| /* MetalToggleButtonUI.java |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing.plaf.metal; |
| |
| import java.awt.Color; |
| import java.awt.Font; |
| import java.awt.FontMetrics; |
| import java.awt.Graphics; |
| import java.awt.Rectangle; |
| |
| import javax.swing.AbstractButton; |
| import javax.swing.ButtonModel; |
| import javax.swing.JComponent; |
| import javax.swing.JToggleButton; |
| import javax.swing.SwingConstants; |
| import javax.swing.SwingUtilities; |
| import javax.swing.UIManager; |
| import javax.swing.plaf.ComponentUI; |
| import javax.swing.plaf.UIResource; |
| import javax.swing.plaf.basic.BasicButtonUI; |
| import javax.swing.plaf.basic.BasicToggleButtonUI; |
| |
| /** |
| * A UI delegate for the {@link JToggleButton} component. |
| */ |
| public class MetalToggleButtonUI |
| extends BasicToggleButtonUI |
| { |
| |
| /** The color for the focus border. */ |
| protected Color focusColor; |
| |
| /** The color that indicates a selected button. */ |
| protected Color selectColor; |
| |
| /** The color for disabled button labels. */ |
| protected Color disabledTextColor; |
| |
| /** |
| * Returns a new instance of <code>MetalToggleButtonUI</code>. |
| * |
| * @param component the component for which we return an UI instance |
| * |
| * @return A new instance of <code>MetalToggleButtonUI</code>. |
| */ |
| public static ComponentUI createUI(JComponent component) |
| { |
| return new MetalToggleButtonUI(); |
| } |
| |
| /** |
| * Constructs a new instance of <code>MetalToggleButtonUI</code>. |
| */ |
| public MetalToggleButtonUI() |
| { |
| super(); |
| } |
| |
| /** |
| * Returns the color for the focus border. |
| * |
| * @return the color for the focus border |
| */ |
| protected Color getFocusColor() |
| { |
| return focusColor; |
| } |
| |
| /** |
| * Returns the color that indicates a selected button. |
| * |
| * @return the color that indicates a selected button |
| */ |
| protected Color getSelectColor() |
| { |
| return selectColor; |
| } |
| |
| /** |
| * Returns the color for the text label of disabled buttons. The value |
| * is initialised in the {@link #installDefaults(AbstractButton)} method |
| * by reading the <code>ToggleButton.disabledText</code> item from the UI |
| * defaults. |
| * |
| * @return The color for the text label of disabled buttons. |
| */ |
| protected Color getDisabledTextColor() |
| { |
| return disabledTextColor; |
| } |
| |
| /** |
| * Updates the button with the defaults for this look and feel. |
| * |
| * @param b the button. |
| */ |
| public void installDefaults(AbstractButton b) |
| { |
| super.installDefaults(b); |
| focusColor = UIManager.getColor(getPropertyPrefix() + "focus"); |
| selectColor = UIManager.getColor(getPropertyPrefix() + "select"); |
| disabledTextColor = UIManager.getColor(getPropertyPrefix() + "disabledText"); |
| } |
| |
| /** |
| * Paints the button background when it is pressed/selected. |
| * |
| * @param g the graphics device. |
| * @param b the button. |
| */ |
| protected void paintButtonPressed(Graphics g, AbstractButton b) |
| { |
| if (b.isContentAreaFilled() && b.isOpaque()) |
| { |
| Color saved = g.getColor(); |
| Rectangle bounds = SwingUtilities.getLocalBounds(b); |
| g.setColor(selectColor); |
| g.fillRect(bounds.x, bounds.y, bounds.width, bounds.height); |
| g.setColor(saved); |
| } |
| } |
| |
| /** |
| * Paints the text for the button. |
| * |
| * As of JDK 1.4 this method is obsolete. |
| * Use {@link BasicButtonUI#paintText(java.awt.Graphics, |
| * javax.swing.AbstractButton, java.awt.Rectangle, java.lang.String)}. |
| * |
| * @param g the graphics device. |
| * @param c the component. |
| * @param textRect the bounds for the text. |
| * @param text the text. |
| * |
| */ |
| protected void paintText(Graphics g, JComponent c, Rectangle textRect, |
| String text) |
| { |
| Font savedFont = g.getFont(); |
| Color savedColor = g.getColor(); |
| g.setFont(c.getFont()); |
| if (c.isEnabled()) |
| g.setColor(c.getForeground()); |
| else |
| g.setColor(disabledTextColor); |
| FontMetrics fm = g.getFontMetrics(c.getFont()); |
| int ascent = fm.getAscent(); |
| g.drawString(text, textRect.x, textRect.y + ascent); |
| g.setFont(savedFont); |
| g.setColor(savedColor); |
| } |
| |
| /** |
| * Draws the focus highlight around the text and icon. |
| * |
| * @param g the graphics device. |
| * @param b the button. |
| */ |
| protected void paintFocus(Graphics g, AbstractButton b, Rectangle viewRect, |
| Rectangle textRect, Rectangle iconRect) |
| { |
| if (!b.hasFocus()) |
| return; |
| Color saved = g.getColor(); |
| g.setColor(focusColor); |
| Rectangle fr = iconRect.union(textRect); |
| g.drawRect(fr.x - 1, fr.y - 1, fr.width + 1, fr.height + 1); |
| g.setColor(saved); |
| } |
| |
| /** |
| * If the property <code>ToggleButton.gradient</code> is set, then a gradient |
| * is painted as background, otherwise the normal superclass behaviour is |
| * called. |
| */ |
| public void update(Graphics g, JComponent c) |
| { |
| AbstractButton b = (AbstractButton) c; |
| ButtonModel m = b.getModel(); |
| if (b.getBackground() instanceof UIResource |
| && b.isContentAreaFilled() |
| && b.isEnabled() && ! m.isArmed() && ! m.isPressed() |
| && UIManager.get(getPropertyPrefix() + "gradient") != null) |
| { |
| MetalUtils.paintGradient(g, 0, 0, c.getWidth(), c.getHeight(), |
| SwingConstants.VERTICAL, |
| getPropertyPrefix() + "gradient"); |
| paint(g, c); |
| } |
| else |
| super.update(g, c); |
| } |
| |
| } |