J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2002-2007 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 | |
| 64 | public void paint(Graphics g) { |
| 65 | super.paint(g); |
| 66 | /* SunGraphicsCallback.PaintHeavyweightComponentsCallback.getInstance(). |
| 67 | runComponents(((Container)target).getComponents(), g, |
| 68 | SunGraphicsCallback.LIGHTWEIGHTS | |
| 69 | SunGraphicsCallback.HEAVYWEIGHTS); |
| 70 | */ } |
| 71 | public void print(Graphics g) { |
| 72 | super.print(g); |
| 73 | SunGraphicsCallback.PrintHeavyweightComponentsCallback.getInstance(). |
| 74 | runComponents(((Container)target).getComponents(), g, |
| 75 | SunGraphicsCallback.LIGHTWEIGHTS | |
| 76 | SunGraphicsCallback.HEAVYWEIGHTS); |
| 77 | |
| 78 | } |
| 79 | |
| 80 | public void setBackground(Color c) { |
| 81 | Component comp; |
| 82 | int i; |
| 83 | |
| 84 | Container cont = (Container) target; |
| 85 | synchronized(target.getTreeLock()) { |
| 86 | int n = cont.getComponentCount(); |
| 87 | for(i=0; i < n; i++) { |
| 88 | comp = cont.getComponent(i); |
| 89 | ComponentPeer peer = comp.getPeer(); |
| 90 | if (peer != null) { |
| 91 | Color color = comp.getBackground(); |
| 92 | if (color == null || color.equals(c)) { |
| 93 | peer.setBackground(c); |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | } |
| 98 | super.setBackground(c); |
| 99 | } |
| 100 | |
| 101 | public void setForeground(Color c) { |
| 102 | setForegroundForHierarchy((Container) target, c); |
| 103 | } |
| 104 | |
| 105 | private void setForegroundForHierarchy(Container cont, Color c) { |
| 106 | synchronized(target.getTreeLock()) { |
| 107 | int n = cont.getComponentCount(); |
| 108 | for(int i=0; i < n; i++) { |
| 109 | Component comp = cont.getComponent(i); |
| 110 | Color color = comp.getForeground(); |
| 111 | if (color == null || color.equals(c)) { |
| 112 | ComponentPeer cpeer = comp.getPeer(); |
| 113 | if (cpeer != null) { |
| 114 | cpeer.setForeground(c); |
| 115 | } |
| 116 | if (cpeer instanceof LightweightPeer |
| 117 | && comp instanceof Container) |
| 118 | { |
| 119 | setForegroundForHierarchy((Container) comp, c); |
| 120 | } |
| 121 | } |
| 122 | } |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * DEPRECATED: Replaced by getInsets(). |
| 128 | */ |
| 129 | public Insets insets() { |
| 130 | return getInsets(); |
| 131 | } |
| 132 | |
| 133 | /* |
| 134 | * This method is called from XWindowPeer.displayChanged, when |
| 135 | * the window this Panel is on is moved to the new screen, or |
| 136 | * display mode is changed. |
| 137 | * |
| 138 | * The notification is propagated to the child Canvas components. |
| 139 | * Top-level windows and other Panels are notified too as their |
| 140 | * peers are subclasses of XCanvasPeer. |
| 141 | */ |
| 142 | public void displayChanged(int screenNum) { |
| 143 | super.displayChanged(screenNum); |
| 144 | displayChanged((Container)target, screenNum); |
| 145 | } |
| 146 | |
| 147 | /* |
| 148 | * Recursively iterates through all the HW and LW children |
| 149 | * of the container and calls displayChanged() for HW peers. |
| 150 | * Iteration through children peers only is not enough as the |
| 151 | * displayChanged notification may not be propagated to HW |
| 152 | * components inside LW containers, see 4452373 for details. |
| 153 | */ |
| 154 | private static void displayChanged(Container target, int screenNum) { |
| 155 | Component children[] = ((Container)target).getComponents(); |
| 156 | for (Component child : children) { |
| 157 | ComponentPeer cpeer = child.getPeer(); |
| 158 | if (cpeer instanceof XCanvasPeer) { |
| 159 | ((XCanvasPeer)cpeer).displayChanged(screenNum); |
| 160 | } else if (child instanceof Container) { |
| 161 | displayChanged((Container)child, screenNum); |
| 162 | } |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | public void dispose() { |
| 167 | if (embedder != null) { |
| 168 | embedder.deinstall(); |
| 169 | } |
| 170 | super.dispose(); |
| 171 | } |
| 172 | |
| 173 | protected boolean shouldFocusOnClick() { |
| 174 | // Return false if this container has children so in that case it won't |
| 175 | // be focused. Return true otherwise. |
| 176 | return ((Container)target).getComponentCount() == 0; |
| 177 | } |
| 178 | } |