Struct relm4_components::open_button::OpenButton

pub struct OpenButton { /* private fields */ }

Open button component.

Creates a button with custom text that can be used to open a file chooser dialog. If a file is chosen, then it will be emitted as an output. The component can also optionally display a popover list of open files if OpenButtonSettings::recently_opened_files is set to a value.

Implementations

impl OpenButton

pub fn track_all() -> u8

Get a bit mask to look for changes on all fields.

pub fn mark_all_changed(&mut self)

Mark all fields of the struct as changed.

pub fn changed(&self, mask: u8) -> bool

Check for changes made to this struct with a given bitmask.

To receive the bitmask, simply call Type::#field_name() or Type::#track_all();

pub fn reset(&mut self)

Resets the tracker value of this struct to mark all fields as unchanged again.

Trait Implementations

impl Debug for OpenButton

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

Formats the value using the given formatter.

impl SimpleComponent for OpenButton

Widgets of the open button component

fn update_view( &self, widgets: &mut Self::Widgets, sender: ComponentSender<Self> )

Update the view to represent the updated model.

type Init = OpenButtonSettings

The parameter used to initialize the component.

type Input = OpenButtonMsg

The message type that the component accepts as inputs.

type Output = PathBuf

The message type that the component provides as outputs.

fn update(&mut self, msg: Self::Input, sender: ComponentSender<Self>)

Processes inputs received by the component.

fn init( settings: Self::Init, root: &Self::Root, sender: ComponentSender<Self> ) -> ComponentParts<Self>

Creates the initial model and view, docking it into the component.

type Root = Box

The widget that was constructed by the component.

fn init_root() -> Self::Root

Initializes the root widget

type Widgets = OpenButtonWidgets

The type that’s used for storing widgets created for this component.

fn update_cmd( &mut self, input: &Sender<Self::Input>, output: Sender<Self::Output> )

Defines how the component should respond to command updates.

fn shutdown( &mut self, widgets: &mut Self::Widgets, output: Sender<Self::Output> )

Last method called before a component is shut down.