settingstree.h Example File | Qt Widgets 5.6

Qt 5.6 | Qt Widgets | Settings Editor Example | settingstree.h Example File

Qt 5.6.2 Reference Documentation

# settingstree.h Example File

tools/settingseditor/settingstree.h

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** You may use this file under the terms of the BSD license as follows:
      **
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      #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 Q_DECL_OVERRIDE;

      public slots:
          void setAutoRefresh(bool autoRefresh);
          void setFallbacksEnabled(bool enabled);
          void maybeRefresh();
          void refresh();

      protected:
          bool event(QEvent *event) Q_DECL_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