Struct gtk4::AppChooserButton

#[repr(transparent)]
pub struct AppChooserButton { /* private fields */ }

The AppChooserButton lets the user select an application.

Initially, a AppChooserButton selects the first application in its list, which will either be the most-recently used application or, if property::AppChooserButton::show-default-item is true, the default application.

The list of applications shown in a AppChooserButton includes the recommended applications for the given content type. When property::AppChooserButton::show-default-item is set, the default application is also included. To let the user chooser other applications, you can set the property::AppChooserButton::show-dialog-item property, which allows to open a full AppChooserDialog.

It is possible to add custom items to the list, using append_custom_item(). These items cause the signal::AppChooserButton::custom-item-activated signal to be emitted when they are selected.

To track changes in the selected application, use the signal::AppChooserButton::changed signal.

CSS nodes

AppChooserButton has a single CSS node with the name “appchooserbutton”.

Implements

WidgetExt, glib::ObjectExt, AccessibleExt, BuildableExt, ConstraintTargetExt, AppChooserExt, WidgetExtManual, AccessibleExtManual

Implementations

impl AppChooserButton

pub fn new(content_type: &str) -> AppChooserButton

Creates a new AppChooserButton for applications that can handle content of the given type.

content_type

the content type to show applications for

Returns

a newly created AppChooserButton

pub fn builder() -> AppChooserButtonBuilder

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

This method returns an instance of AppChooserButtonBuilder which can be used to create AppChooserButton objects.

pub fn append_custom_item(&self, name: &str, label: &str, icon: &impl IsA<Icon>)

Appends a custom item to the list of applications that is shown in the popup.

The item name must be unique per-widget. Clients can use the provided name as a detail for the signal::AppChooserButton::custom-item-activated signal, to add a callback for the activation of a particular custom item in the list.

See also append_separator().

name

the name of the custom item

label

the label for the custom item

icon

the icon for the custom item

pub fn append_separator(&self)

Appends a separator to the list of applications that is shown in the popup.

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

Returns the text to display at the top of the dialog.

Returns

the text to display at the top of the dialog, or None, in which case a default text is displayed

pub fn is_modal(&self) -> bool

Gets whether the dialog is modal.

Returns

true if the dialog is modal

pub fn shows_default_item(&self) -> bool

Returns whether the dropdown menu should show the default application at the top.

Returns

the value of property::AppChooserButton::show-default-item

pub fn shows_dialog_item(&self) -> bool

Returns whether the dropdown menu shows an item for a AppChooserDialog.

Returns

the value of property::AppChooserButton::show-dialog-item

pub fn set_active_custom_item(&self, name: &str)

Selects a custom item.

See append_custom_item().

Use AppChooserExt::refresh() to bring the selection to its initial state.

name

the name of the custom item

pub fn set_heading(&self, heading: &str)

Sets the text to display at the top of the dialog.

If the heading is not set, the dialog displays a default text.

heading

a string containing Pango markup

pub fn set_modal(&self, modal: bool)

Sets whether the dialog should be modal.

modal

true to make the dialog modal

pub fn set_show_default_item(&self, setting: bool)

Sets whether the dropdown menu of this button should show the default application for the given content type at top.

setting

the new value for property::AppChooserButton::show-default-item

pub fn set_show_dialog_item(&self, setting: bool)

Sets whether the dropdown menu of this button should show an entry to trigger a AppChooserDialog.

setting

the new value for property::AppChooserButton::show-dialog-item

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

Available on crate feature v4_4 only.

Emitted to when the button is activated.

The ::activate signal on AppChooserButton is an action signal and emitting it causes the button to pop up its dialog.

pub fn emit_activate(&self)

Available on crate feature v4_4 only.

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

Emitted when the active application changes.

pub fn connect_custom_item_activated<F: Fn(&Self, &str) + 'static>( &self, detail: Option<&str>, f: F ) -> SignalHandlerId

Emitted when a custom item is activated.

Use append_custom_item(), to add custom items.

item_name

the name of the activated item

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

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

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

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

Trait Implementations

impl Clone for AppChooserButton

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for AppChooserButton

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for AppChooserButton

fn default() -> Self

Returns the “default value” for a type.

impl Display for AppChooserButton

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Hash for AppChooserButton

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

Feeds this value into the given Hasher.

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

Feeds a slice of this type into the given Hasher.

impl Ord for AppChooserButton

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

This method returns an Ordering between self and other.

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

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval.

impl ParentClassIs for AppChooserButton

type Parent = Widget

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

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

This method tests for self and other values to be equal, and is used by ==.

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.

impl<OT: ObjectType> PartialOrd<OT> for AppChooserButton

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

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl StaticType for AppChooserButton

fn static_type() -> Type

Returns the type identifier of Self.

impl Eq for AppChooserButton

impl IsA<Accessible> for AppChooserButton

impl IsA<AppChooser> for AppChooserButton

impl IsA<Buildable> for AppChooserButton

impl IsA<ConstraintTarget> for AppChooserButton

impl IsA<Widget> for AppChooserButton