/*******************************************************************************
* Copyright (c) 2011 IBM Corporation and others.
* All rights reserved. This Example Content is intended to demonstrate
* usage of Eclipse technology. It is provided to you under the terms and
* conditions of the Eclipse Distribution License v1.0 which is available
* at http://www.eclipse.org/org/documents/edl-v10.php
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.snippets;
/*
* Accessibility example snippet: provide a way for an AT to
* set text attributes in a StyledText.
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
import org.eclipse.swt.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.accessibility.*;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
public class Snippet357 {
public static void main(String[] args) {
final Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
final StyledText text = new StyledText(shell, SWT.BORDER | SWT.MULTI);
text.setText("The quick brown fox jumps over the lazy dog.\nThat's all folks!");
TextStyle textStyle = new TextStyle(new Font(display, "Courier", 12, SWT.BOLD), display.getSystemColor(SWT.COLOR_RED), null);
textStyle.strikeout = true;
textStyle.underline = true;
textStyle.underlineStyle = SWT.UNDERLINE_SINGLE;
text.setStyleRanges(new int[] {4, 5}, new StyleRange[] {new StyleRange(textStyle)});
text.getAccessible().addAccessibleEditableTextListener(new AccessibleEditableTextAdapter() {
@Override
public void setTextAttributes(AccessibleTextAttributeEvent e) {
TextStyle textStyle = e.textStyle;
if (textStyle != null) {
/* Copy all of the TextStyle fields into the new StyleRange. */
StyleRange style = new StyleRange(textStyle);
/* Create new graphics resources because the old ones are only valid during the event. */
if (textStyle.font != null) style.font = new Font(display, textStyle.font.getFontData());
if (textStyle.foreground != null) style.foreground = new Color(display, textStyle.foreground.getRGB());
if (textStyle.background != null) style.background = new Color(display, textStyle.background.getRGB());
if (textStyle.underlineColor != null) style.underlineColor = new Color(display, textStyle.underlineColor.getRGB());
if (textStyle.strikeoutColor != null) style.strikeoutColor = new Color(display, textStyle.strikeoutColor.getRGB());
if (textStyle.borderColor != null) style.borderColor = new Color(display, textStyle.borderColor.getRGB());
/* Set the StyleRange into the StyledText. */
style.start = e.start;
style.length = e.end - e.start;
text.setStyleRange(style);
e.result = ACC.OK;
} else {
text.setStyleRanges(e.start, e.end - e.start, null, null);
}
}
});
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
}
}