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