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diff --git a/vcl/unx/gtk3_kde5/kde5_filepicker.hxx b/vcl/unx/gtk3_kde5/kde5_filepicker.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 .
+ */
+
+#pragma once
+
+#include <QtCore/QObject>
+#include <QtCore/QString>
+#include <QtCore/QStringList>
+#include <QtCore/QHash>
+
+#include <sal/types.h>
+
+class QFileDialog;
+class QWidget;
+class QGridLayout;
+
+class KDE5FilePicker : public QObject
+{
+ Q_OBJECT
+protected:
+ //the dialog to display
+ QFileDialog* _dialog;
+
+ //running filter string to add to dialog
+ QStringList _filters;
+ // map of filter titles to full filter for selection
+ QHash<QString, QString> _titleToFilters;
+ // string to set the current filter
+ QString _currentFilter;
+
+ //mapping of SAL control ID's to created custom controls
+ QHash<sal_Int16, QWidget*> _customWidgets;
+
+ //widget to contain extra custom controls
+ QWidget* _extraControls;
+
+ //layout for extra custom controls
+ QGridLayout* _layout;
+
+ sal_uInt64 _winId;
+
+public:
+ explicit KDE5FilePicker(QObject* parent = nullptr);
+ ~KDE5FilePicker() override;
+
+ void enableFolderMode();
+
+ // XExecutableDialog functions
+ void setTitle(const QString& rTitle);
+ bool execute();
+
+ // XFilePicker functions
+ void setMultiSelectionMode(bool bMode);
+ void setDefaultName(const QString& rName);
+ void setDisplayDirectory(const QString& rDirectory);
+ QString getDisplayDirectory() const;
+
+ // XFilterManager functions
+ void appendFilter(const QString& rTitle, const QString& rFilter);
+ void setCurrentFilter(const QString& rTitle);
+ QString getCurrentFilter() const;
+
+ // XFilePickerControlAccess functions
+ void setValue(sal_Int16 nControlId, sal_Int16 nControlAction, bool rValue);
+ bool getValue(sal_Int16 nControlId, sal_Int16 nControlAction) const;
+ void enableControl(sal_Int16 nControlId, bool bEnable);
+ void setLabel(sal_Int16 nControlId, const QString& rLabel);
+ QString getLabel(sal_Int16 nControlId) const;
+
+ // XFilePicker2 functions
+ QList<QUrl> getSelectedFiles() const;
+
+ // XInitialization
+ void initialize(bool saveDialog);
+
+ //add a custom control widget to the file dialog
+ void addCheckBox(sal_Int16 nControlId, const QString& label, bool hidden);
+
+ void setWinId(sal_uInt64 winId);
+
+private:
+ Q_DISABLE_COPY(KDE5FilePicker)
+ // adds the custom controls to the dialog
+ void setupCustomWidgets();
+
+protected:
+ bool eventFilter(QObject* watched, QEvent* event) override;
+
+Q_SIGNALS:
+ void filterChanged();
+ void selectionChanged();
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */