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-<?xml version="1.0" encoding="UTF-8"?>
-<protocol name="river_options_unstable_v1">
- <copyright>
- Copyright 2020 The River Developers
-
- Permission to use, copy, modify, and/or distribute this software for any
- purpose with or without fee is hereby granted, provided that the above
- copyright notice and this permission notice appear in all copies.
-
- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- ANY SPECIAL, DIRECT, 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="zriver_options_manager_v1" version="1">
- <description summary="set and retrieve options">
- This protocol allows clients to access a typed key-value store of
- options. These options are identified by string keys and are scoped
- either globally or per-output. This protocol does not define any
- semantic meaning of the options, that is left up to compositors.
-
- Compositors are free to set options themselves at any time, though
- the type of any given option is immutable once set.
-
- Options may never be unset once set.
- </description>
-
- <request name="destroy" type="destructor">
- <description summary="destroy the zriver_options_manager_v1 object">
- This request indicates that the client will not use the manager object
- any more. Objects that have been created through this instance are
- not affected.
- </description>
- </request>
-
- <request name="get_option_handle">
- <description summary="get an option handle for the given key">
- If the output argument is non-null, the option is local to the given
- output. Otherwise it is considered global.
- </description>
- <arg name="key" type="string"/>
- <arg name="output" type="object" interface="wl_output" allow-null="true"/>
- <arg name="handle" type="new_id" interface="zriver_option_handle_v1"/>
- </request>
- </interface>
-
- <interface name="zriver_option_handle_v1" version="1">
- <description summary="handle to an option">
- On binding this object, one of the events will immediately be sent by
- the server to inform the client of the current state of the option. New
- events will be sent as the state changes.
- </description>
-
- <request name="destroy" type="destructor">
- <description summary="destroy the handle">
- This request indicates that the client will not use the
- zriver_option_handle_v1 any more and that it may be safely destroyed.
- </description>
- </request>
-
- <event name="unset">
- <description summary="the option is currently unset">
- The option with this key has never been set, so the first set_*_value
- request received from any client will determine its type.
-
- This can only ever be sent as the first event after binding this
- interface as options cannot be unset once set.
- </description>
- </event>
-
- <event name="int_value">
- <description summary="the current value of the int option">
- This indicates to the client that the option is of type int as well
- as the current value of the option. Once set the type of the option
- can never change.
- </description>
- <arg name="value" type="int"/>
- </event>
-
- <event name="uint_value">
- <description summary="the current value of the uint option">
- This indicates to the client that the option is of type uint as well
- as the current value of the option. Once set the type of the option
- can never change.
- </description>
- <arg name="value" type="uint"/>
- </event>
-
- <event name="fixed_value">
- <description summary="the current value of the fixed option">
- This indicates to the client that the option is of type fixed as
- well as the current value of the option. Once set the type of the option
- can never change.
- </description>
- <arg name="value" type="fixed"/>
- </event>
-
- <event name="string_value">
- <description summary="the current value of the string option">
- This indicates to the client that the option is of type string as
- well as the current value of the option. Once set the type of the option
- can never change.
- </description>
- <arg name="value" type="string" allow-null="true"/>
- </event>
-
- <request name="set_int_value">
- <description summary="set the value of the option">
- If the option is either unset or set to a value of type int, this
- request asks the compositor to set the value of the option as well
- as the type if previously unset. The compositor is not required to
- honor this request.
-
- If the option is already set and is not of type int, this request does nothing.
- </description>
- <arg name="value" type="int"/>
- </request>
-
- <request name="set_uint_value">
- <description summary="set the value of the option">
- If the option is either unset or set to a value of type uint, this
- request asks the compositor to set the value of the option as well
- as the type if previously unset. The compositor is not required to
- honor this request.
-
- If the option is already set and is not of type uint, this request
- does nothing.
- </description>
- <arg name="value" type="uint"/>
- </request>
-
- <request name="set_fixed_value">
- <description summary="set the value of the option">
- If the option is either unset or set to a value of type fixed, this
- request asks the compositor to set the value of the option as well
- as the type if previously unset. The compositor is not required to
- honor this request.
-
- If the option is already set and is not of type fixed, this request
- does nothing.
- </description>
- <arg name="value" type="fixed"/>
- </request>
-
- <request name="set_string_value">
- <description summary="set the value of the option">
- If the option is either unset or set to a value of type string,
- this request asks the compositor to set the value of the option as
- well as the type if previously unset. The compositor is not required
- to honor this request.
-
- If the option is already set and is not of type string, this request
- does nothing.
- </description>
- <arg name="value" type="string" allow-null="true"/>
- </request>
- </interface>
-</protocol>