Struct gtk4::MenuButton
source · #[repr(transparent)]pub struct MenuButton { /* private fields */ }
Expand description
The MenuButton
widget is used to display a popup when clicked.
This popup can be provided either as a Popover
or as an abstract
GMenuModel
.
The MenuButton
widget can show either an icon (set with the
icon-name
property) or a label (set with the
label
property). If neither is explicitly set,
a Image
is automatically created, using an arrow image oriented
according to direction
or the generic
“open-menu-symbolic” icon if the direction is not set.
The positioning of the popup is determined by the
direction
property of the menu button.
For menus, the halign
and valign
properties of the menu are also taken into account. For example, when the
direction is ArrowType::Down
and the horizontal alignment is Align::Start
,
the menu will be positioned below the button, with the starting edge
(depending on the text direction) of the menu aligned with the starting
edge of the button. If there is not enough space below the button, the
menu is popped up above the button instead. If the alignment would move
part of the menu offscreen, it is “pushed in”.
start | center | end | |
---|---|---|---|
down | |||
up | |||
left | |||
right |
CSS nodes
menubutton
╰── button.toggle
╰── <content>
╰── [arrow]
MenuButton
has a single CSS node with name menubutton
which contains a button
node with a .toggle
style class.
If the button contains an icon, it will have the .image-button
style class,
if it contains text, it will have .text-button
style class. If an arrow is
visible in addition to an icon, text or a custom child, it will also have
.arrow-button
style class.
Inside the toggle button content, there is an arrow
node for
the indicator, which will carry one of the .none
, .up
, .down
,
.left
or .right
style classes to indicate the direction that
the menu will appear in. The CSS is expected to provide a suitable
image for each of these cases using the -gtk-icon-source
property.
Optionally, the menubutton
node can carry the .circular
style class
to request a round appearance.
Accessibility
MenuButton
uses the AccessibleRole::Button
role.
Properties
active
Whether the menu button is active.
Readable | Writeable
always-show-arrow
Whether to show a dropdown arrow even when using an icon or a custom child.
Readable | Writeable
child
The child widget.
Readable | Writeable
direction
The ArrowType
representing the direction in which the
menu or popover will be popped out.
Readable | Writeable
has-frame
Whether the button has a frame.
Readable | Writeable
icon-name
The name of the icon used to automatically populate the button.
Readable | Writeable
label
The label for the button.
Readable | Writeable
menu-model
The GMenuModel
from which the popup will be created.
See MenuButton::set_menu_model()
for the interaction
with the popover
property.
Readable | Writeable
popover
The Popover
that will be popped up when the button is clicked.
Readable | Writeable
primary
Whether the menu button acts as a primary menu.
Primary menus can be opened using the F10 key
Readable | Writeable
use-underline
If set an underscore in the text indicates a mnemonic.
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
Signals
activate
Emitted to when the menu button is activated.
The ::activate
signal on MenuButton
is an action signal and
emitting it causes the button to pop up its menu.
Action
Widget
destroy
Signals that all holders of a reference to the widget should release the reference that they hold.
May result in finalization of the widget if all references are released.
This signal is not suitable for saving widget state.
direction-changed
Emitted when the text direction of a widget changes.
hide
Emitted when @widget is hidden.
keynav-failed
Emitted if keyboard navigation fails.
See WidgetExt::keynav_failed()
for details.
map
Emitted when @widget is going to be mapped.
A widget is mapped when the widget is visible (which is controlled with
visible
) and all its parents up to the toplevel widget
are also visible.
The ::map signal can be used to determine whether a widget will be drawn,
for instance it can resume an animation that was stopped during the
emission of unmap
.
mnemonic-activate
Emitted when a widget is activated via a mnemonic.
The default handler for this signal activates @widget if @group_cycling
is false
, or just makes @widget grab focus if @group_cycling is true
.
move-focus
Emitted when the focus is moved.
Action
query-tooltip
Emitted when the widgets tooltip is about to be shown.
This happens when the has-tooltip
property
is true
and the hover timeout has expired with the cursor hovering
“above” @widget; or emitted when @widget got focus in keyboard mode.
Using the given coordinates, the signal handler should determine
whether a tooltip should be shown for @widget. If this is the case
true
should be returned, false
otherwise. Note that if
@keyboard_mode is true
, the values of @x and @y are undefined and
should not be used.
The signal handler is free to manipulate @tooltip with the therefore destined function calls.
realize
Emitted when @widget is associated with a gdk::Surface
.
This means that WidgetExt::realize()
has been called
or the widget has been mapped (that is, it is going to be drawn).
show
Emitted when @widget is shown.
state-flags-changed
Emitted when the widget state changes.
unmap
Emitted when @widget is going to be unmapped.
A widget is unmapped when either it or any of its parents up to the toplevel widget have been set as hidden.
As ::unmap indicates that a widget will not be shown any longer, it can be used to, for example, stop an animation on the widget.
unrealize
Emitted when the gdk::Surface
associated with @widget is destroyed.
This means that WidgetExt::unrealize()
has been called
or the widget has been unmapped (that is, it is going to be hidden).
Implements
WidgetExt
, glib::ObjectExt
, AccessibleExt
, BuildableExt
, ConstraintTargetExt
, WidgetExtManual
, AccessibleExtManual
Implementations§
source§impl MenuButton
impl MenuButton
sourcepub fn new() -> MenuButton
pub fn new() -> MenuButton
Creates a new MenuButton
widget with downwards-pointing
arrow as the only child.
You can replace the child widget with another Widget
should you wish to.
Returns
The newly created MenuButton
sourcepub fn builder() -> MenuButtonBuilder
pub fn builder() -> MenuButtonBuilder
Creates a new builder-pattern struct instance to construct MenuButton
objects.
This method returns an instance of MenuButtonBuilder
which can be used to create MenuButton
objects.
sourcepub fn must_always_show_arrow(&self) -> bool
Available on crate feature v4_4
only.
pub fn must_always_show_arrow(&self) -> bool
v4_4
only.Gets whether to show a dropdown arrow even when using an icon.
Returns
whether to show a dropdown arrow even when using an icon
sourcepub fn is_primary(&self) -> bool
Available on crate feature v4_4
only.
pub fn is_primary(&self) -> bool
v4_4
only.sourcepub fn uses_underline(&self) -> bool
pub fn uses_underline(&self) -> bool
sourcepub fn set_active(&self, active: bool)
Available on crate feature v4_10
only.
pub fn set_active(&self, active: bool)
v4_10
only.sourcepub fn set_always_show_arrow(&self, always_show_arrow: bool)
Available on crate feature v4_4
only.
pub fn set_always_show_arrow(&self, always_show_arrow: bool)
v4_4
only.Sets whether to show a dropdown arrow even when using an icon or a custom child.
always_show_arrow
whether to show a dropdown arrow even when using an icon
sourcepub fn set_child(&self, child: Option<&impl IsA<Widget>>)
Available on crate feature v4_6
only.
pub fn set_child(&self, child: Option<&impl IsA<Widget>>)
v4_6
only.Sets the child widget of @self.
Setting a child resets label
and
icon-name
.
If always-show-arrow
is set to TRUE
and
direction
is not GTK_ARROW_NONE
, a dropdown arrow
will be shown next to the child.
child
the child widget
sourcepub fn set_create_popup_func<P: Fn(&MenuButton) + 'static>(&self, func: P)
pub fn set_create_popup_func<P: Fn(&MenuButton) + 'static>(&self, func: P)
Sets @func to be called when a popup is about to be shown.
@func should use one of
to set a popup for @self.
If @func is non-None
, @self will always be sensitive.
Using this function will not reset the menu widget attached to @self. Instead, this can be done manually in @func.
func
function to call when a popup is about to
be shown, but none has been provided via other means, or None
to reset to default behavior.
destroy_notify
destroy notify for @user_data
sourcepub fn set_direction(&self, direction: ArrowType)
pub fn set_direction(&self, direction: ArrowType)
Sets the direction in which the popup will be popped up.
If the button is automatically populated with an arrow icon, its direction will be changed to match.
If the does not fit in the available space in the given direction, GTK will its best to keep it inside the screen and fully visible.
If you pass ArrowType::None
for a @direction, the popup will behave
as if you passed ArrowType::Down
(although you won’t see any arrows).
direction
sourcepub fn set_has_frame(&self, has_frame: bool)
pub fn set_has_frame(&self, has_frame: bool)
sourcepub fn set_icon_name(&self, icon_name: &str)
pub fn set_icon_name(&self, icon_name: &str)
Sets the name of an icon to show inside the menu button.
Setting icon name resets label
and
child
.
If always-show-arrow
is set to TRUE
and
direction
is not GTK_ARROW_NONE
, a dropdown arrow
will be shown next to the icon.
icon_name
the icon name
Sets the GMenuModel
from which the popup will be constructed.
If @menu_model is None
, the button is disabled.
A Popover
will be created from the menu model with
PopoverMenu::from_model()
. Actions will be connected
as documented for this function.
If popover
is already set, it will be
dissociated from the @self, and the property is set to None
.
menu_model
a GMenuModel
, or None
to unset and disable the
button
sourcepub fn set_popover(&self, popover: Option<&impl IsA<Widget>>)
pub fn set_popover(&self, popover: Option<&impl IsA<Widget>>)
sourcepub fn set_primary(&self, primary: bool)
Available on crate feature v4_4
only.
pub fn set_primary(&self, primary: bool)
v4_4
only.Sets whether menu button acts as a primary menu.
Primary menus can be opened with the F10 key.
primary
whether the menubutton should act as a primary menu
sourcepub fn set_use_underline(&self, use_underline: bool)
pub fn set_use_underline(&self, use_underline: bool)
If true, an underline in the text indicates a mnemonic.
use_underline
true
if underlines in the text indicate mnemonics
sourcepub fn connect_activate<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
Available on crate feature v4_4
only.
pub fn connect_activate<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
v4_4
only.Emitted to when the menu button is activated.
The ::activate
signal on MenuButton
is an action signal and
emitting it causes the button to pop up its menu.
pub fn emit_activate(&self)
v4_4
only.pub fn connect_active_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
v4_10
only.pub fn connect_always_show_arrow_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
v4_4
only.pub fn connect_child_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
v4_6
only.pub fn connect_direction_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_has_frame_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_icon_name_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_label_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_popover_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_primary_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
v4_4
only.pub fn connect_use_underline_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
source§impl MenuButton
impl MenuButton
pub fn unset_create_popup_func(&self)
Trait Implementations§
source§impl Clone for MenuButton
impl Clone for MenuButton
source§impl Debug for MenuButton
impl Debug for MenuButton
source§impl Default for MenuButton
impl Default for MenuButton
source§impl Display for MenuButton
impl Display for MenuButton
source§impl HasParamSpec for MenuButton
impl HasParamSpec for MenuButton
type ParamSpec = ParamSpecObject
§type SetValue = MenuButton
type SetValue = MenuButton
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, MenuButton>
fn param_spec_builder() -> Self::BuilderFn
source§impl Hash for MenuButton
impl Hash for MenuButton
source§impl Ord for MenuButton
impl Ord for MenuButton
source§impl ParentClassIs for MenuButton
impl ParentClassIs for MenuButton
source§impl<OT: ObjectType> PartialEq<OT> for MenuButton
impl<OT: ObjectType> PartialEq<OT> for MenuButton
source§impl<OT: ObjectType> PartialOrd<OT> for MenuButton
impl<OT: ObjectType> PartialOrd<OT> for MenuButton
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self
and other
) and is used by the <=
operator. Read moresource§impl StaticType for MenuButton
impl StaticType for MenuButton
source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for MenuButton
impl IsA<Accessible> for MenuButton
impl IsA<Buildable> for MenuButton
impl IsA<ConstraintTarget> for MenuButton
impl IsA<Widget> for MenuButton
Auto Trait Implementations§
impl RefUnwindSafe for MenuButton
impl !Send for MenuButton
impl !Sync for MenuButton
impl Unpin for MenuButton
impl UnwindSafe for MenuButton
Blanket Implementations§
source§impl<O> AccessibleExtManual for Owhere
O: IsA<Accessible>,
impl<O> AccessibleExtManual for Owhere O: IsA<Accessible>,
source§fn update_property(&self, properties: &[Property<'_>])
fn update_property(&self, properties: &[Property<'_>])
source§fn update_relation(&self, relations: &[Relation<'_>])
fn update_relation(&self, relations: &[Relation<'_>])
source§fn update_state(&self, states: &[State])
fn update_state(&self, states: &[State])
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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for Twhere T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,
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T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,
impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for Twhere T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,
source§impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for Twhere
T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,
impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for Twhere T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,
source§impl<T> IntoClosureReturnValue for Twhere
T: Into<Value>,
impl<T> IntoClosureReturnValue for Twhere T: Into<Value>,
fn into_closure_return_value(self) -> Option<Value>
source§impl<U> IsSubclassableExt for Uwhere
U: IsClass + ParentClassIs,
impl<U> IsSubclassableExt for Uwhere U: IsClass + ParentClassIs,
fn parent_class_init<T>(class: &mut Class<U>)where T: ObjectSubclass, <U as ParentClassIs>::Parent: IsSubclassable<T>,
fn parent_instance_init<T>(instance: &mut InitializingObject<T>)where T: ObjectSubclass, <U as ParentClassIs>::Parent: IsSubclassable<T>,
source§impl<T> ObjectExt for Twhere
T: ObjectType,
impl<T> ObjectExt for Twhere T: ObjectType,
source§fn is<U>(&self) -> boolwhere
U: StaticType,
fn is<U>(&self) -> boolwhere U: StaticType,
true
if the object is an instance of (can be cast to) T
.source§fn object_class(&self) -> &Class<Object>
fn object_class(&self) -> &Class<Object>
ObjectClass
of the object. Read moresource§fn class_of<U>(&self) -> Option<&Class<U>>where
U: IsClass,
fn class_of<U>(&self) -> Option<&Class<U>>where U: IsClass,
T
. Read moresource§fn interface<U>(&self) -> Option<InterfaceRef<'_, U>>where
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of the object. Read moresource§fn set_property_from_value(&self, property_name: &str, value: &Value)
fn set_property_from_value(&self, property_name: &str, value: &Value)
source§fn set_properties(&self, property_values: &[(&str, &dyn ToValue)])
fn set_properties(&self, property_values: &[(&str, &dyn ToValue)])
source§fn set_properties_from_value(&self, property_values: &[(&str, Value)])
fn set_properties_from_value(&self, property_values: &[(&str, Value)])
source§fn property<V>(&self, property_name: &str) -> Vwhere
V: for<'b> FromValue<'b> + 'static,
fn property<V>(&self, property_name: &str) -> Vwhere V: for<'b> FromValue<'b> + 'static,
property_name
of the object and cast it to the type V. Read moresource§fn property_value(&self, property_name: &str) -> Value
fn property_value(&self, property_name: &str) -> Value
property_name
of the object. Read moresource§fn property_type(&self, property_name: &str) -> Option<Type>
fn property_type(&self, property_name: &str) -> Option<Type>
property_name
of this object. Read moresource§fn find_property(&self, property_name: &str) -> Option<ParamSpec>
fn find_property(&self, property_name: &str) -> Option<ParamSpec>
ParamSpec
of the property property_name
of this object.source§fn list_properties(&self) -> PtrSlice<ParamSpec>
fn list_properties(&self) -> PtrSlice<ParamSpec>
ParamSpec
of the properties of this object.source§fn freeze_notify(&self) -> PropertyNotificationFreezeGuard
fn freeze_notify(&self) -> PropertyNotificationFreezeGuard
source§unsafe fn set_qdata<QD>(&self, key: Quark, value: QD)where
QD: 'static,
unsafe fn set_qdata<QD>(&self, key: Quark, value: QD)where QD: 'static,
key
. Read moresource§unsafe fn qdata<QD>(&self, key: Quark) -> Option<NonNull<QD>>where
QD: 'static,
unsafe fn qdata<QD>(&self, key: Quark) -> Option<NonNull<QD>>where QD: 'static,
key
. Read moresource§unsafe fn steal_qdata<QD>(&self, key: Quark) -> Option<QD>where
QD: 'static,
unsafe fn steal_qdata<QD>(&self, key: Quark) -> Option<QD>where QD: 'static,
key
. Read moresource§unsafe fn set_data<QD>(&self, key: &str, value: QD)where
QD: 'static,
unsafe fn set_data<QD>(&self, key: &str, value: QD)where QD: 'static,
key
. Read moresource§unsafe fn data<QD>(&self, key: &str) -> Option<NonNull<QD>>where
QD: 'static,
unsafe fn data<QD>(&self, key: &str) -> Option<NonNull<QD>>where QD: 'static,
key
. Read moresource§unsafe fn steal_data<QD>(&self, key: &str) -> Option<QD>where
QD: 'static,
unsafe fn steal_data<QD>(&self, key: &str) -> Option<QD>where QD: 'static,
key
. Read moresource§fn block_signal(&self, handler_id: &SignalHandlerId)
fn block_signal(&self, handler_id: &SignalHandlerId)
source§fn unblock_signal(&self, handler_id: &SignalHandlerId)
fn unblock_signal(&self, handler_id: &SignalHandlerId)
source§fn stop_signal_emission(&self, signal_id: SignalId, detail: Option<Quark>)
fn stop_signal_emission(&self, signal_id: SignalId, detail: Option<Quark>)
source§fn stop_signal_emission_by_name(&self, signal_name: &str)
fn stop_signal_emission_by_name(&self, signal_name: &str)
source§fn connect<F>(
&self,
signal_name: &str,
after: bool,
callback: F
) -> SignalHandlerIdwhere
F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,
fn connect<F>( &self, signal_name: &str, after: bool, callback: F ) -> SignalHandlerIdwhere F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,
signal_name
on this object. Read moresource§fn connect_id<F>(
&self,
signal_id: SignalId,
details: Option<Quark>,
after: bool,
callback: F
) -> SignalHandlerIdwhere
F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,
fn connect_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F ) -> SignalHandlerIdwhere F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,
signal_id
on this object. Read moresource§fn connect_local<F>(
&self,
signal_name: &str,
after: bool,
callback: F
) -> SignalHandlerIdwhere
F: Fn(&[Value]) -> Option<Value> + 'static,
fn connect_local<F>( &self, signal_name: &str, after: bool, callback: F ) -> SignalHandlerIdwhere F: Fn(&[Value]) -> Option<Value> + 'static,
signal_name
on this object. Read moresource§fn connect_local_id<F>(
&self,
signal_id: SignalId,
details: Option<Quark>,
after: bool,
callback: F
) -> SignalHandlerIdwhere
F: Fn(&[Value]) -> Option<Value> + 'static,
fn connect_local_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F ) -> SignalHandlerIdwhere F: Fn(&[Value]) -> Option<Value> + 'static,
signal_id
on this object. Read moresource§unsafe fn connect_unsafe<F>(
&self,
signal_name: &str,
after: bool,
callback: F
) -> SignalHandlerIdwhere
F: Fn(&[Value]) -> Option<Value>,
unsafe fn connect_unsafe<F>( &self, signal_name: &str, after: bool, callback: F ) -> SignalHandlerIdwhere F: Fn(&[Value]) -> Option<Value>,
signal_name
on this object. Read moresource§unsafe fn connect_unsafe_id<F>(
&self,
signal_id: SignalId,
details: Option<Quark>,
after: bool,
callback: F
) -> SignalHandlerIdwhere
F: Fn(&[Value]) -> Option<Value>,
unsafe fn connect_unsafe_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F ) -> SignalHandlerIdwhere F: Fn(&[Value]) -> Option<Value>,
signal_id
on this object. Read moresource§fn connect_closure(
&self,
signal_name: &str,
after: bool,
closure: RustClosure
) -> SignalHandlerId
fn connect_closure( &self, signal_name: &str, after: bool, closure: RustClosure ) -> SignalHandlerId
signal_name
on this object. Read moresource§fn connect_closure_id(
&self,
signal_id: SignalId,
details: Option<Quark>,
after: bool,
closure: RustClosure
) -> SignalHandlerId
fn connect_closure_id( &self, signal_id: SignalId, details: Option<Quark>, after: bool, closure: RustClosure ) -> SignalHandlerId
signal_id
on this object. Read moresource§fn watch_closure(&self, closure: &impl AsRef<Closure>)
fn watch_closure(&self, closure: &impl AsRef<Closure>)
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.source§fn emit<R>(&self, signal_id: SignalId, args: &[&dyn ToValue]) -> Rwhere
R: TryFromClosureReturnValue,
fn emit<R>(&self, signal_id: SignalId, args: &[&dyn ToValue]) -> Rwhere R: TryFromClosureReturnValue,
source§fn emit_with_values(&self, signal_id: SignalId, args: &[Value]) -> Option<Value>
fn emit_with_values(&self, signal_id: SignalId, args: &[Value]) -> Option<Value>
Self::emit
but takes Value
for the arguments.source§fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> Rwhere R: TryFromClosureReturnValue,
source§fn emit_by_name_with_values(
&self,
signal_name: &str,
args: &[Value]
) -> Option<Value>
fn emit_by_name_with_values( &self, signal_name: &str, args: &[Value] ) -> Option<Value>
source§fn emit_by_name_with_details<R>(
&self,
signal_name: &str,
details: Quark,
args: &[&dyn ToValue]
) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_by_name_with_details<R>( &self, signal_name: &str, details: Quark, args: &[&dyn ToValue] ) -> Rwhere R: TryFromClosureReturnValue,
source§fn emit_by_name_with_details_and_values(
&self,
signal_name: &str,
details: Quark,
args: &[Value]
) -> Option<Value>
fn emit_by_name_with_details_and_values( &self, signal_name: &str, details: Quark, args: &[Value] ) -> Option<Value>
source§fn emit_with_details<R>(
&self,
signal_id: SignalId,
details: Quark,
args: &[&dyn ToValue]
) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_with_details<R>( &self, signal_id: SignalId, details: Quark, args: &[&dyn ToValue] ) -> Rwhere R: TryFromClosureReturnValue,
source§fn emit_with_details_and_values(
&self,
signal_id: SignalId,
details: Quark,
args: &[Value]
) -> Option<Value>
fn emit_with_details_and_values( &self, signal_id: SignalId, details: Quark, args: &[Value] ) -> Option<Value>
source§fn disconnect(&self, handler_id: SignalHandlerId)
fn disconnect(&self, handler_id: SignalHandlerId)
source§fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
notify
signal of the object. Read moresource§fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + 'static,
fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + 'static,
notify
signal of the object. Read moresource§unsafe fn connect_notify_unsafe<F>(
&self,
name: Option<&str>,
f: F
) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec),
unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F ) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec),
notify
signal of the object. Read more