JDK14/Java14源码在线阅读
/*
* Copyright (c) 2011, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.apple.laf;
import java.awt.*;
import java.awt.event.*;
import java.beans.PropertyChangeEvent;
import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.event.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import javax.swing.text.View;
import sun.swing.SwingUtilities2;
import apple.laf.JRSUIConstants.Size;
import com.apple.laf.AquaButtonExtendedTypes.TypeSpecifier;
import com.apple.laf.AquaUtilControlSize.Sizeable;
import com.apple.laf.AquaUtils.*;
public class AquaButtonUI extends BasicButtonUI implements Sizeable {
private static final String BUTTON_TYPE = "JButton.buttonType";
private static final String SEGMENTED_BUTTON_POSITION = "JButton.segmentPosition";
private static final RecyclableSingleton<AquaButtonUI> buttonUI = new RecyclableSingletonFromDefaultConstructor<AquaButtonUI>(AquaButtonUI.class);
public static ComponentUI createUI(final JComponent c) {
return buttonUI.get();
}
// Has the shared instance defaults been initialized?
private boolean defaults_initialized = false;
private Color defaultDisabledTextColor = null;
protected void installDefaults(final AbstractButton b) {
// load shared instance defaults
final String pp = getPropertyPrefix();
if (!defaults_initialized) {
defaultDisabledTextColor = UIManager.getColor(pp + "disabledText");
defaults_initialized = true;
}
setButtonMarginIfNeeded(b, UIManager.getInsets(pp + "margin"));
LookAndFeel.installColorsAndFont(b, pp + "background", pp + "foreground", pp + "font");
LookAndFeel.installProperty(b, "opaque", UIManager.getBoolean(pp + "opaque"));
final Object borderProp = b.getClientProperty(BUTTON_TYPE);
boolean hasBorder = false;
if (borderProp != null) {
hasBorder = setButtonType(b, borderProp);
}
if (!hasBorder) setThemeBorder(b);
final Object segmentProp = b.getClientProperty(SEGMENTED_BUTTON_POSITION);
if (segmentProp != null) {
final Border border = b.getBorder();
if (!(border instanceof AquaBorder)) return;
b.setBorder(AquaButtonExtendedTypes.getBorderForPosition(b, b.getClientProperty(BUTTON_TYPE), segmentProp));
}
}
public void applySizeFor(final JComponent c, final Size size) {
// this space intentionally left blank
// (subclasses need to do work here)
}
protected void setThemeBorder(final AbstractButton b) {
// Set the correct border
final ButtonUI genericUI = b.getUI();
if (!(genericUI instanceof AquaButtonUI)) return;
final AquaButtonUI ui = (AquaButtonUI)genericUI;
Border border = b.getBorder();
if (!ui.isBorderFromProperty(b) && (border == null || border instanceof UIResource || border instanceof AquaButtonBorder)) {
// See BasicGraphicsUtils.getPreferredButtonSize - it returns null for preferred size,
// causing it to use the subcomponent's size, which doesn't allow space for Aqua pushbuttons
boolean iconFont = true;
if (isOnToolbar(b)) {
if (b instanceof JToggleButton) {
border = AquaButtonBorder.getToolBarButtonBorder();
} else {
border = AquaButtonBorder.getBevelButtonBorder();
}
} else if (b.getIcon() != null || b.getComponentCount() > 0) {
// radar 3308129 && (b.getText() == null || b.getText().equals("")))
// we used to only do this for buttons that had images and no text
// now we do it for all buttons that have any images - they cannot
// be a default button.
border = AquaButtonBorder.getToggleButtonBorder();
} else {
border = UIManager.getBorder(getPropertyPrefix() + "border");
iconFont = false;
}
b.setBorder(border);
final Font currentFont = b.getFont();
if (iconFont && (currentFont == null || currentFont instanceof UIResource)) {
b.setFont(UIManager.getFont("IconButton.font"));
}
}
}
protected static boolean isOnToolbar(final AbstractButton b) {
Component parent = b.getParent();
while (parent != null) {
if (parent instanceof JToolBar) return true;
parent = parent.getParent();
}
return false;
}
// A state that affects border has changed. Make sure we have the right one
protected static void updateBorder(final AbstractButton b) {
// See if the button has overridden the automatic button type
final Object prop = b.getClientProperty(BUTTON_TYPE);
if (prop != null) return;
final ButtonUI ui = b.getUI();
if (!(ui instanceof AquaButtonUI)) return;
if (b.getBorder() != null) ((AquaButtonUI)ui).setThemeBorder(b);
}
protected void setButtonMarginIfNeeded(final AbstractButton b, final Insets insets) {
final Insets margin = b.getMargin();
if (margin == null || (margin instanceof UIResource)) {
b.setMargin(insets);
}
}
public boolean isBorderFromProperty(final AbstractButton button) {
return button.getClientProperty(BUTTON_TYPE) != null;
}
protected boolean setButtonType(final AbstractButton b, final Object prop) {
if (!(prop instanceof String)) {
b.putClientProperty(BUTTON_TYPE, null); // so we know to use the automatic button type
return false;
}
final String buttonType = (String)prop;
boolean iconFont = true;
final TypeSpecifier specifier = AquaButtonExtendedTypes.getSpecifierByName(buttonType);
if (specifier != null) {
b.setBorder(specifier.getBorder());
iconFont = specifier.setIconFont;
}
final Font currentFont = b.getFont();
if (currentFont == null || currentFont instanceof UIResource) {
b.setFont(UIManager.getFont(iconFont ? "IconButton.font" : "Button.font"));
}
return true;
}
protected void installListeners(final AbstractButton b) {
final AquaButtonListener listener = createButtonListener(b);
if (listener != null) {
// put the listener in the button's client properties so that
// we can get at it later
b.putClientProperty(this, listener);
b.addMouseListener(listener);
b.addMouseMotionListener(listener);
b.addFocusListener(listener);
b.addPropertyChangeListener(listener);
b.addChangeListener(listener);
b.addAncestorListener(listener);
}
installHierListener(b);
AquaUtilControlSize.addSizePropertyListener(b);
}
protected void installKeyboardActions(final AbstractButton b) {
final BasicButtonListener listener = (BasicButtonListener)b.getClientProperty(this);
if (listener != null) listener.installKeyboardActions(b);
}
// Uninstall PLAF
public void uninstallUI(final JComponent c) {
uninstallKeyboardActions((AbstractButton)c);
uninstallListeners((AbstractButton)c);
uninstallDefaults((AbstractButton)c);
//BasicHTML.updateRenderer(c, "");
}
protected void uninstallKeyboardActions(final AbstractButton b) {
final BasicButtonListener listener = (BasicButtonListener)b.getClientProperty(this);
if (listener != null) listener.uninstallKeyboardActions(b);
}
protected void uninstallListeners(final AbstractButton b) {
final AquaButtonListener listener = (AquaButtonListener)b.getClientProperty(this);
b.putClientProperty(this, null);
if (listener != null) {
b.removeMouseListener(listener);
b.removeMouseListener(listener);
b.removeMouseMotionListener(listener);
b.removeFocusListener(listener);
b.removeChangeListener(listener);
b.removePropertyChangeListener(listener);
b.removeAncestorListener(listener);
}
uninstallHierListener(b);
AquaUtilControlSize.addSizePropertyListener(b);
}
protected void uninstallDefaults(final AbstractButton b) {
LookAndFeel.uninstallBorder(b);
defaults_initialized = false;
}
// Create Listeners
protected AquaButtonListener createButtonListener(final AbstractButton b) {
return new AquaButtonListener(b);
}
// Paint Methods
public void paint(final Graphics g, final JComponent c) {
final AbstractButton b = (AbstractButton)c;
final ButtonModel model = b.getModel();
final Insets i = c.getInsets();
Rectangle viewRect = new Rectangle(b.getWidth(), b.getHeight());
Rectangle iconRect = new Rectangle();
Rectangle textRect = new Rectangle();
// we are overdrawing here with translucent colors so we get
// a darkening effect. How can we avoid it. Try clear rect?
if (b.isOpaque()) {
g.setColor(c.getBackground());
g.fillRect(viewRect.x, viewRect.y, viewRect.width, viewRect.height);
}
AquaButtonBorder aquaBorder = null;
if (((AbstractButton)c).isBorderPainted()) {
final Border border = c.getBorder();
if (border instanceof AquaButtonBorder) {
// only do this if borders are on!
// this also takes care of focus painting.
aquaBorder = (AquaButtonBorder)border;
aquaBorder.paintButton(c, g, viewRect.x, viewRect.y, viewRect.width, viewRect.height);
}
} else {
if (b.isOpaque()) {
viewRect.x = i.left - 2;
viewRect.y = i.top - 2;
viewRect.width = b.getWidth() - (i.right + viewRect.x) + 4;
viewRect.height = b.getHeight() - (i.bottom + viewRect.y) + 4;
if (b.isContentAreaFilled() || model.isSelected()) {
if (model.isSelected()) // Toggle buttons
g.setColor(c.getBackground().darker());
else g.setColor(c.getBackground());
g.fillRect(viewRect.x, viewRect.y, viewRect.width, viewRect.height);
}
}
// needs focus to be painted
// for now we don't know exactly what to do...we'll see!
if (b.isFocusPainted() && b.hasFocus()) {
// paint UI specific focus
paintFocus(g, b, viewRect, textRect, iconRect);
}
}
// performs icon and text rect calculations
final String text = layoutAndGetText(g, b, aquaBorder, i, viewRect, iconRect, textRect);
// Paint the Icon
if (b.getIcon() != null) {
paintIcon(g, b, iconRect);
}
if (textRect.width == 0) {
textRect.width = 50;
}
if (text != null && !text.isEmpty()) {
final View v = (View)c.getClientProperty(BasicHTML.propertyKey);
if (v != null) {
v.paint(g, textRect);
} else {
paintText(g, b, textRect, text);
}
}
}
protected String layoutAndGetText(final Graphics g, final AbstractButton b, final AquaButtonBorder aquaBorder, final Insets i, Rectangle viewRect, Rectangle iconRect, Rectangle textRect) {
// re-initialize the view rect to the selected insets
viewRect.x = i.left;
viewRect.y = i.top;
viewRect.width = b.getWidth() - (i.right + viewRect.x);
viewRect.height = b.getHeight() - (i.bottom + viewRect.y);
// reset the text and icon rects
textRect.x = textRect.y = textRect.width = textRect.height = 0;
iconRect.x = iconRect.y = iconRect.width = iconRect.height = 0;
// setup the font
g.setFont(b.getFont());
final FontMetrics fm = g.getFontMetrics();
// layout the text and icon
final String originalText = b.getText();
final String text = SwingUtilities.layoutCompoundLabel(b, fm, originalText, b.getIcon(), b.getVerticalAlignment(), b.getHorizontalAlignment(), b.getVerticalTextPosition(), b.getHorizontalTextPosition(), viewRect, iconRect, textRect, originalText == null ? 0 : b.getIconTextGap());
if (text == originalText || aquaBorder == null) return text; // everything fits
// if the text didn't fit - check if the aqua border has alternate Insets that are more adhering
final Insets alternateContentInsets = aquaBorder.getContentInsets(b, b.getWidth(), b.getHeight());
if (alternateContentInsets != null) {
// recursively call and don't pass AquaBorder
return layoutAndGetText(g, b, null, alternateContentInsets, viewRect, iconRect, textRect);
}
// there is no Aqua border, go with what we've got
return text;
}
protected void paintIcon(final Graphics g, final AbstractButton b, final Rectangle localIconRect) {
final ButtonModel model = b.getModel();
Icon icon = b.getIcon();
Icon tmpIcon = null;
if (icon == null) return;
if (!model.isEnabled()) {
if (model.isSelected()) {
tmpIcon = b.getDisabledSelectedIcon();
} else {
tmpIcon = b.getDisabledIcon();
}
} else if (model.isPressed() && model.isArmed()) {
tmpIcon = b.getPressedIcon();
if (tmpIcon == null) {
if (icon instanceof ImageIcon) {
tmpIcon = new ImageIcon(AquaUtils.generateSelectedDarkImage(((ImageIcon)icon).getImage()));
}
}
} else if (b.isRolloverEnabled() && model.isRollover()) {
if (model.isSelected()) {
tmpIcon = b.getRolloverSelectedIcon();
} else {
tmpIcon = b.getRolloverIcon();
}
} else if (model.isSelected()) {
tmpIcon = b.getSelectedIcon();
}
if (model.isEnabled() && b.isFocusOwner() && b.getBorder() instanceof AquaButtonBorder.Toolbar) {
if (tmpIcon == null) tmpIcon = icon;
if (tmpIcon instanceof ImageIcon) {
tmpIcon = AquaFocus.createFocusedIcon(tmpIcon, b, 3);
tmpIcon.paintIcon(b, g, localIconRect.x - 3, localIconRect.y - 3);
return;
}
}
if (tmpIcon != null) {
icon = tmpIcon;
}
icon.paintIcon(b, g, localIconRect.x, localIconRect.y);
}
/**
* As of Java 2 platform v 1.4 this method should not be used or overriden.
* Use the paintText method which takes the AbstractButton argument.
*/
protected void paintText(final Graphics g, final JComponent c, final Rectangle localTextRect, final String text) {
final Graphics2D g2d = g instanceof Graphics2D ? (Graphics2D)g : null;
final AbstractButton b = (AbstractButton)c;
final ButtonModel model = b.getModel();
final FontMetrics fm = g.getFontMetrics();
final int mnemonicIndex = AquaMnemonicHandler.isMnemonicHidden() ? -1 : b.getDisplayedMnemonicIndex();
/* Draw the Text */
if (model.isEnabled()) {
/*** paint the text normally */
g.setColor(b.getForeground());
} else {
/*** paint the text disabled ***/
g.setColor(defaultDisabledTextColor);
}
SwingUtilities2.drawStringUnderlineCharAt(c, g, text, mnemonicIndex, localTextRect.x, localTextRect.y + fm.getAscent());
}
protected void paintText(final Graphics g, final AbstractButton b, final Rectangle localTextRect, final String text) {
paintText(g, (JComponent)b, localTextRect, text);
}
protected void paintButtonPressed(final Graphics g, final AbstractButton b) {
paint(g, b);
}
// Layout Methods
public Dimension getMinimumSize(final JComponent c) {
final Dimension d = getPreferredSize(c);
final View v = (View)c.getClientProperty(BasicHTML.propertyKey);
if (v != null) {
d.width -= v.getPreferredSpan(View.X_AXIS) - v.getMinimumSpan(View.X_AXIS);
}
return d;
}
public Dimension getPreferredSize(final JComponent c) {
final AbstractButton b = (AbstractButton)c;
// fix for Radar #3134273
final Dimension d = BasicGraphicsUtils.getPreferredButtonSize(b, b.getIconTextGap());
if (d == null) return null;
final Border border = b.getBorder();
if (border instanceof AquaButtonBorder) {
((AquaButtonBorder)border).alterPreferredSize(d);
}
return d;
}
public Dimension getMaximumSize(final JComponent c) {
final Dimension d = getPreferredSize(c);
final View v = (View)c.getClientProperty(BasicHTML.propertyKey);
if (v != null) {
d.width += v.getMaximumSpan(View.X_AXIS) - v.getPreferredSpan(View.X_AXIS);
}
return d;
}
private static final RecyclableSingleton<AquaHierarchyButtonListener> fHierListener = new RecyclableSingletonFromDefaultConstructor<AquaHierarchyButtonListener>(AquaHierarchyButtonListener.class);
static AquaHierarchyButtonListener getAquaHierarchyButtonListener() {
return fHierListener.get();
}
// We need to know when ordinary JButtons are put on JToolbars, but not JComboBoxButtons
// JToggleButtons always have the same border
private boolean shouldInstallHierListener(final AbstractButton b) {
return (b instanceof JButton || b instanceof JToggleButton && !(b instanceof AquaComboBoxButton) && !(b instanceof JCheckBox) && !(b instanceof JRadioButton));
}
protected void installHierListener(final AbstractButton b) {
if (shouldInstallHierListener(b)) {
// super put the listener in the button's client properties
b.addHierarchyListener(getAquaHierarchyButtonListener());
}
}
protected void uninstallHierListener(final AbstractButton b) {
if (shouldInstallHierListener(b)) {
b.removeHierarchyListener(getAquaHierarchyButtonListener());
}
}
static class AquaHierarchyButtonListener implements HierarchyListener {
// Everytime a hierarchy is change we need to check if the button if moved on or from
// a toolbar. If that is the case, we need to re-set the border of the button.
public void hierarchyChanged(final HierarchyEvent e) {
if ((e.getChangeFlags() & HierarchyEvent.PARENT_CHANGED) == 0) return;
final Object o = e.getSource();
if (!(o instanceof AbstractButton)) return;
final AbstractButton b = (AbstractButton)o;
final ButtonUI ui = b.getUI();
if (!(ui instanceof AquaButtonUI)) return;
if (!(b.getBorder() instanceof UIResource)) return; // if the border is not one of ours, or null
((AquaButtonUI)ui).setThemeBorder(b);
}
}
class AquaButtonListener extends BasicButtonListener implements AncestorListener {
protected final AbstractButton b;
public AquaButtonListener(final AbstractButton b) {
super(b);
this.b = b;
}
public void focusGained(final FocusEvent e) {
((Component)e.getSource()).repaint();
}
public void focusLost(final FocusEvent e) {
// 10-06-03 VL: [Radar 3187049]
// If focusLost arrives while the button has been left-clicked this would disarm the button,
// causing actionPerformed not to fire on mouse release!
//b.getModel().setArmed(false);
((Component)e.getSource()).repaint();
}
public void propertyChange(final PropertyChangeEvent e) {
super.propertyChange(e);
final String propertyName = e.getPropertyName();
/**代码未完, 请加载全部代码(NowJava.com).**/
关注时代Java
关注时代Java