Defines the RectangularSelection controller class.
RectangularSelection(component, *args, **kw)¶
A lasso selection tool whose selection shape is rectangular
The first click. This represents a corner of the rectangle.
This function is the same as the super except that it injects _make_rectangle as the _active_selection assignment.
Handles the mouse button coming up in the ‘selecting’ state.
Completes the selection and switches to the ‘normal’ state.