on-default-event

Called by on-local-event when the event is not handled by a caret-owning snip or by the keymap.

• (send a-pasteboard on-default-event event) -> void
      event : mouse-event% object

  Selects, drags, and resizes snips:

  • Clicking on a snip selects the snip. Shift-clicking extends the current selection with the snip.
  • Clicking in the space between snips drags a selection box; once the mouse button is released, all snips touching the box are selected. Shift-clicking extends the current selection with the new snips.
  • Double-clicking on a snip calls on-double-click.
  • Clicking on a selected snip drags the selected snip(s) to a new location.
  • Clicking on a hilighting tab for a selected object resizes the object.