1 /* 2 * Copyright (c) 2013, 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 26 package sun.awt.windows; 27 28 import java.awt.Component; 29 import java.awt.Graphics; 30 import java.awt.event.ComponentEvent; 31 import java.awt.event.MouseEvent; 32 33 import sun.awt.LightweightFrame; 34 import sun.awt.LightweightFramePeer; 35 import sun.awt.LightweightFramePeerInterface; 36 import sun.swing.JLightweightFrame; 37 38 public class WLightweightFramePeer extends WFramePeer implements LightweightFramePeer { 39 40 public WLightweightFramePeer(LightweightFrame target) { 41 super(target); 42 } 43 44 private static WLightweightFramePeer lightweightFramePeerUnderMouse = null; 45 46 @Override 47 public void setLightweightFrameUnderMouse() { 48 lightweightFramePeerUnderMouse = this; 49 setLWFrameUnderMouse(this); 50 } 51 52 @Override 53 public boolean cleanLightweightFrameUnderMouse() { 54 if (lightweightFramePeerUnderMouse == this) { 55 lightweightFramePeerUnderMouse = null; 56 setLWFrameUnderMouse(null); 57 return true; 58 } 59 return false; 60 } 61 62 static JLightweightFrame getFrameUnderCursor() { 63 if (lightweightFramePeerUnderMouse == null) { 64 return null; 65 } else { 66 return (JLightweightFrame)lightweightFramePeerUnderMouse.getLwTarget(); 67 } 68 } 69 70 private static native void setLWFrameUnderMouse(WLightweightFramePeer lwFrame); 71 72 private LightweightFrame getLwTarget() { 73 return (LightweightFrame)target; 74 } 75 76 @Override 77 public Graphics getGraphics() { 78 return getLwTarget().getGraphics(); 79 } 80 81 @Override 82 public void show() { 83 super.show(); 84 postEvent(new ComponentEvent((Component)getTarget(), ComponentEvent.COMPONENT_SHOWN)); 85 } 86 87 @Override 88 public void hide() { 89 super.hide(); 90 postEvent(new ComponentEvent((Component)getTarget(), ComponentEvent.COMPONENT_HIDDEN)); 91 } 92 93 @Override 94 public void reshape(int x, int y, int width, int height) { 95 super.reshape(x, y, width, height); 96 postEvent(new ComponentEvent((Component) getTarget(), ComponentEvent.COMPONENT_MOVED)); 97 postEvent(new ComponentEvent((Component) getTarget(), ComponentEvent.COMPONENT_RESIZED)); 98 } 99 100 @Override 101 public void handleEvent(java.awt.AWTEvent e) { 102 if (e.getID() == MouseEvent.MOUSE_PRESSED) { 103 emulateActivation(true); 104 } 105 super.handleEvent(e); 106 } 107 108 @Override 109 public void grab() { 110 getLwTarget().grabFocus(); 111 } 112 113 @Override 114 public void ungrab() { 115 getLwTarget().ungrabFocus(); 116 } 117 }