a cairo_t
a state
type of shadow to draw
the widget. [allow-none]
a style detail. [allow-none]
x origin of the rectangle
y origin of the rectangle
width of the rectangle
width of the rectangle
side in which to leave the gap
starting position of the gap
width of the gap
Warning gtk_paint_box_gap has been deprecated since version 3.0 and should not be used in newly-written code. Use gtk_render_frame_gap() instead Draws a box in cr using the given style and state and shadow type, leaving a gap in one side.