ThumbnailView/MouseInteraction.h

   1 /* Copyright (C) 2003-2009 Jesper K. Pedersen <blackie@kde.org>
   2
   3    This program is free software; you can redistribute it and/or
   4    modify it under the terms of the GNU General Public
   5    License as published by the Free Software Foundation; either
   6    version 2 of the License, or (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program; see the file COPYING.  If not, write to
  15    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16    Boston, MA 02110-1301, USA.
  17 */
  18 #ifndef MOUSEINTERACTION_H
  19 #define MOUSEINTERACTION_H
  20 #include <qevent.h>
  21 #include <QMouseEvent>
  22
  23 namespace ThumbnailView {
  24
  25 /**
  26  * Mouse Event Handling for the ThumbnailView class is handled by subclasses of this class.
  27  *
  28  * Tree event handlers exists:
  29  * \ref GridResizeInteraction - Resizing the grid
  30  * \ref SelectionInteraction - handling selection
  31  * \ref MouseTrackingInteraction - Mouse tracking emit current file under point, when mouse is not pressed down.
  32  */
  33 class MouseInteraction {
  34 public:
  35     virtual ~MouseInteraction() {}
  36     virtual void mousePressEvent( QMouseEvent* ) {};
  37     virtual void mouseMoveEvent( QMouseEvent* ) {};
  38     virtual void mouseReleaseEvent( QMouseEvent* ) {};
  39     virtual bool isResizingGrid() { return false; }
  40 };
  41
  42 }
  43
  44 #endif /* MOUSEINTERACTION_H */
  45