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/*******************************************************************************
* 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.Point;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/*
* Title: Bug 290650 - [Layout] If a composite with a FillLayout (with marginWidth != 0)
* contains a widget which could expand depending on a fixed width or height, than computeSize()
* doesn't calculate the expanding size correctly.
* How to run: launch snippet and observe size of Text widgets
* Bug description: One widget is only one line in height when it should be two
* Expected results: Both widgets should be 2 lines in height
* GTK Version(s): GTK2.x, GTK3.x
*/
public class Bug290650_FillLayoutComputeSize {
private static int margin = 100;
private static String msg = "This is a message with 2 lines and some text";
private static void init(Shell shell) {
Composite container1 = new Composite(shell, SWT.NONE);
FillLayout fillLayout1 = new FillLayout();
fillLayout1.marginWidth = margin;
container1.setLayout(fillLayout1);
container1.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_BLUE));
Text text1 = new Text(container1, SWT.WRAP);
text1.setText(msg);
Point containerSize1 = container1.computeSize(shell.getClientArea().width, SWT.DEFAULT);
container1.setSize(containerSize1);
Composite container2 = new Composite(shell, SWT.NONE);
container2.setLocation(margin, 50);
FillLayout fillLayout2 = new FillLayout();
container2.setLayout(fillLayout2);
container2.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_BLUE));
Text text2 = new Text(container2, SWT.WRAP);
text2.setText(msg);
Point containerSize2 = container2.computeSize(shell.getClientArea().width-2*margin, SWT.DEFAULT);
container2.setSize(containerSize2);
}
public static void main(String[] args) {
final Display display = new Display();
Shell shell = new Shell(display);
shell.setText("Fill Layout with Text-Widget Test");
shell.setSize(190 + 2 * margin, 400);
init(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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