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129 lines
5.1 KiB
ReStructuredText
129 lines
5.1 KiB
ReStructuredText
:github_url: hide
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.. meta::
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:keywords: radio
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.. _class_ButtonGroup:
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ButtonGroup
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===========
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**繼承：** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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不允許同時按下多個按鈕的按鈕的一個群組。
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.. rst-class:: classref-introduction-group
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說明
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----
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:ref:`BaseButton<class_BaseButton>` 衍生按鈕的群組。\ **ButtonGroup** 中的按鈕被視為選項按鈕：同一時間最多只能按下一個按鈕。某些型別的按鈕（例如 :ref:`CheckBox<class_CheckBox>`\ ）在該狀態下可能會有特殊的外觀。
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\ **ButtonGroup** 的每個成員都應該將 :ref:`BaseButton.toggle_mode<class_BaseButton_property_toggle_mode>` 設定為 ``true``\ 。
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.. rst-class:: classref-reftable-group
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屬性
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----
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.. table::
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:widths: auto
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+-------------------------+----------------------------------------------------------------+---------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`allow_unpress<class_ButtonGroup_property_allow_unpress>` | ``false`` |
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+-------------------------+----------------------------------------------------------------+---------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | resource_local_to_scene | ``true`` (overrides :ref:`Resource<class_Resource_property_resource_local_to_scene>`) |
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+-------------------------+----------------------------------------------------------------+---------------------------------------------------------------------------------------+
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.. rst-class:: classref-reftable-group
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方法
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----
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.. table::
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:widths: auto
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+------------------------------------------------------------------+------------------------------------------------------------------------------+
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| :ref:`Array<class_Array>`\[:ref:`BaseButton<class_BaseButton>`\] | :ref:`get_buttons<class_ButtonGroup_method_get_buttons>`\ (\ ) |
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+------------------------------------------------------------------+------------------------------------------------------------------------------+
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| :ref:`BaseButton<class_BaseButton>` | :ref:`get_pressed_button<class_ButtonGroup_method_get_pressed_button>`\ (\ ) |
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+------------------------------------------------------------------+------------------------------------------------------------------------------+
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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訊號
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----
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.. _class_ButtonGroup_signal_pressed:
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.. rst-class:: classref-signal
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**pressed**\ (\ button\: :ref:`BaseButton<class_BaseButton>`\ ) :ref:`🔗<class_ButtonGroup_signal_pressed>`
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當該組中的某個按鈕被按下時發出。
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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屬性說明
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--------
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.. _class_ButtonGroup_property_allow_unpress:
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.. rst-class:: classref-property
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:ref:`bool<class_bool>` **allow_unpress** = ``false`` :ref:`🔗<class_ButtonGroup_property_allow_unpress>`
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.. rst-class:: classref-property-setget
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- |void| **set_allow_unpress**\ (\ value\: :ref:`bool<class_bool>`\ )
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- :ref:`bool<class_bool>` **is_allow_unpress**\ (\ )
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如果為 ``true``\ ，則可以取消按下該 **ButtonGroup** 中的所有按鈕。
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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方法說明
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--------
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.. _class_ButtonGroup_method_get_buttons:
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.. rst-class:: classref-method
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:ref:`Array<class_Array>`\[:ref:`BaseButton<class_BaseButton>`\] **get_buttons**\ (\ ) :ref:`🔗<class_ButtonGroup_method_get_buttons>`
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返回元素型別為 :ref:`Button<class_Button>` 的 :ref:`Array<class_Array>`\ ，這些 :ref:`Button<class_Button>` 將其作為 **ButtonGroup**\ （見 :ref:`BaseButton.button_group<class_BaseButton_property_button_group>`\ ）。
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.. rst-class:: classref-item-separator
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----
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.. _class_ButtonGroup_method_get_pressed_button:
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.. rst-class:: classref-method
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:ref:`BaseButton<class_BaseButton>` **get_pressed_button**\ (\ ) :ref:`🔗<class_ButtonGroup_method_get_pressed_button>`
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返回目前按下的按鈕。
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.. |virtual| replace:: :abbr:`virtual (本方法通常需要使用者覆寫才能生效。)`
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.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
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.. |const| replace:: :abbr:`const (本方法沒有副作用。不會修改該實例的任何成員變數。)`
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.. |vararg| replace:: :abbr:`vararg (本方法除了這裡描述的參數外，還可以接受任意數量的參數。)`
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.. |constructor| replace:: :abbr:`constructor (本方法用於建構一個型別。)`
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.. |static| replace:: :abbr:`static (本方法無需實例即可呼叫，因此可以直接使用類別名稱呼叫。)`
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.. |operator| replace:: :abbr:`operator (本方法描述將本型別作為左運算元時可用的有效運算子。)`
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.. |bitfield| replace:: :abbr:`BitField (此值是由下列旗標組成的位元遮罩整數。)`
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.. |void| replace:: :abbr:`void (無回傳值。)`
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