;
+            }
+            winfilters += QChar();
+            winfilters += qt_win_extract_filter(subfilter);
+            winfilters += QChar();
+        }
+    }
+    winfilters += QChar();
+    return winfilters;
+}
+
+static QString qt_win_selected_filter(const QString &filter, DWORD idx)
+{
+    return qt_win_make_filters_list(filter).at((int)idx - 1);
+}
+
+static QString tFilters, tTitle, tInitDir;
+
+static OPENFILENAME* qt_win_make_OFN(QWidget *parent,
+                                     const QString& initialSelection,
+                                     const QString& initialDirectory,
+                                     const QString& title,
+                                     const QString& filters,
+                                     QFileDialog::FileMode mode,
+                                     QFileDialog::Options options)
+{
+    if (parent)
+        parent = parent->window();
+    else
+        parent = QApplication::activeWindow();
+
+    tInitDir = QDir::toNativeSeparators(initialDirectory);
+    tFilters = filters;
+    tTitle = title;
+    QString initSel = QDir::toNativeSeparators(initialSelection);
+    if (!initSel.isEmpty()) {
+        initSel.remove(QLatin1Char('<'));
+        initSel.remove(QLatin1Char('>'));
+        initSel.remove(QLatin1Char('\"'));
+        initSel.remove(QLatin1Char('|'));
+    }
+
+    int maxLen = mode == QFileDialog::ExistingFiles ? maxMultiLen : maxNameLen;
+    wchar_t *tInitSel = new wchar_t[maxLen + 1];
+    if (initSel.length() > 0 && initSel.length() <= maxLen)
+        memcpy(tInitSel, initSel.utf16(), (initSel.length()+1)*sizeof(QChar));
+    else
+        tInitSel[0] = 0;
+
+    OPENFILENAME* ofn = new OPENFILENAME;
+    memset(ofn, 0, sizeof(OPENFILENAME));
+
+    ofn->lStructSize = sizeof(OPENFILENAME);
+    ofn->hwndOwner = parent ? parent->winId() : 0;
+    ofn->lpstrFilter = (wchar_t*)tFilters.utf16();
+    ofn->lpstrFile = tInitSel;
+    ofn->nMaxFile = maxLen;
+    ofn->lpstrInitialDir = (wchar_t*)tInitDir.utf16();
+    ofn->lpstrTitle = (wchar_t*)tTitle.utf16();
+    ofn->Flags = (OFN_NOCHANGEDIR | OFN_HIDEREADONLY | OFN_EXPLORER | OFN_PATHMUSTEXIST);
+    if (mode == QFileDialog::ExistingFile ||
+         mode == QFileDialog::ExistingFiles)
+        ofn->Flags |= (OFN_FILEMUSTEXIST);
+    if (mode == QFileDialog::ExistingFiles)
+        ofn->Flags |= (OFN_ALLOWMULTISELECT);
+    if (!(options & QFileDialog::DontConfirmOverwrite))
+        ofn->Flags |= OFN_OVERWRITEPROMPT;
+
+    return ofn;
+}
+
+static void qt_win_clean_up_OFN(OPENFILENAME **ofn)
+{
+    delete [] (*ofn)->lpstrFile;
+    delete *ofn;
+    *ofn = 0;
+}
+
+extern void qt_win_eatMouseMove();
+
+QString qt_win_get_open_file_name(const QFileDialogArgs &args,
+                                  QString *initialDirectory,
+                                  QString *selectedFilter)
+{
+    QString result;
+
+    QString isel = args.selection;
+
+    if (initialDirectory && initialDirectory->left(5) == QLatin1String("file:"))
+        initialDirectory->remove(0, 5);
+    QFileInfo fi(*initialDirectory);
+
+    if (initialDirectory && !fi.isDir()) {
+        *initialDirectory = fi.absolutePath();
+        if (isel.isEmpty())
+            isel = fi.fileName();
+    }
+
+    if (!fi.exists())
+        *initialDirectory = QDir::homePath();
+
+    DWORD selFilIdx = 0;
+
+    int idx = 0;
+    if (selectedFilter) {
+        QStringList filterLst = qt_win_make_filters_list(args.filter);
+        idx = filterLst.indexOf(*selectedFilter);
+    }
+
+    QDialog modal_widget;
+    modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
+    modal_widget.setParent(args.parent, Qt::Window);
+    QApplicationPrivate::enterModal(&modal_widget);
+
+    bool hideFiltersDetails = args.options & QFileDialog::HideNameFilterDetails;
+    OPENFILENAME* ofn = qt_win_make_OFN(args.parent, args.selection,
+                                        args.directory, args.caption,
+                                        qt_win_filter(args.filter, hideFiltersDetails),
+                                        QFileDialog::ExistingFile,
+                                        args.options);
+    if (idx)
+        ofn->nFilterIndex = idx + 1;
+    if (GetOpenFileName(ofn)) {
+        result = QString::fromWCharArray(ofn->lpstrFile);
+        selFilIdx = ofn->nFilterIndex;
+    }
+    qt_win_clean_up_OFN(&ofn);
+
+    QApplicationPrivate::leaveModal(&modal_widget);
+
+    qt_win_eatMouseMove();
+
+    if (result.isEmpty())
+        return result;
+
+    fi = result;
+    *initialDirectory = fi.path();
+    if (selectedFilter)
+        *selectedFilter = qt_win_selected_filter(args.filter, selFilIdx);
+    return fi.absoluteFilePath();
+}
+
+QString qt_win_get_save_file_name(const QFileDialogArgs &args,
+                                  QString *initialDirectory,
+                                  QString *selectedFilter)
+{
+    QString result;
+
+    QString isel = args.selection;
+    if (initialDirectory && initialDirectory->left(5) == QLatin1String("file:"))
+        initialDirectory->remove(0, 5);
+    QFileInfo fi(*initialDirectory);
+
+    if (initialDirectory && !fi.isDir()) {
+        *initialDirectory = fi.absolutePath();
+        if (isel.isEmpty())
+            isel = fi.fileName();
+    }
+
+    if (!fi.exists())
+        *initialDirectory = QDir::homePath();
+
+    DWORD selFilIdx = 0;
+
+    int idx = 0;
+    if (selectedFilter) {
+        QStringList filterLst = qt_win_make_filters_list(args.filter);
+        idx = filterLst.indexOf(*selectedFilter);
+    }
+
+    QDialog modal_widget;
+    modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
+    modal_widget.setParent(args.parent, Qt::Window);
+    QApplicationPrivate::enterModal(&modal_widget);
+    bool hideFiltersDetails = args.options & QFileDialog::HideNameFilterDetails;
+    // This block is used below for the lpstrDefExt member.
+    // Note that the current MSDN docs document this member wrong.
+    // It should rather be documented as "the default extension if no extension was given and if the
+    // current filter does not have a extension (e.g (*)). If the current filter have an extension, use
+    // the extension of the current filter"
+    QString defaultSaveExt;
+    if (selectedFilter && !selectedFilter->isEmpty()) {
+        defaultSaveExt = qt_win_extract_filter(*selectedFilter);
+        // make sure we only have the extension
+        int firstDot = defaultSaveExt.indexOf(QLatin1Char('.'));
+        if (firstDot != -1) {
+            defaultSaveExt.remove(0, firstDot + 1);
+        } else {
+            defaultSaveExt.clear();
+        }
+    }
+
+    OPENFILENAME *ofn = qt_win_make_OFN(args.parent, args.selection,
+                                        args.directory, args.caption,
+                                        qt_win_filter(args.filter, hideFiltersDetails),
+                                        QFileDialog::AnyFile,
+                                        args.options);
+
+    ofn->lpstrDefExt = (wchar_t*)defaultSaveExt.utf16();
+
+    if (idx)
+        ofn->nFilterIndex = idx + 1;
+    if (GetSaveFileName(ofn)) {
+        result = QString::fromWCharArray(ofn->lpstrFile);
+        selFilIdx = ofn->nFilterIndex;
+    }
+    qt_win_clean_up_OFN(&ofn);
+
+#if defined(Q_WS_WINCE)
+    int semIndex = result.indexOf(QLatin1Char(';'));
+    if (semIndex >= 0)
+        result = result.left(semIndex);
+#endif
+
+    QApplicationPrivate::leaveModal(&modal_widget);
+
+    qt_win_eatMouseMove();
+
+    if (result.isEmpty())
+        return result;
+
+    fi = result;
+    *initialDirectory = fi.path();
+    if (selectedFilter)
+        *selectedFilter = qt_win_selected_filter(args.filter, selFilIdx);
+    return fi.absoluteFilePath();
+}
+
+
+#ifndef Q_WS_WINCE
+
+typedef HRESULT (WINAPI *PtrSHCreateItemFromParsingName)(PCWSTR pszPath, IBindCtx *pbc, REFIID riid, void **ppv);
+static PtrSHCreateItemFromParsingName pSHCreateItemFromParsingName = 0;
+
+static bool qt_win_set_IFileDialogOptions(IFileDialog *pfd,
+                                          const QString& initialSelection,
+                                          const QString& initialDirectory,
+                                          const QString& title,
+                                          const QStringList& filterLst,
+                                          QFileDialog::FileMode mode,
+                                          QFileDialog::Options options)
+{
+    if (!pSHCreateItemFromParsingName) {
+        // This function is available only in Vista & above.
+        QSystemLibrary shellLib(QLatin1String("Shell32"));
+        pSHCreateItemFromParsingName = (PtrSHCreateItemFromParsingName)
+            shellLib.resolve("SHCreateItemFromParsingName");
+        if (!pSHCreateItemFromParsingName)
+            return false;
+    }
+    HRESULT hr;
+    QString winfilters;
+    int numFilters = 0;
+    quint32 currentOffset = 0;
+    QList<quint32> offsets;
+    QStringList::ConstIterator it = filterLst.begin();
+    // Create the native filter string and save offset to each entry.
+    for (; it != filterLst.end(); ++it) {
+        QString subfilter = *it;
+        if (!subfilter.isEmpty()) {
+            offsets<<currentOffset;
+            //Here the COMMON_ITEM_DIALOG API always add the details for the filter (e.g. *.txt)
+            //so we don't need to handle the flag HideNameFilterDetails.
+            winfilters += subfilter; // The name of the filter.
+            winfilters += QChar();
+            currentOffset += subfilter.size()+1;
+            offsets<<currentOffset;
+            QString spec = qt_win_extract_filter(subfilter);
+            winfilters += spec; // The actual filter spec.
+            winfilters += QChar();
+            currentOffset += spec.size()+1;
+            numFilters++;
+        }
+    }
+    // Add the filters to the file dialog.
+    if (numFilters) {
+        wchar_t *szData = (wchar_t*)winfilters.utf16();
+        qt_COMDLG_FILTERSPEC *filterSpec = new qt_COMDLG_FILTERSPEC[numFilters];
+        for(int i = 0; i<numFilters; i++) {
+            filterSpec[i].pszName = szData+offsets[i*2];
+            filterSpec[i].pszSpec = szData+offsets[(i*2)+1];
+        }
+        hr = pfd->SetFileTypes(numFilters, filterSpec);
+        delete []filterSpec;
+    }
+    // Set the starting folder.
+    tInitDir = QDir::toNativeSeparators(initialDirectory);
+    if (!tInitDir.isEmpty()) {
+        IShellItem *psiDefaultFolder;
+        hr = pSHCreateItemFromParsingName((wchar_t*)tInitDir.utf16(), NULL, QT_IID_IShellItem, 
+            reinterpret_cast<void**>(&psiDefaultFolder));
+
+        if (SUCCEEDED(hr)) {
+            hr = pfd->SetFolder(psiDefaultFolder);
+            psiDefaultFolder->Release();
+        }
+    }
+    // Set the currently selected file.
+    QString initSel = QDir::toNativeSeparators(initialSelection);
+    if (!initSel.isEmpty()) {
+        initSel.remove(QLatin1Char('<'));
+        initSel.remove(QLatin1Char('>'));
+        initSel.remove(QLatin1Char('\"'));
+        initSel.remove(QLatin1Char('|'));
+    }
+    if (!initSel.isEmpty()) {
+        hr = pfd->SetFileName((wchar_t*)initSel.utf16());
+    }
+    // Set the title for the file dialog.
+    if (!title.isEmpty()) {
+        hr = pfd->SetTitle((wchar_t*)title.utf16());
+    }
+    // Set other flags for the dialog.
+    DWORD newOptions;
+    hr = pfd->GetOptions(&newOptions);
+    if (SUCCEEDED(hr)) {
+        newOptions |= FOS_NOCHANGEDIR;
+        if (mode == QFileDialog::ExistingFile ||
+             mode == QFileDialog::ExistingFiles)
+            newOptions |= (FOS_FILEMUSTEXIST | FOS_PATHMUSTEXIST);
+        if (mode == QFileDialog::ExistingFiles)
+            newOptions |= FOS_ALLOWMULTISELECT;
+        if (!(options & QFileDialog::DontConfirmOverwrite))
+            newOptions |= FOS_OVERWRITEPROMPT;
+        hr = pfd->SetOptions(newOptions);
+    }
+    return SUCCEEDED(hr);
+}
+
+static QStringList qt_win_CID_get_open_file_names(const QFileDialogArgs &args,
+                                       QString *initialDirectory,
+                                       const QStringList &filterList,
+                                       QString *selectedFilter,
+                                       int selectedFilterIndex)
+{
+    QStringList result;
+    QDialog modal_widget;
+    modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
+    modal_widget.setParent(args.parent, Qt::Window);
+    QApplicationPrivate::enterModal(&modal_widget);
+    // Multiple selection is allowed only in IFileOpenDialog.
+    IFileOpenDialog *pfd = 0;
+    HRESULT hr = CoCreateInstance(QT_CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, QT_IID_IFileOpenDialog, 
+        reinterpret_cast<void**>(&pfd));
+
+    if (SUCCEEDED(hr)) {
+        qt_win_set_IFileDialogOptions(pfd, args.selection,
+                                      args.directory, args.caption,
+                                      filterList, QFileDialog::ExistingFiles,
+                                      args.options);
+        // Set the currently selected filter (one-based index).
+        hr = pfd->SetFileTypeIndex(selectedFilterIndex+1);
+        QWidget *parentWindow = args.parent;
+        if (parentWindow)
+            parentWindow = parentWindow->window();
+        else
+            parentWindow = QApplication::activeWindow();
+        // Show the file dialog.
+        hr = pfd->Show(parentWindow ? parentWindow->winId() : 0);
+        if (SUCCEEDED(hr)) {
+            // Retrieve the results.
+            IShellItemArray *psiaResults;
+            hr = pfd->GetResults(&psiaResults);
+            if (SUCCEEDED(hr)) {
+                DWORD numItems = 0;
+                psiaResults->GetCount(&numItems);
+                for (DWORD i = 0; i<numItems; i++) {
+                    IShellItem *psi = 0;
+                    hr = psiaResults->GetItemAt(i, &psi);
+                    if (SUCCEEDED(hr)) {
+                        // Retrieve the file name from shell item.
+                        wchar_t *pszPath;
+                        hr = psi->GetDisplayName(SIGDN_FILESYSPATH, &pszPath);
+                        if (SUCCEEDED(hr)) {
+                            QString fileName = QString::fromWCharArray(pszPath);
+                            result.append(fileName);
+                            CoTaskMemFree(pszPath);
+                        }
+                        psi->Release(); // Free the current item.
+                    }
+                }
+                psiaResults->Release(); // Free the array of items.
+            }
+        }
+    }
+    QApplicationPrivate::leaveModal(&modal_widget);
+
+    qt_win_eatMouseMove();
+
+    if (!result.isEmpty()) {
+        // Retrieve the current folder name.
+        IShellItem *psi = 0;
+        hr = pfd->GetFolder(&psi);
+        if (SUCCEEDED(hr)) {
+            wchar_t *pszPath;
+            hr = psi->GetDisplayName(SIGDN_FILESYSPATH, &pszPath);
+            if (SUCCEEDED(hr)) {
+                *initialDirectory = QString::fromWCharArray(pszPath);
+                CoTaskMemFree(pszPath);
+            }
+            psi->Release();
+        }
+        // Retrieve the currently selected filter.
+        if (selectedFilter) {
+            quint32 filetype = 0;
+            hr = pfd->GetFileTypeIndex(&filetype);
+            if (SUCCEEDED(hr) && filetype && filetype <= (quint32)filterList.length()) {
+                // This is a one-based index, not zero-based.
+                *selectedFilter = filterList[filetype-1];
+            }
+        }
+    }
+    if (pfd)
+        pfd->Release();
+    return result;
+}
+
+QString qt_win_CID_get_existing_directory(const QFileDialogArgs &args)
+{
+    QString result;
+    QDialog modal_widget;
+    modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
+    modal_widget.setParent(args.parent, Qt::Window);
+    QApplicationPrivate::enterModal(&modal_widget);
+
+    IFileOpenDialog *pfd = 0;
+    HRESULT hr = CoCreateInstance(QT_CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER,
+                                  QT_IID_IFileOpenDialog, reinterpret_cast<void**>(&pfd));
+
+    if (SUCCEEDED(hr)) {
+        qt_win_set_IFileDialogOptions(pfd, args.selection,
+                                      args.directory, args.caption,
+                                      QStringList(), QFileDialog::ExistingFiles,
+                                      args.options);
+
+        // Set the FOS_PICKFOLDERS flag
+        DWORD newOptions;
+        hr = pfd->GetOptions(&newOptions);
+        newOptions |= (FOS_PICKFOLDERS | FOS_FORCEFILESYSTEM);
+        if (SUCCEEDED(hr) && SUCCEEDED((hr = pfd->SetOptions(newOptions)))) {
+            QWidget *parentWindow = args.parent;
+            if (parentWindow)
+                parentWindow = parentWindow->window();
+            else
+                parentWindow = QApplication::activeWindow();
+
+            // Show the file dialog.
+            hr = pfd->Show(parentWindow ? parentWindow->winId() : 0);
+            if (SUCCEEDED(hr)) {
+                // Retrieve the result
+                IShellItem *psi = 0;
+                hr = pfd->GetResult(&psi);
+                if (SUCCEEDED(hr)) {
+                    // Retrieve the file name from shell item.
+                    wchar_t *pszPath;
+                    hr = psi->GetDisplayName(SIGDN_FILESYSPATH, &pszPath);
+                    if (SUCCEEDED(hr)) {
+                        result = QString::fromWCharArray(pszPath);
+                        CoTaskMemFree(pszPath);
+                    }
+                    psi->Release(); // Free the current item.
+                }
+            }
+        }
+    }
+    QApplicationPrivate::leaveModal(&modal_widget);
+
+    qt_win_eatMouseMove();
+
+    if (pfd)
+        pfd->Release();
+    return result;
+}
+
+#endif
+
+QStringList qt_win_get_open_file_names(const QFileDialogArgs &args,
+                                       QString *initialDirectory,
+                                       QString *selectedFilter)
+{
+    QFileInfo fi;
+    QDir dir;
+
+    if (initialDirectory && initialDirectory->left(5) == QLatin1String("file:"))
+        initialDirectory->remove(0, 5);
+    fi = QFileInfo(*initialDirectory);
+
+    if (initialDirectory && !fi.isDir()) {
+        *initialDirectory = fi.absolutePath();
+    }
+
+    if (!fi.exists())
+        *initialDirectory = QDir::homePath();
+
+    DWORD selFilIdx = 0;
+
+    QStringList filterLst = qt_win_make_filters_list(args.filter);
+    int idx = 0;
+    if (selectedFilter) {
+        idx = filterLst.indexOf(*selectedFilter);
+    }
+    // Windows Vista (& above) allows users to search from file dialogs. If user selects
+    // multiple files belonging to different folders from these search results, the
+    // GetOpenFileName() will return only one folder name for all the files. To retrieve
+    // the correct path for all selected files, we have to use Common Item Dialog interfaces.
+#ifndef Q_WS_WINCE
+    if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)
+        return qt_win_CID_get_open_file_names(args, initialDirectory, filterLst, selectedFilter, idx);
+#endif
+
+    QStringList result;
+    QDialog modal_widget;
+    modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
+    modal_widget.setParent(args.parent, Qt::Window);
+    QApplicationPrivate::enterModal(&modal_widget);
+
+    bool hideFiltersDetails = args.options & QFileDialog::HideNameFilterDetails;
+    OPENFILENAME* ofn = qt_win_make_OFN(args.parent, args.selection,
+                                        args.directory, args.caption,
+                                        qt_win_filter(args.filter, hideFiltersDetails),
+                                        QFileDialog::ExistingFiles,
+                                        args.options);
+    if (idx)
+        ofn->nFilterIndex = idx + 1;
+    if (GetOpenFileName(ofn)) {
+        QString fileOrDir = QString::fromWCharArray(ofn->lpstrFile);
+        selFilIdx = ofn->nFilterIndex;
+        int offset = fileOrDir.length() + 1;
+        if (ofn->lpstrFile[offset] == 0) {
+            // Only one file selected; has full path
+            fi.setFile(fileOrDir);
+            QString res = fi.absoluteFilePath();
+            if (!res.isEmpty())
+                result.append(res);
+        }
+        else {
+            // Several files selected; first string is path
+            dir.setPath(fileOrDir);
+            QString f;
+            while(!(f = QString::fromWCharArray(ofn->lpstrFile + offset)).isEmpty()) {
+                fi.setFile(dir, f);
+                QString res = fi.absoluteFilePath();
+                if (!res.isEmpty())
+                    result.append(res);
+                offset += f.length() + 1;
+            }
+        }
+    }
+    qt_win_clean_up_OFN(&ofn);
+
+    QApplicationPrivate::leaveModal(&modal_widget);
+
+    qt_win_eatMouseMove();
+
+    if (!result.isEmpty()) {
+        *initialDirectory = fi.path();    // only save the path if there is a result
+        if (selectedFilter)
+            *selectedFilter = qt_win_selected_filter(args.filter, selFilIdx);
+    }
+    return result;
+}
+
+// MFC Directory Dialog. Contrib: Steve Williams (minor parts from Scott Powers)
+
+static int __stdcall winGetExistDirCallbackProc(HWND hwnd,
+                                                UINT uMsg,
+                                                LPARAM lParam,
+                                                LPARAM lpData)
+{
+    if (uMsg == BFFM_INITIALIZED && lpData != 0) {
+        QString *initDir = (QString *)(lpData);
+        if (!initDir->isEmpty()) {
+            SendMessage(hwnd, BFFM_SETSELECTION, TRUE, LPARAM(initDir->utf16()));
+        }
+    } else if (uMsg == BFFM_SELCHANGED) {
+        qt_win_resolve_libs();
+        if (ptrSHGetPathFromIDList) {
+            wchar_t path[MAX_PATH];
+            ptrSHGetPathFromIDList(qt_LPITEMIDLIST(lParam), path);
+            QString tmpStr = QString::fromWCharArray(path);
+            if (!tmpStr.isEmpty())
+                SendMessage(hwnd, BFFM_ENABLEOK, 1, 1);
+            else
+                SendMessage(hwnd, BFFM_ENABLEOK, 0, 0);
+            SendMessage(hwnd, BFFM_SETSTATUSTEXT, 1, LPARAM(path));
+        }
+    }
+    return 0;
+}
+
+QString qt_win_get_existing_directory(const QFileDialogArgs &args)
+{
+#ifndef Q_WS_WINCE
+    if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)
+        return qt_win_CID_get_existing_directory(args);
+#endif
+
+    QString currentDir = QDir::currentPath();
+    QString result;
+    QWidget *parent = args.parent;
+    if (parent)
+        parent = parent->window();
+    else
+        parent = QApplication::activeWindow();
+    if (parent)
+        parent->createWinId();
+
+    QDialog modal_widget;
+    modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
+    modal_widget.setParent(parent, Qt::Window);
+    QApplicationPrivate::enterModal(&modal_widget);
+
+    QString initDir = QDir::toNativeSeparators(args.directory);
+    wchar_t path[MAX_PATH];
+    wchar_t initPath[MAX_PATH];
+    initPath[0] = 0;
+    path[0] = 0;
+    tTitle = args.caption;
+
+    qt_BROWSEINFO bi;
+
+    Q_ASSERT(!parent ||parent->testAttribute(Qt::WA_WState_Created));
+    bi.hwndOwner = (parent ? parent->winId() : 0);
+    bi.pidlRoot = NULL;
+    //### This does not seem to be respected? - the dialog always displays "Browse for folder"
+    bi.lpszTitle = (wchar_t*)tTitle.utf16();
+    bi.pszDisplayName = initPath;
+    bi.ulFlags = BIF_RETURNONLYFSDIRS | BIF_STATUSTEXT | BIF_NEWDIALOGSTYLE;
+    bi.lpfn = winGetExistDirCallbackProc;
+    bi.lParam = LPARAM(&initDir);
+
+    qt_win_resolve_libs();
+    if (ptrSHBrowseForFolder) {
+        qt_LPITEMIDLIST pItemIDList = ptrSHBrowseForFolder(&bi);
+        if (pItemIDList) {
+            ptrSHGetPathFromIDList(pItemIDList, path);
+            IMalloc *pMalloc;
+            if (ptrSHGetMalloc(&pMalloc) == NOERROR) {
+                pMalloc->Free(pItemIDList);
+                pMalloc->Release();
+                result = QString::fromWCharArray(path);
+            }
+        }
+    }
+    tTitle = QString();
+
+    QApplicationPrivate::leaveModal(&modal_widget);
+
+    qt_win_eatMouseMove();
+
+    if (!result.isEmpty())
+        result.replace(QLatin1Char('\\'), QLatin1Char('/'));
+    return result;
+}
+
+
+QT_END_NAMESPACE
+
+#endif