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 container used to provide scrollbars to a child control when needed.

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

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

A container used to provide a child control with scrollbars when needed. 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.custom_minimum_size<class_Control_property_custom_minimum_size>` of the Control relative to the ScrollContainer.

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

Tutorials
---------

- :doc:`Using Containers <../tutorials/ui/gui_containers>`

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

Properties
----------

.. table::
   :widths: auto

   +----------------------------------------------------+----------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------+
   | :ref:`bool<class_bool>`                            | clip_contents                                                                                      | ``true`` (overrides :ref:`Control<class_Control_property_clip_contents>`) |
   +----------------------------------------------------+----------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------+
   | :ref:`bool<class_bool>`                            | :ref:`follow_focus<class_ScrollContainer_property_follow_focus>`                                   | ``false``                                                                 |
   +----------------------------------------------------+----------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------+
   | :ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` | :ref:`horizontal_scroll_mode<class_ScrollContainer_property_horizontal_scroll_mode>`               | ``1``                                                                     |
   +----------------------------------------------------+----------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------+
   | :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:`float<class_float>`                          | :ref:`scroll_horizontal_custom_step<class_ScrollContainer_property_scroll_horizontal_custom_step>` | ``-1.0``                                                                  |
   +----------------------------------------------------+----------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------+
   | :ref:`int<class_int>`                              | :ref:`scroll_vertical<class_ScrollContainer_property_scroll_vertical>`                             | ``0``                                                                     |
   +----------------------------------------------------+----------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------+
   | :ref:`float<class_float>`                          | :ref:`scroll_vertical_custom_step<class_ScrollContainer_property_scroll_vertical_custom_step>`     | ``-1.0``                                                                  |
   +----------------------------------------------------+----------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------+
   | :ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` | :ref:`vertical_scroll_mode<class_ScrollContainer_property_vertical_scroll_mode>`                   | ``1``                                                                     |
   +----------------------------------------------------+----------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------+

.. 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_scroll_bar<class_ScrollContainer_method_get_h_scroll_bar>` **(** **)**                                                   |
   +-------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`VScrollBar<class_VScrollBar>` | :ref:`get_v_scroll_bar<class_ScrollContainer_method_get_v_scroll_bar>` **(** **)**                                                   |
   +-------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------+

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

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

.. table::
   :widths: auto

   +---------------------------------+-------------------------------------------------------+
   | :ref:`StyleBox<class_StyleBox>` | :ref:`panel<class_ScrollContainer_theme_style_panel>` |
   +---------------------------------+-------------------------------------------------------+

.. 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

Enumerations
------------

.. _enum_ScrollContainer_ScrollMode:

.. rst-class:: classref-enumeration

enum **ScrollMode**:

.. _class_ScrollContainer_constant_SCROLL_MODE_DISABLED:

.. rst-class:: classref-enumeration-constant

:ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` **SCROLL_MODE_DISABLED** = ``0``

Scrolling disabled, scrollbar will be invisible.

.. _class_ScrollContainer_constant_SCROLL_MODE_AUTO:

.. rst-class:: classref-enumeration-constant

:ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` **SCROLL_MODE_AUTO** = ``1``

Scrolling enabled, scrollbar will be visible only if necessary, i.e. container's content is bigger than the container.

.. _class_ScrollContainer_constant_SCROLL_MODE_SHOW_ALWAYS:

.. rst-class:: classref-enumeration-constant

:ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` **SCROLL_MODE_SHOW_ALWAYS** = ``2``

Scrolling enabled, scrollbar will be always visible.

.. _class_ScrollContainer_constant_SCROLL_MODE_SHOW_NEVER:

.. rst-class:: classref-enumeration-constant

:ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` **SCROLL_MODE_SHOW_NEVER** = ``3``

Scrolling enabled, scrollbar will be hidden.

.. 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_horizontal_scroll_mode:

.. rst-class:: classref-property

:ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` **horizontal_scroll_mode** = ``1``

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

- void **set_horizontal_scroll_mode** **(** :ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` value **)**
- :ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` **get_horizontal_scroll_mode** **(** **)**

Controls whether horizontal scrollbar can be used and when it should be visible. See :ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` for options.

.. 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** **(** **)**

Deadzone for touch scrolling. Lower deadzone makes the scrolling more sensitive.

.. 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_custom_step:

.. rst-class:: classref-property

:ref:`float<class_float>` **scroll_horizontal_custom_step** = ``-1.0``

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

- void **set_horizontal_custom_step** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_horizontal_custom_step** **(** **)**

Overrides the :ref:`ScrollBar.custom_step<class_ScrollBar_property_custom_step>` used when clicking the internal scroll bar's horizontal increment and decrement buttons or when using arrow keys when the :ref:`ScrollBar<class_ScrollBar>` is focused.

.. 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_custom_step:

.. rst-class:: classref-property

:ref:`float<class_float>` **scroll_vertical_custom_step** = ``-1.0``

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

- void **set_vertical_custom_step** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_vertical_custom_step** **(** **)**

Overrides the :ref:`ScrollBar.custom_step<class_ScrollBar_property_custom_step>` used when clicking the internal scroll bar's vertical increment and decrement buttons or when using arrow keys when the :ref:`ScrollBar<class_ScrollBar>` is focused.

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

----

.. _class_ScrollContainer_property_vertical_scroll_mode:

.. rst-class:: classref-property

:ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` **vertical_scroll_mode** = ``1``

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

- void **set_vertical_scroll_mode** **(** :ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` value **)**
- :ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` **get_vertical_scroll_mode** **(** **)**

Controls whether vertical scrollbar can be used and when it should be visible. See :ref:`ScrollMode<enum_ScrollContainer_ScrollMode>` for options.

.. 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.process_frame<class_SceneTree_signal_process_frame>`:

::

    add_child(child_node)
    await get_tree().process_frame
    ensure_control_visible(child_node)

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

----

.. _class_ScrollContainer_method_get_h_scroll_bar:

.. rst-class:: classref-method

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

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 or hide a scrollbar, you can use :ref:`horizontal_scroll_mode<class_ScrollContainer_property_horizontal_scroll_mode>`.

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

----

.. _class_ScrollContainer_method_get_v_scroll_bar:

.. rst-class:: classref-method

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

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 or hide a scrollbar, you can use :ref:`vertical_scroll_mode<class_ScrollContainer_property_vertical_scroll_mode>`.

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

----

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

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

.. _class_ScrollContainer_theme_style_panel:

.. rst-class:: classref-themeproperty

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

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.)`
.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
.. |bitfield| replace:: :abbr:`BitField (This value is an integer composed as a bitmask of the following flags.)`