Java JRootPane.getInsets方法代码示例

import javax.swing.JRootPane; //导入方法依赖的package包/类
public void layoutContainer(Container parent)
{
    JRootPane root = (JRootPane) parent;
    Rectangle bound = root.getBounds();
    Insets inset = root.getInsets();

    // 获取内容面板实际宽度, 减去左右边框面积
    // Calculate the actual width
    int w = bound.width - inset.right - inset.left;

    // 获取内容面板实际高度, 减去上下边框面积
    // Calculate the actual height
    int h = bound.height - inset.top - inset.bottom;

    // 设置层级面板在根窗格中的位置
    // layout LayeredPane
    if(root.getLayeredPane() != null)
    {
        root.getLayeredPane().setBounds(inset.left, inset.top, w, h);
    }

    // 玻璃窗格是在层级面板中,所以坐标从(0, 0)开始
    // layout GlassPane
    if(root.getGlassPane() != null)
    {
        root.getGlassPane().setBounds(inset.left, inset.top, w, h);
    }

    int nextY = 0;

    RootPaneUI rootPaneUI = root.getUI();

    if(rootPaneUI instanceof LuckMetalRootPaneUI)
    {
        // 布局标题面板
        // layout TitlePane
        Component titlePanel = ((LuckMetalRootPaneUI)rootPaneUI).getTitlePane();

        // 如果未取消窗体装饰
        if (titlePanel != null)
        {
            titlePanel.setBounds(0, nextY, w, titlePanel.getHeight());

            nextY += titlePanel.getHeight();
        }
    }

    // 布局JMenuBar
    // layout JMenuBar
    JMenuBar menuBar = root.getJMenuBar();

    if(menuBar != null && menuBar.isVisible())
    {
        menuBar.setBounds(0, nextY, w, menuBar.getPreferredSize().height);

        nextY += menuBar.getPreferredSize().getHeight();
    }

    // 布局内容面板
    // layout ContentPane
    root.getContentPane().setBounds(0, nextY, w, h - nextY);
}
 

import javax.swing.JRootPane; //导入方法依赖的package包/类
public void layoutContainer(Container parent)
{
    JRootPane root = (JRootPane) parent;
    Rectangle bound = root.getBounds();
    Insets inset = root.getInsets();

    // 获取内容面板实际宽度, 减去左右边框面积
    // Calculate the actual width
    int w = bound.width - inset.right - inset.left;

    // 获取内容面板实际高度, 减去上下边框面积
    int h = bound.height - inset.top - inset.bottom;

    // 设置层级面板在根窗格中的位置
    // Calculate the actual height
    if(root.getLayeredPane() != null)
    {
        root.getLayeredPane().setBounds(inset.left, inset.top, w, h);
    }

    // 布局玻璃窗格
    // layout LayeredPane
    if(root.getGlassPane() != null)
    {
        root.getGlassPane().setBounds(inset.left, inset.top, w, h);
    }

    // 获取当前内容面板
    // get current ContentPane
    Container content = root.getContentPane();

    LuckRootPaneUI rootPaneUI = (LuckRootPaneUI) root.getUI();

    // 使用 <code>LuckBackgroundPanel</code>替换当前的内容面板
    // Use <code>LuckBackgroundPanel</code> replace the current contents of the panel
    if(!(content instanceof LuckBackgroundPanel))
    {
        Window window = SwingUtilities.getWindowAncestor(root);

       	boolean isResizeableOnInit = LuckWindowUtil.isResizable(window);

    	int initStyle = root.getWindowDecorationStyle();

        if(initStyle != JRootPane.NONE)
        {
            //
            LuckTitlePanel titlePanel = rootPaneUI.createTitlePanel(initStyle, isResizeableOnInit);

            LuckBackgroundPanel background = rootPaneUI.createContentPane(titlePanel, content);

            root.setContentPane(background);
        }
    }

    root.getContentPane().setBounds(0, 0, w, h);
}
 

import javax.swing.JRootPane; //导入方法依赖的package包/类
public void layoutContainer(Container parent)
{
  JRootPane rp = (JRootPane) parent;
  JLayeredPane layeredPane = rp.getLayeredPane();
  Component contentPane = rp.getContentPane();
  Component menuBar = rp.getJMenuBar();
  Component glassPane = rp.getGlassPane();

  if (glassPaneBounds == null || layeredPaneBounds == null
      || contentPaneBounds == null || menuBarBounds == null)
    {
      Insets i = rp.getInsets();
      int containerWidth = parent.getBounds().width - i.left - i.right;
      int containerHeight = parent.getBounds().height - i.top - i.bottom;

      // 1. The glassPane fills entire viewable region (bounds - insets).
      // 2. The layeredPane filles entire viewable region.
      // 3. The titlePane is placed at the upper edge of the layeredPane.
      // 4. The menuBar is positioned at the upper edge of layeredPane.
      // 5. The contentPane fills viewable region minus menuBar minus
      //    titlePane, if present.

      // +-------------------------------+
      // |  JLayeredPane                 |
      // |  +--------------------------+ |
      // |  | titlePane                + |
      // |  +--------------------------+ |
      // |  +--------------------------+ |
      // |  | menuBar                  | |
      // |  +--------------------------+ |
      // |  +--------------------------+ |
      // |  |contentPane               | |
      // |  |                          | |
      // |  |                          | |
      // |  |                          | |
      // |  +--------------------------+ |
      // +-------------------------------+

      // Setup titlePaneBounds.
      if (titlePaneBounds == null)
        titlePaneBounds = new Rectangle();
      titlePaneBounds.width = containerWidth;
      titlePaneBounds.height = titlePane.getPreferredSize().height;

      // Setup menuBarBounds.
      if (menuBarBounds == null)
        menuBarBounds = new Rectangle();
      menuBarBounds.setBounds(0,
                              titlePaneBounds.y + titlePaneBounds.height,
                              containerWidth, 0);
      if (menuBar != null)
        {
          Dimension menuBarSize = menuBar.getPreferredSize();
          if (menuBarSize.height > containerHeight)
            menuBarBounds.height = containerHeight;
          else
            menuBarBounds.height = menuBarSize.height;
        }

      // Setup contentPaneBounds.
      if (contentPaneBounds == null)
        contentPaneBounds = new Rectangle();
      contentPaneBounds.setBounds(0,
                                  menuBarBounds.y + menuBarBounds.height,
                                  containerWidth,
                                  containerHeight - menuBarBounds.y
                                  - menuBarBounds.height);
      glassPaneBounds = new Rectangle(i.left, i.top, containerWidth, containerHeight);
      layeredPaneBounds = new Rectangle(i.left, i.top, containerWidth, containerHeight);
    }

  // Layout components.
  glassPane.setBounds(glassPaneBounds);
  layeredPane.setBounds(layeredPaneBounds);
  if (menuBar != null)
    menuBar.setBounds(menuBarBounds);
  contentPane.setBounds(contentPaneBounds);
  titlePane.setBounds(titlePaneBounds);
}