mirror of
https://github.com/autc04/Retro68.git
synced 2025-03-03 17:30:03 +00:00
302 lines
9.1 KiB
Java
302 lines
9.1 KiB
Java
/* BasicRadioButtonUI.java
|
|
Copyright (C) 2002, 2004, 2006, 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.basic;
|
|
|
|
import java.awt.Color;
|
|
import java.awt.Dimension;
|
|
import java.awt.Font;
|
|
import java.awt.Graphics;
|
|
import java.awt.Insets;
|
|
import java.awt.Rectangle;
|
|
|
|
import javax.swing.AbstractButton;
|
|
import javax.swing.ButtonModel;
|
|
import javax.swing.Icon;
|
|
import javax.swing.JComponent;
|
|
import javax.swing.SwingUtilities;
|
|
import javax.swing.UIManager;
|
|
import javax.swing.plaf.ComponentUI;
|
|
import javax.swing.text.View;
|
|
|
|
/**
|
|
* The BasicLookAndFeel UI implementation for
|
|
* {@link javax.swing.JRadioButton}s.
|
|
*/
|
|
public class BasicRadioButtonUI extends BasicToggleButtonUI
|
|
{
|
|
/**
|
|
* The default icon for JRadioButtons. The default icon displays the usual
|
|
* RadioButton and is sensible to the selection state of the button,
|
|
* and can be used both as normal icon as well as selectedIcon.
|
|
*/
|
|
protected Icon icon;
|
|
|
|
/**
|
|
* Creates and returns a new instance of <code>BasicRadioButtonUI</code>.
|
|
*
|
|
* @return a new instance of <code>BasicRadioButtonUI</code>
|
|
*/
|
|
public static ComponentUI createUI(final JComponent c)
|
|
{
|
|
return new BasicRadioButtonUI();
|
|
}
|
|
|
|
/**
|
|
* Creates a new instance of <code>BasicButtonUI</code>.
|
|
*/
|
|
public BasicRadioButtonUI()
|
|
{
|
|
// nothing to do
|
|
}
|
|
|
|
/**
|
|
* Installs defaults from the Look & Feel table on the specified
|
|
* button.
|
|
*
|
|
* @param b the button on which to install the defaults
|
|
*/
|
|
protected void installDefaults(AbstractButton b)
|
|
{
|
|
super.installDefaults(b);
|
|
icon = UIManager.getIcon(getPropertyPrefix() + "icon");
|
|
}
|
|
|
|
/**
|
|
* Returns the prefix used for UIDefaults properties. This is
|
|
* <code>RadioButton</code> in this case.
|
|
*
|
|
* @return the prefix used for UIDefaults properties
|
|
*/
|
|
protected String getPropertyPrefix()
|
|
{
|
|
return "RadioButton.";
|
|
}
|
|
|
|
/**
|
|
* Returns the default icon for JRadioButtons.
|
|
* The default icon displays the usual
|
|
* RadioButton and is sensible to the selection state of the button,
|
|
* and can be used both as normal icon as well as selectedIcon.
|
|
*
|
|
* @return the default icon for JRadioButtons
|
|
*/
|
|
public Icon getDefaultIcon()
|
|
{
|
|
return icon;
|
|
}
|
|
|
|
/**
|
|
* Paints the RadioButton.
|
|
*
|
|
* @param g the Graphics context to paint with
|
|
* @param c the button to paint
|
|
*/
|
|
public void paint(Graphics g, JComponent c)
|
|
{
|
|
AbstractButton b = (AbstractButton) c;
|
|
Dimension size = c.getSize();
|
|
Insets i = b.getInsets();
|
|
textR.x = 0;
|
|
textR.y = 0;
|
|
textR.width = 0;
|
|
textR.height = 0;
|
|
iconR.x = 0;
|
|
iconR.y = 0;
|
|
iconR.width = 0;
|
|
iconR.height = 0;
|
|
viewR.x = i.left;
|
|
viewR.y = i.right;
|
|
viewR.width = size.width - i.left - i.right;
|
|
viewR.height = size.height - i.top - i.bottom;
|
|
|
|
Font f = c.getFont();
|
|
|
|
g.setFont(f);
|
|
|
|
// This is the icon that we use for layout.
|
|
Icon icon = b.getIcon();
|
|
if (icon == null)
|
|
icon = getDefaultIcon();
|
|
|
|
// Figure out the correct icon.
|
|
Icon currentIcon = getCurrentIcon(b);
|
|
|
|
// Do the layout.
|
|
String text = SwingUtilities.layoutCompoundLabel(c, g.getFontMetrics(f),
|
|
b.getText(), currentIcon == null ? getDefaultIcon() : currentIcon,
|
|
b.getVerticalAlignment(), b.getHorizontalAlignment(),
|
|
b.getVerticalTextPosition(), b.getHorizontalTextPosition(),
|
|
viewR, iconR, textR, b.getIconTextGap());
|
|
|
|
// .. and paint it.
|
|
if (currentIcon != null)
|
|
currentIcon.paintIcon(c, g, iconR.x, iconR.y);
|
|
|
|
// Paint text and focus indicator.
|
|
if (text != null)
|
|
{
|
|
// Maybe render HTML in the radio button.
|
|
View v = (View) c.getClientProperty(BasicHTML.propertyKey);
|
|
if (v != null)
|
|
v.paint(g, textR);
|
|
else
|
|
paintText(g, b, textR, text);
|
|
|
|
// Paint focus indicator if necessary.
|
|
if (b.hasFocus() && b.isFocusPainted()
|
|
&& textR.width > 0 && textR.height > 0)
|
|
paintFocus(g, textR, size);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determines the icon to be displayed for the specified radio button.
|
|
*
|
|
* @param b the radio button
|
|
*
|
|
* @return the icon
|
|
*/
|
|
private Icon getCurrentIcon(AbstractButton b)
|
|
{
|
|
ButtonModel m = b.getModel();
|
|
Icon currentIcon = b.getIcon();
|
|
|
|
if (currentIcon == null)
|
|
{
|
|
currentIcon = getDefaultIcon();
|
|
}
|
|
else
|
|
{
|
|
if (! m.isEnabled())
|
|
{
|
|
if (m.isSelected())
|
|
currentIcon = b.getDisabledSelectedIcon();
|
|
else
|
|
currentIcon = b.getDisabledIcon();
|
|
}
|
|
else if (m.isPressed() && m.isArmed())
|
|
{
|
|
currentIcon = b.getPressedIcon();
|
|
if (currentIcon == null)
|
|
currentIcon = b.getSelectedIcon();
|
|
}
|
|
else if (m.isSelected())
|
|
{
|
|
if (b.isRolloverEnabled() && m.isRollover())
|
|
{
|
|
currentIcon = b.getRolloverSelectedIcon();
|
|
if (currentIcon == null)
|
|
currentIcon = b.getSelectedIcon();
|
|
}
|
|
else
|
|
currentIcon = b.getSelectedIcon();
|
|
}
|
|
else if (b.isRolloverEnabled() && m.isRollover())
|
|
{
|
|
currentIcon = b.getRolloverIcon();
|
|
}
|
|
if (currentIcon == null)
|
|
currentIcon = b.getIcon();
|
|
}
|
|
return currentIcon;
|
|
}
|
|
|
|
public Dimension getPreferredSize(JComponent c)
|
|
{
|
|
// This is basically the same code as in
|
|
// BasicGraphicsUtils.getPreferredButtonSize() but takes the default icon
|
|
// property into account. JRadioButton and subclasses always have an icon:
|
|
// the check box. If the user explicitly changes it with setIcon() that
|
|
// one will be used for layout calculations and painting instead.
|
|
// The other icon properties are ignored.
|
|
AbstractButton b = (AbstractButton) c;
|
|
|
|
Insets insets = b.getInsets();
|
|
|
|
String text = b.getText();
|
|
Icon i = b.getIcon();
|
|
if (i == null)
|
|
i = getDefaultIcon();
|
|
|
|
textR.x = 0;
|
|
textR.y = 0;
|
|
textR.width = 0;
|
|
textR.height = 0;
|
|
iconR.x = 0;
|
|
iconR.y = 0;
|
|
iconR.width = 0;
|
|
iconR.height = 0;
|
|
viewR.x = 0;
|
|
viewR.y = 0;
|
|
viewR.width = Short.MAX_VALUE;
|
|
viewR.height = Short.MAX_VALUE;
|
|
|
|
SwingUtilities.layoutCompoundLabel(b, // for the component orientation
|
|
b.getFontMetrics(b.getFont()),
|
|
text, i, b.getVerticalAlignment(),
|
|
b.getHorizontalAlignment(),
|
|
b.getVerticalTextPosition(),
|
|
b.getHorizontalTextPosition(),
|
|
viewR, iconR, textR,
|
|
text == null ? 0 : b.getIconTextGap());
|
|
|
|
Rectangle r = SwingUtilities.computeUnion(textR.x, textR.y, textR.width,
|
|
textR.height, iconR);
|
|
|
|
return new Dimension(insets.left + r.width + insets.right,
|
|
insets.top + r.height + insets.bottom);
|
|
}
|
|
|
|
/**
|
|
* Paints the focus indicator for JRadioButtons.
|
|
*
|
|
* @param g the graphics context
|
|
* @param tr the rectangle for the text label
|
|
* @param size the size of the <code>JRadioButton</code> component.
|
|
*/
|
|
protected void paintFocus(Graphics g, Rectangle tr, Dimension size)
|
|
{
|
|
Color focusColor = UIManager.getColor(getPropertyPrefix() + ".focus");
|
|
Color saved = g.getColor();
|
|
g.setColor(focusColor);
|
|
g.drawRect(tr.x, tr.y, tr.width, tr.height);
|
|
g.setColor(saved);
|
|
}
|
|
}
|