Struct gtk4::AppChooserButton[][src]

pub struct AppChooserButton(_);
Expand description

The AppChooserButton lets the user select an application.

An example GtkAppChooserButton

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

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

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.

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

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

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

Gets whether the dialog is modal.

Returns

true if the dialog is modal

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

Returns

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

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

Returns

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

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

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

Sets whether the dialog should be modal.

true to make the dialog modal

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

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

Emitted when the active application changes.

Emitted when a custom item is activated.

Use append_custom_item(), to add custom items.

item_name

the name of the activated item

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Formats the value using the given formatter. Read more

Feeds this value into the given Hasher. Read more

Feeds a slice of this type into the given Hasher. Read more

This method returns an Ordering between self and other. Read more

Compares and returns the maximum of two values. Read more

Compares and returns the minimum of two values. Read more

Restrict a value to a certain interval. Read more

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

This method tests for !=.

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

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

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

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

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

Returns the type identifier of Self.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Upcasts an object to a superclass or interface T. Read more

Upcasts an object to a reference of its superclass or interface T. Read more

Tries to downcast to a subclass or interface implementor T. Read more

Tries to downcast to a reference of its subclass or interface implementor T. Read more

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 downcast and upcast will do many checks at compile-time already. Read more

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

Casts to T unconditionally. Read more

Casts to &T unconditionally. Read more

Performs the conversion.

Performs the conversion.

Returns true if the object is an instance of (can be cast to) T.

Safety Read more

Safety Read more

Safety Read more

Safety Read more

Safety Read more

Safety Read more

Same as connect but takes a SignalId instead of a signal name.

Same as connect_local but takes a SignalId instead of a signal name.

Same as connect_unsafe but takes a SignalId instead of a signal name.

Emit signal by signal id.

Same as emit but takes Value for the arguments.

Emit signal by its name.

Same as emit_by_name but takes Value for the arguments.

Emit signal with details by signal id.

Same as emit_with_details but takes Value for the arguments.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

Returns a SendValue clone of self.

Converts the given value to a String. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.