Function gtk4::functions::render_expander[−][src]

pub fn render_expander<P: IsA<StyleContext>>(
    context: &P, 
    cr: &Context, 
    x: f64, 
    y: f64, 
    width: f64, 
    height: f64
)

Expand description

Renders an expander (as used in TreeView and Expander) in the area defined by x, y, width, height. The state StateFlags::CHECKED determines whether the expander is collapsed or expanded.

Typical expander rendering:

`context`

a StyleContext

`cr`

a cairo_t

`x`

X origin of the rectangle

`y`

Y origin of the rectangle

`width`

rectangle width

`height`

rectangle height