[−][src]Struct druid::widget::Stepper
A stepper widget for step-wise increasing and decreasing a value.
Implementations
impl Stepper
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pub fn new() -> Self
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Create a new Stepper
.
pub fn with_range(self, min: f64, max: f64) -> Self
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Set the range covered by this slider.
The default range is std::f64::MIN..std::f64::MAX
.
pub fn with_step(self, step: f64) -> Self
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Set the steppers amount by which the value increases or decreases.
The default step is 1.0
.
pub fn with_wraparound(self, wrap: bool) -> Self
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Set whether the stepper should wrap around the minimum/maximum values.
When wraparound is enabled incrementing above max behaves like this:
- if the previous value is < max it becomes max
- if the previous value is = max it becomes min Same logic applies for decrementing
The default is false
.
Trait Implementations
impl Default for Stepper
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impl Widget<f64> for Stepper
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pub fn paint(&mut self, ctx: &mut PaintCtx<'_, '_, '_>, _data: &f64, env: &Env)
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pub fn layout(
&mut self,
_layout_ctx: &mut LayoutCtx<'_, '_>,
bc: &BoxConstraints,
_data: &f64,
env: &Env
) -> Size
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&mut self,
_layout_ctx: &mut LayoutCtx<'_, '_>,
bc: &BoxConstraints,
_data: &f64,
env: &Env
) -> Size
pub fn event(
&mut self,
ctx: &mut EventCtx<'_, '_>,
event: &Event,
data: &mut f64,
env: &Env
)
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&mut self,
ctx: &mut EventCtx<'_, '_>,
event: &Event,
data: &mut f64,
env: &Env
)
pub fn lifecycle(
&mut self,
_ctx: &mut LifeCycleCtx<'_, '_>,
_event: &LifeCycle,
_data: &f64,
_env: &Env
)
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&mut self,
_ctx: &mut LifeCycleCtx<'_, '_>,
_event: &LifeCycle,
_data: &f64,
_env: &Env
)
pub fn update(
&mut self,
ctx: &mut UpdateCtx<'_, '_>,
old_data: &f64,
data: &f64,
_env: &Env
)
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&mut self,
ctx: &mut UpdateCtx<'_, '_>,
old_data: &f64,
data: &f64,
_env: &Env
)
Auto Trait Implementations
impl RefUnwindSafe for Stepper
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impl Send for Stepper
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impl Sync for Stepper
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impl Unpin for Stepper
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impl UnwindSafe for Stepper
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> RoundFrom<T> for T
pub fn round_from(x: T) -> T
impl<T, U> RoundInto<U> for T where
U: RoundFrom<T>,
U: RoundFrom<T>,
pub fn round_into(self) -> U
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,