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|
use crate::backend::Backend;
use crate::{Primitive, Renderer};
use iced_native::{
layer, mouse, Background, Color, Font, HorizontalAlignment, Point,
Rectangle, VerticalAlignment,
};
impl<B> layer::menu::Renderer for Renderer<B>
where
B: Backend,
{
fn decorate(
&mut self,
bounds: Rectangle,
_cursor_position: Point,
(primitives, mouse_cursor): Self::Output,
) -> Self::Output {
(
Primitive::Group {
primitives: vec![
Primitive::Quad {
bounds,
background: Background::Color(
[0.87, 0.87, 0.87].into(),
),
border_color: [0.7, 0.7, 0.7].into(),
border_width: 1,
border_radius: 0,
},
primitives,
],
},
mouse_cursor,
)
}
fn draw<T: ToString>(
&mut self,
bounds: Rectangle,
cursor_position: Point,
options: &[T],
hovered_option: Option<usize>,
text_size: u16,
padding: u16,
) -> Self::Output {
use std::f32;
let is_mouse_over = bounds.contains(cursor_position);
let mut primitives = Vec::new();
for (i, option) in options.iter().enumerate() {
let is_selected = hovered_option == Some(i);
let bounds = Rectangle {
x: bounds.x,
y: bounds.y
+ ((text_size as usize + padding as usize * 2) * i) as f32,
width: bounds.width,
height: f32::from(text_size + padding * 2),
};
if is_selected {
primitives.push(Primitive::Quad {
bounds,
background: Background::Color([0.4, 0.4, 1.0].into()),
border_color: Color::TRANSPARENT,
border_width: 0,
border_radius: 0,
});
}
primitives.push(Primitive::Text {
content: option.to_string(),
bounds: Rectangle {
x: bounds.x + f32::from(padding),
y: bounds.center_y(),
width: f32::INFINITY,
..bounds
},
size: f32::from(text_size),
font: Font::Default,
color: if is_selected {
Color::WHITE
} else {
Color::BLACK
},
horizontal_alignment: HorizontalAlignment::Left,
vertical_alignment: VerticalAlignment::Center,
});
}
(
Primitive::Group { primitives },
if is_mouse_over {
mouse::Interaction::Pointer
} else {
mouse::Interaction::default()
},
)
}
}
|
