Struct masonry::testing::ModularWidget

pub struct ModularWidget<S> { /* private fields */ }

A widget that can be constructed from individual functions, builder-style.

This widget is generic over its state, which is passed in at construction time.

Implementations

impl<S> ModularWidget<S>

pub fn new(state: S) -> Self

pub fn pointer_event_fn( self, f: impl FnMut(&mut S, &mut EventCtx<'_>, &PointerEvent) + 'static ) -> Self

pub fn text_event_fn( self, f: impl FnMut(&mut S, &mut EventCtx<'_>, &TextEvent) + 'static ) -> Self

pub fn access_event_fn( self, f: impl FnMut(&mut S, &mut EventCtx<'_>, &AccessEvent) + 'static ) -> Self

pub fn status_change_fn( self, f: impl FnMut(&mut S, &mut LifeCycleCtx<'_>, &StatusChange) + 'static ) -> Self

pub fn lifecycle_fn( self, f: impl FnMut(&mut S, &mut LifeCycleCtx<'_>, &LifeCycle) + 'static ) -> Self

pub fn layout_fn( self, f: impl FnMut(&mut S, &mut LayoutCtx<'_>, &BoxConstraints) -> Size + 'static ) -> Self

pub fn paint_fn( self, f: impl FnMut(&mut S, &mut PaintCtx<'_>, &mut Scene) + 'static ) -> Self

pub fn role_fn(self, f: impl Fn(&S) -> Role + 'static) -> Self

pub fn access_fn( self, f: impl FnMut(&mut S, &mut AccessCtx<'_>) + 'static ) -> Self

pub fn children_fn( self, children: impl Fn(&S) -> SmallVec<[WidgetRef<'_, dyn Widget>; 16]> + 'static ) -> Self

Trait Implementations

impl<S: 'static> Widget for ModularWidget<S>

fn on_pointer_event(&mut self, ctx: &mut EventCtx<'_>, event: &PointerEvent)

Handle an event - usually user interaction.

fn on_text_event(&mut self, ctx: &mut EventCtx<'_>, event: &TextEvent)

fn on_access_event(&mut self, ctx: &mut EventCtx<'_>, event: &AccessEvent)

Handle an event from the platform’s accessibility API.

fn on_status_change(&mut self, ctx: &mut LifeCycleCtx<'_>, event: &StatusChange)

fn lifecycle(&mut self, ctx: &mut LifeCycleCtx<'_>, event: &LifeCycle)

Handle a lifecycle notification.

fn layout(&mut self, ctx: &mut LayoutCtx<'_>, bc: &BoxConstraints) -> Size

Compute layout.

fn accessibility_role(&self) -> Role

fn accessibility(&mut self, ctx: &mut AccessCtx<'_>)

fn paint(&mut self, ctx: &mut PaintCtx<'_>, scene: &mut Scene)

Paint the widget appearance.

fn children(&self) -> SmallVec<[WidgetRef<'_, dyn Widget>; 16]>

Return references to this widget’s children.

fn make_trace_span(&self) -> Span

Return a span for tracing.

fn get_debug_text(&self) -> Option<String>

Return a small string representing important info about this widget instance.

fn get_child_at_pos(&self, pos: Point) -> Option<WidgetRef<'_, dyn Widget>>

Return which child, if any, has the given pos in its layout rect.