cosmic/widget/progress_bar/
style.rs

1use iced::Color;
2
3#[derive(Debug, Clone, Copy)]
4pub struct Appearance {
5    /// The track [`Color`] of the progress indicator.
6    pub track_color: Color,
7    /// The bar [`Color`] of the progress indicator.
8    pub bar_color: Color,
9    /// The border [`Color`] of the progress indicator.
10    pub border_color: Option<Color>,
11    /// The border radius of the progress indicator.
12    pub border_radius: f32,
13}
14
15impl std::default::Default for Appearance {
16    fn default() -> Self {
17        Self {
18            track_color: Color::TRANSPARENT,
19            bar_color: Color::BLACK,
20            border_color: None,
21            border_radius: 0.0,
22        }
23    }
24}
25
26/// A set of rules that dictate the style of an indicator.
27pub trait StyleSheet {
28    /// The supported style of the [`StyleSheet`].
29    type Style: Default;
30
31    /// Produces the active [`Appearance`] of a indicator.
32    fn appearance(
33        &self,
34        style: &Self::Style,
35        is_determinate: bool,
36        is_circular: bool,
37    ) -> Appearance;
38}
39
40impl StyleSheet for iced::Theme {
41    type Style = ();
42
43    fn appearance(
44        &self,
45        _style: &Self::Style,
46        _is_determinate: bool,
47        _is_circular: bool,
48    ) -> Appearance {
49        let palette = self.extended_palette();
50
51        Appearance {
52            track_color: palette.background.weak.color,
53            bar_color: palette.primary.base.color,
54            border_color: None,
55            border_radius: 0.0,
56        }
57    }
58}
59
60impl StyleSheet for crate::Theme {
61    type Style = ();
62
63    fn appearance(
64        &self,
65        _style: &Self::Style,
66        is_determinate: bool,
67        is_circular: bool,
68    ) -> Appearance {
69        let cur = self.current_container();
70        let mut cur_divider = cur.divider;
71        cur_divider.alpha = 0.5;
72        let theme = self.cosmic();
73
74        let (mut track_color, bar_color) = if theme.is_dark && theme.is_high_contrast {
75            (
76                theme.palette.neutral_6.into(),
77                theme.accent_text_color().into(),
78            )
79        } else if theme.is_dark {
80            (theme.palette.neutral_5.into(), theme.accent_color().into())
81        } else if theme.is_high_contrast {
82            (
83                theme.palette.neutral_4.into(),
84                theme.accent_text_color().into(),
85            )
86        } else {
87            (theme.palette.neutral_3.into(), theme.accent_color().into())
88        };
89
90        if !is_determinate && is_circular {
91            track_color = Color::TRANSPARENT;
92        }
93
94        Appearance {
95            track_color,
96            bar_color,
97            border_color: if is_determinate && theme.is_high_contrast {
98                Some(cur_divider.into())
99            } else {
100                None
101            },
102            border_radius: theme.corner_radii.radius_xl[0],
103        }
104    }
105}
cosmic/widget/progress_bar/style.rs

cosmic/widget/progress_bar/
style.rs
