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Preferences

Struct Preferences 

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pub struct Preferences { /* private fields */ }
Expand description

The shared preferences as one application sees them, from Family::preferences.

use qframe::i18n::I18n;
use qframe::storage::{Family, Source};

// An application calls `Family::QUVYTA.preferences("code", &i18n)`; the example keeps to a
// folder of its own.
let prefs = Family::QUVYTA.preferences_in(&folder, "code", &I18n::builtin());
let theme = prefs.theme();
assert_eq!((theme.value.as_str(), theme.source), ("monochrome", Source::Detected), "never detected");
assert!(folder.join("quvyta.conf").is_file(), "the first start writes the shared file");

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impl Preferences

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pub fn language(&self) -> &Resolved<String>

The locale code to speak.

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pub fn theme(&self) -> &Resolved<String>

The theme id to draw with.

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pub fn icons(&self) -> &Resolved<IconMode>

The icon mode to draw with.

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pub fn source(&self, key: Shared) -> Source

Where key came from.

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pub fn diagnostics(&self) -> &[Diagnostic]

Problems found on the way: a broken line in the shared file, a shared file that could not be written. Each is located where a file is to blame; the key it concerns fell back to the detected value. Problems in the application’s own file are reported by the application’s own Settings load and are not repeated here.

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pub fn apply<Msg: Send + 'static>(&self) -> Command<Msg>

Commands that switch the running application to the resolved language, theme and icons, for use after a change in update. At start give the preferences to Runtime::preferences instead, so the first frame is already drawn with them.

Trait Implementations§

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impl Clone for Preferences

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fn clone(&self) -> Preferences

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Preferences

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

Formats the value using the given formatter. Read more
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impl PartialEq for Preferences

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fn eq(&self, other: &Preferences) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for Preferences

Auto Trait Implementations§

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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<U> 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.