Struct gtk4::PopoverMenu

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

PopoverMenu is a subclass of Popover that implements menu behavior.

An example GtkPopoverMenu

PopoverMenu treats its children like menus and allows switching between them. It can open submenus as traditional, nested submenus, or in a more touch-friendly sliding fashion. The property flags controls this appearance.

PopoverMenu is meant to be used primarily with menu models, using from_model(). If you need to put other widgets such as a SpinButton or a Switch into a popover, you can use add_child().

For more dialog-like behavior, use a plain Popover.

The XML format understood by Builder for GMenuModel consists of a toplevel <menu> element, which contains one or more <item> elements. Each <item> element contains <attribute> and <link> elements with a mandatory name attribute. <link> elements have the same content model as <menu>. Instead of <link name="submenu"> or <link name="section">, you can use <submenu> or <section> elements.

<menu id='app-menu'>
  <section>
    <item>
      <attribute name='label' translatable='yes'>_New Window</attribute>
      <attribute name='action'>app.new</attribute>
    </item>
    <item>
      <attribute name='label' translatable='yes'>_About Sunny</attribute>
      <attribute name='action'>app.about</attribute>
    </item>
    <item>
      <attribute name='label' translatable='yes'>_Quit</attribute>
      <attribute name='action'>app.quit</attribute>
    </item>
  </section>
</menu>

Attribute values can be translated using gettext, like other Builder content. <attribute> elements can be marked for translation with a translatable="yes" attribute. It is also possible to specify message context and translator comments, using the context and comments attributes. To make use of this, the Builder must have been given the gettext domain to use.

The following attributes are used when constructing menu items:

  • “label”: a user-visible string to display
  • “use-markup”: whether the text in the menu item includes Pango markup
  • “action”: the prefixed name of the action to trigger
  • “target”: the parameter to use when activating the action
  • “icon” and “verb-icon”: names of icons that may be displayed
  • “submenu-action”: name of an action that may be used to track whether a submenu is open
  • “hidden-when”: a string used to determine when the item will be hidden. Possible values include “action-disabled”, “action-missing”, “macos-menubar”. This is mainly useful for exported menus, see GtkApplicationExt::set_menubar().
  • “custom”: a string used to match against the ID of a custom child added with add_child(), PopoverMenuBar::add_child(), or in the ui file with <child type="ID">.

The following attributes are used when constructing sections:

  • “label”: a user-visible string to use as section heading
  • “display-hint”: a string used to determine special formatting for the section. Possible values include “horizontal-buttons”, “circular-buttons” and “inline-buttons”. They all indicate that section should be displayed as a horizontal row of buttons.
  • “text-direction”: a string used to determine the TextDirection to use when “display-hint” is set to “horizontal-buttons”. Possible values include “rtl”, “ltr”, and “none”.

The following attributes are used when constructing submenus:

  • “label”: a user-visible string to display
  • “icon”: icon name to display

Menu items will also show accelerators, which are usually associated with actions via GtkApplicationExt::set_accels_for_action(), WidgetClassExt::add_binding_action() or ShortcutController::add_shortcut().

§CSS Nodes

PopoverMenu is just a subclass of Popover that adds custom content to it, therefore it has the same CSS nodes. It is one of the cases that add a .menu style class to the main popover node.

Menu items have nodes with name button and class .model. If a section display-hint is set, the section gets a node box with class horizontal plus a class with the same text as the display hint. Note that said box may not be the direct ancestor of the item buttons. Thus, for example, to style items in an inline-buttons section, select .inline-buttons button.model. Other things that may be of interest to style in menus include label nodes.

§Accessibility

PopoverMenu uses the AccessibleRole::Menu role, and its items use the AccessibleRole::MenuItem, AccessibleRole::MenuItemCheckbox or AccessibleRole::MenuItemRadio roles, depending on the action they are connected to.

§Properties

§flags

The flags that @popover uses to create/display a menu from its model.

If a model is set and the flags change, contents are rebuilt, so if setting properties individually, set flags before model to avoid a redundant rebuild.

Readable | Writeable

The model from which the menu is made.

Readable | Writeable

§visible-submenu

The name of the visible submenu.

Readable | Writeable

Popover

§autohide

Whether to dismiss the popover on outside clicks.

Readable | Writeable

§cascade-popdown

Whether the popover pops down after a child popover.

This is used to implement the expected behavior of submenus.

Readable | Writeable

§child

The child widget.

Readable | Writeable

§default-widget

The default widget inside the popover.

Readable | Writeable

§has-arrow

Whether to draw an arrow.

Readable | Writeable

§mnemonics-visible

Whether mnemonics are currently visible in this popover.

Readable | Writeable

§pointing-to

Rectangle in the parent widget that the popover points to.

Readable | Writeable

§position

How to place the popover, relative to its parent.

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 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 WidgetExt::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 WidgetExt::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 WidgetExt::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 WidgetExt::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 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 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 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 Accessible implementation.

The accessible role cannot be changed once set.

Readable | Writeable

§Implements

PopoverExt, WidgetExt, [trait@glib::ObjectExt], AccessibleExt, BuildableExt, ConstraintTargetExt, NativeExt, ShortcutManagerExt, WidgetExtManual, AccessibleExtManual

GLib type: GObject with reference counted clone semantics.

Implementations§

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impl PopoverMenu

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pub fn from_model(model: Option<&impl IsA<MenuModel>>) -> PopoverMenu

Creates a PopoverMenu and populates it according to @model.

The created buttons are connected to actions found in the ApplicationWindow to which the popover belongs - typically by means of being attached to a widget that is contained within the ApplicationWindows widget hierarchy.

Actions can also be added using WidgetExt::insert_action_group() on the menus attach widget or on any of its parent widgets.

This function creates menus with sliding submenus. See from_model_full() for a way to control this.

§model

a GMenuModel

§Returns

the new PopoverMenu

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pub fn from_model_full( model: &impl IsA<MenuModel>, flags: PopoverMenuFlags ) -> PopoverMenu

Creates a PopoverMenu and populates it according to @model.

The created buttons are connected to actions found in the action groups that are accessible from the parent widget. This includes the ApplicationWindow to which the popover belongs. Actions can also be added using WidgetExt::insert_action_group() on the parent widget or on any of its parent widgets.

§model

a GMenuModel

§flags

flags that affect how the menu is created

§Returns

the new PopoverMenu

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pub fn builder() -> PopoverMenuBuilder

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

This method returns an instance of PopoverMenuBuilder which can be used to create PopoverMenu objects.

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pub fn add_child(&self, child: &impl IsA<Widget>, id: &str) -> bool

Adds a custom widget to a generated menu.

For this to work, the menu model of @self must have an item with a custom attribute that matches @id.

§child

the Widget to add

§id

the ID to insert @child at

§Returns

true if @id was found and the widget added

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pub fn flags(&self) -> PopoverMenuFlags

Available on crate feature v4_14 only.

Returns the flags that @self uses to create/display a menu from its model.

§Returns

the PopoverMenuFlags

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pub fn menu_model(&self) -> Option<MenuModel>

Returns the menu model used to populate the popover.

§Returns

the menu model of @self

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pub fn remove_child(&self, child: &impl IsA<Widget>) -> bool

Removes a widget that has previously been added with add_child()()]

§child

the Widget to remove

§Returns

true if the widget was removed

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pub fn set_flags(&self, flags: PopoverMenuFlags)

Available on crate feature v4_14 only.

Sets the flags that @self uses to create/display a menu from its model.

If a model is set and the flags change, contents are rebuilt, so if setting properties individually, set flags before model to avoid a redundant rebuild.

§flags

a set of PopoverMenuFlags

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pub fn set_menu_model(&self, model: Option<&impl IsA<MenuModel>>)

Sets a new menu model on @self.

The existing contents of @self are removed, and the @self is populated with new contents according to @model.

§model

a GMenuModel

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pub fn visible_submenu(&self) -> Option<GString>

The name of the visible submenu.

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pub fn set_visible_submenu(&self, visible_submenu: Option<&str>)

The name of the visible submenu.

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

Available on crate feature v4_14 only.
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pub fn connect_menu_model_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId

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

Trait Implementations§

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impl Clone for PopoverMenu

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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 PopoverMenu

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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 HasParamSpec for PopoverMenu

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type ParamSpec = ParamSpecObject

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type SetValue = PopoverMenu

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

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fn param_spec_builder() -> Self::BuilderFn

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impl Hash for PopoverMenu

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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 PopoverMenu

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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 + PartialOrd,

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

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

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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

This method 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 PopoverMenu

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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

This method 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

This method 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

This method 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

This method 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 PopoverMenu

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Eq for PopoverMenu

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impl IsA<Accessible> for PopoverMenu

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impl IsA<Buildable> for PopoverMenu

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impl IsA<ConstraintTarget> for PopoverMenu

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impl IsA<Native> for PopoverMenu

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impl IsA<Popover> for PopoverMenu

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impl IsA<ShortcutManager> for PopoverMenu

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impl IsA<Widget> for PopoverMenu

Auto Trait Implementations§

Blanket Implementations§

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

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fn announce(&self, message: &str, priority: AccessibleAnnouncementPriority)

Available on crate feature v4_14 only.
Requests the user’s screen reader to announce the given message. Read more
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fn accessible_parent(&self) -> Option<Accessible>

Available on crate feature v4_10 only.
Retrieves the accessible parent for an accessible object. Read more
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fn accessible_role(&self) -> AccessibleRole

Retrieves the accessible role of an accessible object. Read more
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fn at_context(&self) -> ATContext

Available on crate feature v4_10 only.
Retrieves the accessible implementation for the given Accessible. Read more
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fn bounds(&self) -> Option<(i32, i32, i32, i32)>

Available on crate feature v4_10 only.
Queries the coordinates and dimensions of this accessible Read more
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fn first_accessible_child(&self) -> Option<Accessible>

Available on crate feature v4_10 only.
Retrieves the first accessible child of an accessible object. Read more
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fn next_accessible_sibling(&self) -> Option<Accessible>

Available on crate feature v4_10 only.
Retrieves the next accessible sibling of an accessible object Read more
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fn platform_state(&self, state: AccessiblePlatformState) -> bool

Available on crate feature v4_10 only.
Query a platform state, such as focus. Read more
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fn reset_property(&self, property: AccessibleProperty)

Resets the accessible @property to its default value. Read more
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fn reset_relation(&self, relation: AccessibleRelation)

Resets the accessible @relation to its default value. Read more
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fn reset_state(&self, state: AccessibleState)

Resets the accessible @state to its default value. Read more
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fn set_accessible_parent( &self, parent: Option<&impl IsA<Accessible>>, next_sibling: Option<&impl IsA<Accessible>> )

Available on crate feature v4_10 only.
Sets the parent and sibling of an accessible object. Read more
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fn update_next_accessible_sibling( &self, new_sibling: Option<&impl IsA<Accessible>> )

Available on crate feature v4_10 only.
Updates the next accessible sibling of @self. Read more
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fn set_accessible_role(&self, accessible_role: AccessibleRole)

The accessible role of the given Accessible implementation. Read more
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fn connect_accessible_role_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId

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

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

Updates an array of accessible properties. Read more
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fn update_relation(&self, relations: &[Relation<'_>])

Updates an array of accessible relations. Read more
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fn update_state(&self, states: &[State])

Updates an array of accessible states. Read more
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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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fn buildable_id(&self) -> Option<GString>

Gets the ID of the @self object. Read more
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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> 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<O> NativeExt for O
where O: IsA<Native>,

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fn renderer(&self) -> Option<Renderer>

Returns the renderer that is used for this Native. Read more
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fn surface(&self) -> Option<Surface>

Returns the surface of this Native. Read more
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fn surface_transform(&self) -> (f64, f64)

Retrieves the surface transform of @self. Read more
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fn realize(&self)

Realizes a Native. Read more
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fn unrealize(&self)

Unrealizes a Native. Read more
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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> PopoverExt for O
where O: IsA<Popover>,

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fn is_autohide(&self) -> bool

Returns whether the popover is modal. Read more
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fn is_cascade_popdown(&self) -> bool

Returns whether the popover will close after a modal child is closed. Read more
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fn child(&self) -> Option<Widget>

Gets the child widget of @self. Read more
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fn has_arrow(&self) -> bool

Gets whether this popover is showing an arrow pointing at the widget that it is relative to. Read more
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fn is_mnemonics_visible(&self) -> bool

Gets whether mnemonics are visible. Read more
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fn offset(&self) -> (i32, i32)

Gets the offset previous set with set_offset()()]. Read more
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fn pointing_to(&self) -> (bool, Rectangle)

Gets the rectangle that the popover points to. Read more
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fn position(&self) -> PositionType

Returns the preferred position of @self. Read more
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fn popdown(&self)

Pops @self down. Read more
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fn popup(&self)

Pops @self up.
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fn present(&self)

Allocate a size for the Popover. Read more
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fn set_autohide(&self, autohide: bool)

Sets whether @self is modal. Read more
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fn set_cascade_popdown(&self, cascade_popdown: bool)

If @cascade_popdown is true, the popover will be closed when a child modal popover is closed. Read more
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fn set_child(&self, child: Option<&impl IsA<Widget>>)

Sets the child widget of @self. Read more
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fn set_default_widget(&self, widget: Option<&impl IsA<Widget>>)

Sets the default widget of a Popover. Read more
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fn set_has_arrow(&self, has_arrow: bool)

Sets whether this popover should draw an arrow pointing at the widget it is relative to. Read more
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fn set_mnemonics_visible(&self, mnemonics_visible: bool)

Sets whether mnemonics should be visible. Read more
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fn set_offset(&self, x_offset: i32, y_offset: i32)

Sets the offset to use when calculating the position of the popover. Read more
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fn set_pointing_to(&self, rect: Option<&Rectangle>)

Sets the rectangle that @self points to. Read more
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fn set_position(&self, position: PositionType)

Sets the preferred position for @self to appear. Read more
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fn default_widget(&self) -> Option<Widget>

The default widget inside the popover.
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fn connect_activate_default<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId

Emitted whend the user activates the default widget. Read more
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fn emit_activate_default(&self)

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

Emitted when the popover is closed.
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fn connect_autohide_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId

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

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

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

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

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

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

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

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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)

Enable or disable an action installed with gtk_widget_class_install_action(). Read more
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fn activate(&self) -> bool

For widgets that can be “activated” (buttons, menu items, etc.), this function activates them. Read more
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fn activate_action( &self, name: &str, args: Option<&Variant> ) -> Result<(), BoolError>

Looks up the action in the action groups associated with @self and its ancestors, and activates it. Read more
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fn activate_default(&self)

Activates the default.activate action from @self.
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fn add_controller(&self, controller: impl IsA<EventController>)

Adds @controller to @self so that it will receive events. Read more
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fn add_css_class(&self, css_class: &str)

Adds a style class to @self. Read more
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fn add_mnemonic_label(&self, label: &impl IsA<Widget>)

Adds a widget to the list of mnemonic labels for this widget. Read more
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fn allocate( &self, width: i32, height: i32, baseline: i32, transform: Option<Transform> )

This function is only used by Widget subclasses, to assign a size, position and (optionally) baseline to their child widgets. Read more
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fn child_focus(&self, direction: DirectionType) -> bool

Called by widgets as the user moves around the window using keyboard shortcuts. Read more
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fn compute_bounds(&self, target: &impl IsA<Widget>) -> Option<Rect>

Computes the bounds for @self in the coordinate space of @target. Read more
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fn compute_expand(&self, orientation: Orientation) -> bool

Computes whether a container should give this widget extra space when possible. Read more
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fn compute_point( &self, target: &impl IsA<Widget>, point: &Point ) -> Option<Point>

Translates the given @point in @self’s coordinates to coordinates relative to @target’s coordinate system. Read more
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fn compute_transform(&self, target: &impl IsA<Widget>) -> Option<Matrix>

Computes a matrix suitable to describe a transformation from @self’s coordinate system into @target’s coordinate system. Read more
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fn contains(&self, x: f64, y: f64) -> bool

Tests if the point at (@x, @y) is contained in @self. Read more
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fn create_pango_context(&self) -> Context

Creates a new pango::Context with the appropriate font map, font options, font description, and base direction for drawing text for this widget. Read more
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fn create_pango_layout(&self, text: Option<&str>) -> Layout

Creates a new pango::Layout with the appropriate font map, font description, and base direction for drawing text for this widget. Read more
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fn drag_check_threshold( &self, start_x: i32, start_y: i32, current_x: i32, current_y: i32 ) -> bool

Checks to see if a drag movement has passed the GTK drag threshold. Read more
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fn error_bell(&self)

Notifies the user about an input-related error on this widget. Read more
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fn allocated_baseline(&self) -> i32

👎Deprecated: Since 4.12
Returns the baseline that has currently been allocated to @self. Read more
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fn allocated_height(&self) -> i32

👎Deprecated: Since 4.12
Returns the height that has currently been allocated to @self. Read more
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fn allocated_width(&self) -> i32

👎Deprecated: Since 4.12
Returns the width that has currently been allocated to @self. Read more
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fn allocation(&self) -> Allocation

👎Deprecated: Since 4.12
Retrieves the widget’s allocation. Read more
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fn ancestor(&self, widget_type: Type) -> Option<Widget>

Gets the first ancestor of @self with type @widget_type. Read more
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fn baseline(&self) -> i32

Available on crate feature v4_12 only.
Returns the baseline that has currently been allocated to @self. Read more
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fn can_focus(&self) -> bool

Determines whether the input focus can enter @self or any of its children. Read more
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fn can_target(&self) -> bool

Queries whether @self can be the target of pointer events. Read more
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fn is_child_visible(&self) -> bool

Gets the value set with gtk_widget_set_child_visible(). Read more
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fn clipboard(&self) -> Clipboard

Gets the clipboard object for @self. Read more
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fn color(&self) -> RGBA

Available on crate feature v4_10 only.
Gets the current foreground color for the widget’s CSS style. Read more
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fn css_classes(&self) -> Vec<GString>

Returns the list of style classes applied to @self. Read more
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fn css_name(&self) -> GString

Returns the CSS name that is used for @self. Read more
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fn cursor(&self) -> Option<Cursor>

Queries the cursor set on @self. Read more
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fn direction(&self) -> TextDirection

Gets the reading direction for a particular widget. Read more
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fn display(&self) -> Display

Get the gdk::Display for the toplevel window associated with this widget. Read more
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fn first_child(&self) -> Option<Widget>

Returns the widget’s first child. Read more
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fn focus_child(&self) -> Option<Widget>

Returns the current focus child of @self. Read more
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fn gets_focus_on_click(&self) -> bool

Returns whether the widget should grab focus when it is clicked with the mouse. Read more
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fn is_focusable(&self) -> bool

Determines whether @self can own the input focus. Read more
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fn font_map(&self) -> Option<FontMap>

Gets the font map of @self. Read more
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fn font_options(&self) -> Option<FontOptions>

👎Deprecated: Since 4.16
Returns the cairo::FontOptions of widget. Read more
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fn frame_clock(&self) -> Option<FrameClock>

Obtains the frame clock for a widget. Read more
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fn halign(&self) -> Align

Gets the horizontal alignment of @self. Read more
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fn has_tooltip(&self) -> bool

Returns the current value of the has-tooltip property. Read more
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fn height(&self) -> i32

Returns the content height of the widget. Read more
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fn hexpands(&self) -> bool

Gets whether the widget would like any available extra horizontal space. Read more
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fn is_hexpand_set(&self) -> bool

Gets whether gtk_widget_set_hexpand() has been used to explicitly set the expand flag on this widget. Read more
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fn last_child(&self) -> Option<Widget>

Returns the widget’s last child. Read more
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fn layout_manager(&self) -> Option<LayoutManager>

Retrieves the layout manager used by @self. Read more
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fn is_mapped(&self) -> bool

Whether the widget is mapped. Read more
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fn margin_bottom(&self) -> i32

Gets the bottom margin of @self. Read more
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fn margin_end(&self) -> i32

Gets the end margin of @self. Read more
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fn margin_start(&self) -> i32

Gets the start margin of @self. Read more
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fn margin_top(&self) -> i32

Gets the top margin of @self. Read more
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fn widget_name(&self) -> GString

Retrieves the name of a widget. Read more
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fn native(&self) -> Option<Native>

Returns the nearest Native ancestor of @self. Read more
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fn next_sibling(&self) -> Option<Widget>

Returns the widget’s next sibling. Read more
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fn opacity(&self) -> f64

#Fetches the requested opacity for this widget. Read more
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fn overflow(&self) -> Overflow

Returns the widget’s overflow value. Read more
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fn pango_context(&self) -> Context

Gets a pango::Context with the appropriate font map, font description, and base direction for this widget. Read more
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fn parent(&self) -> Option<Widget>

Returns the parent widget of @self. Read more
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fn preferred_size(&self) -> (Requisition, Requisition)

Retrieves the minimum and natural size of a widget, taking into account the widget’s preference for height-for-width management. Read more
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fn prev_sibling(&self) -> Option<Widget>

Returns the widget’s previous sibling. Read more
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fn primary_clipboard(&self) -> Clipboard

Gets the primary clipboard of @self. Read more
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fn is_realized(&self) -> bool

Determines whether @self is realized. Read more
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fn receives_default(&self) -> bool

Determines whether @self is always treated as the default widget within its toplevel when it has the focus, even if another widget is the default. Read more
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fn request_mode(&self) -> SizeRequestMode

Gets whether the widget prefers a height-for-width layout or a width-for-height layout. Read more
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fn root(&self) -> Option<Root>

Returns the Root widget of @self. Read more
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fn scale_factor(&self) -> i32

Retrieves the internal scale factor that maps from window coordinates to the actual device pixels. Read more
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fn get_sensitive(&self) -> bool

Returns the widget’s sensitivity. Read more
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fn settings(&self) -> Settings

Gets the settings object holding the settings used for this widget. Read more
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fn size(&self, orientation: Orientation) -> i32

Returns the content width or height of the widget. Read more
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fn size_request(&self) -> (i32, i32)

Gets the size request that was explicitly set for the widget using gtk_widget_set_size_request(). Read more
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fn state_flags(&self) -> StateFlags

Returns the widget state as a flag set. Read more
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fn style_context(&self) -> StyleContext

👎Deprecated: Since 4.10
Returns the style context associated to @self. Read more
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fn tooltip_markup(&self) -> Option<GString>

Gets the contents of the tooltip for @self. Read more
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fn tooltip_text(&self) -> Option<GString>

Gets the contents of the tooltip for @self. Read more
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fn valign(&self) -> Align

Gets the vertical alignment of @self. Read more
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fn vexpands(&self) -> bool

Gets whether the widget would like any available extra vertical space. Read more
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fn is_vexpand_set(&self) -> bool

Gets whether gtk_widget_set_vexpand() has been used to explicitly set the expand flag on this widget. Read more
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fn get_visible(&self) -> bool

Determines whether the widget is visible. Read more
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fn width(&self) -> i32

Returns the content width of the widget. Read more
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fn grab_focus(&self) -> bool

Causes @self to have the keyboard focus for the Window it’s inside. Read more
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fn has_css_class(&self, css_class: &str) -> bool

Returns whether @css_class is currently applied to @self. Read more
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fn has_default(&self) -> bool

Determines whether @self is the current default widget within its toplevel. Read more
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fn has_focus(&self) -> bool

Determines if the widget has the global input focus. Read more
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fn has_visible_focus(&self) -> bool

Determines if the widget should show a visible indication that it has the global input focus. Read more
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fn hide(&self)

👎Deprecated: Since 4.10
Reverses the effects of gtk_widget_show(). Read more
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fn in_destruction(&self) -> bool

Returns whether the widget is currently being destroyed. Read more
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fn insert_action_group(&self, name: &str, group: Option<&impl IsA<ActionGroup>>)

Inserts @group into @self. Read more
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fn insert_after( &self, parent: &impl IsA<Widget>, previous_sibling: Option<&impl IsA<Widget>> )

Inserts @self into the child widget list of @parent. Read more
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fn insert_before( &self, parent: &impl IsA<Widget>, next_sibling: Option<&impl IsA<Widget>> )

Inserts @self into the child widget list of @parent. Read more
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fn is_ancestor(&self, ancestor: &impl IsA<Widget>) -> bool

Determines whether @self is somewhere inside @ancestor, possibly with intermediate containers. Read more
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fn is_drawable(&self) -> bool

Determines whether @self can be drawn to. Read more
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fn is_focus(&self) -> bool

Determines if the widget is the focus widget within its toplevel. Read more
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fn is_sensitive(&self) -> bool

Returns the widget’s effective sensitivity. Read more
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fn is_visible(&self) -> bool

Determines whether the widget and all its parents are marked as visible. Read more
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fn keynav_failed(&self, direction: DirectionType) -> bool

Emits the ::keynav-failed signal on the widget. Read more
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fn list_mnemonic_labels(&self) -> Vec<Widget>

Returns the widgets for which this widget is the target of a mnemonic. Read more
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fn map(&self)

Causes a widget to be mapped if it isn’t already. Read more
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fn measure( &self, orientation: Orientation, for_size: i32 ) -> (i32, i32, i32, i32)

Measures @self in the orientation @orientation and for the given @for_size. Read more
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fn mnemonic_activate(&self, group_cycling: bool) -> bool

Emits the ::mnemonic-activate signal. Read more
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fn observe_children(&self) -> ListModel

Returns a GListModel to track the children of @self. Read more
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fn observe_controllers(&self) -> ListModel

Returns a GListModel to track the EventControllers of @self. Read more
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fn pick(&self, x: f64, y: f64, flags: PickFlags) -> Option<Widget>

Finds the descendant of @self closest to the point (@x, @y). Read more
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fn queue_allocate(&self)

Flags the widget for a rerun of the WidgetImpl::size_allocate() function. Read more
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fn queue_draw(&self)

Schedules this widget to be redrawn in the paint phase of the current or the next frame. Read more
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fn queue_resize(&self)

Flags a widget to have its size renegotiated. Read more
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fn realize(&self)

Creates the GDK resources associated with a widget. Read more
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fn remove_controller(&self, controller: &impl IsA<EventController>)

Removes @controller from @self, so that it doesn’t process events anymore. Read more
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fn remove_css_class(&self, css_class: &str)

Removes a style from @self. Read more
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fn remove_mnemonic_label(&self, label: &impl IsA<Widget>)

Removes a widget from the list of mnemonic labels for this widget. Read more
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fn set_can_focus(&self, can_focus: bool)

Specifies whether the input focus can enter the widget or any of its children. Read more
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fn set_can_target(&self, can_target: bool)

Sets whether @self can be the target of pointer events. Read more
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fn set_child_visible(&self, child_visible: bool)

Sets whether @self should be mapped along with its parent. Read more
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fn set_css_classes(&self, classes: &[&str])

Clear all style classes applied to @self and replace them with @classes. Read more
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fn set_cursor(&self, cursor: Option<&Cursor>)

Sets the cursor to be shown when pointer devices point towards @self. Read more
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fn set_cursor_from_name(&self, name: Option<&str>)

Sets a named cursor to be shown when pointer devices point towards @self. Read more
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fn set_direction(&self, dir: TextDirection)

Sets the reading direction on a particular widget. Read more
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fn set_focus_child(&self, child: Option<&impl IsA<Widget>>)

Set @child as the current focus child of @self. Read more
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fn set_focus_on_click(&self, focus_on_click: bool)

Sets whether the widget should grab focus when it is clicked with the mouse. Read more
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fn set_focusable(&self, focusable: bool)

Specifies whether @self can own the input focus. Read more
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fn set_font_map(&self, font_map: Option<&impl IsA<FontMap>>)

Sets the font map to use for Pango rendering. Read more
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fn set_font_options(&self, options: Option<&FontOptions>)

👎Deprecated: Since 4.16
Sets the cairo::FontOptions used for Pango rendering in this widget. Read more
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fn set_halign(&self, align: Align)

Sets the horizontal alignment of @self. Read more
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fn set_has_tooltip(&self, has_tooltip: bool)

Sets the has-tooltip property on @self to @has_tooltip. Read more
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fn set_hexpand(&self, expand: bool)

Sets whether the widget would like any available extra horizontal space. Read more
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fn set_hexpand_set(&self, set: bool)

Sets whether the hexpand flag will be used. Read more
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fn set_layout_manager(&self, layout_manager: Option<impl IsA<LayoutManager>>)

Sets the layout manager delegate instance that provides an implementation for measuring and allocating the children of @self. Read more
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fn set_margin_bottom(&self, margin: i32)

Sets the bottom margin of @self. Read more
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fn set_margin_end(&self, margin: i32)

Sets the end margin of @self. Read more
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fn set_margin_start(&self, margin: i32)

Sets the start margin of @self. Read more
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fn set_margin_top(&self, margin: i32)

Sets the top margin of @self. Read more
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fn set_widget_name(&self, name: &str)

Sets a widgets name. Read more
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fn set_opacity(&self, opacity: f64)

Request the @self to be rendered partially transparent. Read more
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fn set_overflow(&self, overflow: Overflow)

Sets how @self treats content that is drawn outside the widget’s content area. Read more
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fn set_parent(&self, parent: &impl IsA<Widget>)

Sets @parent as the parent widget of @self. Read more
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fn set_receives_default(&self, receives_default: bool)

Specifies whether @self will be treated as the default widget within its toplevel when it has the focus, even if another widget is the default. Read more
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fn set_sensitive(&self, sensitive: bool)

Sets the sensitivity of a widget. Read more
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fn set_size_request(&self, width: i32, height: i32)

Sets the minimum size of a widget. Read more
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fn set_state_flags(&self, flags: StateFlags, clear: bool)

Turns on flag values in the current widget state. Read more
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fn set_tooltip_markup(&self, markup: Option<&str>)

Sets @markup as the contents of the tooltip, which is marked up with Pango markup. Read more
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fn set_tooltip_text(&self, text: Option<&str>)

Sets @text as the contents of the tooltip. Read more
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fn set_valign(&self, align: Align)

Sets the vertical alignment of @self. Read more
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fn set_vexpand(&self, expand: bool)

Sets whether the widget would like any available extra vertical space. Read more
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fn set_vexpand_set(&self, set: bool)

Sets whether the vexpand flag will be used. Read more
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fn set_visible(&self, visible: bool)

Sets the visibility state of @self. Read more
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fn should_layout(&self) -> bool

Returns whether @self should contribute to the measuring and allocation of its parent. Read more
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fn show(&self)

👎Deprecated: Since 4.10
Flags a widget to be displayed. Read more
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fn size_allocate(&self, allocation: &Allocation, baseline: i32)

Allocates widget with a transformation that translates the origin to the position in @allocation. Read more
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fn snapshot_child( &self, child: &impl IsA<Widget>, snapshot: &impl IsA<Snapshot> )

Snapshot the a child of @self. Read more
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fn translate_coordinates( &self, dest_widget: &impl IsA<Widget>, src_x: f64, src_y: f64 ) -> Option<(f64, f64)>

👎Deprecated: Since 4.12
Translate coordinates relative to @self’s allocation to coordinates relative to @dest_widget’s allocations. Read more
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fn trigger_tooltip_query(&self)

Triggers a tooltip query on the display where the toplevel of @self is located.
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fn unmap(&self)

Causes a widget to be unmapped if it’s currently mapped. Read more
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fn unparent(&self)

Dissociate @self from its parent. Read more
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fn unrealize(&self)

Causes a widget to be unrealized (frees all GDK resources associated with the widget). Read more
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fn unset_state_flags(&self, flags: StateFlags)

Turns off flag values for the current widget state. Read more
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fn height_request(&self) -> i32

Override for height request of the widget. Read more
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fn set_height_request(&self, height_request: i32)

Override for height request of the widget. Read more
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fn width_request(&self) -> i32

Override for width request of the widget. Read more
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fn set_width_request(&self, width_request: i32)

Override for width request of the widget. Read more
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fn connect_destroy<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Signals that all holders of a reference to the widget should release the reference that they hold. Read more
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fn connect_direction_changed<F: Fn(&Self, TextDirection) + 'static>( &self, f: F ) -> SignalHandlerId

Emitted when the text direction of a widget changes. Read more
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fn connect_hide<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when @widget is hidden.
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fn connect_keynav_failed<F: Fn(&Self, DirectionType) -> Propagation + 'static>( &self, f: F ) -> SignalHandlerId

Emitted if keyboard navigation fails. Read more
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fn connect_map<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when @widget is going to be mapped. Read more
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fn connect_mnemonic_activate<F: Fn(&Self, bool) -> Propagation + 'static>( &self, f: F ) -> SignalHandlerId

Emitted when a widget is activated via a mnemonic. Read more
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fn connect_move_focus<F: Fn(&Self, DirectionType) + 'static>( &self, f: F ) -> SignalHandlerId

Emitted when the focus is moved. Read more
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fn emit_move_focus(&self, direction: DirectionType)

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

Emitted when the widget’s tooltip is about to be shown. Read more
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fn connect_realize<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when @widget is associated with a gdk::Surface. Read more
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fn connect_show<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when @widget is shown.
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fn connect_state_flags_changed<F: Fn(&Self, StateFlags) + 'static>( &self, f: F ) -> SignalHandlerId

Emitted when the widget state changes. Read more
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fn connect_unmap<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when @widget is going to be unmapped. Read more
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fn connect_unrealize<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when the gdk::Surface associated with @widget is destroyed. Read more
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fn connect_can_focus_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Queues an animation frame update and adds a callback to be called before each frame. Read more
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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>,

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impl<O> ShortcutManagerExt for O
where O: IsA<ShortcutManager>,