SDL

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<?xml version="1.0" encoding="UTF-8"?>
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<protocol name="xdg_decoration_unstable_v1">
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  <copyright>
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    Copyright © 2018 Simon Ser
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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="zxdg_decoration_manager_v1" version="1">
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    <description summary="window decoration manager">
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      This interface allows a compositor to announce support for server-side
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      decorations.
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      A window decoration is a set of window controls as deemed appropriate by
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      the party managing them, such as user interface components used to move,
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      resize and change a window's state.
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      A client can use this protocol to request being decorated by a supporting
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      compositor.
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      If compositor and client do not negotiate the use of a server-side
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      decoration using this protocol, clients continue to self-decorate as they
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      see fit.
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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="destroy" type="destructor">
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      <description summary="destroy the decoration manager object">
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        Destroy the decoration manager. This doesn't destroy objects created
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        with the manager.
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      </description>
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    </request>
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    <request name="get_toplevel_decoration">
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      <description summary="create a new toplevel decoration object">
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        Create a new decoration object associated with the given toplevel.
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        Creating an xdg_toplevel_decoration from an xdg_toplevel which has a
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        buffer attached or committed is a client error, and any attempts by a
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        client to attach or manipulate a buffer prior to the first
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        xdg_toplevel_decoration.configure event must also be treated as
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        errors.
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      </description>
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      <arg name="id" type="new_id" interface="zxdg_toplevel_decoration_v1"/>
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      <arg name="toplevel" type="object" interface="xdg_toplevel"/>
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    </request>
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  </interface>
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  <interface name="zxdg_toplevel_decoration_v1" version="1">
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    <description summary="decoration object for a toplevel surface">
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      The decoration object allows the compositor to toggle server-side window
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      decorations for a toplevel surface. The client can request to switch to
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      another mode.
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      The xdg_toplevel_decoration object must be destroyed before its
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      xdg_toplevel.
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    </description>
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    <enum name="error">
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      <entry name="unconfigured_buffer" value="0"
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        summary="xdg_toplevel has a buffer attached before configure"/>
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      <entry name="already_constructed" value="1"
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        summary="xdg_toplevel already has a decoration object"/>
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      <entry name="orphaned" value="2"
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        summary="xdg_toplevel destroyed before the decoration object"/>
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    </enum>
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    <request name="destroy" type="destructor">
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      <description summary="destroy the decoration object">
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        Switch back to a mode without any server-side decorations at the next
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        commit.
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      </description>
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    </request>
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    <enum name="mode">
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      <description summary="window decoration modes">
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        These values describe window decoration modes.
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      </description>
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      <entry name="client_side" value="1"
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        summary="no server-side window decoration"/>
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      <entry name="server_side" value="2"
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        summary="server-side window decoration"/>
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    </enum>
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    <request name="set_mode">
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      <description summary="set the decoration mode">
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        Set the toplevel surface decoration mode. This informs the compositor
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        that the client prefers the provided decoration mode.
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        After requesting a decoration mode, the compositor will respond by
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        emitting a xdg_surface.configure event. The client should then update
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        its content, drawing it without decorations if the received mode is
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        server-side decorations. The client must also acknowledge the configure
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        when committing the new content (see xdg_surface.ack_configure).
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        The compositor can decide not to use the client's mode and enforce a
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        different mode instead.
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        Clients whose decoration mode depend on the xdg_toplevel state may send
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        a set_mode request in response to a xdg_surface.configure event and wait
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        for the next xdg_surface.configure event to prevent unwanted state.
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        Such clients are responsible for preventing configure loops and must
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        make sure not to send multiple successive set_mode requests with the
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        same decoration mode.
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      </description>
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      <arg name="mode" type="uint" enum="mode" summary="the decoration mode"/>
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    </request>
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    <request name="unset_mode">
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      <description summary="unset the decoration mode">
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        Unset the toplevel surface decoration mode. This informs the compositor
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        that the client doesn't prefer a particular decoration mode.
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        This request has the same semantics as set_mode.
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      </description>
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    </request>
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    <event name="configure">
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      <description summary="suggest a surface change">
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        The configure event asks the client to change its decoration mode. The
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        configured state should not be applied immediately. Clients must send an
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        ack_configure in response to this event. See xdg_surface.configure and
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        xdg_surface.ack_configure for details.
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        A configure event can be sent at any time. The specified mode must be
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        obeyed by the client.
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      </description>
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      <arg name="mode" type="uint" enum="mode" summary="the decoration mode"/>
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    </event>
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  </interface>
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</protocol>
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