Struct druid::widget::Button

pub struct Button<T: Data + 'static + Default> {
    id: WidgetId,
    label: Label<T>,
    action: fn(_: &mut EventCtx<T>, _: &mut T, _: &Env),
}

A button with a text label.

Fields

id: WidgetId

label: Label<T>

action: fn(_: &mut EventCtx<T>, _: &mut T, _: &Env)

Methods

impl<T: Data + 'static + Default> Button<T>

pub fn new(
    text: impl Into<LabelText<T>>,
    action: fn(_: &mut EventCtx<T>, _: &mut T, _: &Env)
) -> Button<T>

Create a new button. The closure provided will be called when the button is clicked.

Trait Implementations

impl<T: Clone + Data + 'static + Default> Clone for Button<T>

fn clone(&self) -> Button<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Data + 'static + Default> Widget<T> for Button<T>

fn paint(
    &mut self,
    paint_ctx: &mut PaintCtx,
    base_state: &BaseState,
    data: &T,
    env: &Env
)

Paint the widget appearance.

fn layout(
    &mut self,
    layout_ctx: &mut LayoutCtx,
    bc: &BoxConstraints,
    data: &T,
    env: &Env
) -> Size

Compute layout.

fn event(
    &mut self,
    ctx: &mut EventCtx<T>,
    event: &Event,
    data: &mut T,
    env: &Env
)

Handle an event.

fn update(
    &mut self,
    ctx: &mut UpdateCtx<T>,
    old_data: Option<&T>,
    data: &T,
    env: &Env
)

Handle a change of data.

fn to_type(self) -> WidgetType<T>

Wrap this Widget in a WidgetType enum for boxing by WidgetBox

fn new_window(self) -> WindowBox<T>

Wrap this Widget in a WindowBox as the root of the Window

fn get_id(self) -> WidgetId

Return the unique ID for this Widget