Struct scl_gui_widgets::widgets::Slider
source · pub struct Slider { /* private fields */ }
Expand description
A slider, allowing interactive update of a numeric value.
This slider implements Widget<f64>
, and works on values clamped
in the range min..max
.
Implementations§
source§impl Slider
impl Slider
sourcepub fn with_range(self, min: f64, max: f64) -> Self
pub fn with_range(self, min: f64, max: f64) -> Self
Builder-style method to set the range covered by this slider.
The default range is 0.0..1.0
.
sourcepub fn with_step(self, step: f64) -> Self
pub fn with_step(self, step: f64) -> Self
Builder-style method to set the stepping.
The default step size is 0.0
(smooth).
sourcepub fn knob_style(self, knob_style: KnobStyle) -> Self
pub fn knob_style(self, knob_style: KnobStyle) -> Self
Builder-style method to set the knob style.
The default is Circle
.
sourcepub fn axis(self, axis: Axis) -> Self
pub fn axis(self, axis: Axis) -> Self
Builder-style method to the the axis on which the slider moves.
The default is Horizontal
.
sourcepub fn get_mapping(&self) -> SliderValueMapping
pub fn get_mapping(&self) -> SliderValueMapping
Returns the Mapping of this Slider.
Trait Implementations§
source§impl Widget<f64> for Slider
impl Widget<f64> for Slider
source§fn event(
&mut self,
ctx: &mut EventCtx<'_, '_>,
event: &Event,
data: &mut f64,
env: &Env
)
fn event( &mut self, ctx: &mut EventCtx<'_, '_>, event: &Event, data: &mut f64, env: &Env )
Handle an event. Read more
source§fn lifecycle(
&mut self,
ctx: &mut LifeCycleCtx<'_, '_>,
event: &LifeCycle,
_data: &f64,
_env: &Env
)
fn lifecycle( &mut self, ctx: &mut LifeCycleCtx<'_, '_>, event: &LifeCycle, _data: &f64, _env: &Env )
Handle a life cycle notification. Read more
source§fn update(
&mut self,
ctx: &mut UpdateCtx<'_, '_>,
_old_data: &f64,
_data: &f64,
_env: &Env
)
fn update( &mut self, ctx: &mut UpdateCtx<'_, '_>, _old_data: &f64, _data: &f64, _env: &Env )
source§fn layout(
&mut self,
ctx: &mut LayoutCtx<'_, '_>,
bc: &BoxConstraints,
_data: &f64,
env: &Env
) -> Size
fn layout( &mut self, ctx: &mut LayoutCtx<'_, '_>, bc: &BoxConstraints, _data: &f64, env: &Env ) -> Size
Compute layout. Read more
source§fn paint(&mut self, ctx: &mut PaintCtx<'_, '_, '_>, data: &f64, env: &Env)
fn paint(&mut self, ctx: &mut PaintCtx<'_, '_, '_>, data: &f64, env: &Env)
Paint the widget appearance. Read more
§fn compute_max_intrinsic(
&mut self,
axis: Axis,
ctx: &mut LayoutCtx<'_, '_>,
bc: &BoxConstraints,
data: &T,
env: &Env
) -> f64
fn compute_max_intrinsic( &mut self, axis: Axis, ctx: &mut LayoutCtx<'_, '_>, bc: &BoxConstraints, data: &T, env: &Env ) -> f64
Computes max intrinsic/preferred dimension of a widget on the provided axis. Read more
Auto Trait Implementations§
impl RefUnwindSafe for Slider
impl Send for Slider
impl Sync for Slider
impl Unpin for Slider
impl UnwindSafe for Slider
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
§impl<T> RoundFrom<T> for T
impl<T> RoundFrom<T> for T
§fn round_from(x: T) -> T
fn round_from(x: T) -> T
Performs the conversion.
§impl<T, U> RoundInto<U> for Twhere
U: RoundFrom<T>,
impl<T, U> RoundInto<U> for Twhere U: RoundFrom<T>,
§fn round_into(self) -> U
fn round_into(self) -> U
Performs the conversion.
§impl<T, W> TestWidgetExt<T> for Wwhere
T: Data,
W: Widget<T> + 'static,
impl<T, W> TestWidgetExt<T> for Wwhere T: Data, W: Widget<T> + 'static,
source§impl<T, W> WidgetExt<T> for Wwhere
T: Data,
W: Widget<T> + 'static,
impl<T, W> WidgetExt<T> for Wwhere T: Data, W: Widget<T> + 'static,
source§fn on_command<CT: 'static>(
self,
selector: Selector<CT>,
handler: impl Fn(&mut EventCtx<'_, '_>, &CT, &mut T) + 'static
) -> ControllerHost<Self, OnCmd<CT, T>>
fn on_command<CT: 'static>( self, selector: Selector<CT>, handler: impl Fn(&mut EventCtx<'_, '_>, &CT, &mut T) + 'static ) -> ControllerHost<Self, OnCmd<CT, T>>
用当该组件接收到指定的 [
druid::Command
] 时产生回调的控制器 crate::widgets::OnCmd
包裹当前组件source§fn on_notify<CT: 'static>(
self,
selector: Selector<CT>,
handler: impl Fn(&mut EventCtx<'_, '_>, &CT, &mut T) + 'static
) -> OnNotify<CT, T>
fn on_notify<CT: 'static>( self, selector: Selector<CT>, handler: impl Fn(&mut EventCtx<'_, '_>, &CT, &mut T) + 'static ) -> OnNotify<CT, T>
用当该组件接收到指定的 [
druid::Notification
] 时产生回调的控制器 crate::widgets::OnNotify
包裹当前组件§impl<T, W> WidgetExt<T> for Wwhere
T: Data,
W: Widget<T> + 'static,
impl<T, W> WidgetExt<T> for Wwhere T: Data, W: Widget<T> + 'static,
§fn align_left(self) -> Align<T>
fn align_left(self) -> Align<T>
Wrap this widget in an [
Align
] widget, configured to align left.§fn align_right(self) -> Align<T>
fn align_right(self) -> Align<T>
Wrap this widget in an [
Align
] widget, configured to align right.§fn align_vertical(self, align: UnitPoint) -> Align<T>
fn align_vertical(self, align: UnitPoint) -> Align<T>
Wrap this widget in an [
Align
] widget, configured to align vertically.§fn align_horizontal(self, align: UnitPoint) -> Align<T>
fn align_horizontal(self, align: UnitPoint) -> Align<T>
Wrap this widget in an [
Align
] widget, configured to align horizontally.§fn fix_width(self, width: impl Into<KeyOrValue<f64>>) -> SizedBox<T>
fn fix_width(self, width: impl Into<KeyOrValue<f64>>) -> SizedBox<T>
Wrap this widget in a [
SizedBox
] with an explicit width.§fn fix_height(self, height: impl Into<KeyOrValue<f64>>) -> SizedBox<T>
fn fix_height(self, height: impl Into<KeyOrValue<f64>>) -> SizedBox<T>
Wrap this widget in a [
SizedBox
] with an explicit height.§fn fix_size(
self,
width: impl Into<KeyOrValue<f64>>,
height: impl Into<KeyOrValue<f64>>
) -> SizedBox<T>
fn fix_size( self, width: impl Into<KeyOrValue<f64>>, height: impl Into<KeyOrValue<f64>> ) -> SizedBox<T>
Wrap this widget in an [
SizedBox
] with an explicit width and height§fn expand(self) -> SizedBox<T>
fn expand(self) -> SizedBox<T>
Wrap this widget in a [
SizedBox
] with an infinite width and height. Read more§fn expand_width(self) -> SizedBox<T>
fn expand_width(self) -> SizedBox<T>
Wrap this widget in a [
SizedBox
] with an infinite width. Read more§fn expand_height(self) -> SizedBox<T>
fn expand_height(self) -> SizedBox<T>
Wrap this widget in a [
SizedBox
] with an infinite width. Read more§fn background(self, brush: impl Into<BackgroundBrush<T>>) -> Container<T>
fn background(self, brush: impl Into<BackgroundBrush<T>>) -> Container<T>
§fn foreground(self, brush: impl Into<BackgroundBrush<T>>) -> Container<T>
fn foreground(self, brush: impl Into<BackgroundBrush<T>>) -> Container<T>
§fn border(
self,
color: impl Into<KeyOrValue<Color>>,
width: impl Into<KeyOrValue<f64>>
) -> Container<T>
fn border( self, color: impl Into<KeyOrValue<Color>>, width: impl Into<KeyOrValue<f64>> ) -> Container<T>
Wrap this widget in a [
Container
] with the given border. Read more§fn env_scope(self, f: impl Fn(&mut Env, &T) + 'static) -> EnvScope<T, Self>
fn env_scope(self, f: impl Fn(&mut Env, &T) + 'static) -> EnvScope<T, Self>
Wrap this widget in a [
EnvScope
] widget, modifying the parent
[Env
] with the provided closure.§fn controller<C>(self, controller: C) -> ControllerHost<Self, C>where
C: Controller<T, Self>,
fn controller<C>(self, controller: C) -> ControllerHost<Self, C>where C: Controller<T, Self>,
Wrap this widget with the provided [
Controller
].§fn on_added(
self,
f: impl Fn(&mut Self, &mut LifeCycleCtx<'_, '_>, &T, &Env) + 'static
) -> ControllerHost<Self, Added<T, Self>>
fn on_added( self, f: impl Fn(&mut Self, &mut LifeCycleCtx<'_, '_>, &T, &Env) + 'static ) -> ControllerHost<Self, Added<T, Self>>
Provide a closure that will be called when this widget is added to the widget tree. Read more
§fn on_click(
self,
f: impl Fn(&mut EventCtx<'_, '_>, &mut T, &Env) + 'static
) -> ControllerHost<Self, Click<T>>
fn on_click( self, f: impl Fn(&mut EventCtx<'_, '_>, &mut T, &Env) + 'static ) -> ControllerHost<Self, Click<T>>
Control the events of this widget with a [
Click
] widget. The closure
provided will be called when the widget is clicked with the left mouse
button. Read more§fn debug_paint_layout(self) -> EnvScope<T, Self>
fn debug_paint_layout(self) -> EnvScope<T, Self>
Draw the
layout
Rect
s of this widget and its children.§fn debug_widget_id(self) -> EnvScope<T, Self>
fn debug_widget_id(self) -> EnvScope<T, Self>
Display the
WidgetId
s for this widget and its children, when hot. Read more§fn debug_invalidation(self) -> DebugInvalidation<T, Self>
fn debug_invalidation(self) -> DebugInvalidation<T, Self>
Draw a color-changing rectangle over this widget, allowing you to see the
invalidation regions.
§fn debug_widget(self) -> EnvScope<T, Self>
fn debug_widget(self) -> EnvScope<T, Self>
Set the
DEBUG_WIDGET
env variable for this widget (and its descendants). Read more§fn lens<S, L>(self, lens: L) -> LensWrap<S, T, L, Self>where
S: Data,
L: Lens<S, T>,
fn lens<S, L>(self, lens: L) -> LensWrap<S, T, L, Self>where S: Data, L: Lens<S, T>,
Wrap this widget in a [
LensWrap
] widget for the provided [Lens
].