示例#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);
      }
    }
示例#2
0
    /**
     * Returns the amount of space the layout would like to have.
     *
     * @param the Container for which this layout manager is being used
     * @return a Dimension object containing the layout's preferred size
     */
    public Dimension preferredLayoutSize(Container parent) {
      Dimension cpd, tpd;
      int cpWidth = 0;
      int cpHeight = 0;
      int mbWidth = 0;
      int mbHeight = 0;
      int tpWidth = 0;
      Insets i = parent.getInsets();
      JRootPane root = (JRootPane) parent;

      if (root.getContentPane() != null) {
        cpd = root.getContentPane().getPreferredSize();
      } else {
        cpd = root.getSize();
      }
      if (cpd != null) {
        cpWidth = cpd.width;
        cpHeight = cpd.height;
      }

      if (root.getWindowDecorationStyle() != JRootPane.NONE
          && (root.getUI() instanceof RootPaneUI)) {
        JComponent titlePane = ((RootPaneUI) root.getUI()).getTitlePane();
        if (titlePane != null) {
          tpd = titlePane.getPreferredSize();
          if (tpd != null) {
            tpWidth = tpd.width;
          }
        }
      }

      return new Dimension(
          Math.max(Math.max(cpWidth, mbWidth), tpWidth) + i.left + i.right,
          cpHeight + mbHeight + tpWidth + i.top + i.bottom);
    }
    /**
     * Returns the maximum amount of space the layout can use.
     *
     * @param the Container for which this layout manager is being used
     * @return a Dimension object containing the layout's maximum size
     */
    public Dimension maximumLayoutSize(Container target) {
      Dimension cpd, mbd, tpd;
      int cpWidth = Integer.MAX_VALUE;
      int cpHeight = Integer.MAX_VALUE;
      int mbWidth = Integer.MAX_VALUE;
      int mbHeight = Integer.MAX_VALUE;
      int tpWidth = Integer.MAX_VALUE;
      int tpHeight = Integer.MAX_VALUE;
      Insets i = target.getInsets();
      JRootPane root = (JRootPane) target;

      if (root.getContentPane() != null) {
        cpd = root.getContentPane().getMaximumSize();
        if (cpd != null) {
          cpWidth = cpd.width;
          cpHeight = cpd.height;
        }
      }

      if (root.getMenuBar() != null) {
        mbd = root.getMenuBar().getMaximumSize();
        if (mbd != null) {
          mbWidth = mbd.width;
          mbHeight = mbd.height;
        }
      }

      if (root.getWindowDecorationStyle() != JRootPane.NONE
          && (root.getUI() instanceof HokageRootPaneUI)) {
        JComponent titlePane = ((HokageRootPaneUI) root.getUI()).getTitlePane();
        if (titlePane != null) {
          tpd = titlePane.getMaximumSize();
          if (tpd != null) {
            tpWidth = tpd.width;
            tpHeight = tpd.height;
          }
        }
      }

      int maxHeight = Math.max(Math.max(cpHeight, mbHeight), tpHeight);
      // Only overflows if 3 real non-MAX_VALUE heights, sum to > MAX_VALUE
      // Only will happen if sums to more than 2 billion units.  Not likely.
      if (maxHeight != Integer.MAX_VALUE) {
        maxHeight = cpHeight + mbHeight + tpHeight + i.top + i.bottom;
      }

      int maxWidth = Math.max(Math.max(cpWidth, mbWidth), tpWidth);
      // Similar overflow comment as above
      if (maxWidth != Integer.MAX_VALUE) {
        maxWidth += i.left + i.right;
      }

      return new Dimension(maxWidth, maxHeight);
    }