bundles/org.eclipse.rap.ui.workbench/Eclipse UI/org/eclipse/ui/internal/DragHandle.java

// RAP [bm]: not needed
///*******************************************************************************
// * Copyright (c) 2005, 2006 IBM Corporation 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:
// *     IBM Corporation - initial API and implementation
// *******************************************************************************/
//package org.eclipse.ui.internal;
//
//import org.eclipse.jface.resource.ImageDescriptor;
//import org.eclipse.jface.resource.JFaceResources;
//import org.eclipse.swt.SWT;
//import org.eclipse.swt.events.PaintEvent;
//import org.eclipse.swt.events.PaintListener;
//import org.eclipse.swt.graphics.Cursor;
//import org.eclipse.swt.graphics.GC;
//import org.eclipse.swt.graphics.Image;
//import org.eclipse.swt.graphics.Point;
//import org.eclipse.swt.graphics.Rectangle;
//import org.eclipse.swt.widgets.Composite;
//import org.eclipse.ui.plugin.AbstractUIPlugin;
//
//public class DragHandle extends Composite implements PaintListener {
//    
//    Cursor dragCursor;
//    Image handleImage;
//    ImageDescriptor descriptor;
//    private boolean isHorizontal;
//
//    private static int margin = 2;
//    
//public DragHandle(Composite parent) {
//    super(parent, SWT.NONE);
//    
//    dragCursor = new Cursor(parent.getDisplay(),
//            SWT.CURSOR_SIZEALL);
//    
//    addPaintListener(this);
//    
//    descriptor = AbstractUIPlugin.imageDescriptorFromPlugin(WorkbenchPlugin.PI_WORKBENCH, "icons/misc/handle.gif");  //$NON-NLS-1$
//    
//    handleImage = new Image(parent.getDisplay(), 4, 4);
//    GC context = new GC(handleImage);
//    context.setForeground(parent.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
//    context.drawPoint(0,0);
//    context.drawPoint(2,0);
//    context.drawPoint(3,0);
//    context.drawPoint(3,1);
//    context.drawPoint(0,2);
//    context.drawPoint(3,2);
//    context.drawPoint(0,3);
//    context.drawPoint(1,3);
//    context.drawPoint(2,3);
//    context.drawPoint(3,3);
//    
//    context.setForeground(parent.getDisplay().getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW));
//    context.drawPoint(1,0);
//    context.drawPoint(0,1);
//    
//    context.setForeground(parent.getDisplay().getSystemColor(SWT.COLOR_WIDGET_DARK_SHADOW));
//    context.drawPoint(1,1);
//    
//    context.setForeground(parent.getDisplay().getSystemColor(SWT.COLOR_WIDGET_HIGHLIGHT_SHADOW));
//    context.drawPoint(1,2);
//    context.drawPoint(2,1);
//    context.drawPoint(2,2);
//    
//    context.dispose();
//    
//    setCursor(dragCursor);
//}
//
//public void paintControl(PaintEvent e) {
//    Point size = getSize();
//    
//    if (handleImage != null) {
//        Rectangle ibounds = handleImage.getBounds();
//        
//        
//        int x = ((size.x - 2 * margin) % ibounds.width) / 2 + margin;
//        int y = ((size.y - 2 * margin) % ibounds.height) / 2 + margin;
//
//        for (;;) {
//            e.gc.drawImage(handleImage, x, y);
//            if (isHorizontal) {
//                x += ibounds.width;
//                if (x + ibounds.width > size.x - margin) {
//					break;
//				}
//            } else {
//                y += ibounds.height;
//                if (y + ibounds.height > size.y - margin) {
//					break;
//				}
//            }
//        }
//    }
//}
//public Point computeSize(int wHint, int hHint, boolean changed) {
//    Point result = new Point(wHint, hHint);
//    
//    Rectangle ibounds = handleImage.getBounds();
//    
//    if (wHint == SWT.DEFAULT) {
//        result.x = ibounds.width + 2 * margin;
//    }
//    
//    if (hHint == SWT.DEFAULT) {
//        result.y = ibounds.height + 2 * margin;
//    }
//    
//    return result;
//}
//
//public void setHorizontal(boolean isHorizontal) {
//    this.isHorizontal = isHorizontal;
//}
//
//public void dispose() {
//    if (isDisposed()) {
//        return;
//    }
//    super.dispose();
//    dragCursor.dispose();
//    handleImage.dispose();
//    JFaceResources.getResources().destroyImage(descriptor);
//}
//}