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/*******************************************************************************
* Copyright (c) 2018 Simeon Andreev 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:
* Simeon Andreev - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.tests.gtk.snippets;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Scale;
import org.eclipse.swt.widgets.Shell;
/**
* Description: Specifying a small height hint via {@link GridData} for a {@link Scale},
* or shrinking the parent of a {@link Scale} too much can result
* in a missing line of the scale.
* Steps to reproduce:
* <ol>
* <li>Run the snippet.</li>
* </ol>
* Expected results: The shell contains a scale with a line and a trough.
* Actual results: The shell contains a scale with a tough but without a line.
*/
public class Bug534204_Scale_has_no_line {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setSize(300, 100);
shell.setText("Bug 534204 scale has only trough and no line");
shell.setLayout(new FillLayout(SWT.VERTICAL));
Composite main = new Composite(shell, SWT.NONE);
GridLayout gridLayout = new GridLayout(1, false);
main.setLayout(gridLayout);
Scale scale = new Scale(main, SWT.NONE);
GridData gd = new GridData();
gd.widthHint = 200;
gd.heightHint = 18;
scale.setLayoutData(gd);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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