Attachment 277476 Details for Bug 544188 – Snippet to reproduce the problem with. Run and observe no change in paint event bounds despite attempt to do so in measure method.

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Snippet to reproduce the problem with. Run and observe no change in paint event bounds despite attempt to do so in measure method.

TestOwnerDrawLabelProvider.java (text/x-java), 1.79 KB, created by Simeon Andreev

on 2019-02-06 10:58:26 EST

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Filename:

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Creator: Simeon Andreev

Created: 2019-02-06 10:58:26 EST

Size: 1.79 KB

patch

obsolete

>package swt.problems;
>
>import org.eclipse.jface.viewers.ArrayContentProvider;
>import org.eclipse.jface.viewers.OwnerDrawLabelProvider;
>import org.eclipse.jface.viewers.TableViewer;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.graphics.Rectangle;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Event;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.TableColumn;
>
>public class TestOwnerDrawLabelProvider {
>	
>	private final static Rectangle defaultBounds = new Rectangle(SWT.DEFAULT, SWT.DEFAULT, 80, SWT.DEFAULT);
>	
>	public static void main(String[] args) {
>		Display display = new Display();
>		Shell shell = new Shell(display);
>		shell.setSize(400, 200);
>		shell.setLayout(new FillLayout());
>
>		final TableViewer v = new TableViewer(shell);
>		v.setLabelProvider(new OwnerDrawLabelProvider() {
>
>			@Override
>			protected void measure(Event event, Object element) {
>				System.out.println("Measure: " + event.getBounds());
>				event.setBounds(defaultBounds);
>			}
>
>		    @Override
>		    protected void erase(Event event, Object element) {
>		        System.out.println("Erase: " + event.getBounds());
>		    }
>			
>			@Override
>			protected void paint(Event event, Object element) {
>				System.out.println("Paint: " + event.getBounds());
>			}
>
>		});
>		int m = 1;
>		String[] contents = new String[m];
>		for (int i = 0; i < m; ++i) {
>			TableColumn column = new TableColumn(v.getTable(), SWT.NONE);
>			column.setWidth(100);
>			column.setText("c" + i);
>			contents[i] = "content " + i;
>		}
>		v.getTable().setHeaderVisible(true);
>		v.setContentProvider(new ArrayContentProvider());
>		v.setInput(contents);
>
>		shell.open();
>		
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch())
>				display.sleep();
>		}
>
>		display.dispose();
>	}
>}

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Attachments on bug 544188: 277476