Struct Painter

pub struct Painter<T> {
    pub draw: Box<dyn FnMut(&mut DrawCx<'_, '_>, &mut T)>,
    pub size: Option<Size>,
}

A view that draws something.

The painter takes up as much space as possible.

Fields

draw: Box<dyn FnMut(&mut DrawCx<'_, '_>, &mut T)>

The draw function.

size: Option<Size>

The size of the view.

Implementations

impl<T> Painter<T>

pub fn draw( self, draw: impl Into<Box<dyn FnMut(&mut DrawCx<'_, '_>, &mut T)>>, ) -> Painter<T>

Set self.draw.

The draw function.

pub fn size(self, size: impl Into<Size>) -> Painter<T>

Set self.size.

The size of the view.

impl<T> Painter<T>

pub fn new( draw: impl FnMut(&mut DrawCx<'_, '_>, &mut T) + 'static, ) -> Painter<T>

Create a new Painter view.

Trait Implementations

impl<T> Rebuild for Painter<T>

fn rebuild(&self, cx: &mut RebuildCx<'_, '_>, old: &Painter<T>)

Rebuild the view.

impl<T> View<T> for Painter<T>

type State = ()

The state of the view, see top-level documentation for more information.

fn build( &mut self, _cx: &mut BuildCx<'_, '_>, _data: &mut T, ) -> <Painter<T> as View<T>>::State

Build the view state, see top-level documentation for more information.

fn rebuild( &mut self, _state: &mut <Painter<T> as View<T>>::State, cx: &mut RebuildCx<'_, '_>, _data: &mut T, old: &Painter<T>, )

Rebuild the view state, see top-level documentation for more information.

fn event( &mut self, _state: &mut <Painter<T> as View<T>>::State, _cx: &mut EventCx<'_, '_>, _data: &mut T, _event: &Event, ) -> bool

Handle an event, see top-level documentation for more information.

fn layout( &mut self, _state: &mut <Painter<T> as View<T>>::State, _cx: &mut LayoutCx<'_, '_>, _data: &mut T, space: Space, ) -> Size

Layout the view, see top-level documentation for more information.

fn draw( &mut self, _state: &mut <Painter<T> as View<T>>::State, cx: &mut DrawCx<'_, '_>, data: &mut T, )

Draw the view, see top-level documentation for more information.