class_optionbutton.rst 19 KB

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  1. :github_url: hide
  2. .. Generated automatically by doc/tools/makerst.py in Godot's source tree.
  3. .. DO NOT EDIT THIS FILE, but the OptionButton.xml source instead.
  4. .. The source is found in doc/classes or modules/<name>/doc_classes.
  5. .. _class_OptionButton:
  6. OptionButton
  7. ============
  8. **Inherits:** :ref:`Button<class_Button>` **<** :ref:`BaseButton<class_BaseButton>` **<** :ref:`Control<class_Control>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
  9. Button control that provides selectable options when pressed.
  10. Description
  11. -----------
  12. OptionButton is a type button that provides a selectable list of items when pressed. The item selected becomes the "current" item and is displayed as the button text.
  13. See also :ref:`BaseButton<class_BaseButton>` which contains common properties and methods associated with this node.
  14. Properties
  15. ----------
  16. +-----------------------------------------------+-------------------------------------------------------+------------------------------+
  17. | :ref:`ActionMode<enum_BaseButton_ActionMode>` | action_mode | ``0`` *(parent override)* |
  18. +-----------------------------------------------+-------------------------------------------------------+------------------------------+
  19. | :ref:`TextAlign<enum_Button_TextAlign>` | align | ``0`` *(parent override)* |
  20. +-----------------------------------------------+-------------------------------------------------------+------------------------------+
  21. | :ref:`int<class_int>` | :ref:`selected<class_OptionButton_property_selected>` | ``-1`` |
  22. +-----------------------------------------------+-------------------------------------------------------+------------------------------+
  23. | :ref:`bool<class_bool>` | toggle_mode | ``true`` *(parent override)* |
  24. +-----------------------------------------------+-------------------------------------------------------+------------------------------+
  25. Methods
  26. -------
  27. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  28. | void | :ref:`add_icon_item<class_OptionButton_method_add_icon_item>` **(** :ref:`Texture<class_Texture>` texture, :ref:`String<class_String>` label, :ref:`int<class_int>` id=-1 **)** |
  29. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  30. | void | :ref:`add_item<class_OptionButton_method_add_item>` **(** :ref:`String<class_String>` label, :ref:`int<class_int>` id=-1 **)** |
  31. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  32. | void | :ref:`add_separator<class_OptionButton_method_add_separator>` **(** **)** |
  33. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  34. | void | :ref:`clear<class_OptionButton_method_clear>` **(** **)** |
  35. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  36. | :ref:`int<class_int>` | :ref:`get_item_count<class_OptionButton_method_get_item_count>` **(** **)** |const| |
  37. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  38. | :ref:`Texture<class_Texture>` | :ref:`get_item_icon<class_OptionButton_method_get_item_icon>` **(** :ref:`int<class_int>` idx **)** |const| |
  39. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  40. | :ref:`int<class_int>` | :ref:`get_item_id<class_OptionButton_method_get_item_id>` **(** :ref:`int<class_int>` idx **)** |const| |
  41. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  42. | :ref:`int<class_int>` | :ref:`get_item_index<class_OptionButton_method_get_item_index>` **(** :ref:`int<class_int>` id **)** |const| |
  43. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  44. | :ref:`Variant<class_Variant>` | :ref:`get_item_metadata<class_OptionButton_method_get_item_metadata>` **(** :ref:`int<class_int>` idx **)** |const| |
  45. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  46. | :ref:`String<class_String>` | :ref:`get_item_text<class_OptionButton_method_get_item_text>` **(** :ref:`int<class_int>` idx **)** |const| |
  47. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  48. | :ref:`PopupMenu<class_PopupMenu>` | :ref:`get_popup<class_OptionButton_method_get_popup>` **(** **)** |const| |
  49. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  50. | :ref:`int<class_int>` | :ref:`get_selected_id<class_OptionButton_method_get_selected_id>` **(** **)** |const| |
  51. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  52. | :ref:`Variant<class_Variant>` | :ref:`get_selected_metadata<class_OptionButton_method_get_selected_metadata>` **(** **)** |const| |
  53. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  54. | :ref:`bool<class_bool>` | :ref:`is_item_disabled<class_OptionButton_method_is_item_disabled>` **(** :ref:`int<class_int>` idx **)** |const| |
  55. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  56. | void | :ref:`remove_item<class_OptionButton_method_remove_item>` **(** :ref:`int<class_int>` idx **)** |
  57. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  58. | void | :ref:`select<class_OptionButton_method_select>` **(** :ref:`int<class_int>` idx **)** |
  59. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  60. | void | :ref:`set_item_disabled<class_OptionButton_method_set_item_disabled>` **(** :ref:`int<class_int>` idx, :ref:`bool<class_bool>` disabled **)** |
  61. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  62. | void | :ref:`set_item_icon<class_OptionButton_method_set_item_icon>` **(** :ref:`int<class_int>` idx, :ref:`Texture<class_Texture>` texture **)** |
  63. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  64. | void | :ref:`set_item_id<class_OptionButton_method_set_item_id>` **(** :ref:`int<class_int>` idx, :ref:`int<class_int>` id **)** |
  65. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  66. | void | :ref:`set_item_metadata<class_OptionButton_method_set_item_metadata>` **(** :ref:`int<class_int>` idx, :ref:`Variant<class_Variant>` metadata **)** |
  67. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  68. | void | :ref:`set_item_text<class_OptionButton_method_set_item_text>` **(** :ref:`int<class_int>` idx, :ref:`String<class_String>` text **)** |
  69. +-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  70. Theme Properties
  71. ----------------
  72. +---------------------------------+---------------------+------------------------------+
  73. | :ref:`Texture<class_Texture>` | arrow | |
  74. +---------------------------------+---------------------+------------------------------+
  75. | :ref:`int<class_int>` | arrow_margin | 2 |
  76. +---------------------------------+---------------------+------------------------------+
  77. | :ref:`StyleBox<class_StyleBox>` | disabled | |
  78. +---------------------------------+---------------------+------------------------------+
  79. | :ref:`StyleBox<class_StyleBox>` | focus | |
  80. +---------------------------------+---------------------+------------------------------+
  81. | :ref:`Font<class_Font>` | font | |
  82. +---------------------------------+---------------------+------------------------------+
  83. | :ref:`Color<class_Color>` | font_color | Color( 0.88, 0.88, 0.88, 1 ) |
  84. +---------------------------------+---------------------+------------------------------+
  85. | :ref:`Color<class_Color>` | font_color_disabled | Color( 0.9, 0.9, 0.9, 0.2 ) |
  86. +---------------------------------+---------------------+------------------------------+
  87. | :ref:`Color<class_Color>` | font_color_hover | Color( 0.94, 0.94, 0.94, 1 ) |
  88. +---------------------------------+---------------------+------------------------------+
  89. | :ref:`Color<class_Color>` | font_color_pressed | Color( 1, 1, 1, 1 ) |
  90. +---------------------------------+---------------------+------------------------------+
  91. | :ref:`StyleBox<class_StyleBox>` | hover | |
  92. +---------------------------------+---------------------+------------------------------+
  93. | :ref:`int<class_int>` | hseparation | 2 |
  94. +---------------------------------+---------------------+------------------------------+
  95. | :ref:`StyleBox<class_StyleBox>` | normal | |
  96. +---------------------------------+---------------------+------------------------------+
  97. | :ref:`StyleBox<class_StyleBox>` | pressed | |
  98. +---------------------------------+---------------------+------------------------------+
  99. Signals
  100. -------
  101. .. _class_OptionButton_signal_item_focused:
  102. - **item_focused** **(** :ref:`int<class_int>` index **)**
  103. Emitted when the user navigates to an item using the ``ui_up`` or ``ui_down`` actions. The index of the item selected is passed as argument.
  104. ----
  105. .. _class_OptionButton_signal_item_selected:
  106. - **item_selected** **(** :ref:`int<class_int>` index **)**
  107. Emitted when the current item has been changed by the user. The index of the item selected is passed as argument.
  108. Property Descriptions
  109. ---------------------
  110. .. _class_OptionButton_property_selected:
  111. - :ref:`int<class_int>` **selected**
  112. +-----------+----------------+
  113. | *Default* | ``-1`` |
  114. +-----------+----------------+
  115. | *Getter* | get_selected() |
  116. +-----------+----------------+
  117. The index of the currently selected item, or ``-1`` if no item is selected.
  118. Method Descriptions
  119. -------------------
  120. .. _class_OptionButton_method_add_icon_item:
  121. - void **add_icon_item** **(** :ref:`Texture<class_Texture>` texture, :ref:`String<class_String>` label, :ref:`int<class_int>` id=-1 **)**
  122. Adds an item, with a ``texture`` icon, text ``label`` and (optionally) ``id``. If no ``id`` is passed, the item index will be used as the item's ID. New items are appended at the end.
  123. ----
  124. .. _class_OptionButton_method_add_item:
  125. - void **add_item** **(** :ref:`String<class_String>` label, :ref:`int<class_int>` id=-1 **)**
  126. Adds an item, with text ``label`` and (optionally) ``id``. If no ``id`` is passed, the item index will be used as the item's ID. New items are appended at the end.
  127. ----
  128. .. _class_OptionButton_method_add_separator:
  129. - void **add_separator** **(** **)**
  130. Adds a separator to the list of items. Separators help to group items. Separator also takes up an index and is appended at the end.
  131. ----
  132. .. _class_OptionButton_method_clear:
  133. - void **clear** **(** **)**
  134. Clears all the items in the ``OptionButton``.
  135. ----
  136. .. _class_OptionButton_method_get_item_count:
  137. - :ref:`int<class_int>` **get_item_count** **(** **)** |const|
  138. Returns the amount of items in the OptionButton, including separators.
  139. ----
  140. .. _class_OptionButton_method_get_item_icon:
  141. - :ref:`Texture<class_Texture>` **get_item_icon** **(** :ref:`int<class_int>` idx **)** |const|
  142. Returns the icon of the item at index ``idx``.
  143. ----
  144. .. _class_OptionButton_method_get_item_id:
  145. - :ref:`int<class_int>` **get_item_id** **(** :ref:`int<class_int>` idx **)** |const|
  146. Returns the ID of the item at index ``idx``.
  147. ----
  148. .. _class_OptionButton_method_get_item_index:
  149. - :ref:`int<class_int>` **get_item_index** **(** :ref:`int<class_int>` id **)** |const|
  150. Returns the index of the item with the given ``id``.
  151. ----
  152. .. _class_OptionButton_method_get_item_metadata:
  153. - :ref:`Variant<class_Variant>` **get_item_metadata** **(** :ref:`int<class_int>` idx **)** |const|
  154. Retrieves the metadata of an item. Metadata may be any type and can be used to store extra information about an item, such as an external string ID.
  155. ----
  156. .. _class_OptionButton_method_get_item_text:
  157. - :ref:`String<class_String>` **get_item_text** **(** :ref:`int<class_int>` idx **)** |const|
  158. Returns the text of the item at index ``idx``.
  159. ----
  160. .. _class_OptionButton_method_get_popup:
  161. - :ref:`PopupMenu<class_PopupMenu>` **get_popup** **(** **)** |const|
  162. Returns the :ref:`PopupMenu<class_PopupMenu>` contained in this button.
  163. ----
  164. .. _class_OptionButton_method_get_selected_id:
  165. - :ref:`int<class_int>` **get_selected_id** **(** **)** |const|
  166. Returns the ID of the selected item, or ``0`` if no item is selected.
  167. ----
  168. .. _class_OptionButton_method_get_selected_metadata:
  169. - :ref:`Variant<class_Variant>` **get_selected_metadata** **(** **)** |const|
  170. Gets the metadata of the selected item. Metadata for items can be set using :ref:`set_item_metadata<class_OptionButton_method_set_item_metadata>`.
  171. ----
  172. .. _class_OptionButton_method_is_item_disabled:
  173. - :ref:`bool<class_bool>` **is_item_disabled** **(** :ref:`int<class_int>` idx **)** |const|
  174. Returns ``true`` if the item at index ``idx`` is disabled.
  175. ----
  176. .. _class_OptionButton_method_remove_item:
  177. - void **remove_item** **(** :ref:`int<class_int>` idx **)**
  178. Removes the item at index ``idx``.
  179. ----
  180. .. _class_OptionButton_method_select:
  181. - void **select** **(** :ref:`int<class_int>` idx **)**
  182. Selects an item by index and makes it the current item. This will work even if the item is disabled.
  183. ----
  184. .. _class_OptionButton_method_set_item_disabled:
  185. - void **set_item_disabled** **(** :ref:`int<class_int>` idx, :ref:`bool<class_bool>` disabled **)**
  186. Sets whether the item at index ``idx`` is disabled.
  187. Disabled items are drawn differently in the dropdown and are not selectable by the user. If the current selected item is set as disabled, it will remain selected.
  188. ----
  189. .. _class_OptionButton_method_set_item_icon:
  190. - void **set_item_icon** **(** :ref:`int<class_int>` idx, :ref:`Texture<class_Texture>` texture **)**
  191. Sets the icon of the item at index ``idx``.
  192. ----
  193. .. _class_OptionButton_method_set_item_id:
  194. - void **set_item_id** **(** :ref:`int<class_int>` idx, :ref:`int<class_int>` id **)**
  195. Sets the ID of the item at index ``idx``.
  196. ----
  197. .. _class_OptionButton_method_set_item_metadata:
  198. - void **set_item_metadata** **(** :ref:`int<class_int>` idx, :ref:`Variant<class_Variant>` metadata **)**
  199. Sets the metadata of an item. Metadata may be of any type and can be used to store extra information about an item, such as an external string ID.
  200. ----
  201. .. _class_OptionButton_method_set_item_text:
  202. - void **set_item_text** **(** :ref:`int<class_int>` idx, :ref:`String<class_String>` text **)**
  203. Sets the text of the item at index ``idx``.
  204. .. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
  205. .. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
  206. .. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`