libs/widgets/KoResourceItemChooserSync.h

0001 /* This file is part of the KDE project
0002
0003    Copyright (c) 2014 Sven Langkamp <sven.langkamp@gmail.com>
0004
0005    This library is free software; you can redistribute it and/or
0006    modify it under the terms of the GNU Library General Public
0007    License as published by the Free Software Foundation; either
0008    version 2 of the License, or (at your option) any later version.
0009
0010    This library is distributed in the hope that it will be useful,
0011    but WITHOUT ANY WARRANTY; without even the implied warranty of
0012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0013    Library General Public License for more details.
0014
0015    You should have received a copy of the GNU Library General Public License
0016    along with this library; see the file COPYING.LIB.  If not, write to
0017    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0018  * Boston, MA 02110-1301, USA.
0019 */
0020
0021 #ifndef KORESOURCEITEMCHOOSERSYNC_H
0022 #define KORESOURCEITEMCHOOSERSYNC_H
0023
0024 #include <QObject>
0025 #include <QScopedPointer>
0026
0027 #include "kowidgets_export.h"
0028
0029 /**
0030  * KoResourceItemChooserSync is a singleton that sync the size of entries in the
0031  * resource item choosers between different choosers
0032  * To use the syncing it has to be turned on in the KoResourceItemChooser
0033  */
0034 class KOWIDGETS_EXPORT KoResourceItemChooserSync : public QObject
0035 {
0036     Q_OBJECT
0037 public:
0038     KoResourceItemChooserSync();
0039     ~KoResourceItemChooserSync() override;
0040     static KoResourceItemChooserSync* instance();
0041
0042     /// Gets the base length
0043     /// @returns the base length of items
0044     int baseLength();
0045
0046     /// Set the base length
0047     /// @param length base length for the items, will be clamped if ouside range
0048     void setBaseLength(int length);
0049
0050 Q_SIGNALS:
0051     /// Signal is emitted when the base length is changed and will trigger and update in
0052     /// the resource item choosers
0053     void baseLenghtChanged(int length);
0054
0055 private:
0056
0057     KoResourceItemChooserSync(const KoResourceItemChooserSync&);
0058     KoResourceItemChooserSync operator=(const KoResourceItemChooserSync&);
0059
0060 private:
0061     struct Private;
0062     const QScopedPointer<Private> d;
0063 };
0064
0065 #endif // KORESOURCEITEMCHOOSERSYNC_H