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386 lines
16 KiB
386 lines
16 KiB
<?xml version="1.0" encoding="UTF-8"?>
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<protocol name="text_input_unstable_v1">
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<copyright>
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Copyright © 2012, 2013 Intel Corporation
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice (including the next
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paragraph) shall be included in all copies or substantial portions of the
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Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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</copyright>
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<interface name="zwp_text_input_v1" version="1">
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<description summary="text input">
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An object used for text input. Adds support for text input and input
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methods to applications. A text_input object is created from a
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wl_text_input_manager and corresponds typically to a text entry in an
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application.
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Requests are used to activate/deactivate the text_input object and set
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state information like surrounding and selected text or the content type.
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The information about entered text is sent to the text_input object via
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the pre-edit and commit events. Using this interface removes the need
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for applications to directly process hardware key events and compose text
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out of them.
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Text is generally UTF-8 encoded, indices and lengths are in bytes.
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Serials are used to synchronize the state between the text input and
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an input method. New serials are sent by the text input in the
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commit_state request and are used by the input method to indicate
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the known text input state in events like preedit_string, commit_string,
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and keysym. The text input can then ignore events from the input method
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which are based on an outdated state (for example after a reset).
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Warning! The protocol described in this file is experimental and
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backward incompatible changes may be made. Backward compatible changes
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may be added together with the corresponding interface version bump.
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Backward incompatible changes are done by bumping the version number in
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the protocol and interface names and resetting the interface version.
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Once the protocol is to be declared stable, the 'z' prefix and the
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version number in the protocol and interface names are removed and the
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interface version number is reset.
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</description>
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<request name="activate">
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<description summary="request activation">
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Requests the text_input object to be activated (typically when the
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text entry gets focus).
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The seat argument is a wl_seat which maintains the focus for this
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activation. The surface argument is a wl_surface assigned to the
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text_input object and tracked for focus lost. The enter event
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is emitted on successful activation.
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</description>
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<arg name="seat" type="object" interface="wl_seat"/>
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<arg name="surface" type="object" interface="wl_surface"/>
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</request>
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<request name="deactivate">
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<description summary="request deactivation">
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Requests the text_input object to be deactivated (typically when the
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text entry lost focus). The seat argument is a wl_seat which was used
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for activation.
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</description>
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<arg name="seat" type="object" interface="wl_seat"/>
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</request>
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<request name="show_input_panel">
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<description summary="show input panels">
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Requests input panels (virtual keyboard) to show.
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</description>
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</request>
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<request name="hide_input_panel">
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<description summary="hide input panels">
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Requests input panels (virtual keyboard) to hide.
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</description>
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</request>
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<request name="reset">
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<description summary="reset">
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Should be called by an editor widget when the input state should be
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reset, for example after the text was changed outside of the normal
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input method flow.
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</description>
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</request>
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<request name="set_surrounding_text">
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<description summary="sets the surrounding text">
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Sets the plain surrounding text around the input position. Text is
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UTF-8 encoded. Cursor is the byte offset within the
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surrounding text. Anchor is the byte offset of the
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selection anchor within the surrounding text. If there is no selected
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text anchor, then it is the same as cursor.
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</description>
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<arg name="text" type="string"/>
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<arg name="cursor" type="uint"/>
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<arg name="anchor" type="uint"/>
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</request>
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<enum name="content_hint" bitfield="true">
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<description summary="content hint">
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Content hint is a bitmask to allow to modify the behavior of the text
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input.
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</description>
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<entry name="none" value="0x0" summary="no special behaviour"/>
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<entry name="default" value="0x7" summary="auto completion, correction and capitalization"/>
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<entry name="password" value="0xc0" summary="hidden and sensitive text"/>
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<entry name="auto_completion" value="0x1" summary="suggest word completions"/>
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<entry name="auto_correction" value="0x2" summary="suggest word corrections"/>
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<entry name="auto_capitalization" value="0x4" summary="switch to uppercase letters at the start of a sentence"/>
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<entry name="lowercase" value="0x8" summary="prefer lowercase letters"/>
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<entry name="uppercase" value="0x10" summary="prefer uppercase letters"/>
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<entry name="titlecase" value="0x20" summary="prefer casing for titles and headings (can be language dependent)"/>
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<entry name="hidden_text" value="0x40" summary="characters should be hidden"/>
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<entry name="sensitive_data" value="0x80" summary="typed text should not be stored"/>
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<entry name="latin" value="0x100" summary="just latin characters should be entered"/>
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<entry name="multiline" value="0x200" summary="the text input is multiline"/>
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</enum>
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<enum name="content_purpose">
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<description summary="content purpose">
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The content purpose allows to specify the primary purpose of a text
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input.
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This allows an input method to show special purpose input panels with
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extra characters or to disallow some characters.
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</description>
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<entry name="normal" value="0" summary="default input, allowing all characters"/>
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<entry name="alpha" value="1" summary="allow only alphabetic characters"/>
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<entry name="digits" value="2" summary="allow only digits"/>
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<entry name="number" value="3" summary="input a number (including decimal separator and sign)"/>
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<entry name="phone" value="4" summary="input a phone number"/>
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<entry name="url" value="5" summary="input an URL"/>
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<entry name="email" value="6" summary="input an email address"/>
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<entry name="name" value="7" summary="input a name of a person"/>
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<entry name="password" value="8" summary="input a password (combine with password or sensitive_data hint)"/>
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<entry name="date" value="9" summary="input a date"/>
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<entry name="time" value="10" summary="input a time"/>
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<entry name="datetime" value="11" summary="input a date and time"/>
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<entry name="terminal" value="12" summary="input for a terminal"/>
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</enum>
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<request name="set_content_type">
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<description summary="set content purpose and hint">
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Sets the content purpose and content hint. While the purpose is the
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basic purpose of an input field, the hint flags allow to modify some
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of the behavior.
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When no content type is explicitly set, a normal content purpose with
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default hints (auto completion, auto correction, auto capitalization)
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should be assumed.
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</description>
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<arg name="hint" type="uint" enum="content_hint" />
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<arg name="purpose" type="uint" enum="content_purpose" />
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</request>
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<request name="set_cursor_rectangle">
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<arg name="x" type="int"/>
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<arg name="y" type="int"/>
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<arg name="width" type="int"/>
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<arg name="height" type="int"/>
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</request>
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<request name="set_preferred_language">
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<description summary="sets preferred language">
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Sets a specific language. This allows for example a virtual keyboard to
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show a language specific layout. The "language" argument is an RFC-3066
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format language tag.
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It could be used for example in a word processor to indicate the
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language of the currently edited document or in an instant message
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application which tracks languages of contacts.
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</description>
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<arg name="language" type="string"/>
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</request>
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<request name="commit_state">
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<arg name="serial" type="uint" summary="used to identify the known state"/>
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</request>
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<request name="invoke_action">
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<arg name="button" type="uint"/>
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<arg name="index" type="uint"/>
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</request>
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<event name="enter">
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<description summary="enter event">
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Notify the text_input object when it received focus. Typically in
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response to an activate request.
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</description>
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<arg name="surface" type="object" interface="wl_surface"/>
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</event>
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<event name="leave">
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<description summary="leave event">
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Notify the text_input object when it lost focus. Either in response
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to a deactivate request or when the assigned surface lost focus or was
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destroyed.
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</description>
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</event>
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<event name="modifiers_map">
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<description summary="modifiers map">
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Transfer an array of 0-terminated modifier names. The position in
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the array is the index of the modifier as used in the modifiers
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bitmask in the keysym event.
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</description>
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<arg name="map" type="array"/>
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</event>
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<event name="input_panel_state">
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<description summary="state of the input panel">
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Notify when the visibility state of the input panel changed.
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</description>
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<arg name="state" type="uint"/>
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</event>
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<event name="preedit_string">
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<description summary="pre-edit">
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Notify when a new composing text (pre-edit) should be set around the
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current cursor position. Any previously set composing text should
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be removed.
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The commit text can be used to replace the preedit text on reset
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(for example on unfocus).
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The text input should also handle all preedit_style and preedit_cursor
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events occurring directly before preedit_string.
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</description>
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<arg name="serial" type="uint" summary="serial of the latest known text input state"/>
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<arg name="text" type="string"/>
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<arg name="commit" type="string"/>
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</event>
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<enum name="preedit_style">
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<entry name="default" value="0" summary="default style for composing text"/>
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<entry name="none" value="1" summary="style should be the same as in non-composing text"/>
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<entry name="active" value="2"/>
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<entry name="inactive" value="3"/>
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<entry name="highlight" value="4"/>
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<entry name="underline" value="5"/>
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<entry name="selection" value="6"/>
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<entry name="incorrect" value="7"/>
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</enum>
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<event name="preedit_styling">
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<description summary="pre-edit styling">
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Sets styling information on composing text. The style is applied for
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length bytes from index relative to the beginning of the composing
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text (as byte offset). Multiple styles can
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be applied to a composing text by sending multiple preedit_styling
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events.
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This event is handled as part of a following preedit_string event.
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</description>
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<arg name="index" type="uint"/>
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<arg name="length" type="uint"/>
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<arg name="style" type="uint" enum="preedit_style" />
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</event>
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<event name="preedit_cursor">
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<description summary="pre-edit cursor">
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Sets the cursor position inside the composing text (as byte
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offset) relative to the start of the composing text. When index is a
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negative number no cursor is shown.
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This event is handled as part of a following preedit_string event.
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</description>
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<arg name="index" type="int"/>
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</event>
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<event name="commit_string">
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<description summary="commit">
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Notify when text should be inserted into the editor widget. The text to
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commit could be either just a single character after a key press or the
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result of some composing (pre-edit). It could also be an empty text
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when some text should be removed (see delete_surrounding_text) or when
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the input cursor should be moved (see cursor_position).
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Any previously set composing text should be removed.
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</description>
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<arg name="serial" type="uint" summary="serial of the latest known text input state"/>
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<arg name="text" type="string"/>
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</event>
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<event name="cursor_position">
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<description summary="set cursor to new position">
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Notify when the cursor or anchor position should be modified.
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This event should be handled as part of a following commit_string
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event.
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</description>
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<arg name="index" type="int"/>
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<arg name="anchor" type="int"/>
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</event>
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<event name="delete_surrounding_text">
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<description summary="delete surrounding text">
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Notify when the text around the current cursor position should be
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deleted.
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Index is relative to the current cursor (in bytes).
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Length is the length of deleted text (in bytes).
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This event should be handled as part of a following commit_string
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event.
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</description>
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<arg name="index" type="int"/>
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<arg name="length" type="uint"/>
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</event>
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<event name="keysym">
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<description summary="keysym">
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Notify when a key event was sent. Key events should not be used
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for normal text input operations, which should be done with
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commit_string, delete_surrounding_text, etc. The key event follows
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the wl_keyboard key event convention. Sym is an XKB keysym, state a
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wl_keyboard key_state. Modifiers are a mask for effective modifiers
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(where the modifier indices are set by the modifiers_map event)
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</description>
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<arg name="serial" type="uint" summary="serial of the latest known text input state"/>
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<arg name="time" type="uint"/>
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<arg name="sym" type="uint"/>
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<arg name="state" type="uint"/>
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<arg name="modifiers" type="uint"/>
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</event>
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<event name="language">
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<description summary="language">
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Sets the language of the input text. The "language" argument is an
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RFC-3066 format language tag.
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</description>
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<arg name="serial" type="uint" summary="serial of the latest known text input state"/>
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<arg name="language" type="string"/>
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</event>
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<enum name="text_direction">
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<entry name="auto" value="0" summary="automatic text direction based on text and language"/>
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<entry name="ltr" value="1" summary="left-to-right"/>
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<entry name="rtl" value="2" summary="right-to-left"/>
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</enum>
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<event name="text_direction">
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<description summary="text direction">
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Sets the text direction of input text.
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It is mainly needed for showing an input cursor on the correct side of
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the editor when there is no input done yet and making sure neutral
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direction text is laid out properly.
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</description>
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<arg name="serial" type="uint" summary="serial of the latest known text input state"/>
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<arg name="direction" type="uint" enum="text_direction" />
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</event>
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</interface>
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<interface name="zwp_text_input_manager_v1" version="1">
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<description summary="text input manager">
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A factory for text_input objects. This object is a global singleton.
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</description>
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<request name="create_text_input">
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<description summary="create text input">
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Creates a new text_input object.
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</description>
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<arg name="id" type="new_id" interface="zwp_text_input_v1"/>
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</request>
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</interface>
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</protocol>
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