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 37 public class WLightweightFramePeer extends WFramePeer implements LightweightFramePeer { 38 39 public WLightweightFramePeer(LightweightFrame target) { 40 super(target); 41 } 42 43 private static WLightweightFramePeer lightweightFramePeerUnderMouse = null; 44 45 @Override 46 public void setLightWeightFrameUnderMouse() { 47 lightweightFramePeerUnderMouse = this; 48 setLWFrameUnderMouse(this); 49 } 50 51 @Override 52 public boolean cleanLightWeightFrameUnderMouse() { 53 if (lightweightFramePeerUnderMouse == this) { 54 lightweightFramePeerUnderMouse = this; 55 setLWFrameUnderMouse(null); 56 return true; 57 } 58 return false; 59 } 60 61 static LightweightFrame getFrameUnderCursor() { 62 return lightweightFramePeerUnderMouse == null ? null : lightweightFramePeerUnderMouse.getLwTarget(); 63 } 64 65 private static native void setLWFrameUnderMouse(WLightweightFramePeer lwFrame); 66 67 private LightweightFrame getLwTarget() { 68 return (LightweightFrame)target; 69 } 70 71 @Override 72 public Graphics getGraphics() { 73 return getLwTarget().getGraphics(); 74 } 75 76 @Override 77 public void show() { 78 super.show(); 79 postEvent(new ComponentEvent((Component)getTarget(), ComponentEvent.COMPONENT_SHOWN)); 80 } 81 82 @Override 83 public void hide() { 84 super.hide(); 85 postEvent(new ComponentEvent((Component)getTarget(), ComponentEvent.COMPONENT_HIDDEN)); 86 } 87 88 @Override 89 public void reshape(int x, int y, int width, int height) { 90 super.reshape(x, y, width, height); 91 postEvent(new ComponentEvent((Component) getTarget(), ComponentEvent.COMPONENT_MOVED)); 92 postEvent(new ComponentEvent((Component) getTarget(), ComponentEvent.COMPONENT_RESIZED)); 93 } 94 95 @Override 96 public void handleEvent(java.awt.AWTEvent e) { 97 if (e.getID() == MouseEvent.MOUSE_PRESSED) { 98 emulateActivation(true); 99 } 100 super.handleEvent(e); 101 } 102 103 @Override 104 public void grab() { 105 getLwTarget().grabFocus(); 106 } 107 108 @Override 109 public void ungrab() { 110 getLwTarget().ungrabFocus(); 111 } 112 }