131 lines
4.3 KiB
Rust
131 lines
4.3 KiB
Rust
use gtk4::CssProvider;
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use serde::Deserialize;
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use std::cell::RefCell;
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thread_local! {
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static PROVIDER: RefCell<Option<CssProvider>> = const { RefCell::new(None) };
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static USER_PROVIDER: RefCell<Option<CssProvider>> = const { RefCell::new(None) };
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}
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#[derive(Deserialize)]
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struct WalColors {
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special: Special,
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colors: Colors,
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}
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#[derive(Deserialize)]
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struct Special {
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background: String,
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}
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#[derive(Deserialize)]
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struct Colors {
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color0: String,
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color1: String,
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color15: String,
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}
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fn hex_to_rgba(hex: &str, alpha: f32) -> String {
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let h = hex.trim_start_matches('#');
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let r = u8::from_str_radix(&h[0..2], 16).unwrap_or(0);
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let g = u8::from_str_radix(&h[2..4], 16).unwrap_or(0);
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let b = u8::from_str_radix(&h[4..6], 16).unwrap_or(0);
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format!("rgba({r},{g},{b},{alpha})")
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}
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fn load_css() -> String {
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let home = std::env::var("HOME").unwrap_or_default();
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let text =
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std::fs::read_to_string(format!("{home}/.cache/wal/colors.json")).unwrap_or_default();
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let (bg, surface, fg, accent) = if let Ok(wal) = serde_json::from_str::<WalColors>(&text) {
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(
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wal.special.background,
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wal.colors.color0,
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wal.colors.color15,
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wal.colors.color1,
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)
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} else {
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(
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"#1e1e2e".to_string(),
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"#181825".to_string(),
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"#cdd6f4".to_string(),
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"#89b4fa".to_string(),
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)
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};
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format!(
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"* {{ font-family: 'JetBrainsMono Nerd Font Mono', monospace; font-size: 14px; }}\
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window.breadbar {{ background-color: {bg_rgba}; border-radius: 0; }}\
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label {{ color: {fg}; }}\
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.workspace-btn {{ background: transparent; color: {fg}; opacity: 0.45;\
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border-radius: 0 0 8px 8px; border: none; outline: none; box-shadow: none;\
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min-width: 24px; padding: 2px 8px; }}\
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.workspace-btn:hover {{ opacity: 0.8; }}\
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.workspace-btn.active {{ background: {accent}; opacity: 1; }}\
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.stats-box {{ margin-right: 8px; }}\
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.stat-pair {{ margin-right: 8px; }}\
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.stat-icon {{ margin-right: 3px; }}\
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.bt-icon {{ margin-right: 8px; }}\
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window.breadbar-notification {{ background-color: alpha({bg_plain}, 0.95); }}\
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.notification-card {{ background: {surface}; border-radius: 6px;\
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padding: 10px; margin-bottom: 4px; }}\
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.notification-summary {{ font-weight: bold; color: {fg}; }}\
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.notification-app {{ color: {fg}; opacity: 0.6; }}\
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.notification-body {{ color: {fg}; }}",
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bg_plain = bg,
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bg_rgba = hex_to_rgba(&bg, 0.92),
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surface = surface,
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fg = fg,
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accent = accent,
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)
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}
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pub fn apply() {
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let css = load_css();
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let display = gtk4::gdk::Display::default().expect("no display");
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PROVIDER.with(|cell| {
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let mut guard = cell.borrow_mut();
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if let Some(p) = guard.as_ref() {
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p.load_from_string(&css);
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} else {
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let p = CssProvider::new();
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p.load_from_string(&css);
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gtk4::style_context_add_provider_for_display(
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&display,
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&p,
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gtk4::STYLE_PROVIDER_PRIORITY_APPLICATION,
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);
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*guard = Some(p);
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}
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});
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// User override: ~/.config/breadbar/style.css — send SIGHUP to reload.
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let home = std::env::var("HOME").unwrap_or_default();
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let user_path = format!("{home}/.config/breadbar/style.css");
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USER_PROVIDER.with(|cell| {
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let mut guard = cell.borrow_mut();
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match std::fs::read_to_string(&user_path) {
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Ok(user_css) => {
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if let Some(p) = guard.as_ref() {
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p.load_from_string(&user_css);
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} else {
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let p = CssProvider::new();
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p.load_from_string(&user_css);
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gtk4::style_context_add_provider_for_display(
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&display,
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&p,
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gtk4::STYLE_PROVIDER_PRIORITY_USER,
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);
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*guard = Some(p);
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}
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}
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Err(_) => {
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if let Some(p) = guard.as_ref() {
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p.load_from_string("");
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}
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}
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}
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});
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}
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