lumina-iced/src/main.rs

670 lines
21 KiB
Rust

use clap::{command, Parser};
use core::service_items::{ServiceItem, ServiceItemModel};
use cosmic::app::context_drawer::ContextDrawer;
use cosmic::app::{Core, Settings, Task};
use cosmic::iced::keyboard::{Key, Modifiers};
use cosmic::iced::window::{Mode, Position};
use cosmic::iced::{self, event, window, Length, Padding, Point};
use cosmic::iced_futures::Subscription;
use cosmic::iced_widget::{column, row};
use cosmic::prelude::ElementExt;
use cosmic::prelude::*;
use cosmic::widget::nav_bar::nav_bar_style;
use cosmic::widget::tooltip::Position as TPosition;
use cosmic::widget::{button, nav_bar, text, tooltip, Space};
use cosmic::widget::{icon, slider};
use cosmic::{executor, Application, ApplicationExt, Element};
use cosmic::{widget::Container, Theme};
use crisp::types::Value;
use lisp::parse_lisp;
use miette::{miette, Result};
use std::fs::read_to_string;
use std::path::PathBuf;
use tracing::{debug, level_filters::LevelFilter};
use tracing::{error, warn};
use tracing_subscriber::EnvFilter;
use ui::library::Library;
pub mod core;
pub mod lisp;
pub mod ui;
use core::slide::*;
use ui::presenter::{self, Presenter};
#[derive(Debug, Parser)]
#[command(name = "lumina", version, about)]
struct Cli {
#[arg(short, long)]
watch: bool,
#[arg(short = 'i', long)]
ui: bool,
file: PathBuf,
}
fn main() -> Result<()> {
let timer = tracing_subscriber::fmt::time::ChronoLocal::new(
"%Y-%m-%d_%I:%M:%S%.6f %P".to_owned(),
);
let filter = EnvFilter::builder()
.with_default_directive(LevelFilter::WARN.into())
.parse_lossy("lumina=debug");
tracing_subscriber::FmtSubscriber::builder()
.pretty()
.with_line_number(true)
.with_level(true)
.with_target(true)
.with_env_filter(filter)
.with_target(true)
.with_timer(timer)
.init();
let args = Cli::parse();
let settings;
if args.ui {
debug!("main view");
settings = Settings::default().debug(false);
} else {
debug!("window view");
settings =
Settings::default().debug(false).no_main_window(true);
}
cosmic::app::run::<App>(settings, args)
.map_err(|e| miette!("Invalid things... {}", e))
}
fn theme(_state: &App) -> Theme {
Theme::dark()
}
struct App {
core: Core,
nav_model: nav_bar::Model,
file: PathBuf,
presenter: Presenter,
windows: Vec<window::Id>,
slides: Vec<Slide>,
current_slide: Slide,
presentation_open: bool,
cli_mode: bool,
library: Library,
library_open: bool,
library_width: f32,
}
#[derive(Debug, Clone)]
enum Message {
Present(presenter::Message),
File(PathBuf),
DndEnter(ServiceItem),
DndDrop(ServiceItem),
OpenWindow,
CloseWindow(Option<window::Id>),
WindowOpened(window::Id, Option<Point>),
WindowClosed(window::Id),
Quit,
Key(Key, Modifiers),
None,
}
impl cosmic::Application for App {
type Executor = executor::Default;
type Flags = Cli;
type Message = Message;
const APP_ID: &'static str = "lumina";
fn core(&self) -> &Core {
&self.core
}
fn core_mut(&mut self) -> &mut Core {
&mut self.core
}
fn init(
core: Core,
input: Self::Flags,
) -> (Self, Task<Self::Message>) {
debug!("init");
let mut nav_model = nav_bar::Model::default();
let mut windows = vec![];
if input.ui {
windows.push(core.main_window_id().unwrap());
}
let items = match read_to_string(input.file) {
Ok(lisp) => {
let mut slide_vector = vec![];
let lisp = crisp::reader::read(&lisp);
match lisp {
Value::List(vec) => {
for value in vec {
let mut inner_vector = parse_lisp(value);
slide_vector.append(&mut inner_vector);
}
}
_ => todo!(),
}
slide_vector
}
Err(e) => {
warn!("Missing file or could not read: {e}");
vec![]
}
};
let items = ServiceItemModel::from(items);
let presenter = Presenter::with_items(items.clone());
let slides = items.to_slides().unwrap_or_default();
let current_slide = slides[0].clone();
for item in items.iter() {
nav_model.insert().text(item.title()).data(item.clone());
}
nav_model.activate_position(0);
let mut app = App {
presenter,
core,
nav_model,
file: PathBuf::default(),
windows,
slides,
current_slide,
presentation_open: false,
cli_mode: !input.ui,
library: Library::new(&items),
library_open: true,
library_width: 60.0,
};
let command;
if input.ui {
debug!("main view");
command = app.update_title()
} else {
debug!("window view");
command = app.show_window()
};
(app, command)
}
/// Allows COSMIC to integrate with your application's [`nav_bar::Model`].
fn nav_model(&self) -> Option<&nav_bar::Model> {
Some(&self.nav_model)
}
fn nav_bar(
&self,
) -> Option<Element<cosmic::app::Message<Message>>> {
if !self.core().nav_bar_active() {
return None;
}
let nav_model = self.nav_model()?;
let mut nav = cosmic::widget::nav_bar(nav_model, |id| {
cosmic::app::Message::Cosmic(
cosmic::app::cosmic::Message::NavBar(id),
)
})
.on_context(|id| {
cosmic::app::Message::Cosmic(
cosmic::app::cosmic::Message::NavBarContext(id),
)
})
.context_menu(None)
.into_container()
// XXX both must be shrink to avoid flex layout from ignoring it
.width(Length::Shrink)
.height(Length::Shrink);
if !self.core().is_condensed() {
nav = nav.max_width(280);
}
let column = column![
text::heading("Service List").center().width(280),
nav
]
.spacing(10);
let padding = Padding::new(0.0).top(20);
let container = Container::new(column)
.style(nav_bar_style)
.padding(padding);
Some(container.into())
}
/// Called when a navigation item is selected.
fn on_nav_select(
&mut self,
id: nav_bar::Id,
) -> Task<Self::Message> {
self.nav_model.activate(id);
debug!(?id);
self.update_title()
}
fn header_start(&self) -> Vec<Element<Self::Message>> {
vec![]
}
fn header_center(&self) -> Vec<Element<Self::Message>> {
vec![]
}
fn header_end(&self) -> Vec<Element<Self::Message>> {
let presenter_window = self.windows.get(1);
let text = if self.presentation_open {
text::body("Close Presentation")
} else {
text::body("Open Presentation")
};
vec![tooltip(
button::custom(
row!(
Container::new(
icon::from_name(if self.presentation_open {
"dialog-close"
} else {
"view-presentation-symbolic"
})
.scale(3)
)
.center_y(Length::Fill),
text
)
.padding(5)
.spacing(5),
)
.class(cosmic::theme::style::Button::HeaderBar)
.on_press({
if self.presentation_open {
Message::CloseWindow(presenter_window.copied())
} else {
Message::OpenWindow
}
}),
"Start Presentation",
TPosition::Bottom,
)
.into()]
}
fn footer(&self) -> Option<Element<Self::Message>> {
Some(text::body("Sux").into())
}
fn subscription(&self) -> Subscription<Self::Message> {
event::listen_with(|event, _, id| {
// debug!(?event);
match event {
iced::Event::Keyboard(event) => match event {
iced::keyboard::Event::KeyPressed {
key,
modifiers,
..
} => Some(Message::Key(key, modifiers)),
_ => None,
},
iced::Event::Mouse(event) => None,
iced::Event::Window(window_event) => {
match window_event {
window::Event::CloseRequested => {
debug!("Closing window");
Some(Message::CloseWindow(Some(id)))
}
window::Event::Opened {
position, ..
} => {
debug!(?window_event, ?id);
Some(Message::WindowOpened(id, position))
}
window::Event::Closed => {
debug!("Closed window");
Some(Message::WindowClosed(id))
}
_ => None,
}
}
iced::Event::Touch(event) => None,
iced::Event::A11y(id, action_request) => None,
iced::Event::Dnd(dnd_event) => None,
iced::Event::PlatformSpecific(platform_specific) => {
None
}
}
})
}
fn context_drawer(
&self,
) -> Option<
cosmic::app::context_drawer::ContextDrawer<Self::Message>,
> {
ContextDrawer {
title: Some("Context".into()),
header_actions: vec![],
header: Some("hi".into()),
content: "Sup".into(),
footer: Some("foot".into()),
on_close: Message::None,
};
None
}
fn update(&mut self, message: Message) -> Task<Message> {
match message {
Message::Key(key, modifiers) => {
debug!(?key, ?modifiers);
match (key, modifiers) {
(
Key::Named(
iced::keyboard::key::Named::ArrowRight,
),
_,
) => self.update(Message::Present(
presenter::Message::NextSlide,
)),
(
Key::Named(
iced::keyboard::key::Named::ArrowLeft,
),
_,
) => self.update(Message::Present(
presenter::Message::PrevSlide,
)),
(
Key::Named(iced::keyboard::key::Named::Space),
_,
) => self.update(Message::Present(
presenter::Message::NextSlide,
)),
(Key::Character(k), _)
if k == *"j" || k == *"l" =>
{
self.update(Message::Present(
presenter::Message::NextSlide,
))
}
(Key::Character(k), _)
if k == *"k" || k == *"h" =>
{
self.update(Message::Present(
presenter::Message::PrevSlide,
))
}
(Key::Character(k), _) if k == *"q" => {
self.update(Message::Quit)
}
_ => Task::none(),
}
}
Message::Present(message) => {
// debug!(?message);
if self.presentation_open {
if let Some(video) = &mut self.presenter.video {
video.set_muted(false);
}
}
self.presenter.update(message).map(|x| {
debug!(?x);
cosmic::app::Message::App(Message::None)
})
}
Message::File(file) => {
self.file = file;
Task::none()
}
Message::OpenWindow => {
let count = self.windows.len() + 1;
let (id, spawn_window) =
window::open(window::Settings {
position: Position::Centered,
exit_on_close_request: count % 2 == 0,
decorations: false,
..Default::default()
});
self.windows.push(id);
_ = self.set_window_title(
format!("window_{}", count),
id,
);
spawn_window.map(|id| {
cosmic::app::Message::App(Message::WindowOpened(
id, None,
))
})
}
Message::CloseWindow(id) => {
if let Some(id) = id {
window::close(id)
} else {
Task::none()
}
}
Message::WindowOpened(id, _) => {
debug!(?id, "Window opened");
if self.cli_mode
|| id > self.core.main_window_id().expect("Cosmic core seems to be missing a main window, was this started in cli mode?")
{
self.presentation_open = true;
if let Some(video) = &mut self.presenter.video {
video.set_muted(false);
}
window::change_mode(id, Mode::Fullscreen)
} else {
Task::none()
}
}
Message::WindowClosed(id) => {
warn!("Closing window: {id}");
let Some(window) =
self.windows.iter().position(|w| *w == id)
else {
error!("Nothing matches this window id: {id}");
return Task::none();
};
self.windows.remove(window);
// This closes the app if using the cli example
if self.windows.is_empty() {
self.update(Message::Quit)
} else {
self.presentation_open = false;
if let Some(video) = &mut self.presenter.video {
video.set_muted(true);
}
Task::none()
}
}
Message::Quit => cosmic::iced::exit(),
Message::DndEnter(service_item) => todo!(),
Message::DndDrop(service_item) => todo!(),
Message::None => Task::none(),
}
}
// Main window view
fn view(&self) -> Element<Message> {
let icon_left = icon::from_name("arrow-left");
let icon_right = icon::from_name("arrow-right");
let video_range = self.presenter.video.as_ref().map_or_else(
|| 0.0,
|video| video.duration().as_secs_f32(),
);
let video_button_icon =
if let Some(video) = &self.presenter.video {
let (icon_name, tooltip) = if video.paused() {
("media-play", "Play")
} else {
("media-pause", "Pause")
};
button::icon(icon::from_name(icon_name))
.tooltip(tooltip)
.on_press(Message::Present(
presenter::Message::StartVideo,
))
} else {
button::icon(icon::from_name("media-play"))
.tooltip("Play")
.on_press(Message::Present(
presenter::Message::StartVideo,
))
};
let slide_preview = column![
Space::with_height(Length::Fill),
Container::new(
self.presenter.view_preview().map(Message::Present),
)
.align_bottom(Length::Fill),
Container::new(if self.presenter.video.is_some() {
row![
video_button_icon,
Container::new(
slider(
0.0..=video_range,
self.presenter.video_position,
|pos| {
Message::Present(
presenter::Message::VideoPos(pos),
)
}
)
.step(0.1)
)
.center_x(Length::Fill)
.padding([7, 0, 0, 0])
]
.padding(5)
} else {
row![]
})
.center_x(Length::Fill),
Space::with_height(Length::Fill),
]
.spacing(3);
let library = Container::new(self.library.view())
.center(Length::Fill)
.width(self.library_width);
// let drag_handle = Container::new(Space::new(1, Length::Fill))
// .style(|t| nav_bar_style(t));
// let dragger = MouseArea::new(drag_handle)
// .on_drag(Message::LibraryWidth);
let row = row![
Container::new(
button::icon(icon_left)
.icon_size(128)
.tooltip("Previous Slide")
.width(128)
.on_press(Message::Present(
presenter::Message::PrevSlide
))
)
.center_y(Length::Fill)
.align_right(Length::Fill)
.width(Length::FillPortion(2)),
Container::new(slide_preview)
.center_y(Length::Fill)
.width(Length::FillPortion(3)),
Container::new(
button::icon(icon_right)
.icon_size(128)
.tooltip("Next Slide")
.width(128)
.on_press(Message::Present(
presenter::Message::NextSlide
))
)
.center_y(Length::Fill)
.align_left(Length::Fill)
.width(Length::FillPortion(2)),
]
.width(Length::Fill)
.height(Length::Fill)
.spacing(20);
let column = column![
Container::new(row).center_y(Length::Fill),
Container::new(
self.presenter.preview_bar().map(Message::Present)
)
.clip(true)
.width(Length::Fill)
.center_y(130)
];
let element: Element<Message> = column.into();
element
}
// View for presentation
fn view_window(&self, _id: window::Id) -> Element<Message> {
self.presenter.view().map(Message::Present)
}
}
impl App
where
Self: cosmic::Application,
{
fn active_page_title(&self) -> &str {
let Some(label) =
self.nav_model.text(self.nav_model.active())
else {
return "Lumina";
};
label
}
fn update_title(&mut self) -> Task<Message> {
let header_title = self.active_page_title().to_owned();
let window_title = format!("{header_title} — Lumina");
self.core.main_window_id().map_or_else(Task::none, |id| {
self.set_window_title(window_title, id)
})
}
fn show_window(&mut self) -> Task<Message> {
let (id, spawn_window) = window::open(window::Settings {
position: Position::Centered,
exit_on_close_request: true,
decorations: false,
..Default::default()
});
self.windows.push(id);
_ = self.set_window_title("Lumina Presenter".to_owned(), id);
spawn_window.map(|id| {
cosmic::app::Message::App(Message::WindowOpened(id, None))
})
}
}
#[cfg(test)]
mod test {
use super::*;
use pretty_assertions::assert_eq;
fn test_slide() -> String {
let slide = r#"(slide (image :source "./somehting.jpg" :fill cover
(text "Something cooler" :font-size 50)))"#;
String::from(slide)
}
// #[test]
// fn test_lisp() {
// let slide = test_slide();
// if let Ok(data) = lexpr::parse::from_str_elisp(slide.as_str()) {
// assert_eq!(slide, data)
// } else {
// assert!(false)
// }
// }
}