[x] When clicking on a circle, it should fire a click event with target circle as first callback argument.
[x] When right-clicking on a circle, it should fire a contextmenu event with target circle as first callback argument.
[x] When doing the funky ctrl + left-click combo that some old Mac users might use as means of right-clicking, it should also fire a contextmenu event (and suppress the "normal" click)
clickevent with target circle as first callback argument.contextmenuevent with target circle as first callback argument.ctrl + left-clickcombo that some old Mac users might use as means of right-clicking, it should also fire acontextmenuevent (and suppress the "normal" click)