Attachment 272619 Details for Bug 530969 – Snippet to reproduce the issue

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Snippet to reproduce the issue

Bug530969_ControlPrint.java (text/x-java), 3.57 KB, created by Eric Williams

on 2018-02-09 14:41:13 EST

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Creator: Eric Williams

Created: 2018-02-09 14:41:13 EST

Size: 3.57 KB

patch

obsolete

>/*******************************************************************************
> * Copyright (c) 2018 Red Hat and others. All rights reserved.
> * The contents of this file are made available under the terms
> * of the GNU Lesser General Public License (LGPL) Version 2.1 that
> * accompanies this distribution (lgpl-v21.txt).  The LGPL is also
> * available at http://www.gnu.org/licenses/lgpl.html.  If the version
> * of the LGPL at http://www.gnu.org is different to the version of
> * the LGPL accompanying this distribution and there is any conflict
> * between the two license versions, the terms of the LGPL accompanying
> * this distribution shall govern.
> *
> * Contributors:
> *     Red Hat - initial API and implementation
> *******************************************************************************/
>package org.eclipse.swt.tests.gtk.snippets;
>
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.graphics.Color;
>import org.eclipse.swt.graphics.GC;
>import org.eclipse.swt.graphics.Image;
>import org.eclipse.swt.graphics.Point;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.layout.RowLayout;
>import org.eclipse.swt.widgets.Button;
>import org.eclipse.swt.widgets.Composite;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.Tree;
>import org.eclipse.swt.widgets.TreeItem;
>
>public class Bug530969_ControlPrint {
>
>	private static void createButton(Composite parent, Color bgColor,
>			boolean checked, boolean enabled) {
>		Button button = new Button(parent, SWT.CHECK);
>		button.setSelection(checked);
>		button.setEnabled(enabled);
>		button.setBackground(bgColor);
>		Point bSize = button.computeSize(SWT.DEFAULT, SWT.DEFAULT);
>		button.setSize(bSize);
>	}
>
>	public static void main(String[] args) {
>		Display display = new Display();
>		Shell shell = new Shell(display, SWT.NO_TRIM);
>		Color gray = new Color (display, 222, 223, 224);
>		Composite composite = new Composite(shell, SWT.NONE);
>		RowLayout layout = new RowLayout();
>		layout.marginTop = 0;
>		layout.marginLeft = 0;
>		layout.marginBottom = 0;
>		layout.marginRight = 0;
>		layout.spacing = 0;
>		composite.setLayout(layout);
>		createButton(composite, gray, true, true);
>		createButton(composite, gray, false, true);
>		createButton(composite, gray, true, false);
>		createButton(composite, gray, false, false);
>
>		Point cSize = composite.computeSize(SWT.DEFAULT, SWT.DEFAULT);
>		composite.setSize(cSize);
>		shell.setBackground(gray);
>		shell.setLocation(0, 0);
>		shell.setSize(cSize);
>
>		shell.open();
>		Image canvas = new Image(display, cSize.x, cSize.y);
>		GC gc = new GC(canvas);
>		composite.print(gc);
>
>		int buttonX = cSize.x / 4;
>		Image[] images = new Image[4];
>
>		for (int i = 0; i < 4; i++) {
>			Image image = new Image(display, buttonX, cSize.y);
>			gc.copyArea(image, buttonX * i, 0);
>			images[i] = image;
>		}
>		shell.close();
>		Shell properShell = new Shell (display);
>		properShell.setLayout(new FillLayout());
>		Image firstImage = images[0];
>		final Tree tree = new Tree(properShell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
>		TreeItem lastItem = new TreeItem(tree, SWT.NONE);
>		lastItem.setImage(firstImage);
>		lastItem.setText("root item with first image");
>
>		for (int i = 0; i < 3; i++) {
>			TreeItem newItem = new TreeItem(lastItem, SWT.NONE);
>			newItem.setText("descendant item with image " + i);
>			newItem.setImage(images[i+1]);
>		}
>		lastItem.setExpanded(true);
>
>		properShell.setSize(400, 400);
>		properShell.open();
>		while (!properShell.isDisposed()) {
>			if (!display.readAndDispatch()) display.sleep();
>		}
>		display.dispose();
>		canvas.dispose();
>		gc.dispose();
>		firstImage.dispose();
>	}
>
>}

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Attachments on bug 530969: 272619