/** * 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); }