Struct gtk4::ConstraintGuide
source · #[repr(transparent)]pub struct ConstraintGuide { /* private fields */ }
Expand description
A ConstraintGuide
is an invisible layout element in a
ConstraintLayout
.
The ConstraintLayout
treats guides like widgets. They
can be used as the source or target of a Constraint
.
Guides have a minimum, maximum and natural size. Depending on the constraints that are applied, they can act like a guideline that widgets can be aligned to, or like flexible space.
Unlike a Widget
, a ConstraintGuide
will not be drawn.
Properties
max-height
The maximum height of the guide.
Readable | Writeable
max-width
The maximum width of the guide.
Readable | Writeable
min-height
The minimum height of the guide.
Readable | Writeable
min-width
The minimum width of the guide.
Readable | Writeable
name
A name that identifies the ConstraintGuide
, for debugging.
Readable | Writeable
nat-height
The preferred, or natural, height of the guide.
Readable | Writeable
nat-width
The preferred, or natural, width of the guide.
Readable | Writeable
strength
The ConstraintStrength
to be used for the constraint on
the natural size of the guide.
Readable | Writeable
Implements
Implementations§
source§impl ConstraintGuide
impl ConstraintGuide
sourcepub fn new() -> ConstraintGuide
pub fn new() -> ConstraintGuide
sourcepub fn builder() -> ConstraintGuideBuilder
pub fn builder() -> ConstraintGuideBuilder
Creates a new builder-pattern struct instance to construct ConstraintGuide
objects.
This method returns an instance of ConstraintGuideBuilder
which can be used to create ConstraintGuide
objects.
sourcepub fn strength(&self) -> ConstraintStrength
pub fn strength(&self) -> ConstraintStrength
Retrieves the strength set using gtk_constraint_guide_set_strength().
Returns
the strength of the constraint on the natural size
sourcepub fn set_max_size(&self, width: i32, height: i32)
pub fn set_max_size(&self, width: i32, height: i32)
Sets the maximum size of @self.
If @self is attached to a ConstraintLayout
,
the constraints will be updated to reflect the new size.
width
the new maximum width, or -1 to not change it
height
the new maximum height, or -1 to not change it
sourcepub fn set_min_size(&self, width: i32, height: i32)
pub fn set_min_size(&self, width: i32, height: i32)
Sets the minimum size of @self.
If @self is attached to a ConstraintLayout
,
the constraints will be updated to reflect the new size.
width
the new minimum width, or -1 to not change it
height
the new minimum height, or -1 to not change it
sourcepub fn set_name(&self, name: Option<&str>)
pub fn set_name(&self, name: Option<&str>)
Sets a name for the given ConstraintGuide
.
The name is useful for debugging purposes.
name
a name for the @self
sourcepub fn set_nat_size(&self, width: i32, height: i32)
pub fn set_nat_size(&self, width: i32, height: i32)
Sets the natural size of @self.
If @self is attached to a ConstraintLayout
,
the constraints will be updated to reflect the new size.
width
the new natural width, or -1 to not change it
height
the new natural height, or -1 to not change it
sourcepub fn set_strength(&self, strength: ConstraintStrength)
pub fn set_strength(&self, strength: ConstraintStrength)
Sets the strength of the constraint on the natural size of the
given ConstraintGuide
.
strength
the strength of the constraint
sourcepub fn max_height(&self) -> i32
pub fn max_height(&self) -> i32
The maximum height of the guide.
sourcepub fn set_max_height(&self, max_height: i32)
pub fn set_max_height(&self, max_height: i32)
The maximum height of the guide.
sourcepub fn set_max_width(&self, max_width: i32)
pub fn set_max_width(&self, max_width: i32)
The maximum width of the guide.
sourcepub fn min_height(&self) -> i32
pub fn min_height(&self) -> i32
The minimum height of the guide.
sourcepub fn set_min_height(&self, min_height: i32)
pub fn set_min_height(&self, min_height: i32)
The minimum height of the guide.
sourcepub fn set_min_width(&self, min_width: i32)
pub fn set_min_width(&self, min_width: i32)
The minimum width of the guide.
sourcepub fn nat_height(&self) -> i32
pub fn nat_height(&self) -> i32
The preferred, or natural, height of the guide.
sourcepub fn set_nat_height(&self, nat_height: i32)
pub fn set_nat_height(&self, nat_height: i32)
The preferred, or natural, height of the guide.
sourcepub fn set_nat_width(&self, nat_width: i32)
pub fn set_nat_width(&self, nat_width: i32)
The preferred, or natural, width of the guide.
pub fn connect_max_height_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_max_width_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_min_height_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_min_width_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_name_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_nat_height_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_nat_width_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_strength_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
Trait Implementations§
source§impl Clone for ConstraintGuide
impl Clone for ConstraintGuide
source§impl Debug for ConstraintGuide
impl Debug for ConstraintGuide
source§impl Default for ConstraintGuide
impl Default for ConstraintGuide
source§impl Display for ConstraintGuide
impl Display for ConstraintGuide
source§impl HasParamSpec for ConstraintGuide
impl HasParamSpec for ConstraintGuide
type ParamSpec = ParamSpecObject
§type SetValue = ConstraintGuide
type SetValue = ConstraintGuide
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, ConstraintGuide>
fn param_spec_builder() -> Self::BuilderFn
source§impl Hash for ConstraintGuide
impl Hash for ConstraintGuide
source§impl Ord for ConstraintGuide
impl Ord for ConstraintGuide
source§impl ParentClassIs for ConstraintGuide
impl ParentClassIs for ConstraintGuide
source§impl<OT: ObjectType> PartialEq<OT> for ConstraintGuide
impl<OT: ObjectType> PartialEq<OT> for ConstraintGuide
source§impl<OT: ObjectType> PartialOrd<OT> for ConstraintGuide
impl<OT: ObjectType> PartialOrd<OT> for ConstraintGuide
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self
and other
) and is used by the <=
operator. Read moresource§impl StaticType for ConstraintGuide
impl StaticType for ConstraintGuide
source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for ConstraintGuide
impl IsA<ConstraintTarget> for ConstraintGuide
Auto Trait Implementations§
impl RefUnwindSafe for ConstraintGuide
impl !Send for ConstraintGuide
impl !Sync for ConstraintGuide
impl Unpin for ConstraintGuide
impl UnwindSafe for ConstraintGuide
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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) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
notify
signal of the object. Read moresource§fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + 'static,
fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + 'static,
notify
signal of the object. Read moresource§unsafe fn connect_notify_unsafe<F>(
&self,
name: Option<&str>,
f: F
) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec),
unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F ) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec),
notify
signal of the object. Read more