?? centerlayout.java
字號(hào):
/* * @(#)CenterLayout.java 1.13 05/11/17 * * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */package javax.swing.plaf.basic;import java.awt.*;import java.io.*;/** * Center-positioning layout manager. * @version 1.13 11/17/05 * @author Tom Santos * @author Steve Wilson */class CenterLayout implements LayoutManager, Serializable { public void addLayoutComponent(String name, Component comp) { } public void removeLayoutComponent(Component comp) { } public Dimension preferredLayoutSize( Container container ) { Component c = container.getComponent( 0 ); if ( c != null ) { Dimension size = c.getPreferredSize(); Insets insets = container.getInsets(); return new Dimension(size.width + insets.left + insets.right, size.height + insets.top + insets.bottom); } else { return new Dimension( 0, 0 ); } } public Dimension minimumLayoutSize(Container cont) { return preferredLayoutSize(cont); } public void layoutContainer(Container container) { if (container.getComponentCount() > 0) { Component c = container.getComponent(0); Dimension pref = c.getPreferredSize(); int containerWidth = container.getWidth(); int containerHeight = container.getHeight(); Insets containerInsets = container.getInsets(); containerWidth -= containerInsets.left + containerInsets.right; containerHeight -= containerInsets.top + containerInsets.bottom; int left = (containerWidth - pref.width) / 2 + containerInsets.left; int right = (containerHeight - pref.height) / 2 + containerInsets.top; c.setBounds(left, right, pref.width, pref.height); } }}?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -