Beispiel #1
0
    /**
     * Instructs the layout manager to perform the layout for the specified container.
     *
     * @param the Container for which this layout manager is being used
     */
    public void layoutContainer(Container parent) {
      JRootPane root = (JRootPane) parent;
      Rectangle b = root.getBounds();
      Insets i = root.getInsets();
      int nextY = 0;
      int w = b.width - i.right - i.left;
      int h = b.height - i.top - i.bottom;

      if (root.getLayeredPane() != null) {
        root.getLayeredPane().setBounds(i.left, i.top, w, h);
      }
      if (root.getGlassPane() != null) {
        root.getGlassPane().setBounds(i.left, i.top, w, h);
      }
      // Note: This is laying out the children in the layeredPane,
      // technically, these are not our children.
      if (root.getWindowDecorationStyle() != JRootPane.NONE
          && (root.getUI() instanceof RootPaneUI)) {
        JComponent titlePane = ((RootPaneUI) root.getUI()).getTitlePane();
        if (titlePane != null) {
          Dimension tpd = titlePane.getPreferredSize();
          if (tpd != null) {
            int tpHeight = tpd.height;
            titlePane.setBounds(0, 0, w, tpHeight);
            nextY += tpHeight;
          }
        }
      }

      if (root.getContentPane() != null) {

        root.getContentPane().setBounds(0, nextY, w, h < nextY ? 0 : h - nextY);
      }
    }
  /**
   * Sets the window title pane -- the JComponent used to provide a plaf a way to override the
   * native operating system's window title pane with one whose look and feel are controlled by the
   * plaf. The plaf creates and sets this value; the default is null, implying a native operating
   * system window title pane.
   *
   * @param content the <code>JComponent</code> to use for the window title pane.
   */
  private void setTitlePane(JRootPane root, JComponent titlePane) {
    JLayeredPane layeredPane = root.getLayeredPane();
    JComponent oldTitlePane = getTitlePane();

    if (oldTitlePane != null) {
      oldTitlePane.setVisible(false);
      layeredPane.remove(oldTitlePane);
    }
    if (titlePane != null) {
      layeredPane.add(titlePane, JLayeredPane.FRAME_CONTENT_LAYER);
      titlePane.setVisible(true);
    }
    this.titlePane = titlePane;
  }