| /* GtkChoicePeer.java -- Implements ChoicePeer with GTK |
| Copyright (C) 1998, 1999, 2005 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 gnu.java.awt.peer.gtk; |
| |
| import java.awt.Choice; |
| import java.awt.event.ItemEvent; |
| import java.awt.peer.ChoicePeer; |
| |
| public class GtkChoicePeer extends GtkComponentPeer |
| implements ChoicePeer |
| { |
| public GtkChoicePeer (Choice c) |
| { |
| super (c); |
| |
| int count = c.getItemCount (); |
| if (count > 0) |
| { |
| String items[] = new String[count]; |
| for (int i = 0; i < count; i++) |
| items[i] = c.getItem (i); |
| |
| append (items); |
| } |
| |
| int selected = c.getSelectedIndex(); |
| if (selected >= 0) |
| select(selected); |
| } |
| |
| native void create (); |
| |
| native void append (String items[]); |
| native int nativeGetSelected (); |
| native void nativeAdd (String item, int index); |
| native void nativeRemove (int index); |
| native void nativeRemoveAll (); |
| |
| public native void select (int position); |
| |
| public void add (String item, int index) |
| { |
| int before = nativeGetSelected(); |
| |
| nativeAdd (item, index); |
| |
| /* Generate an ItemEvent if we added the first one or |
| if we inserted at or before the currently selected item. */ |
| if ((before < 0) || (before >= index)) |
| { |
| // Must set our state before notifying listeners |
| ((Choice) awtComponent).select (((Choice) awtComponent).getItem (0)); |
| postItemEvent (((Choice) awtComponent).getItem (0), ItemEvent.SELECTED); |
| } |
| } |
| |
| public void remove (int index) |
| { |
| int before = nativeGetSelected(); |
| int after; |
| |
| nativeRemove (index); |
| after = nativeGetSelected(); |
| |
| /* Generate an ItemEvent if we are removing the currently selected item |
| and there are at least one item left. */ |
| if ((before == index) && (after >= 0)) |
| { |
| // Must set our state before notifying listeners |
| ((Choice) awtComponent).select (((Choice) awtComponent).getItem (0)); |
| postItemEvent (((Choice) awtComponent).getItem (0), ItemEvent.SELECTED); |
| } |
| } |
| |
| public void removeAll () |
| { |
| nativeRemoveAll(); |
| } |
| |
| public void addItem (String item, int position) |
| { |
| add (item, position); |
| } |
| |
| protected void choicePostItemEvent (String label, int stateChange) |
| { |
| // Must set our state before notifying listeners |
| if (stateChange == ItemEvent.SELECTED) |
| ((Choice) awtComponent).select (label); |
| postItemEvent (label, stateChange); |
| } |
| } |