libcosmic/examples/cosmic-sctk/src/window.rs
2023-08-02 11:54:07 +02:00

529 lines
18 KiB
Rust

// Copyright 2022 System76 <info@system76.com>
// SPDX-License-Identifier: MPL-2.0
use cosmic::{
iced::{self, wayland::window::set_mode_window, Application, Command, Length},
iced::{
wayland::window::{start_drag_window, toggle_maximize},
widget::{column, container, horizontal_space, pick_list, progress_bar, row, slider},
window, Color,
},
iced_futures::Subscription,
iced_style::application,
iced_widget::text,
theme::{self, Theme},
widget::{
button, cosmic_container, header_bar, nav_bar, nav_bar_toggle,
rectangle_tracker::{rectangle_tracker_subscription, RectangleTracker, RectangleUpdate},
scrollable, segmented_button, segmented_selection, settings, IconSource,
},
Element, ElementExt,
};
use cosmic_time::{anim, chain, id, once_cell::sync::Lazy, Instant, Timeline};
use std::{
sync::atomic::{AtomicU32, Ordering},
vec,
};
use theme::Button as ButtonTheme;
static DEBUG_TOGGLER: Lazy<id::Toggler> = Lazy::new(id::Toggler::unique);
static TOGGLER: Lazy<id::Toggler> = Lazy::new(id::Toggler::unique);
static CARDS: Lazy<id::Cards> = Lazy::new(id::Cards::unique);
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum Page {
Demo,
WiFi,
Networking,
Bluetooth,
Desktop,
InputDevices,
Displays,
PowerAndBattery,
Sound,
PrintersAndScanners,
PrivacyAndSecurity,
SystemAndAccounts,
UpdatesAndRecovery,
TimeAndLanguage,
Accessibility,
Applications,
}
impl Page {
//TODO: translate
pub fn title(&self) -> &'static str {
use Page::*;
match self {
Demo => "Demo",
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",
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
}
}
static WINDOW_WIDTH: AtomicU32 = AtomicU32::new(0);
const BREAK_POINT: u32 = 900;
#[derive(Default)]
pub struct Window {
title: String,
page: Page,
debug: bool,
theme: Theme,
slider_value: f32,
checkbox_value: bool,
toggler_value: bool,
cards_value: bool,
pick_list_selected: Option<&'static str>,
nav_bar_pages: segmented_button::SingleSelectModel,
nav_bar_toggled_condensed: bool,
nav_bar_toggled: bool,
show_minimize: bool,
show_maximize: bool,
exit: bool,
rectangle_tracker: Option<RectangleTracker<u32>>,
pub selection: segmented_button::SingleSelectModel,
timeline: Timeline,
}
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_pages
.insert()
.text(page.title())
.icon(IconSource::from(page.icon_name()))
.data(page)
}
fn is_condensed(&self) -> bool {
WINDOW_WIDTH.load(Ordering::Relaxed) < BREAK_POINT
}
pub fn nav_bar_toggled(mut self, toggled: bool) -> Self {
self.nav_bar_toggled = toggled;
self
}
fn page(&mut self, page: Page) {
self.nav_bar_toggled_condensed = false;
self.page = page;
}
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
}
}
#[allow(dead_code)]
#[derive(Clone, Debug)]
pub enum Message {
Page(Page),
Debug(bool),
ThemeChanged(Theme),
ButtonPressed,
SliderChanged(f32),
CheckboxToggled(bool),
TogglerToggled(bool),
CardsToggled(bool),
PickListSelected(&'static str),
RowSelected(usize),
Close,
ToggleNavBar,
ToggleNavBarCondensed,
Drag,
Minimize,
Maximize,
InputChanged,
Rectangle(RectangleUpdate<u32>),
NavBar(segmented_button::Entity),
Ignore,
Selection(segmented_button::Entity),
Tick(Instant),
}
impl Window {
fn update_togglers(&mut self) {
let timeline = &mut self.timeline;
let chain = if self.toggler_value {
chain::Toggler::on(TOGGLER.clone(), 1.)
} else {
chain::Toggler::off(TOGGLER.clone(), 1.)
};
timeline.set_chain(chain);
let chain = if self.debug {
chain::Toggler::on(DEBUG_TOGGLER.clone(), 1.)
} else {
chain::Toggler::off(DEBUG_TOGGLER.clone(), 1.)
};
timeline.set_chain(chain);
timeline.start();
}
fn update_cards(&mut self) {
let timeline = &mut self.timeline;
let chain = if self.cards_value {
chain::Cards::on(CARDS.clone(), 1.)
} else {
chain::Cards::off(CARDS.clone(), 1.)
};
timeline.set_chain(chain);
timeline.start();
}
}
impl Application for Window {
type Executor = iced::executor::Default;
type Flags = ();
type Message = Message;
type Theme = Theme;
fn new(_flags: ()) -> (Self, Command<Self::Message>) {
let mut window = Window::default()
.nav_bar_toggled(true)
.show_maximize(true)
.show_minimize(true);
window.selection = segmented_button::Model::builder()
.insert(|b| b.text("Choice A").activate())
.insert(|b| b.text("Choice B"))
.insert(|b| b.text("Choice C"))
.build();
window.slider_value = 50.0;
// window.theme = Theme::Light;
window.pick_list_selected = Some("Option 1");
window.title = String::from("COSMIC Design System - Iced");
window.insert_page(Page::Demo);
window.insert_page(Page::WiFi);
window.insert_page(Page::Networking);
window.insert_page(Page::Bluetooth);
window.insert_page(Page::Desktop).activate();
window.insert_page(Page::InputDevices);
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);
window.insert_page(Page::TimeAndLanguage);
window.insert_page(Page::Accessibility);
window.insert_page(Page::Applications);
(window, Command::none())
}
fn title(&self) -> String {
self.title.clone()
}
fn update(&mut self, message: Message) -> iced::Command<Self::Message> {
match message {
Message::NavBar(key) => {
if let Some(page) = self.nav_bar_pages.data::<Page>(key).cloned() {
self.nav_bar_pages.activate(key);
self.page(page);
}
}
Message::Page(page) => self.page = page,
Message::Debug(debug) => {
self.debug = debug;
self.update_togglers();
}
Message::ThemeChanged(theme) => self.theme = theme,
Message::ButtonPressed => {}
Message::SliderChanged(value) => self.slider_value = value,
Message::CheckboxToggled(value) => {
self.checkbox_value = value;
}
Message::TogglerToggled(value) => {
self.toggler_value = value;
self.update_togglers();
}
Message::CardsToggled(value) => {
self.cards_value = value;
self.update_cards();
}
Message::PickListSelected(value) => self.pick_list_selected = Some(value),
Message::Close => self.exit = true,
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 start_drag_window(window::Id(0)),
Message::Minimize => return set_mode_window(window::Id(0), window::Mode::Hidden),
Message::Maximize => return toggle_maximize(window::Id(0)),
Message::RowSelected(row) => println!("Selected row {row}"),
Message::InputChanged => {}
Message::Rectangle(r) => match r {
RectangleUpdate::Rectangle(_) => {}
RectangleUpdate::Init(t) => {
self.rectangle_tracker.replace(t);
}
},
Message::Ignore => {}
Message::Selection(key) => self.selection.activate(key),
Message::Tick(now) => self.timeline.now(now),
}
Command::none()
}
fn view(&self, _: window::Id) -> 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_pages, Message::NavBar);
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 !nav_bar_toggled {
let secondary = button(ButtonTheme::Secondary)
.text("Secondary")
.on_press(Message::ButtonPressed);
let secondary = if let Some(tracker) = self.rectangle_tracker.as_ref() {
tracker.container(0, secondary).into()
} else {
secondary.into()
};
let content: Element<_> = settings::view_column(vec![
settings::view_section("Debug")
.add(settings::item(
"Debug layout",
container(anim!(
//toggler
DEBUG_TOGGLER,
&self.timeline,
String::from("Debug layout"),
self.debug,
|_chain, enable| { Message::Debug(enable) },
)),
))
.into(),
settings::view_section("Buttons")
.add(settings::item_row(vec![
button(ButtonTheme::Primary)
.text("Primary")
.on_press(Message::ButtonPressed)
.into(),
secondary,
button(ButtonTheme::Positive)
.text("Positive")
.on_press(Message::ButtonPressed)
.into(),
button(ButtonTheme::Destructive)
.text("Destructive")
.on_press(Message::ButtonPressed)
.into(),
button(ButtonTheme::Text)
.text("Text")
.on_press(Message::ButtonPressed)
.into(),
]))
.add(settings::item_row(vec![
button(ButtonTheme::Primary).text("Primary").into(),
button(ButtonTheme::Secondary).text("Secondary").into(),
button(ButtonTheme::Positive).text("Positive").into(),
button(ButtonTheme::Destructive).text("Destructive").into(),
button(ButtonTheme::Text).text("Text").into(),
]))
.into(),
settings::view_section("Controls")
.add(settings::item(
"Toggler",
anim!(
//toggler
TOGGLER,
&self.timeline,
None,
self.toggler_value,
|_chain, enable| { Message::TogglerToggled(enable) },
),
))
.add(settings::item(
"Pick List (TODO)",
pick_list(
vec!["Option 1", "Option 2", "Option 3", "Option 4"],
self.pick_list_selected,
Message::PickListSelected,
)
.text_size(14.0),
))
.add(settings::item(
"Slider",
slider(0.0..=100.0, self.slider_value, Message::SliderChanged)
.width(Length::Fixed(250.0)),
))
.add(settings::item(
"Progress",
progress_bar(0.0..=100.0, self.slider_value)
.width(Length::Fixed(250.0))
.height(Length::Fixed(4.0)),
))
.add(settings::item(
"Segmented Button",
segmented_selection::horizontal(&self.selection)
.on_activate(Message::Selection),
))
.add(settings::item(
"Cards",
cosmic_container::container(anim!(
//cards
CARDS,
&self.timeline,
vec![
text("Card 1").size(24).width(Length::Fill).into(),
text("Card 2").size(24).width(Length::Fill).into(),
text("Card 3").size(24).width(Length::Fill).into(),
text("Card 4").size(24).width(Length::Fill).into(),
],
Message::Ignore,
|_, e| Message::CardsToggled(e),
"Show More",
"Show Less",
"Clear All",
None,
self.cards_value,
))
.layer(cosmic::cosmic_theme::Layer::Secondary)
.padding(16)
.style(cosmic::theme::Container::Secondary),
))
.into(),
])
.into();
widgets.push(
scrollable(row![
horizontal_space(Length::Fill),
content.debug(self.debug),
horizontal_space(Length::Fill),
])
.into(),
);
}
let content = container(row(widgets))
.padding([0, 8, 8, 8])
.width(Length::Fill)
.height(Length::Fill)
.style(theme::Container::Background)
.into();
column(vec![header, content]).into()
}
fn should_exit(&self) -> bool {
self.exit
}
fn theme(&self) -> Theme {
self.theme.clone()
}
fn close_requested(&self, _id: window::Id) -> Self::Message {
Message::Close
}
fn subscription(&self) -> iced::Subscription<Self::Message> {
Subscription::batch(vec![
rectangle_tracker_subscription(0).map(|(_, e)| Self::Message::Rectangle(e)),
self.timeline
.as_subscription()
.map(|(_, instant)| Self::Message::Tick(instant)),
])
}
fn style(&self) -> <Self::Theme as cosmic::iced_style::application::StyleSheet>::Style {
cosmic::theme::Application::Custom(Box::new(|theme| application::Appearance {
background_color: Color::TRANSPARENT,
text_color: theme.cosmic().on_bg_color().into(),
}))
}
}