libadwaita

Struct Clamp

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

A widget constraining its child to a given size.

clamp-wide clamp-narrow

The Clamp widget constrains the size of the widget it contains to a given maximum size. It will constrain the width if it is horizontal, or the height if it is vertical. The expansion of the child from its minimum to its maximum size is eased out for a smooth transition.

If the child requires more than the requested maximum size, it will be allocated the minimum size it can fit in instead.

Clamp can scale with the text scale factor, use the unit property to enable that behavior.

See also: ClampLayout, ClampScrollable.

§CSS nodes

Clamp has a single CSS node with name clamp.

§Properties

§child

The child widget of the Clamp.

Readable | Writeable

§maximum-size

The maximum size allocated to the child.

It is the width if the clamp is horizontal, or the height if it is vertical.

Readable | Writeable

§tightening-threshold

The size above which the child is clamped.

Starting from this size, the clamp will tighten its grip on the child, slowly allocating less and less of the available size up to the maximum allocated size. Below that threshold and below the maximum size, the child will be allocated all the available size.

If the threshold is greater than the maximum size to allocate to the child, the child will be allocated all the size up to the maximum. If the threshold is lower than the minimum size to allocate to the child, that size will be used as the tightening threshold.

Effectively, tightening the grip on the child before it reaches its maximum size makes transitions to and from the maximum size smoother when resizing.

Readable | Writeable

§unit

The length unit for maximum size and tightening threshold.

Allows the sizes to vary depending on the text scale factor.

Readable | Writeable

Widget

§can-focus

Whether the widget or any of its descendents can accept the input focus.

This property is meant to be set by widget implementations, typically in their instance init function.

Readable | Writeable

§can-target

Whether the widget can receive pointer events.

Readable | Writeable

§css-classes

A list of css classes applied to this widget.

Readable | Writeable

§css-name

The name of this widget in the CSS tree.

This property is meant to be set by widget implementations, typically in their instance init function.

Readable | Writeable | Construct Only

§cursor

The cursor used by @widget.

Readable | Writeable

§focus-on-click

Whether the widget should grab focus when it is clicked with the mouse.

This property is only relevant for widgets that can take focus.

Readable | Writeable

§focusable

Whether this widget itself will accept the input focus.

Readable | Writeable

§halign

How to distribute horizontal space if widget gets extra space.

Readable | Writeable

§has-default

Whether the widget is the default widget.

Readable

§has-focus

Whether the widget has the input focus.

Readable

§has-tooltip

Enables or disables the emission of the ::query-tooltip signal on @widget.

A value of true indicates that @widget can have a tooltip, in this case the widget will be queried using query-tooltip to determine whether it will provide a tooltip or not.

Readable | Writeable

§height-request

Override for height request of the widget.

If this is -1, the natural request will be used.

Readable | Writeable

§hexpand

Whether to expand horizontally.

Readable | Writeable

§hexpand-set

Whether to use the hexpand property.

Readable | Writeable

§layout-manager

The gtk::LayoutManager instance to use to compute the preferred size of the widget, and allocate its children.

This property is meant to be set by widget implementations, typically in their instance init function.

Readable | Writeable

§margin-bottom

Margin on bottom side of widget.

This property adds margin outside of the widget’s normal size request, the margin will be added in addition to the size from [WidgetExtManual::set_size_request()][crate::gtk::prelude::WidgetExtManual::set_size_request()] for example.

Readable | Writeable

§margin-end

Margin on end of widget, horizontally.

This property supports left-to-right and right-to-left text directions.

This property adds margin outside of the widget’s normal size request, the margin will be added in addition to the size from [WidgetExtManual::set_size_request()][crate::gtk::prelude::WidgetExtManual::set_size_request()] for example.

Readable | Writeable

§margin-start

Margin on start of widget, horizontally.

This property supports left-to-right and right-to-left text directions.

This property adds margin outside of the widget’s normal size request, the margin will be added in addition to the size from [WidgetExtManual::set_size_request()][crate::gtk::prelude::WidgetExtManual::set_size_request()] for example.

Readable | Writeable

§margin-top

Margin on top side of widget.

This property adds margin outside of the widget’s normal size request, the margin will be added in addition to the size from [WidgetExtManual::set_size_request()][crate::gtk::prelude::WidgetExtManual::set_size_request()] for example.

Readable | Writeable

§name

The name of the widget.

Readable | Writeable

§opacity

The requested opacity of the widget.

Readable | Writeable

§overflow

How content outside the widget’s content area is treated.

This property is meant to be set by widget implementations, typically in their instance init function.

Readable | Writeable

§parent

The parent widget of this widget.

Readable

§receives-default

Whether the widget will receive the default action when it is focused.

Readable | Writeable

§root

The gtk::Root widget of the widget tree containing this widget.

This will be None if the widget is not contained in a root widget.

Readable

§scale-factor

The scale factor of the widget.

Readable

§sensitive

Whether the widget responds to input.

Readable | Writeable

§tooltip-markup

Sets the text of tooltip to be the given string, which is marked up with Pango markup.

Also see Gtk::Tooltip::set_markup().

This is a convenience property which will take care of getting the tooltip shown if the given string is not None: has-tooltip will automatically be set to true and there will be taken care of query-tooltip in the default signal handler.

Note that if both tooltip-text and tooltip-markup are set, the last one wins.

Readable | Writeable

§tooltip-text

Sets the text of tooltip to be the given string.

Also see Gtk::Tooltip::set_text().

This is a convenience property which will take care of getting the tooltip shown if the given string is not None: has-tooltip will automatically be set to true and there will be taken care of query-tooltip in the default signal handler.

Note that if both tooltip-text and tooltip-markup are set, the last one wins.

Readable | Writeable

§valign

How to distribute vertical space if widget gets extra space.

Readable | Writeable

§vexpand

Whether to expand vertically.

Readable | Writeable

§vexpand-set

Whether to use the vexpand property.

Readable | Writeable

§visible

Whether the widget is visible.

Readable | Writeable

§width-request

Override for width request of the widget.

If this is -1, the natural request will be used.

Readable | Writeable

Accessible

§accessible-role

The accessible role of the given gtk::Accessible implementation.

The accessible role cannot be changed once set.

Readable | Writeable

Orientable

§orientation

The orientation of the orientable.

Readable | Writeable

§Implements

gtk::prelude::WidgetExt, [trait@glib::ObjectExt], gtk::prelude::AccessibleExt, gtk::prelude::BuildableExt, gtk::prelude::ConstraintTargetExt, gtk::prelude::OrientableExt

GLib type: GObject with reference counted clone semantics.

Implementations§

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impl Clamp

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pub fn new() -> Clamp

Creates a new Clamp.

§Returns

the newly created Clamp

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pub fn builder() -> ClampBuilder

Creates a new builder-pattern struct instance to construct Clamp objects.

This method returns an instance of ClampBuilder which can be used to create Clamp objects.

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pub fn child(&self) -> Option<Widget>

Gets the child widget of @self.

§Returns

the child widget of @self

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pub fn maximum_size(&self) -> i32

Gets the maximum size allocated to the child.

§Returns

the maximum size to allocate to the child

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pub fn tightening_threshold(&self) -> i32

Gets the size above which the child is clamped.

§Returns

the size above which the child is clamped

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pub fn unit(&self) -> LengthUnit

Available on crate feature v1_4 only.

Gets the length unit for maximum size and tightening threshold.

§Returns

the length unit

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pub fn set_child(&self, child: Option<&impl IsA<Widget>>)

Sets the child widget of @self.

§child

the child widget

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pub fn set_maximum_size(&self, maximum_size: i32)

Sets the maximum size allocated to the child.

It is the width if the clamp is horizontal, or the height if it is vertical.

§maximum_size

the maximum size

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pub fn set_tightening_threshold(&self, tightening_threshold: i32)

Sets the size above which the child is clamped.

Starting from this size, the clamp will tighten its grip on the child, slowly allocating less and less of the available size up to the maximum allocated size. Below that threshold and below the maximum size, the child will be allocated all the available size.

If the threshold is greater than the maximum size to allocate to the child, the child will be allocated all the size up to the maximum. If the threshold is lower than the minimum size to allocate to the child, that size will be used as the tightening threshold.

Effectively, tightening the grip on the child before it reaches its maximum size makes transitions to and from the maximum size smoother when resizing.

§tightening_threshold

the tightening threshold

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pub fn set_unit(&self, unit: LengthUnit)

Available on crate feature v1_4 only.

Sets the length unit for maximum size and tightening threshold.

Allows the sizes to vary depending on the text scale factor.

§unit

the length unit

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pub fn connect_child_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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pub fn connect_maximum_size_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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pub fn connect_tightening_threshold_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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pub fn connect_unit_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Available on crate feature v1_4 only.

Trait Implementations§

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impl Clone for Clamp

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fn clone(&self) -> Self

Makes a clone of this shared reference.

This increments the strong reference count of the object. Dropping the object will decrement it again.

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

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

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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 Default for Clamp

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl HasParamSpec for Clamp

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type ParamSpec = ParamSpecObject

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type SetValue = Clamp

Preferred value to be used as setter for the associated ParamSpec.
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type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, Clamp>

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fn param_spec_builder() -> Self::BuilderFn

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impl Hash for Clamp

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fn hash<H>(&self, state: &mut H)
where H: Hasher,

Hashes the memory address of this object.

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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for Clamp

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fn cmp(&self, other: &Self) -> Ordering

Comparison for two GObjects.

Compares the memory addresses of the provided objects.

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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl ParentClassIs for Clamp

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impl<OT: ObjectType> PartialEq<OT> for Clamp

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

Equality for two GObjects.

Two GObjects are equal if their memory addresses are equal.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<OT: ObjectType> PartialOrd<OT> for Clamp

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fn partial_cmp(&self, other: &OT) -> Option<Ordering>

Partial comparison for two GObjects.

Compares the memory addresses of the provided objects.

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

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl StaticType for Clamp

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Eq for Clamp

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impl IsA<Accessible> for Clamp

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impl IsA<Buildable> for Clamp

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impl IsA<ConstraintTarget> for Clamp

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impl IsA<Orientable> for Clamp

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impl IsA<Widget> for Clamp

Auto Trait Implementations§

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impl Freeze for Clamp

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impl RefUnwindSafe for Clamp

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impl !Send for Clamp

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impl !Sync for Clamp

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impl Unpin for Clamp

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impl UnwindSafe for Clamp

Blanket Implementations§

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impl<O> AccessibleExt for O
where O: IsA<Accessible>,

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impl<O> AccessibleExtManual for O
where O: IsA<Accessible>,

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fn update_property(&self, properties: &[Property<'_>])

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fn update_relation(&self, relations: &[Relation<'_>])

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fn update_state(&self, states: &[State])

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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<O> BuildableExt for O
where O: IsA<Buildable>,

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impl<T> Cast for T
where T: ObjectType,

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fn upcast<T>(self) -> T
where T: ObjectType, Self: IsA<T>,

Upcasts an object to a superclass or interface T. Read more
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fn upcast_ref<T>(&self) -> &T
where T: ObjectType, Self: IsA<T>,

Upcasts an object to a reference of its superclass or interface T. Read more
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fn downcast<T>(self) -> Result<T, Self>
where T: ObjectType, Self: MayDowncastTo<T>,

Tries to downcast to a subclass or interface implementor T. Read more
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fn downcast_ref<T>(&self) -> Option<&T>
where T: ObjectType, Self: MayDowncastTo<T>,

Tries to downcast to a reference of its subclass or interface implementor T. Read more
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fn dynamic_cast<T>(self) -> Result<T, Self>
where T: ObjectType,

Tries to cast to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while upcast will do many checks at compile-time already. downcast will perform the same checks at runtime as dynamic_cast, but will also ensure some amount of compile-time safety. Read more
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fn dynamic_cast_ref<T>(&self) -> Option<&T>
where T: ObjectType,

Tries to cast to reference to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while downcast and upcast will do many checks at compile-time already. Read more
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unsafe fn unsafe_cast<T>(self) -> T
where T: ObjectType,

Casts to T unconditionally. Read more
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unsafe fn unsafe_cast_ref<T>(&self) -> &T
where T: ObjectType,

Casts to &T unconditionally. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *const GList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(_: *const GList, _: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(_: *const GList, _: usize) -> Vec<T>

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *const GPtrArray, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec( _: *const GPtrArray, _: usize, ) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(_: *const GPtrArray, _: usize) -> Vec<T>

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *const GSList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(_: *const GSList, _: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(_: *const GSList, _: usize) -> Vec<T>

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *mut GPtrArray, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec( ptr: *mut GPtrArray, num: usize, ) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(ptr: *mut GPtrArray, num: usize) -> Vec<T>

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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unsafe fn from_glib_none_as_vec(ptr: *const GList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(_: *const GList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(_: *const GList) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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unsafe fn from_glib_none_as_vec(ptr: *const GPtrArray) -> Vec<T>

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unsafe fn from_glib_container_as_vec(_: *const GPtrArray) -> Vec<T>

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unsafe fn from_glib_full_as_vec(_: *const GPtrArray) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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unsafe fn from_glib_none_as_vec(ptr: *const GSList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(_: *const GSList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(_: *const GSList) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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unsafe fn from_glib_none_as_vec(ptr: *mut GList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(ptr: *mut GList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(ptr: *mut GList) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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unsafe fn from_glib_none_as_vec(ptr: *mut GPtrArray) -> Vec<T>

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unsafe fn from_glib_container_as_vec(ptr: *mut GPtrArray) -> Vec<T>

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unsafe fn from_glib_full_as_vec(ptr: *mut GPtrArray) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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unsafe fn from_glib_none_as_vec(ptr: *mut GSList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(ptr: *mut GSList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(ptr: *mut GSList) -> Vec<T>

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impl<O> GObjectPropertyExpressionExt for O
where O: IsA<Object>,

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fn property_expression(&self, property_name: &str) -> PropertyExpression

Create an expression looking up an object’s property.
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fn property_expression_weak(&self, property_name: &str) -> PropertyExpression

Create an expression looking up an object’s property with a weak reference.
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fn this_expression(property_name: &str) -> PropertyExpression

Create an expression looking up a property in the bound this object.
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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> IntoClosureReturnValue for T
where T: Into<Value>,

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impl<U> IsSubclassableExt for U

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impl<T> ObjectExt for T
where T: ObjectType,

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fn is<U>(&self) -> bool
where U: StaticType,

Returns true if the object is an instance of (can be cast to) T.
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fn type_(&self) -> Type

Returns the type of the object.
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fn object_class(&self) -> &Class<Object>

Returns the ObjectClass of the object. Read more
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fn class(&self) -> &Class<T>
where T: IsClass,

Returns the class of the object.
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fn class_of<U>(&self) -> Option<&Class<U>>
where U: IsClass,

Returns the class of the object in the given type T. Read more
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fn interface<U>(&self) -> Option<InterfaceRef<'_, U>>
where U: IsInterface,

Returns the interface T of the object. Read more
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fn set_property(&self, property_name: &str, value: impl Into<Value>)

Sets the property property_name of the object to value value. Read more
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fn set_property_from_value(&self, property_name: &str, value: &Value)

Sets the property property_name of the object to value value. Read more
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fn set_properties(&self, property_values: &[(&str, &dyn ToValue)])

Sets multiple properties of the object at once. Read more
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fn set_properties_from_value(&self, property_values: &[(&str, Value)])

Sets multiple properties of the object at once. Read more
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fn property<V>(&self, property_name: &str) -> V
where V: for<'b> FromValue<'b> + 'static,

Gets the property property_name of the object and cast it to the type V. Read more
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fn property_value(&self, property_name: &str) -> Value

Gets the property property_name of the object. Read more
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fn has_property(&self, property_name: &str, type_: Option<Type>) -> bool

Check if the object has a property property_name of the given type_. Read more
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fn property_type(&self, property_name: &str) -> Option<Type>

Get the type of the property property_name of this object. Read more
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fn find_property(&self, property_name: &str) -> Option<ParamSpec>

Get the ParamSpec of the property property_name of this object.
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fn list_properties(&self) -> PtrSlice<ParamSpec>

Return all ParamSpec of the properties of this object.
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fn freeze_notify(&self) -> PropertyNotificationFreezeGuard

Freeze all property notifications until the return guard object is dropped. Read more
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unsafe fn set_qdata<QD>(&self, key: Quark, value: QD)
where QD: 'static,

Set arbitrary data on this object with the given key. Read more
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unsafe fn qdata<QD>(&self, key: Quark) -> Option<NonNull<QD>>
where QD: 'static,

Return previously set arbitrary data of this object with the given key. Read more
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unsafe fn steal_qdata<QD>(&self, key: Quark) -> Option<QD>
where QD: 'static,

Retrieve previously set arbitrary data of this object with the given key. Read more
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unsafe fn set_data<QD>(&self, key: &str, value: QD)
where QD: 'static,

Set arbitrary data on this object with the given key. Read more
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unsafe fn data<QD>(&self, key: &str) -> Option<NonNull<QD>>
where QD: 'static,

Return previously set arbitrary data of this object with the given key. Read more
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unsafe fn steal_data<QD>(&self, key: &str) -> Option<QD>
where QD: 'static,

Retrieve previously set arbitrary data of this object with the given key. Read more
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fn block_signal(&self, handler_id: &SignalHandlerId)

Block a given signal handler. Read more
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fn unblock_signal(&self, handler_id: &SignalHandlerId)

Unblock a given signal handler.
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fn stop_signal_emission(&self, signal_id: SignalId, detail: Option<Quark>)

Stop emission of the currently emitted signal.
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fn stop_signal_emission_by_name(&self, signal_name: &str)

Stop emission of the currently emitted signal by the (possibly detailed) signal name.
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fn connect<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,

Connect to the signal signal_name on this object. Read more
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fn connect_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,

Connect to the signal signal_id on this object. Read more
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fn connect_local<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + 'static,

Connect to the signal signal_name on this object. Read more
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fn connect_local_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + 'static,

Connect to the signal signal_id on this object. Read more
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unsafe fn connect_unsafe<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value>,

Connect to the signal signal_name on this object. Read more
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unsafe fn connect_unsafe_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value>,

Connect to the signal signal_id on this object. Read more
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fn connect_closure( &self, signal_name: &str, after: bool, closure: RustClosure, ) -> SignalHandlerId

Connect a closure to the signal signal_name on this object. Read more
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fn connect_closure_id( &self, signal_id: SignalId, details: Option<Quark>, after: bool, closure: RustClosure, ) -> SignalHandlerId

Connect a closure to the signal signal_id on this object. Read more
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fn watch_closure(&self, closure: &impl AsRef<Closure>)

Limits the lifetime of closure to the lifetime of the object. When the object’s reference count drops to zero, the closure will be invalidated. An invalidated closure will ignore any calls to invoke_with_values, or invoke when using Rust closures.
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fn emit<R>(&self, signal_id: SignalId, args: &[&dyn ToValue]) -> R

Emit signal by signal id. Read more
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fn emit_with_values(&self, signal_id: SignalId, args: &[Value]) -> Option<Value>

Same as Self::emit but takes Value for the arguments.
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fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> R

Emit signal by its name. Read more
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fn emit_by_name_with_values( &self, signal_name: &str, args: &[Value], ) -> Option<Value>

Emit signal by its name. Read more
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fn emit_by_name_with_details<R>( &self, signal_name: &str, details: Quark, args: &[&dyn ToValue], ) -> R

Emit signal by its name with details. Read more
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fn emit_by_name_with_details_and_values( &self, signal_name: &str, details: Quark, args: &[Value], ) -> Option<Value>

Emit signal by its name with details. Read more
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fn emit_with_details<R>( &self, signal_id: SignalId, details: Quark, args: &[&dyn ToValue], ) -> R

Emit signal by signal id with details. Read more
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fn emit_with_details_and_values( &self, signal_id: SignalId, details: Quark, args: &[Value], ) -> Option<Value>

Emit signal by signal id with details. Read more
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fn disconnect(&self, handler_id: SignalHandlerId)

Disconnect a previously connected signal handler.
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fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
where F: Fn(&T, &ParamSpec) + Send + Sync + 'static,

Connect to the notify signal of the object. Read more
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fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
where F: Fn(&T, &ParamSpec) + 'static,

Connect to the notify signal of the object. Read more
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unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F, ) -> SignalHandlerId
where F: Fn(&T, &ParamSpec),

Connect to the notify signal of the object. Read more
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fn notify(&self, property_name: &str)

Notify that the given property has changed its value. Read more
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fn notify_by_pspec(&self, pspec: &ParamSpec)

Notify that the given property has changed its value. Read more
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fn downgrade(&self) -> WeakRef<T>

Downgrade this object to a weak reference.
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fn add_weak_ref_notify<F>(&self, f: F) -> WeakRefNotify<T>
where F: FnOnce() + Send + 'static,

Add a callback to be notified when the Object is disposed.
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fn add_weak_ref_notify_local<F>(&self, f: F) -> WeakRefNotify<T>
where F: FnOnce() + 'static,

Add a callback to be notified when the Object is disposed. Read more
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fn bind_property<'a, 'f, 't, O>( &'a self, source_property: &'a str, target: &'a O, target_property: &'a str, ) -> BindingBuilder<'a, 'f, 't>
where O: ObjectType,

Bind property source_property on this object to the target_property on the target object. Read more
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fn ref_count(&self) -> u32

Returns the strong reference count of this object.
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unsafe fn run_dispose(&self)

Runs the dispose mechanism of the object. Read more
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impl<O> OrientableExt for O
where O: IsA<Orientable>,

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fn orientation(&self) -> Orientation

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fn set_orientation(&self, orientation: Orientation)

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fn connect_orientation_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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impl<T> Property for T
where T: HasParamSpec,

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type Value = T

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impl<T> PropertyGet for T
where T: HasParamSpec,

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type Value = T

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fn get<R, F>(&self, f: F) -> R
where F: Fn(&<T as PropertyGet>::Value) -> R,

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impl<T> StaticTypeExt for T
where T: StaticType,

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fn ensure_type()

Ensures that the type has been registered with the type system.
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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> TransparentType for T

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impl<T, U> TryFrom<U> 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<U>>::Error>

Performs the conversion.
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impl<T> TryFromClosureReturnValue for T
where T: for<'a> FromValue<'a> + StaticType + 'static,

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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.
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impl<O> WidgetExt for O
where O: IsA<Widget>,

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fn action_set_enabled(&self, action_name: &str, enabled: bool)

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fn activate(&self) -> bool

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fn activate_action( &self, name: &str, args: Option<&Variant>, ) -> Result<(), BoolError>

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fn activate_default(&self)

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fn add_controller(&self, controller: impl IsA<EventController>)

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fn add_css_class(&self, css_class: &str)

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fn add_mnemonic_label(&self, label: &impl IsA<Widget>)

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fn allocate( &self, width: i32, height: i32, baseline: i32, transform: Option<Transform>, )

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fn child_focus(&self, direction: DirectionType) -> bool

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fn compute_bounds(&self, target: &impl IsA<Widget>) -> Option<Rect>

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fn compute_expand(&self, orientation: Orientation) -> bool

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fn compute_point( &self, target: &impl IsA<Widget>, point: &Point, ) -> Option<Point>

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fn compute_transform(&self, target: &impl IsA<Widget>) -> Option<Matrix>

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fn contains(&self, x: f64, y: f64) -> bool

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fn create_pango_context(&self) -> Context

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fn create_pango_layout(&self, text: Option<&str>) -> Layout

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fn drag_check_threshold( &self, start_x: i32, start_y: i32, current_x: i32, current_y: i32, ) -> bool

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fn error_bell(&self)

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fn allocated_baseline(&self) -> i32

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fn allocated_height(&self) -> i32

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fn allocated_width(&self) -> i32

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fn allocation(&self) -> Rectangle

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fn ancestor(&self, widget_type: Type) -> Option<Widget>

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fn can_focus(&self) -> bool

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fn can_target(&self) -> bool

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fn is_child_visible(&self) -> bool

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fn clipboard(&self) -> Clipboard

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fn css_classes(&self) -> Vec<GString>

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fn css_name(&self) -> GString

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fn cursor(&self) -> Option<Cursor>

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fn direction(&self) -> TextDirection

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fn display(&self) -> Display

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fn first_child(&self) -> Option<Widget>

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fn focus_child(&self) -> Option<Widget>

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fn gets_focus_on_click(&self) -> bool

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fn is_focusable(&self) -> bool

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fn font_map(&self) -> Option<FontMap>

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fn font_options(&self) -> Option<FontOptions>

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fn frame_clock(&self) -> Option<FrameClock>

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fn halign(&self) -> Align

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fn has_tooltip(&self) -> bool

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fn height(&self) -> i32

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fn hexpands(&self) -> bool

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fn is_hexpand_set(&self) -> bool

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fn last_child(&self) -> Option<Widget>

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fn layout_manager(&self) -> Option<LayoutManager>

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fn is_mapped(&self) -> bool

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fn margin_bottom(&self) -> i32

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fn margin_end(&self) -> i32

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fn margin_start(&self) -> i32

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fn margin_top(&self) -> i32

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fn widget_name(&self) -> GString

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fn native(&self) -> Option<Native>

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fn next_sibling(&self) -> Option<Widget>

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fn opacity(&self) -> f64

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fn overflow(&self) -> Overflow

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fn pango_context(&self) -> Context

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fn parent(&self) -> Option<Widget>

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fn preferred_size(&self) -> (Requisition, Requisition)

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fn prev_sibling(&self) -> Option<Widget>

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fn primary_clipboard(&self) -> Clipboard

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fn is_realized(&self) -> bool

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fn receives_default(&self) -> bool

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fn request_mode(&self) -> SizeRequestMode

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fn root(&self) -> Option<Root>

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fn scale_factor(&self) -> i32

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fn get_sensitive(&self) -> bool

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fn settings(&self) -> Settings

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fn size(&self, orientation: Orientation) -> i32

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fn size_request(&self) -> (i32, i32)

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fn state_flags(&self) -> StateFlags

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fn style_context(&self) -> StyleContext

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fn tooltip_markup(&self) -> Option<GString>

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fn tooltip_text(&self) -> Option<GString>

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fn valign(&self) -> Align

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fn vexpands(&self) -> bool

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fn is_vexpand_set(&self) -> bool

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fn get_visible(&self) -> bool

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fn width(&self) -> i32

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fn grab_focus(&self) -> bool

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fn has_css_class(&self, css_class: &str) -> bool

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fn has_default(&self) -> bool

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fn has_focus(&self) -> bool

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fn has_visible_focus(&self) -> bool

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fn hide(&self)

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fn in_destruction(&self) -> bool

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fn insert_action_group(&self, name: &str, group: Option<&impl IsA<ActionGroup>>)

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fn insert_after( &self, parent: &impl IsA<Widget>, previous_sibling: Option<&impl IsA<Widget>>, )

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fn insert_before( &self, parent: &impl IsA<Widget>, next_sibling: Option<&impl IsA<Widget>>, )

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fn is_ancestor(&self, ancestor: &impl IsA<Widget>) -> bool

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fn is_drawable(&self) -> bool

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fn is_focus(&self) -> bool

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fn is_sensitive(&self) -> bool

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fn is_visible(&self) -> bool

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fn keynav_failed(&self, direction: DirectionType) -> bool

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fn list_mnemonic_labels(&self) -> Vec<Widget>

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fn map(&self)

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fn measure( &self, orientation: Orientation, for_size: i32, ) -> (i32, i32, i32, i32)

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fn mnemonic_activate(&self, group_cycling: bool) -> bool

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fn observe_children(&self) -> ListModel

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fn observe_controllers(&self) -> ListModel

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fn pick(&self, x: f64, y: f64, flags: PickFlags) -> Option<Widget>

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fn queue_allocate(&self)

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fn queue_draw(&self)

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fn queue_resize(&self)

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fn realize(&self)

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fn remove_controller(&self, controller: &impl IsA<EventController>)

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fn remove_css_class(&self, css_class: &str)

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fn remove_mnemonic_label(&self, label: &impl IsA<Widget>)

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fn set_can_focus(&self, can_focus: bool)

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fn set_can_target(&self, can_target: bool)

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fn set_child_visible(&self, child_visible: bool)

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fn set_css_classes(&self, classes: &[&str])

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fn set_cursor(&self, cursor: Option<&Cursor>)

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fn set_cursor_from_name(&self, name: Option<&str>)

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fn set_direction(&self, dir: TextDirection)

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fn set_focus_child(&self, child: Option<&impl IsA<Widget>>)

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fn set_focus_on_click(&self, focus_on_click: bool)

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fn set_focusable(&self, focusable: bool)

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fn set_font_map(&self, font_map: Option<&impl IsA<FontMap>>)

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fn set_font_options(&self, options: Option<&FontOptions>)

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fn set_halign(&self, align: Align)

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fn set_has_tooltip(&self, has_tooltip: bool)

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fn set_hexpand(&self, expand: bool)

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fn set_hexpand_set(&self, set: bool)

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fn set_layout_manager(&self, layout_manager: Option<impl IsA<LayoutManager>>)

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fn set_margin_bottom(&self, margin: i32)

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fn set_margin_end(&self, margin: i32)

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fn set_margin_start(&self, margin: i32)

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fn set_margin_top(&self, margin: i32)

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fn set_widget_name(&self, name: &str)

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fn set_opacity(&self, opacity: f64)

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fn set_overflow(&self, overflow: Overflow)

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fn set_parent(&self, parent: &impl IsA<Widget>)

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fn set_receives_default(&self, receives_default: bool)

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fn set_sensitive(&self, sensitive: bool)

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fn set_size_request(&self, width: i32, height: i32)

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fn set_state_flags(&self, flags: StateFlags, clear: bool)

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fn set_tooltip_markup(&self, markup: Option<&str>)

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fn set_tooltip_text(&self, text: Option<&str>)

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fn set_valign(&self, align: Align)

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fn set_vexpand(&self, expand: bool)

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fn set_vexpand_set(&self, set: bool)

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fn set_visible(&self, visible: bool)

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fn should_layout(&self) -> bool

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fn show(&self)

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fn size_allocate(&self, allocation: &Rectangle, baseline: i32)

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fn snapshot_child( &self, child: &impl IsA<Widget>, snapshot: &impl IsA<Snapshot>, )

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fn translate_coordinates( &self, dest_widget: &impl IsA<Widget>, src_x: f64, src_y: f64, ) -> Option<(f64, f64)>

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fn trigger_tooltip_query(&self)

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fn unmap(&self)

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fn unparent(&self)

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fn unrealize(&self)

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fn unset_state_flags(&self, flags: StateFlags)

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fn height_request(&self) -> i32

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fn set_height_request(&self, height_request: i32)

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fn width_request(&self) -> i32

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fn set_width_request(&self, width_request: i32)

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fn connect_destroy<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_direction_changed<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self, TextDirection) + 'static,

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fn connect_hide<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_keynav_failed<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self, DirectionType) -> Propagation + 'static,

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fn connect_map<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_mnemonic_activate<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self, bool) -> Propagation + 'static,

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fn connect_move_focus<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self, DirectionType) + 'static,

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fn emit_move_focus(&self, direction: DirectionType)

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fn connect_query_tooltip<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self, i32, i32, bool, &Tooltip) -> bool + 'static,

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fn connect_realize<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_show<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_state_flags_changed<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self, StateFlags) + 'static,

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fn connect_unmap<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_unrealize<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_can_focus_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_can_target_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_css_classes_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_cursor_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_focus_on_click_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_focusable_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_halign_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_has_default_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_has_focus_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_has_tooltip_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_height_request_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_hexpand_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_hexpand_set_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_layout_manager_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_margin_bottom_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_margin_end_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_margin_start_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_margin_top_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_name_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_opacity_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_overflow_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_parent_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_receives_default_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_root_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_scale_factor_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_sensitive_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_tooltip_markup_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_tooltip_text_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_valign_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_vexpand_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_vexpand_set_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_visible_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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fn connect_width_request_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self) + 'static,

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impl<O> WidgetExtManual for O
where O: IsA<Widget>,

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fn add_tick_callback<P>(&self, callback: P) -> TickCallbackId
where P: Fn(&Self, &FrameClock) -> ControlFlow + 'static,

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impl<O> ConstraintTargetExt for O

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impl<'a, T, C, E> FromValueOptional<'a> for T
where T: FromValue<'a, Checker = C>, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError<E>>, E: Error + Send + 'static,

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impl<Super, Sub> MayDowncastTo<Sub> for Super
where Super: IsA<Super>, Sub: IsA<Super>,