Gets the layout line currently being rendered using @renderer.
Calling this function only makes sense from inside a subclass's methods, like in its draw_shape vfunc, for example.
The returned layout line should not be modified while still being rendered.
the layout line, or %NULL if no layout line is being rendered using @renderer at this time.
1.20
See Implementation
Gets the layout line currently being rendered using @renderer.
Calling this function only makes sense from inside a subclass's methods, like in its draw_shape vfunc, for example.
The returned layout line should not be modified while still being rendered.