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 /***************************************************************************
  *   Copyright (C) 2002 Lucijan Busch <lucijan@gmx.at>                     *
  *   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>            *
  *   Copyright (C) 2004 Jaroslaw Staniek <js@iidea.pl>                     *
  *   Copyright (C) 2006 by David Saxton david@bluehaze.org                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  ***************************************************************************/
 
 #ifndef PROPERTYEDITOR_H
 #define PROPERTYEDITOR_H
 
 #include <QPointer>
 #include <QTableWidget>
 #include <QVariant>
 
 // #include <q3dict.h>
 //#include <q3listview.h> // 2018.08.13 - ported to QTableWidget
 
 #include "propertyeditoritem.h"
 
 class ItemGroup;
 class Variant;
 class PropertySubEditor;
 class QPushButton;
 class QStyledItemDelegate;
 
 //! A list view to edit any type of properties
 class PropertyEditor : public QTableWidget // K3ListView
 {
     Q_OBJECT
 
 public:
     /*! Creates an empty PropertyEditor with \a parent as parent widget.
      */
     PropertyEditor(QWidget *parent = nullptr);
     ~PropertyEditor() override;
 
     /*! Reset the list, ie clears all items in the list.
        if \a editorOnly is true, then only the current editor will be cleared, not the whole list.
     */
     void reset() override;
 
     /**
      * Updates the list of Property editors from the items selected in
      * \a itemGroup.
      */
     void create(ItemGroup *itemGroup);
 
     QSize sizeHint() const override;
     /**
      * @internal used by PropertySubEditor and PropertyEditor.
      */
     bool handleKeyPress(QKeyEvent *ev);
     /**
      * Updates the default button for the current editor.
      */
     void updateDefaultsButton();
 
 public slots:
     /**
      * On focus:
      * \li previously focused editor is activated
      * \li first visible item is activated if no item was active
      */
     virtual void setFocus();
 
 protected slots:
     /**
      * This slot resets the value of an item, using Property::oldValue().
      * It is called when pressing the "Revert to defaults" button
      */
     void resetItem();
     /**
      * This slot updates the positions of current editor and revert button.
      * It is called when double-clicking list's header.
      */
     void moveEditor();
     /**
      * Fills the list with an item for each property in the buffer.
      * You shouldn't need to call this, as it is automatically called in create().
      */
     void fill();
     /**
      * This slot updates editor and revert buttons position and size when
      * the columns are resized.
      */
     void slotColumnSizeChanged(int section, int oldS, int newS);
     void slotColumnSizeChanged(int section);
     /**
      * This slot is called when the user clicks the list view. It takes care
      * of deleting current editor and creating a new editor for the newly
      * selected item.
      */
     void slotClicked(const QModelIndex &index);
     /**
      * Used to fix selection when unselectable item was activated.
      */
     void slotCurrentChanged(QTableWidgetItem *);
 
     void slotCurrentCellChanged(int currentRow, int currentColumn, int previousRow, int previousColumn);
 
     void slotExpanded(QTableWidgetItem *item);
     void slotCollapsed(QTableWidgetItem *item);
 
 protected:
     /**
      * Creates an editor for the list item \a i in the rect \a geometry, and
      * displays revert button if property is modified (ie
      * PropertyEditorItem::modified() == true). The editor type depends on
      * Property::type() of the item's property.
      */
     void createEditor(const QModelIndex &index); //, const QRect &geometry);
     /**
      * Reimplemented from K3ListView to update editor and revert button
      * position.
      */
     void resizeEvent(QResizeEvent *ev) override;
 
     void showDefaultsButton(bool show);
 
     int baseRowHeight() const
     {
         return m_baseRowHeight;
     }
 
     PropertyEditorItem *selectedItem();
 
     QPointer<ItemGroup> m_pItemGroup;
     QPointer<PropertySubEditor> m_currentEditor;
     PropertyEditorItem *m_editItem;
     PropertyEditorItem *m_topItem; // The top item is used to control the drawing of every branches.
     QPushButton *m_defaults;       // "Revert to defaults" button
     // PropertyEditorItem::Dict m_items; // 2018.08.13 - unused
     int m_baseRowHeight;
     //! Used in setFocus() to prevent scrolling to previously selected item on mouse click
     bool justClickedItem;
 
     int m_lastCellWidgetRow;
     int m_lastCellWidgetCol;
 
     QStyledItemDelegate *m_colPropertyDelegate;
     QStyledItemDelegate *m_colValueDelegate;
 
     friend class PropertyEditorItem;
     friend class PropertySubEditor;
 };
 
 #endif