Bug 311632

Description Silenio Quarti 2010-05-04 16:54:45 EDT

SWT creates an AccessibleObject when the free Label relation is added. This causes a lot of code to start running in AccessibleObject even though there is no listener added to Accessible object associated to the text field in the sample below. For example, AcessibleObject.atkText_get_character_at_offset() is called as you type in the text field and the implementation gets the whole text of the widget and returns the character at the offset instead of calling the super optimized implementation. 

	public static void main(String[] args) {
//		Device.DEBUG = true;
		Display display = new Display();
		Shell shell = new Shell(display);
		shell.setLayout(new GridLayout(1, false));

		Label label = new Label(shell, SWT.NONE);
		label.setText("Hello");
		Text text = new Text(shell, SWT.SINGLE | SWT.BORDER);
		text.setText("Text");

		shell.pack();
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}