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

   1: /* QtPopupMenuPeer.java --
   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.Component;
  41: import java.awt.Point;
  42: import java.awt.PopupMenu;
  43: import java.awt.Event;
  44: import java.awt.peer.PopupMenuPeer;
  45: 
  46: public class QtPopupMenuPeer extends QtMenuPeer implements PopupMenuPeer
  47: {
  48:   public QtPopupMenuPeer( QtToolkit kit, PopupMenu owner )
  49:   {
  50:     super( kit, owner );
  51:   }
  52: 
  53:   private native void showNative(int x, int y);
  54: 
  55:   // ************ Public methods *********************
  56: 
  57:   /**
  58:    * Part of the older API, replaced by event version instead.
  59:    */
  60:   public void show (Component origin, int x, int y)
  61:   {
  62:     if( origin == null )
  63:       throw new NullPointerException("Null parent component.");
  64:     addItems();
  65: 
  66:     Point p = origin.getLocationOnScreen();
  67:     showNative( (int)p.getX() + x, (int)p.getY() + y );
  68:   }
  69: 
  70:   public void show (Event e)
  71:   {
  72:     if (!(e.target instanceof Component))
  73:       throw new IllegalArgumentException("Expecting a component Event target!");
  74:     show((Component)e.target, e.x, e.y);
  75:   }
  76: }