Source for gnu.java.awt.peer.qt.QtMenuBarPeer

   1: /* QtMenuBarPeer.java -- Qt peer for a menu bar.
   2:    Copyright (C)  2005, 2006  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.MenuBar;
  42: import java.awt.peer.MenuBarPeer;
  43: 
  44: public class QtMenuBarPeer extends QtMenuComponentPeer implements MenuBarPeer
  45: {
  46:   public QtMenuBarPeer( QtToolkit kit, MenuBar owner )
  47:   {
  48:     super( kit, owner );
  49:   }
  50: 
  51:   protected native void init();
  52: 
  53:   protected void setup()
  54:   {
  55:   }
  56: 
  57:   /**
  58:    * Recurses the menubar adding menus (and menu items),
  59:    * called from the Frame peer.
  60:    */
  61:   void addMenus()
  62:   {
  63:     MenuBar o = (MenuBar)owner;
  64:     int help = (o.getHelpMenu() != null) ? 1 : 0;
  65:     for (int i = 0; i < o.getMenuCount() - help; i++)
  66:       addMenu( o.getMenu(i) );
  67:      if(o.getHelpMenu() != null)
  68:        addHelpMenu( o.getHelpMenu() );
  69:   }
  70: 
  71:   private native void addMenu( QtMenuPeer mp );
  72: 
  73:   private native void addHelpMenu( QtMenuPeer mp );
  74: 
  75:   private native void delMenu( QtMenuPeer mp );
  76: 
  77:   // ************ Public methods *********************
  78: 
  79:   public void addMenu( Menu m )
  80:   {
  81:     if (m.getPeer() == null)
  82:       m.addNotify();
  83:     ((QtMenuPeer)m.getPeer()).addItems();
  84:     addMenu( (QtMenuPeer)m.getPeer() );
  85:   }
  86: 
  87:   public void addHelpMenu( Menu m )
  88:   {
  89:     if (m.getPeer() == null)
  90:       m.addNotify();
  91:     ((QtMenuPeer)m.getPeer()).addItems();
  92:     addHelpMenu( (QtMenuPeer)m.getPeer() );
  93:   }
  94: 
  95:   public void delMenu( int index )
  96:   {
  97:     Menu m = ((MenuBar)owner).getMenu( index );
  98:     if(m != null)
  99:       delMenu( (QtMenuPeer)m.getPeer() );
 100:   }
 101: }