Source for java.awt.peer.ContainerPeer

   1: /* ContainerPeer.java -- Interface for container peers
   2:    Copyright (C) 1999 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 java.awt.peer;
  39: 
  40: import java.awt.Insets;
  41: 
  42: public interface ContainerPeer extends ComponentPeer
  43: {
  44:   Insets insets();
  45: 
  46:   Insets getInsets();
  47: 
  48:   void beginValidate();
  49: 
  50:   void endValidate();
  51: 
  52:   void beginLayout();
  53: 
  54:   void endLayout();
  55: 
  56:   boolean isPaintPending();
  57:   
  58:   /**
  59:    * Check if this container peer can be restacked.
  60:    * 
  61:    * @return true if this container peer supports being restacked, false otherwise
  62:    * @since 1.5
  63:    */
  64:   boolean isRestackSupported();
  65: 
  66:   /**
  67:    * Cancel a pending paint event on a region of this container.
  68:    * 
  69:    * @param x the x co-ordinate of the region
  70:    * @param y the y co-ordinate of the region
  71:    * @param width the width of the region
  72:    * @param height the height of the region
  73:    * @since 1.5
  74:    */
  75:   void cancelPendingPaint(int x, int y, int width, int height);
  76:   
  77:   /**
  78:    * Restack the component peers in this container peer.
  79:    * 
  80:    * @since 1.5
  81:    */
  82:   void restack();
  83: } // interface ContainerPeer