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

   1: /* QtMenuBarPeer.java -- Qt peer for a menu bar.
   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.MenuBar;
  42: import java.awt.peer.MenuBarPeer;
  43: import java.util.Vector;
  44: 
  45: public class QtMenuBarPeer extends QtMenuComponentPeer implements MenuBarPeer
  46: {
  47:   public QtMenuBarPeer( QtToolkit kit, MenuBar owner )
  48:   {
  49:     super( kit, owner );
  50:   }
  51:   
  52:   protected native void init();
  53:   
  54:   protected void setup()
  55:   {
  56:   }
  57: 
  58:   /** 
  59:    * Recurses the menubar adding menus (and menu items), 
  60:    * called from the Frame peer.
  61:    */
  62:   void addMenus()
  63:   {
  64:     MenuBar o = (MenuBar)owner;
  65:     int help = (o.getHelpMenu() != null) ? 1 : 0;
  66:     for (int i = 0; i < o.getMenuCount() - help; i++)
  67:       addMenu( o.getMenu(i) );
  68:      if(o.getHelpMenu() != null)
  69:        addHelpMenu( o.getHelpMenu() );
  70:   }
  71: 
  72:   private native void addMenu( QtMenuPeer mp );
  73: 
  74:   private native void addHelpMenu( QtMenuPeer mp );
  75: 
  76:   private native void delMenu( QtMenuPeer mp );
  77: 
  78:   // ************ Public methods *********************
  79: 
  80:   public void addMenu( Menu m )
  81:   {
  82:     if (m.getPeer() == null)
  83:       m.addNotify();
  84:     ((QtMenuPeer)m.getPeer()).addItems();
  85:     addMenu( (QtMenuPeer)m.getPeer() );
  86:   }
  87: 
  88:   public void addHelpMenu( Menu m )
  89:   {
  90:     if (m.getPeer() == null)
  91:       m.addNotify();
  92:     ((QtMenuPeer)m.getPeer()).addItems();
  93:     addHelpMenu( (QtMenuPeer)m.getPeer() );
  94:   }
  95: 
  96:   public void delMenu( int index )
  97:   {
  98:     Menu m = ((MenuBar)owner).getMenu( index );
  99:     if(m != null)
 100:       delMenu( (QtMenuPeer)m.getPeer() );
 101:   }
 102: }