### Class

# Adw Sidebar

since: 1.9

#### Description [src]

    final class Adw.Sidebar : Gtk.Widget
      implements Gtk.Accessible, Gtk.Buildable, Gtk.ConstraintTarget {
      /* No available fields */
    }

Adaptive sidebar widget.

`AdwSidebar` contains `AdwSidebarSection` objects, which in turn contain `AdwSidebarItem` objects.

To add sections, use `adw_sidebar_append()`, `adw_sidebar_prepend()` or `adw_sidebar_insert()`.

To remove sections, use `adw_sidebar_remove()` or `adw_sidebar_remove_all()`.

To inspect the items, use `adw_sidebar_get_item()` or `AdwSidebar:items`.

To inspect sections themselves, use `adw_sidebar_get_section()` or `AdwSidebar:sections`.

## Selection and activation

`AdwSidebar` has zero or one selected items. The index of the item can be accessed and changed via `AdwSidebar:selected`. Set it to `GTK_INVALID_LIST_POSITION` to remove selection.

Selection cannot be permanently disabled.

`AdwSidebar:selected-item` can be used to access the selected item.

Connect to the `AdwSidebar::activated` signal to run code when an item has been activated. This can be used to toggle the visible pane when used in a split view.

See also: `AdwViewSwitcherSidebar`.

## Modes

`AdwSidebar` is adaptive and can act as either a regular sidebar, or a page of boxed lists.

Use the `AdwSidebar:mode` to determine its look and behavior.

A typical use case involves using `AdwSidebar` inside the sidebar pane of a `AdwNavigationSplitView`, and switching mode to page whenever it’s collapsed, as follows:

    <object class="AdwWindow">
      <property name="default-width">800</property>
      <property name="default-height">600</property>
      <child>
        <object class="AdwBreakpoint">
          <condition>max-width: 400sp</condition>
          <setter object="split_view" property="collapsed">True</setter>
          <setter object="sidebar" property="mode">page</setter>
        </object>
      </child>
      <property name="content">
        <object class="AdwNavigationSplitView" id="split_view">
          <property name="sidebar">
            <object class="AdwNavigationPage">
              <property name="title" translatable="yes">Sidebar</property>
              <property name="child">
                <object class="AdwToolbarView">
                  <child type="top">
                    <object class="AdwHeaderBar"/>
                  </child>
                  <property name="content">
                    <object class="AdwSidebar" id="sidebar">
                      <!-- Calls adw_navigation_split_view_set_show_content (split_view, TRUE); -->
                      <signal name="activated" handler="sidebar_activated_cb"/>
                      <!-- ... -->
                    </object>
                  </property>
                </object>
              </property>
            </object>
          </property>
          <property name="content">
            <object class="AdwNavigationPage">
              <property name="title" translatable="yes">Content</property>
              <property name="child">
                <!-- ... -->
              </property>
            </object>
          </property>
        </object>
      </property>
    </object>

When used with `AdwOverlaySplitView`, the sidebar should stay in sidebar mode, as the sidebar pane is still a sidebar when collapsed.

## Search

`AdwSidebar` supports filtering items via the `AdwSidebar:filter` property.

Use `AdwSidebar:placeholder` to provide an empty state widget. It will be shown when all items have been filtered out, or the sidebar has no items otherwise.

## Context Menu

To create a context menu for the sidebar items, use the `AdwSidebar:menu-model` property to provide a menu model, and the `AdwSidebar::setup-menu` signal to set up actions for the given item.

To set or override the menu for just one section, use `AdwSidebarSection:menu-model` instead.

## Drag-and-Drop

`AdwSidebar` items can have a drop target for arbitrary content.

Use `adw_sidebar_setup_drop_target()` to set it up, specifying the supported content types and drag actions, then connect to `AdwSidebar::drop` to handle drops.

In some cases, it may be necessary to determine the used action based on the dragged content, or the hovered item.

To determine it based on the sidebar item, connect to the `AdwSidebar::drop-enter` signal and return the action from its handler.

To determine it based on the content, set `AdwSidebar:drop-preload` to `TRUE`, then connect to `AdwSidebar::drop-value-loaded` signal and return the action from its handler.

In both cases the action will be passed as a parameter to the `AdwSidebar::drop` signal.

Regardless of whether a drop target was set up, dragging content over sidebar items activates them after a timeout. To disable this behavior for specific items, set `AdwSidebarItem:drag-motion-activate` to `FALSE` on them.

## `AdwSidebar` as `GtkBuildable`

`AdwSidebar` allows adding sections as children.

Example of an `AdwSidebar` UI definition:

    <object class="AdwSidebar">
      <child>
        <object class="AdwSidebarSection">
          <child>
            <object class="AdwSidebarItem">
              <property name="title" translatable="yes">Recent</property>
              <property name="icon-name">document-open-recent-symbolic</property>
            </object>
          </child>
          <child>
            <object class="AdwSidebarItem">
              <property name="title" translatable="yes">Starred</property>
              <property name="icon-name">starred-symbolic</property>
            </object>
          </child>
        </object>
      </child>
      <child>
        <object class="AdwSidebarSection">
          <property name="title" translatable="yes">Places</property>
          <child>
            <object class="AdwSidebarItem">
              <property name="title" translatable="yes">Music</property>
              <property name="icon-name">folder-music-symbolic</property>
            </object>
          </child>
          <child>
            <object class="AdwSidebarItem">
              <property name="title" translatable="yes">Pictures</property>
              <property name="icon-name">folder-pictures-symbolic</property>
            </object>
          </child>
          <child>
            <object class="AdwSidebarItem">
              <property name="title" translatable="yes">Videos</property>
              <property name="icon-name">folder-videos-symbolic</property>
            </object>
          </child>
        </object>
      </child>
      <child>
        <object class="AdwSidebarSection">
          <child>
            <object class="AdwSidebarItem">
              <property name="title" translatable="yes">Trash</property>
              <property name="icon-name">user-trash-symbolic</property>
            </object>
          </child>
        </object>
      </child>
    </object>

## CSS nodes

`AdwSidebar` has a main CSS node with the name `sidebar`.

Internally, it’s using a `GtkListBox` with the `.navigation-sidebar` style class in sidebar mode, or an `AdwPreferencesPage` in page mode.

## Accessibility

`AdwSidebar` uses the `GTK_ACCESSIBLE_ROLE_GENERIC` role.

Available since: 1.9

#### Ancestors

- GtkWidget
- GInitiallyUnowned
- GObject

#### Implements

- GtkAccessible
- GtkBuildable
- GtkConstraintTarget

#### Constructors

###### adw_sidebar_new

Creates a new `AdwSidebar`.

since: 1.9

#### Instance methods

###### adw_sidebar_append

Appends `section` to `self`.

since: 1.9

###### adw_sidebar_get_drop_preload

Gets whether drop data should be preloaded on hover.

since: 1.9

###### adw_sidebar_get_filter

Gets the item filter for `self`.

since: 1.9

###### adw_sidebar_get_item

Gets the item at `index` within `self`.

since: 1.9

###### adw_sidebar_get_items

Gets a list model with `self`‘s items.

since: 1.9

###### adw_sidebar_get_menu_model

Gets the context menu model for `self`‘s items.

since: 1.9

###### adw_sidebar_get_mode

Gets `self`‘s look and behavior.

since: 1.9

###### adw_sidebar_get_placeholder

Gets the placeholder widget for `self`.

since: 1.9

###### adw_sidebar_get_section

Gets the section at `index` within `self`.

since: 1.9

###### adw_sidebar_get_sections

Gets a list model with `self`‘s sections.

since: 1.9

###### adw_sidebar_get_selected

Gets the index of the currently selected item.

since: 1.9

###### adw_sidebar_get_selected_item

Gets the currently selected item.

since: 1.9

###### adw_sidebar_insert

Inserts `section` at `position` to `self`.

since: 1.9

###### adw_sidebar_prepend

Prepends `section` to `self`.

since: 1.9

###### adw_sidebar_remove

Removes `section` from `self`.

since: 1.9

###### adw_sidebar_remove_all

Removes all sections from `self`.

since: 1.9

###### adw_sidebar_set_drop_preload

Sets whether drop data should be preloaded on hover.

since: 1.9

###### adw_sidebar_set_filter

Sets the item filter for `self`.

since: 1.9

###### adw_sidebar_set_menu_model

Sets the context menu model for `self`‘s items.

since: 1.9

###### adw_sidebar_set_mode

Sets `self`‘s look and behavior.

since: 1.9

###### adw_sidebar_set_placeholder

Sets the placeholder widget for `self`.

since: 1.9

###### adw_sidebar_set_selected

Selects the item at `selected`.

since: 1.9

###### adw_sidebar_setup_drop_target

Sets up a drop target on the items.

since: 1.9

##### Methods inherited from GtkWidget (164)

Please see GtkWidget for a full list of methods.

##### Methods inherited from GObject (43)

Please see GObject for a full list of methods.

##### Methods inherited from GtkAccessible (21)

###### gtk_accessible_announce

Requests the user’s screen reader to announce the given message.

###### gtk_accessible_get_accessible_id

Retrieves the accessible identifier for the accessible object.

###### gtk_accessible_get_accessible_parent

Retrieves the accessible parent for an accessible object.

###### gtk_accessible_get_accessible_role

Retrieves the accessible role of an accessible object.

###### gtk_accessible_get_at_context

Retrieves the implementation for the given accessible object.

###### gtk_accessible_get_bounds

Queries the coordinates and dimensions of this accessible.

###### gtk_accessible_get_first_accessible_child

Retrieves the first accessible child of an accessible object.

###### gtk_accessible_get_next_accessible_sibling

Retrieves the next accessible sibling of an accessible object.

###### gtk_accessible_get_platform_state

Queries a platform state, such as focus.

###### gtk_accessible_reset_property

Resets the accessible property to its default value.

###### gtk_accessible_reset_relation

Resets the accessible relation to its default value.

###### gtk_accessible_reset_state

Resets the accessible state to its default value.

###### gtk_accessible_set_accessible_parent

Sets the parent and sibling of an accessible object.

###### gtk_accessible_update_next_accessible_sibling

Updates the next accessible sibling.

###### gtk_accessible_update_platform_state

Informs ATs that the platform state has changed.

###### gtk_accessible_update_property

Updates a list of accessible properties.

###### gtk_accessible_update_property_value

Updates an array of accessible properties.

###### gtk_accessible_update_relation

Updates a list of accessible relations.

###### gtk_accessible_update_relation_value

Updates an array of accessible relations.

###### gtk_accessible_update_state

Updates a list of accessible states.

###### gtk_accessible_update_state_value

Updates an array of accessible states.

##### Methods inherited from GtkBuildable (1)

###### gtk_buildable_get_buildable_id

Gets the ID of the `buildable` object.

#### Properties

###### Adw.Sidebar:drop-preload

Whether the drop data should be preloaded on hover.

since: 1.9

###### Adw.Sidebar:filter

The item filter.

since: 1.9

###### Adw.Sidebar:items

A list model with the sidebar’s items.

since: 1.9

###### Adw.Sidebar:menu-model

Context menu model for the items.

since: 1.9

###### Adw.Sidebar:mode

Determines the sidebar’s look and behavior.

since: 1.9

###### Adw.Sidebar:placeholder

The placeholder widget.

since: 1.9

###### Adw.Sidebar:sections

A list model with the sidebar’s sections.

since: 1.9

###### Adw.Sidebar:selected

The index of the currently selected item.

since: 1.9

###### Adw.Sidebar:selected-item

The currently selected item.

since: 1.9

##### Properties inherited from GtkWidget (35)

###### Gtk.Widget:can-focus

Whether the widget or any of its descendents can accept the input focus.

###### Gtk.Widget:can-target

Whether the widget can receive pointer events.

###### Gtk.Widget:css-classes

A list of css classes applied to this widget.

###### Gtk.Widget:css-name

The name of this widget in the CSS tree.

###### Gtk.Widget:cursor

The cursor used by `widget`.

###### Gtk.Widget:focus-on-click

Whether the widget should grab focus when it is clicked with the mouse.

###### Gtk.Widget:focusable

Whether this widget itself will accept the input focus.

###### Gtk.Widget:halign

How to distribute horizontal space if widget gets extra space.

###### Gtk.Widget:has-default

Whether the widget is the default widget.

###### Gtk.Widget:has-focus

Whether the widget has the input focus.

###### Gtk.Widget:has-tooltip

Enables or disables the emission of the `GtkWidget::query-tooltip` signal on `widget`.

###### Gtk.Widget:height-request

Overrides for height request of the widget.

###### Gtk.Widget:hexpand

Whether to expand horizontally.

###### Gtk.Widget:hexpand-set

Whether to use the `hexpand` property.

###### Gtk.Widget:layout-manager

The `GtkLayoutManager` instance to use to compute the preferred size of the widget, and allocate its children.

###### Gtk.Widget:limit-events

Makes this widget act like a modal dialog, with respect to event delivery.

###### Gtk.Widget:margin-bottom

Margin on bottom side of widget.

###### Gtk.Widget:margin-end

Margin on end of widget, horizontally.

###### Gtk.Widget:margin-start

Margin on start of widget, horizontally.

###### Gtk.Widget:margin-top

Margin on top side of widget.

###### Gtk.Widget:name

The name of the widget.

###### Gtk.Widget:opacity

The requested opacity of the widget.

###### Gtk.Widget:overflow

How content outside the widget’s content area is treated.

###### Gtk.Widget:parent

The parent widget of this widget.

###### Gtk.Widget:receives-default

Whether the widget will receive the default action when it is focused.

###### Gtk.Widget:root

The `GtkRoot` widget of the widget tree containing this widget.

###### Gtk.Widget:scale-factor

The scale factor of the widget.

###### Gtk.Widget:sensitive

Whether the widget responds to input.

###### Gtk.Widget:tooltip-markup

Sets the text of tooltip to be the given string, which is marked up with Pango markup.

###### Gtk.Widget:tooltip-text

Sets the text of tooltip to be the given string.

###### Gtk.Widget:valign

How to distribute vertical space if widget gets extra space.

###### Gtk.Widget:vexpand

Whether to expand vertically.

###### Gtk.Widget:vexpand-set

Whether to use the `vexpand` property.

###### Gtk.Widget:visible

Whether the widget is visible.

###### Gtk.Widget:width-request

Overrides for width request of the widget.

##### Properties inherited from GtkAccessible (1)

###### Gtk.Accessible:accessible-role

The accessible role of the given `GtkAccessible` implementation.

#### Signals

###### Adw.Sidebar::activated

Emitted when an item at `index` has been activated.

since: 1.9

###### Adw.Sidebar::drop

Emitted when content is dropped onto the item at `index`.

###### Adw.Sidebar::drop-enter

Emitted when the pointer enters the item at `index`.

since: 1.9

###### Adw.Sidebar::drop-value-loaded

Emitted when the dropped content is preloaded for the item at `index`.

since: 1.9

###### Adw.Sidebar::setup-menu

Emitted when a context menu is opened or closed for `item`.

##### Signals inherited from GtkWidget (13)

###### GtkWidget::destroy

Signals that all holders of a reference to the widget should release the reference that they hold.

###### GtkWidget::direction-changed

Emitted when the text direction of a widget changes.

###### GtkWidget::hide

Emitted when `widget` is hidden.

###### GtkWidget::keynav-failed

Emitted if keyboard navigation fails.

###### GtkWidget::map

Emitted when `widget` is going to be mapped.

###### GtkWidget::mnemonic-activate

Emitted when a widget is activated via a mnemonic.

###### GtkWidget::move-focus

Emitted when the focus is moved.

###### GtkWidget::query-tooltip

Emitted when the widget’s tooltip is about to be shown.

###### GtkWidget::realize

Emitted when `widget` is associated with a `GdkSurface`.

###### GtkWidget::show

Emitted when `widget` is shown.

###### GtkWidget::state-flags-changed

Emitted when the widget state changes.

###### GtkWidget::unmap

Emitted when `widget` is going to be unmapped.

###### GtkWidget::unrealize

Emitted when the `GdkSurface` associated with `widget` is destroyed.

##### Signals inherited from GObject (1)

###### GObject::notify

The notify signal is emitted on an object when one of its properties has its value set through g_object_set_property(), g_object_set(), et al.

#### Class structure

    struct AdwSidebarClass {
      GtkWidgetClass parent_class;

    }

No description available.

###### Class members

`parent_class: GtkWidgetClass`

  No description available.