File indexing completed on 2025-02-02 05:43:19

 /*
     This file is part of the Kasten Framework, made within the KDE community.
 
     SPDX-FileCopyrightText: 2009 Friedrich W. H. Kossebau <kossebau@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
 #ifndef KASTEN_IF_VIEWAREASPLITABLE_HPP
 #define KASTEN_IF_VIEWAREASPLITABLE_HPP
 
 // Qt
 #include <QtPlugin>
 
 template <typename C> class QVector;
 
 namespace Kasten {
 
 class AbstractViewArea;
 
 namespace If {
 
 // TODO: should split(Qt::Orientation) be a method of AbstractViewArea?
 // TODO: split or add? difference in semantics?
 // TODO: areas could be tabbed/stacked, too, also recursively. Support that?
 // TODO: should views to part/sub-models be restricted to overview of document? No, or?
 // TODO: where to decide what to do with the contained views of a area that is closed?
 // TODO: where to decide what to do on a split, e.g. add a new view copy of the current one?
 class ViewAreaSplitable
 {
 public:
     virtual ~ViewAreaSplitable();
 
 public: // set/action
     /// returns the new view area
     virtual AbstractViewArea* splitViewArea(AbstractViewArea* viewArea, Qt::Orientation orientation) = 0;
     virtual void closeViewArea(AbstractViewArea* viewArea) = 0;   // TODO: or report success with bool?
     virtual void setViewAreaFocus(AbstractViewArea* viewArea) = 0;
 
 public: // get
     virtual AbstractViewArea* viewAreaFocus() const = 0;
 //     virtual QVector<Kasten::AbstractViewArea*> viewAreas() const = 0;
     virtual int viewAreasCount() const = 0;
 
 public: // signal
     virtual void viewAreasAdded(const QVector<Kasten::AbstractViewArea*>& viewAreas) = 0;
     virtual void viewAreasRemoved(const QVector<Kasten::AbstractViewArea*>& viewAreas) = 0;
     virtual void viewAreaFocusChanged(Kasten::AbstractViewArea* viewArea) = 0;
 };
 
 inline ViewAreaSplitable::~ViewAreaSplitable() = default;
 
 }
 }
 
 Q_DECLARE_INTERFACE(Kasten::If::ViewAreaSplitable, "org.kde.kasten.if.viewareasplitable/1.0")
 
 #endif