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godot-docs/classes/class_button.rst
Godot Organization c39e8f8635 classref: Sync with current 4.0 branch (cfedb0a)
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.. DO NOT EDIT THIS FILE!!!
.. Generated automatically from Godot engine sources.
.. Generator: https://github.com/godotengine/godot/tree/4.0/doc/tools/make_rst.py.
.. XML source: https://github.com/godotengine/godot/tree/4.0/doc/classes/Button.xml.
.. _class_Button:
Button
======
**Inherits:** :ref:`BaseButton<class_BaseButton>` **<** :ref:`Control<class_Control>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
**Inherited By:** :ref:`CheckBox<class_CheckBox>`, :ref:`CheckButton<class_CheckButton>`, :ref:`ColorPickerButton<class_ColorPickerButton>`, :ref:`MenuButton<class_MenuButton>`, :ref:`OptionButton<class_OptionButton>`
A themed button that can contain text and an icon.
.. rst-class:: classref-introduction-group
Description
-----------
**Button** is the standard themed button. It can contain text and an icon, and it will display them according to the current :ref:`Theme<class_Theme>`.
\ **Example of creating a button and assigning an action when pressed by code:**\
.. tabs::
.. code-tab:: gdscript
func _ready():
var button = Button.new()
button.text = "Click me"
button.pressed.connect(self._button_pressed)
add_child(button)
func _button_pressed():
print("Hello world!")
.. code-tab:: csharp
public override void _Ready()
{
var button = new Button();
button.Text = "Click me";
button.Pressed += ButtonPressed;
AddChild(button);
}
private void ButtonPressed()
{
GD.Print("Hello world!");
}
See also :ref:`BaseButton<class_BaseButton>` which contains common properties and methods associated with this node.
\ **Note:** Buttons do not interpret touch input and therefore don't support multitouch, since mouse emulation can only press one button at a given time. Use :ref:`TouchScreenButton<class_TouchScreenButton>` for buttons that trigger gameplay movement or actions.
.. rst-class:: classref-introduction-group
Tutorials
---------
- `2D Dodge The Creeps Demo <https://godotengine.org/asset-library/asset/515>`__
- `OS Test Demo <https://godotengine.org/asset-library/asset/677>`__
.. rst-class:: classref-reftable-group
Properties
----------
.. table::
:widths: auto
+-------------------------------------------------------------------+---------------------------------------------------------------------------+-----------+
| :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` | :ref:`alignment<class_Button_property_alignment>` | ``1`` |
+-------------------------------------------------------------------+---------------------------------------------------------------------------+-----------+
| :ref:`bool<class_bool>` | :ref:`clip_text<class_Button_property_clip_text>` | ``false`` |
+-------------------------------------------------------------------+---------------------------------------------------------------------------+-----------+
| :ref:`bool<class_bool>` | :ref:`expand_icon<class_Button_property_expand_icon>` | ``false`` |
+-------------------------------------------------------------------+---------------------------------------------------------------------------+-----------+
| :ref:`bool<class_bool>` | :ref:`flat<class_Button_property_flat>` | ``false`` |
+-------------------------------------------------------------------+---------------------------------------------------------------------------+-----------+
| :ref:`Texture2D<class_Texture2D>` | :ref:`icon<class_Button_property_icon>` | |
+-------------------------------------------------------------------+---------------------------------------------------------------------------+-----------+
| :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` | :ref:`icon_alignment<class_Button_property_icon_alignment>` | ``0`` |
+-------------------------------------------------------------------+---------------------------------------------------------------------------+-----------+
| :ref:`String<class_String>` | :ref:`language<class_Button_property_language>` | ``""`` |
+-------------------------------------------------------------------+---------------------------------------------------------------------------+-----------+
| :ref:`String<class_String>` | :ref:`text<class_Button_property_text>` | ``""`` |
+-------------------------------------------------------------------+---------------------------------------------------------------------------+-----------+
| :ref:`TextDirection<enum_Control_TextDirection>` | :ref:`text_direction<class_Button_property_text_direction>` | ``0`` |
+-------------------------------------------------------------------+---------------------------------------------------------------------------+-----------+
| :ref:`OverrunBehavior<enum_TextServer_OverrunBehavior>` | :ref:`text_overrun_behavior<class_Button_property_text_overrun_behavior>` | ``0`` |
+-------------------------------------------------------------------+---------------------------------------------------------------------------+-----------+
.. rst-class:: classref-reftable-group
Theme Properties
----------------
.. table::
:widths: auto
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_color<class_Button_theme_color_font_color>` | ``Color(0.875, 0.875, 0.875, 1)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_disabled_color<class_Button_theme_color_font_disabled_color>` | ``Color(0.875, 0.875, 0.875, 0.5)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_focus_color<class_Button_theme_color_font_focus_color>` | ``Color(0.95, 0.95, 0.95, 1)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_hover_color<class_Button_theme_color_font_hover_color>` | ``Color(0.95, 0.95, 0.95, 1)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_hover_pressed_color<class_Button_theme_color_font_hover_pressed_color>` | ``Color(1, 1, 1, 1)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_outline_color<class_Button_theme_color_font_outline_color>` | ``Color(1, 1, 1, 1)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_pressed_color<class_Button_theme_color_font_pressed_color>` | ``Color(1, 1, 1, 1)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`icon_disabled_color<class_Button_theme_color_icon_disabled_color>` | ``Color(1, 1, 1, 0.4)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`icon_focus_color<class_Button_theme_color_icon_focus_color>` | ``Color(1, 1, 1, 1)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`icon_hover_color<class_Button_theme_color_icon_hover_color>` | ``Color(1, 1, 1, 1)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`icon_hover_pressed_color<class_Button_theme_color_icon_hover_pressed_color>` | ``Color(1, 1, 1, 1)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`icon_normal_color<class_Button_theme_color_icon_normal_color>` | ``Color(1, 1, 1, 1)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`icon_pressed_color<class_Button_theme_color_icon_pressed_color>` | ``Color(1, 1, 1, 1)`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`int<class_int>` | :ref:`h_separation<class_Button_theme_constant_h_separation>` | ``2`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`int<class_int>` | :ref:`outline_size<class_Button_theme_constant_outline_size>` | ``0`` |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Font<class_Font>` | :ref:`font<class_Button_theme_font_font>` | |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`int<class_int>` | :ref:`font_size<class_Button_theme_font_size_font_size>` | |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`StyleBox<class_StyleBox>` | :ref:`disabled<class_Button_theme_style_disabled>` | |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`StyleBox<class_StyleBox>` | :ref:`focus<class_Button_theme_style_focus>` | |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`StyleBox<class_StyleBox>` | :ref:`hover<class_Button_theme_style_hover>` | |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`StyleBox<class_StyleBox>` | :ref:`normal<class_Button_theme_style_normal>` | |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`StyleBox<class_StyleBox>` | :ref:`pressed<class_Button_theme_style_pressed>` | |
+---------------------------------+------------------------------------------------------------------------------------+-------------------------------------+
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Property Descriptions
---------------------
.. _class_Button_property_alignment:
.. rst-class:: classref-property
:ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` **alignment** = ``1``
.. rst-class:: classref-property-setget
- void **set_text_alignment** **(** :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` value **)**
- :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` **get_text_alignment** **(** **)**
Text alignment policy for the button's text, use one of the :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` constants.
.. rst-class:: classref-item-separator
----
.. _class_Button_property_clip_text:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **clip_text** = ``false``
.. rst-class:: classref-property-setget
- void **set_clip_text** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **get_clip_text** **(** **)**
When this property is enabled, text that is too large to fit the button is clipped, when disabled the Button will always be wide enough to hold the text.
.. rst-class:: classref-item-separator
----
.. _class_Button_property_expand_icon:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **expand_icon** = ``false``
.. rst-class:: classref-property-setget
- void **set_expand_icon** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **is_expand_icon** **(** **)**
When enabled, the button's icon will expand/shrink to fit the button's size while keeping its aspect.
.. rst-class:: classref-item-separator
----
.. _class_Button_property_flat:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **flat** = ``false``
.. rst-class:: classref-property-setget
- void **set_flat** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **is_flat** **(** **)**
Flat buttons don't display decoration.
.. rst-class:: classref-item-separator
----
.. _class_Button_property_icon:
.. rst-class:: classref-property
:ref:`Texture2D<class_Texture2D>` **icon**
.. rst-class:: classref-property-setget
- void **set_button_icon** **(** :ref:`Texture2D<class_Texture2D>` value **)**
- :ref:`Texture2D<class_Texture2D>` **get_button_icon** **(** **)**
Button's icon, if text is present the icon will be placed before the text.
To edit margin and spacing of the icon, use :ref:`h_separation<class_Button_theme_constant_h_separation>` theme property and ``content_margin_*`` properties of the used :ref:`StyleBox<class_StyleBox>`\ es.
.. rst-class:: classref-item-separator
----
.. _class_Button_property_icon_alignment:
.. rst-class:: classref-property
:ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` **icon_alignment** = ``0``
.. rst-class:: classref-property-setget
- void **set_icon_alignment** **(** :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` value **)**
- :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` **get_icon_alignment** **(** **)**
Specifies if the icon should be aligned to the left, right, or center of a button. Uses the same :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` constants as the text alignment. If centered, text will draw on top of the icon.
.. rst-class:: classref-item-separator
----
.. _class_Button_property_language:
.. rst-class:: classref-property
:ref:`String<class_String>` **language** = ``""``
.. rst-class:: classref-property-setget
- void **set_language** **(** :ref:`String<class_String>` value **)**
- :ref:`String<class_String>` **get_language** **(** **)**
Language code used for line-breaking and text shaping algorithms, if left empty current locale is used instead.
.. rst-class:: classref-item-separator
----
.. _class_Button_property_text:
.. rst-class:: classref-property
:ref:`String<class_String>` **text** = ``""``
.. rst-class:: classref-property-setget
- void **set_text** **(** :ref:`String<class_String>` value **)**
- :ref:`String<class_String>` **get_text** **(** **)**
The button's text that will be displayed inside the button's area.
.. rst-class:: classref-item-separator
----
.. _class_Button_property_text_direction:
.. rst-class:: classref-property
:ref:`TextDirection<enum_Control_TextDirection>` **text_direction** = ``0``
.. rst-class:: classref-property-setget
- void **set_text_direction** **(** :ref:`TextDirection<enum_Control_TextDirection>` value **)**
- :ref:`TextDirection<enum_Control_TextDirection>` **get_text_direction** **(** **)**
Base text writing direction.
.. rst-class:: classref-item-separator
----
.. _class_Button_property_text_overrun_behavior:
.. rst-class:: classref-property
:ref:`OverrunBehavior<enum_TextServer_OverrunBehavior>` **text_overrun_behavior** = ``0``
.. rst-class:: classref-property-setget
- void **set_text_overrun_behavior** **(** :ref:`OverrunBehavior<enum_TextServer_OverrunBehavior>` value **)**
- :ref:`OverrunBehavior<enum_TextServer_OverrunBehavior>` **get_text_overrun_behavior** **(** **)**
Sets the clipping behavior when the text exceeds the node's bounding rectangle. See :ref:`OverrunBehavior<enum_TextServer_OverrunBehavior>` for a description of all modes.
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Theme Property Descriptions
---------------------------
.. _class_Button_theme_color_font_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_color** = ``Color(0.875, 0.875, 0.875, 1)``
Default text :ref:`Color<class_Color>` of the **Button**.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_font_disabled_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_disabled_color** = ``Color(0.875, 0.875, 0.875, 0.5)``
Text :ref:`Color<class_Color>` used when the **Button** is disabled.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_font_focus_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_focus_color** = ``Color(0.95, 0.95, 0.95, 1)``
Text :ref:`Color<class_Color>` used when the **Button** is focused. Only replaces the normal text color of the button. Disabled, hovered, and pressed states take precedence over this color.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_font_hover_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_hover_color** = ``Color(0.95, 0.95, 0.95, 1)``
Text :ref:`Color<class_Color>` used when the **Button** is being hovered.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_font_hover_pressed_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_hover_pressed_color** = ``Color(1, 1, 1, 1)``
Text :ref:`Color<class_Color>` used when the **Button** is being hovered and pressed.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_font_outline_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_outline_color** = ``Color(1, 1, 1, 1)``
The tint of text outline of the **Button**.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_font_pressed_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_pressed_color** = ``Color(1, 1, 1, 1)``
Text :ref:`Color<class_Color>` used when the **Button** is being pressed.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_icon_disabled_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **icon_disabled_color** = ``Color(1, 1, 1, 0.4)``
Icon modulate :ref:`Color<class_Color>` used when the **Button** is disabled.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_icon_focus_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **icon_focus_color** = ``Color(1, 1, 1, 1)``
Icon modulate :ref:`Color<class_Color>` used when the **Button** is focused. Only replaces the normal modulate color of the button. Disabled, hovered, and pressed states take precedence over this color.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_icon_hover_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **icon_hover_color** = ``Color(1, 1, 1, 1)``
Icon modulate :ref:`Color<class_Color>` used when the **Button** is being hovered.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_icon_hover_pressed_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **icon_hover_pressed_color** = ``Color(1, 1, 1, 1)``
Icon modulate :ref:`Color<class_Color>` used when the **Button** is being hovered and pressed.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_icon_normal_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **icon_normal_color** = ``Color(1, 1, 1, 1)``
Default icon modulate :ref:`Color<class_Color>` of the **Button**.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_color_icon_pressed_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **icon_pressed_color** = ``Color(1, 1, 1, 1)``
Icon modulate :ref:`Color<class_Color>` used when the **Button** is being pressed.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_constant_h_separation:
.. rst-class:: classref-themeproperty
:ref:`int<class_int>` **h_separation** = ``2``
The horizontal space between **Button**'s icon and text. Negative values will be treated as ``0`` when used.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_constant_outline_size:
.. rst-class:: classref-themeproperty
:ref:`int<class_int>` **outline_size** = ``0``
The size of the text outline.
\ **Note:** If using a font with :ref:`FontFile.multichannel_signed_distance_field<class_FontFile_property_multichannel_signed_distance_field>` enabled, its :ref:`FontFile.msdf_pixel_range<class_FontFile_property_msdf_pixel_range>` must be set to at least *twice* the value of :ref:`outline_size<class_Button_theme_constant_outline_size>` for outline rendering to look correct. Otherwise, the outline may appear to be cut off earlier than intended.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_font_font:
.. rst-class:: classref-themeproperty
:ref:`Font<class_Font>` **font**
:ref:`Font<class_Font>` of the **Button**'s text.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_font_size_font_size:
.. rst-class:: classref-themeproperty
:ref:`int<class_int>` **font_size**
Font size of the **Button**'s text.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_style_disabled:
.. rst-class:: classref-themeproperty
:ref:`StyleBox<class_StyleBox>` **disabled**
:ref:`StyleBox<class_StyleBox>` used when the **Button** is disabled.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_style_focus:
.. rst-class:: classref-themeproperty
:ref:`StyleBox<class_StyleBox>` **focus**
:ref:`StyleBox<class_StyleBox>` used when the **Button** is focused. The ``focus`` :ref:`StyleBox<class_StyleBox>` is displayed *over* the base :ref:`StyleBox<class_StyleBox>`, so a partially transparent :ref:`StyleBox<class_StyleBox>` should be used to ensure the base :ref:`StyleBox<class_StyleBox>` remains visible. A :ref:`StyleBox<class_StyleBox>` that represents an outline or an underline works well for this purpose. To disable the focus visual effect, assign a :ref:`StyleBoxEmpty<class_StyleBoxEmpty>` resource. Note that disabling the focus visual effect will harm keyboard/controller navigation usability, so this is not recommended for accessibility reasons.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_style_hover:
.. rst-class:: classref-themeproperty
:ref:`StyleBox<class_StyleBox>` **hover**
:ref:`StyleBox<class_StyleBox>` used when the **Button** is being hovered.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_style_normal:
.. rst-class:: classref-themeproperty
:ref:`StyleBox<class_StyleBox>` **normal**
Default :ref:`StyleBox<class_StyleBox>` for the **Button**.
.. rst-class:: classref-item-separator
----
.. _class_Button_theme_style_pressed:
.. rst-class:: classref-themeproperty
:ref:`StyleBox<class_StyleBox>` **pressed**
:ref:`StyleBox<class_StyleBox>` used when the **Button** is being pressed.
.. |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.)`
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