Improve dialog handling
This commit is contained in:
Jeremy Soller
parent
dea974469a
commit
db485798da
7 changed files with 273 additions and 93 deletions
137
src/dialog.rs
137
src/dialog.rs
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@ -2,12 +2,17 @@
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// SPDX-License-Identifier: GPL-3.0-only
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use cosmic::{
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app::{message, Command, Core},
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app::{
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self,
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cosmic::{Cosmic, Message as CosmicMessage},
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message, Command, Core,
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},
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cosmic_theme, executor,
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iced::{
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event,
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futures::{self, SinkExt},
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keyboard::{Event as KeyEvent, Modifiers},
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multi_window::Application as IcedApplication,
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subscription::{self, Subscription},
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window, Event, Length,
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},
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@ -31,13 +36,89 @@ use crate::{
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};
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#[derive(Clone, Debug)]
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pub struct Flags {
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pub result_lock: Arc<Mutex<Option<Vec<PathBuf>>>>,
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pub struct DialogMessage(app::Message<Message>);
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#[derive(Clone, Debug)]
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pub enum DialogResult {
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Cancel,
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Open(Vec<PathBuf>),
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}
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pub struct Dialog<M> {
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cosmic: Cosmic<App>,
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mapper: fn(DialogMessage) -> M,
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on_result: fn(DialogResult) -> M,
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}
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impl<M: 'static> Dialog<M> {
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pub fn new(
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mapper: fn(DialogMessage) -> M,
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on_result: fn(DialogResult) -> M,
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) -> (Self, Command<M>) {
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let mut settings = window::Settings::default();
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settings.decorations = false;
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settings.exit_on_close_request = false;
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settings.transparent = true;
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settings.platform_specific.application_id = App::APP_ID.to_string();
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let (window_id, window_command) = window::spawn(settings);
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let core = Core::default();
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let flags = Flags { window_id };
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let (cosmic, cosmic_command) = <Cosmic<App> as IcedApplication>::new((core, flags));
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(
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Self {
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cosmic,
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mapper,
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on_result,
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},
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Command::batch([window_command, cosmic_command])
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.map(DialogMessage)
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.map(move |message| app::Message::App(mapper(message))),
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)
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}
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pub fn subscription(&self) -> Subscription<M> {
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self.cosmic
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.subscription()
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.map(DialogMessage)
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.map(self.mapper)
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}
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pub fn update(&mut self, message: DialogMessage) -> Command<M> {
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let mapper = self.mapper;
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let command = self
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.cosmic
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.update(message.0)
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.map(DialogMessage)
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.map(move |message| app::Message::App(mapper(message)));
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if let Some(result) = self.cosmic.app.result_opt.take() {
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let on_result = self.on_result;
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Command::batch([
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command,
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Command::perform(async move { app::Message::App(on_result(result)) }, |x| x),
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])
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} else {
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command
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}
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}
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pub fn view(&self, window_id: window::Id) -> Element<M> {
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self.cosmic
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.view(window_id)
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.map(DialogMessage)
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.map(self.mapper)
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}
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}
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#[derive(Clone, Debug)]
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struct Flags {
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window_id: window::Id,
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}
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/// Messages that are used specifically by our [`App`].
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#[derive(Clone, Debug)]
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pub enum Message {
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enum Message {
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Cancel,
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Modifiers(Modifiers),
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NotifyEvent(notify::Event),
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@ -51,7 +132,7 @@ pub enum Message {
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}
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#[derive(Debug)]
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pub struct WatcherWrapper {
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struct WatcherWrapper {
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watcher_opt: Option<notify::RecommendedWatcher>,
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}
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@ -68,12 +149,13 @@ impl PartialEq for WatcherWrapper {
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}
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/// The [`App`] stores application-specific state.
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pub struct App {
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struct App {
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core: Core,
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flags: Flags,
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nav_model: segmented_button::SingleSelectModel,
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tab_model: segmented_button::Model<segmented_button::SingleSelect>,
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modifiers: Modifiers,
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nav_model: segmented_button::SingleSelectModel,
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result_opt: Option<DialogResult>,
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tab_model: segmented_button::Model<segmented_button::SingleSelect>,
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watcher_opt: Option<(notify::RecommendedWatcher, HashSet<PathBuf>)>,
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}
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@ -124,7 +206,7 @@ impl App {
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None => (String::new(), "COSMIC File Manager".to_string()),
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};
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self.set_header_title(header_title);
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self.set_window_title(window_title, window::Id::MAIN)
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self.set_window_title(window_title, self.main_window_id())
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}
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fn update_watcher(&mut self) -> Command<Message> {
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@ -187,7 +269,7 @@ impl Application for App {
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type Message = Message;
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/// The unique application ID to supply to the window manager.
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const APP_ID: &'static str = "com.system76.CosmicFiles";
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const APP_ID: &'static str = "com.system76.CosmicFilesDialog";
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fn core(&self) -> &Core {
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&self.core
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@ -198,7 +280,7 @@ impl Application for App {
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}
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/// Creates the application, and optionally emits command on initialize.
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fn init(mut core: Core, flags: Self::Flags) -> (Self, Command<Self::Message>) {
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fn init(mut core: Core, flags: Self::Flags) -> (Self, Command<Message>) {
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core.window.show_maximize = false;
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core.window.show_minimize = false;
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@ -232,9 +314,10 @@ impl Application for App {
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let mut app = App {
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core,
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flags,
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nav_model: nav_model.build(),
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tab_model: segmented_button::ModelBuilder::default().build(),
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modifiers: Modifiers::empty(),
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nav_model: nav_model.build(),
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result_opt: None,
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tab_model: segmented_button::ModelBuilder::default().build(),
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watcher_opt: None,
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};
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@ -247,8 +330,12 @@ impl Application for App {
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(app, Command::batch(commands))
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}
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fn main_window_id(&self) -> window::Id {
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self.flags.window_id
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}
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// The default nav_bar widget needs to have its width reduced for cosmic-files
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fn nav_bar(&self) -> Option<Element<message::Message<Self::Message>>> {
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fn nav_bar(&self) -> Option<Element<message::Message<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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@ -270,7 +357,11 @@ impl Application for App {
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Some(&self.nav_model)
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}
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fn on_nav_select(&mut self, entity: segmented_button::Entity) -> Command<Self::Message> {
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fn on_app_exit(&mut self) {
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self.result_opt = Some(DialogResult::Cancel);
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}
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fn on_nav_select(&mut self, entity: segmented_button::Entity) -> Command<Message> {
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let location_opt = self.nav_model.data::<Location>(entity).clone();
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if let Some(location) = location_opt {
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@ -282,11 +373,11 @@ impl Application for App {
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}
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/// Handle application events here.
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fn update(&mut self, message: Self::Message) -> Command<Self::Message> {
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fn update(&mut self, message: Message) -> Command<Message> {
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match message {
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Message::Cancel => {
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*self.flags.result_lock.lock().unwrap() = None;
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return window::close(window::Id::MAIN);
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self.result_opt = Some(DialogResult::Cancel);
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return window::close(self.main_window_id());
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}
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Message::Modifiers(modifiers) => {
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self.modifiers = modifiers;
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@ -341,8 +432,8 @@ impl Application for App {
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}
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}
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}
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*self.flags.result_lock.lock().unwrap() = Some(paths);
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return window::close(window::Id::MAIN);
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self.result_opt = Some(DialogResult::Open(paths));
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return window::close(self.main_window_id());
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}
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Message::SelectAll(entity_opt) => {
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let entity = entity_opt.unwrap_or_else(|| self.tab_model.active());
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@ -379,7 +470,7 @@ impl Application for App {
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// If that was the last tab, close window
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if self.tab_model.iter().next().is_none() {
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return window::close(window::Id::MAIN);
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return window::close(self.main_window_id());
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}
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return Command::batch([self.update_title(), self.update_watcher()]);
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@ -417,7 +508,7 @@ impl Application for App {
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}
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/// Creates a view after each update.
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fn view(&self) -> Element<Self::Message> {
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fn view(&self) -> Element<Message> {
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let cosmic_theme::Spacing { space_xxs, .. } = self.core().system_theme().cosmic().spacing;
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let mut tab_column = widget::column::with_capacity(1);
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@ -470,7 +561,7 @@ impl Application for App {
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content
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}
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fn subscription(&self) -> Subscription<Self::Message> {
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fn subscription(&self) -> Subscription<Message> {
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struct WatcherSubscription;
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Subscription::batch([
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