godot-docs/classes/class_scrollcontainer.rst

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.. _class_ScrollContainer:

ScrollContainer
===============

**Inherits:** :ref:`Container<class_Container>` **<** :ref:`Control<class_Control>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`

**Inherited By:** :ref:`EditorInspector<class_EditorInspector>`

A helper node for displaying scrollable elements such as lists.

.. rst-class:: classref-introduction-group

Description
-----------

A ScrollContainer node meant to contain a :ref:`Control<class_Control>` child. ScrollContainers will automatically create a scrollbar child (:ref:`HScrollBar<class_HScrollBar>`, :ref:`VScrollBar<class_VScrollBar>`, or both) when needed and will only draw the Control within the ScrollContainer area. Scrollbars will automatically be drawn at the right (for vertical) or bottom (for horizontal) and will enable dragging to move the viewable Control (and its children) within the ScrollContainer. Scrollbars will also automatically resize the grabber based on the :ref:`Control.rect_min_size<class_Control_property_rect_min_size>` of the Control relative to the ScrollContainer. Works great with a :ref:`Panel<class_Panel>` control. You can set ``EXPAND`` on the children's size flags, so they will upscale to the ScrollContainer's size if it's larger (scroll is invisible for the chosen dimension).

.. rst-class:: classref-introduction-group

Tutorials
---------

- :doc:`GUI containers <../tutorials/ui/gui_containers>`

.. rst-class:: classref-reftable-group

Properties
----------

.. table::
   :widths: auto

   +-------------------------+--------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>` | :ref:`follow_focus<class_ScrollContainer_property_follow_focus>`                           | ``false``                                                                     |
   +-------------------------+--------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>` | rect_clip_content                                                                          | ``true`` (overrides :ref:`Control<class_Control_property_rect_clip_content>`) |
   +-------------------------+--------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------+
   | :ref:`int<class_int>`   | :ref:`scroll_deadzone<class_ScrollContainer_property_scroll_deadzone>`                     | ``0``                                                                         |
   +-------------------------+--------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------+
   | :ref:`int<class_int>`   | :ref:`scroll_horizontal<class_ScrollContainer_property_scroll_horizontal>`                 | ``0``                                                                         |
   +-------------------------+--------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>` | :ref:`scroll_horizontal_enabled<class_ScrollContainer_property_scroll_horizontal_enabled>` | ``true``                                                                      |
   +-------------------------+--------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------+
   | :ref:`int<class_int>`   | :ref:`scroll_vertical<class_ScrollContainer_property_scroll_vertical>`                     | ``0``                                                                         |
   +-------------------------+--------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------+
   | :ref:`bool<class_bool>` | :ref:`scroll_vertical_enabled<class_ScrollContainer_property_scroll_vertical_enabled>`     | ``true``                                                                      |
   +-------------------------+--------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------+

.. rst-class:: classref-reftable-group

Methods
-------

.. table::
   :widths: auto

   +-------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------+
   | void                                | :ref:`ensure_control_visible<class_ScrollContainer_method_ensure_control_visible>` **(** :ref:`Control<class_Control>` control **)** |
   +-------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`HScrollBar<class_HScrollBar>` | :ref:`get_h_scrollbar<class_ScrollContainer_method_get_h_scrollbar>` **(** **)**                                                     |
   +-------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`VScrollBar<class_VScrollBar>` | :ref:`get_v_scrollbar<class_ScrollContainer_method_get_v_scrollbar>` **(** **)**                                                     |
   +-------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------+

.. rst-class:: classref-reftable-group

Theme Properties
----------------

.. table::
   :widths: auto

   +---------------------------------+-------------------------------------------------+
   | :ref:`StyleBox<class_StyleBox>` | :ref:`bg<class_ScrollContainer_theme_style_bg>` |
   +---------------------------------+-------------------------------------------------+

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

Signals
-------

.. _class_ScrollContainer_signal_scroll_ended:

.. rst-class:: classref-signal

**scroll_ended** **(** **)**

Emitted when scrolling stops.

.. rst-class:: classref-item-separator

----

.. _class_ScrollContainer_signal_scroll_started:

.. rst-class:: classref-signal

**scroll_started** **(** **)**

Emitted when scrolling is started.

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

Property Descriptions
---------------------

.. _class_ScrollContainer_property_follow_focus:

.. rst-class:: classref-property

:ref:`bool<class_bool>` **follow_focus** = ``false``

.. rst-class:: classref-property-setget

- void **set_follow_focus** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **is_following_focus** **(** **)**

If ``true``, the ScrollContainer will automatically scroll to focused children (including indirect children) to make sure they are fully visible.

.. rst-class:: classref-item-separator

----

.. _class_ScrollContainer_property_scroll_deadzone:

.. rst-class:: classref-property

:ref:`int<class_int>` **scroll_deadzone** = ``0``

.. rst-class:: classref-property-setget

- void **set_deadzone** **(** :ref:`int<class_int>` value **)**
- :ref:`int<class_int>` **get_deadzone** **(** **)**

.. container:: contribute

	There is currently no description for this property. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!

.. rst-class:: classref-item-separator

----

.. _class_ScrollContainer_property_scroll_horizontal:

.. rst-class:: classref-property

:ref:`int<class_int>` **scroll_horizontal** = ``0``

.. rst-class:: classref-property-setget

- void **set_h_scroll** **(** :ref:`int<class_int>` value **)**
- :ref:`int<class_int>` **get_h_scroll** **(** **)**

The current horizontal scroll value.

\ **Note:** If you are setting this value in the :ref:`Node._ready<class_Node_method__ready>` function or earlier, it needs to be wrapped with :ref:`Object.set_deferred<class_Object_method_set_deferred>`, since scroll bar's :ref:`Range.max_value<class_Range_property_max_value>` is not initialized yet.

::

    func _ready():
        set_deferred("scroll_horizontal", 600)

.. rst-class:: classref-item-separator

----

.. _class_ScrollContainer_property_scroll_horizontal_enabled:

.. rst-class:: classref-property

:ref:`bool<class_bool>` **scroll_horizontal_enabled** = ``true``

.. rst-class:: classref-property-setget

- void **set_enable_h_scroll** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **is_h_scroll_enabled** **(** **)**

If ``true``, enables horizontal scrolling.

.. rst-class:: classref-item-separator

----

.. _class_ScrollContainer_property_scroll_vertical:

.. rst-class:: classref-property

:ref:`int<class_int>` **scroll_vertical** = ``0``

.. rst-class:: classref-property-setget

- void **set_v_scroll** **(** :ref:`int<class_int>` value **)**
- :ref:`int<class_int>` **get_v_scroll** **(** **)**

The current vertical scroll value.

\ **Note:** Setting it early needs to be deferred, just like in :ref:`scroll_horizontal<class_ScrollContainer_property_scroll_horizontal>`.

::

    func _ready():
        set_deferred("scroll_vertical", 600)

.. rst-class:: classref-item-separator

----

.. _class_ScrollContainer_property_scroll_vertical_enabled:

.. rst-class:: classref-property

:ref:`bool<class_bool>` **scroll_vertical_enabled** = ``true``

.. rst-class:: classref-property-setget

- void **set_enable_v_scroll** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **is_v_scroll_enabled** **(** **)**

If ``true``, enables vertical scrolling.

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

Method Descriptions
-------------------

.. _class_ScrollContainer_method_ensure_control_visible:

.. rst-class:: classref-method

void **ensure_control_visible** **(** :ref:`Control<class_Control>` control **)**

Ensures the given ``control`` is visible (must be a direct or indirect child of the ScrollContainer). Used by :ref:`follow_focus<class_ScrollContainer_property_follow_focus>`.

\ **Note:** This will not work on a node that was just added during the same frame. If you want to scroll to a newly added child, you must wait until the next frame using :ref:`SceneTree.idle_frame<class_SceneTree_signal_idle_frame>`:

::

    add_child(child_node)
    yield(get_tree(), "idle_frame")
    ensure_control_visible(child_node)

.. rst-class:: classref-item-separator

----

.. _class_ScrollContainer_method_get_h_scrollbar:

.. rst-class:: classref-method

:ref:`HScrollBar<class_HScrollBar>` **get_h_scrollbar** **(** **)**

Returns the horizontal scrollbar :ref:`HScrollBar<class_HScrollBar>` of this **ScrollContainer**.

\ **Warning:** This is a required internal node, removing and freeing it may cause a crash. If you wish to disable the horizontal scrollbar, use :ref:`scroll_horizontal_enabled<class_ScrollContainer_property_scroll_horizontal_enabled>`. If you want to only hide it instead, use its :ref:`CanvasItem.visible<class_CanvasItem_property_visible>` property.

.. rst-class:: classref-item-separator

----

.. _class_ScrollContainer_method_get_v_scrollbar:

.. rst-class:: classref-method

:ref:`VScrollBar<class_VScrollBar>` **get_v_scrollbar** **(** **)**

Returns the vertical scrollbar :ref:`VScrollBar<class_VScrollBar>` of this **ScrollContainer**.

\ **Warning:** This is a required internal node, removing and freeing it may cause a crash. If you wish to disable the vertical scrollbar, use :ref:`scroll_vertical_enabled<class_ScrollContainer_property_scroll_vertical_enabled>`. If you want to only hide it instead, use its :ref:`CanvasItem.visible<class_CanvasItem_property_visible>` property.

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

Theme Property Descriptions
---------------------------

.. _class_ScrollContainer_theme_style_bg:

.. rst-class:: classref-themeproperty

:ref:`StyleBox<class_StyleBox>` **bg**

The background :ref:`StyleBox<class_StyleBox>` of the **ScrollContainer**.

.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`