Attachment 257162 Details for Bug 434393 – Sample to reproduce

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Sample to reproduce

ModifiedSnippet230.java (text/plain), 2.13 KB, created by Thomas Singer

on 2015-10-08 10:47:23 EDT

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Filename:

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Creator: Thomas Singer

Created: 2015-10-08 10:47:23 EDT

Size: 2.13 KB

patch

obsolete

>import org.eclipse.swt.*;
>import org.eclipse.swt.graphics.*;
>import org.eclipse.swt.layout.*;
>import org.eclipse.swt.widgets.*;
>
>/**
> * @author Thomas Singer
> */
>public class ModifiedSnippet230 {
>	public static void main(String [] args) {
>		Display display = new Display();
>		final Image image = display.getSystemImage(SWT.ICON_INFORMATION);
>		Shell shell = new Shell(display);
>		shell.setText("Images on the right side of the TableItem");
>		shell.setLayout(new FillLayout ());
>		Table table = new Table(shell, SWT.MULTI | SWT.FULL_SELECTION);
>		table.setHeaderVisible(true);
>		table.setLinesVisible(true);
>		int columnCount = 3;
>		for (int i=0; i<columnCount; i++) {
>			TableColumn column = new TableColumn(table, SWT.NONE);
>			column.setText("Column " + i);
>		}
>		int itemCount = 8;
>		for(int i = 0; i < itemCount; i++) {
>			TableItem item = new TableItem(table, SWT.NONE);
>			item.setText(new String[] {"item "+i+" a", "item "+i+" b", "item "+i+" c"});
>		}
>	/*
>	 * NOTE: MeasureItem, PaintItem and EraseItem are called repeatedly.
>	 * Therefore, it is critical for performance that these methods be
>	 * as efficient as possible.
>	 */
>		Listener paintListener = new Listener() {
>			@Override
>			public void handleEvent(Event event) {
>				switch(event.type) {
>				case SWT.MeasureItem: {
>					Rectangle rect = image.getBounds();
>					event.width += rect.width;
>					event.height = Math.max(event.height, rect.height + 2);
>					break;
>				}
>				case SWT.PaintItem: {
>					int x = event.x + event.width;
>					Rectangle rect = image.getBounds();
>					int offset = Math.max(0, (event.height - rect.height) / 2);
>					event.gc.drawImage(image, x, event.y + offset);
>					break;
>				}
>				}
>			}
>		};
>		table.addListener(SWT.MeasureItem, paintListener);
>		table.addListener(SWT.PaintItem, paintListener);
>
>		for(int i = 0; i < columnCount; i++) {
>			final TableColumn column = table.getColumn(i);
>			column.pack();
>			final int width = column.getWidth();
>			column.setWidth(width - 10);
>		}
>		shell.setSize(500, 200);
>		shell.open();
>		while(!shell.isDisposed ()) {
>			if(!display.readAndDispatch()) display.sleep();
>		}
>		if(image != null) image.dispose();
>		display.dispose();
>	}}

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Attachments on bug 434393: 257162 | 258355