Bug 114999 Use larger font in text area of Expression Builder
I liked the larger font used in the expression area of the old Expression Builder. The larger font makes it easier to read an expression that contains multiple statements.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ExpressionBuilder.java
if ( button.getText( ).equals( IDialogConstants.HELP_LABEL ) )
		{
			gridData = new GridData( GridData.VERTICAL_ALIGN_END
					| GridData.HORIZONTAL_ALIGN_CENTER );
			gridData.grabExcessVerticalSpace = true;
		}
		else
		{
			gridData = new GridData( GridData.VERTICAL_ALIGN_BEGINNING );
		}
		int widthHint = convertHorizontalDLUsToPixels( IDialogConstants.BUTTON_WIDTH );
		gridData.widthHint = Math.max( widthHint,
				button.computeSize( SWT.DEFAULT, SWT.DEFAULT, true ).x );
		button.setLayoutData( gridData );
	}
	protected Control createContents( Composite parent )
	{
		Control control = super.createContents( parent );
		setTitle( DIALOG_TITLE );
		setMessage( PROMRT_MESSAGE );
		getShell( ).setText( title );
		categoryTable.setInput( "Dummy" ); 
		getShell( ).setDefaultButton( null );
		sourceViewer.getTextWidget( ).setFocus( );
		return control;
	}
	protected void okPressed( )
	{
		expression = sourceViewer.getTextWidget( ).getText( ).trim( );
		super.okPressed( );