libcosmic/examples/cosmic/src/window.rs
2024-11-05 10:02:19 +01:00

605 lines
21 KiB
Rust

/// Copyright 2022 System76 <info@system76.com>
// SPDX-License-Identifier: MPL-2.0
use cosmic::{
cosmic_theme::{
palette::{rgb::Rgb, Srgba},
ThemeBuilder,
},
font::load_fonts,
iced::{self, Application, Length, Subscription, Task},
iced::{
subscription,
widget::{self, column, container, horizontal_space, row, text},
window::{self, close, drag, minimize, toggle_maximize},
},
iced_futures::event::listen_raw,
keyboard_nav,
prelude::*,
theme::{self, Theme},
widget::{
button, header_bar, icon, list, nav_bar, nav_bar_toggle, scrollable, segmented_button,
settings, warning,
},
Element,
};
use cosmic_time::{Instant, Timeline};
use std::{
cell::RefCell,
rc::Rc,
sync::{
atomic::{AtomicU32, Ordering},
Arc,
},
vec,
};
// XXX The use of button is removed because it assigns the same ID to multiple buttons, causing a crash when a11y is enabled...
// static BTN: Lazy<id::Id> = Lazy::new(|| id::Id::new("BTN"));
mod bluetooth;
mod demo;
use self::desktop::DesktopPage;
mod desktop;
mod editor;
use self::input_devices::InputDevicesPage;
mod input_devices;
use self::networking::NetworkingPage;
mod networking;
use self::system_and_accounts::SystemAndAccountsPage;
mod system_and_accounts;
use self::time_and_language::TimeAndLanguagePage;
mod time_and_language;
pub trait SubPage {
fn title(&self) -> &'static str;
fn description(&self) -> &'static str;
fn icon_name(&self) -> &'static str;
fn parent_page(&self) -> Page;
fn into_page(self) -> Page;
}
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum Page {
Demo,
Editor,
WiFi,
Networking(Option<NetworkingPage>),
Bluetooth,
Desktop(Option<DesktopPage>),
InputDevices(Option<InputDevicesPage>),
Displays,
PowerAndBattery,
Sound,
PrintersAndScanners,
PrivacyAndSecurity,
SystemAndAccounts(Option<SystemAndAccountsPage>),
UpdatesAndRecovery,
TimeAndLanguage(Option<TimeAndLanguagePage>),
Accessibility,
Applications,
}
impl Page {
//TODO: translate
pub fn title(&self) -> &'static str {
use Page::*;
match self {
Demo => "Demo",
Editor => "Editor",
WiFi => "Wi-Fi",
Networking(_) => "Networking",
Bluetooth => "Bluetooth",
Desktop(_) => "Desktop",
InputDevices(_) => "Input Devices",
Displays => "Displays",
PowerAndBattery => "Power & Battery",
Sound => "Sound",
PrintersAndScanners => "Printers & Scanners",
PrivacyAndSecurity => "Privacy & Security",
SystemAndAccounts(_) => "System & Accounts",
UpdatesAndRecovery => "Updates & Recovery",
TimeAndLanguage(_) => "Time & Language",
Accessibility => "Accessibility",
Applications => "Applications",
}
}
pub fn icon_name(&self) -> &'static str {
use Page::*;
match self {
Demo => "document-properties-symbolic",
Editor => "text-editor-symbolic",
WiFi => "network-wireless-symbolic",
Networking(_) => "network-workgroup-symbolic",
Bluetooth => "bluetooth-active-symbolic",
Desktop(_) => "video-display-symbolic",
InputDevices(_) => "input-keyboard-symbolic",
Displays => "preferences-desktop-display-symbolic",
PowerAndBattery => "battery-full-charged-symbolic",
Sound => "multimedia-volume-control-symbolic",
PrintersAndScanners => "printer-symbolic",
PrivacyAndSecurity => "preferences-system-privacy-symbolic",
SystemAndAccounts(_) => "system-users-symbolic",
UpdatesAndRecovery => "software-update-available-symbolic",
TimeAndLanguage(_) => "preferences-system-time-symbolic",
Accessibility => "preferences-desktop-accessibility-symbolic",
Applications => "preferences-desktop-apps-symbolic",
}
}
}
impl Default for Page {
fn default() -> Page {
//TODO: what should the default page be?
Page::Desktop(None)
}
}
static WINDOW_WIDTH: AtomicU32 = AtomicU32::new(0);
const BREAK_POINT: u32 = 900;
#[derive(Default)]
pub struct Window {
bluetooth: bluetooth::State,
debug: bool,
demo: demo::State,
editor: editor::State,
desktop: desktop::State,
nav_bar: segmented_button::SingleSelectModel,
nav_id_to_page: segmented_button::SecondaryMap<Page>,
nav_bar_toggled_condensed: bool,
nav_bar_toggled: bool,
page: Page,
show_maximize: bool,
show_minimize: bool,
system_and_accounts: system_and_accounts::State,
theme: Theme,
title: String,
show_warning: bool,
warning_message: String,
scale_factor: f64,
scale_factor_string: String,
timeline: Rc<RefCell<Timeline>>,
}
impl Window {
pub fn nav_bar_toggled(mut self, toggled: bool) -> Self {
self.nav_bar_toggled = toggled;
self
}
pub fn show_maximize(mut self, show: bool) -> Self {
self.show_maximize = show;
self
}
pub fn show_minimize(mut self, show: bool) -> Self {
self.show_minimize = show;
self
}
pub fn show_warning(mut self, show: bool) -> Self {
self.show_warning = show;
self
}
}
#[allow(dead_code)]
#[derive(Clone, Debug)]
pub enum Message {
Bluetooth(bluetooth::Message),
Close,
CondensedViewToggle,
Demo(demo::Message),
Desktop(desktop::Message),
Drag,
Editor(editor::Message),
InputChanged,
KeyboardNav(keyboard_nav::Message),
Maximize,
Minimize,
NavBar(segmented_button::Entity),
Page(Page),
ToggleNavBar,
ToggleNavBarCondensed,
ToggleWarning,
FontsLoaded,
Tick(Instant),
}
impl From<Page> for Message {
fn from(page: Page) -> Message {
Message::Page(page)
}
}
impl Window {
/// Adds a page to the model we use for the navigation bar.
fn insert_page(&mut self, page: Page) -> segmented_button::SingleSelectEntityMut {
self.nav_bar
.insert()
.text(page.title())
.icon(icon::from_name(page.icon_name()).icon())
.secondary(&mut self.nav_id_to_page, page)
}
fn page_title<Message: 'static>(&self, page: Page) -> Element<Message> {
row!(text(page.title()).size(28), horizontal_space(Length::Fill),).into()
}
fn is_condensed(&self) -> bool {
WINDOW_WIDTH.load(Ordering::Relaxed) < BREAK_POINT
}
fn page(&mut self, page: Page) {
self.nav_bar_toggled_condensed = false;
self.page = page;
}
fn parent_page_button<Message: Clone + From<Page> + 'static>(
&self,
sub_page: impl SubPage,
) -> Element<Message> {
let page = sub_page.parent_page();
column!(
button::icon(icon::from_name("go-previous-symbolic").size(16))
.label(page.title())
.padding(0)
.on_press(Message::from(page)),
row!(
text(sub_page.title()).size(28),
horizontal_space(Length::Fill),
),
)
.spacing(10)
.into()
}
fn set_scale_factor(&mut self, factor: f32) {
self.scale_factor = factor as f64;
self.scale_factor_string = format!("{:.2}", factor);
}
fn sub_page_button<Message: Clone + From<Page> + 'static>(
&self,
sub_page: impl SubPage,
) -> Element<Message> {
iced::widget::Button::new(
list::container(
settings::item_row(vec![
icon::from_name(sub_page.icon_name()).size(20).icon().into(),
column!(
text(sub_page.title()).size(14),
text(sub_page.description()).size(10),
)
.spacing(2)
.into(),
horizontal_space(iced::Length::Fill).into(),
icon::from_name("go-next-symbolic").size(20).icon().into(),
])
.spacing(16),
)
.padding([20, 24]),
)
.width(Length::Fill)
.padding(0)
.style(theme::iced::Button::Transparent)
.on_press(Message::from(sub_page.into_page()))
// .id(BTN.clone())
.into()
}
fn toggle_warning(&mut self) {
self.show_warning = !self.show_warning
}
fn view_unimplemented_page<Message: 'static>(&self, page: Page) -> Element<Message> {
settings::view_column(vec![
self.page_title(page),
text("We haven't created that panel yet, and/or it is using a similar idea as current Pop! designs.").into(),
]).into()
}
fn view_unimplemented_sub_page<'a, Message: Clone + From<Page> + 'static>(
&'a self,
sub_page: impl SubPage,
) -> Element<'a, Message> {
settings::view_column(vec![
self.parent_page_button(sub_page),
text("We haven't created that panel yet, and/or it is using a similar idea as current Pop! designs.").into(),
]).into()
}
}
impl Application for Window {
type Executor = cosmic::executor::Default;
type Flags = ();
type Message = Message;
type Theme = Theme;
fn new(_flags: ()) -> (Self, Task<Self::Message>) {
let mut window = Window::default()
.nav_bar_toggled(true)
.show_maximize(true)
.show_minimize(true);
window.title = String::from("COSMIC Design System - Iced");
window.set_scale_factor(1.0);
window.warning_message = String::from("You were not supposed to touch that.");
window.insert_page(Page::Demo);
window.insert_page(Page::Editor);
window.insert_page(Page::WiFi);
window.insert_page(Page::Networking(None));
window.insert_page(Page::Bluetooth);
window.insert_page(Page::Desktop(None)).activate();
window.insert_page(Page::InputDevices(None));
window.insert_page(Page::Displays);
window.insert_page(Page::PowerAndBattery);
window.insert_page(Page::Sound);
window.insert_page(Page::PrintersAndScanners);
window.insert_page(Page::PrivacyAndSecurity);
window.insert_page(Page::SystemAndAccounts(None));
window.insert_page(Page::TimeAndLanguage(None));
window.insert_page(Page::Accessibility);
window.insert_page(Page::Applications);
window.demo.timeline = window.timeline.clone();
(window, load_fonts().map(|_| Message::FontsLoaded))
}
fn title(&self) -> String {
self.title.clone()
}
fn subscription(&self) -> Subscription<Message> {
let window_break = listen_raw(|event, _| match event {
cosmic::iced::Event::Window(
_window_id,
window::Event::Resized { width, height: _ },
) => {
let old_width = WINDOW_WIDTH.load(Ordering::Relaxed);
if old_width == 0
|| old_width < BREAK_POINT && width > BREAK_POINT
|| old_width > BREAK_POINT && width < BREAK_POINT
{
WINDOW_WIDTH.store(width, Ordering::Relaxed);
Some(())
} else {
None
}
}
_ => None,
});
Subscription::batch(vec![
window_break.map(|_| Message::CondensedViewToggle),
keyboard_nav::subscription().map(Message::KeyboardNav),
self.timeline
.borrow()
.as_subscription()
.map(|(_, instant)| Self::Message::Tick(instant)),
])
}
fn update(&mut self, message: Message) -> iced::Task<Self::Message> {
let mut ret = Task::none();
match message {
Message::NavBar(key) => {
if let Some(page) = self.nav_id_to_page.get(key).copied() {
self.nav_bar.activate(key);
self.page(page);
}
}
Message::Page(page) => self.page(page),
Message::Bluetooth(message) => {
self.bluetooth.update(message);
}
Message::Demo(message) => match self.demo.update(message) {
Some(demo::Output::Debug(debug)) => self.debug = debug,
Some(demo::Output::ScalingFactor(factor)) => self.set_scale_factor(factor),
Some(demo::Output::ThemeChanged(theme)) => {
self.theme = match theme {
demo::ThemeVariant::Light => Theme::light(),
demo::ThemeVariant::Dark => Theme::dark(),
demo::ThemeVariant::HighContrastDark => Theme::dark_hc(),
demo::ThemeVariant::HighContrastLight => Theme::light_hc(),
demo::ThemeVariant::Custom => Theme::custom(Arc::new(
ThemeBuilder::light()
.bg_color(Srgba::new(1.0, 0.9, 0.9, 1.0))
.text_tint(Rgb::new(0.0, 1.0, 0.0))
.neutral_tint(Rgb::new(0.0, 0.5, 1.0))
.accent(Rgb::new(0.5, 0.1, 0.5))
.success(Rgb::new(0.0, 0.5, 0.3))
.warning(Rgb::new(0.894, 0.816, 0.039))
.destructive(Rgb::new(0.890, 0.145, 0.420))
.build(),
)),
demo::ThemeVariant::System => cosmic::theme::system_preference(),
};
}
Some(demo::Output::ToggleWarning) => self.toggle_warning(),
None => (),
},
Message::Editor(message) => self.editor.update(message),
Message::Desktop(message) => match self.desktop.update(message) {
Some(desktop::Output::Page(page)) => self.page(page),
None => (),
},
Message::ToggleNavBar => self.nav_bar_toggled = !self.nav_bar_toggled,
Message::ToggleNavBarCondensed => {
self.nav_bar_toggled_condensed = !self.nav_bar_toggled_condensed
}
Message::Drag => return drag(self.core.main_window_id().unwrap()),
Message::Close => return close(self.core.main_window_id().unwrap()),
Message::Minimize => return minimize(self.core.main_window_id().unwrap(), true),
Message::Maximize => return toggle_maximize(self.core.main_window_id().unwrap()),
Message::InputChanged => {}
Message::CondensedViewToggle => {}
Message::KeyboardNav(message) => match message {
keyboard_nav::Message::FocusNext => ret = widget::focus_next(),
keyboard_nav::Message::FocusPrevious => ret = widget::focus_previous(),
_ => (),
},
Message::ToggleWarning => self.toggle_warning(),
Message::FontsLoaded => {} // Message::Tick(instant) => self.timeline.borrow_mut().now(instant), Message::Tick(instant) => self.timeline.borrow_mut().now(instant),
Message::Tick(instant) => self.timeline.borrow_mut().now(instant),
}
ret
}
fn view(&self) -> Element<Message> {
let (nav_bar_message, nav_bar_toggled) = if self.is_condensed() {
(
Message::ToggleNavBarCondensed,
self.nav_bar_toggled_condensed,
)
} else {
(Message::ToggleNavBar, self.nav_bar_toggled)
};
let mut header = header_bar()
.title("COSMIC Design System - Iced")
.on_close(Message::Close)
.on_drag(Message::Drag)
.start(
nav_bar_toggle()
.on_toggle(nav_bar_message)
.active(nav_bar_toggled),
);
if self.show_maximize {
header = header.on_maximize(Message::Maximize);
}
if self.show_minimize {
header = header.on_minimize(Message::Minimize);
}
let header = Into::<Element<Message>>::into(header).debug(self.debug);
let mut widgets = Vec::with_capacity(2);
if nav_bar_toggled {
let mut nav_bar = nav_bar(&self.nav_bar, Message::NavBar).into_container();
if !self.is_condensed() {
nav_bar = nav_bar.max_width(300);
}
let nav_bar: Element<_> = nav_bar.into();
widgets.push(nav_bar.debug(self.debug));
}
if !(self.is_condensed() && nav_bar_toggled) {
let content: Element<_> = match self.page {
Page::Demo => self.demo.view(self).map(Message::Demo),
Page::Editor => self.editor.view(self).map(Message::Editor),
Page::Networking(None) => settings::view_column(vec![
self.page_title(self.page),
column!(
self.sub_page_button(NetworkingPage::Wired),
self.sub_page_button(NetworkingPage::OnlineAccounts),
)
.spacing(16)
.into(),
])
.into(),
Page::Networking(Some(sub_page)) => self.view_unimplemented_sub_page(sub_page),
Page::Bluetooth => self.bluetooth.view(self).map(Message::Bluetooth),
Page::Desktop(desktop_page_opt) => self
.desktop
.view(self, desktop_page_opt)
.map(Message::Desktop),
Page::InputDevices(None) => settings::view_column(vec![
self.page_title(self.page),
column!(
self.sub_page_button(InputDevicesPage::Keyboard),
self.sub_page_button(InputDevicesPage::Touchpad),
self.sub_page_button(InputDevicesPage::Mouse),
)
.spacing(16)
.into(),
])
.into(),
Page::InputDevices(Some(sub_page)) => self.view_unimplemented_sub_page(sub_page),
Page::SystemAndAccounts(None) => settings::view_column(vec![
self.page_title(self.page),
column!(
self.sub_page_button(SystemAndAccountsPage::Users),
self.sub_page_button(SystemAndAccountsPage::About),
self.sub_page_button(SystemAndAccountsPage::Firmware),
)
.spacing(16)
.into(),
])
.into(),
Page::SystemAndAccounts(Some(SystemAndAccountsPage::About)) => {
self.system_and_accounts.view(self)
}
Page::SystemAndAccounts(Some(sub_page)) => {
self.view_unimplemented_sub_page(sub_page)
}
Page::TimeAndLanguage(None) => settings::view_column(vec![
self.page_title(self.page),
column!(
self.sub_page_button(TimeAndLanguagePage::DateAndTime),
self.sub_page_button(TimeAndLanguagePage::RegionAndLanguage),
)
.spacing(16)
.into(),
])
.into(),
Page::TimeAndLanguage(Some(sub_page)) => self.view_unimplemented_sub_page(sub_page),
_ => self.view_unimplemented_page(self.page),
};
widgets.push(
scrollable(container(content.debug(self.debug)).align_x(iced::Alignment::Center))
.width(Length::Fill)
.into(),
);
}
let content = container(row(widgets))
.padding([0, 8, 8, 8])
.width(Length::Fill)
.height(Length::Fill)
.style(theme::Container::Background)
.into();
let warning = warning(&self.warning_message)
.on_close(Message::ToggleWarning)
.into();
if self.show_warning {
column![
header,
container(column(vec![
warning,
iced::widget::vertical_space(Length::Fixed(12.0)).into(),
content,
]))
.style(theme::Container::Background)
]
.into()
} else {
column(vec![header, content]).into()
}
}
fn scale_factor(&self) -> f64 {
self.scale_factor
}
fn theme(&self) -> Theme {
self.theme.clone()
}
}