Function gtk4::render_expander

source ·

pub fn render_expander(
    context: &impl IsA<StyleContext>,
    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::Context

`x`

X origin of the rectangle

`y`

Y origin of the rectangle

`width`

rectangle width

`height`

rectangle height