pub struct Adjustment { /* private fields */ }
Expand description
Adjustment
is a model for a numeric value.
The Adjustment
has an associated lower and upper bound.
It also contains step and page increments, and a page size.
Adjustments are used within several GTK widgets, including
SpinButton
, Viewport
, Scrollbar
and Scale
.
The Adjustment
object does not update the value itself. Instead
it is left up to the owner of the Adjustment
to control the value.
§Properties
§lower
The minimum value of the adjustment.
Readable | Writeable
§page-increment
The page increment of the adjustment.
Readable | Writeable
§page-size
The page size of the adjustment.
Note that the page-size is irrelevant and should be set to zero
if the adjustment is used for a simple scalar value, e.g. in a
SpinButton
.
Readable | Writeable
§step-increment
The step increment of the adjustment.
Readable | Writeable
§upper
The maximum value of the adjustment.
Note that values will be restricted by upper - page-size
if the page-size
property is nonzero.
Readable | Writeable
§value
The value of the adjustment.
Readable | Writeable
§Signals
§changed
Emitted when one or more of the Adjustment
properties have been
changed.
Note that the value
property is
covered by the value-changed
signal.
§value-changed
Emitted when the value has been changed.
§Implements
AdjustmentExt
, [trait@glib::ObjectExt
]
GLib type: GObject with reference counted clone semantics.
Implementations§
Source§impl Adjustment
impl Adjustment
pub const NONE: Option<&'static Adjustment> = None
Sourcepub fn new(
value: f64,
lower: f64,
upper: f64,
step_increment: f64,
page_increment: f64,
page_size: f64,
) -> Adjustment
pub fn new( value: f64, lower: f64, upper: f64, step_increment: f64, page_increment: f64, page_size: f64, ) -> Adjustment
Creates a new Adjustment
.
§value
the initial value
§lower
the minimum value
§upper
the maximum value
§step_increment
the step increment
§page_increment
the page increment
§page_size
the page size
§Returns
a new Adjustment
Sourcepub fn builder() -> AdjustmentBuilder
pub fn builder() -> AdjustmentBuilder
Creates a new builder-pattern struct instance to construct Adjustment
objects.
This method returns an instance of AdjustmentBuilder
which can be used to create Adjustment
objects.
Trait Implementations§
Source§impl Clone for Adjustment
impl Clone for Adjustment
Source§impl Debug for Adjustment
impl Debug for Adjustment
Source§impl Default for Adjustment
impl Default for Adjustment
Source§impl HasParamSpec for Adjustment
impl HasParamSpec for Adjustment
type ParamSpec = ParamSpecObject
Source§type SetValue = Adjustment
type SetValue = Adjustment
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, Adjustment>
fn param_spec_builder() -> Self::BuilderFn
Source§impl Hash for Adjustment
impl Hash for Adjustment
Source§impl<T: AdjustmentImpl> IsSubclassable<T> for Adjustment
impl<T: AdjustmentImpl> IsSubclassable<T> for Adjustment
Source§fn class_init(class: &mut Class<Self>)
fn class_init(class: &mut Class<Self>)
Source§fn instance_init(instance: &mut InitializingObject<T>)
fn instance_init(instance: &mut InitializingObject<T>)
Source§impl Ord for Adjustment
impl Ord for Adjustment
Source§fn cmp(&self, other: &Self) -> Ordering
fn cmp(&self, other: &Self) -> Ordering
Comparison for two GObjects.
Compares the memory addresses of the provided objects.
1.21.0 · Source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Source§impl ParentClassIs for Adjustment
impl ParentClassIs for Adjustment
Source§impl<OT: ObjectType> PartialEq<OT> for Adjustment
impl<OT: ObjectType> PartialEq<OT> for Adjustment
Source§impl<OT: ObjectType> PartialOrd<OT> for Adjustment
impl<OT: ObjectType> PartialOrd<OT> for Adjustment
Source§impl StaticType for Adjustment
impl StaticType for Adjustment
Source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for Adjustment
Auto Trait Implementations§
impl Freeze for Adjustment
impl RefUnwindSafe for Adjustment
impl !Send for Adjustment
impl !Sync for Adjustment
impl Unpin for Adjustment
impl UnwindSafe for Adjustment
Blanket Implementations§
Source§impl<O> AdjustmentExt for Owhere
O: IsA<Adjustment>,
impl<O> AdjustmentExt for Owhere
O: IsA<Adjustment>,
Source§fn clamp_page(&self, lower: f64, upper: f64)
fn clamp_page(&self, lower: f64, upper: f64)
Source§fn configure(
&self,
value: f64,
lower: f64,
upper: f64,
step_increment: f64,
page_increment: f64,
page_size: f64,
)
fn configure( &self, value: f64, lower: f64, upper: f64, step_increment: f64, page_increment: f64, page_size: f64, )
Source§fn minimum_increment(&self) -> f64
fn minimum_increment(&self) -> f64
Source§fn page_increment(&self) -> f64
fn page_increment(&self) -> f64
Source§fn step_increment(&self) -> f64
fn step_increment(&self) -> f64
Source§fn set_page_increment(&self, page_increment: f64)
fn set_page_increment(&self, page_increment: f64)
Source§fn set_page_size(&self, page_size: f64)
fn set_page_size(&self, page_size: f64)
Source§fn set_step_increment(&self, step_increment: f64)
fn set_step_increment(&self, step_increment: f64)
Source§fn connect_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
fn connect_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
Adjustment
properties have been
changed. Read moreSource§fn connect_value_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
fn connect_value_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
fn connect_lower_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
fn connect_page_increment_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
fn connect_page_size_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
fn connect_step_increment_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
fn connect_upper_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
fn connect_value_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
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fn emit_by_name_with_values( &self, signal_name: &str, args: &[Value], ) -> Option<Value>
Source§fn emit_by_name_with_details<R>(
&self,
signal_name: &str,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_by_name_with_details<R>(
&self,
signal_name: &str,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
Source§fn emit_by_name_with_details_and_values(
&self,
signal_name: &str,
details: Quark,
args: &[Value],
) -> Option<Value>
fn emit_by_name_with_details_and_values( &self, signal_name: &str, details: Quark, args: &[Value], ) -> Option<Value>
Source§fn emit_with_details<R>(
&self,
signal_id: SignalId,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_with_details<R>(
&self,
signal_id: SignalId,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
Source§fn emit_with_details_and_values(
&self,
signal_id: SignalId,
details: Quark,
args: &[Value],
) -> Option<Value>
fn emit_with_details_and_values( &self, signal_id: SignalId, details: Quark, args: &[Value], ) -> Option<Value>
Source§fn disconnect(&self, handler_id: SignalHandlerId)
fn disconnect(&self, handler_id: SignalHandlerId)
Source§fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
notify
signal of the object. Read moreSource§fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
notify
signal of the object. Read moreSource§unsafe fn connect_notify_unsafe<F>(
&self,
name: Option<&str>,
f: F,
) -> SignalHandlerId
unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F, ) -> SignalHandlerId
notify
signal of the object. Read more