javax.swing.JRootPane#repaint ( )源码实例Demo

/**
 * Uninstalls any state that <code>installClientDecorations</code> has
 * installed.
 * <p>
 * NOTE: This may be called if you haven't installed client decorations
 * yet (ie before <code>installClientDecorations</code> has been invoked).
 *
 * @param root the root
 */
private void uninstallClientDecorations(JRootPane root) 
{
	uninstallBorder(root);
	uninstallWindowListeners(root);
	setTitlePane(root, null);
	uninstallLayout(root);
	// We have to revalidate/repaint root if the style is JRootPane.NONE
	// only. When we needs to call revalidate/repaint with other styles
	// the installClientDecorations is always called after this method
	// imediatly and it will cause the revalidate/repaint at the proper
	// time.
	int style = root.getWindowDecorationStyle();
	if (style == JRootPane.NONE) 
	{
		root.repaint();
		root.revalidate();
	}
	// Reset the cursor, as we may have changed it to a resize cursor
	if (window != null) 
	{
		window.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
	}
	window = null;
}
 

/**
 * Installs the necessary state onto the JRootPane to render client
 * decorations. This is ONLY invoked if the <code>JRootPane</code> has a
 * decoration style other than <code>JRootPane.NONE</code>.
 *
 * @param root the JRootPane.
 */
private void installClientDecorations(JRootPane root) {
    installBorder(root);
    if (root.getParent() instanceof JFrame || root.getParent() instanceof JDialog) {
        if (PlatformUtils.isMac()) {
            makeFrameBackgroundTransparent(root);
        } else {
            shapeWindow(root);
        }
    }

    JComponent titlePane = createTitlePane(root);

    setTitlePane(root, titlePane);
    installWindowListeners(root, root.getParent());
    installLayout(root);
    if (window != null) {
        root.revalidate();
        root.repaint();
    }
}
 

/**
 * Uninstalls any state that <code>installClientDecorations</code> has
 * installed.
 *
 * <p>NOTE: This may be called if you haven't installed client decorations
 * yet (ie before <code>installClientDecorations</code> has been invoked).
 * </p>
 *
 * @param root the JRootPane.
 */
private void uninstallClientDecorations(JRootPane root) {
    uninstallBorder(root);
    uninstallWindowListeners(root);
    setTitlePane(root, null);
    uninstallLayout(root);
    // We have to revalidate/repaint root if the style is JRootPane.NONE
    // only. When we needs to call revalidate/repaint with other styles
    // the installClientDecorations is always called after this method
    // imediatly and it will cause the revalidate/repaint at the proper
    // time.
    int style = root.getWindowDecorationStyle();

    if (style == JRootPane.NONE) {
        root.repaint();
        root.revalidate();
    }
    // Reset the cursor, as we may have changed it to a resize cursor
    if (window != null) {
        window.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
    }

    window = null;
}
 

private void removeFloater() {
    if (mFloater != null) {
        JRootPane rootPane = getRootPane();
        Container parent   = mFloater.getParent();
        Rectangle bounds   = mFloater.getBounds();
        UIUtilities.convertRectangle(bounds, parent, rootPane);
        if (parent != null) {
            parent.remove(mFloater);
        }
        mFloater = null;
        if (rootPane != null) {
            rootPane.repaint(bounds);
        }
    }
}
 

protected void uninstallOther(JRootPane root)
{
    Container content = root.getContentPane();

    if (content != null && content instanceof LuckBackgroundPanel)
    {
        LuckBackgroundPanel bgPanel = (LuckBackgroundPanel) content;

        root.setContentPane(bgPanel.getContentPane());

        root.setJMenuBar(bgPanel.getJMenuBar());

        bgPanel.uninstallMenubar(true);
    }

    int style = root.getWindowDecorationStyle();

    if (style == JRootPane.NONE)
    {
        root.repaint();

        root.revalidate();
    }

    Window window = SwingUtilities.getWindowAncestor(root);

    if (window != null)
    {
        window.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
    }
}
 

/**
	 * Installs the necessary state onto the JRootPane to render client
	 * decorations. This is ONLY invoked if the <code>JRootPane</code>
	 * has a decoration style other than <code>JRootPane.NONE</code>.
	 *
	 * @param root the root
	 */
	private void installClientDecorations(JRootPane root)
	{
		installBorder(root);

		JComponent titlePane = createTitlePane(root);

		setTitlePane(root, titlePane);
		installWindowListeners(root, root.getParent());
		installLayout(root);
		
		//只有在窗口边框是半透明的情况下，以下才需要设置窗口透明
		//* 注意：本类中的此处代码的目的就是为了实现半透明边框窗口的
		//* 正常显示，而且仅针对此目的。如果该边框不为透明，则此处也就不需要设置
		//* 窗口透明了，那么如果你的程序其它地方需要窗口透明的话，自行.setWindowOpaque(..)
		//* 就行了，由开发者自先决定，此处就不承载过多的要求了
		if (!BeautyEyeLNFHelper.__isFrameBorderOpaque() 
				&& window != null)
		{
			//** 20111222 by jb2011，让窗口全透明（用以实现窗口的透明边框效果）
//			AWTUtilities.setWindowOpaque(window, false);
			// TODO BUG：1）目前可知，在jdk1.7.0_u6下，JDialog的半透明边框的透明度比原设计深一倍
			// TODO BUG：2）目前可知，在jdk1.6.0_u33下+win7平台下，JFrame窗口被调置成透明后，
			//				该窗口内所在文本都会被反走样（不管你要没有要求反走样），真悲具，这应该
			//				是官方AWTUtilities.setWindowOpaque(..)bug导致的,1.7.0_u6同样存在该问题，
			//				使用BeautyEye时，遇到这样的问题只能自行使用__isFrameBorderOpaque中指定的
			//				不透明边框才行（这样此类的以下代码就不用执行，也就不用触发该bug了），但
			//				JDialog不受此bug影响，诡异！
			WindowTranslucencyHelper.setWindowOpaque(window, false);
			root.revalidate();
			root.repaint();
		}
	}