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 import java.awt.event.ActionEvent; 30 import java.awt.event.KeyEvent; 31 32 final class WButtonPeer extends WComponentPeer implements ButtonPeer { 33 34 static { 35 initIDs(); 36 } 37 38 // ComponentPeer overrides 39 40 @Override 41 public Dimension getMinimumSize() { 42 FontMetrics fm = getFontMetrics(((Button)target).getFont()); 43 String label = ((Button)target).getLabel(); 44 if ( label == null ) { 45 label = ""; 46 } 47 return new Dimension(fm.stringWidth(label) + 14, 48 fm.getHeight() + 8); 49 } 50 @Override 51 public boolean isFocusable() { 52 return true; 53 } 54 55 // ButtonPeer implementation 56 57 @Override 58 public native void setLabel(String label); 59 60 // Toolkit & peer internals 61 62 WButtonPeer(Button target) { 63 super(target); 64 } 65 66 @Override 67 native void create(WComponentPeer peer); 68 69 // native callbacks 70 71 // NOTE: This is called on the privileged toolkit thread. Do not 72 // call directly into user code using this thread! 73 public void handleAction(final long when, final int modifiers) { 74 // Fixed 5064013: the InvocationEvent time should be equals 75 // the time of the ActionEvent 76 WToolkit.executeOnEventHandlerThread(target, new Runnable() { 77 @Override 78 public void run() { 79 postEvent(new ActionEvent(target, ActionEvent.ACTION_PERFORMED, 80 ((Button)target).getActionCommand(), 81 when, modifiers)); 82 } 83 }, when); 84 } 85 86 87 @Override 88 public boolean shouldClearRectBeforePaint() { 89 return false; 90 } 91 92 /** 93 * Initialize JNI field and method IDs 94 */ 95 private static native void initIDs(); 96 97 @Override 98 @SuppressWarnings("deprecation") 99 public boolean handleJavaKeyEvent(KeyEvent e) { 100 switch (e.getID()) { 101 case KeyEvent.KEY_RELEASED: 102 if (e.getKeyCode() == KeyEvent.VK_SPACE){ 103 handleAction(e.getWhen(), e.getModifiers()); 104 } 105 break; 106 } 107 return false; 108 } 109 }