Line data    Source code

       1             : 
       2             : /* Copyright (c) 2006-2009, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *                    2011, Cedric Stalder <cedric.stalder@gmail.com>
       4             :  *                    2014, Daniel Nachbaur <danielnachbaur@gmail.com>
       5             :  *
       6             :  * This library is free software; you can redistribute it and/or modify it under
       7             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       8             :  * by the Free Software Foundation.
       9             :  *
      10             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      11             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      12             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      13             :  * details.
      14             :  *
      15             :  * You should have received a copy of the GNU Lesser General Public License
      16             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      17             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             :  */
      19             : 
      20             : #include "eventHandler.h"
      21             : 
      22             : namespace eq
      23             : {
      24             : 
      25           0 : void EventHandler::_computePointerDelta( Event& event )
      26             : {
      27           0 :     switch( event.type )
      28             :     {
      29             :         case Event::WINDOW_POINTER_BUTTON_PRESS:
      30             :         case Event::WINDOW_POINTER_BUTTON_RELEASE:
      31           0 :             if( _lastPointerEvent.type == Event::WINDOW_POINTER_MOTION )
      32             :             {
      33           0 :                 event.pointer.dx = _lastPointerEvent.pointer.dx;
      34           0 :                 event.pointer.dy = _lastPointerEvent.pointer.dy;
      35           0 :                 break;
      36             :             }
      37             :             // fall through
      38             : 
      39             :         default:
      40           0 :             event.pointer.dx = event.pointer.x - _lastPointerEvent.pointer.x;
      41           0 :             event.pointer.dy = event.pointer.y - _lastPointerEvent.pointer.y;
      42             :     }
      43           0 :     _lastPointerEvent = event;
      44           0 : }
      45             : 
      46          36 : }