-/*
- VARNA is a tool for the automated drawing, visualization and annotation of the secondary structure of RNA, designed as a companion software for web servers and databases.
- Copyright (C) 2008 Kevin Darty, Alain Denise and Yann Ponty.
- electronic mail : Yann.Ponty@lri.fr
- paper mail : LRI, bat 490 Université Paris-Sud 91405 Orsay Cedex France
-
- This file is part of VARNA version 3.1.
- VARNA version 3.1 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 3 of the License, or (at your option) any later version.
-
- VARNA version 3.1 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- See the GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License along with VARNA version 3.1.
- If not, see http://www.gnu.org/licenses.
- */
-package fr.orsay.lri.varna.controlers;
-
-import java.awt.Point;
-import java.awt.event.MouseWheelEvent;
-import java.awt.event.MouseWheelListener;
-
-import fr.orsay.lri.varna.VARNAPanel;
-
-
-/**
- * Listener which control the zoom-in and zoom-out with mouse wheel.
- *
- * @author DARTY Kevin
- */
-public class ControleurMolette implements MouseWheelListener {
-
- private VARNAPanel _vp;
- public ControleurMolette(VARNAPanel vuep) {
- _vp = vuep;
- }
-
- public void mouseWheelMoved(MouseWheelEvent e) {
- if (_vp.isFocusOwner())
- {
- // Roulement vers le haut => zoom in
- if (e.getWheelRotation() == -1) {
- _vp.getVARNAUI().UIZoomIn();
- }
- // Roulement vers le bas => zoom out
- else {
- _vp.getVARNAUI().UIZoomOut();
- }
- }
- }
-}