FileDocCategorySizeDatePackage
WindowsMenuUI.javaAPI DocJava SE 6 API9292Tue Jun 10 00:21:58 BST 2008com.sun.java.swing.plaf.windows

WindowsMenuUI

public class WindowsMenuUI extends BasicMenuUI
Windows rendition of the component.

Warning: 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.

Fields Summary
protected Integer
menuBarHeight
protected boolean
hotTrackingOn
final WindowsMenuItemUIAccessor
accessor
Constructors Summary
Methods Summary
protected javax.swing.event.MouseInputListenercreateMouseInputListener(javax.swing.JComponent c)

        return new WindowsMouseInputHandler();
public static javax.swing.plaf.ComponentUIcreateUI(javax.swing.JComponent x)

         
	return new WindowsMenuUI();
protected java.awt.DimensiongetPreferredMenuItemSize(javax.swing.JComponent c, javax.swing.Icon checkIcon, javax.swing.Icon arrowIcon, int defaultTextIconGap)


	Dimension d = super.getPreferredMenuItemSize(c, checkIcon, arrowIcon,
						     defaultTextIconGap);

	// Note: When toolbar containers (rebars) are implemented, only do
	// this if the JMenuBar is not in a rebar (i.e. ignore the desktop
	// property win.menu.height if in a rebar.)
	if (c instanceof JMenu && ((JMenu)c).isTopLevelMenu() &&
	    menuBarHeight != null && d.height < menuBarHeight) {

	    d.height = menuBarHeight;
	}

	return d;
protected voidinstallDefaults()

	super.installDefaults();
	if (!WindowsLookAndFeel.isClassicWindows()) {
	    menuItem.setRolloverEnabled(true);
	}

	menuBarHeight = (Integer)UIManager.getInt("MenuBar.height");

	Object obj      = UIManager.get("MenuBar.rolloverEnabled");
	hotTrackingOn = (obj instanceof Boolean) ? (Boolean)obj : true;
protected voidpaintBackground(java.awt.Graphics g, javax.swing.JMenuItem menuItem, java.awt.Color bgColor)
Draws the background of the menu.

since
1.4

        if (WindowsMenuItemUI.isVistaPainting()) {
            WindowsMenuItemUI.paintBackground(accessor, g, menuItem, bgColor);
            return;
        } 
        
	JMenu menu = (JMenu)menuItem;
	ButtonModel model = menu.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, menu, bgColor);
	    return;
	}

	Color oldColor = g.getColor();
        int menuWidth = menu.getWidth();
        int menuHeight = menu.getHeight();

	UIDefaults table = UIManager.getLookAndFeelDefaults();
	Color highlight = table.getColor("controlLtHighlight");
	Color shadow = table.getColor("controlShadow");

	g.setColor(menu.getBackground());
	g.fillRect(0,0, menuWidth, menuHeight);

        if (menu.isOpaque()) {
            if (model.isArmed() || 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 (model.isRollover() && model.isEnabled()) {
		// Only paint rollover if no other menu on menubar is selected
		boolean otherMenuSelected = false;
		MenuElement[] menus = ((JMenuBar)menu.getParent()).getSubElements();
		for (int i = 0; i < menus.length; i++) {
		    if (((JMenuItem)menus[i]).isSelected()) {
			otherMenuSelected = true;
			break;
		    }
		}
		if (!otherMenuSelected) {
		    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);
		    }
		}
            }
        }
	g.setColor(oldColor);
protected voidpaintText(java.awt.Graphics g, javax.swing.JMenuItem menuItem, java.awt.Rectangle textRect, java.lang.String text)
Method which renders the text of the current menu item.

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

        if (WindowsMenuItemUI.isVistaPainting()) {
            WindowsMenuItemUI.paintText(accessor, g, menuItem, textRect, text);
            return;
        }
	JMenu menu = (JMenu)menuItem;
	ButtonModel model = menuItem.getModel();
        Color oldColor = g.getColor();

	// Only paint rollover if no other menu on menubar is selected
	boolean paintRollover = model.isRollover();
	if (paintRollover && menu.isTopLevelMenu()) {
	    MenuElement[] menus = ((JMenuBar)menu.getParent()).getSubElements();
	    for (int i = 0; i < menus.length; i++) {
		if (((JMenuItem)menus[i]).isSelected()) {
		    paintRollover = false;
		    break;
		}
	    }
	}

	if ((model.isSelected() && (WindowsLookAndFeel.isClassicWindows() ||
				    !menu.isTopLevelMenu())) ||
	    (XPStyle.getXP() != null && (paintRollover ||
					 model.isArmed() ||
					 model.isSelected()))) {
	    g.setColor(selectionForeground); // Uses protected field.
	}

        WindowsGraphicsUtils.paintText(g, menuItem, textRect, text, 0);
 
        g.setColor(oldColor);