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Diffstat (limited to '')
| -rw-r--r-- | material_theme/src/lib.rs | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/material_theme/src/lib.rs b/material_theme/src/lib.rs new file mode 100644 index 0000000..6641b74 --- /dev/null +++ b/material_theme/src/lib.rs @@ -0,0 +1,229 @@ +use std::sync::LazyLock; + +use iced_widget::core::Color; +use iced_widget::core::theme::{Base, Style}; +use serde::Deserialize; + +pub mod button; +pub mod container; +pub mod text; +pub mod utils; + +const DARK_THEME_CONTENT: &str = include_str!("../assets/themes/dark.toml"); +const LIGHT_THEME_CONTENT: &str = include_str!("../assets/themes/light.toml"); + +#[derive(Debug, PartialEq, Deserialize)] +pub struct Theme { + pub name: String, + #[serde(flatten)] + pub colorscheme: ColorScheme, +} + +impl Theme { + pub fn new(name: impl Into<String>, colorscheme: ColorScheme) -> Self { + Self { + name: name.into(), + colorscheme, + } + } +} + +impl Clone for Theme { + fn clone(&self) -> Self { + Self { + name: self.name.clone(), + colorscheme: self.colorscheme, + } + } + + fn clone_from(&mut self, source: &Self) { + self.name = source.name.clone(); + self.colorscheme = source.colorscheme; + } +} + +impl Default for Theme { + fn default() -> Self { + match dark_light::detect().unwrap_or(dark_light::Mode::Unspecified) { + dark_light::Mode::Dark | dark_light::Mode::Unspecified => { + DARK.clone() + } + dark_light::Mode::Light => LIGHT.clone(), + } + } +} + +impl Base for Theme { + fn base(&self) -> Style { + Style { + background_color: self.colorscheme.surface.color, + text_color: self.colorscheme.surface.on_surface, + } + } +} + +#[derive(Debug, Clone, Copy, PartialEq, Deserialize)] +pub struct ColorScheme { + pub primary: Primary, + pub secondary: Secondary, + pub tertiary: Tertiary, + pub error: Error, + pub surface: Surface, + pub inverse: Inverse, + pub outline: Outline, + #[serde(with = "color_serde")] + pub shadow: Color, +} + +pub static DARK: LazyLock<Theme> = LazyLock::new(|| { + toml::from_str(DARK_THEME_CONTENT).expect("parse dark theme") +}); + +pub static LIGHT: LazyLock<Theme> = LazyLock::new(|| { + toml::from_str(LIGHT_THEME_CONTENT).expect("parse light theme") +}); + +#[derive(Debug, Clone, Copy, PartialEq, Deserialize)] +pub struct Primary { + #[serde(with = "color_serde")] + pub color: Color, + #[serde(with = "color_serde")] + pub on_primary: Color, + #[serde(with = "color_serde")] + pub primary_container: Color, + #[serde(with = "color_serde")] + pub on_primary_container: Color, +} + +#[derive(Debug, Clone, Copy, PartialEq, Deserialize)] +pub struct Secondary { + #[serde(with = "color_serde")] + pub color: Color, + #[serde(with = "color_serde")] + pub on_secondary: Color, + #[serde(with = "color_serde")] + pub secondary_container: Color, + #[serde(with = "color_serde")] + pub on_secondary_container: Color, +} + +#[derive(Debug, Clone, Copy, PartialEq, Deserialize)] +pub struct Tertiary { + #[serde(with = "color_serde")] + pub color: Color, + #[serde(with = "color_serde")] + pub on_tertiary: Color, + #[serde(with = "color_serde")] + pub tertiary_container: Color, + #[serde(with = "color_serde")] + pub on_tertiary_container: Color, +} + +#[derive(Debug, Clone, Copy, PartialEq, Deserialize)] +pub struct Error { + #[serde(with = "color_serde")] + pub color: Color, + #[serde(with = "color_serde")] + pub on_error: Color, + #[serde(with = "color_serde")] + pub error_container: Color, + #[serde(with = "color_serde")] + pub on_error_container: Color, +} + +#[derive(Debug, Clone, Copy, PartialEq, Deserialize)] +pub struct Surface { + #[serde(with = "color_serde")] + pub color: Color, + #[serde(with = "color_serde")] + pub on_surface: Color, + #[serde(with = "color_serde")] + pub on_surface_variant: Color, + pub surface_container: SurfaceContainer, +} + +#[derive(Debug, Clone, Copy, PartialEq, Deserialize)] +pub struct SurfaceContainer { + #[serde(with = "color_serde")] + pub lowest: Color, + #[serde(with = "color_serde")] + pub low: Color, + #[serde(with = "color_serde")] + pub base: Color, + #[serde(with = "color_serde")] + pub high: Color, + #[serde(with = "color_serde")] + pub highest: Color, +} + +#[derive(Debug, Clone, Copy, PartialEq, Deserialize)] +pub struct Inverse { + #[serde(with = "color_serde")] + pub inverse_surface: Color, + #[serde(with = "color_serde")] + pub inverse_on_surface: Color, + #[serde(with = "color_serde")] + pub inverse_primary: Color, +} + +#[derive(Debug, Clone, Copy, PartialEq, Deserialize)] +pub struct Outline { + #[serde(with = "color_serde")] + pub color: Color, + #[serde(with = "color_serde")] + pub variant: Color, +} + +pub fn parse_argb(s: &str) -> Option<Color> { + let hex = s.strip_prefix('#').unwrap_or(s); + + let parse_channel = |from: usize, to: usize| { + let num = + usize::from_str_radix(&hex[from..=to], 16).ok()? as f32 / 255.0; + + // If we only got half a byte (one letter), expand it into a full byte (two letters) + Some(if from == to { num + num * 16.0 } else { num }) + }; + + Some(match hex.len() { + 3 => Color::from_rgb( + parse_channel(0, 0)?, + parse_channel(1, 1)?, + parse_channel(2, 2)?, + ), + 4 => Color::from_rgba( + parse_channel(1, 1)?, + parse_channel(2, 2)?, + parse_channel(3, 3)?, + parse_channel(0, 0)?, + ), + 6 => Color::from_rgb( + parse_channel(0, 1)?, + parse_channel(2, 3)?, + parse_channel(4, 5)?, + ), + 8 => Color::from_rgba( + parse_channel(2, 3)?, + parse_channel(4, 5)?, + parse_channel(6, 7)?, + parse_channel(0, 1)?, + ), + _ => None?, + }) +} + +mod color_serde { + use iced_widget::core::Color; + use serde::{Deserialize, Deserializer}; + + use super::parse_argb; + + pub fn deserialize<'de, D>(deserializer: D) -> Result<Color, D::Error> + where + D: Deserializer<'de>, + { + Ok(String::deserialize(deserializer) + .map(|hex| parse_argb(&hex))? + .unwrap_or(Color::TRANSPARENT)) + } +} |