1 /*
   2  * Copyright (c) 1996, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package sun.awt.windows;
  26 
  27 import java.awt.*;
  28 import java.awt.peer.*;
  29 
  30 import sun.awt.SunGraphicsCallback;
  31 
  32 class WPanelPeer extends WCanvasPeer implements PanelPeer {
  33 
  34     // ComponentPeer overrides
  35 
  36     @Override
  37     public void paint(Graphics g) {
  38         super.paint(g);
  39         SunGraphicsCallback.PaintHeavyweightComponentsCallback.getInstance().
  40             runComponents(((Container)target).getComponents(), g,
  41                           SunGraphicsCallback.LIGHTWEIGHTS |
  42                           SunGraphicsCallback.HEAVYWEIGHTS);
  43     }
  44     @Override
  45     public void print(Graphics g) {
  46         super.print(g);
  47         SunGraphicsCallback.PrintHeavyweightComponentsCallback.getInstance().
  48             runComponents(((Container)target).getComponents(), g,
  49                           SunGraphicsCallback.LIGHTWEIGHTS |
  50                           SunGraphicsCallback.HEAVYWEIGHTS);
  51     }
  52 
  53     // ContainerPeer (via PanelPeer) implementation
  54 
  55     @Override
  56     public Insets getInsets() {
  57         return insets_;
  58     }
  59 
  60     // Toolkit & peer internals
  61 
  62     Insets insets_;
  63 
  64     static {
  65         initIDs();
  66     }
  67 
  68     /**
  69      * Initialize JNI field IDs
  70      */
  71     private static native void initIDs();
  72 
  73     WPanelPeer(Component target) {
  74         super(target);
  75     }
  76 
  77     @Override
  78     void initialize() {
  79         super.initialize();
  80         insets_ = new Insets(0,0,0,0);
  81 
  82         Color c = ((Component)target).getBackground();
  83         if (c == null) {
  84             c = WColor.getDefaultColor(WColor.WINDOW_BKGND);
  85             ((Component)target).setBackground(c);
  86             setBackground(c);
  87         }
  88         c = ((Component)target).getForeground();
  89         if (c == null) {
  90             c = WColor.getDefaultColor(WColor.WINDOW_TEXT);
  91             ((Component)target).setForeground(c);
  92             setForeground(c);
  93         }
  94     }
  95 
  96     /**
  97      * DEPRECATED:  Replaced by getInsets().
  98      */
  99     public Insets insets() {
 100         return getInsets();
 101     }
 102 }