/*******************************************************************************
* Copyright (c) 2000, 2016 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.snippets;
/*
* Table example snippet: draw different foreground colors for text in a TableItem.
*
* For more info on custom-drawing TableItem and TreeItem content see
* http://www.eclipse.org/articles/article.php?file=Article-CustomDrawingTableAndTreeItems/index.html
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*
* @since 3.2
*/
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class Snippet236 {
public static void main(String [] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setText("Table: Change style multiple times in cell");
shell.setLayout(new FillLayout());
Table table = new Table(shell, SWT.MULTI | SWT.FULL_SELECTION);
table.setLinesVisible(true);
for(int i = 0; i < 10; i++) {
new TableItem(table, SWT.NONE);
}
final TextLayout textLayout = new TextLayout(display);
textLayout.setText("SWT: Standard Widget Toolkit");
Font font1 = new Font(display, "Tahoma", 14, SWT.BOLD);
Font font2 = new Font(display, "Tahoma", 10, SWT.NORMAL);
Font font3 = new Font(display, "Tahoma", 14, SWT.ITALIC);
TextStyle style1 = new TextStyle(font1, display.getSystemColor(SWT.COLOR_BLUE), null);
TextStyle style2 = new TextStyle(font2, display.getSystemColor(SWT.COLOR_MAGENTA), null);
TextStyle style3 = new TextStyle(font3, display.getSystemColor(SWT.COLOR_RED), null);
textLayout.setStyle(style1, 0, 0); textLayout.setStyle(style1, 5, 12);
textLayout.setStyle(style2, 1, 1); textLayout.setStyle(style2, 14, 19);
textLayout.setStyle(style3, 2, 2); textLayout.setStyle(style3, 21, 27);
/*
* NOTE: MeasureItem, PaintItem and EraseItem are called repeatedly.
* Therefore, it is critical for performance that these methods be
* as efficient as possible.
*/
table.addListener(SWT.PaintItem, event -> textLayout.draw(event.gc, event.x, event.y));
final Rectangle textLayoutBounds = textLayout.getBounds();
table.addListener(SWT.MeasureItem, e -> {
e.width = textLayoutBounds.width + 2;
e.height = textLayoutBounds.height + 2;
});
shell.setSize(400, 200);
shell.open();
while(!shell.isDisposed()) {
if(!display.readAndDispatch()) display.sleep();
}
font1.dispose();
font2.dispose();
font3.dispose();
textLayout.dispose();
display.dispose();
}
}
