Add native ScreenCast portal with PipeWire monitor streams
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Samuel Onoja committed
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@@ -0,0 +1,264 @@
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use crate::capture::Source;
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use cosmic::{
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ApplicationExt, Element,
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app::{Core, Settings, Task},
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iced::Length,
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widget::{button, column, container, row, text},
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};
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use serde::{Deserialize, Serialize};
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use std::io::{Read, Write};
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#[derive(Clone, Serialize, Deserialize)]
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pub struct Prompt {
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pub app: String,
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pub sources: Vec<Source>,
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pub multiple: bool,
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pub indicator: bool,
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}
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#[derive(Clone, Debug)]
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enum Message {
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Select(usize),
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Share,
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Cancel,
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}
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struct Picker {
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core: Core,
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prompt: Prompt,
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selected: Vec<usize>,
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}
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pub fn run() -> Result<(), Box<dyn std::error::Error>> {
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let mut input = String::new();
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std::io::stdin()
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.take(64 * 1024)
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.read_to_string(&mut input)?;
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let prompt: Prompt = serde_json::from_str(&input)?;
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if prompt.sources.is_empty() || prompt.sources.len() > 16 {
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return Err("No shareable displays".into());
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}
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let (theme, font) = appearance();
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cosmic::app::run::<Picker>(
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Settings::default()
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.size(cosmic::iced::Size::new(480., 440.))
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.theme(theme)
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.default_font(font)
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.default_text_size(14.)
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.is_daemon(false),
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prompt,
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)?;
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Ok(())
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}
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impl cosmic::Application for Picker {
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type Executor = cosmic::executor::Default;
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type Flags = Prompt;
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type Message = Message;
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const APP_ID: &'static str = "dev.ferese.ScreenShare";
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fn core(&self) -> &Core {
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&self.core
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}
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fn core_mut(&mut self) -> &mut Core {
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&mut self.core
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}
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fn init(core: Core, prompt: Prompt) -> (Self, Task<Message>) {
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// No preselected source: clicking Share must be a deliberate choice.
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let mut app = Self {
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core,
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prompt,
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selected: Vec::new(),
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};
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let title = if app.prompt.indicator {
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"Ferese — screen sharing"
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} else {
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"Ferese — share your screen"
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};
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let task = app
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.core
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.main_window_id()
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.map(|id| app.set_window_title(title.into(), id))
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.unwrap_or_else(Task::none);
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(app, task)
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}
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fn update(&mut self, message: Message) -> Task<Message> {
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match message {
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Message::Select(index) if index < self.prompt.sources.len() => {
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if self.selected.contains(&index) {
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self.selected.retain(|i| *i != index);
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} else {
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if !self.prompt.multiple {
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self.selected.clear();
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}
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if self.selected.len() < 4 {
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self.selected.push(index);
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}
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}
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}
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Message::Share if !self.selected.is_empty() => {
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let names: Vec<_> = self
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.selected
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.iter()
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.map(|i| &self.prompt.sources[*i].name)
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.collect();
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println!("{}", serde_json::to_string(&names).unwrap());
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let _ = std::io::stdout().flush();
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return cosmic::iced::exit();
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}
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Message::Cancel => return cosmic::iced::exit(),
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_ => (),
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}
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Task::none()
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}
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fn view(&self) -> Element<'_, Message> {
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let app = if self.prompt.app.is_empty() {
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"An application"
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} else {
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&self.prompt.app
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};
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let mut content = column([])
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.spacing(16)
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.push(
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text(if self.prompt.indicator {
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"Your screen is being shared"
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} else {
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"Share your screen"
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})
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.size(24),
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)
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.push(text(if self.prompt.indicator {
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format!("{app} can see the displays below.")
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} else {
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format!("{app} wants to see your screen. Choose what to share.")
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}));
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for (index, source) in self.prompt.sources.iter().enumerate() {
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let label = format!(
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"{}{} — {} × {}",
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if self.selected.contains(&index) {
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"✓ "
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} else {
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""
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},
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source.name,
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source.width,
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source.height
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);
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if self.prompt.indicator {
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content = content.push(text(label));
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} else {
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content = content.push(
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button::text(label)
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.width(Length::Fill)
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.on_press(Message::Select(index)),
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);
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}
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}
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content = content.push(text(
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"Everything visible on a shared display, including notifications, may be seen.",
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));
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if self.prompt.indicator {
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content = content.push(button::destructive("Stop sharing").on_press(Message::Cancel));
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} else {
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let mut share = button::suggested("Share");
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if !self.selected.is_empty() {
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share = share.on_press(Message::Share);
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}
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content = content.push(
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row([])
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.spacing(12)
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.push(button::text("Cancel").on_press(Message::Cancel))
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.push(share),
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);
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}
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container(content).padding(24).width(Length::Fill).into()
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}
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}
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fn appearance() -> (cosmic::Theme, cosmic::font::Font) {
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let document = ferese_config::config_path()
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.and_then(|p| std::fs::read_to_string(p).ok())
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.and_then(|s| ferese_config::Document::parse(&s).ok());
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let string = |key: &str, fallback: &str| {
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document
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.as_ref()
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.and_then(|d| d.get(key))
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.and_then(|v| v.as_str())
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.unwrap_or(fallback)
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.to_owned()
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};
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let rgba = |key, fallback| {
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let s = string(key, fallback);
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let parse = |s: &str| {
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let hex = s.strip_prefix('#')?;
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let n = u32::from_str_radix(hex, 16).ok()?;
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Some(match hex.len() {
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6 => (n << 8) | 255,
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8 => n,
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_ => return None,
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})
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};
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let n = parse(&s).unwrap_or_else(|| parse(fallback).unwrap());
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cosmic::cosmic_theme::palette::Srgba::new(
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((n >> 24) & 255) as f32 / 255.,
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((n >> 16) & 255) as f32 / 255.,
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((n >> 8) & 255) as f32 / 255.,
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(n & 255) as f32 / 255.,
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)
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};
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let background = rgba("theme.colors.surface_base", "#111821");
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let foreground = rgba("theme.colors.text_primary", "#F4F7FB");
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let accent = rgba("theme.colors.accent", "#3D7BE6");
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let radius = document
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.as_ref()
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.and_then(|d| d.get("theme.geometry.shell_radius"))
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.and_then(|v| v.as_f64())
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.unwrap_or(14.)
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.clamp(0., 40.) as f32;
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let corners = cosmic::cosmic_theme::CornerRadii {
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radius_xs: [radius.min(4.); 4],
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radius_s: [radius.min(8.); 4],
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radius_m: [radius; 4],
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radius_l: [radius; 4],
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radius_xl: [radius; 4],
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..Default::default()
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};
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let builder = if background.red + background.green + background.blue > 1.8 {
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cosmic::cosmic_theme::ThemeBuilder::light()
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} else {
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cosmic::cosmic_theme::ThemeBuilder::dark()
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};
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let theme = cosmic::Theme::custom(std::sync::Arc::new(
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builder
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.bg_color(background)
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.primary_container_bg(background)
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.text_tint(foreground.color)
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.accent(accent.color)
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.corner_radii(corners)
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.build(),
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));
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let family: &'static str =
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Box::leak(string("theme.typography.font_family", "Inter").into_boxed_str());
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(
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theme,
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cosmic::font::Font {
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family: cosmic::iced::font::Family::Name(family),
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..cosmic::font::default()
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},
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)
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}
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