1 /* BasicToggleButtonUI.java 2 Copyright (C) 2002, 2004, 2005, 2006, Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 6 GNU Classpath is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU Classpath is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 21 Linking this library statically or dynamically with other modules is 22 making a combined work based on this library. Thus, the terms and 23 conditions of the GNU General Public License cover the whole 24 combination. 25 26 As a special exception, the copyright holders of this library give you 27 permission to link this library with independent modules to produce an 28 executable, regardless of the license terms of these independent 29 modules, and to copy and distribute the resulting executable under 30 terms of your choice, provided that you also meet, for each linked 31 independent module, the terms and conditions of the license of that 32 module. An independent module is a module which is not derived from 33 or based on this library. If you modify this library, you may extend 34 this exception to your version of the library, but you are not 35 obligated to do so. If you do not wish to do so, delete this 36 exception statement from your version. */ 37 38 39 package javax.swing.plaf.basic; 40 41 import java.awt.Font; 42 import java.awt.Graphics; 43 import java.awt.Rectangle; 44 45 import javax.swing.AbstractButton; 46 import javax.swing.JComponent; 47 import javax.swing.JToggleButton; 48 import javax.swing.SwingUtilities; 49 import javax.swing.UIManager; 50 import javax.swing.plaf.ComponentUI; 51 52 /** 53 * A UI delegate for the {@link JToggleButton} component. 54 */ 55 public class BasicToggleButtonUI extends BasicButtonUI 56 { 57 58 /** 59 * Returns a UI delegate for the specified component. 60 * 61 * @param component the component (should be an instance of 62 * {@link JToggleButton}). 63 * 64 * @return An instance of <code>BasicToggleButtonUI</code>. 65 */ createUI(JComponent component)66 public static ComponentUI createUI(JComponent component) 67 { 68 return new BasicToggleButtonUI(); 69 } 70 71 /** 72 * Returns the prefix for entries in the {@link UIManager} defaults table 73 * (<code>"ToggleButton."</code> in this case). 74 * 75 * @return <code>"ToggleButton."</code> 76 */ getPropertyPrefix()77 protected String getPropertyPrefix() 78 { 79 return "ToggleButton."; 80 } 81 82 /** 83 * Paint the component, which is an {@link AbstractButton}, according to 84 * its current state. 85 * 86 * @param g The graphics context to paint with 87 * @param c The component to paint the state of 88 */ paint(Graphics g, JComponent c)89 public void paint(Graphics g, JComponent c) 90 { 91 AbstractButton b = (AbstractButton) c; 92 93 Rectangle tr = new Rectangle(); 94 Rectangle ir = new Rectangle(); 95 Rectangle vr = new Rectangle(); 96 97 Font f = c.getFont(); 98 99 g.setFont(f); 100 101 if (b.isBorderPainted()) 102 SwingUtilities.calculateInnerArea(b, vr); 103 else 104 vr = SwingUtilities.getLocalBounds(b); 105 String text = SwingUtilities.layoutCompoundLabel(c, g.getFontMetrics(f), 106 b.getText(), currentIcon(b), b.getVerticalAlignment(), 107 b.getHorizontalAlignment(), b.getVerticalTextPosition(), 108 b.getHorizontalTextPosition(), vr, ir, tr, b.getIconTextGap() 109 + defaultTextShiftOffset); 110 111 if ((b.getModel().isArmed() && b.getModel().isPressed()) 112 || b.isSelected()) 113 paintButtonPressed(g, b); 114 115 paintIcon(g, b, ir); 116 if (text != null) 117 paintText(g, b, tr, text); 118 if (b.isFocusOwner() && b.isFocusPainted()) 119 paintFocus(g, b, vr, tr, ir); 120 } 121 122 /** 123 * Paints the icon for the toggle button. This delegates to 124 * {@link BasicButtonUI#paintIcon(Graphics, JComponent, Rectangle)}. 125 * 126 * @param g the graphics context 127 * @param b the button to paint the icon for 128 * @param iconRect the area allocated for the icon 129 */ paintIcon(Graphics g, AbstractButton b, Rectangle iconRect)130 protected void paintIcon(Graphics g, AbstractButton b, Rectangle iconRect) 131 { 132 super.paintIcon(g, b, iconRect); 133 } 134 } 135