| /* GtkScrollbarPeer.java -- Implements ScrollbarPeer with GTK+ |
| Copyright (C) 1998, 1999, 2005, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 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 gnu.java.awt.peer.gtk; |
| |
| import java.awt.Scrollbar; |
| import java.awt.event.AdjustmentEvent; |
| import java.awt.peer.ScrollbarPeer; |
| |
| public class GtkScrollbarPeer extends GtkComponentPeer |
| implements ScrollbarPeer |
| { |
| void create () |
| { |
| Scrollbar sb = (Scrollbar) awtComponent; |
| |
| create (sb.getOrientation (), sb.getValue (), |
| sb.getMinimum (), sb.getMaximum (), |
| sb.getUnitIncrement (), sb.getBlockIncrement (), |
| sb.getVisibleAmount ()); |
| } |
| |
| native void create (int orientation, int value, |
| int min, int max, int stepIncr, int pageIncr, |
| int visibleAmount); |
| |
| native void connectSignals (); |
| |
| public GtkScrollbarPeer (Scrollbar s) |
| { |
| super (s); |
| } |
| |
| public native void setLineIncrement(int amount); |
| public native void setPageIncrement(int amount); |
| |
| public void setValues(int value, int visible, int min, int max) |
| { |
| Scrollbar sb = (Scrollbar) awtComponent; |
| if (!sb.getValueIsAdjusting()) |
| setBarValues(value, visible, min, max); |
| } |
| |
| private native void setBarValues(int value, int visible, int min, int max); |
| |
| /** |
| * Called from the native site when the scrollbar changed. |
| * Posts a "user generated" AdjustmentEvent to the queue. |
| */ |
| protected void postAdjustmentEvent (int type, int value) |
| { |
| Scrollbar bar = (Scrollbar) awtComponent; |
| q().postEvent(new AdjustmentEvent(bar, |
| AdjustmentEvent.ADJUSTMENT_VALUE_CHANGED, |
| type, value, true)); |
| } |
| } |