File indexing completed on 2024-05-12 16:23:35

0001 /***************************************************************************
0002  *   Copyright (C) 2013 by Linuxstopmotion contributors;                   *
0003  *   see the AUTHORS file for details.                                     *
0004  *                                                                         *
0005  *   This program is free software; you can redistribute it and/or modify  *
0006  *   it under the terms of the GNU General Public License as published by  *
0007  *   the Free Software Foundation; either version 2 of the License, or     *
0008  *   (at your option) any later version.                                   *
0009  *                                                                         *
0010  *   This program 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         *
0013  *   GNU General Public License for more details.                          *
0014  *                                                                         *
0015  *   You should have received a copy of the GNU General Public License     *
0016  *   along with this program; if not, write to the                         *
0017  *   Free Software Foundation, Inc.,                                       *
0018  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
0019  ***************************************************************************/
0020 
0021 #ifndef SELECTION_H_
0022 #define SELECTION_H_
0023 
0024 /**
0025  * Interface for retrieving selection.
0026  */
0027 class Selection {
0028 public:
0029     virtual ~Selection() {}
0030 
0031     /**
0032      * Returns true if the user is currently selecting several thumbviews.
0033      * @return true if the user is currently selecting several thumbviews.
0034      */
0035     virtual bool isSelecting() const = 0;
0036 
0037     /**
0038      * Returns The frame number of the anchor of the selection.
0039      * @return The anchor of the current selection, or returns the same value
0040      * as {@ref getActiveFrame} if there is no selection.
0041      */
0042     virtual int getSelectionAnchor() const = 0;
0043 
0044     /**
0045      * Returns the current active frame.
0046      */
0047     virtual int getActiveFrame() const = 0;
0048 
0049     /**
0050      * Returns the current active scene.
0051      */
0052     virtual int getActiveScene() const = 0;
0053 };
0054 
0055 #endif