1 /* 2 * Copyright (c) 1996, 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.*; 29 import java.awt.peer.*; 30 import java.awt.event.ActionEvent; 31 import java.awt.event.KeyEvent; 32 import java.awt.im.InputMethodRequests; 33 34 final class WTextFieldPeer extends WTextComponentPeer implements TextFieldPeer { 35 36 // WComponentPeer overrides 37 38 @Override 39 public Dimension getMinimumSize() { 40 FontMetrics fm = getFontMetrics(((TextField)target).getFont()); 41 return new Dimension(fm.stringWidth(getText()) + 24, 42 fm.getHeight() + 8); 43 } 44 45 @Override 46 public boolean handleJavaKeyEvent(KeyEvent e) { 47 switch (e.getID()) { 48 case KeyEvent.KEY_TYPED: 49 if ((e.getKeyChar() == '\n') && !e.isAltDown() && !e.isControlDown()) { 50 postEvent(new ActionEvent(target, ActionEvent.ACTION_PERFORMED, 51 getText(), e.getWhen(), e.getModifiers())); 52 return true; 53 } 54 break; 55 } 56 return false; 57 } 58 59 // TextFieldPeer implementation 60 61 @Override 62 public native void setEchoChar(char echoChar); 63 64 @Override 65 public Dimension getPreferredSize(int cols) { 66 return getMinimumSize(cols); 67 } 68 69 @Override 70 public Dimension getMinimumSize(int cols) { 71 FontMetrics fm = getFontMetrics(((TextField)target).getFont()); 72 return new Dimension(fm.charWidth('0') * cols + 24, fm.getHeight() + 8); 73 } 74 75 @Override 76 public InputMethodRequests getInputMethodRequests() { 77 return null; 78 } 79 80 // Toolkit & peer internals 81 82 WTextFieldPeer(TextField target) { 83 super(target); 84 } 85 86 @Override 87 native void create(WComponentPeer parent); 88 89 @Override 90 void initialize() { 91 TextField tf = (TextField)target; 92 if (tf.echoCharIsSet()) { 93 setEchoChar(tf.getEchoChar()); 94 } 95 super.initialize(); 96 } 97 }