Trait Application

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pub trait Applicationwhere
    Self: Sized + 'static,{
    type Executor: Executor;
    type Flags;
    type Message: Clone + Debug + Send + 'static;

    const APP_ID: &'static str;
Show 27 methods
    // Required methods
    fn core(&self) -> &Core;
    fn core_mut(&mut self) -> &mut Core;
    fn init(core: Core, flags: Self::Flags) -> (Self, Task<Self::Message>);
    fn view(&self) -> Element<'_, Self::Message>;

    // Provided methods
    fn context_drawer(&self) -> Option<ContextDrawer<'_, Self::Message>> { ... }
    fn dialog(&self) -> Option<Element<'_, Self::Message>> { ... }
    fn footer(&self) -> Option<Element<'_, Self::Message>> { ... }
    fn header_start(&self) -> Vec<Element<'_, Self::Message>> { ... }
    fn header_center(&self) -> Vec<Element<'_, Self::Message>> { ... }
    fn header_end(&self) -> Vec<Element<'_, Self::Message>> { ... }
    fn nav_bar(&self) -> Option<Element<'_, Message<Self::Message>>> { ... }
    fn nav_context_menu(
        &self,
        id: Id,
    ) -> Option<Vec<Tree<'_, Message<Self::Message>>>> { ... }
    fn nav_model(&self) -> Option<&Model> { ... }
    fn on_app_exit(&mut self) -> Option<Self::Message> { ... }
    fn on_close_requested(&self, id: Id) -> Option<Self::Message> { ... }
    fn on_context_drawer(&mut self) -> Task<Self::Message> { ... }
    fn on_escape(&mut self) -> Task<Self::Message> { ... }
    fn on_nav_select(&mut self, id: Id) -> Task<Self::Message> { ... }
    fn on_nav_context(&mut self, id: Id) -> Task<Self::Message> { ... }
    fn on_search(&mut self) -> Task<Self::Message> { ... }
    fn on_window_resize(&mut self, id: Id, width: f32, height: f32) { ... }
    fn subscription(&self) -> Subscription<Self::Message> { ... }
    fn update(&mut self, message: Self::Message) -> Task<Self::Message> { ... }
    fn system_theme_update(
        &mut self,
        keys: &[&'static str],
        new_theme: &Theme,
    ) -> Task<Self::Message> { ... }
    fn system_theme_mode_update(
        &mut self,
        keys: &[&'static str],
        new_theme: &ThemeMode,
    ) -> Task<Self::Message> { ... }
    fn view_window(&self, id: Id) -> Element<'_, Self::Message> { ... }
    fn style(&self) -> Option<Appearance> { ... }
}

Expand description

An interactive cross-platform COSMIC application.

Required Associated Constants§

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const APP_ID: &'static str

An ID that uniquely identifies the application. The standard is to pick an ID based on a reverse-domain name notation. IE: com.system76.Settings

Required Associated Types§

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type Executor: Executor

Default async executor to use with the app.

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type Flags

Argument received [Application::new].

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type Message: Clone + Debug + Send + 'static

Message type specific to our app.

Required Methods§

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fn core(&self) -> &Core

Grants access to the COSMIC Core.

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fn core_mut(&mut self) -> &mut Core

Grants access to the COSMIC Core.

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fn init(core: Core, flags: Self::Flags) -> (Self, Task<Self::Message>)

Creates the application, and optionally emits task on initialize.

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fn view(&self) -> Element<'_, Self::Message>

Constructs the view for the main window.

Provided Methods§

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fn context_drawer(&self) -> Option<ContextDrawer<'_, Self::Message>>

Displays a context drawer on the side of the application window when Some. Use the ApplicationExt::set_show_context function for this to take effect.

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