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|
use iced_widget::button::{Catalog, Status, Style, StyleFn};
use iced_widget::core::{Background, Border, Color, border};
use crate::Theme;
use crate::utils::{
HOVERED_LAYER_OPACITY, PRESSED_LAYER_OPACITY, disabled_container,
disabled_text, elevation, mix, shadow_from_elevation,
};
impl Catalog for Theme {
type Class<'a> = StyleFn<'a, Self>;
fn default<'a>() -> Self::Class<'a> {
Box::new(filled)
}
fn style(&self, class: &Self::Class<'_>, status: Status) -> Style {
class(self, status)
}
}
fn button(
background: Color,
foreground: Color,
disabled: Color,
shadow_color: Color,
elevation_level: u8,
status: Status,
) -> Style {
let active = Style {
background: Some(Background::Color(background)),
text_color: foreground,
border: border::rounded(400),
shadow: shadow_from_elevation(elevation(elevation_level), shadow_color),
snap: cfg!(feature = "crisp"),
};
match status {
Status::Active => active,
Status::Pressed => Style {
background: Some(Background::Color(mix(
background,
foreground,
HOVERED_LAYER_OPACITY,
))),
..active
},
Status::Hovered => Style {
background: Some(Background::Color(mix(
background,
foreground,
PRESSED_LAYER_OPACITY,
))),
shadow: shadow_from_elevation(
elevation(elevation_level + 1),
shadow_color,
),
..active
},
Status::Disabled => Style {
background: Some(Background::Color(disabled_container(disabled))),
text_color: disabled_text(disabled),
border: border::rounded(400),
..Default::default()
},
}
}
pub fn elevated(theme: &Theme, status: Status) -> Style {
let surface = theme.colors().surface;
let foreground = theme.colors().primary.color;
let background = surface.surface_container.low;
let disabled = surface.on_surface;
let shadow_color = theme.colors().shadow;
button(background, foreground, disabled, shadow_color, 1, status)
}
pub fn filled(theme: &Theme, status: Status) -> Style {
let primary = theme.colors().primary;
let foreground = primary.on_primary;
let background = primary.color;
let disabled = theme.colors().surface.on_surface;
let shadow_color = theme.colors().shadow;
button(background, foreground, disabled, shadow_color, 0, status)
}
pub fn filled_tonal(theme: &Theme, status: Status) -> Style {
let secondary = theme.colors().secondary;
let foreground = secondary.on_secondary_container;
let background = secondary.secondary_container;
let disabled = theme.colors().surface.on_surface;
let shadow_color = theme.colors().shadow;
button(background, foreground, disabled, shadow_color, 0, status)
}
pub fn outlined(theme: &Theme, status: Status) -> Style {
let foreground = theme.colors().primary.color;
let background = Color::TRANSPARENT;
let disabled = theme.colors().surface.on_surface;
let outline = theme.colors().outline.color;
let border = match status {
Status::Active | Status::Pressed | Status::Hovered => Border {
color: outline,
width: 1.0,
radius: 400.into(),
},
Status::Disabled => Border {
color: disabled_container(disabled),
width: 1.0,
radius: 400.into(),
},
};
let style = button(
background,
foreground,
disabled,
Color::TRANSPARENT,
0,
status,
);
Style { border, ..style }
}
pub fn text(theme: &Theme, status: Status) -> Style {
let foreground = theme.colors().primary.color;
let background = Color::TRANSPARENT;
let disabled = theme.colors().surface.on_surface;
let style = button(
background,
foreground,
disabled,
Color::TRANSPARENT,
0,
status,
);
match status {
Status::Hovered | Status::Pressed => style,
Status::Active | Status::Disabled => Style {
background: None,
..style
},
}
}
|
