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use once_cell::sync::OnceCell;
use std::{
collections::HashMap,
sync::{Arc, RwLock},
};
use crate::foundation::colorspace::Color;
pub const DEFAULT_DARK_THEME: &'static str = "Default Dark";
pub const DEFAULT_LIGHT_THEME: &'static str = "Default Light";
#[derive(Default, Clone)]
pub struct Theme {
pub name: String,
pub window_bg_col: Color,
pub window_tint_col: Color,
pub accent_col: Color,
pub accent_hover_col: Color,
pub accent_select_col: Color,
pub button_col: Color,
pub button_text_col: Color,
pub button_hover_col: Color,
pub button_pressed_col: Color,
pub text_col: Color,
pub label_col: Color,
pub separator_col: Color,
pub highlight_col: Color,
pub context_col: Color,
pub panel_bg_col: Color,
pub font_size: u32,
pub element_w: u32,
pub element_h: u32,
pub element_offset: u32,
pub arrow_size: u32,
pub button_h: u32,
pub check_size: u32,
pub check_select_size: u32,
pub scroll_w: u32,
pub text_offset: u32,
pub tab_w: u32,
pub fill_window_bg: bool,
pub fill_button_bg: bool,
pub fill_accent_bg: bool,
pub link_style: LinkStyle,
pub full_tabs: bool,
}
#[derive(Copy, Clone, PartialEq, Eq)]
pub enum LinkStyle {
Line = 0,
CubicBezier = 1,
}
impl Default for LinkStyle {
fn default() -> Self {
Self::Line
}
}
#[derive(Default)]
struct ThemeRegistry {
themes: Arc<RwLock<HashMap<String, Theme>>>,
}
impl ThemeRegistry {
pub fn new() -> Self {
let instance = Self::default();
instance.register(DEFAULT_DARK_THEME, default_dark());
instance.register(DEFAULT_LIGHT_THEME, default_light());
instance
}
pub fn register<T: Into<String>>(&self, name: T, theme: Theme) {
match self.themes.write() {
Ok(mut themes) => {
themes.insert(name.into(), theme);
}
Err(e) => panic!("RwLock poisoned"),
}
}
pub fn get<T: Into<String>>(&self, name: T) -> Option<Theme> {
match self.themes.read() {
Ok(themes) => themes.get(&name.into()).map(|theme| theme.clone()),
Err(e) => panic!("RwLock poisoned"),
}
}
pub fn global() -> &'static Self {
static THEME_REGISTRY: OnceCell<ThemeRegistry> = OnceCell::new();
THEME_REGISTRY.get_or_init(|| Self::new())
}
}
pub struct Themes;
impl Themes {
pub fn register<T: Into<String>>(name: T, theme: Theme) {
ThemeRegistry::global().register(name, theme)
}
pub fn get<T: Into<String>>(name: T) -> Option<Theme> {
ThemeRegistry::global().get(name)
}
}
fn default_dark() -> Theme {
Theme {
name: DEFAULT_DARK_THEME.into(),
window_bg_col: Color::rgb(0x33, 0x33, 0x33),
window_tint_col: Color::rgb(0xff, 0xff, 0xff),
accent_col: Color::rgb(0x44, 0x44, 0x44),
accent_hover_col: Color::rgb(0x49, 0x49, 0x49),
accent_select_col: Color::rgb(0x60, 0x60, 0x60),
button_col: Color::rgb(0x46, 0x46, 0x46),
button_text_col: Color::rgb(0xe8, 0xe7, 0xe5),
button_hover_col: Color::rgb(0x49, 0x49, 0x49),
button_pressed_col: Color::rgb(0x1b, 0x1b, 0x1b),
text_col: Color::rgb(0xe8, 0xe7, 0xe5),
label_col: Color::rgb(0xc8, 0xc8, 0xc8),
separator_col: Color::rgb(0x27, 0x27, 0x27),
highlight_col: Color::rgb(0x20, 0x5d, 0x9c),
context_col: Color::rgb(0x22, 0x22, 0x22),
panel_bg_col: Color::rgb(0x3b, 0x3b, 0x3b),
font_size: 13,
element_w: 100,
element_h: 24,
element_offset: 4,
arrow_size: 5,
button_h: 22,
check_size: 15,
check_select_size: 8,
scroll_w: 6,
text_offset: 8,
tab_w: 6,
fill_window_bg: false,
fill_button_bg: true,
fill_accent_bg: false,
link_style: LinkStyle::Line,
full_tabs: false,
}
}
fn default_light() -> Theme {
Theme {
name: DEFAULT_LIGHT_THEME.into(),
window_bg_col: Color::rgb(0xef, 0xef, 0xef),
window_tint_col: Color::rgb(0x22, 0x22, 0x22),
accent_col: Color::rgb(0xee, 0xee, 0xee),
accent_hover_col: Color::rgb(0xbb, 0xbb, 0xbb),
accent_select_col: Color::rgb(0xaa, 0xaa, 0xaa),
button_col: Color::rgb(0xcc, 0xcc, 0xcc),
button_text_col: Color::rgb(0x22, 0x22, 0x22),
button_hover_col: Color::rgb(0xb3, 0xb3, 0xb3),
button_pressed_col: Color::rgb(0xb1, 0xb1, 0xb1),
text_col: Color::rgb(0x99, 0x99, 0x99),
label_col: Color::rgb(0xaa, 0xaa, 0xaa),
separator_col: Color::rgb(0x99, 0x99, 0x99),
highlight_col: Color::rgb(0x20, 0x5d, 0x9c),
context_col: Color::rgb(0xaa, 0xaa, 0xaa),
panel_bg_col: Color::rgb(0xaa, 0xaa, 0xaa),
font_size: 13 * 2,
element_w: 100 * 2,
element_h: 24 * 2,
element_offset: 4 * 2,
arrow_size: 5 * 2,
button_h: 22 * 2,
check_size: 15 * 2,
check_select_size: 8 * 2,
scroll_w: 6 * 2,
text_offset: 8 * 2,
tab_w: 12 * 2,
fill_window_bg: false,
fill_button_bg: true,
fill_accent_bg: false,
link_style: LinkStyle::Line,
full_tabs: false,
}
}
