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<?xml version="1.0" encoding="UTF-8"?>
<protocol name="text">
<copyright>
Copyright © 2012 Intel Corporation
Copyright © 2013-2019 LG Electronics, Inc.
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that copyright notice and this permission
notice appear in supporting documentation, and that the name of
the copyright holders not be used in advertising or publicity
pertaining to distribution of the software without specific,
written prior permission. The copyright holders make no
representations about the suitability of this software for any
purpose. It is provided "as is" without express or implied
warranty.
THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
THIS SOFTWARE.
</copyright>
<interface name="text_model" version="1">
<description summary="text model">
A model for text input. Adds support for text input and input methods to
applications. A text_model object is created from a text_model_factory and
corresponds typically to a text entry in an application. Requests are used
to activate/deactivate the model and set information like surrounding and
selected text or the content type. The information about entered text is
sent to the model via the pre-edit and commit events. Using this interface
removes the need for applications to directly process hardware key events
and compose text out of them.
</description>
<request name="set_surrounding_text">
<description summary="sets the surrounding text">
Sets the plain surrounding text around the input position. Cursor is the
byte index within the surrounding text. Anchor is the byte index of the
selection anchor within the surrounding text. If there is no selected
text anchor is the same as cursor.
</description>
<arg name="text" type="string"/>
<arg name="cursor" type="uint"/>
<arg name="anchor" type="uint"/>
</request>
<request name="activate">
<description summary="request activation">
Requests the model to be activated (typically when the text entry gets
focus). The seat argument is a wl_seat which maintains the focus for
this activation. The surface argument is a wl_surface assigned to the
model and tracked for focus lost. The activated event is emitted on
successful activation.
</description>
<arg name="serial" type="uint"/>
<arg name="seat" type="object" interface="wl_seat"/>
<arg name="surface" type="object" interface="wl_surface"/>
</request>
<request name="deactivate">
<description summary="request deactivation">
Requests the model to be deactivated (typically when the text entry
lost focus). The seat argument is a wl_seat which was used for
activation.
</description>
<arg name="seat" type="object" interface="wl_seat"/>
</request>
<request name="reset">
<description summary="reset">
Should be called by an editor widget when the input state should
be reset, for example after the text was changed outside of the
normal input method flow.
</description>
<arg name="serial" type="uint"/>
</request>
<request name="set_cursor_rectangle">
<description summary="set_cursor_rectangle">
Sets a rectangle for the cursor with x, y, width and height in surface
local coordinates.
Not implemented.
</description>
<arg name="x" type="int"/>
<arg name="y" type="int"/>
<arg name="width" type="int"/>
<arg name="height" type="int"/>
</request>
<enum name="content_hint">
<description summary="content hint">
Content hint is a bitmask to allow to modify the behavior of the text
input.
</description>
<entry name="none" value="0x0" summary="no special behaviour"/>
<entry name="default" value="0x7" summary="auto completion, correction and capitalization"/>
<entry name="password" value="0xc0" summary="hidden and sensitive text"/>
<entry name="auto_completion" value="0x1" summary="suggest word completions"/>
<entry name="auto_correction" value="0x2" summary="suggest word corrections"/>
<entry name="auto_capitalization" value="0x4" summary="switch to uppercase letters at the start of a sentence"/>
<entry name="lowercase" value="0x8" summary="prefer lowercase letters"/>
<entry name="uppercase" value="0x10" summary="prefer uppercase letters"/>
<entry name="titlecase" value="0x20" summary="prefer casing for titles and headings (can be language dependend)"/>
<entry name="hidden_text" value="0x40" summary="characters should be hidden"/>
<entry name="sensitive_data" value="0x80" summary="typed text should not be stored"/>
<entry name="latin" value="0x100" summary="just latin characters should be entered"/>
<entry name="multiline" value="0x200" summary="the text input is multiline"/>
</enum>
<enum name="content_purpose">
<description summary="content purpose">
The content purpose allows to specify the primary purpose of a text input.
This allows an input method to show special purpose input panels with extra
characters or to disallow some characters.
</description>
<entry name="normal" value="0" summary="default input, allowing all characters"/>
<entry name="alpha" value="1" summary="allow only alphabetic characters"/>
<entry name="digits" value="2" summary="allow only digits"/>
<entry name="number" value="3" summary="input a number (including decimal separator and sign)"/>
<entry name="phone" value="4" summary="input a phone number"/>
<entry name="url" value="5" summary="input an URL"/>
<entry name="email" value="6" summary="input an email address"/>
<entry name="name" value="7" summary="input a name of a person"/>
<entry name="password" value="8" summary="input a password (combine with password or sensitive_data hint)"/>
<entry name="date" value="9" summary="input a date"/>
<entry name="time" value="10" summary="input a time"/>
<entry name="datetime" value="11" summary="input a date and time"/>
<entry name="terminal" value="12" summary="input for a terminal"/>
</enum>
<request name="set_content_type">
<description summary="set content purpose and hint">
Sets the content purpose and content hint. While the purpose is the
basic purpose of an input field, the hint flags allow to modify some
of the behavior.
When no content type is explicitly set, a normal content purpose with
default hints (auto completion, auto correction, auto capitalization)
should be assumed.
</description>
<arg name="hint" type="uint"/>
<arg name="purpose" type="uint"/>
</request>
<enum name="enter_key_type">
<description summary="enter key type">
The enter key type can be used to alter the appearance of the enter key
on an input panel (virtual keyboard).
</description>
<entry name="default" value="0" summary="the default Enter key"/>
<entry name="return" value="1" summary="show a Return button that inserts a new line"/>
<entry name="done" value="2" summary="show a Done button"/>
<entry name="go" value="3" summary="show a Go button"/>
<entry name="send" value="4" summary="show a Send button"/>
<entry name="search" value="5" summary="show a Search button"/>
<entry name="next" value="6" summary="show a Next button"/>
<entry name="previous" value="7" summary="show a Previous button"/>
</enum>
<request name="set_enter_key_type">
<description summary="set type of enter key">
Sets the type of the enter key on an input panel (virtual keyboard).
</description>
<arg name="enter_key_type" type="uint"/>
</request>
<request name="invoke_action">
<description summary="invoke action">
Invokes a button action on a given position.
Not implemented.
</description>
<arg name="button" type="uint"/>
<arg name="index" type="uint"/>
</request>
<request name="commit">
<description summary="commit state">
Requests to apply state changes sent so far.
</description>
</request>
<request name="set_max_text_length">
<description summary="set max length of input field">
Sets the maximum length of an input field.
</description>
<arg name="length" type="uint"/>
</request>
<request name="set_platform_data">
<description summary="set platform specific data">
Sets the platform specific data (text).
</description>
<arg name="text" type="string"/>
</request>
<request name="show_input_panel">
<description summary="show input panels">
Requests input panels (virtual keyboard) to show.
</description>
</request>
<request name="hide_input_panel">
<description summary="hide input panels">
Requests input panels (virtual keyboard) to hide.
</description>
</request>
<event name="commit_string">
<description summary="text to commit">
Notifies when text should be inserted into the editor widget. The text
to commit could be either just a single character after a key press
or the result of some composing (pre-edit). It also sets the new
cursor position (as byte index) relative to the inserted text.
Any previously set composing text should be removed.
</description>
<arg name="serial" type="uint"/>
<arg name="text" type="string"/>
</event>
<event name="preedit_string">
<description summary="pre-edit text">
Notifies when a new composing text (pre-edit) should be set around the
current cursor position. Any previously set composing text should
be removed.
The commit text can be used to replace the preedit text on reset
(for example on unfocus).
</description>
<arg name="serial" type="uint"/>
<arg name="text" type="string"/>
<arg name="commit" type="string"/>
</event>
<event name="delete_surrounding_text">
<description summary="delete surrounding text">
Notifies when the text around the current cursor position should be
deleted. Index is relative to the current cursor (as byte index).
Length is the length of deleted text (as bytes).
</description>
<arg name="serial" type="uint"/>
<arg name="index" type="int"/>
<arg name="length" type="uint"/>
</event>
<event name="cursor_position">
<description summary="set cursor to new position">
Notifies when the cursor or anchor position should be modified. It
should take effect after the next commit_string event.
Not implemented.
</description>
<arg name="serial" type="uint"/>
<arg name="index" type="int"/>
<arg name="anchor" type="int"/>
</event>
<enum name="preedit_style">
<description summary="pre-edit style">
The style for a composing text text.
</description>
<entry name="default" value="1"/>
<entry name="active" value="2"/>
<entry name="inactive" value="3"/>
<entry name="highlight" value="4"/>
<entry name="underline" value="5"/>
<entry name="selection" value="6"/>
<entry name="incorrect" value="7"/>
</enum>
<event name="preedit_styling">
<description summary="pre-edit styling">
Sets styling information on composing text. The style is applied for
length (in bytes) characters from index relative to the beginning of
the composing text (as byte index). Multiple styles can be applied
to a composing text.
This event should be handled as part of a following preedit_string
event.
</description>
<arg name="serial" type="uint"/>
<arg name="index" type="uint"/>
<arg name="length" type="uint"/>
<arg name="style" type="uint"/>
</event>
<event name="preedit_cursor">
<description summary="pre-edit cursor">
Sets the cursor position inside the composing text (as byte index)
relative to the start of the composing text.
This event should be handled as part of a following preedit_string
event.
</description>
<arg name="serial" type="uint"/>
<arg name="index" type="int"/>
</event>
<event name="modifiers_map">
<description summary="modifiers map">
Transfers an array of 0-terminated modifiers names. The position in
the array is the index of the modifier as used in the modifiers
bitmask in the keysym event.
</description>
<arg name="map" type="array"/>
</event>
<event name="keysym">
<description summary="keysym">
Notifies when a key event was sent. Key events should not be used
for normal text input operations, which should be done with
commit_string, delete_surrounding_text, etc. The key event follows
the wl_keyboard key event convention. State is a XKB keysym, state a
wl_keyboard key_state. Modifiers are a mask for effective modifiers
(where the modfier indices are set by the modifiers_map event)
</description>
<arg name="serial" type="uint"/>
<arg name="time" type="uint"/>
<arg name="sym" type="uint"/>
<arg name="state" type="uint"/>
<arg name="modifiers" type="uint"/>
</event>
<event name="enter">
<description summary="enter event">
Notifies the model when it is activated on a given surface. Typically in
response to an activate request.
</description>
<arg name="surface" type="object" interface="wl_surface"/>
</event>
<event name="leave">
<description summary="leave event">
Notifies the model when it is deactivated. Either in response to a
deactivate request or when the assigned surface lost focus or was
destroyed.
</description>
</event>
<event name="input_panel_state">
<description summary="state of the input panel">
Notifies when the visibility state of the input panel changed. The state
is either 0 (hidden) or 1 (shown).
</description>
<arg name="state" type="uint"/>
</event>
<event name="input_panel_rect">
<description summary="rect of the input panel">
Notifies when the geometry of the input panel changes in surface local
coordinates.
</description>
<arg name="x" type="int"/>
<arg name="y" type="int"/>
<arg name="width" type="uint"/>
<arg name="height" type="uint"/>
</event>
<request name="set_input_panel_rect">
<description summary="set rect of the input panel">
Requests the geometry of the input panel to change. The geometry should
be in surface local coordinates.
</description>
<arg name="x" type="int"/>
<arg name="y" type="int"/>
<arg name="width" type="uint"/>
<arg name="height" type="uint"/>
</request>
<request name="reset_input_panel_rect">
<description summary="reset rect of the input panel">
Resets the geometry of the input panel requested.
</description>
</request>
</interface>
<interface name="text_model_factory" version="1">
<description summary="text model factory">
A factory for text models. This object is a singleton global.
</description>
<request name="create_text_model">
<description summary="create text model">
Creates a new text model object.
</description>
<arg name="id" type="new_id" interface="text_model"/>
</request>
</interface>
</protocol>