Bug 203974 [Markers] [Markers] markers view: Twistis on configure filter dialog not correctly laid out
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/FiltersConfigurationDialog.java
}
		GridData listData = new GridData(SWT.FILL, SWT.FILL, true, true);
		listData.widthHint = convertHorizontalDLUsToPixels(100);
		filtersList.getControl().setLayoutData(listData);
		Composite buttons = new Composite(filtersComposite, SWT.NONE);
		GridLayout buttonLayout = new GridLayout();
		buttonLayout.marginWidth = 0;
		buttons.setLayout(buttonLayout);
		GridData buttonsData = new GridData();
		buttonsData.verticalAlignment = GridData.BEGINNING;
		buttons.setLayoutData(buttonsData);
		Button addNew = new Button(buttons, SWT.PUSH);
		addNew.setText(MarkerMessages.MarkerFilter_addFilterName);
		addNew.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				InputDialog newDialog = new InputDialog(getShell(),
						MarkerMessages.MarkerFilterDialog_title,
						MarkerMessages.MarkerFilterDialog_message,
						MarkerMessages.MarkerFilter_newFilterName,
						new IInputValidator() {
							/*
							 * (non-Javadoc)
							 * 
							 * @see org.eclipse.jface.dialogs.IInputValidator#isValid(java.lang.String)
							 */
							public String isValid(String newText) {
								if (newText.length() == 0)
									return MarkerMessages.MarkerFilterDialog_emptyMessage;
								Iterator filterIterator = filterGroups
										.iterator();