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//! Create choices using radio buttons.
use crate::{Backend, Primitive, Renderer};
use iced_native::mouse;
use iced_native::radio;
use iced_native::{Background, Color, Rectangle};
pub use iced_style::radio::{Style, StyleSheet};
/// A circular button representing a choice.
///
/// This is an alias of an `iced_native` radio button with an
/// `iced_wgpu::Renderer`.
pub type Radio<Message, Backend> =
iced_native::Radio<Message, Renderer<Backend>>;
impl<B> radio::Renderer for Renderer<B>
where
B: Backend,
{
type Style = Box<dyn StyleSheet>;
const DEFAULT_SIZE: u16 = 28;
const DEFAULT_SPACING: u16 = 15;
fn draw(
&mut self,
bounds: Rectangle,
is_selected: bool,
is_mouse_over: bool,
(label, _): Self::Output,
style_sheet: &Self::Style,
) -> Self::Output {
let style = if is_mouse_over {
style_sheet.hovered()
} else {
style_sheet.active()
};
let size = bounds.width;
let dot_size = size / 2.0;
let radio = Primitive::Quad {
bounds,
background: style.background,
border_radius: size / 2.0,
border_width: style.border_width,
border_color: style.border_color,
};
(
Primitive::Group {
primitives: if is_selected {
let radio_circle = Primitive::Quad {
bounds: Rectangle {
x: bounds.x + dot_size / 2.0,
y: bounds.y + dot_size / 2.0,
width: bounds.width - dot_size,
height: bounds.height - dot_size,
},
background: Background::Color(style.dot_color),
border_radius: dot_size / 2.0,
border_width: 0.0,
border_color: Color::TRANSPARENT,
};
vec![radio, radio_circle, label]
} else {
vec![radio, label]
},
},
if is_mouse_over {
mouse::Interaction::Pointer
} else {
mouse::Interaction::default()
},
)
}
}
|
