hyprpaper/hw-protocols/hyprpaper_core.xml

<?xml version="1.0" encoding="UTF-8"?>
<protocol name="hyprpaper_core" version="1">
  <copyright>
    BSD 3-Clause License

    Copyright (c) 2025, Hypr Development

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:

    1. Redistributions of source code must retain the above copyright notice, this
        list of conditions and the following disclaimer.

    2. Redistributions in binary form must reproduce the above copyright notice,
        this list of conditions and the following disclaimer in the documentation
        and/or other materials provided with the distribution.

    3. Neither the name of the copyright holder nor the names of its
        contributors may be used to endorse or promote products derived from
        this software without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  </copyright>

  <object name="hyprpaper_core_manager" version="1">
    <description summary="manager object">
      This is the core manager object for hyprpaper operations
    </description>

    <c2s name="get_wallpaper_object">
      <description summary="Get a wallpaper object">
        Creates a wallpaper object
      </description>
      <returns iface="hyprpaper_wallpaper"/>
    </c2s>

    <s2c name="add_monitor">
      <description summary="New monitor added">
        Emitted when a new monitor is added.
      </description>
      <arg name="monitor_name" type="varchar" summary="the monitor's name"/>
    </s2c>

    <s2c name="remove_monitor">
      <description summary="A monitor was removed">
        Emitted when a monitor is removed.
      </description>
      <arg name="monitor_name" type="varchar" summary="the monitor's name"/>
    </s2c>

    <c2s name="destroy" destructor="true">
      <description summary="Destroy this object">
        Destroys this object. Children remain alive until destroyed.
      </description>
    </c2s>
  </object>

  <enum name="wallpaper_fit_mode">
    <value idx="0" name="stretch"/>
    <value idx="1" name="cover"/>
    <value idx="2" name="contain"/>
    <value idx="3" name="tile"/>
  </enum>

  <enum name="wallpaper_errors">
    <value idx="0" name="inert_wallpaper_object" description="attempted to use an inert wallpaper object"/>
  </enum>

  <enum name="applying_error">
    <value idx="0" name="invalid_path" description="path provided was invalid"/>
    <value idx="1" name="invalid_monitor" description="monitor provided was invalid"/>
    <value idx="2" name="unknown_error" description="unknown error"/>
  </enum>

  <object name="hyprpaper_wallpaper" version="1">
    <description summary="wallpaper object">
      This is an object describing a wallpaper
    </description>

    <c2s name="path">
      <description summary="Set a path">
        Set a file path for the wallpaper. This has to be an absolute path from the fs root.
        This is required.
      </description>
      <arg name="wallpaper" type="varchar" summary="path"/>
    </c2s>

    <c2s name="fit_mode">
      <description summary="Set a fit mode">
        Set a fit mode for the wallpaper. This is set to cover by default.
      </description>
      <arg name="fit_mode" type="enum" interface="wallpaper_fit_mode" summary="path"/>
    </c2s>

    <c2s name="monitor_name">
      <description summary="Set the monitor name">
        Set a monitor for the wallpaper. Setting this to empty (or not setting at all) will
        treat this as a wildcard fallback.

        See hyprpaper_core_manager.add_monitor and hyprpaper_core_manager.remove_monitor
        for tracking monitor names.
      </description>
      <arg name="monitor_name" type="varchar" summary="monitor name"/>
    </c2s>

    <c2s name="apply">
      <description summary="Apply this wallpaper">
        Applies this object's state to the wallpaper state. Will emit .success on success,
        and .failed on failure.

        This object becomes inert after .succeess or .failed, the only valid operation
        is to destroy it afterwards.
      </description>
    </c2s>

    <s2c name="success">
      <description summary="Operation succeeded">
        Wallpaper was applied successfully.
      </description>
    </s2c>

    <s2c name="failed">
      <description summary="Operation failed">
        Wallpaper was not applied. See the error field for more information.
      </description>
      <arg name="error" type="enum" interface="hyprpaper_wallpaper_application_error" summary="path"/>
    </s2c>

    <c2s name="destroy" destructor="true">
      <description summary="Destroy this object">
        Destroys this object.
      </description>
    </c2s>
  </object>
</protocol>