TabFolderLayout.java

/*******************************************************************************
 * Copyright (c) 2000, 2013 QNX Software Systems and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     QNX Software Systems - Initial API and implementation
 *******************************************************************************/
package org.eclipse.cdt.utils.ui.controls;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Layout;

/**
 * @noextend This class is not intended to be subclassed by clients.
 */
public class TabFolderLayout extends Layout {
	@Override
	protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) {
		if (wHint != SWT.DEFAULT && hHint != SWT.DEFAULT)
			return new Point(wHint, hHint);

		Control[] children = composite.getChildren();
		int count = children.length;
		int maxWidth = 0, maxHeight = 0;
		for (int i = 0; i < count; i++) {
			Control child = children [i];
			Point pt = child.computeSize(SWT.DEFAULT, SWT.DEFAULT, flushCache);
			maxWidth = Math.max(maxWidth, pt.x);
			maxHeight = Math.max(maxHeight, pt.y);
		}

		if (wHint != SWT.DEFAULT)
			maxWidth= wHint;
		if (hHint != SWT.DEFAULT)
			maxHeight= hHint;

		return new Point(maxWidth, maxHeight);
	}

	@Override
	protected void layout(Composite composite, boolean flushCache) {
		Rectangle rect= composite.getClientArea();

		Control[] children = composite.getChildren();
		for (int i = 0; i < children.length; i++) {
			children[i].setBounds(rect);
		}
	}
}