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godot-docs-l10n/classes/zh_CN/class_lineedit.rst

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.. meta::
:keywords: text, input
.. DO NOT EDIT THIS FILE!!!
.. Generated automatically from Godot engine sources.
.. Generator: https://github.com/godotengine/godot/tree/master/doc/tools/make_rst.py.
.. XML source: https://github.com/godotengine/godot/tree/master/doc/classes/LineEdit.xml.
.. _class_LineEdit:
LineEdit
========
**继承：** :ref:`Control<class_Control>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
单行文本的输入字段。
.. rst-class:: classref-introduction-group
描述
----
**LineEdit** 提供了一个单行文本的输入字段，提供了许多始终可用的内置快捷键（此处的 :kbd:`Ctrl` 在 macOS 上会映射到 :kbd:`Cmd`\ ）：
- :kbd:`Ctrl + C`\ ：复制
- :kbd:`Ctrl + X`\ ：剪切
- :kbd:`Ctrl + V` 或 :kbd:`Ctrl + Y`\ ：粘贴/“拉扯”n
- :kbd:`Ctrl + Z`\ ：撤销
- :kbd:`Ctrl + ~`\ ：交换输入方向
- :kbd:`Ctrl + Shift + Z`\ ：重做
- :kbd:`Ctrl + U`\ ：删除从文本光标位置到行首的文本
- :kbd:`Ctrl + K`\ ：删除从文本光标位置到行尾的文本
- :kbd:`Ctrl + A`\ ：选择所有文本
- :kbd:`Up Arrow`/:kbd:`Down Arrow`\ ：将文本光标移动到行首/行尾
在 macOS 上，有一些额外的键盘快捷键可用：
- :kbd:`Ctrl + F`\ ：同 :kbd:`Right Arrow`\ ，将文本光标向右移动一个字符
- :kbd:`Ctrl + B`\ ：同 :kbd:`Left Arrow`\ ，将文本光标向左移动一个字符
- :kbd:`Ctrl + P`\ ：同 :kbd:`Up Arrow`\ ，将文本光标移动到上一行
- :kbd:`Ctrl + N`\ ：同 :kbd:`Down Arrow`\ ，将文本光标移动到下一行
- :kbd:`Ctrl + D`\ ：同 :kbd:`Delete`\ ，删除文本光标右侧的字符
- :kbd:`Ctrl + H`\ ：同 :kbd:`Backspace`\ ，删除文本光标左侧的字符
- :kbd:`Ctrl + A`\ ：同 :kbd:`Home`\ ，将文本光标移动到行首
- :kbd:`Ctrl + E`\ ：同 :kbd:`End`\ ，将文本光标移动到行首尾
- :kbd:`Cmd + Left Arrow`\ ：同 :kbd:`Home`\ ，将文本光标移动到行首
- :kbd:`Cmd + Right Arrow`\ ：同 :kbd:`End`\ ，将文本光标移动到行尾
.. rst-class:: classref-reftable-group
属性
----
.. table::
:widths: auto
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` | :ref:`alignment<class_LineEdit_property_alignment>` | ``0`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`caret_blink<class_LineEdit_property_caret_blink>` | ``false`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`float<class_float>` | :ref:`caret_blink_interval<class_LineEdit_property_caret_blink_interval>` | ``0.65`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`caret_column<class_LineEdit_property_caret_column>` | ``0`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`caret_force_displayed<class_LineEdit_property_caret_force_displayed>` | ``false`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`caret_mid_grapheme<class_LineEdit_property_caret_mid_grapheme>` | ``false`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`clear_button_enabled<class_LineEdit_property_clear_button_enabled>` | ``false`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`context_menu_enabled<class_LineEdit_property_context_menu_enabled>` | ``true`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`deselect_on_focus_loss_enabled<class_LineEdit_property_deselect_on_focus_loss_enabled>` | ``true`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`drag_and_drop_selection_enabled<class_LineEdit_property_drag_and_drop_selection_enabled>` | ``true`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`draw_control_chars<class_LineEdit_property_draw_control_chars>` | ``false`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`editable<class_LineEdit_property_editable>` | ``true`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`expand_to_text_length<class_LineEdit_property_expand_to_text_length>` | ``false`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`flat<class_LineEdit_property_flat>` | ``false`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`FocusMode<enum_Control_FocusMode>` | focus_mode | ``2`` (overrides :ref:`Control<class_Control_property_focus_mode>`) |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`String<class_String>` | :ref:`language<class_LineEdit_property_language>` | ``""`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`max_length<class_LineEdit_property_max_length>` | ``0`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`middle_mouse_paste_enabled<class_LineEdit_property_middle_mouse_paste_enabled>` | ``true`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`CursorShape<enum_Control_CursorShape>` | mouse_default_cursor_shape | ``1`` (overrides :ref:`Control<class_Control_property_mouse_default_cursor_shape>`) |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`String<class_String>` | :ref:`placeholder_text<class_LineEdit_property_placeholder_text>` | ``""`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`Texture2D<class_Texture2D>` | :ref:`right_icon<class_LineEdit_property_right_icon>` | |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`secret<class_LineEdit_property_secret>` | ``false`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`String<class_String>` | :ref:`secret_character<class_LineEdit_property_secret_character>` | ``"•"`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`select_all_on_focus<class_LineEdit_property_select_all_on_focus>` | ``false`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`selecting_enabled<class_LineEdit_property_selecting_enabled>` | ``true`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`shortcut_keys_enabled<class_LineEdit_property_shortcut_keys_enabled>` | ``true`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`StructuredTextParser<enum_TextServer_StructuredTextParser>` | :ref:`structured_text_bidi_override<class_LineEdit_property_structured_text_bidi_override>` | ``0`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`Array<class_Array>` | :ref:`structured_text_bidi_override_options<class_LineEdit_property_structured_text_bidi_override_options>` | ``[]`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`String<class_String>` | :ref:`text<class_LineEdit_property_text>` | ``""`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`TextDirection<enum_Control_TextDirection>` | :ref:`text_direction<class_LineEdit_property_text_direction>` | ``0`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`virtual_keyboard_enabled<class_LineEdit_property_virtual_keyboard_enabled>` | ``true`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
| :ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>` | :ref:`virtual_keyboard_type<class_LineEdit_property_virtual_keyboard_type>` | ``0`` |
+-------------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------+-------------------------------------------------------------------------------------+
.. rst-class:: classref-reftable-group
方法
----
.. table::
:widths: auto
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`clear<class_LineEdit_method_clear>`\ (\ ) |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`delete_char_at_caret<class_LineEdit_method_delete_char_at_caret>`\ (\ ) |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`delete_text<class_LineEdit_method_delete_text>`\ (\ from_column\: :ref:`int<class_int>`, to_column\: :ref:`int<class_int>`\ ) |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`deselect<class_LineEdit_method_deselect>`\ (\ ) |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`PopupMenu<class_PopupMenu>` | :ref:`get_menu<class_LineEdit_method_get_menu>`\ (\ ) |const| |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>` | :ref:`get_scroll_offset<class_LineEdit_method_get_scroll_offset>`\ (\ ) |const| |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`String<class_String>` | :ref:`get_selected_text<class_LineEdit_method_get_selected_text>`\ (\ ) |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`get_selection_from_column<class_LineEdit_method_get_selection_from_column>`\ (\ ) |const| |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`get_selection_to_column<class_LineEdit_method_get_selection_to_column>`\ (\ ) |const| |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`has_selection<class_LineEdit_method_has_selection>`\ (\ ) |const| |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`insert_text_at_caret<class_LineEdit_method_insert_text_at_caret>`\ (\ text\: :ref:`String<class_String>`\ ) |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`is_menu_visible<class_LineEdit_method_is_menu_visible>`\ (\ ) |const| |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`menu_option<class_LineEdit_method_menu_option>`\ (\ option\: :ref:`int<class_int>`\ ) |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`select<class_LineEdit_method_select>`\ (\ from\: :ref:`int<class_int>` = 0, to\: :ref:`int<class_int>` = -1\ ) |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`select_all<class_LineEdit_method_select_all>`\ (\ ) |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------------------------+
.. rst-class:: classref-reftable-group
主题属性
--------
.. table::
:widths: auto
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`caret_color<class_LineEdit_theme_color_caret_color>` | ``Color(0.95, 0.95, 0.95, 1)`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`clear_button_color<class_LineEdit_theme_color_clear_button_color>` | ``Color(0.875, 0.875, 0.875, 1)`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`clear_button_color_pressed<class_LineEdit_theme_color_clear_button_color_pressed>` | ``Color(1, 1, 1, 1)`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_color<class_LineEdit_theme_color_font_color>` | ``Color(0.875, 0.875, 0.875, 1)`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_outline_color<class_LineEdit_theme_color_font_outline_color>` | ``Color(0, 0, 0, 1)`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_placeholder_color<class_LineEdit_theme_color_font_placeholder_color>` | ``Color(0.875, 0.875, 0.875, 0.6)`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_selected_color<class_LineEdit_theme_color_font_selected_color>` | ``Color(1, 1, 1, 1)`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`font_uneditable_color<class_LineEdit_theme_color_font_uneditable_color>` | ``Color(0.875, 0.875, 0.875, 0.5)`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Color<class_Color>` | :ref:`selection_color<class_LineEdit_theme_color_selection_color>` | ``Color(0.5, 0.5, 0.5, 1)`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`int<class_int>` | :ref:`caret_width<class_LineEdit_theme_constant_caret_width>` | ``1`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`int<class_int>` | :ref:`minimum_character_width<class_LineEdit_theme_constant_minimum_character_width>` | ``4`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`int<class_int>` | :ref:`outline_size<class_LineEdit_theme_constant_outline_size>` | ``0`` |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Font<class_Font>` | :ref:`font<class_LineEdit_theme_font_font>` | |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`int<class_int>` | :ref:`font_size<class_LineEdit_theme_font_size_font_size>` | |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`Texture2D<class_Texture2D>` | :ref:`clear<class_LineEdit_theme_icon_clear>` | |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`StyleBox<class_StyleBox>` | :ref:`focus<class_LineEdit_theme_style_focus>` | |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`StyleBox<class_StyleBox>` | :ref:`normal<class_LineEdit_theme_style_normal>` | |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
| :ref:`StyleBox<class_StyleBox>` | :ref:`read_only<class_LineEdit_theme_style_read_only>` | |
+-----------------------------------+------------------------------------------------------------------------------------------+-------------------------------------+
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
信号
----
.. _class_LineEdit_signal_text_change_rejected:
.. rst-class:: classref-signal
**text_change_rejected**\ (\ rejected_substring\: :ref:`String<class_String>`\ ) :ref:`🔗<class_LineEdit_signal_text_change_rejected>`
当追加的文本超过了 :ref:`max_length<class_LineEdit_property_max_length>` 时触发。追加后的文本会被截断以适应 :ref:`max_length<class_LineEdit_property_max_length>`\ ，超出的部分会被作为 ``rejected_substring`` 参数传递。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_signal_text_changed:
.. rst-class:: classref-signal
**text_changed**\ (\ new_text\: :ref:`String<class_String>`\ ) :ref:`🔗<class_LineEdit_signal_text_changed>`
当文本更改时触发。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_signal_text_submitted:
.. rst-class:: classref-signal
**text_submitted**\ (\ new_text\: :ref:`String<class_String>`\ ) :ref:`🔗<class_LineEdit_signal_text_submitted>`
当用户在 **LineEdit** 上按 :ref:`@GlobalScope.KEY_ENTER<class_@GlobalScope_constant_KEY_ENTER>` 时触发。
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
枚举
----
.. _enum_LineEdit_MenuItems:
.. rst-class:: classref-enumeration
enum **MenuItems**: :ref:`🔗<enum_LineEdit_MenuItems>`
.. _class_LineEdit_constant_MENU_CUT:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_CUT** = ``0``
剪切（复制并删除）选中的文本。
.. _class_LineEdit_constant_MENU_COPY:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_COPY** = ``1``
复制选中的文本。
.. _class_LineEdit_constant_MENU_PASTE:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_PASTE** = ``2``
将剪贴板中的文本粘贴到选中文本之上（或者文本光标位置）。
会使用 :ref:`String.strip_escapes<class_String_method_strip_escapes>` 自动剥离操作系统剪贴板中不可打印的转义字符。
.. _class_LineEdit_constant_MENU_CLEAR:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_CLEAR** = ``3``
删除 **LineEdit** 中的全部文本。
.. _class_LineEdit_constant_MENU_SELECT_ALL:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_SELECT_ALL** = ``4``
选中 **LineEdit** 中的全部文本。
.. _class_LineEdit_constant_MENU_UNDO:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_UNDO** = ``5``
撤销之前的操作。
.. _class_LineEdit_constant_MENU_REDO:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_REDO** = ``6``
反转最后一个撤销动作。
.. _class_LineEdit_constant_MENU_SUBMENU_TEXT_DIR:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_SUBMENU_TEXT_DIR** = ``7``
“文本书写方向”子菜单的 ID。
.. _class_LineEdit_constant_MENU_DIR_INHERITED:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_DIR_INHERITED** = ``8``
将文本方向设置为继承。
.. _class_LineEdit_constant_MENU_DIR_AUTO:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_DIR_AUTO** = ``9``
将文本方向设置为自动。
.. _class_LineEdit_constant_MENU_DIR_LTR:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_DIR_LTR** = ``10``
将文本方向设置为从左至右。
.. _class_LineEdit_constant_MENU_DIR_RTL:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_DIR_RTL** = ``11``
将文本方向设置为从右至左。
.. _class_LineEdit_constant_MENU_DISPLAY_UCC:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_DISPLAY_UCC** = ``12``
切换控制字符的显示。
.. _class_LineEdit_constant_MENU_SUBMENU_INSERT_UCC:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_SUBMENU_INSERT_UCC** = ``13``
“插入控制字符”子菜单的 ID。
.. _class_LineEdit_constant_MENU_INSERT_LRM:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_LRM** = ``14``
插入从左至右标志（LRM）字符。
.. _class_LineEdit_constant_MENU_INSERT_RLM:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_RLM** = ``15``
插入从右至左标志（LRM）字符。
.. _class_LineEdit_constant_MENU_INSERT_LRE:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_LRE** = ``16``
插入开始从左至右嵌入（LRE）字符。
.. _class_LineEdit_constant_MENU_INSERT_RLE:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_RLE** = ``17``
插入开始从右至左嵌入（RLE）字符。
.. _class_LineEdit_constant_MENU_INSERT_LRO:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_LRO** = ``18``
插入开始从左至右强制（LRO）字符。
.. _class_LineEdit_constant_MENU_INSERT_RLO:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_RLO** = ``19``
插入开始从右至左嵌入（RLE）字符。
.. _class_LineEdit_constant_MENU_INSERT_PDF:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_PDF** = ``20``
插入退出方向格式化（PDF）字符。
.. _class_LineEdit_constant_MENU_INSERT_ALM:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_ALM** = ``21``
插入阿拉伯字母标记（ALM）字符。
.. _class_LineEdit_constant_MENU_INSERT_LRI:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_LRI** = ``22``
插入从左至右隔离（LRI）字符。
.. _class_LineEdit_constant_MENU_INSERT_RLI:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_RLI** = ``23``
插入从右至左隔离（RLI）字符。
.. _class_LineEdit_constant_MENU_INSERT_FSI:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_FSI** = ``24``
插入第一个强隔离（FSI）字符。
.. _class_LineEdit_constant_MENU_INSERT_PDI:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_PDI** = ``25``
插入退出方向隔离（PDI）字符。
.. _class_LineEdit_constant_MENU_INSERT_ZWJ:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_ZWJ** = ``26``
插入零宽连接符（ZWJ）字符。
.. _class_LineEdit_constant_MENU_INSERT_ZWNJ:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_ZWNJ** = ``27``
插入零宽非连接符（ZWNJ）字符。
.. _class_LineEdit_constant_MENU_INSERT_WJ:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_WJ** = ``28``
插入文字连接符（WJ）字符。
.. _class_LineEdit_constant_MENU_INSERT_SHY:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_INSERT_SHY** = ``29``
插入软连字符（SHY）字符。
.. _class_LineEdit_constant_MENU_MAX:
.. rst-class:: classref-enumeration-constant
:ref:`MenuItems<enum_LineEdit_MenuItems>` **MENU_MAX** = ``30``
代表 :ref:`MenuItems<enum_LineEdit_MenuItems>` 枚举的大小。
.. rst-class:: classref-item-separator
----
.. _enum_LineEdit_VirtualKeyboardType:
.. rst-class:: classref-enumeration
enum **VirtualKeyboardType**: :ref:`🔗<enum_LineEdit_VirtualKeyboardType>`
.. _class_LineEdit_constant_KEYBOARD_TYPE_DEFAULT:
.. rst-class:: classref-enumeration-constant
:ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>` **KEYBOARD_TYPE_DEFAULT** = ``0``
默认文本虚拟键盘。
.. _class_LineEdit_constant_KEYBOARD_TYPE_MULTILINE:
.. rst-class:: classref-enumeration-constant
:ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>` **KEYBOARD_TYPE_MULTILINE** = ``1``
多行虚拟键盘。
.. _class_LineEdit_constant_KEYBOARD_TYPE_NUMBER:
.. rst-class:: classref-enumeration-constant
:ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>` **KEYBOARD_TYPE_NUMBER** = ``2``
虚拟数字键盘，可用于 PIN 输入。
.. _class_LineEdit_constant_KEYBOARD_TYPE_NUMBER_DECIMAL:
.. rst-class:: classref-enumeration-constant
:ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>` **KEYBOARD_TYPE_NUMBER_DECIMAL** = ``3``
虚拟数字键盘，可用于输入小数。
.. _class_LineEdit_constant_KEYBOARD_TYPE_PHONE:
.. rst-class:: classref-enumeration-constant
:ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>` **KEYBOARD_TYPE_PHONE** = ``4``
虚拟手机号码键盘。
.. _class_LineEdit_constant_KEYBOARD_TYPE_EMAIL_ADDRESS:
.. rst-class:: classref-enumeration-constant
:ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>` **KEYBOARD_TYPE_EMAIL_ADDRESS** = ``5``
带有附加键的虚拟键盘，可帮助输入电子邮件地址。
.. _class_LineEdit_constant_KEYBOARD_TYPE_PASSWORD:
.. rst-class:: classref-enumeration-constant
:ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>` **KEYBOARD_TYPE_PASSWORD** = ``6``
用于输入密码的虚拟键盘。在大多数平台上，这应该会禁用自动完成和自动首字母大写功能。
\ **注意：**\ Web 平台不支持。与 :ref:`KEYBOARD_TYPE_DEFAULT<class_LineEdit_constant_KEYBOARD_TYPE_DEFAULT>` 的行为相同。
.. _class_LineEdit_constant_KEYBOARD_TYPE_URL:
.. rst-class:: classref-enumeration-constant
:ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>` **KEYBOARD_TYPE_URL** = ``7``
带有附加键的虚拟键盘，可帮助输入 URL。
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
属性说明
--------
.. _class_LineEdit_property_alignment:
.. rst-class:: classref-property
:ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` **alignment** = ``0`` :ref:`🔗<class_LineEdit_property_alignment>`
.. rst-class:: classref-property-setget
- |void| **set_horizontal_alignment**\ (\ value\: :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>`\ )
- :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` **get_horizontal_alignment**\ (\ )
文本对齐方式，由 :ref:`HorizontalAlignment<enum_@GlobalScope_HorizontalAlignment>` 枚举定义。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_caret_blink:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **caret_blink** = ``false`` :ref:`🔗<class_LineEdit_property_caret_blink>`
.. rst-class:: classref-property-setget
- |void| **set_caret_blink_enabled**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_caret_blink_enabled**\ (\ )
如果为 ``true``\ ，则文本光标会闪烁。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_caret_blink_interval:
.. rst-class:: classref-property
:ref:`float<class_float>` **caret_blink_interval** = ``0.65`` :ref:`🔗<class_LineEdit_property_caret_blink_interval>`
.. rst-class:: classref-property-setget
- |void| **set_caret_blink_interval**\ (\ value\: :ref:`float<class_float>`\ )
- :ref:`float<class_float>` **get_caret_blink_interval**\ (\ )
文本光标的闪烁间隔（单位为秒）。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_caret_column:
.. rst-class:: classref-property
:ref:`int<class_int>` **caret_column** = ``0`` :ref:`🔗<class_LineEdit_property_caret_column>`
.. rst-class:: classref-property-setget
- |void| **set_caret_column**\ (\ value\: :ref:`int<class_int>`\ )
- :ref:`int<class_int>` **get_caret_column**\ (\ )
**LineEdit** 中光标的列位置。设置后文本可能会滚动以适应它。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_caret_force_displayed:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **caret_force_displayed** = ``false`` :ref:`🔗<class_LineEdit_property_caret_force_displayed>`
.. rst-class:: classref-property-setget
- |void| **set_caret_force_displayed**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_caret_force_displayed**\ (\ )
如果为 ``true``\ ，则该 **LineEdit** 会始终显示光标，即使焦点丢失。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_caret_mid_grapheme:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **caret_mid_grapheme** = ``false`` :ref:`🔗<class_LineEdit_property_caret_mid_grapheme>`
.. rst-class:: classref-property-setget
- |void| **set_caret_mid_grapheme_enabled**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_caret_mid_grapheme_enabled**\ (\ )
允许在单个复合字符的组件中进行移动光标、选中、删除的操作。
\ **注意：**\ 退格键 :kbd:`Backspace` 始终按复合字符的组件删除。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_clear_button_enabled:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **clear_button_enabled** = ``false`` :ref:`🔗<class_LineEdit_property_clear_button_enabled>`
.. rst-class:: classref-property-setget
- |void| **set_clear_button_enabled**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_clear_button_enabled**\ (\ )
如果为 ``true``\ ，\ **LineEdit** 将在 :ref:`text<class_LineEdit_property_text>` 非空时显示清空按钮，可以用来快速清除文本。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_context_menu_enabled:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **context_menu_enabled** = ``true`` :ref:`🔗<class_LineEdit_property_context_menu_enabled>`
.. rst-class:: classref-property-setget
- |void| **set_context_menu_enabled**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_context_menu_enabled**\ (\ )
如果为 ``true``\ ，右键单击将出现上下文菜单。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_deselect_on_focus_loss_enabled:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **deselect_on_focus_loss_enabled** = ``true`` :ref:`🔗<class_LineEdit_property_deselect_on_focus_loss_enabled>`
.. rst-class:: classref-property-setget
- |void| **set_deselect_on_focus_loss_enabled**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_deselect_on_focus_loss_enabled**\ (\ )
如果为 ``true``\ ，则在丢失焦点时会取消选中文本。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_drag_and_drop_selection_enabled:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **drag_and_drop_selection_enabled** = ``true`` :ref:`🔗<class_LineEdit_property_drag_and_drop_selection_enabled>`
.. rst-class:: classref-property-setget
- |void| **set_drag_and_drop_selection_enabled**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_drag_and_drop_selection_enabled**\ (\ )
如果为 ``true``\ ，则允许拖放选中的文本。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_draw_control_chars:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **draw_control_chars** = ``false`` :ref:`🔗<class_LineEdit_property_draw_control_chars>`
.. rst-class:: classref-property-setget
- |void| **set_draw_control_chars**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **get_draw_control_chars**\ (\ )
如果为 ``true``\ ，则会显示控制字符。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_editable:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **editable** = ``true`` :ref:`🔗<class_LineEdit_property_editable>`
.. rst-class:: classref-property-setget
- |void| **set_editable**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_editable**\ (\ )
如果为 ``false``\ ，则不能修改现在的文本，也不能添加新文本。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_expand_to_text_length:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **expand_to_text_length** = ``false`` :ref:`🔗<class_LineEdit_property_expand_to_text_length>`
.. rst-class:: classref-property-setget
- |void| **set_expand_to_text_length_enabled**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_expand_to_text_length_enabled**\ (\ )
如果为 ``true``\ ，则 **LineEdit** 宽度将增加到比 :ref:`text<class_LineEdit_property_text>` 长。如果 :ref:`text<class_LineEdit_property_text>` 被缩短，它将\ **不**\ 压缩。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_flat:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **flat** = ``false`` :ref:`🔗<class_LineEdit_property_flat>`
.. rst-class:: classref-property-setget
- |void| **set_flat**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_flat**\ (\ )
如果为 ``true``\ ，则 **LineEdit** 不显示装饰。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_language:
.. rst-class:: classref-property
:ref:`String<class_String>` **language** = ``""`` :ref:`🔗<class_LineEdit_property_language>`
.. rst-class:: classref-property-setget
- |void| **set_language**\ (\ value\: :ref:`String<class_String>`\ )
- :ref:`String<class_String>` **get_language**\ (\ )
语言代码，用于断行和文本塑形算法。如果留空则使用当前区域设置。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_max_length:
.. rst-class:: classref-property
:ref:`int<class_int>` **max_length** = ``0`` :ref:`🔗<class_LineEdit_property_max_length>`
.. rst-class:: classref-property-setget
- |void| **set_max_length**\ (\ value\: :ref:`int<class_int>`\ )
- :ref:`int<class_int>` **get_max_length**\ (\ )
**LineEdit** 中可以输入的最大字符数。如果为 ``0``\ ，则没有限制。
定义限制后，将截断超过 :ref:`max_length<class_LineEdit_property_max_length>` 的字符。在设置最大长度时，将适用于现有的 :ref:`text<class_LineEdit_property_text>` 内容，以及在 **LineEdit** 中插入、包括粘贴进来的新文本。如果任何输入文本被截断，\ :ref:`text_change_rejected<class_LineEdit_signal_text_change_rejected>` 信号将以截断的子字符串作为参数发出。
\ **示例：**\
.. tabs::
.. code-tab:: gdscript
text = "Hello world"
max_length = 5
# `text` 变为 "Hello"。
max_length = 10
text += " goodbye"
# `text` 变为 "Hello good"。
# `text_change_rejected` 以 "bye" 作为参数发出。
.. code-tab:: csharp
Text = "Hello world";
MaxLength = 5;
// `Text` 变为 "Hello"。
MaxLength = 10;
Text += " goodbye";
// `text` 变为 "Hello good"。
// `text_change_rejected` 以 "bye" 作为参数发出。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_middle_mouse_paste_enabled:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **middle_mouse_paste_enabled** = ``true`` :ref:`🔗<class_LineEdit_property_middle_mouse_paste_enabled>`
.. rst-class:: classref-property-setget
- |void| **set_middle_mouse_paste_enabled**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_middle_mouse_paste_enabled**\ (\ )
如果为 ``false``\ ，将禁用鼠标中键粘贴剪贴板。
\ **注意：**\ 这个方法只在 Linux 上实现。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_placeholder_text:
.. rst-class:: classref-property
:ref:`String<class_String>` **placeholder_text** = ``""`` :ref:`🔗<class_LineEdit_property_placeholder_text>`
.. rst-class:: classref-property-setget
- |void| **set_placeholder**\ (\ value\: :ref:`String<class_String>`\ )
- :ref:`String<class_String>` **get_placeholder**\ (\ )
当 **LineEdit** 为空时显示的文本。它\ **不是** **LineEdit** 的默认值（见 :ref:`text<class_LineEdit_property_text>`\ ）。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_right_icon:
.. rst-class:: classref-property
:ref:`Texture2D<class_Texture2D>` **right_icon** :ref:`🔗<class_LineEdit_property_right_icon>`
.. rst-class:: classref-property-setget
- |void| **set_right_icon**\ (\ value\: :ref:`Texture2D<class_Texture2D>`\ )
- :ref:`Texture2D<class_Texture2D>` **get_right_icon**\ (\ )
设置 **LineEdit** 右端的图标，这个图标会在没有 :ref:`text<class_LineEdit_property_text>` 时出现，如果 :ref:`clear_button_enabled<class_LineEdit_property_clear_button_enabled>` 为 ``false`` 则始终可见。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_secret:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **secret** = ``false`` :ref:`🔗<class_LineEdit_property_secret>`
.. rst-class:: classref-property-setget
- |void| **set_secret**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_secret**\ (\ )
如果为 ``true``\ ，则每个字符都会被替换成密码字符（见 :ref:`secret_character<class_LineEdit_property_secret_character>`\ ）。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_secret_character:
.. rst-class:: classref-property
:ref:`String<class_String>` **secret_character** = ``"•"`` :ref:`🔗<class_LineEdit_property_secret_character>`
.. rst-class:: classref-property-setget
- |void| **set_secret_character**\ (\ value\: :ref:`String<class_String>`\ )
- :ref:`String<class_String>` **get_secret_character**\ (\ )
用于掩盖秘密输入的字符。只能用单个字符作为秘密字符。如果长度超过一个字符，则仅使用第一个字符。如果为空，则使用空格代替。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_select_all_on_focus:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **select_all_on_focus** = ``false`` :ref:`🔗<class_LineEdit_property_select_all_on_focus>`
.. rst-class:: classref-property-setget
- |void| **set_select_all_on_focus**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_select_all_on_focus**\ (\ )
如果为 ``true``\ ，则在获得焦点时会全选文本。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_selecting_enabled:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **selecting_enabled** = ``true`` :ref:`🔗<class_LineEdit_property_selecting_enabled>`
.. rst-class:: classref-property-setget
- |void| **set_selecting_enabled**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_selecting_enabled**\ (\ )
如果为 ``false``\ ，则无法用鼠标或键盘选择文本。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_shortcut_keys_enabled:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **shortcut_keys_enabled** = ``true`` :ref:`🔗<class_LineEdit_property_shortcut_keys_enabled>`
.. rst-class:: classref-property-setget
- |void| **set_shortcut_keys_enabled**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_shortcut_keys_enabled**\ (\ )
如果为 ``false``\ ，快捷键将被禁用。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_structured_text_bidi_override:
.. rst-class:: classref-property
:ref:`StructuredTextParser<enum_TextServer_StructuredTextParser>` **structured_text_bidi_override** = ``0`` :ref:`🔗<class_LineEdit_property_structured_text_bidi_override>`
.. rst-class:: classref-property-setget
- |void| **set_structured_text_bidi_override**\ (\ value\: :ref:`StructuredTextParser<enum_TextServer_StructuredTextParser>`\ )
- :ref:`StructuredTextParser<enum_TextServer_StructuredTextParser>` **get_structured_text_bidi_override**\ (\ )
为结构化文本设置 BiDi 算法覆盖。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_structured_text_bidi_override_options:
.. rst-class:: classref-property
:ref:`Array<class_Array>` **structured_text_bidi_override_options** = ``[]`` :ref:`🔗<class_LineEdit_property_structured_text_bidi_override_options>`
.. rst-class:: classref-property-setget
- |void| **set_structured_text_bidi_override_options**\ (\ value\: :ref:`Array<class_Array>`\ )
- :ref:`Array<class_Array>` **get_structured_text_bidi_override_options**\ (\ )
设置 BiDi 覆盖的附加选项。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_text:
.. rst-class:: classref-property
:ref:`String<class_String>` **text** = ``""`` :ref:`🔗<class_LineEdit_property_text>`
.. rst-class:: classref-property-setget
- |void| **set_text**\ (\ value\: :ref:`String<class_String>`\ )
- :ref:`String<class_String>` **get_text**\ (\ )
**LineEdit** 的字符串值。
\ **注意：**\ 使用这个属性更改文本不会触发 :ref:`text_changed<class_LineEdit_signal_text_changed>` 信号。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_text_direction:
.. rst-class:: classref-property
:ref:`TextDirection<enum_Control_TextDirection>` **text_direction** = ``0`` :ref:`🔗<class_LineEdit_property_text_direction>`
.. rst-class:: classref-property-setget
- |void| **set_text_direction**\ (\ value\: :ref:`TextDirection<enum_Control_TextDirection>`\ )
- :ref:`TextDirection<enum_Control_TextDirection>` **get_text_direction**\ (\ )
基础文本书写方向。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_virtual_keyboard_enabled:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **virtual_keyboard_enabled** = ``true`` :ref:`🔗<class_LineEdit_property_virtual_keyboard_enabled>`
.. rst-class:: classref-property-setget
- |void| **set_virtual_keyboard_enabled**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_virtual_keyboard_enabled**\ (\ )
如果为 ``true``\ ，则在获得焦点时会在支持的平台上显示原生虚拟键盘。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_property_virtual_keyboard_type:
.. rst-class:: classref-property
:ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>` **virtual_keyboard_type** = ``0`` :ref:`🔗<class_LineEdit_property_virtual_keyboard_type>`
.. rst-class:: classref-property-setget
- |void| **set_virtual_keyboard_type**\ (\ value\: :ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>`\ )
- :ref:`VirtualKeyboardType<enum_LineEdit_VirtualKeyboardType>` **get_virtual_keyboard_type**\ (\ )
指定要显示的虚拟键盘的类型。
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
方法说明
--------
.. _class_LineEdit_method_clear:
.. rst-class:: classref-method
|void| **clear**\ (\ ) :ref:`🔗<class_LineEdit_method_clear>`
擦除 **LineEdit** 的 :ref:`text<class_LineEdit_property_text>`\ 。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_delete_char_at_caret:
.. rst-class:: classref-method
|void| **delete_char_at_caret**\ (\ ) :ref:`🔗<class_LineEdit_method_delete_char_at_caret>`
删除光标当前位置处的一个字符（相当于按 :kbd:`Delete`\ ）。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_delete_text:
.. rst-class:: classref-method
|void| **delete_text**\ (\ from_column\: :ref:`int<class_int>`, to_column\: :ref:`int<class_int>`\ ) :ref:`🔗<class_LineEdit_method_delete_text>`
删除 :ref:`text<class_LineEdit_property_text>` 中从起始列 ``from_column`` 到结束列 ``to_column`` 的部分。两个参数都应该在文本的长度之内。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_deselect:
.. rst-class:: classref-method
|void| **deselect**\ (\ ) :ref:`🔗<class_LineEdit_method_deselect>`
清除当前选择。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_get_menu:
.. rst-class:: classref-method
:ref:`PopupMenu<class_PopupMenu>` **get_menu**\ (\ ) |const| :ref:`🔗<class_LineEdit_method_get_menu>`
返回该 **LineEdit** 的 :ref:`PopupMenu<class_PopupMenu>`\ 。默认情况下，右键点击 **LineEdit** 会显示该菜单。
可以添加自定义菜单项或移除标准菜单项。确保你的 ID 不与标准 ID 冲突（请参阅 :ref:`MenuItems<enum_LineEdit_MenuItems>`\ ）。例如：
.. tabs::
.. code-tab:: gdscript
func _ready():
var menu = get_menu()
# 在“重做”之后移除所有项目。
menu.item_count = menu.get_item_index(MENU_REDO) + 1
# 添加自定义项目。
menu.add_separator()
menu.add_item("Insert Date", MENU_MAX + 1)
# 连接回调。
menu.id_pressed.connect(_on_item_pressed)
func _on_item_pressed(id):
if id == MENU_MAX + 1:
insert_text_at_caret(Time.get_date_string_from_system())
.. code-tab:: csharp
public override void _Ready()
{
var menu = GetMenu();
// 在“重做”之后移除所有项目。
menu.ItemCount = menu.GetItemIndex(LineEdit.MenuItems.Redo) + 1;
// 添加自定义项目。
menu.AddSeparator();
menu.AddItem("Insert Date", LineEdit.MenuItems.Max + 1);
// 添加事件处理器。
menu.IdPressed += OnItemPressed;
}
public void OnItemPressed(int id)
{
if (id == LineEdit.MenuItems.Max + 1)
{
InsertTextAtCaret(Time.GetDateStringFromSystem());
}
}
\ **警告：**\ 这是一个必需的内部节点，移除和释放它可能会导致崩溃。如果希望隐藏它或它的任何子节点，请使用它们的 :ref:`Window.visible<class_Window_property_visible>` 属性。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_get_scroll_offset:
.. rst-class:: classref-method
:ref:`float<class_float>` **get_scroll_offset**\ (\ ) |const| :ref:`🔗<class_LineEdit_method_get_scroll_offset>`
返回 :ref:`caret_column<class_LineEdit_property_caret_column>` 引起的滚动偏移量，单位为字符数。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_get_selected_text:
.. rst-class:: classref-method
:ref:`String<class_String>` **get_selected_text**\ (\ ) :ref:`🔗<class_LineEdit_method_get_selected_text>`
返回选择内的文本。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_get_selection_from_column:
.. rst-class:: classref-method
:ref:`int<class_int>` **get_selection_from_column**\ (\ ) |const| :ref:`🔗<class_LineEdit_method_get_selection_from_column>`
返回选择的开始列。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_get_selection_to_column:
.. rst-class:: classref-method
:ref:`int<class_int>` **get_selection_to_column**\ (\ ) |const| :ref:`🔗<class_LineEdit_method_get_selection_to_column>`
返回选择结束列。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_has_selection:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **has_selection**\ (\ ) |const| :ref:`🔗<class_LineEdit_method_has_selection>`
如果用户选中了文本，则返回 ``true``\ 。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_insert_text_at_caret:
.. rst-class:: classref-method
|void| **insert_text_at_caret**\ (\ text\: :ref:`String<class_String>`\ ) :ref:`🔗<class_LineEdit_method_insert_text_at_caret>`
在光标处插入文本 ``text``\ 。如果最终值比 :ref:`max_length<class_LineEdit_property_max_length>` 长，则不会发生任何事情。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_is_menu_visible:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **is_menu_visible**\ (\ ) |const| :ref:`🔗<class_LineEdit_method_is_menu_visible>`
返回菜单是否可见。请使用这个方法来代替 ``get_menu().visible``\ ，可以提高性能（因为避免了菜单的创建）。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_menu_option:
.. rst-class:: classref-method
|void| **menu_option**\ (\ option\: :ref:`int<class_int>`\ ) :ref:`🔗<class_LineEdit_method_menu_option>`
执行 :ref:`MenuItems<enum_LineEdit_MenuItems>` 枚举中定义的给定操作。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_select:
.. rst-class:: classref-method
|void| **select**\ (\ from\: :ref:`int<class_int>` = 0, to\: :ref:`int<class_int>` = -1\ ) :ref:`🔗<class_LineEdit_method_select>`
选择 **LineEdit** 内介于 ``from`` 和 ``to`` 之间的字符。默认情况下，\ ``from`` 位于开头，\ ``to`` 位于结尾。
.. tabs::
.. code-tab:: gdscript
text = "Welcome"
select() # 将选择“Welcome”。
select(4) # 将选择“ome”。
select(2, 5) # 将选择“lco”。
.. code-tab:: csharp
Text = "Welcome";
Select(); // 将选择“Welcome”。
Select(4); // 将选择“ome”。
Select(2, 5); // 将选择“lco”。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_method_select_all:
.. rst-class:: classref-method
|void| **select_all**\ (\ ) :ref:`🔗<class_LineEdit_method_select_all>`
选中整个 :ref:`String<class_String>`\ 。
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
主题属性说明
------------
.. _class_LineEdit_theme_color_caret_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **caret_color** = ``Color(0.95, 0.95, 0.95, 1)`` :ref:`🔗<class_LineEdit_theme_color_caret_color>`
**LineEdit** 的插入符号（文本光标）的颜色。可以设置为完全透明的颜色，从而完全隐藏光标。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_color_clear_button_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **clear_button_color** = ``Color(0.875, 0.875, 0.875, 1)`` :ref:`🔗<class_LineEdit_theme_color_clear_button_color>`
用作清除按钮默认色调的颜色。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_color_clear_button_color_pressed:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **clear_button_color_pressed** = ``Color(1, 1, 1, 1)`` :ref:`🔗<class_LineEdit_theme_color_clear_button_color_pressed>`
按下清除按钮时使用的颜色。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_color_font_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_color** = ``Color(0.875, 0.875, 0.875, 1)`` :ref:`🔗<class_LineEdit_theme_color_font_color>`
默认字体颜色。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_color_font_outline_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_outline_color** = ``Color(0, 0, 0, 1)`` :ref:`🔗<class_LineEdit_theme_color_font_outline_color>`
**LineEdit** 文本轮廓的色调。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_color_font_placeholder_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_placeholder_color** = ``Color(0.875, 0.875, 0.875, 0.6)`` :ref:`🔗<class_LineEdit_theme_color_font_placeholder_color>`
:ref:`placeholder_text<class_LineEdit_property_placeholder_text>` 的字体颜色。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_color_font_selected_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_selected_color** = ``Color(1, 1, 1, 1)`` :ref:`🔗<class_LineEdit_theme_color_font_selected_color>`
选定文本的字体颜色（在选择矩形内）。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_color_font_uneditable_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **font_uneditable_color** = ``Color(0.875, 0.875, 0.875, 0.5)`` :ref:`🔗<class_LineEdit_theme_color_font_uneditable_color>`
禁用编辑时的字体颜色。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_color_selection_color:
.. rst-class:: classref-themeproperty
:ref:`Color<class_Color>` **selection_color** = ``Color(0.5, 0.5, 0.5, 1)`` :ref:`🔗<class_LineEdit_theme_color_selection_color>`
选择矩形的颜色。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_constant_caret_width:
.. rst-class:: classref-themeproperty
:ref:`int<class_int>` **caret_width** = ``1`` :ref:`🔗<class_LineEdit_theme_constant_caret_width>`
文本光标的像素宽度。使用较大的数值可以提高可访问性，使文本光标更加显眼，或者确保文本与较大字体尺寸的一致性。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_constant_minimum_character_width:
.. rst-class:: classref-themeproperty
:ref:`int<class_int>` **minimum_character_width** = ``4`` :ref:`🔗<class_LineEdit_theme_constant_minimum_character_width>`
文本的最小水平空间（不包括清除按钮和内容边距）。这个值以“M”字符的数量来衡量（即能够在不滚动的情况下显示这么多个“M”字符）。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_constant_outline_size:
.. rst-class:: classref-themeproperty
:ref:`int<class_int>` **outline_size** = ``0`` :ref:`🔗<class_LineEdit_theme_constant_outline_size>`
文字轮廓的大小。
\ **注意：**\ 如果使用启用了 :ref:`FontFile.multichannel_signed_distance_field<class_FontFile_property_multichannel_signed_distance_field>` 的字体，其 :ref:`FontFile.msdf_pixel_range<class_FontFile_property_msdf_pixel_range>` 必须至少设置为 :ref:`outline_size<class_LineEdit_theme_constant_outline_size>` 的\ *两倍*\ ，轮廓渲染才能看起来正确。否则，轮廓可能会比预期的更早被切断。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_font_font:
.. rst-class:: classref-themeproperty
:ref:`Font<class_Font>` **font** :ref:`🔗<class_LineEdit_theme_font_font>`
文本使用的字体。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_font_size_font_size:
.. rst-class:: classref-themeproperty
:ref:`int<class_int>` **font_size** :ref:`🔗<class_LineEdit_theme_font_size_font_size>`
该 **LineEdit** 文本的字体大小。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_icon_clear:
.. rst-class:: classref-themeproperty
:ref:`Texture2D<class_Texture2D>` **clear** :ref:`🔗<class_LineEdit_theme_icon_clear>`
“清除”按钮的纹理。见 :ref:`clear_button_enabled<class_LineEdit_property_clear_button_enabled>`\ 。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_style_focus:
.. rst-class:: classref-themeproperty
:ref:`StyleBox<class_StyleBox>` **focus** :ref:`🔗<class_LineEdit_theme_style_focus>`
**LineEdit** 拥有 GUI 焦点时使用的背景。\ :ref:`focus<class_LineEdit_theme_style_focus>` :ref:`StyleBox<class_StyleBox>` 显示在基础 :ref:`StyleBox<class_StyleBox>` *之上*\ ，所以应该使用部分透明的 :ref:`StyleBox<class_StyleBox>`\ ，确保基础 :ref:`StyleBox<class_StyleBox>` 仍然可见。代表轮廓或下划线的 :ref:`StyleBox<class_StyleBox>` 可以很好地实现这个目的。要禁用聚焦的视觉效果，请指定 :ref:`StyleBoxEmpty<class_StyleBoxEmpty>` 资源。请注意，禁用聚焦的视觉效果会影响使用键盘/手柄进行导航的可用性，所以出于可访问性的原因，不建议这样做。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_style_normal:
.. rst-class:: classref-themeproperty
:ref:`StyleBox<class_StyleBox>` **normal** :ref:`🔗<class_LineEdit_theme_style_normal>`
该 **LineEdit** 的默认背景。
.. rst-class:: classref-item-separator
----
.. _class_LineEdit_theme_style_read_only:
.. rst-class:: classref-themeproperty
:ref:`StyleBox<class_StyleBox>` **read_only** :ref:`🔗<class_LineEdit_theme_style_read_only>`
该 **LineEdit** 处于只读模式时使用的背景（\ :ref:`editable<class_LineEdit_property_editable>` 为 ``false``\ ）。
.. |virtual| replace:: :abbr:`virtual (本方法通常需要用户覆盖才能生效。)`
.. |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。)`
.. |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。)`
.. |constructor| replace:: :abbr:`constructor (本方法用于构造某个类型。)`
.. |static| replace:: :abbr:`static (调用本方法无需实例，可直接使用类名进行调用。)`
.. |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。)`
.. |bitfield| replace:: :abbr:`BitField (这个值是由下列位标志构成位掩码的整数。)`
.. |void| replace:: :abbr:`void (无返回值。)`
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