JRadioButton，看起来像JButton

Question

I'm trying to create a feature similar to that of Geogebra 's toolbar: it has buttons that select tools, so only one can be selected at a time, but they don't look like radio buttons (a dot, with an inner dot if it's selected); they look like JButton s with an ImageIcon .

I've gone through some of the source (specifically ModeToggleMenu.java and Toolbar.java ) but still can't quite figure out what's happening. I just need something basic. I would really appreaciate help!

Screenshot of what I mean:

Note the pointer, point, line, perpendicular line, triangle, etc.. That's the effect I'm trying to achieve.

Thanks very much!

Answer 1

I think the little thing that you missed is that the Geogebra code you linked to uses this as the button class:

class MyJToggleButton extends JToggleButton

So the buttons are JToggleButtons not JRadioButtons. JToggleButtons can be used directly and put into button groups just like radio buttons. Geogebra's code does custom painting, but you can just set an icon as well.

Answer 2

Create custom icons then use:

radioButton.setIcon(...);
radioBbutton.setSelectedIcon(...);