libjava/classpath/gnu/java/awt/peer/gtk/GtkContainerPeer.java

   1 /* GtkContainerPeer.java -- Implements ContainerPeer with GTK
   2    Copyright (C) 1998, 1999, 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
  39 package gnu.java.awt.peer.gtk;
  40
  41 import java.awt.Color;
  42 import java.awt.Component;
  43 import java.awt.Container;
  44 import java.awt.Font;
  45 import java.awt.Graphics;
  46 import java.awt.Insets;
  47 import java.awt.Window;
  48 import java.awt.peer.ComponentPeer;
  49 import java.awt.peer.ContainerPeer;
  50
  51 public class GtkContainerPeer extends GtkComponentPeer
  52   implements ContainerPeer
  53 {
  54   Container c;
  55
  56   public GtkContainerPeer(Container c)
  57   {
  58     super (c);
  59     this.c = c;
  60   }
  61
  62   public void beginValidate ()
  63   {
  64   }
  65
  66   public void endValidate ()
  67   {
  68   }
  69
  70   public Insets getInsets()
  71   {
  72     return insets;
  73   }
  74
  75   public Insets insets()
  76   {
  77     return getInsets ();
  78   }
  79
  80   public void setBounds (int x, int y, int width, int height)
  81   {
  82     super.setBounds (x, y, width, height);
  83   }
  84
  85   public void setFont(Font f)
  86   {
  87     super.setFont(f);
  88     Component[] components = ((Container) awtComponent).getComponents();
  89     for (int i = 0; i < components.length; i++)
  90       {
  91         if (components[i].isLightweight ())
  92           components[i].setFont (f);
  93         else
  94           {
  95             GtkComponentPeer peer = (GtkComponentPeer) components[i].getPeer();
  96             if (peer != null && ! peer.awtComponent.isFontSet())
  97               peer.setFont(f);
  98           }
  99       }
 100   }
 101
 102   public void beginLayout () { }
 103   public void endLayout () { }
 104   public boolean isPaintPending () { return false; }
 105
 106   public void setBackground (Color c)
 107   {
 108     super.setBackground(c);
 109
 110     Object components[] = ((Container) awtComponent).getComponents();
 111     for (int i = 0; i < components.length; i++)
 112       {
 113         Component comp = (Component) components[i];
 114
 115         // If the child's background has not been explicitly set yet,
 116         // it should inherit this container's background. This makes the
 117         // child component appear as if it has a transparent background.
 118         // Note that we do not alter the background property of the child,
 119         // but only repaint the child with the parent's background color.
 120         if (!comp.isBackgroundSet() && comp.getPeer() != null)
 121           comp.getPeer().setBackground(c);
 122       }
 123   }
 124
 125   public boolean isRestackSupported()
 126   {
 127       // FIXME: implement
 128     return false;
 129   }
 130
 131   public void cancelPendingPaint(int x, int y, int width, int height)
 132   {
 133     // FIXME: implement
 134   }
 135
 136   public void restack()
 137   {
 138       //FIXME: implement
 139
 140   }
 141 }