mirror of git://gcc.gnu.org/git/gcc.git
224 lines
6.0 KiB
Java
224 lines
6.0 KiB
Java
/* Adjustable.java -- Objects with a numeric adjustment scale.
|
|
Copyright (C) 1999 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU Classpath.
|
|
|
|
GNU Classpath 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 2, or (at your option)
|
|
any later version.
|
|
|
|
GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the
|
|
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA.
|
|
|
|
Linking this library statically or dynamically with other modules is
|
|
making a combined work based on this library. Thus, the terms and
|
|
conditions of the GNU General Public License cover the whole
|
|
combination.
|
|
|
|
As a special exception, the copyright holders of this library give you
|
|
permission to link this library with independent modules to produce an
|
|
executable, regardless of the license terms of these independent
|
|
modules, and to copy and distribute the resulting executable under
|
|
terms of your choice, provided that you also meet, for each linked
|
|
independent module, the terms and conditions of the license of that
|
|
module. An independent module is a module which is not derived from
|
|
or based on this library. If you modify this library, you may extend
|
|
this exception to your version of the library, but you are not
|
|
obligated to do so. If you do not wish to do so, delete this
|
|
exception statement from your version. */
|
|
|
|
|
|
package java.awt;
|
|
|
|
import java.awt.event.AdjustmentListener;
|
|
|
|
/**
|
|
* This interface is for objects that take a numeric value that
|
|
* can be adjusted within a bounded range. For example, a scroll bar.
|
|
*
|
|
* @author Aaron M. Renn (arenn@urbanophile.com)
|
|
*/
|
|
public interface Adjustable
|
|
{
|
|
|
|
/*
|
|
* Static Variables
|
|
*/
|
|
|
|
/**
|
|
* Constant for a horizontal orientation
|
|
*/
|
|
public static final int HORIZONTAL = 0;
|
|
|
|
/**
|
|
* Constant for a vertical orientation
|
|
*/
|
|
public static final int VERTICAL = 1;
|
|
|
|
/*************************************************************************/
|
|
|
|
/*
|
|
* Instance Methods
|
|
*/
|
|
|
|
/**
|
|
* Returns the current value of the object.
|
|
*
|
|
* @return The current value of the object.
|
|
*/
|
|
public abstract int
|
|
getValue();
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Sets the current value of the object.
|
|
*
|
|
* @param value The current value of the object.
|
|
*/
|
|
public abstract void
|
|
setValue(int value);
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Returns the orientation of the object, either <code>HORIZONTAL</code>
|
|
* or <code>VERTICAL</code>.
|
|
*
|
|
* @return The orientation of this object.
|
|
*/
|
|
public abstract int
|
|
getOrientation();
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Returns the minimum value this object can take.
|
|
*
|
|
* @return The minimum value this object can take.
|
|
*/
|
|
public abstract int
|
|
getMinimum();
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Sets the minimum value this object can take to the specified value.
|
|
*
|
|
* @param minimum The new minimum value for this object.
|
|
*/
|
|
public abstract void
|
|
setMinimum(int minimum);
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Returns the maximum value this object can take.
|
|
*
|
|
* @return The maximum value this object can take.
|
|
*/
|
|
public abstract int
|
|
getMaximum();
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Sets the maximum value this object can take to the specified value.
|
|
*
|
|
* @param maximum The new maximum value for this object.
|
|
*/
|
|
public abstract void
|
|
setMaximum(int maximum);
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Returns the increment value for incrementing by units.
|
|
*
|
|
* @return The unit increment value.
|
|
*/
|
|
public abstract int
|
|
getUnitIncrement();
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Sets the increment value for incrementing by units to the specified value.
|
|
*
|
|
* @param increment The unit increment value.
|
|
*/
|
|
public abstract void
|
|
setUnitIncrement(int increment);
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Returns the increment value for incrementing by blocks.
|
|
*
|
|
* @return The block increment value.
|
|
*/
|
|
public abstract int
|
|
getBlockIncrement();
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Sets the increment value for incrementing by blocks to the specified value.
|
|
*
|
|
* @param increment The block increment value.
|
|
*/
|
|
public abstract void
|
|
setBlockIncrement(int increment);
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Returns the length of the indicator for this object.
|
|
*
|
|
* @return The indicator length.
|
|
*/
|
|
public abstract int
|
|
getVisibleAmount();
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Sets the length of the indicator for this object to the specified value.
|
|
*
|
|
* @param length The indicator length
|
|
*/
|
|
public abstract void
|
|
setVisibleAmount(int length);
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Adds a listener that will receive adjustment events for this object.
|
|
*
|
|
* @param listener The adjustment listener to add.
|
|
*/
|
|
public abstract void
|
|
addAdjustmentListener(AdjustmentListener listener);
|
|
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
* Removes an adjustment listener from this object. It will no longer
|
|
* receive adjustment events.
|
|
*
|
|
* @param listener The adjustment listener to remove.
|
|
*/
|
|
public abstract void
|
|
removeAdjustmentListener(AdjustmentListener listener);
|
|
|
|
} // interface Adjustable
|
|
|