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/**
* Copyright (c) 2017 Angelo ZERR.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Angelo Zerr <angelo.zerr@gmail.com> - Customize different line spacing of StyledText - Bug 522020
*/
package org.eclipse.swt.snippets;
/*
* example snippet: customize line spacing provider
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*
* @since 3.107
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class Snippet368 {
public static void main(String[] args) throws Exception {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
shell.setText("Customize line spacing provider");
StyledText text = new StyledText(shell, SWT.BORDER | SWT.V_SCROLL);
text.setText("a\nb\nc\nd");
text.setLineSpacingProvider(lineIndex -> {
if (lineIndex == 0) {
return 10;
} else if (lineIndex == 1) {
return 30;
}
return null;
});
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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