godot-docs/classes/class_lineedit.rst

.. Generated automatically by doc/tools/makerst.py in Godot's source tree.
.. DO NOT EDIT THIS FILE, but the LineEdit.xml source instead.
.. The source is found in doc/classes or modules/<name>/doc_classes.

.. _class_LineEdit:

LineEdit
========

**Inherits:** :ref:`Control<class_Control>` **<** :ref:`CanvasItem<class_CanvasItem>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`

**Category:** Core

Brief Description
-----------------

Control that provides single line string editing.

Properties
----------

+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`Align<enum_LineEdit_Align>`        | :ref:`align<class_LineEdit_property_align>`                                 |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`bool<class_bool>`                  | :ref:`caret_blink<class_LineEdit_property_caret_blink>`                     |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`float<class_float>`                | :ref:`caret_blink_speed<class_LineEdit_property_caret_blink_speed>`         |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`int<class_int>`                    | :ref:`caret_position<class_LineEdit_property_caret_position>`               |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`bool<class_bool>`                  | :ref:`clear_button_enabled<class_LineEdit_property_clear_button_enabled>`   |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`bool<class_bool>`                  | :ref:`context_menu_enabled<class_LineEdit_property_context_menu_enabled>`   |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`bool<class_bool>`                  | :ref:`editable<class_LineEdit_property_editable>`                           |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`bool<class_bool>`                  | :ref:`expand_to_text_length<class_LineEdit_property_expand_to_text_length>` |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`FocusMode<enum_Control_FocusMode>` | :ref:`focus_mode<class_LineEdit_property_focus_mode>`                       |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`int<class_int>`                    | :ref:`max_length<class_LineEdit_property_max_length>`                       |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`float<class_float>`                | :ref:`placeholder_alpha<class_LineEdit_property_placeholder_alpha>`         |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`String<class_String>`              | :ref:`placeholder_text<class_LineEdit_property_placeholder_text>`           |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`bool<class_bool>`                  | :ref:`secret<class_LineEdit_property_secret>`                               |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`String<class_String>`              | :ref:`secret_character<class_LineEdit_property_secret_character>`           |
+------------------------------------------+-----------------------------------------------------------------------------+
| :ref:`String<class_String>`              | :ref:`text<class_LineEdit_property_text>`                                   |
+------------------------------------------+-----------------------------------------------------------------------------+

Methods
-------

+-----------------------------------+-------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`append_at_cursor<class_LineEdit_method_append_at_cursor>` **(** :ref:`String<class_String>` text **)**      |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`clear<class_LineEdit_method_clear>` **(** **)**                                                             |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`deselect<class_LineEdit_method_deselect>` **(** **)**                                                       |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------+
| :ref:`PopupMenu<class_PopupMenu>` | :ref:`get_menu<class_LineEdit_method_get_menu>` **(** **)** const                                                 |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`menu_option<class_LineEdit_method_menu_option>` **(** :ref:`int<class_int>` option **)**                    |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`select<class_LineEdit_method_select>` **(** :ref:`int<class_int>` from=0, :ref:`int<class_int>` to=-1 **)** |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------+
| void                              | :ref:`select_all<class_LineEdit_method_select_all>` **(** **)**                                                   |
+-----------------------------------+-------------------------------------------------------------------------------------------------------------------+

Theme Properties
----------------

+---------------------------------+----------------------------+
| :ref:`Texture<class_Texture>`   | clear                      |
+---------------------------------+----------------------------+
| :ref:`Color<class_Color>`       | clear_button_color         |
+---------------------------------+----------------------------+
| :ref:`Color<class_Color>`       | clear_button_color_pressed |
+---------------------------------+----------------------------+
| :ref:`Color<class_Color>`       | cursor_color               |
+---------------------------------+----------------------------+
| :ref:`StyleBox<class_StyleBox>` | focus                      |
+---------------------------------+----------------------------+
| :ref:`Font<class_Font>`         | font                       |
+---------------------------------+----------------------------+
| :ref:`Color<class_Color>`       | font_color                 |
+---------------------------------+----------------------------+
| :ref:`Color<class_Color>`       | font_color_selected        |
+---------------------------------+----------------------------+
| :ref:`int<class_int>`           | minimum_spaces             |
+---------------------------------+----------------------------+
| :ref:`StyleBox<class_StyleBox>` | normal                     |
+---------------------------------+----------------------------+
| :ref:`StyleBox<class_StyleBox>` | read_only                  |
+---------------------------------+----------------------------+
| :ref:`Color<class_Color>`       | selection_color            |
+---------------------------------+----------------------------+

Signals
-------

.. _class_LineEdit_signal_text_changed:

- **text_changed** **(** :ref:`String<class_String>` new_text **)**

Emitted when the text changes.

.. _class_LineEdit_signal_text_entered:

- **text_entered** **(** :ref:`String<class_String>` new_text **)**

Emitted when the user presses ``KEY_ENTER`` on the ``LineEdit``.

Enumerations
------------

.. _enum_LineEdit_Align:

.. _class_LineEdit_constant_ALIGN_LEFT:

.. _class_LineEdit_constant_ALIGN_CENTER:

.. _class_LineEdit_constant_ALIGN_RIGHT:

.. _class_LineEdit_constant_ALIGN_FILL:

enum **Align**:

- **ALIGN_LEFT** = **0** --- Aligns the text on the left hand side of the ``LineEdit``.

- **ALIGN_CENTER** = **1** --- Centers the text in the middle of the ``LineEdit``.

- **ALIGN_RIGHT** = **2** --- Aligns the text on the right hand side of the ``LineEdit``.

- **ALIGN_FILL** = **3** --- Stretches whitespaces to fit the ``LineEdit``'s width.

.. _enum_LineEdit_MenuItems:

.. _class_LineEdit_constant_MENU_CUT:

.. _class_LineEdit_constant_MENU_COPY:

.. _class_LineEdit_constant_MENU_PASTE:

.. _class_LineEdit_constant_MENU_CLEAR:

.. _class_LineEdit_constant_MENU_SELECT_ALL:

.. _class_LineEdit_constant_MENU_UNDO:

.. _class_LineEdit_constant_MENU_REDO:

.. _class_LineEdit_constant_MENU_MAX:

enum **MenuItems**:

- **MENU_CUT** = **0** --- Cuts (copies and clears) the selected text.

- **MENU_COPY** = **1** --- Copies the selected text.

- **MENU_PASTE** = **2** --- Pastes the clipboard text over the selected text (or at the cursor's position).

- **MENU_CLEAR** = **3** --- Erases the whole ``LineEdit`` text.

- **MENU_SELECT_ALL** = **4** --- Selects the whole ``LineEdit`` text.

- **MENU_UNDO** = **5** --- Undoes the previous action.

- **MENU_REDO** = **6** --- Reverse the last undo action.

- **MENU_MAX** = **7**

Description
-----------

LineEdit provides a single line string editor, used for text fields.

Property Descriptions
---------------------

.. _class_LineEdit_property_align:

- :ref:`Align<enum_LineEdit_Align>` **align**

+----------+------------------+
| *Setter* | set_align(value) |
+----------+------------------+
| *Getter* | get_align()      |
+----------+------------------+

Text alignment as defined in the ALIGN\_\* enum.

.. _class_LineEdit_property_caret_blink:

- :ref:`bool<class_bool>` **caret_blink**

+----------+---------------------------------+
| *Setter* | cursor_set_blink_enabled(value) |
+----------+---------------------------------+
| *Getter* | cursor_get_blink_enabled()      |
+----------+---------------------------------+

If ``true``, the caret (visual cursor) blinks.

.. _class_LineEdit_property_caret_blink_speed:

- :ref:`float<class_float>` **caret_blink_speed**

+----------+-------------------------------+
| *Setter* | cursor_set_blink_speed(value) |
+----------+-------------------------------+
| *Getter* | cursor_get_blink_speed()      |
+----------+-------------------------------+

Duration (in seconds) of a caret's blinking cycle.

.. _class_LineEdit_property_caret_position:

- :ref:`int<class_int>` **caret_position**

+----------+----------------------------+
| *Setter* | set_cursor_position(value) |
+----------+----------------------------+
| *Getter* | get_cursor_position()      |
+----------+----------------------------+

The cursor's position inside the ``LineEdit``. When set, the text may scroll to accommodate it.

.. _class_LineEdit_property_clear_button_enabled:

- :ref:`bool<class_bool>` **clear_button_enabled**

+----------+---------------------------------+
| *Setter* | set_clear_button_enabled(value) |
+----------+---------------------------------+
| *Getter* | is_clear_button_enabled()       |
+----------+---------------------------------+

If ``true``, the ``LineEdit`` will show a clear button if ``text`` is not empty.

.. _class_LineEdit_property_context_menu_enabled:

- :ref:`bool<class_bool>` **context_menu_enabled**

+----------+---------------------------------+
| *Setter* | set_context_menu_enabled(value) |
+----------+---------------------------------+
| *Getter* | is_context_menu_enabled()       |
+----------+---------------------------------+

If ``true``, the context menu will appear when right clicked.

.. _class_LineEdit_property_editable:

- :ref:`bool<class_bool>` **editable**

+----------+---------------------+
| *Setter* | set_editable(value) |
+----------+---------------------+
| *Getter* | is_editable()       |
+----------+---------------------+

If ``false``, existing text cannot be modified and new text cannot be added.

.. _class_LineEdit_property_expand_to_text_length:

- :ref:`bool<class_bool>` **expand_to_text_length**

+----------+----------------------------------+
| *Setter* | set_expand_to_text_length(value) |
+----------+----------------------------------+
| *Getter* | get_expand_to_text_length()      |
+----------+----------------------------------+

If ``true``, the ``LineEdit`` width will increase to stay longer than the :ref:`text<class_LineEdit_property_text>`. It will **not** compress if the :ref:`text<class_LineEdit_property_text>` is shortened.

.. _class_LineEdit_property_focus_mode:

- :ref:`FocusMode<enum_Control_FocusMode>` **focus_mode**

+----------+-----------------------+
| *Setter* | set_focus_mode(value) |
+----------+-----------------------+
| *Getter* | get_focus_mode()      |
+----------+-----------------------+

Defines how the ``LineEdit`` can grab focus (Keyboard and mouse, only keyboard, or none). See ``enum FocusMode`` in :ref:`Control<class_Control>` for details.

.. _class_LineEdit_property_max_length:

- :ref:`int<class_int>` **max_length**

+----------+-----------------------+
| *Setter* | set_max_length(value) |
+----------+-----------------------+
| *Getter* | get_max_length()      |
+----------+-----------------------+

Maximum amount of characters that can be entered inside the ``LineEdit``. If ``0``, there is no limit.

.. _class_LineEdit_property_placeholder_alpha:

- :ref:`float<class_float>` **placeholder_alpha**

+----------+------------------------------+
| *Setter* | set_placeholder_alpha(value) |
+----------+------------------------------+
| *Getter* | get_placeholder_alpha()      |
+----------+------------------------------+

Opacity of the :ref:`placeholder_text<class_LineEdit_property_placeholder_text>`. From ``0`` to ``1``.

.. _class_LineEdit_property_placeholder_text:

- :ref:`String<class_String>` **placeholder_text**

+----------+------------------------+
| *Setter* | set_placeholder(value) |
+----------+------------------------+
| *Getter* | get_placeholder()      |
+----------+------------------------+

Text shown when the ``LineEdit`` is empty. It is **not** the ``LineEdit``'s default value (see :ref:`text<class_LineEdit_property_text>`).

.. _class_LineEdit_property_secret:

- :ref:`bool<class_bool>` **secret**

+----------+-------------------+
| *Setter* | set_secret(value) |
+----------+-------------------+
| *Getter* | is_secret()       |
+----------+-------------------+

If ``true``, every character is replaced with the secret character (see :ref:`secret_character<class_LineEdit_property_secret_character>`).

.. _class_LineEdit_property_secret_character:

- :ref:`String<class_String>` **secret_character**

+----------+-----------------------------+
| *Setter* | set_secret_character(value) |
+----------+-----------------------------+
| *Getter* | get_secret_character()      |
+----------+-----------------------------+

The character to use to mask secret input (defaults to "\*"). Only a single character can be used as the secret character.

.. _class_LineEdit_property_text:

- :ref:`String<class_String>` **text**

+----------+-----------------+
| *Setter* | set_text(value) |
+----------+-----------------+
| *Getter* | get_text()      |
+----------+-----------------+

String value of the ``LineEdit``.

Method Descriptions
-------------------

.. _class_LineEdit_method_append_at_cursor:

- void **append_at_cursor** **(** :ref:`String<class_String>` text **)**

Adds ``text`` after the cursor. If the resulting value is longer than :ref:`max_length<class_LineEdit_property_max_length>`, nothing happens.

.. _class_LineEdit_method_clear:

- void **clear** **(** **)**

Erases the ``LineEdit`` text.

.. _class_LineEdit_method_deselect:

- void **deselect** **(** **)**

Clears the current selection.

.. _class_LineEdit_method_get_menu:

- :ref:`PopupMenu<class_PopupMenu>` **get_menu** **(** **)** const

Returns the :ref:`PopupMenu<class_PopupMenu>` of this ``LineEdit``. By default, this menu is displayed when right-clicking on the ``LineEdit``.

.. _class_LineEdit_method_menu_option:

- void **menu_option** **(** :ref:`int<class_int>` option **)**

Executes a given action as defined in the MENU\_\* enum.

.. _class_LineEdit_method_select:

- void **select** **(** :ref:`int<class_int>` from=0, :ref:`int<class_int>` to=-1 **)**

Selects characters inside ``LineEdit`` between ``from`` and ``to``. By default ``from`` is at the beginning and ``to`` at the end.

::

    text = "Welcome"
    select()     # Welcome
    select(4)    # ome
    select(2, 5) # lco

.. _class_LineEdit_method_select_all:

- void **select_all** **(** **)**

Selects the whole :ref:`String<class_String>`.