Attachment 288077 Details for Bug 578834 – Snippet to reproduce

Snippet to reproduce

VirtualOwnerDrawnTable.java (text/plain), 2.09 KB, created by Thomas Singer

on 2022-02-18 10:49:46 EST

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Creator: Thomas Singer

Created: 2022-02-18 10:49:46 EST

Size: 2.09 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 VirtualOwnerDrawnTable {
>
>	public static void main(String[] args) {
>		final Display display = new Display();
>		final Shell shell = new Shell(display);
>		shell.setLayout(new FillLayout(SWT.VERTICAL));
>
>		final Table table = new Table(shell, SWT.VIRTUAL | SWT.BORDER | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI);
>		table.setHeaderVisible(false);
>		final Listener listener = event -> {
>			final TableItem item = (TableItem)event.item;
>			if (event.type == SWT.EraseItem) {
>				event.detail &= ~SWT.FOREGROUND;
>			}
>			else if (event.type == SWT.PaintItem) {
>				event.gc.drawText((String)item.getData(), event.x, event.y, true);
>			}
>			else if (event.type == SWT.MeasureItem) {
>				final String text = (String)item.getData();
>				final Point point = event.gc.textExtent(text);
>				event.height = point.y;
>				event.width = Math.max(event.width, point.x);
>			}
>			else if (event.type == SWT.SetData) {
>				final int index = table.indexOf(item);
>				final String data = "Item " + index;
>				item.setData(data);
>			}
>		};
>		table.addListener(SWT.EraseItem, listener);
>		table.addListener(SWT.SetData, listener);
>		table.addListener(SWT.MeasureItem, listener);
>		table.addListener(SWT.PaintItem, listener);
>
>		final TableColumn column = new TableColumn(table, SWT.LEFT);
>		column.setText("Column");
>		column.setResizable(false);
>
>		table.addListener(SWT.Paint, event -> {
>			setColumnWidth(column);
>		});
>
>		table.setVisible(false);
>		table.setItemCount(100);
>
>		shell.setSize(200, 300);
>		setColumnWidth(column);
>
>		shell.open();
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch()) {
>				display.sleep();
>			}
>		}
>		display.dispose();
>	}
>
>	private static void setColumnWidth(TableColumn column) {
>		final Table table = column.getParent();
>		final Rectangle area = table.getClientArea();
>		System.out.println("area = " + area);
>		column.setWidth(area.width);
>	}
>}

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Attachments on bug 578834: 288077