private JButton createButton(String altText) {
		JButton button = new JButton();
		Icon icon = Icons.HOME_ICON;
		button = new JButton(icon);
		Insets noInsets = new Insets(0, 0, 0, 0);
		button.setMargin(noInsets);

		button.setToolTipText("Go back to home address");
		button.getAccessibleContext().setAccessibleName("Home");
		return button;
	}
Dialog to prompt for overriding a fallthrough address on an instruction.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/fallthrough/FallThroughDialog.java