Enum MenuItem 

pub enum MenuItem {
    Action {
        id: Option<String>,
        action: u64,
        label: String,
        shortcut: Option<Shortcut>,
        enabled: bool,
        checked: Option<bool>,
        role: Option<MenuRole>,
        icon: Option<Icon>,
    },
    Submenu {
        label: String,
        items: Vec<MenuItem>,
        role: Option<MenuBarRole>,
    },
    Separator,
}

One entry in a menu (recursive: a Submenu nests).

Variants

Action

A command. action (nonzero) dispatches Event::MenuAction to the app; a role-only item uses the native standard command instead (action 0). label/shortcut override the role’s defaults. icon is the platform’s own glyph beside the title where menus carry one (macOS, Windows, GNOME, KDE, Android); a backend whose menus are text-only ignores it.

The id/action split is ToolbarItem’s: id names the item and action is what it runs. They are separate because a label cannot serve as a name (it is localized, and an item that shows its own state changes it), so anything addressing an item from outside (dayscript’s menu: { id: … }) needs something that does not move.

Fields

id: Option<String>

The app’s own name for this item, where it gave one. Stable across locales and across a change of checked, and unique within the menu it is installed in.

action: u64

The item’s command, as a dispatch id from the same registry Event::MenuAction uses (0 = no command), so a toolbar button and its menu twin can share one closure.

label: String

shortcut: Option<Shortcut>

enabled: bool

checked: Option<bool>

On/off state where the item stands for a setting or one of several choices, drawn with the platform’s own check mark. None is a plain command and reserves no mark; Some makes the item checkable and says which way it currently sits.

The item still runs its action when chosen; a backend never flips this on its own. The app owns the state, and re-installing the menu (app_menu, which re-lowers on change) is what moves the mark, so what the menu shows can never disagree with what the app thinks.

role: Option<MenuRole>

icon: Option<Icon>

Submenu

A nested submenu. At the top level of an app menu a role claims one of the platform’s standard menu-bar slots: the backend then uses this menu instead of its stock one, and places it where the platform expects that menu to sit.

Fields

label: String

items: Vec<MenuItem>

role: Option<MenuBarRole>

Separator

A visual separator.

Trait Implementations

impl Clone for MenuItem

fn clone(&self) -> MenuItem

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MenuItem

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for MenuItem

fn eq(&self, other: &MenuItem) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for MenuItem