- /*
- * @(#)WindowsMenuUI.java 1.20 03/05/06
- *
- * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package com.sun.java.swing.plaf.windows;
-
- import java.awt.*;
- import java.awt.event.MouseEvent;
-
- import javax.swing.plaf.ComponentUI;
- import javax.swing.plaf.basic.BasicMenuUI;
- import javax.swing.plaf.basic.BasicGraphicsUtils;
- import javax.swing.event.MouseInputListener;
- import javax.swing.*;
-
- /**
- * Windows rendition of the component.
- * <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. A future release of Swing will provide support for
- * long term persistence.
- */
- public class WindowsMenuUI extends BasicMenuUI {
-
- private boolean isMouseOver = false;
-
- public static ComponentUI createUI(JComponent x) {
- return new WindowsMenuUI();
- }
-
- /**
- * Draws the background of the menu.
- * @since 1.4
- */
- protected void paintBackground(Graphics g, JMenuItem menuItem, Color bgColor) {
- JMenu menu = (JMenu)menuItem;
- ButtonModel model = menuItem.getModel();
-
- // Use superclass method for the old Windows LAF,
- // for submenus, and for XP toplevel if selected or pressed
- if (WindowsLookAndFeel.isClassicWindows() ||
- !menu.isTopLevelMenu() ||
- (XPStyle.getXP() != null && (model.isArmed() || model.isSelected()))) {
-
- super.paintBackground(g, menuItem, bgColor);
- return;
- }
-
- Color oldColor = g.getColor();
- int menuWidth = menuItem.getWidth();
- int menuHeight = menuItem.getHeight();
-
- UIDefaults table = UIManager.getLookAndFeelDefaults();
- Color highlight = table.getColor("controlLtHighlight");
- Color shadow = table.getColor("controlShadow");
-
- g.setColor(menuItem.getBackground());
- g.fillRect(0,0, menuWidth, menuHeight);
-
- if(menuItem.isOpaque()) {
- if (model.isArmed()|| (menuItem instanceof JMenu && model.isSelected())) {
- // Draw a lowered bevel border
- g.setColor(shadow);
- g.drawLine(0,0, menuWidth - 1,0);
- g.drawLine(0,0, 0,menuHeight - 2);
-
- g.setColor(highlight);
- g.drawLine(menuWidth - 1,0, menuWidth - 1,menuHeight - 2);
- g.drawLine(0,menuHeight - 2, menuWidth - 1,menuHeight - 2);
- } else {
- if (isMouseOver() && model.isEnabled()) {
- if (XPStyle.getXP() != null) {
- g.setColor(selectionBackground); // Uses protected field.
- g.fillRect(0, 0, menuWidth, menuHeight);
- } else {
- // Draw a raised bevel border
- g.setColor(highlight);
- g.drawLine(0,0, menuWidth - 1,0);
- g.drawLine(0,0, 0,menuHeight - 2);
-
- g.setColor(shadow);
- g.drawLine(menuWidth - 1,0, menuWidth - 1,menuHeight - 2);
- g.drawLine(0,menuHeight - 2, menuWidth - 1,menuHeight - 2);
- }
- } else {
- g.setColor(menuItem.getBackground());
- g.fillRect(0,0, menuWidth, menuHeight);
- }
- }
- }
- g.setColor(oldColor);
- }
-
- /**
- * Method which renders the text of the current menu item.
- * <p>
- * @param g Graphics context
- * @param menuItem Current menu item to render
- * @param textRect Bounding rectangle to render the text.
- * @param text String to render
- * @since 1.4
- */
- protected void paintText(Graphics g, JMenuItem menuItem, Rectangle textRect, String text) {
- // Note: This method is almost identical to the same method in WindowsMenuItemUI
- JMenu menu = (JMenu)menuItem;
- ButtonModel model = menuItem.getModel();
-
- if(!model.isEnabled()) {
- // *** paint the text disabled
- WindowsGraphicsUtils.paintText(g, menuItem, textRect, text, 0);
- } else {
- FontMetrics fm = g.getFontMetrics();
- int mnemonicIndex = menuItem.getDisplayedMnemonicIndex();
- // W2K Feature: Check to see if the Underscore should be rendered.
- if (WindowsLookAndFeel.isMnemonicHidden()) {
- mnemonicIndex = -1;
- }
-
- Color oldColor = g.getColor();
-
- // For Win95, the selected text color is the selection forground color
- if ((model.isSelected() && (WindowsLookAndFeel.isClassicWindows() ||
- !menu.isTopLevelMenu())) ||
- (XPStyle.getXP() != null && (isMouseOver() ||
- model.isArmed() ||
- model.isSelected()))) {
- g.setColor(selectionForeground); // Uses protected field.
- }
- BasicGraphicsUtils.drawStringUnderlineCharAt(g,text,
- mnemonicIndex,
- textRect.x,
- textRect.y + fm.getAscent());
- g.setColor(oldColor);
- }
- }
-
- /**
- * Set the temporary flag to indicate if the mouse has entered the menu.
- */
- private void setMouseOver(boolean over) {
- isMouseOver = over;
- }
-
- /**
- * Get the temporary flag to indicate if the mouse has entered the menu.
- */
- private boolean isMouseOver() {
- return isMouseOver;
- }
-
- protected MouseInputListener createMouseInputListener(JComponent c) {
- return new WindowsMouseInputHandler();
- }
-
- /**
- * This class implements a mouse handler that sets the rollover flag to
- * true when the mouse enters the menu and false when it exits.
- * @since 1.4
- */
- protected class WindowsMouseInputHandler extends BasicMenuUI.MouseInputHandler {
- public void mouseEntered(MouseEvent evt) {
- super.mouseEntered(evt);
- if (!WindowsLookAndFeel.isClassicWindows()) {
- setMouseOver(true);
- menuItem.repaint();
- }
- }
-
- public void mouseExited(MouseEvent evt) {
- super.mouseExited(evt);
- if (!WindowsLookAndFeel.isClassicWindows()) {
- setMouseOver(false);
- menuItem.repaint();
- }
- }
- }
- }
-