906 lines
32 KiB
Rust
906 lines
32 KiB
Rust
// Copyright 2023 System76 <info@system76.com>
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// SPDX-License-Identifier: MPL-2.0
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//! Build interactive cross-platform COSMIC applications.
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//!
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//! Check out our [application](https://github.com/pop-os/libcosmic/tree/master/examples/application)
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//! example in our repository.
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mod action;
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pub use action::Action;
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use cosmic_config::CosmicConfigEntry;
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pub mod context_drawer;
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pub use context_drawer::{ContextDrawer, context_drawer};
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use iced::application::BootFn;
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pub mod cosmic;
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pub mod settings;
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pub type Task<M> = iced::Task<crate::Action<M>>;
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pub use crate::Core;
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use crate::prelude::*;
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use crate::theme::THEME;
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use crate::widget::{container, id_container, menu, nav_bar, popover, space};
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use apply::Apply;
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use iced::{Length, Subscription};
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use iced::{theme, window};
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pub use settings::Settings;
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use std::borrow::Cow;
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use std::{cell::RefCell, rc::Rc};
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#[cold]
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pub(crate) fn iced_settings<App: Application>(
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settings: Settings,
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flags: App::Flags,
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) -> (iced::Settings, (Core, App::Flags), iced::window::Settings) {
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preload_fonts();
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let mut core = Core::default();
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core.debug = settings.debug;
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core.icon_theme_override = settings.default_icon_theme.is_some();
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core.set_scale_factor(settings.scale_factor);
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core.set_window_width(settings.size.width);
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core.set_window_height(settings.size.height);
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if let Some(icon_theme) = settings.default_icon_theme {
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crate::icon_theme::set_default(icon_theme);
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} else {
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crate::icon_theme::set_default(crate::config::icon_theme());
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}
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THEME.lock().unwrap().set_theme(settings.theme.theme_type);
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if settings.no_main_window {
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core.main_window = Some(iced::window::Id::NONE);
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}
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let mut iced = iced::Settings::default();
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iced.antialiasing = settings.antialiasing;
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iced.default_font = settings.default_font;
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iced.default_text_size = iced::Pixels(settings.default_text_size);
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let exit_on_close = settings.exit_on_close;
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iced.is_daemon = false;
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iced.exit_on_close_request = settings.is_daemon;
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let mut window_settings = iced::window::Settings::default();
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window_settings.exit_on_close_request = exit_on_close;
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iced.id = Some(App::APP_ID.to_owned());
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#[cfg(target_os = "linux")]
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{
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window_settings.platform_specific.application_id = App::APP_ID.to_string();
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}
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core.exit_on_main_window_closed = exit_on_close;
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if let Some(border_size) = settings.resizable {
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window_settings.resize_border = border_size as u32;
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window_settings.resizable = true;
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}
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window_settings.decorations = !settings.client_decorations;
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window_settings.size = settings.size;
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let min_size = settings.size_limits.min();
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if min_size != iced::Size::ZERO {
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window_settings.min_size = Some(min_size);
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}
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let max_size = settings.size_limits.max();
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if max_size != iced::Size::INFINITE {
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window_settings.max_size = Some(max_size);
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}
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window_settings.transparent = settings.transparent;
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(iced, (core, flags), window_settings)
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}
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pub(crate) struct BootDataInner<A: crate::app::Application> {
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pub flags: A::Flags,
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pub core: Core,
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pub settings: window::Settings,
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}
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pub(crate) struct BootData<A: crate::app::Application>(pub Rc<RefCell<Option<BootDataInner<A>>>>);
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impl<A: crate::app::Application> BootFn<cosmic::Cosmic<A>, crate::Action<A::Message>>
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for BootData<A>
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{
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fn boot(&self) -> (cosmic::Cosmic<A>, iced::Task<crate::Action<A::Message>>) {
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let mut data = self.0.borrow_mut();
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let mut data = data.take().unwrap();
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let mut tasks = Vec::new();
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#[cfg(feature = "multi-window")]
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if data.core.main_window_id().is_some() {
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let window_task = iced_runtime::task::oneshot(|channel| {
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iced_runtime::Action::Window(iced_runtime::window::Action::Open(
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window::Id::RESERVED,
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data.settings,
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channel,
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))
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});
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data.core.set_main_window_id(Some(window::Id::RESERVED));
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tasks.push(window_task.discard());
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}
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let (a, t) = cosmic::Cosmic::<A>::init((data.core, data.flags));
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tasks.push(t);
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(a, Task::batch(tasks))
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}
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}
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/// Launch a COSMIC application with the given [`Settings`].
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///
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/// # Errors
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///
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/// Returns error on application failure.
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pub fn run<App: Application>(settings: Settings, flags: App::Flags) -> iced::Result {
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#[cfg(feature = "desktop")]
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image_extras::register();
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#[cfg(all(target_env = "gnu", not(target_os = "windows")))]
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if let Some(threshold) = settings.default_mmap_threshold {
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crate::malloc::limit_mmap_threshold(threshold);
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}
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let default_font = settings.default_font;
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let (settings, (mut core, flags), window_settings) = iced_settings::<App>(settings, flags);
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#[cfg(not(feature = "multi-window"))]
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{
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core.main_window = Some(iced::window::Id::RESERVED);
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iced::application(
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BootData(Rc::new(RefCell::new(Some(BootDataInner::<App> {
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flags,
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core,
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settings: window_settings.clone(),
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})))),
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cosmic::Cosmic::update,
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cosmic::Cosmic::view,
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)
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.subscription(cosmic::Cosmic::subscription)
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.title(cosmic::Cosmic::title)
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.style(cosmic::Cosmic::style)
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.theme(cosmic::Cosmic::theme)
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.window_size((500.0, 800.0))
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.settings(settings)
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.window(window_settings)
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.run()
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}
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#[cfg(feature = "multi-window")]
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{
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let no_main_window = core.main_window.is_none();
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if no_main_window {
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// app = app.window(window_settings);
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core.main_window = Some(iced_core::window::Id::RESERVED);
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}
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let app = iced::daemon(
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BootData(Rc::new(RefCell::new(Some(BootDataInner::<App> {
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flags,
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core,
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settings: window_settings,
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})))),
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cosmic::Cosmic::update,
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cosmic::Cosmic::view,
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);
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app.subscription(cosmic::Cosmic::subscription)
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.title(cosmic::Cosmic::title)
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.style(cosmic::Cosmic::style)
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.theme(cosmic::Cosmic::theme)
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.settings(settings)
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.run()
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}
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}
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#[cfg(feature = "single-instance")]
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/// Launch a COSMIC application with the given [`Settings`].
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/// If the application is already running, the arguments will be passed to the
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/// running instance.
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/// # Errors
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/// Returns error on application failure.
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pub fn run_single_instance<App: Application>(settings: Settings, flags: App::Flags) -> iced::Result
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where
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App::Flags: CosmicFlags,
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App::Message: Clone + std::fmt::Debug + Send + 'static,
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{
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#[cfg(feature = "desktop")]
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image_extras::register();
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use std::collections::HashMap;
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let activation_token = std::env::var("XDG_ACTIVATION_TOKEN").ok();
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let override_single = std::env::var("COSMIC_SINGLE_INSTANCE")
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.map(|v| &v.to_lowercase() == "false" || &v == "0")
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.unwrap_or_default();
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if override_single {
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return run::<App>(settings, flags);
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}
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let path: String = format!("/{}", App::APP_ID.replace('.', "/"));
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let Ok(conn) = zbus::blocking::Connection::session() else {
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tracing::warn!("Failed to connect to dbus");
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return run::<App>(settings, flags);
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};
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if crate::dbus_activation::DbusActivationInterfaceProxyBlocking::builder(&conn)
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.destination(App::APP_ID)
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.ok()
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.and_then(|b| b.path(path).ok())
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.and_then(|b| b.destination(App::APP_ID).ok())
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.and_then(|b| b.build().ok())
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.is_some_and(|mut p| {
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let res = {
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let mut platform_data = HashMap::new();
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if let Some(activation_token) = activation_token {
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platform_data.insert("activation-token", activation_token.into());
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}
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if let Ok(startup_id) = std::env::var("DESKTOP_STARTUP_ID") {
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platform_data.insert("desktop-startup-id", startup_id.into());
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}
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if let Some(action) = flags.action() {
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let action = action.to_string();
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p.activate_action(&action, flags.args(), platform_data)
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} else {
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p.activate(platform_data)
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}
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};
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match res {
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Ok(()) => {
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tracing::info!("Successfully activated another instance");
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true
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}
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Err(err) => {
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tracing::warn!(?err, "Failed to activate another instance");
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false
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}
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}
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})
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{
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tracing::info!("Another instance is running");
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Ok(())
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} else {
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let (settings, (mut core, flags), window_settings) = iced_settings::<App>(settings, flags);
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core.single_instance = true;
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#[cfg(not(feature = "multi-window"))]
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{
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iced::application(
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BootData(Rc::new(RefCell::new(Some(BootDataInner::<App> {
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flags,
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core,
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settings: window_settings.clone(),
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})))),
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cosmic::Cosmic::update,
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cosmic::Cosmic::view,
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)
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.subscription(cosmic::Cosmic::subscription)
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.style(cosmic::Cosmic::style)
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.theme(cosmic::Cosmic::theme)
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.window_size((500.0, 800.0))
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.settings(settings)
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.window(window_settings)
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.run()
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}
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#[cfg(feature = "multi-window")]
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{
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let no_main_window = core.main_window.is_none();
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if no_main_window {
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// app = app.window(window_settings);
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core.main_window = Some(iced_core::window::Id::RESERVED);
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}
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let mut app = iced::daemon(
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BootData(Rc::new(RefCell::new(Some(BootDataInner::<App> {
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flags,
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core,
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settings: window_settings,
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})))),
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cosmic::Cosmic::update,
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cosmic::Cosmic::view,
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);
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app.subscription(cosmic::Cosmic::subscription)
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.style(cosmic::Cosmic::style)
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.title(cosmic::Cosmic::title)
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.theme(cosmic::Cosmic::theme)
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.settings(settings)
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.run()
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}
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}
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}
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pub trait CosmicFlags {
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type SubCommand: ToString + std::fmt::Debug + Clone + Send + 'static;
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type Args: Into<Vec<String>> + std::fmt::Debug + Clone + Send + 'static;
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#[must_use]
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fn action(&self) -> Option<&Self::SubCommand> {
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None
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}
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#[must_use]
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fn args(&self) -> Vec<&str> {
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Vec::new()
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}
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}
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/// An interactive cross-platform COSMIC application.
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#[allow(unused_variables)]
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pub trait Application
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where
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Self: Sized + 'static,
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{
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/// Default async executor to use with the app.
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type Executor: iced_futures::Executor;
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/// Argument received [`Application::new`].
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type Flags;
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/// Message type specific to our app.
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type Message: Clone + std::fmt::Debug + Send + 'static;
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/// An ID that uniquely identifies the application.
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/// The standard is to pick an ID based on a reverse-domain name notation.
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/// IE: `com.system76.Settings`
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const APP_ID: &'static str;
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/// Grants access to the COSMIC Core.
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fn core(&self) -> &Core;
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/// Grants access to the COSMIC Core.
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fn core_mut(&mut self) -> &mut Core;
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/// Creates the application, and optionally emits task on initialize.
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fn init(core: Core, flags: Self::Flags) -> (Self, Task<Self::Message>);
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/// Displays a context drawer on the side of the application window when `Some`.
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/// Use the [`ApplicationExt::set_show_context`] function for this to take effect.
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fn context_drawer(&self) -> Option<ContextDrawer<'_, Self::Message>> {
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None
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}
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/// Displays a dialog in the center of the application window when `Some`.
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fn dialog(&self) -> Option<Element<'_, Self::Message>> {
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None
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}
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/// Displays a footer at the bottom of the application window when `Some`.
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fn footer(&self) -> Option<Element<'_, Self::Message>> {
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None
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}
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/// Attaches elements to the start section of the header.
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fn header_start(&self) -> Vec<Element<'_, Self::Message>> {
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Vec::new()
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}
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/// Attaches elements to the center of the header.
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fn header_center(&self) -> Vec<Element<'_, Self::Message>> {
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Vec::new()
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}
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/// Attaches elements to the end section of the header.
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fn header_end(&self) -> Vec<Element<'_, Self::Message>> {
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Vec::new()
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}
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/// Allows overriding the default nav bar widget.
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fn nav_bar(&self) -> Option<Element<'_, crate::Action<Self::Message>>> {
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if !self.core().nav_bar_active() {
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return None;
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}
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let nav_model = self.nav_model()?;
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let mut nav =
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crate::widget::nav_bar(nav_model, |id| crate::Action::Cosmic(Action::NavBar(id)))
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.on_context(|id| crate::Action::Cosmic(Action::NavBarContext(id)))
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.context_menu(self.nav_context_menu(self.core().nav_bar_context()))
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.into_container()
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.width(iced::Length::Shrink)
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.height(iced::Length::Fill);
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if !self.core().is_condensed() {
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nav = nav.max_width(280);
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}
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Some(Element::from(nav))
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}
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/// Shows a context menu for the active nav bar item.
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fn nav_context_menu(
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&self,
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id: nav_bar::Id,
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) -> Option<Vec<menu::Tree<crate::Action<Self::Message>>>> {
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None
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}
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/// Allows COSMIC to integrate with your application's [`nav_bar::Model`].
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fn nav_model(&self) -> Option<&nav_bar::Model> {
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None
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}
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/// Called before closing the application. Returning a message will override closing windows.
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fn on_app_exit(&mut self) -> Option<Self::Message> {
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None
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}
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/// Called when a window requests to be closed.
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fn on_close_requested(&self, id: window::Id) -> Option<Self::Message> {
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None
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}
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// Called when context drawer is toggled
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fn on_context_drawer(&mut self) -> Task<Self::Message> {
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Task::none()
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}
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/// Called when the escape key is pressed.
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fn on_escape(&mut self) -> Task<Self::Message> {
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Task::none()
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}
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/// Called when a navigation item is selected.
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fn on_nav_select(&mut self, id: nav_bar::Id) -> Task<Self::Message> {
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Task::none()
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}
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/// Called when a context menu is requested for a navigation item.
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fn on_nav_context(&mut self, id: nav_bar::Id) -> Task<Self::Message> {
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Task::none()
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}
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/// Called when the search function is requested.
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fn on_search(&mut self) -> Task<Self::Message> {
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Task::none()
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}
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/// Called when a window is resized.
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fn on_window_resize(&mut self, id: window::Id, width: f32, height: f32) {}
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/// Event sources that are to be listened to.
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fn subscription(&self) -> Subscription<Self::Message> {
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Subscription::none()
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}
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/// Respond to an application-specific message.
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fn update(&mut self, message: Self::Message) -> Task<Self::Message> {
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Task::none()
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}
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/// Respond to a system theme change
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fn system_theme_update(
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&mut self,
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keys: &[&'static str],
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new_theme: &cosmic_theme::Theme,
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) -> Task<Self::Message> {
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Task::none()
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}
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/// Respond to a system theme mode change
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fn system_theme_mode_update(
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&mut self,
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keys: &[&'static str],
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new_theme: &cosmic_theme::ThemeMode,
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) -> Task<Self::Message> {
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Task::none()
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}
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/// Constructs the view for the main window.
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fn view(&self) -> Element<'_, Self::Message>;
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/// Constructs views for other windows.
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fn view_window(&self, id: window::Id) -> Element<'_, Self::Message> {
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panic!("no view for window {id:?}");
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}
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/// Overrides the default style for applications
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fn style(&self) -> Option<theme::Style> {
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None
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}
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/// Handles dbus activation messages
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#[cfg(feature = "single-instance")]
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fn dbus_activation(&mut self, msg: crate::dbus_activation::Message) -> Task<Self::Message> {
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Task::none()
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}
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/// Invoked on connect to dbus session socket used for dbus activation
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///
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/// Can be used to expose custom interfaces on the same owned name.
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#[cfg(feature = "single-instance")]
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fn dbus_connection(&mut self, conn: zbus::Connection) -> Task<Self::Message> {
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Task::none()
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}
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}
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/// Methods automatically derived for all types implementing [`Application`].
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pub trait ApplicationExt: Application {
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/// Initiates a window drag.
|
|
fn drag(&mut self) -> Task<Self::Message>;
|
|
|
|
/// Maximizes the window.
|
|
fn maximize(&mut self) -> Task<Self::Message>;
|
|
|
|
/// Minimizes the window.
|
|
fn minimize(&mut self) -> Task<Self::Message>;
|
|
/// Get the title of the main window.
|
|
|
|
#[cfg(not(feature = "multi-window"))]
|
|
fn title(&self) -> &str;
|
|
|
|
#[cfg(feature = "multi-window")]
|
|
/// Get the title of a window.
|
|
fn title(&self, id: window::Id) -> &str;
|
|
|
|
/// Set the context drawer visibility.
|
|
fn set_show_context(&mut self, show: bool) {
|
|
self.core_mut().set_show_context(show);
|
|
}
|
|
|
|
/// Set the header bar title.
|
|
fn set_header_title(&mut self, title: String) {
|
|
self.core_mut().set_header_title(title);
|
|
}
|
|
|
|
#[cfg(not(feature = "multi-window"))]
|
|
/// Set the title of the main window.
|
|
fn set_window_title(&mut self, title: String) -> Task<Self::Message>;
|
|
|
|
#[cfg(feature = "multi-window")]
|
|
/// Set the title of a window.
|
|
fn set_window_title(&mut self, title: String, id: window::Id) -> Task<Self::Message>;
|
|
|
|
/// View template for the main window.
|
|
fn view_main(&self) -> Element<'_, crate::Action<Self::Message>>;
|
|
|
|
fn watch_config<T: CosmicConfigEntry + Send + Sync + Default + 'static + Clone + PartialEq>(
|
|
&self,
|
|
id: &'static str,
|
|
) -> iced::Subscription<cosmic_config::Update<T>> {
|
|
self.core().watch_config(id)
|
|
}
|
|
|
|
fn watch_state<T: CosmicConfigEntry + Send + Sync + Default + 'static + Clone + PartialEq>(
|
|
&self,
|
|
id: &'static str,
|
|
) -> iced::Subscription<cosmic_config::Update<T>> {
|
|
self.core().watch_state(id)
|
|
}
|
|
}
|
|
|
|
impl<App: Application> ApplicationExt for App {
|
|
fn drag(&mut self) -> Task<Self::Message> {
|
|
self.core().drag(None)
|
|
}
|
|
|
|
fn maximize(&mut self) -> Task<Self::Message> {
|
|
self.core().maximize(None, true)
|
|
}
|
|
|
|
fn minimize(&mut self) -> Task<Self::Message> {
|
|
self.core().minimize(None)
|
|
}
|
|
|
|
#[cfg(feature = "multi-window")]
|
|
fn title(&self, id: window::Id) -> &str {
|
|
self.core().title.get(&id).map_or("", |s| s.as_str())
|
|
}
|
|
|
|
#[cfg(not(feature = "multi-window"))]
|
|
fn title(&self) -> &str {
|
|
self.core()
|
|
.main_window_id()
|
|
.and_then(|id| self.core().title.get(&id).map(std::string::String::as_str))
|
|
.unwrap_or("")
|
|
}
|
|
|
|
#[cfg(feature = "multi-window")]
|
|
fn set_window_title(&mut self, title: String, id: window::Id) -> Task<Self::Message> {
|
|
self.core_mut().title.insert(id, title.clone());
|
|
self.core().set_title(Some(id), title)
|
|
}
|
|
|
|
#[cfg(not(feature = "multi-window"))]
|
|
fn set_window_title(&mut self, title: String) -> Task<Self::Message> {
|
|
let Some(id) = self.core().main_window_id() else {
|
|
return Task::none();
|
|
};
|
|
|
|
self.core_mut().title.insert(id, title.clone());
|
|
Task::none()
|
|
}
|
|
|
|
#[allow(clippy::too_many_lines)]
|
|
/// Creates the view for the main window.
|
|
fn view_main(&self) -> Element<'_, crate::Action<Self::Message>> {
|
|
let core = self.core();
|
|
let is_condensed = core.is_condensed();
|
|
let sharp_corners = core.window.sharp_corners;
|
|
let maximized = core.window.is_maximized;
|
|
let content_container = core.window.content_container;
|
|
let show_context = core.window.show_context;
|
|
let nav_bar_active = core.nav_bar_active();
|
|
let focused = core
|
|
.focus_chain()
|
|
.iter()
|
|
.any(|i| Some(*i) == self.core().main_window_id());
|
|
|
|
let border_padding = if maximized { 8 } else { 7 };
|
|
|
|
let main_content_padding = if !content_container {
|
|
[0, 0, 0, 0]
|
|
} else {
|
|
let right_padding = if show_context { 0 } else { border_padding };
|
|
let left_padding = if nav_bar_active { 0 } else { border_padding };
|
|
|
|
[0, right_padding, 0, left_padding]
|
|
};
|
|
|
|
let content_row = crate::widget::row::with_children({
|
|
let mut widgets = Vec::with_capacity(3);
|
|
|
|
// Insert nav bar onto the left side of the window.
|
|
let has_nav = if let Some(nav) = self
|
|
.nav_bar()
|
|
.map(|nav| id_container(nav, iced_core::id::Id::new("COSMIC_nav_bar")))
|
|
{
|
|
widgets.push(
|
|
container(nav)
|
|
.padding([
|
|
0,
|
|
if is_condensed { border_padding } else { 8 },
|
|
border_padding,
|
|
border_padding,
|
|
])
|
|
.into(),
|
|
);
|
|
true
|
|
} else {
|
|
false
|
|
};
|
|
|
|
if self.nav_model().is_none() || core.show_content() {
|
|
let main_content = self.view();
|
|
|
|
//TODO: reduce duplication
|
|
let context_width = core.context_width(has_nav);
|
|
if core.window.context_is_overlay && show_context {
|
|
if let Some(context) = self.context_drawer() {
|
|
widgets.push(
|
|
crate::widget::context_drawer(
|
|
context.title,
|
|
context.actions,
|
|
context.header,
|
|
context.footer,
|
|
context.on_close,
|
|
main_content,
|
|
context.content,
|
|
context_width,
|
|
)
|
|
.apply(|drawer| {
|
|
Element::from(id_container(
|
|
drawer,
|
|
iced_core::id::Id::new("COSMIC_context_drawer"),
|
|
))
|
|
})
|
|
.apply(container)
|
|
.padding([0, if content_container { border_padding } else { 0 }, 0, 0])
|
|
.apply(Element::from)
|
|
.map(crate::Action::App),
|
|
);
|
|
} else {
|
|
widgets.push(
|
|
container(main_content.map(crate::Action::App))
|
|
.padding(main_content_padding)
|
|
.into(),
|
|
);
|
|
}
|
|
} else {
|
|
//TODO: hide content when out of space
|
|
widgets.push(
|
|
container(main_content.map(crate::Action::App))
|
|
.padding(main_content_padding)
|
|
.into(),
|
|
);
|
|
if let Some(context) = self.context_drawer() {
|
|
widgets.push(
|
|
crate::widget::ContextDrawer::new_inner(
|
|
context.title,
|
|
context.actions,
|
|
context.header,
|
|
context.footer,
|
|
context.content,
|
|
context.on_close,
|
|
context_width,
|
|
)
|
|
.apply(Element::from)
|
|
.map(crate::Action::App)
|
|
.apply(container)
|
|
.width(context_width)
|
|
.apply(|drawer| {
|
|
Element::from(id_container(
|
|
drawer,
|
|
iced_core::id::Id::new("COSMIC_context_drawer"),
|
|
))
|
|
})
|
|
.apply(container)
|
|
.padding(if content_container {
|
|
[0, border_padding, border_padding, border_padding]
|
|
} else {
|
|
[0, 0, 0, 0]
|
|
})
|
|
.into(),
|
|
);
|
|
} else {
|
|
//TODO: this element is added to workaround state issues
|
|
widgets.push(space::horizontal().width(Length::Shrink).into());
|
|
}
|
|
}
|
|
}
|
|
|
|
widgets
|
|
});
|
|
|
|
let content_col = crate::widget::column::with_capacity(2)
|
|
.push(content_row)
|
|
.push_maybe(self.footer().map(|footer| {
|
|
container(footer.map(crate::Action::App)).padding([
|
|
0,
|
|
border_padding,
|
|
border_padding,
|
|
border_padding,
|
|
])
|
|
}));
|
|
let content: Element<_> = if content_container {
|
|
content_col
|
|
.width(iced::Length::Fill)
|
|
.height(iced::Length::Fill)
|
|
.apply(|w| id_container(w, iced_core::id::Id::new("COSMIC_content_container")))
|
|
.into()
|
|
} else {
|
|
content_col.into()
|
|
};
|
|
|
|
// Ensures visually aligned radii for content and window corners
|
|
let window_corner_radius = if sharp_corners {
|
|
crate::theme::active().cosmic().radius_0()
|
|
} else {
|
|
crate::theme::active()
|
|
.cosmic()
|
|
.radius_s()
|
|
.map(|x| if x < 4.0 { x } else { x + 4.0 })
|
|
};
|
|
|
|
let view_column = crate::widget::column::with_capacity(2)
|
|
.push_maybe(if core.window.show_headerbar {
|
|
Some({
|
|
let mut header = crate::widget::header_bar()
|
|
.focused(focused)
|
|
.maximized(maximized)
|
|
.sharp_corners(sharp_corners)
|
|
.transparent(content_container)
|
|
.title(&core.window.header_title)
|
|
.on_drag(crate::Action::Cosmic(Action::Drag))
|
|
.on_right_click(crate::Action::Cosmic(Action::ShowWindowMenu))
|
|
.on_double_click(crate::Action::Cosmic(Action::Maximize));
|
|
|
|
if self.nav_model().is_some() {
|
|
let toggle = crate::widget::nav_bar_toggle()
|
|
.active(core.nav_bar_active())
|
|
.selected(focused)
|
|
.on_toggle(if is_condensed {
|
|
crate::Action::Cosmic(Action::ToggleNavBarCondensed)
|
|
} else {
|
|
crate::Action::Cosmic(Action::ToggleNavBar)
|
|
});
|
|
|
|
header = header.start(toggle);
|
|
}
|
|
|
|
if core.window.show_close {
|
|
header = header.on_close(crate::Action::Cosmic(Action::Close));
|
|
}
|
|
|
|
if core.window.show_maximize && crate::config::show_maximize() {
|
|
header = header.on_maximize(crate::Action::Cosmic(Action::Maximize));
|
|
}
|
|
|
|
if core.window.show_minimize && crate::config::show_minimize() {
|
|
header = header.on_minimize(crate::Action::Cosmic(Action::Minimize));
|
|
}
|
|
|
|
for element in self.header_start() {
|
|
header = header.start(element.map(crate::Action::App));
|
|
}
|
|
|
|
for element in self.header_center() {
|
|
header = header.center(element.map(crate::Action::App));
|
|
}
|
|
|
|
for element in self.header_end() {
|
|
header = header.end(element.map(crate::Action::App));
|
|
}
|
|
|
|
if content_container {
|
|
header.apply(|w| id_container(w, iced_core::id::Id::new("COSMIC_header")))
|
|
} else {
|
|
// Needed to avoid header bar corner gaps for apps without a content container
|
|
header
|
|
.apply(container)
|
|
.class(crate::theme::Container::custom(move |theme| {
|
|
let cosmic = theme.cosmic();
|
|
container::Style {
|
|
background: Some(iced::Background::Color(
|
|
cosmic.background.base.into(),
|
|
)),
|
|
border: iced::Border {
|
|
radius: [
|
|
(window_corner_radius[0] - 1.0).max(0.0),
|
|
(window_corner_radius[1] - 1.0).max(0.0),
|
|
cosmic.radius_0()[2],
|
|
cosmic.radius_0()[3],
|
|
]
|
|
.into(),
|
|
..Default::default()
|
|
},
|
|
..Default::default()
|
|
}
|
|
}))
|
|
.apply(|w| id_container(w, iced_core::id::Id::new("COSMIC_header")))
|
|
}
|
|
})
|
|
} else {
|
|
None
|
|
})
|
|
// The content element contains every element beneath the header.
|
|
.push(content)
|
|
.apply(container)
|
|
.padding(if maximized { 0 } else { 1 })
|
|
.class(crate::theme::Container::custom(move |theme| {
|
|
container::Style {
|
|
background: if content_container {
|
|
Some(iced::Background::Color(
|
|
theme.cosmic().background.base.into(),
|
|
))
|
|
} else {
|
|
None
|
|
},
|
|
border: iced::Border {
|
|
color: theme.cosmic().bg_divider().into(),
|
|
width: if maximized { 0.0 } else { 1.0 },
|
|
radius: window_corner_radius.into(),
|
|
},
|
|
..Default::default()
|
|
}
|
|
}));
|
|
|
|
// Show any current dialog on top and centered over the view content
|
|
// We have to use a popover even without a dialog to keep the tree from changing
|
|
let mut popover = popover(view_column).modal(true);
|
|
if let Some(dialog) = self
|
|
.dialog()
|
|
.map(|w| Element::from(id_container(w, iced_core::id::Id::new("COSMIC_dialog"))))
|
|
{
|
|
popover = popover.popup(dialog.map(crate::Action::App));
|
|
}
|
|
|
|
let view_element: Element<_> = popover.into();
|
|
view_element.debug(core.debug)
|
|
}
|
|
}
|
|
|
|
const EMBEDDED_FONTS: &[&[u8]] = &[
|
|
include_bytes!("../../res/open-sans/OpenSans-Light.ttf"),
|
|
include_bytes!("../../res/open-sans/OpenSans-Regular.ttf"),
|
|
include_bytes!("../../res/open-sans/OpenSans-Semibold.ttf"),
|
|
include_bytes!("../../res/open-sans/OpenSans-Bold.ttf"),
|
|
include_bytes!("../../res/open-sans/OpenSans-ExtraBold.ttf"),
|
|
include_bytes!("../../res/noto/NotoSansMono-Regular.ttf"),
|
|
include_bytes!("../../res/noto/NotoSansMono-Bold.ttf"),
|
|
];
|
|
|
|
#[cold]
|
|
fn preload_fonts() {
|
|
let mut font_system = iced::advanced::graphics::text::font_system()
|
|
.write()
|
|
.unwrap();
|
|
|
|
EMBEDDED_FONTS
|
|
.iter()
|
|
.for_each(move |font| font_system.load_font(Cow::Borrowed(font)));
|
|
}
|