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use crate::backend::{self, Backend};
use crate::{Primitive, Renderer};
use iced_native::{
mouse, Font, HorizontalAlignment, Point, Rectangle, VerticalAlignment,
};
use iced_style::menu;
pub use iced_native::pick_list::State;
pub use iced_style::pick_list::{Style, StyleSheet};
pub type PickList<'a, T, Message, Backend> =
iced_native::PickList<'a, T, Message, Renderer<Backend>>;
impl<B> iced_native::pick_list::Renderer for Renderer<B>
where
B: Backend + backend::Text,
{
type Style = Box<dyn StyleSheet>;
const DEFAULT_PADDING: u16 = 5;
fn menu_style(style: &Box<dyn StyleSheet>) -> menu::Style {
style.menu()
}
fn draw(
&mut self,
bounds: Rectangle,
cursor_position: Point,
selected: Option<String>,
padding: u16,
text_size: u16,
font: Font,
style: &Box<dyn StyleSheet>,
) -> Self::Output {
let is_mouse_over = bounds.contains(cursor_position);
let style = if is_mouse_over {
style.hovered()
} else {
style.active()
};
let background = Primitive::Quad {
bounds,
background: style.background,
border_color: style.border_color,
border_width: style.border_width,
border_radius: style.border_radius,
};
let arrow_down = Primitive::Text {
content: B::ARROW_DOWN_ICON.to_string(),
font: B::ICON_FONT,
size: bounds.height * style.icon_size,
bounds: Rectangle {
x: bounds.x + bounds.width - f32::from(padding) * 2.0,
y: bounds.center_y(),
..bounds
},
color: style.text_color,
horizontal_alignment: HorizontalAlignment::Right,
vertical_alignment: VerticalAlignment::Center,
};
(
Primitive::Group {
primitives: if let Some(label) = selected {
let label = Primitive::Text {
content: label,
size: f32::from(text_size),
font,
color: style.text_color,
bounds: Rectangle {
x: bounds.x + f32::from(padding),
y: bounds.center_y(),
..bounds
},
horizontal_alignment: HorizontalAlignment::Left,
vertical_alignment: VerticalAlignment::Center,
};
vec![background, label, arrow_down]
} else {
vec![background, arrow_down]
},
},
if is_mouse_over {
mouse::Interaction::Pointer
} else {
mouse::Interaction::default()
},
)
}
}