libcosmic/examples/cosmic/src/window.rs
2023-01-06 10:58:42 -07:00

545 lines
18 KiB
Rust

/// Copyright 2022 System76 <info@system76.com>
// SPDX-License-Identifier: MPL-2.0
use cosmic::{
iced::widget::{self, button, column, container, horizontal_space, row, text},
iced::{
self,
event::{self, Event},
keyboard, Application, Command, Length, Subscription,
},
iced_native,
iced_native::{subscription, window},
iced_winit::window::{close, drag, minimize, toggle_maximize},
theme::{self, Theme},
widget::{header_bar, icon, list, nav_bar, nav_button, scrollable, settings},
Element, ElementExt,
};
use once_cell::sync::Lazy;
use std::{
sync::atomic::{AtomicU32, Ordering},
vec,
};
static BTN: Lazy<button::Id> = Lazy::new(button::Id::unique);
mod bluetooth;
mod demo;
use self::desktop::DesktopPage;
mod desktop;
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,
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",
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(None)
}
}
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,
bluetooth: bluetooth::State,
demo: demo::State,
desktop: desktop::State,
system_and_accounts: system_and_accounts::State,
sidebar_toggled: bool,
sidebar_toggled_condensed: bool,
show_minimize: bool,
show_maximize: bool,
}
impl Window {
pub fn sidebar_toggled(mut self, toggled: bool) -> Self {
self.sidebar_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
}
}
#[allow(dead_code)]
#[derive(Clone, Copy, Debug)]
pub enum Message {
Close,
CondensedViewToggle,
TabNav(bool),
Bluetooth(bluetooth::Message),
Demo(demo::Message),
Desktop(desktop::Message),
Drag,
InputChanged,
Maximize,
Minimize,
Page(Page),
ToggleSidebar,
ToggleSidebarCondensed,
}
impl From<Page> for Message {
fn from(page: Page) -> Message {
Message::Page(page)
}
}
impl Window {
fn page_title<Message: 'static>(&self, page: Page) -> Element<Message> {
row!(text(page.title()).size(30), horizontal_space(Length::Fill),).into()
}
fn is_condensed(&self) -> bool {
WINDOW_WIDTH.load(Ordering::Relaxed) < BREAK_POINT
}
fn page(&mut self, page: Page) {
self.sidebar_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!(
iced::widget::Button::new(row!(
icon("go-previous-symbolic", 16).style(theme::Svg::SymbolicLink),
text(page.title()).size(16),
))
.padding(0)
.style(theme::Button::Link)
.id(BTN.clone())
.on_press(Message::from(page)),
row!(
text(sub_page.title()).size(30),
horizontal_space(Length::Fill),
),
)
.spacing(10)
.into()
}
fn sub_page_button<Message: Clone + From<Page> + 'static>(
&self,
sub_page: impl SubPage,
) -> Element<Message> {
iced::widget::Button::new(
container(
settings::item_row(vec![
icon(sub_page.icon_name(), 20)
.style(theme::Svg::Symbolic)
.into(),
column!(
text(sub_page.title()).size(18),
text(sub_page.description()).size(12),
)
.spacing(2)
.into(),
horizontal_space(iced::Length::Fill).into(),
icon("go-next-symbolic", 20)
.style(theme::Svg::Symbolic)
.into(),
])
.spacing(16),
)
.padding([20, 24])
.style(theme::Container::Custom(list::column::style)),
)
.padding(0)
.style(theme::Button::Transparent)
.on_press(Message::from(sub_page.into_page()))
.id(BTN.clone())
.into()
}
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 = iced::executor::Default;
type Flags = ();
type Message = Message;
type Theme = Theme;
fn new(_flags: ()) -> (Self, Command<Self::Message>) {
let mut window = Window::default()
.sidebar_toggled(true)
.show_maximize(true)
.show_minimize(true);
window.title = String::from("COSMIC Design System - Iced");
(window, Command::none())
}
fn title(&self) -> String {
self.title.clone()
}
fn subscription(&self) -> Subscription<Message> {
let window_break = subscription::events_with(|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,
});
let tab_navagation = subscription::events_with(|event, status| match (event, status) {
(
Event::Keyboard(keyboard::Event::KeyPressed {
key_code: keyboard::KeyCode::Tab,
modifiers,
..
}),
event::Status::Ignored,
) => Some(modifiers.shift()),
_ => None,
});
Subscription::batch(vec![
window_break.map(|_| Message::CondensedViewToggle),
tab_navagation.map(Message::TabNav),
])
}
fn update(&mut self, message: Message) -> iced::Command<Self::Message> {
let mut ret = Command::none();
match message {
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::ThemeChanged(theme)) => self.theme = theme,
None => (),
},
Message::Desktop(message) => match self.desktop.update(message) {
Some(desktop::Output::Page(page)) => self.page(page),
None => (),
},
Message::ToggleSidebar => self.sidebar_toggled = !self.sidebar_toggled,
Message::ToggleSidebarCondensed => {
self.sidebar_toggled_condensed = !self.sidebar_toggled_condensed
}
Message::Drag => return drag(window::Id::new(0)),
Message::Close => return close(window::Id::new(0)),
Message::Minimize => return minimize(window::Id::new(0), true),
Message::Maximize => return toggle_maximize(window::Id::new(0)),
Message::InputChanged => {}
Message::CondensedViewToggle => {}
Message::TabNav(shift) => {
if shift {
ret = widget::focus_previous();
} else {
ret = widget::focus_next();
}
}
}
ret
}
fn view(&self) -> Element<Message> {
let (sidebar_message, sidebar_toggled) = if self.is_condensed() {
(
Message::ToggleSidebarCondensed,
self.sidebar_toggled_condensed,
)
} else {
(Message::ToggleSidebar, self.sidebar_toggled)
};
let mut header = header_bar()
.title("COSMIC Design System - Iced")
.on_close(Message::Close)
.on_drag(Message::Drag)
.start(
nav_button("Settings")
.on_sidebar_toggled(sidebar_message)
.sidebar_active(sidebar_toggled)
.into(),
);
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 sidebar_toggled {
let sidebar_button_complex = |page: Page, active| {
cosmic::nav_button!(page.icon_name(), page.title(), active)
.on_press(Message::Page(page))
.id(BTN.clone())
};
let sidebar_button = |page: Page| sidebar_button_complex(page, self.page == page);
let mut sidebar = container(scrollable(
column!(
sidebar_button(Page::Demo),
sidebar_button(Page::WiFi),
sidebar_button_complex(
Page::Networking(None),
matches!(self.page, Page::Networking(_))
),
sidebar_button(Page::Bluetooth),
sidebar_button_complex(
Page::Desktop(None),
matches!(self.page, Page::Desktop(_))
),
sidebar_button_complex(
Page::InputDevices(None),
matches!(self.page, Page::InputDevices(_))
),
sidebar_button(Page::Displays),
sidebar_button(Page::PowerAndBattery),
sidebar_button(Page::Sound),
sidebar_button(Page::PrintersAndScanners),
sidebar_button(Page::PrivacyAndSecurity),
sidebar_button_complex(
Page::SystemAndAccounts(None),
matches!(self.page, Page::SystemAndAccounts(_))
),
sidebar_button(Page::UpdatesAndRecovery),
sidebar_button_complex(
Page::TimeAndLanguage(None),
matches!(self.page, Page::TimeAndLanguage(_))
),
sidebar_button(Page::Accessibility),
sidebar_button(Page::Applications),
)
.spacing(14),
))
.height(Length::Fill)
.padding(8)
.style(theme::Container::Custom(nav_bar::nav_bar_sections_style));
if !self.is_condensed() {
sidebar = sidebar.max_width(300)
}
let sidebar: Element<_> = sidebar.into();
widgets.push(sidebar.debug(self.debug));
}
if !(self.is_condensed() && sidebar_toggled) {
let content: Element<_> = match self.page {
Page::Demo => self.demo.view(self).map(Message::Demo),
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(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)
.into();
column(vec![header, content]).into()
}
fn theme(&self) -> Theme {
self.theme
}
}