1 /* 2 * Copyright (c) 2002, 2011, 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.X11; 26 27 import java.awt.*; 28 import java.awt.peer.*; 29 30 import sun.awt.SunGraphicsCallback; 31 32 public class XPanelPeer extends XCanvasPeer implements PanelPeer { 33 34 XEmbeddingContainer embedder = null; //new XEmbeddingContainer(); 35 /** 36 * Embeds the given window into container using XEmbed protocol 37 */ 38 public void xembed(long window) { 39 if (embedder != null) { 40 embedder.add(window); 41 } 42 } 43 XPanelPeer() {} 44 45 XPanelPeer(XCreateWindowParams params) { 46 super(params); 47 } 48 49 XPanelPeer(Component target) { 50 super(target); 51 } 52 53 void postInit(XCreateWindowParams params) { 54 super.postInit(params); 55 if (embedder != null) { 56 embedder.install(this); 57 } 58 } 59 60 public Insets getInsets() { 61 return new Insets(0, 0, 0, 0); 62 } 63 public void paint(Graphics g) { 64 super.paint(g); 65 SunGraphicsCallback.PaintHeavyweightComponentsCallback.getInstance(). 66 runComponents(((Container)target).getComponents(), g, 67 SunGraphicsCallback.LIGHTWEIGHTS | 68 SunGraphicsCallback.HEAVYWEIGHTS); 69 } 70 public void print(Graphics g) { 71 super.print(g); 72 SunGraphicsCallback.PrintHeavyweightComponentsCallback.getInstance(). 73 runComponents(((Container)target).getComponents(), g, 74 SunGraphicsCallback.LIGHTWEIGHTS | 75 SunGraphicsCallback.HEAVYWEIGHTS); 76 77 } 78 79 public void setBackground(Color c) { 80 Component comp; 81 int i; 82 83 Container cont = (Container) target; 84 synchronized(target.getTreeLock()) { 85 int n = cont.getComponentCount(); 86 for(i=0; i < n; i++) { 87 comp = cont.getComponent(i); 88 ComponentPeer peer = comp.getPeer(); 89 if (peer != null) { 90 Color color = comp.getBackground(); 91 if (color == null || color.equals(c)) { 92 peer.setBackground(c); 93 } 94 } 95 } 96 } 97 super.setBackground(c); 98 } 99 100 public void setForeground(Color c) { 101 setForegroundForHierarchy((Container) target, c); 102 } 103 104 private void setForegroundForHierarchy(Container cont, Color c) { 105 synchronized(target.getTreeLock()) { 106 int n = cont.getComponentCount(); 107 for(int i=0; i < n; i++) { 108 Component comp = cont.getComponent(i); 109 Color color = comp.getForeground(); 110 if (color == null || color.equals(c)) { 111 ComponentPeer cpeer = comp.getPeer(); 112 if (cpeer != null) { 113 cpeer.setForeground(c); 114 } 115 if (cpeer instanceof LightweightPeer 116 && comp instanceof Container) 117 { 118 setForegroundForHierarchy((Container) comp, c); 119 } 120 } 121 } 122 } 123 } 124 125 /** 126 * DEPRECATED: Replaced by getInsets(). 127 */ 128 public Insets insets() { 129 return getInsets(); 130 } 131 132 public void dispose() { 133 if (embedder != null) { 134 embedder.deinstall(); 135 } 136 super.dispose(); 137 } 138 139 protected boolean shouldFocusOnClick() { 140 // Return false if this container has children so in that case it won't 141 // be focused. Return true otherwise. 142 return ((Container)target).getComponentCount() == 0; 143 } 144 }