settingstree.h Example File

tools/settingseditor/settingstree.h
/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/
#ifndef SETTINGSTREE_H #define SETTINGSTREE_H #include <QIcon> #include <QTimer> #include <QTreeWidget> #include <QSharedPointer> class QSettings; class SettingsTree : public QTreeWidget { Q_OBJECT public: typedef QSharedPointer<QSettings> SettingsPtr; SettingsTree(QWidget *parent = 0); ~SettingsTree(); void setSettingsObject(const SettingsPtr &settings); QSize sizeHint() const override; public slots: void setAutoRefresh(bool autoRefresh); void setFallbacksEnabled(bool enabled); void maybeRefresh(); void refresh(); protected: bool event(QEvent *event) override; private slots: void updateSetting(QTreeWidgetItem *item); private: void updateChildItems(QTreeWidgetItem *parent); QTreeWidgetItem *createItem(const QString &text, QTreeWidgetItem *parent, int index); QTreeWidgetItem *childAt(QTreeWidgetItem *parent, int index); int childCount(QTreeWidgetItem *parent); int findChild(QTreeWidgetItem *parent, const QString &text, int startIndex); void moveItemForward(QTreeWidgetItem *parent, int oldIndex, int newIndex); SettingsPtr settings; QTimer refreshTimer; bool autoRefresh; QIcon groupIcon; QIcon keyIcon; }; #endif