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author | 2020-04-01 04:35:24 +0200 | |
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committer | 2020-04-02 03:44:14 +0200 | |
commit | f5e7e0625eec96f96d9dcbe514198a82bd5a49ec (patch) | |
tree | ee358df2558c8122498061eac3e9bf509df7e204 /src/application.rs | |
parent | 4c44517556976454c0598c876addb10b88515cda (diff) | |
download | iced-f5e7e0625eec96f96d9dcbe514198a82bd5a49ec.tar.gz iced-f5e7e0625eec96f96d9dcbe514198a82bd5a49ec.tar.bz2 iced-f5e7e0625eec96f96d9dcbe514198a82bd5a49ec.zip |
Improve docs for `Sandbox` and `Application`
Diffstat (limited to 'src/application.rs')
-rw-r--r-- | src/application.rs | 99 |
1 files changed, 50 insertions, 49 deletions
diff --git a/src/application.rs b/src/application.rs index 43aa57a3..8c4a77a2 100644 --- a/src/application.rs +++ b/src/application.rs @@ -9,75 +9,76 @@ use crate::{window, Command, Element, Executor, Settings, Subscription}; /// - On the web, it will take control of the `<title>` and the `<body>` of the /// document. /// -/// An [`Application`](trait.Application.html) can execute asynchronous actions -/// by returning a [`Command`](struct.Command.html) in some of its methods. If +/// An [`Application`] can execute asynchronous actions by returning a +/// [`Command`](struct.Command.html) in some of its methods. If /// you do not intend to perform any background work in your program, the /// [`Sandbox`](trait.Sandbox.html) trait offers a simplified interface. /// -/// # Example -/// Let's say we want to run the [`Counter` example we implemented -/// before](index.html#overview). We just need to fill in the gaps: +/// [`Application`]: trait.Application.html +/// +/// # Examples +/// [The repository has a bunch of examples] that use the [`Application`] trait: +/// +/// - [`clock`], an application that uses the [`Canvas`] widget to draw a clock +/// and its hands to display the current time. +/// - [`download_progress`], a basic application that asynchronously downloads +/// a dummy file of 100 MB and tracks the download progress. +/// - [`events`], a log of native events displayed using a conditional +/// [`Subscription`]. +/// - [`pokedex`], an application that displays a random Pokédex entry (sprite +/// included!) by using the [PokéAPI]. +/// - [`solar_system`], an animated solar system drawn using the [`Canvas`] widget +/// and showcasing how to compose different transforms. +/// - [`stopwatch`], a watch with start/stop and reset buttons showcasing how +/// to listen to time. +/// - [`todos`], a todos tracker inspired by [TodoMVC]. +/// +/// [The repository has a bunch of examples]: https://github.com/hecrj/iced/tree/0.1/examples +/// [`clock`]: https://github.com/hecrj/iced/tree/0.1/examples/clock +/// [`download_progress`]: https://github.com/hecrj/iced/tree/0.1/examples/download_progress +/// [`events`]: https://github.com/hecrj/iced/tree/0.1/examples/events +/// [`pokedex`]: https://github.com/hecrj/iced/tree/0.1/examples/pokedex +/// [`solar_system`]: https://github.com/hecrj/iced/tree/0.1/examples/solar_system +/// [`stopwatch`]: https://github.com/hecrj/iced/tree/0.1/examples/stopwatch +/// [`todos`]: https://github.com/hecrj/iced/tree/0.1/examples/todos +/// [`Canvas`]: widget/canvas/struct.Canvas.html +/// [PokéAPI]: https://pokeapi.co/ +/// [`Subscription`]: type.Subscription.html +/// [TodoMVC]: http://todomvc.com/ +/// +/// ## A simple "Hello, world!" +/// +/// If you just want to get started, here is a simple [`Application`] that +/// says "Hello, world!": /// /// ```no_run -/// use iced::{button, executor, Application, Button, Column, Command, Element, Settings, Text}; +/// use iced::{executor, Application, Command, Element, Settings, Text}; /// /// pub fn main() { -/// Counter::run(Settings::default()) +/// Hello::run(Settings::default()) /// } /// -/// #[derive(Default)] -/// struct Counter { -/// value: i32, -/// increment_button: button::State, -/// decrement_button: button::State, -/// } -/// -/// #[derive(Debug, Clone, Copy)] -/// enum Message { -/// IncrementPressed, -/// DecrementPressed, -/// } +/// struct Hello; /// -/// impl Application for Counter { +/// impl Application for Hello { /// type Executor = executor::Null; -/// type Message = Message; +/// type Message = (); /// type Flags = (); /// -/// fn new(_flags: ()) -> (Self, Command<Message>) { -/// (Self::default(), Command::none()) +/// fn new(_flags: ()) -> (Hello, Command<Self::Message>) { +/// (Hello, Command::none()) /// } /// /// fn title(&self) -> String { -/// String::from("A simple counter") +/// String::from("A cool application") /// } /// -/// fn update(&mut self, message: Message) -> Command<Message> { -/// match message { -/// Message::IncrementPressed => { -/// self.value += 1; -/// } -/// Message::DecrementPressed => { -/// self.value -= 1; -/// } -/// } -/// +/// fn update(&mut self, _message: Self::Message) -> Command<Self::Message> { /// Command::none() /// } /// -/// fn view(&mut self) -> Element<Message> { -/// Column::new() -/// .push( -/// Button::new(&mut self.increment_button, Text::new("Increment")) -/// .on_press(Message::IncrementPressed), -/// ) -/// .push( -/// Text::new(self.value.to_string()).size(50), -/// ) -/// .push( -/// Button::new(&mut self.decrement_button, Text::new("Decrement")) -/// .on_press(Message::DecrementPressed), -/// ) -/// .into() +/// fn view(&mut self) -> Element<Self::Message> { +/// Text::new("Hello, world!").into() /// } /// } /// ``` @@ -101,7 +102,7 @@ pub trait Application: Sized { type Flags; /// Initializes the [`Application`] with the flags provided to - /// [`run`] as part of the [`Settings`]: + /// [`run`] as part of the [`Settings`]. /// /// Here is where you should return the initial state of your app. /// |