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diff --git a/fpicker/source/office/iodlgimp.hxx b/fpicker/source/office/iodlgimp.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_FPICKER_SOURCE_OFFICE_IODLGIMP_HXX
+#define INCLUDED_FPICKER_SOURCE_OFFICE_IODLGIMP_HXX
+
+#include "PlacesListBox.hxx"
+
+#include <vcl/idle.hxx>
+
+#include <deque>
+#include <memory>
+#include <vector>
+
+class CheckBox;
+class SvtFileDialog;
+
+#define FILEDIALOG_DEF_EXTSEP       ';'
+#define FILEDIALOG_DEF_WILDCARD     '*'
+
+
+// SvtFileDialogFilter_Impl
+
+
+/*  [Description]
+
+    Instances of this class represent a filter.
+*/
+
+class SvtFileDialogFilter_Impl
+{
+private:
+    OUString m_aName;    // name of the entry
+    OUString m_aType;    // filter wildcard - if empty, the entry marks a group
+
+public:
+    SvtFileDialogFilter_Impl( const OUString& rName, const OUString& rType );
+    ~SvtFileDialogFilter_Impl();
+
+    const OUString&     GetName() const     { return m_aName; }
+    const OUString&     GetType() const     { return m_aType; }
+    OUString            GetExtension() const    { return m_aType.getLength() > 2 ? m_aType.copy( 2 ) : OUString(); }
+
+    bool            isGroupSeparator() const    { return m_aType.isEmpty(); }
+};
+
+typedef std::deque<std::unique_ptr<SvtFileDialogFilter_Impl>> SvtFileDialogFilterList_Impl;
+
+enum SvtFileDlgMode
+{
+    FILEDLG_MODE_OPEN = 0,
+    FILEDLG_MODE_SAVE = 1
+};
+
+enum SvtFileDlgType
+{
+    FILEDLG_TYPE_FILEDLG = 0,
+    FILEDLG_TYPE_PATHDLG
+};
+
+class SvtUpButton_Impl
+{
+private:
+    std::unique_ptr<weld::Toolbar> m_xToolbar;
+    std::unique_ptr<weld::Menu> m_xMenu;
+    SvtFileDialog* m_pDlg;
+
+    std::vector<OUString> aURLs;
+
+public:
+    SvtUpButton_Impl(std::unique_ptr<weld::Toolbar> xToolbar,
+                     std::unique_ptr<weld::Menu> xMenu,
+                     SvtFileDialog* pDlg);
+
+    void set_help_id(const OString& rHelpId) { m_xToolbar->set_help_id(rHelpId); }
+    void show() { m_xToolbar->show(); }
+
+    void FillURLMenu();
+
+    weld::Widget* getWidget() { return m_xToolbar.get(); }
+
+private:
+
+    DECL_LINK(SelectHdl, const OString&, void);
+    DECL_LINK(ClickHdl, const OString&, void);
+};
+
+class SvtURLBox;
+class SvtExpFileDlg_Impl
+{
+private:
+    const SvtFileDialogFilter_Impl* m_pCurFilter;
+    OUString                        m_sCurrentFilterDisplayName;    // may differ from m_pCurFilter->GetName in case it is a cached entry
+
+    css::uno::Sequence< OUString > m_aBlackList;
+
+public:
+    SvtFileDialogFilterList_Impl    m_aFilter;
+    std::unique_ptr<SvtFileDialogFilter_Impl> m_xUserFilter;
+
+    std::unique_ptr<weld::Label> m_xFtFileName;
+    std::unique_ptr<SvtURLBox> m_xEdFileName;
+
+    std::unique_ptr<weld::Label> m_xSharedLabel;
+    std::unique_ptr<weld::ComboBox> m_xSharedListBox;
+
+    std::unique_ptr<weld::Label> m_xFtFileType;
+    std::unique_ptr<weld::ComboBox> m_xLbFilter;
+    std::unique_ptr<weld::Button> m_xBtnFileOpen;
+    std::unique_ptr<weld::Button> m_xBtnCancel;
+    std::unique_ptr<weld::Button> m_xBtnHelp;
+    std::unique_ptr<SvtUpButton_Impl> m_xBtnUp;
+    std::unique_ptr<weld::Button> m_xBtnNewFolder;
+    std::unique_ptr<weld::CheckButton> m_xCbPassword;
+    std::unique_ptr<weld::CheckButton> m_xCbGPGEncrypt;
+    std::unique_ptr<SvtURLBox> m_xEdCurrentPath;
+    std::unique_ptr<weld::CheckButton> m_xCbAutoExtension;
+    std::unique_ptr<weld::CheckButton> m_xCbOptions;
+
+    std::unique_ptr<PlacesListBox> m_xPlaces;
+    std::unique_ptr<weld::Button> m_xBtnConnectToServer;
+
+    SvtFileDlgMode m_eMode;
+    SvtFileDlgType m_eDlgType;
+    PickerFlags m_nStyle;
+
+    OUString m_aStdDir;
+
+    // delay filter when traveling the filterbox
+    Idle m_aFilterIdle;
+
+    // shows OpenHdl_Imp() if the open was triggered by a double click
+    bool m_bDoubleClick;
+
+    // MultiSelection?
+    bool m_bMultiSelection;
+
+    // remember sizes
+    OUString m_aIniKey;
+
+    explicit SvtExpFileDlg_Impl();
+    ~SvtExpFileDlg_Impl();
+
+    void             SetBlackList( const css::uno::Sequence< OUString >& rBlackList ) { m_aBlackList = rBlackList; }
+    const css::uno::Sequence< OUString >& GetBlackList() const { return m_aBlackList; }
+    void                    SetStandardDir( const OUString& rDir );
+    const OUString&  GetStandardDir() const { return m_aStdDir; }
+
+    // access to the filter listbox only as weld::Widget* - we want to maintain the entries/userdata ourself
+    weld::Widget* GetFilterListControl() { return m_xLbFilter.get(); }
+    const weld::Widget*  GetFilterListControl() const { return m_xLbFilter.get(); }
+    void SetFilterListSelectHdl(const Link<weld::ComboBox&, void>& rHandler)
+    {
+        m_xLbFilter->connect_changed(rHandler);
+    }
+
+    // inits the listbox for the filters from the filter list (_pFilter)
+            void            InitFilterList( );
+    bool HasFilterListEntry( const OUString& rFilterName )
+    {
+        return m_xLbFilter->find_text(rFilterName) != -1;
+    }
+
+    void SelectFilterListEntry( const OUString& rFilterName )
+    {
+        m_xLbFilter->set_active_text(rFilterName);
+    }
+
+    void            InsertFilterListEntry( const SvtFileDialogFilter_Impl* _pFilterDesc );
+    // _pFilterDesc must already have been added to _pFilter
+    SvtFileDialogFilter_Impl* GetSelectedFilterEntry( OUString& rDisplayName ) const
+    {
+        rDisplayName = m_xLbFilter->get_active_text();
+        return reinterpret_cast<SvtFileDialogFilter_Impl*>(m_xLbFilter->get_active_id().toInt64());
+    }
+
+    // access to the current filter via methods only - need to care for consistency between m_pCurFilter and m_sCurrentFilterDisplayName
+    const SvtFileDialogFilter_Impl* GetCurFilter( ) const
+    {
+        return m_pCurFilter;
+    }
+
+    const OUString& GetCurFilterDisplayName() const
+    {
+        return m_sCurrentFilterDisplayName;
+    }
+
+    void SetCurFilter( SvtFileDialogFilter_Impl const * _pFilter, const OUString& rDisplayName );
+};
+
+#endif // INCLUDED_FPICKER_SOURCE_OFFICE_IODLGIMP_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */