Unify Application and Program

Instead of creating a separate `multi_window::Program`, the new
`multi_window::Application` unifies both traits
This commit is contained in:
Richard 2022-04-01 17:39:08 -03:00 committed by bungoboingo
parent 287306e1eb
commit b896e41c6e
2 changed files with 36 additions and 22 deletions

View file

@ -9,15 +9,14 @@ use crate::mouse;
use crate::renderer;
use crate::widget::operation;
use crate::{
Command, Debug, Error, Executor, Proxy, Runtime, Settings, Size,
Subscription,
Command, Debug, Element, Error, Executor, Proxy, Renderer, Runtime,
Settings, Size, Subscription,
};
use iced_futures::futures;
use iced_futures::futures::channel::mpsc;
use iced_graphics::compositor;
use iced_graphics::window;
use iced_native::program::Program;
use iced_native::user_interface::{self, UserInterface};
pub use iced_native::application::{Appearance, StyleSheet};
@ -35,13 +34,34 @@ use std::mem::ManuallyDrop;
///
/// When using an [`Application`] with the `debug` feature enabled, a debug view
/// can be toggled by pressing `F12`.
pub trait Application: Program
pub trait Application: Sized
where
<Self::Renderer as crate::Renderer>::Theme: StyleSheet,
{
/// The data needed to initialize your [`Application`].
type Flags;
/// The graphics backend to use to draw the [`Program`].
type Renderer: Renderer;
/// The type of __messages__ your [`Program`] will produce.
type Message: std::fmt::Debug + Send;
/// Handles a __message__ and updates the state of the [`Program`].
///
/// This is where you define your __update logic__. All the __messages__,
/// produced by either user interactions or commands, will be handled by
/// this method.
///
/// Any [`Command`] returned will be executed immediately in the
/// background by shells.
fn update(&mut self, message: Self::Message) -> Command<Self::Message>;
/// Returns the widgets to display in the [`Program`].
///
/// These widgets can produce __messages__ based on user interaction.
fn view(&self) -> Element<'_, Self::Message, Self::Renderer>;
/// Initializes the [`Application`] with the flags provided to
/// [`run`] as part of the [`Settings`].
///