/* * Copyright (c) 1998, 2008, 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 javax.swing.plaf.metal; import javax.swing.*;import java.awt.Color;import java.awt.Component;import java.awt.Container;import java.awt.Dimension;import java.awt.Frame;import java.awt.Graphics;import java.awt.GraphicsEnvironment;import java.awt.Insets;import java.awt.Point;import java.awt.Rectangle;import java.awt.event.*;import java.lang.ref.WeakReference;import java.util.*; import java.beans.PropertyChangeListener; import javax.swing.event.*;import javax.swing.border.*;import javax.swing.plaf.*;import javax.swing.plaf.basic.*; /** * A Metal Look and Feel implementation of ToolBarUI. This implementation * is a "combined" view/controller. * <p> * * @author Jeff Shapiro */public class MetalToolBarUI extends BasicToolBarUI{ /** * An array of WeakReferences that point to JComponents. This will contain * instances of JToolBars and JMenuBars and is used to find * JToolBars/JMenuBars that border each other. */ private static List<WeakReference<JComponent>> components = new ArrayList<WeakReference<JComponent>>(); /** * This protected field is implemenation specific. Do not access directly * or override. Use the create method instead. * * @see #createContainerListener */ protected ContainerListener contListener; /** * This protected field is implemenation specific. Do not access directly * or override. Use the create method instead. * * @see #createRolloverListener */ protected PropertyChangeListener rolloverListener; private static Border nonRolloverBorder; /** * Last menubar the toolbar touched. This is only useful for ocean. */ private JMenuBar lastMenuBar; /** * Registers the specified component. */ synchronized static void register(JComponent c) { if (c == null) { // Exception is thrown as convenience for callers that are // typed to throw an NPE. throw new NullPointerException("JComponent must be non-null"); } components.add(new WeakReference<JComponent>(c)); } /** * Unregisters the specified component. */ synchronized static void unregister(JComponent c) { for (int counter = components.size() - 1; counter >= 0; counter--) { // Search for the component, removing any flushed references // along the way. JComponent target = components.get(counter).get(); if (target == c || target == null) { components.remove(counter); } } } /** * Finds a previously registered component of class <code>target</code> * that shares the JRootPane ancestor of <code>from</code>. */ synchronized static Object findRegisteredComponentOfType(JComponent from, Class target) { JRootPane rp = SwingUtilities.getRootPane(from); if (rp != null) { for (int counter = components.size() - 1; counter >= 0; counter--){ Object component = ((WeakReference)components.get(counter)). get(); if (component == null) { // WeakReference has gone away, remove the WeakReference components.remove(counter); } else if (target.isInstance(component) && SwingUtilities. getRootPane((Component)component) == rp) { return component; } } } return null; } /** * Returns true if the passed in JMenuBar is above a horizontal * JToolBar. */ static boolean doesMenuBarBorderToolBar(JMenuBar c) { JToolBar tb = (JToolBar)MetalToolBarUI. findRegisteredComponentOfType(c, JToolBar.class); if (tb != null && tb.getOrientation() == JToolBar.HORIZONTAL) { JRootPane rp = SwingUtilities.getRootPane(c); Point point = new Point(0, 0); point = SwingUtilities.convertPoint(c, point, rp); int menuX = point.x; int menuY = point.y; point.x = point.y = 0; point = SwingUtilities.convertPoint(tb, point, rp); return (point.x == menuX && menuY + c.getHeight() == point.y && c.getWidth() == tb.getWidth()); } return false; } public static ComponentUI createUI( JComponent c ) { return new MetalToolBarUI(); } public void installUI( JComponent c ) { super.installUI( c ); register(c); } public void uninstallUI( JComponent c ) { super.uninstallUI( c ); nonRolloverBorder = null; unregister(c); } protected void installListeners() { super.installListeners(); contListener = createContainerListener(); if (contListener != null) { toolBar.addContainerListener(contListener); } rolloverListener = createRolloverListener(); if (rolloverListener != null) { toolBar.addPropertyChangeListener(rolloverListener); } } protected void uninstallListeners() { super.uninstallListeners(); if (contListener != null) { toolBar.removeContainerListener(contListener); } rolloverListener = createRolloverListener(); if (rolloverListener != null) { toolBar.removePropertyChangeListener(rolloverListener); } } protected Border createRolloverBorder() { return super.createRolloverBorder(); } protected Border createNonRolloverBorder() { return super.createNonRolloverBorder(); } /** * Creates a non rollover border for Toggle buttons in the toolbar. */ private Border createNonRolloverToggleBorder() { return createNonRolloverBorder(); } protected void setBorderToNonRollover(Component c) { if (c instanceof JToggleButton && !(c instanceof JCheckBox)) { // 4735514, 4886944: The method createNonRolloverToggleBorder() is // private in BasicToolBarUI so we can't override it. We still need // to call super from this method so that it can save away the // original border and then we install ours. // Before calling super we get a handle to the old border, because // super will install a non-UIResource border that we can't // distinguish from one provided by an application. JToggleButton b = (JToggleButton)c; Border border = b.getBorder(); super.setBorderToNonRollover(c); if (border instanceof UIResource) { if (nonRolloverBorder == null) { nonRolloverBorder = createNonRolloverToggleBorder(); } b.setBorder(nonRolloverBorder); } } else { super.setBorderToNonRollover(c); } } /** * Creates a container listener that will be added to the JToolBar. * If this method returns null then it will not be added to the * toolbar. * * @return an instance of a <code>ContainerListener</code> or null */ protected ContainerListener createContainerListener() { return null; } /** * Creates a property change listener that will be added to the JToolBar. * If this method returns null then it will not be added to the * toolbar. * * @return an instance of a <code>PropertyChangeListener</code> or null */ protected PropertyChangeListener createRolloverListener() { return null; } protected MouseInputListener createDockingListener( ) { return new MetalDockingListener( toolBar ); } protected void setDragOffset(Point p) { if (!GraphicsEnvironment.isHeadless()) { if (dragWindow == null) { dragWindow = createDragWindow(toolBar); } dragWindow.setOffset(p); } } /** * 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) { if (g == null) { throw new NullPointerException("graphics must be non-null"); } if (c.isOpaque() && (c.getBackground() instanceof UIResource) && ((JToolBar)c).getOrientation() == JToolBar.HORIZONTAL && UIManager.get( "MenuBar.gradient") != null) { JRootPane rp = SwingUtilities.getRootPane(c); JMenuBar mb = (JMenuBar)findRegisteredComponentOfType( c, JMenuBar.class); if (mb != null && mb.isOpaque() && (mb.getBackground() instanceof UIResource)) { Point point = new Point(0, 0); point = SwingUtilities.convertPoint(c, point, rp); int x = point.x; int y = point.y; point.x = point.y = 0; point = SwingUtilities.convertPoint(mb, point, rp); if (point.x == x && y == point.y + mb.getHeight() && mb.getWidth() == c.getWidth() && MetalUtils.drawGradient(c, g, "MenuBar.gradient", 0, -mb.getHeight(), c.getWidth(), c.getHeight() + mb.getHeight(), true)) { setLastMenuBar(mb); paint(g, c); return; } } if (MetalUtils.drawGradient(c, g, "MenuBar.gradient", 0, 0, c.getWidth(), c.getHeight(), true)) { setLastMenuBar(null); paint(g, c); return; } } setLastMenuBar(null); super.update(g, c); } private void setLastMenuBar(JMenuBar lastMenuBar) { if (MetalLookAndFeel.usingOcean()) { if (this.lastMenuBar != lastMenuBar) { // The menubar we previously touched has changed, force it // to repaint. if (this.lastMenuBar != null) { this.lastMenuBar.repaint(); } if (lastMenuBar != null) { lastMenuBar.repaint(); } this.lastMenuBar = lastMenuBar; } } } // No longer used. Cannot remove for compatibility reasons protected class MetalContainerListener extends BasicToolBarUI.ToolBarContListener {} // No longer used. Cannot remove for compatibility reasons protected class MetalRolloverListener extends BasicToolBarUI.PropertyListener {} protected class MetalDockingListener extends DockingListener { private boolean pressedInBumps = false; public MetalDockingListener(JToolBar t) { super(t); } public void mousePressed(MouseEvent e) { super.mousePressed(e); if (!toolBar.isEnabled()) { return; } pressedInBumps = false; Rectangle bumpRect = new Rectangle(); if (toolBar.getOrientation() == JToolBar.HORIZONTAL) { int x = MetalUtils.isLeftToRight(toolBar) ? 0 : toolBar.getSize().width-14; bumpRect.setBounds(x, 0, 14, toolBar.getSize().height); } else { // vertical bumpRect.setBounds(0, 0, toolBar.getSize().width, 14); } if (bumpRect.contains(e.getPoint())) { pressedInBumps = true; Point dragOffset = e.getPoint(); if (!MetalUtils.isLeftToRight(toolBar)) { dragOffset.x -= (toolBar.getSize().width - toolBar.getPreferredSize().width); } setDragOffset(dragOffset); } } public void mouseDragged(MouseEvent e) { if (pressedInBumps) { super.mouseDragged(e); } } } // end class MetalDockingListener}
/*
* Copyright (c) 1998, 2008, 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 javax.swing.plaf.metal;
import javax.swing.*;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.*;
import java.lang.ref.WeakReference;
import java.util.*;
import java.beans.PropertyChangeListener;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
/**
* A Metal Look and Feel implementation of ToolBarUI. This implementation
* is a "combined" view/controller.
* <p>
*
* @author Jeff Shapiro
*/
public class MetalToolBarUI extends BasicToolBarUI
{
/**
* An array of WeakReferences that point to JComponents. This will contain
* instances of JToolBars and JMenuBars and is used to find
* JToolBars/JMenuBars that border each other.
*/
private static List<WeakReference<JComponent>> components = new ArrayList<WeakReference<JComponent>>();
/**
* This protected field is implemenation specific. Do not access directly
* or override. Use the create method instead.
*
* @see #createContainerListener
*/
protected ContainerListener contListener;
/**
* This protected field is implemenation specific. Do not access directly
* or override. Use the create method instead.
*
* @see #createRolloverListener
*/
protected PropertyChangeListener rolloverListener;
private static Border nonRolloverBorder;
/**
* Last menubar the toolbar touched. This is only useful for ocean.
*/
private JMenuBar lastMenuBar;
/**
* Registers the specified component.
*/
synchronized static void register(JComponent c) {
if (c == null) {
// Exception is thrown as convenience for callers that are
// typed to throw an NPE.
throw new NullPointerException("JComponent must be non-null");
}
components.add(new WeakReference<JComponent>(c));
}
/**
* Unregisters the specified component.
*/
synchronized static void unregister(JComponent c) {
for (int counter = components.size() - 1; counter >= 0; counter--) {
// Search for the component, removing any flushed references
// along the way.
JComponent target = components.get(counter).get();
if (target == c || target == null) {
components.remove(counter);
}
}
}
/**
* Finds a previously registered component of class <code>target</code>
* that shares the JRootPane ancestor of <code>from</code>.
*/
synchronized static Object findRegisteredComponentOfType(JComponent from,
Class target) {
JRootPane rp = SwingUtilities.getRootPane(from);
if (rp != null) {
for (int counter = components.size() - 1; counter >= 0; counter--){
Object component = ((WeakReference)components.get(counter)).
get();
if (component == null) {
// WeakReference has gone away, remove the WeakReference
components.remove(counter);
}
else if (target.isInstance(component) && SwingUtilities.
getRootPane((Component)component) == rp) {
return component;
}
}
}
return null;
}
/**
* Returns true if the passed in JMenuBar is above a horizontal
* JToolBar.
*/
static boolean doesMenuBarBorderToolBar(JMenuBar c) {
JToolBar tb = (JToolBar)MetalToolBarUI.
findRegisteredComponentOfType(c, JToolBar.class);
if (tb != null && tb.getOrientation() == JToolBar.HORIZONTAL) {
JRootPane rp = SwingUtilities.getRootPane(c);
Point point = new Point(0, 0);
point = SwingUtilities.convertPoint(c, point, rp);
int menuX = point.x;
int menuY = point.y;
point.x = point.y = 0;
point = SwingUtilities.convertPoint(tb, point, rp);
return (point.x == menuX && menuY + c.getHeight() == point.y &&
c.getWidth() == tb.getWidth());
}
return false;
}
public static ComponentUI createUI( JComponent c )
{
return new MetalToolBarUI();
}
public void installUI( JComponent c )
{
super.installUI( c );
register(c);
}
public void uninstallUI( JComponent c )
{
super.uninstallUI( c );
nonRolloverBorder = null;
unregister(c);
}
protected void installListeners() {
super.installListeners();
contListener = createContainerListener();
if (contListener != null) {
toolBar.addContainerListener(contListener);
}
rolloverListener = createRolloverListener();
if (rolloverListener != null) {
toolBar.addPropertyChangeListener(rolloverListener);
}
}
protected void uninstallListeners() {
super.uninstallListeners();
if (contListener != null) {
toolBar.removeContainerListener(contListener);
}
rolloverListener = createRolloverListener();
if (rolloverListener != null) {
toolBar.removePropertyChangeListener(rolloverListener);
}
}
protected Border createRolloverBorder() {
return super.createRolloverBorder();
}
protected Border createNonRolloverBorder() {
return super.createNonRolloverBorder();
}
/**
* Creates a non rollover border for Toggle buttons in the toolbar.
*/
private Border createNonRolloverToggleBorder() {
return createNonRolloverBorder();
}
protected void setBorderToNonRollover(Component c) {
if (c instanceof JToggleButton && !(c instanceof JCheckBox)) {
// 4735514, 4886944: The method createNonRolloverToggleBorder() is
// private in BasicToolBarUI so we can't override it. We still need
// to call super from this method so that it can save away the
// original border and then we install ours.
// Before calling super we get a handle to the old border, because
// super will install a non-UIResource border that we can't
// distinguish from one provided by an application.
JToggleButton b = (JToggleButton)c;
Border border = b.getBorder();
super.setBorderToNonRollover(c);
if (border instanceof UIResource) {
if (nonRolloverBorder == null) {
nonRolloverBorder = createNonRolloverToggleBorder();
}
b.setBorder(nonRolloverBorder);
}
} else {
super.setBorderToNonRollover(c);
}
}
/**
* Creates a container listener that will be added to the JToolBar.
* If this method returns null then it will not be added to the
* toolbar.
*
* @return an instance of a <code>ContainerListener</code> or null
*/
protected ContainerListener createContainerListener() {
return null;
}
/**
* Creates a property change listener that will be added to the JToolBar.
* If this method returns null then it will not be added to the
* toolbar.
*
* @return an instance of a <code>PropertyChangeListener</code> or null
*/
protected PropertyChangeListener createRolloverListener() {
return null;
}
protected MouseInputListener createDockingListener( )
{
return new MetalDockingListener( toolBar );
}
protected void setDragOffset(Point p) {
if (!GraphicsEnvironment.isHeadless()) {
if (dragWindow == null) {
dragWindow = createDragWindow(toolBar);
}
dragWindow.setOffset(p);
}
}
/**
* 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) {
if (g == null) {
throw new NullPointerException("graphics must be non-null");
}
if (c.isOpaque() && (c.getBackground() instanceof UIResource) &&
((JToolBar)c).getOrientation() ==
JToolBar.HORIZONTAL && UIManager.get(
"MenuBar.gradient") != null) {
JRootPane rp = SwingUtilities.getRootPane(c);
JMenuBar mb = (JMenuBar)findRegisteredComponentOfType(
c, JMenuBar.class);
if (mb != null && mb.isOpaque() &&
(mb.getBackground() instanceof UIResource)) {
Point point = new Point(0, 0);
point = SwingUtilities.convertPoint(c, point, rp);
int x = point.x;
int y = point.y;
point.x = point.y = 0;
point = SwingUtilities.convertPoint(mb, point, rp);
if (point.x == x && y == point.y + mb.getHeight() &&
mb.getWidth() == c.getWidth() &&
MetalUtils.drawGradient(c, g, "MenuBar.gradient",
0, -mb.getHeight(), c.getWidth(), c.getHeight() +
mb.getHeight(), true)) {
setLastMenuBar(mb);
paint(g, c);
return;
}
}
if (MetalUtils.drawGradient(c, g, "MenuBar.gradient",
0, 0, c.getWidth(), c.getHeight(), true)) {
setLastMenuBar(null);
paint(g, c);
return;
}
}
setLastMenuBar(null);
super.update(g, c);
}
private void setLastMenuBar(JMenuBar lastMenuBar) {
if (MetalLookAndFeel.usingOcean()) {
if (this.lastMenuBar != lastMenuBar) {
// The menubar we previously touched has changed, force it
// to repaint.
if (this.lastMenuBar != null) {
this.lastMenuBar.repaint();
}
if (lastMenuBar != null) {
lastMenuBar.repaint();
}
this.lastMenuBar = lastMenuBar;
}
}
}
// No longer used. Cannot remove for compatibility reasons
protected class MetalContainerListener
extends BasicToolBarUI.ToolBarContListener {}
// No longer used. Cannot remove for compatibility reasons
protected class MetalRolloverListener
extends BasicToolBarUI.PropertyListener {}
protected class MetalDockingListener extends DockingListener {
private boolean pressedInBumps = false;
public MetalDockingListener(JToolBar t) {
super(t);
}
public void mousePressed(MouseEvent e) {
super.mousePressed(e);
if (!toolBar.isEnabled()) {
return;
}
pressedInBumps = false;
Rectangle bumpRect = new Rectangle();
if (toolBar.getOrientation() == JToolBar.HORIZONTAL) {
int x = MetalUtils.isLeftToRight(toolBar) ? 0 : toolBar.getSize().width-14;
bumpRect.setBounds(x, 0, 14, toolBar.getSize().height);
} else { // vertical
bumpRect.setBounds(0, 0, toolBar.getSize().width, 14);
}
if (bumpRect.contains(e.getPoint())) {
pressedInBumps = true;
Point dragOffset = e.getPoint();
if (!MetalUtils.isLeftToRight(toolBar)) {
dragOffset.x -= (toolBar.getSize().width
- toolBar.getPreferredSize().width);
}
setDragOffset(dragOffset);
}
}
public void mouseDragged(MouseEvent e) {
if (pressedInBumps) {
super.mouseDragged(e);
}
}
} // end class MetalDockingListener
}