1 /* QtMenuPeer.java --
2    Copyright (C)  2005  Free Software Foundation, Inc.
3 
4 This file is part of GNU Classpath.
5 
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10 
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 General Public License for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING.  If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301 USA.
20 
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library.  Thus, the terms and
23 conditions of the GNU General Public License cover the whole
24 combination.
25 
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module.  An independent module is a module which is not derived from
33 or based on this library.  If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so.  If you do not wish to do so, delete this
36 exception statement from your version. */
37 
38 package gnu.java.awt.peer.qt;
39 
40 import java.awt.Menu;
41 import java.awt.MenuItem;
42 import java.awt.PopupMenu;
43 import java.awt.event.ActionEvent;
44 import java.awt.peer.MenuPeer;
45 import java.util.Vector;
46 
47 public class QtMenuPeer extends QtMenuComponentPeer implements MenuPeer
48 {
49   Vector items;
50   boolean itemsAdded;
51 
QtMenuPeer( QtToolkit kit, Menu owner )52   public QtMenuPeer( QtToolkit kit, Menu owner )
53   {
54     super( kit, owner );
55     itemsAdded = false;
56   }
57 
init()58   protected native void init();
59 
setup()60   protected void setup()
61   {
62     items = new Vector();
63     setLabel( ((Menu)owner).getLabel() );
64     if( ((Menu)owner).isTearOff() )
65       allowTearOff();
66   }
67 
68   // Recurse the menu tree adding items,
69   // called from the MenuBar addMenus() method, called from the Frame peer.
addItems()70   void addItems()
71   {
72     if(!itemsAdded)
73       {
74         Menu o = (Menu)owner;
75         for( int i=0; i < o.getItemCount(); i++ )
76           {
77             MenuItem ci = o.getItem(i);
78             if (ci instanceof Menu && ci.getPeer() != null)
79               ((QtMenuPeer)ci.getPeer()).addItems();
80             addItem( ci );
81           }
82         itemsAdded = true;
83       }
84   }
85 
fireClick()86   private void fireClick()
87   {
88     ActionEvent e = new ActionEvent(owner,
89                                     ActionEvent.ACTION_PERFORMED,
90                                     ((Menu)owner).getActionCommand());
91     QtToolkit.eventQueue.postEvent(e);
92   }
93 
allowTearOff()94   private native void allowTearOff();
95 
insertSeperator()96   private native void insertSeperator();
97 
insertItem(QtMenuItemPeer p)98   private native void insertItem(QtMenuItemPeer p);
99 
insertMenu(QtMenuPeer menu)100   private native void insertMenu(QtMenuPeer menu);
101 
delItem(long ptr)102   private native void delItem(long ptr);
103 
add(long ptr)104   private void add(long ptr)
105   {
106     items.add(new Long(ptr));
107   }
108 
109   // ************ Public methods *********************
110 
addItem( MenuItem item )111   public void addItem( MenuItem item )
112   {
113     if( item instanceof Menu || item instanceof PopupMenu)
114       insertMenu((QtMenuPeer)item.getPeer());
115     else
116       {
117         QtMenuItemPeer p = (QtMenuItemPeer)item.getPeer();
118         insertItem(p);
119       }
120   }
121 
addSeparator()122   public void addSeparator()
123   {
124     insertSeperator();
125   }
126 
delItem( int index )127   public void delItem( int index )
128   {
129     long ptr = ((Long)items.elementAt(index)).longValue();
130     delItem(ptr);
131     items.removeElementAt(index);
132   }
133 
134   // Inherited methods..
135 
disable()136   public void disable()
137   {
138     setEnabled(false);
139   }
140 
enable()141   public void enable()
142   {
143     setEnabled(true);
144   }
145 
setEnabled(boolean enabled)146   public native void setEnabled(boolean enabled);
147 
setLabel(String text)148   public native void setLabel(String text);
149 }
150