/* interface Adjustable
*
* Copyright (C) 2001 R M Pitman
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package charva.awt;
import charva.awt.event.AdjustmentEvent;
import charva.awt.event.AdjustmentListener;
/**
* The interface for objects that have an adjustable numeric value
* constrained within a bounded range of values.
*/
public interface Adjustable
{
public void addAdjustmentListener(AdjustmentListener listener_);
public void removeAdjustmentListener(AdjustmentListener listener_);
/** Gets the maximum value of the adjustable object.
*/
public int getMaximum();
/** Gets the minimum value of the adjustable object.
*/
public int getMinimum();
/** Gets the orientation of the object.
*/
public int getOrientation();
/** Gets the value of the adjustable object.
*/
public int getValue();
/** Gets the length of the proportional indicator.
*/
public int getVisibleAmount();
/** Gets the block increment (the amount by which the value will
* change when the arrow keys are pressed).
*/
public int getBlockIncrement();
/** Sets the maximum value of the adjustable object.
*/
public void setMaximum(int val_);
/** Sets the minimum value of the adjustable object.
*/
public void setMinimum(int val_);
/** Sets the value of the adjustable object.
*/
public void setValue(int val_);
/** Sets the length of the proportional indicator.
*/
public void setVisibleAmount(int val_);
/** Sets the block increment
*/
public void setBlockIncrement(int val_);
public void processAdjustmentEvent(AdjustmentEvent evt_);
public static final int VERTICAL = 200;
public static final int HORIZONTAL = 201;
}