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313 lines
12 KiB
ReStructuredText
313 lines
12 KiB
ReStructuredText
:github_url: hide
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.. DO NOT EDIT THIS FILE!!!
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.. Generated automatically from Godot engine sources.
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.. Generator: https://github.com/godotengine/godot/tree/master/doc/tools/make_rst.py.
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.. XML source: https://github.com/godotengine/godot/tree/master/doc/classes/TouchScreenButton.xml.
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.. _class_TouchScreenButton:
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TouchScreenButton
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=================
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**继承：** :ref:`Node2D<class_Node2D>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
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触摸屏设备的按钮，供游戏使用。
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.. rst-class:: classref-introduction-group
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描述
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----
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TouchScreenButton 允许你为触摸设备创建屏幕上的按钮。其为游戏使用，比如在必须触摸才能移动的设备。与 :ref:`Button<class_Button>` 不同，TouchScreenButton 原生支持多点触摸。几个 TouchScreenButton 可以通过触摸输入同时被按下。
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这个节点继承自 :ref:`Node2D<class_Node2D>`\ 。与 :ref:`Control<class_Control>` 节点不同，你不能在它上面设置锚点。如果要创建菜单或用户界面，可用 :ref:`Button<class_Button>` 节点代替。为了使按钮节点对触摸事件作出反应，可在项目设置中启用模拟鼠标选项。
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可将 TouchScreenButton 配置为只在触摸设备上可见，有助你同时为桌面和移动设备开发游戏。
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.. rst-class:: classref-reftable-group
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属性
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----
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.. table::
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:widths: auto
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+--------------------------------------------------------------+--------------------------------------------------------------------------+-----------+
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| :ref:`String<class_String>` | :ref:`action<class_TouchScreenButton_property_action>` | ``""`` |
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+--------------------------------------------------------------+--------------------------------------------------------------------------+-----------+
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| :ref:`BitMap<class_BitMap>` | :ref:`bitmask<class_TouchScreenButton_property_bitmask>` | |
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+--------------------------------------------------------------+--------------------------------------------------------------------------+-----------+
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| :ref:`bool<class_bool>` | :ref:`passby_press<class_TouchScreenButton_property_passby_press>` | ``false`` |
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+--------------------------------------------------------------+--------------------------------------------------------------------------+-----------+
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| :ref:`Shape2D<class_Shape2D>` | :ref:`shape<class_TouchScreenButton_property_shape>` | |
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+--------------------------------------------------------------+--------------------------------------------------------------------------+-----------+
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| :ref:`bool<class_bool>` | :ref:`shape_centered<class_TouchScreenButton_property_shape_centered>` | ``true`` |
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+--------------------------------------------------------------+--------------------------------------------------------------------------+-----------+
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| :ref:`bool<class_bool>` | :ref:`shape_visible<class_TouchScreenButton_property_shape_visible>` | ``true`` |
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+--------------------------------------------------------------+--------------------------------------------------------------------------+-----------+
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| :ref:`Texture2D<class_Texture2D>` | :ref:`texture_normal<class_TouchScreenButton_property_texture_normal>` | |
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+--------------------------------------------------------------+--------------------------------------------------------------------------+-----------+
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| :ref:`Texture2D<class_Texture2D>` | :ref:`texture_pressed<class_TouchScreenButton_property_texture_pressed>` | |
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+--------------------------------------------------------------+--------------------------------------------------------------------------+-----------+
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| :ref:`VisibilityMode<enum_TouchScreenButton_VisibilityMode>` | :ref:`visibility_mode<class_TouchScreenButton_property_visibility_mode>` | ``0`` |
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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:`bool<class_bool>` | :ref:`is_pressed<class_TouchScreenButton_method_is_pressed>`\ (\ ) |const| |
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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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信号
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----
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.. _class_TouchScreenButton_signal_pressed:
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.. rst-class:: classref-signal
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**pressed**\ (\ ) :ref:`🔗<class_TouchScreenButton_signal_pressed>`
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当按钮被按下时触发，即向下。
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.. rst-class:: classref-item-separator
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----
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.. _class_TouchScreenButton_signal_released:
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.. rst-class:: classref-signal
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**released**\ (\ ) :ref:`🔗<class_TouchScreenButton_signal_released>`
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当按钮被释放时触发，即向上。
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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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枚举
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----
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.. _enum_TouchScreenButton_VisibilityMode:
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.. rst-class:: classref-enumeration
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enum **VisibilityMode**: :ref:`🔗<enum_TouchScreenButton_VisibilityMode>`
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.. _class_TouchScreenButton_constant_VISIBILITY_ALWAYS:
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.. rst-class:: classref-enumeration-constant
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:ref:`VisibilityMode<enum_TouchScreenButton_VisibilityMode>` **VISIBILITY_ALWAYS** = ``0``
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始终可见。
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.. _class_TouchScreenButton_constant_VISIBILITY_TOUCHSCREEN_ONLY:
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.. rst-class:: classref-enumeration-constant
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:ref:`VisibilityMode<enum_TouchScreenButton_VisibilityMode>` **VISIBILITY_TOUCHSCREEN_ONLY** = ``1``
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仅在触摸屏上可以看到。
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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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属性说明
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--------
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.. _class_TouchScreenButton_property_action:
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.. rst-class:: classref-property
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:ref:`String<class_String>` **action** = ``""`` :ref:`🔗<class_TouchScreenButton_property_action>`
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.. rst-class:: classref-property-setget
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- |void| **set_action**\ (\ value\: :ref:`String<class_String>`\ )
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- :ref:`String<class_String>` **get_action**\ (\ )
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按钮的动作。动作可以用 :ref:`InputEventAction<class_InputEventAction>` 来处理。
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.. rst-class:: classref-item-separator
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----
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.. _class_TouchScreenButton_property_bitmask:
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.. rst-class:: classref-property
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:ref:`BitMap<class_BitMap>` **bitmask** :ref:`🔗<class_TouchScreenButton_property_bitmask>`
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.. rst-class:: classref-property-setget
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- |void| **set_bitmask**\ (\ value\: :ref:`BitMap<class_BitMap>`\ )
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- :ref:`BitMap<class_BitMap>` **get_bitmask**\ (\ )
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按钮的位掩码。
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.. rst-class:: classref-item-separator
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----
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.. _class_TouchScreenButton_property_passby_press:
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.. rst-class:: classref-property
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:ref:`bool<class_bool>` **passby_press** = ``false`` :ref:`🔗<class_TouchScreenButton_property_passby_press>`
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.. rst-class:: classref-property-setget
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- |void| **set_passby_press**\ (\ value\: :ref:`bool<class_bool>`\ )
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- :ref:`bool<class_bool>` **is_passby_press_enabled**\ (\ )
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如果为 ``true``\ ，只要按下的手指进出按钮，就会发出 :ref:`pressed<class_TouchScreenButton_signal_pressed>` 和 :ref:`released<class_TouchScreenButton_signal_released>` 信号，即使压力开始于按钮的有效区域之外。
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\ **注意：**\ 这是一种“pass-by”的按压模式 ，而不是“bypass”。
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.. rst-class:: classref-item-separator
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----
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.. _class_TouchScreenButton_property_shape:
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.. rst-class:: classref-property
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:ref:`Shape2D<class_Shape2D>` **shape** :ref:`🔗<class_TouchScreenButton_property_shape>`
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.. rst-class:: classref-property-setget
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- |void| **set_shape**\ (\ value\: :ref:`Shape2D<class_Shape2D>`\ )
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- :ref:`Shape2D<class_Shape2D>` **get_shape**\ (\ )
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该按钮的形状。
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.. rst-class:: classref-item-separator
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----
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.. _class_TouchScreenButton_property_shape_centered:
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.. rst-class:: classref-property
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:ref:`bool<class_bool>` **shape_centered** = ``true`` :ref:`🔗<class_TouchScreenButton_property_shape_centered>`
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.. rst-class:: classref-property-setget
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- |void| **set_shape_centered**\ (\ value\: :ref:`bool<class_bool>`\ )
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- :ref:`bool<class_bool>` **is_shape_centered**\ (\ )
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如果为 ``true``\ ，按钮的形状会在提供的纹理中居中。如果没有使用纹理，这个属性就没有效果。
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.. rst-class:: classref-item-separator
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----
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.. _class_TouchScreenButton_property_shape_visible:
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.. rst-class:: classref-property
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:ref:`bool<class_bool>` **shape_visible** = ``true`` :ref:`🔗<class_TouchScreenButton_property_shape_visible>`
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.. rst-class:: classref-property-setget
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- |void| **set_shape_visible**\ (\ value\: :ref:`bool<class_bool>`\ )
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- :ref:`bool<class_bool>` **is_shape_visible**\ (\ )
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如果为 ``true``\ ，则该按钮的形状在编辑器中可见。
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.. rst-class:: classref-item-separator
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----
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.. _class_TouchScreenButton_property_texture_normal:
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.. rst-class:: classref-property
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:ref:`Texture2D<class_Texture2D>` **texture_normal** :ref:`🔗<class_TouchScreenButton_property_texture_normal>`
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.. rst-class:: classref-property-setget
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- |void| **set_texture_normal**\ (\ value\: :ref:`Texture2D<class_Texture2D>`\ )
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- :ref:`Texture2D<class_Texture2D>` **get_texture_normal**\ (\ )
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该按钮在正常状态下的纹理。
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.. rst-class:: classref-item-separator
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----
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.. _class_TouchScreenButton_property_texture_pressed:
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.. rst-class:: classref-property
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:ref:`Texture2D<class_Texture2D>` **texture_pressed** :ref:`🔗<class_TouchScreenButton_property_texture_pressed>`
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.. rst-class:: classref-property-setget
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- |void| **set_texture_pressed**\ (\ value\: :ref:`Texture2D<class_Texture2D>`\ )
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- :ref:`Texture2D<class_Texture2D>` **get_texture_pressed**\ (\ )
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按钮在被按下状态时的纹理。
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.. rst-class:: classref-item-separator
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----
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.. _class_TouchScreenButton_property_visibility_mode:
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.. rst-class:: classref-property
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:ref:`VisibilityMode<enum_TouchScreenButton_VisibilityMode>` **visibility_mode** = ``0`` :ref:`🔗<class_TouchScreenButton_property_visibility_mode>`
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.. rst-class:: classref-property-setget
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- |void| **set_visibility_mode**\ (\ value\: :ref:`VisibilityMode<enum_TouchScreenButton_VisibilityMode>`\ )
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- :ref:`VisibilityMode<enum_TouchScreenButton_VisibilityMode>` **get_visibility_mode**\ (\ )
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按钮的可见性模式。可能的取值见 :ref:`VisibilityMode<enum_TouchScreenButton_VisibilityMode>`\ 。
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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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方法说明
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--------
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.. _class_TouchScreenButton_method_is_pressed:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **is_pressed**\ (\ ) |const| :ref:`🔗<class_TouchScreenButton_method_is_pressed>`
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如果这个按钮当前被按下，则返回 ``true``\ 。
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.. |virtual| replace:: :abbr:`virtual (本方法通常需要用户覆盖才能生效。)`
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.. |const| replace:: :abbr:`const (本方法无副作用，不会修改该实例的任何成员变量。)`
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.. |vararg| replace:: :abbr:`vararg (本方法除了能接受在此处描述的参数外，还能够继续接受任意数量的参数。)`
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.. |constructor| replace:: :abbr:`constructor (本方法用于构造某个类型。)`
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.. |static| replace:: :abbr:`static (调用本方法无需实例，可直接使用类名进行调用。)`
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.. |operator| replace:: :abbr:`operator (本方法描述的是使用本类型作为左操作数的有效运算符。)`
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.. |bitfield| replace:: :abbr:`BitField (这个值是由下列位标志构成位掩码的整数。)`
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.. |void| replace:: :abbr:`void (无返回值。)`
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