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<?xml version="1.0" encoding="UTF-8"?>
<protocol name="input_method">
<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="input_method_context" version="1">
<description summary="input method context">
Corresponds to a text model on input method side. An input method context
is created on text mode activation on the input method side. It allows to
receive information about the text model from the application via events.
Input method contexts do not keep state after deactivation and should be
destroyed after deactivation is handled.
</description>
<request name="destroy" type="destructor">
<description summary="destroy object">
Destroys the input method context object.
</description>
</request>
<request name="commit_string">
<description summary="commit string">
Sends the commit string text to the applications text model.
</description>
<arg name="serial" type="uint"/>
<arg name="text" type="string"/>
</request>
<request name="preedit_string">
<description summary="pre-edit string">
Sends the pre-edit string text to the applications text model.
</description>
<arg name="serial" type="uint"/>
<arg name="text" type="string"/>
<arg name="commit" type="string"/>
</request>
<request 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.
</description>
<arg name="serial" type="uint"/>
<arg name="index" type="uint"/>
<arg name="length" type="uint"/>
<arg name="style" type="uint"/>
</request>
<request 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.
</description>
<arg name="serial" type="uint"/>
<arg name="index" type="int"/>
</request>
<request name="delete_surrounding_text">
<description summary="delete surrounding text">
Deletes the surrounding text.
</description>
<arg name="serial" type="uint"/>
<arg name="index" type="int"/>
<arg name="length" type="uint"/>
</request>
<request name="cursor_position">
<description summary="set cursor to new position">
Sets the cursor or anchor position.
Not implemented.
</description>
<arg name="serial" type="uint"/>
<arg name="index" type="int"/>
<arg name="anchor" type="int"/>
</request>
<request 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"/>
</request>
<request 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_surrounfing_text, etc. The key event follows
the wl_keyboard key event convention. State is a XKB keysym, state a
wl_keyboard key_state.
</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"/>
</request>
<request name="grab_keyboard">
<description summary="grab hardware keyboard">
Allows an input method to receive hardware keyboard input and process
key events to generate text events (with pre-edit) over the wire. This
allows input methods which compose multiple key events for inputting
text like it is done for CJK languages.
</description>
<arg name="keyboard" type="new_id" interface="wl_keyboard"/>
</request>
<request name="key">
<description summary="forward key event">
Forwards a wl_keyboard::key event to the client that was not processed
by the input method itself. Should be used when filtering key events
with grab_keyboard. The arguments should be the ones from the
wl_keyboard::key event.
</description>
<arg name="serial" type="uint"/>
<arg name="time" type="uint"/>
<arg name="key" type="uint"/>
<arg name="state" type="uint"/>
</request>
<request name="modifiers">
<description summary="forward modifiers event">
Forwards a wl_keyboard::modifiers event to the client that was not
processed by the input method itself. Should be used when filtering
key events with grab_keyboard. The arguments should be the ones
from the wl_keyboard::modifiers event.
</description>
<arg name="serial" type="uint"/>
<arg name="mods_depressed" type="uint"/>
<arg name="mods_latched" type="uint"/>
<arg name="mods_locked" type="uint"/>
<arg name="group" type="uint"/>
</request>
<event name="surrounding_text">
<description summary="surrounding text event">
The plain surrounding text around the input position. Cursor is the
position within the surrounding text. Anchor is the position 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"/>
</event>
<event name="reset">
<description summary="reset">
Resets the input state.
</description>
<arg name="serial" type="uint"/>
</event>
<event name="content_type">
<description summary="set content purpose and hint">
Sets the content purpose and content hint.
</description>
<arg name="hint" type="uint"/>
<arg name="purpose" type="uint"/>
</event>
<event name="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"/>
</event>
<event 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"/>
</event>
<event name="commit">
<description summary="commit state">
Requests to apply state changes sent so far.
</description>
</event>
<event name="max_text_length">
<description summary="set max length of input field">
Notifies the maximum length of an input field.
</description>
<arg name="length" type="uint"/>
</event>
<event name="platform_data">
<description summary="set platform specific data">
Notifies the platform specific data (text).
</description>
<arg name="text" type="string"/>
</event>
</interface>
<interface name="input_method" version="2">
<description summary="input method">
An input method object is responsible to compose text in response to
input from hardware or virtual keyboards. There is one input method
object per seat. On activate there is a new input method context object
created which allows the input method to communicate with the text model.
</description>
<event name="activate">
<description summary="activate event">
A text model was activated. Creates an input method context object
which allows communication with the text model.
</description>
<arg name="id" type="new_id" interface="input_method_context"/>
<arg name="serial" type="uint"/>
</event>
<event name="deactivate">
<description summary="activate event">
The text model corresponding to the context argument was deactivated.
The input method context should be destroyed after deactivation is
handled.
</description>
<arg name="context" type="object" interface="input_method_context"/>
</event>
<event name="show_input_panel">
<description summary="show input panel event">
The text model corresponding that the input panel sets showing
</description>
<arg name="context" type="object" interface="input_method_context"/>
</event>
<event name="hide_input_panel">
<description summary="hide input panel event">
The text model corresponding that the input panel sets hiding
</description>
<arg name="context" type="object" interface="input_method_context"/>
</event>
<request name="set_display_id">
<description summary="set display id">
Sets the id of the display corresponding.
</description>
<arg name="id" type="uint" summary="display id"/>
</request>
</interface>
<interface name="input_panel" version="1">
<description summary="interface for implementing keyboards">
Only one client can bind this interface at a time.
</description>
<request name="get_input_panel_surface">
<description summary="get input panel surface">
Returns the surface of the corresponding input panel.
</description>
<arg name="id" type="new_id" interface="input_panel_surface"/>
<arg name="surface" type="object" interface="wl_surface"/>
</request>
</interface>
<interface name="input_panel_surface" version="1">
<enum name="position">
<description summary="position of input panel">
Position of an input panel.
</description>
<entry name="center_bottom" value="0"/>
</enum>
<request name="set_toplevel">
<description summary="set the surface type as a keyboard">
An input panel surface is only shown, when a text model is active.
Not implemented.
</description>
<arg name="position" type="uint"/>
</request>
</interface>
</protocol>