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GtkAppChooserButton

GtkAppChooserButton — A button to launch an application chooser dialog

Properties

gchar * heading Read / Write
gboolean show-default-item Read / Write / Construct
gboolean show-dialog-item Read / Write / Construct

Signals

void custom-item-activated Has Details

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GtkWidget
            ╰── GtkContainer
                ╰── GtkBin
                    ╰── GtkComboBox
                        ╰── GtkAppChooserButton

Implemented Interfaces

GtkAppChooserButton implements AtkImplementorIface, GtkBuildable, GtkCellLayout, GtkCellEditable and GtkAppChooser.

Includes

#include <gtk/gtk.h>

Description

The GtkAppChooserButton is a widget that lets the user select an application. It implements the GtkAppChooser interface.

Initially, a GtkAppChooserButton selects the first application in its list, which will either be the most-recently used application or, if “show-default-item” is TRUE, the default application.

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

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

To track changes in the selected application, use the “changed” signal.

Functions

gtk_app_chooser_button_new ()

GtkWidget *
gtk_app_chooser_button_new (const gchar *content_type);

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

Parameters

content_type

the content type to show applications for

 

Returns

a newly created GtkAppChooserButton

Since 3.0


gtk_app_chooser_button_append_custom_item ()

void
gtk_app_chooser_button_append_custom_item
                               (GtkAppChooserButton *self,
                                const gchar *name,
                                const gchar *label,
                                GIcon *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 “custom-item-activated” signal, to add a callback for the activation of a particular custom item in the list. See also gtk_app_chooser_button_append_separator().

Parameters

self

a GtkAppChooserButton

 

name

the name of the custom item

 

label

the label for the custom item

 

icon

the icon for the custom item

 

Since 3.0


gtk_app_chooser_button_append_separator ()

void
gtk_app_chooser_button_append_separator
                               (GtkAppChooserButton *self);

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

Parameters

Since 3.0


gtk_app_chooser_button_set_active_custom_item ()

void
gtk_app_chooser_button_set_active_custom_item
                               (GtkAppChooserButton *self,
                                const gchar *name);

Selects a custom item previously added with gtk_app_chooser_button_append_custom_item().

Use gtk_app_chooser_refresh() to bring the selection to its initial state.

Parameters

self

a GtkAppChooserButton

 

name

the name of the custom item

 

Since 3.0


gtk_app_chooser_button_get_show_default_item ()

gboolean
gtk_app_chooser_button_get_show_default_item
                               (GtkAppChooserButton *self);

Returns the current value of the “show-default-item” property.

Parameters

Returns

the value of “show-default-item”

Since 3.2


gtk_app_chooser_button_set_show_default_item ()

void
gtk_app_chooser_button_set_show_default_item
                               (GtkAppChooserButton *self,
                                gboolean setting);

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

Parameters

self

a GtkAppChooserButton

 

setting

the new value for “show-default-item”

 

Since 3.2


gtk_app_chooser_button_get_show_dialog_item ()

gboolean
gtk_app_chooser_button_get_show_dialog_item
                               (GtkAppChooserButton *self);

Returns the current value of the “show-dialog-item” property.

Parameters

Returns

the value of “show-dialog-item”

Since 3.0


gtk_app_chooser_button_set_show_dialog_item ()

void
gtk_app_chooser_button_set_show_dialog_item
                               (GtkAppChooserButton *self,
                                gboolean setting);

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

Parameters

self

a GtkAppChooserButton

 

setting

the new value for “show-dialog-item”

 

Since 3.0


gtk_app_chooser_button_get_heading ()

const gchar *
gtk_app_chooser_button_get_heading (GtkAppChooserButton *self);

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

Parameters

Returns

the text to display at the top of the dialog, or NULL, in which case a default text is displayed


gtk_app_chooser_button_set_heading ()

void
gtk_app_chooser_button_set_heading (GtkAppChooserButton *self,
                                    const gchar *heading);

Sets the text to display at the top of the dialog. If the heading is not set, the dialog displays a default text.

Parameters

self

a GtkAppChooserButton

 

heading

a string containing Pango markup

 

Types and Values

struct GtkAppChooserButton

struct GtkAppChooserButton;

struct GtkAppChooserButtonClass

struct GtkAppChooserButtonClass {
  GtkComboBoxClass parent_class;


  void (* custom_item_activated) (GtkAppChooserButton *self,
                                  const gchar *item_name);
};

Members

GtkComboBoxClass parent_class;

The parent class.

 

custom_item_activated ()

Signal emitted when a custom item, previously added with gtk_app_chooser_button_append_custom_item(), is activated from the dropdown menu.

 

Property Details

The “heading” property

  “heading”                  gchar *

The text to show at the top of the dialog that can be opened from the button. The string may contain Pango markup.

Flags: Read / Write

Default value: NULL


The “show-default-item” property

  “show-default-item”        gboolean

The “show-default-item” property determines whether the dropdown menu should show the default application on top for the provided content type.

Flags: Read / Write / Construct

Default value: FALSE

Since 3.2


The “show-dialog-item” property

  “show-dialog-item”         gboolean

The “show-dialog-item” property determines whether the dropdown menu should show an item that triggers a GtkAppChooserDialog when clicked.

Flags: Read / Write / Construct

Default value: FALSE

Signal Details

The “custom-item-activated” signal

void
user_function (GtkAppChooserButton *self,
               gchar               *item_name,
               gpointer             user_data)

Emitted when a custom item, previously added with gtk_app_chooser_button_append_custom_item(), is activated from the dropdown menu.

Parameters

self

the object which received the signal

 

item_name

the name of the activated item

 

user_data

user data set when the signal handler was connected.

 

Flags: Has Details

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