- /*
- * @(#)SynthPopupMenuUI.java 1.21 03/12/19
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package javax.swing.plaf.synth;
-
- import javax.swing.*;
- import javax.swing.event.*;
- import javax.swing.plaf.*;
- import javax.swing.plaf.basic.*;
- import javax.swing.border.*;
-
- import java.applet.Applet;
-
- import java.awt.Component;
- import java.awt.Container;
- import java.awt.Dimension;
- import java.awt.Graphics;
- import java.awt.KeyboardFocusManager;
- import java.awt.Window;
- import java.awt.event.*;
- import java.awt.AWTEvent;
- import java.awt.Toolkit;
-
- import java.beans.PropertyChangeListener;
- import java.beans.PropertyChangeEvent;
-
- import java.util.*;
- import sun.swing.plaf.synth.SynthUI;
-
- /**
- * Synth's PopupMenuUI.
- *
- * @version 1.21, 12/19/03
- * @author Georges Saab
- * @author David Karlton
- * @author Arnaud Weber
- */
- class SynthPopupMenuUI extends BasicPopupMenuUI implements
- PropertyChangeListener, SynthUI {
- /**
- * Maximum size of the text portion of the children menu items.
- */
- private int maxTextWidth;
-
- /**
- * Maximum size of the text for the acclerator portion of the children
- * menu items.
- */
- private int maxAcceleratorWidth;
-
- private SynthStyle style;
-
- public static ComponentUI createUI(JComponent x) {
- return new SynthPopupMenuUI();
- }
-
- public void installDefaults() {
- if (popupMenu.getLayout() == null ||
- popupMenu.getLayout() instanceof UIResource) {
- popupMenu.setLayout(new DefaultMenuLayout(
- popupMenu, BoxLayout.Y_AXIS));
- }
- updateStyle(popupMenu);
- }
-
- private void updateStyle(JComponent c) {
- SynthContext context = getContext(c, ENABLED);
- SynthStyle oldStyle = style;
- style = SynthLookAndFeel.updateStyle(context, this);
- if (style != oldStyle) {
- if (oldStyle != null) {
- uninstallKeyboardActions();
- installKeyboardActions();
- }
- }
- context.dispose();
- }
-
- protected void installListeners() {
- super.installListeners();
- popupMenu.addPropertyChangeListener(this);
- }
-
- protected void uninstallDefaults() {
- SynthContext context = getContext(popupMenu, ENABLED);
-
- style.uninstallDefaults(context);
- context.dispose();
- style = null;
-
- if (popupMenu.getLayout() instanceof UIResource) {
- popupMenu.setLayout(null);
- }
- }
-
- protected void uninstallListeners() {
- super.uninstallListeners();
- popupMenu.removePropertyChangeListener(this);
- }
-
- public SynthContext getContext(JComponent c) {
- return getContext(c, getComponentState(c));
- }
-
- private SynthContext getContext(JComponent c, int state) {
- return SynthContext.getContext(SynthContext.class, c,
- SynthLookAndFeel.getRegion(c), style, state);
- }
-
- private Region getRegion(JComponent c) {
- return SynthLookAndFeel.getRegion(c);
- }
-
- private int getComponentState(JComponent c) {
- return SynthLookAndFeel.getComponentState(c);
- }
-
- /**
- * Resets the max text and accerator widths.
- */
- void resetAcceleratorWidths() {
- maxTextWidth = maxAcceleratorWidth = 0;
- }
-
- /**
- * Adjusts the width needed to display the maximum menu item string.
- *
- * @param width Text width.
- * @return max width
- */
- int adjustTextWidth(int width) {
- maxTextWidth = Math.max(maxTextWidth, width);
- return maxTextWidth;
- }
-
- /**
- * Adjusts the width needed to display the maximum accelerator.
- *
- * @param width Text width.
- * @return max width
- */
- int adjustAcceleratorWidth(int width) {
- maxAcceleratorWidth = Math.max(maxAcceleratorWidth, width);
- return maxAcceleratorWidth;
- }
-
- /**
- * Maximum size to display text of children menu items.
- */
- int getMaxTextWidth() {
- return maxTextWidth;
- }
-
- /**
- * Maximum size needed to display accelerators of children menu items.
- */
- int getMaxAcceleratorWidth() {
- return maxAcceleratorWidth;
- }
-
- public void update(Graphics g, JComponent c) {
- SynthContext context = getContext(c);
-
- SynthLookAndFeel.update(context, g);
- context.getPainter().paintPopupMenuBackground(context,
- g, 0, 0, c.getWidth(), c.getHeight());
- paint(context, g);
- context.dispose();
- }
-
- public void paint(Graphics g, JComponent c) {
- SynthContext context = getContext(c);
-
- paint(context, g);
- context.dispose();
- }
-
- protected void paint(SynthContext context, Graphics g) {
- }
-
- public void paintBorder(SynthContext context, Graphics g, int x,
- int y, int w, int h) {
- context.getPainter().paintPopupMenuBorder(context, g, x, y, w, h);
- }
-
- public void propertyChange(PropertyChangeEvent e) {
- if (SynthLookAndFeel.shouldUpdateStyle(e)) {
- updateStyle(popupMenu);
- }
- }
- }