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|
//! Display a horizontal or vertical rule for dividing content.
use crate::{Backend, Primitive, Renderer};
use iced_native::mouse;
use iced_native::rule;
use iced_native::{Background, Color, Rectangle};
pub use iced_style::rule::{FillMode, Style, StyleSheet};
/// Display a horizontal or vertical rule for dividing content.
///
/// This is an alias of an `iced_native` rule with an `iced_graphics::Renderer`.
pub type Rule<Backend> = iced_native::Rule<Renderer<Backend>>;
impl<B> rule::Renderer for Renderer<B>
where
B: Backend,
{
type Style = Box<dyn StyleSheet>;
fn draw(
&mut self,
bounds: Rectangle,
style_sheet: &Self::Style,
is_horizontal: bool,
) -> Self::Output {
let style = style_sheet.style();
let line = if is_horizontal {
let line_y = (bounds.y + (bounds.height / 2.0)
- (style.width as f32 / 2.0))
.round();
let (line_x, line_width) = match style.fill_mode {
FillMode::Full => (bounds.x, bounds.width),
FillMode::Percent(percent) => {
if percent >= 100.0 {
(bounds.x, bounds.width)
} else {
let percent_width =
(bounds.width * percent / 100.0).round();
(
bounds.x
+ ((bounds.width - percent_width) / 2.0)
.round(),
percent_width,
)
}
}
FillMode::Padded(padding) => {
if padding == 0 {
(bounds.x, bounds.width)
} else {
let padding = padding as f32;
let mut line_width = bounds.width - (padding * 2.0);
if line_width < 0.0 {
line_width = 0.0;
}
(bounds.x + padding, line_width)
}
}
FillMode::AsymmetricPadding(first_pad, second_pad) => {
let first_pad = first_pad as f32;
let second_pad = second_pad as f32;
let mut line_width = bounds.width - first_pad - second_pad;
if line_width < 0.0 {
line_width = 0.0;
}
(bounds.x + first_pad, line_width)
}
};
Primitive::Quad {
bounds: Rectangle {
x: line_x,
y: line_y,
width: line_width,
height: style.width as f32,
},
background: Background::Color(style.color),
border_radius: style.radius,
border_width: 0,
border_color: Color::TRANSPARENT,
}
} else {
let line_x = (bounds.x + (bounds.width / 2.0)
- (style.width as f32 / 2.0))
.round();
let (line_y, line_height) = match style.fill_mode {
FillMode::Full => (bounds.y, bounds.height),
FillMode::Percent(percent) => {
if percent >= 100.0 {
(bounds.y, bounds.height)
} else {
let percent_height =
(bounds.height * percent / 100.0).round();
(
bounds.y
+ ((bounds.height - percent_height) / 2.0)
.round(),
percent_height,
)
}
}
FillMode::Padded(padding) => {
if padding == 0 {
(bounds.y, bounds.height)
} else {
let padding = padding as f32;
let mut line_height = bounds.height - (padding * 2.0);
if line_height < 0.0 {
line_height = 0.0;
}
(bounds.y + padding, line_height)
}
}
FillMode::AsymmetricPadding(first_pad, second_pad) => {
let first_pad = first_pad as f32;
let second_pad = second_pad as f32;
let mut line_height =
bounds.height - first_pad - second_pad;
if line_height < 0.0 {
line_height = 0.0;
}
(bounds.y + first_pad, line_height)
}
};
Primitive::Quad {
bounds: Rectangle {
x: line_x,
y: line_y,
width: style.width as f32,
height: line_height,
},
background: Background::Color(style.color),
border_radius: style.radius,
border_width: 0,
border_color: Color::TRANSPARENT,
}
};
(line, mouse::Interaction::default())
}
}
|
