Struct FormBuffer

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pub struct FormBuffer<'b, W>where
    W: Eq + Hash + Clone,
{ /* private fields */ }

Expand description

Second stage of form rendering.

This can render the widgets that make up the form content.

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impl<'b, W> FormBuffer<'b, W>
where W: Eq + Hash + Clone,

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pub fn is_visible(&self, widget: W) -> bool

Is the given area visible?

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pub fn render_label<FN>(&mut self, widget: W, render_fn: FN) -> bool
where FN: FnOnce(&Cow<'static, str>, Rect, &mut Buffer),

Render a manual label.

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pub fn render_widget<FN, WW>(&mut self, widget: W, render_fn: FN) -> bool
where FN: FnOnce() -> WW, WW: Widget,

Render a stateless widget and its label, if any.

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pub fn render_opt<FN, WW, SS>( &mut self, widget: W, render_fn: FN, state: &mut SS, ) -> bool
where FN: FnOnce() -> Option<WW>, WW: StatefulWidget<State = SS>, SS: RelocatableState,

Render an optional stateful widget and its label, if any.

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pub fn render<FN, WW, SS>( &mut self, widget: W, render_fn: FN, state: &mut SS, ) -> bool
where FN: FnOnce() -> WW, WW: StatefulWidget<State = SS>, SS: RelocatableState,

Render a stateful widget and its label, if any.

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pub fn render2<FN, WW, SS, R>( &mut self, widget: W, render_fn: FN, state: &mut SS, ) -> Option<R>
where FN: FnOnce() -> (WW, R), WW: StatefulWidget<State = SS>, SS: RelocatableState,

Render a stateful widget and its label, if any. The closure can return a second value, which will be returned if the widget is visible.

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pub fn buffer(&mut self) -> &mut Buffer

Get access to the buffer during rendering a page.

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pub fn locate_widget(&self, widget: W) -> Option<Rect>

Get the area for the given widget.

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pub fn locate_label(&self, widget: W) -> Option<Rect>

Get the area for the label of the given widget.

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pub fn locate_area(&self, area: Rect) -> Option<Rect>

This will clip the area to the page_area.

Trait Implementations§

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impl<'b, W> Debug for FormBuffer<'b, W>
where W: Eq + Hash + Clone + Debug,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'b, W> !UnwindSafe for FormBuffer<'b, W>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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impl<T, U> TryFrom for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.

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fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T
where U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

FormBuffer

Struct FormBuffer Copy item path

Implementations§

impl<'b, W> FormBuffer<'b, W>where W: Eq + Hash + Clone,

pub fn is_visible(&self, widget: W) -> bool

pub fn render_label<FN>(&mut self, widget: W, render_fn: FN) -> boolwhere FN: FnOnce(&Cow<'static, str>, Rect, &mut Buffer),

pub fn render_widget<FN, WW>(&mut self, widget: W, render_fn: FN) -> boolwhere FN: FnOnce() -> WW, WW: Widget,

pub fn render_opt<FN, WW, SS>( &mut self, widget: W, render_fn: FN, state: &mut SS, ) -> boolwhere FN: FnOnce() -> Option<WW>, WW: StatefulWidget<State = SS>, SS: RelocatableState,

pub fn render<FN, WW, SS>( &mut self, widget: W, render_fn: FN, state: &mut SS, ) -> boolwhere FN: FnOnce() -> WW, WW: StatefulWidget<State = SS>, SS: RelocatableState,

pub fn render2<FN, WW, SS, R>( &mut self, widget: W, render_fn: FN, state: &mut SS, ) -> Option<R>where FN: FnOnce() -> (WW, R), WW: StatefulWidget<State = SS>, SS: RelocatableState,

pub fn buffer(&mut self) -> &mut Buffer

pub fn locate_widget(&self, widget: W) -> Option<Rect>

pub fn locate_label(&self, widget: W) -> Option<Rect>

pub fn locate_area(&self, area: Rect) -> Option<Rect>

Trait Implementations§

impl<'b, W> Debug for FormBuffer<'b, W>where W: Eq + Hash + Clone + Debug,

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Auto Trait Implementations§

impl<'b, W> Freeze for FormBuffer<'b, W>

impl<'b, W> RefUnwindSafe for FormBuffer<'b, W>where W: RefUnwindSafe,

impl<'b, W> !Send for FormBuffer<'b, W>

impl<'b, W> !Sync for FormBuffer<'b, W>

impl<'b, W> Unpin for FormBuffer<'b, W>

impl<'b, W> !UnwindSafe for FormBuffer<'b, W>

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>where F: FnOnce(&Self) -> bool,

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Struct FormBuffer

impl<'b, W> FormBuffer<'b, W>
where W: Eq + Hash + Clone,

pub fn render_label<FN>(&mut self, widget: W, render_fn: FN) -> bool
where FN: FnOnce(&Cow<'static, str>, Rect, &mut Buffer),

pub fn render_widget<FN, WW>(&mut self, widget: W, render_fn: FN) -> bool
where FN: FnOnce() -> WW, WW: Widget,

pub fn render_opt<FN, WW, SS>( &mut self, widget: W, render_fn: FN, state: &mut SS, ) -> bool
where FN: FnOnce() -> Option<WW>, WW: StatefulWidget<State = SS>, SS: RelocatableState,

pub fn render<FN, WW, SS>( &mut self, widget: W, render_fn: FN, state: &mut SS, ) -> bool
where FN: FnOnce() -> WW, WW: StatefulWidget<State = SS>, SS: RelocatableState,

pub fn render2<FN, WW, SS, R>( &mut self, widget: W, render_fn: FN, state: &mut SS, ) -> Option<R>
where FN: FnOnce() -> (WW, R), WW: StatefulWidget<State = SS>, SS: RelocatableState,

impl<'b, W> Debug for FormBuffer<'b, W>
where W: Eq + Hash + Clone + Debug,

impl<'b, W> RefUnwindSafe for FormBuffer<'b, W>
where W: RefUnwindSafe,

impl<T> Any for T
where T: 'static + ?Sized,

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

impl<T, U> Into<U> for T
where U: From<T>,

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

impl<T, U> TryFrom<U> for T
where U: Into<T>,

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,