1use ratatui::style::Color;
2
3use crate::canvas_timer::SceneStyle;
4
5mod builtin;
6mod catalog;
7mod color;
8mod file;
9mod tokens;
10
11pub use catalog::{themes_dir, ThemeCatalog, ThemeEntry};
12pub use tokens::{ThemeTokens, NAMES as TOKEN_NAMES};
13
14use anyhow::{Context, Result};
15
16use self::builtin::builtin_tokens;
17use self::catalog::ThemeSource;
18use self::file::ThemeFile;
19
20pub struct Theme {
21 pub bg: Color,
22 pub text: Color,
23 pub dim: Color,
24 pub accent: Color,
25 pub on_accent: Color,
26 pub success: Color,
27 pub warning: Color,
28 pub error: Color,
29 pub info: Color,
30 pub progress_dim: Color,
31 pub task_track: Color,
32 pub panel: Color,
33 pub panel_border: Color,
34 pub select_bg: Color,
35 pub select_fg: Color,
36 pub active_bg: Color,
37 pub active_fg: Color,
38}
39
40impl Theme {
41 pub fn from_tokens(tokens: ThemeTokens) -> Self {
42 Self {
43 bg: tokens.bg,
44 text: tokens.text,
45 dim: tokens.dim,
46 accent: tokens.accent,
47 on_accent: tokens.on_accent,
48 success: tokens.success,
49 warning: tokens.warning,
50 error: tokens.error,
51 info: tokens.info,
52 progress_dim: tokens.progress_dim,
53 task_track: tokens.task_track,
54 panel: tokens.panel,
55 panel_border: tokens.panel_border,
56 select_bg: tokens.select_bg,
57 select_fg: tokens.select_fg,
58 active_bg: tokens.active_bg,
59 active_fg: tokens.active_fg,
60 }
61 }
62
63 pub fn into_tokens(self) -> ThemeTokens {
64 ThemeTokens {
65 bg: self.bg,
66 text: self.text,
67 dim: self.dim,
68 accent: self.accent,
69 on_accent: self.on_accent,
70 success: self.success,
71 warning: self.warning,
72 error: self.error,
73 info: self.info,
74 progress_dim: self.progress_dim,
75 task_track: self.task_track,
76 panel: self.panel,
77 panel_border: self.panel_border,
78 select_bg: self.select_bg,
79 select_fg: self.select_fg,
80 active_bg: self.active_bg,
81 active_fg: self.active_fg,
82 }
83 }
84
85 pub fn dark() -> Self {
86 Self {
87 bg: Color::Rgb(15, 15, 20),
88 text: Color::Rgb(225, 225, 230),
89 dim: Color::Rgb(90, 90, 100),
90 accent: Color::Rgb(100, 180, 255),
91 on_accent: Color::Rgb(10, 10, 15),
92 success: Color::Rgb(80, 210, 130),
93 warning: Color::Rgb(245, 185, 70),
94 error: Color::Rgb(245, 85, 85),
95 info: Color::Rgb(170, 140, 250),
96 progress_dim: Color::Rgb(45, 45, 55),
97 task_track: Color::Rgb(35, 35, 42),
98 panel: Color::Rgb(20, 22, 30),
99 panel_border: Color::Rgb(55, 60, 75),
100 select_bg: Color::Rgb(38, 52, 78),
101 select_fg: Color::Rgb(230, 235, 245),
102 active_bg: Color::Rgb(32, 48, 72),
103 active_fg: Color::Rgb(170, 210, 255),
104 }
105 }
106
107 pub fn light() -> Self {
108 Self {
109 bg: Color::Rgb(250, 250, 252),
110 text: Color::Rgb(30, 30, 35),
111 dim: Color::Rgb(140, 140, 150),
112 accent: Color::Rgb(25, 110, 200),
113 on_accent: Color::Rgb(255, 255, 255),
114 success: Color::Rgb(30, 150, 80),
115 warning: Color::Rgb(200, 130, 20),
116 error: Color::Rgb(200, 50, 50),
117 info: Color::Rgb(110, 70, 190),
118 progress_dim: Color::Rgb(200, 205, 215),
119 task_track: Color::Rgb(220, 225, 232),
120 panel: Color::Rgb(242, 245, 250),
121 panel_border: Color::Rgb(190, 198, 210),
122 select_bg: Color::Rgb(210, 225, 245),
123 select_fg: Color::Rgb(20, 40, 70),
124 active_bg: Color::Rgb(195, 218, 245),
125 active_fg: Color::Rgb(15, 60, 120),
126 }
127 }
128
129 pub fn polaris() -> Self {
130 Self {
131 bg: Color::Rgb(10, 14, 30),
132 text: Color::Rgb(215, 225, 250),
133 dim: Color::Rgb(100, 120, 160),
134 accent: Color::Rgb(90, 200, 255),
135 on_accent: Color::Rgb(10, 14, 30),
136 success: Color::Rgb(80, 235, 180),
137 warning: Color::Rgb(255, 160, 75),
138 error: Color::Rgb(255, 95, 120),
139 info: Color::Rgb(180, 135, 255),
140 progress_dim: Color::Rgb(40, 50, 80),
141 task_track: Color::Rgb(25, 35, 60),
142 panel: Color::Rgb(14, 20, 38),
143 panel_border: Color::Rgb(55, 70, 110),
144 select_bg: Color::Rgb(28, 42, 78),
145 select_fg: Color::Rgb(210, 225, 255),
146 active_bg: Color::Rgb(22, 38, 68),
147 active_fg: Color::Rgb(140, 210, 255),
148 }
149 }
150
151 pub fn matrix() -> Self {
152 Self {
153 bg: Color::Rgb(3, 12, 5),
154 text: Color::Rgb(150, 240, 140),
155 dim: Color::Rgb(60, 110, 65),
156 accent: Color::Rgb(80, 230, 90),
157 on_accent: Color::Rgb(0, 0, 0),
158 success: Color::Rgb(70, 220, 110),
159 warning: Color::Rgb(220, 200, 60),
160 error: Color::Rgb(255, 80, 90),
161 info: Color::Rgb(100, 190, 240),
162 progress_dim: Color::Rgb(15, 40, 18),
163 task_track: Color::Rgb(8, 28, 10),
164 panel: Color::Rgb(5, 16, 7),
165 panel_border: Color::Rgb(35, 85, 40),
166 select_bg: Color::Rgb(10, 32, 14),
167 select_fg: Color::Rgb(160, 255, 165),
168 active_bg: Color::Rgb(14, 42, 18),
169 active_fg: Color::Rgb(110, 255, 120),
170 }
171 }
172
173 pub fn scene_style(&self, mode: Color) -> SceneStyle {
174 SceneStyle {
175 mode,
176 track: self.progress_dim,
177 task: self.success,
178 task_dim: self.task_track,
179 bg: self.bg,
180 bg_mid: mix(self.bg, self.panel, 160),
181 bg_light: self.panel,
182 wave: self.accent,
183 core: mode,
184 glow: self.accent,
185 particle: self.dim,
186 text: self.text,
187 session_on: self.accent,
188 session_off: self.dim,
189 }
190 }
191}
192
193pub fn resolve(id: &str, catalog: &ThemeCatalog) -> Result<Theme> {
194 if let Some(tokens) = builtin_tokens(id) {
195 return Ok(Theme::from_tokens(tokens));
196 }
197
198 let entry = catalog.resolve_entry(id)?;
199 let tokens = match &entry.source {
200 ThemeSource::Builtin => builtin_tokens(id).context("builtin theme missing tokens")?,
201 ThemeSource::Embedded(source) => ThemeFile::from_str(source)?.into_tokens()?,
202 ThemeSource::File(path) => ThemeFile::from_path(path)?.into_tokens()?,
203 };
204 Ok(Theme::from_tokens(tokens))
205}
206
207pub fn normalize_theme_id(raw: &str) -> String {
208 raw.trim().to_ascii_lowercase()
209}
210
211fn mix(a: Color, b: Color, t: u8) -> Color {
212 let (ar, ag, ab) = rgb(a);
213 let (br, bg, bb) = rgb(b);
214 let t = t as u16;
215 let inv = 255 - t;
216 Color::Rgb(
217 ((ar as u16 * inv + br as u16 * t) / 255) as u8,
218 ((ag as u16 * inv + bg as u16 * t) / 255) as u8,
219 ((ab as u16 * inv + bb as u16 * t) / 255) as u8,
220 )
221}
222
223fn rgb(c: Color) -> (u8, u8, u8) {
224 match c {
225 Color::Rgb(r, g, b) => (r, g, b),
226 Color::Black => (0, 0, 0),
227 Color::White => (255, 255, 255),
228 _ => (128, 128, 128),
229 }
230}