/*
* Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package javax.swing.plaf.metal;
import sun.swing.SwingUtilities2;
import sun.awt.AppContext;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.basic.*;
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import javax.swing.plaf.*;
/**
* MetalButtonUI implementation
* <p>
* <strong>Warning:</strong>
* Serialized objects of this class will not be compatible with
* future Swing releases. The current serialization support is
* appropriate for short term storage or RMI between applications running
* the same version of Swing. As of 1.4, support for long term storage
* of all JavaBeans™
* has been added to the <code>java.beans</code> package.
* Please see {@link java.beans.XMLEncoder}.
*
* @author Tom Santos
*/
@SuppressWarnings("serial") // Same-version serialization only
public class MetalButtonUI extends BasicButtonUI {
// NOTE: These are not really needed, but at this point we can't pull
// them. Their values are updated purely for historical reasons.
/**
* The color of the focused button.
*/
protected Color focusColor;
/**
* The color of the selected button.
*/
protected Color selectColor;
/**
* The color of the disabled color.
*/
protected Color disabledTextColor;
private static final Object METAL_BUTTON_UI_KEY = new Object();
// ********************************
// Create PLAF
// ********************************
/**
* Returns an instance of {@code MetalButtonUI}.
*
* @param c a component
* @return an instance of {@code MetalButtonUI}
*/
public static ComponentUI createUI(JComponent c) {
AppContext appContext = AppContext.getAppContext();
MetalButtonUI metalButtonUI =
(MetalButtonUI) appContext.get(METAL_BUTTON_UI_KEY);
if (metalButtonUI == null) {
metalButtonUI = new MetalButtonUI();
appContext.put(METAL_BUTTON_UI_KEY, metalButtonUI);
}
return metalButtonUI;
}
// ********************************
// Install
// ********************************
public void installDefaults(AbstractButton b) {
super.installDefaults(b);
}
public void uninstallDefaults(AbstractButton b) {
super.uninstallDefaults(b);
}
// ********************************
// Create Listeners
// ********************************
protected BasicButtonListener createButtonListener(AbstractButton b) {
return super.createButtonListener(b);
}
// ********************************
// Default Accessors
// ********************************
/**
* Returns the color of the selected button.
*
* @return the color of the selected button
*/
protected Color getSelectColor() {
selectColor = UIManager.getColor(getPropertyPrefix() + "select");
return selectColor;
}
/**
* Returns the color of a disabled text.
*
* @return the color of a disabled text
*/
protected Color getDisabledTextColor() {
disabledTextColor = UIManager.getColor(getPropertyPrefix() +
"disabledText");
return disabledTextColor;
}
/**
* Returns the color of the focused button.
*
* @return the color of the focused button
*/
protected Color getFocusColor() {
focusColor = UIManager.getColor(getPropertyPrefix() + "focus");
return focusColor;
}
// ********************************
// Paint
// ********************************
/**
* If necessary paints the background of the component, then
* invokes <code>paint</code>.
*
* @param g Graphics to paint to
* @param c JComponent painting on
* @throws NullPointerException if <code>g</code> or <code>c</code> is
* null
* @see javax.swing.plaf.ComponentUI#update
* @see javax.swing.plaf.ComponentUI#paint
* @since 1.5
*/
public void update(Graphics g, JComponent c) {
AbstractButton button = (AbstractButton)c;
if ((c.getBackground() instanceof UIResource) &&
button.isContentAreaFilled() && c.isEnabled()) {
ButtonModel model = button.getModel();
if (!MetalUtils.isToolBarButton(c)) {
if (!model.isArmed() && !model.isPressed() &&
MetalUtils.drawGradient(
c, g, "Button.gradient", 0, 0, c.getWidth(),
c.getHeight(), true)) {
paint(g, c);
return;
}
}
else if (model.isRollover() && MetalUtils.drawGradient(
c, g, "Button.gradient", 0, 0, c.getWidth(),
c.getHeight(), true)) {
paint(g, c);
return;
}
}
super.update(g, c);
}
protected void paintButtonPressed(Graphics g, AbstractButton b) {
if ( b.isContentAreaFilled() ) {
Dimension size = b.getSize();
g.setColor(getSelectColor());
g.fillRect(0, 0, size.width, size.height);
}
}
protected void paintFocus(Graphics g, AbstractButton b,
Rectangle viewRect, Rectangle textRect, Rectangle iconRect){
Rectangle focusRect = new Rectangle();
String text = b.getText();
boolean isIcon = b.getIcon() != null;
// If there is text
if ( text != null && !text.isEmpty()) {
if ( !isIcon ) {
focusRect.setBounds( textRect );
}
else {
focusRect.setBounds( iconRect.union( textRect ) );
}
}
// If there is an icon and no text
else if ( isIcon ) {
focusRect.setBounds( iconRect );
}
g.setColor(getFocusColor());
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