Struct iced::widget::QRCode

pub struct QRCode<'a> { /* private fields */ }

Available on crate feature qr_code only.

A type of matrix barcode consisting of squares arranged in a grid which can be read by an imaging device, such as a camera.

Implementations

impl<'a> QRCode<'a>

pub fn new(state: &'a State) -> QRCode<'a>

Creates a new QRCode with the provided State.

pub fn color(self, dark: Color, light: Color) -> QRCode<'a>

Sets both the dark and light Colors of the QRCode.

pub fn cell_size(self, cell_size: u16) -> QRCode<'a>

Sets the size of the squares of the grid cell of the QRCode.

Trait Implementations

impl<'a> Debug for QRCode<'a>

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

Formats the value using the given formatter.

impl<'a, Message, B, T> Widget<Message, Renderer<B, T>> for QRCode<'a>where
    B: Backend,

fn width(&self) -> Length

Returns the width of the Widget.

fn height(&self) -> Length

Returns the height of the Widget.

fn layout(&self, _renderer: &Renderer<B, T>, _limits: &Limits) -> Node

Returns the layout::Node of the Widget.

fn draw(
    &self,
    _state: &Tree,
    renderer: &mut Renderer<B, T>,
    _theme: &T,
    _style: &Style,
    layout: Layout<'_>,
    _cursor_position: Point,
    _viewport: &Rectangle<f32>
)

Draws the Widget using the associated Renderer.

fn tag(&self) -> Tag

Returns the Tag of the Widget.

fn state(&self) -> State

Returns the State of the Widget.

fn children(&self) -> Vec<Tree, Global>

Returns the state Tree of the children of the Widget.

fn diff(&self, _tree: &mut Tree)

Reconciliates the Widget with the provided Tree.

fn operate(
    &self,
    _state: &mut Tree,
    _layout: Layout<'_>,
    _renderer: &Renderer,
    _operation: &mut dyn Operation<Message>
)

Applies an Operation to the Widget.

fn on_event(
    &mut self,
    _state: &mut Tree,
    _event: Event,
    _layout: Layout<'_>,
    _cursor_position: Point,
    _renderer: &Renderer,
    _clipboard: &mut dyn Clipboard,
    _shell: &mut Shell<'_, Message>
) -> Status

Processes a runtime Event.

fn mouse_interaction(
    &self,
    _state: &Tree,
    _layout: Layout<'_>,
    _cursor_position: Point,
    _viewport: &Rectangle<f32>,
    _renderer: &Renderer
) -> Interaction

Returns the current mouse::Interaction of the Widget.

fn overlay<'a>(
    &'a mut self,
    _state: &'a mut Tree,
    _layout: Layout<'_>,
    _renderer: &Renderer
) -> Option<Element<'a, Message, Renderer>>

Returns the overlay of the Widget, if there is any.