| /* QtCheckboxPeer.java -- |
| Copyright (C) 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.qt; |
| |
| import java.awt.Checkbox; |
| import java.awt.CheckboxGroup; |
| import java.awt.event.ItemEvent; |
| import java.awt.peer.CheckboxPeer; |
| import java.util.WeakHashMap; |
| |
| public class QtCheckboxPeer extends QtComponentPeer implements CheckboxPeer |
| { |
| private CheckboxGroup group; |
| |
| // Map QButtonGroup<->CheckboxGroup |
| private static WeakHashMap groupMap; |
| |
| static |
| { |
| groupMap = new WeakHashMap(); |
| } |
| |
| public QtCheckboxPeer( QtToolkit kit, Checkbox owner ) |
| { |
| super( kit, owner ); |
| } |
| |
| protected native void init(); |
| |
| protected void setup() |
| { |
| super.setup(); |
| setCheckboxGroup( ((Checkbox)owner).getCheckboxGroup() ); |
| setLabel( ((Checkbox)owner).getLabel() ); |
| setState( ((Checkbox)owner).getState() ); |
| } |
| |
| private void fireToggle(boolean checked) |
| { |
| if (group == null) |
| ((Checkbox)owner).setState( checked ); |
| else |
| if ( checked ) |
| group.setSelectedCheckbox((Checkbox)owner); |
| |
| int sel = checked ? ItemEvent.SELECTED : ItemEvent.DESELECTED; |
| ItemEvent e = new ItemEvent((Checkbox)owner, |
| ItemEvent.ITEM_STATE_CHANGED, |
| ((Checkbox)owner).getLabel(), |
| sel); |
| QtToolkit.eventQueue.postEvent(e); |
| } |
| |
| // ************ Public methods ********************* |
| |
| public void setCheckboxGroup( CheckboxGroup group ) |
| { |
| if(this.group == group) |
| return; |
| |
| // if we change from a checkbox to a radio button or vice versa |
| if((this.group == null) != (group == null)) |
| { |
| this.group = group; |
| callInit(); |
| setup(); |
| } |
| |
| this.group = group; |
| } |
| |
| public native void setLabel( String label ); |
| |
| public native void setState( boolean state ); |
| |
| } |
| |
| |