Function widget_add_rect_element 

pub unsafe extern "C" fn widget_add_rect_element(
    widget: *mut Widget,
    x: u8,
    y: u8,
    width: u8,
    height: u8,
    radius: u8,
    fill: bool,
)

Add Rect Element

Arguments

• widget - Widget instance
• x - top left x coordinate
• y - top left y coordinate
• width - rect width
• height - rect height
• radius - corner radius
• fill - whether to fill the box or not