weston/protocol.xml

<protocol>

  <interface name="display" version="1">
    <event name="invalid_object">
      <arg name="object_id" type="uint"/>
    </event>

    <event name="invalid_method">
      <arg name="object_id" type="uint"/>
      <arg name="opcode" type="uint"/>
    </event>

    <event name="no_memory"/>

    <event name="global">
      <arg name="id" type="new_id" interface="object"/>
      <arg name="name" type="string"/>
      <arg name="version" type="uint"/>
    </event>

    <event name="range">
      <arg name="base" type="uint"/>
    </event>
  </interface>

  <interface name="compositor" version="1">
    <request name="create_surface">
      <arg name="id" type="new_id" interface="surface"/>
    </request>

    <request name="commit">
      <arg name="key" type="uint"/>
    </request>

    <event name="acknowledge">
      <arg name="key" type="uint"/>
      <arg name="frame" type="uint"/>
    </event>

    <event name="frame">
      <arg name="frame" type="uint"/>
      <arg name="timestamp" type="uint"/>
    </event>
  </interface>

  <interface name="drm" version="1">
    <!-- dri2 auth and create buffer -->
    <request name="authenticate">
      <arg name="id" type="uint"/>
    </request>

    <request name="create_buffer">
      <arg name="id" type="new_id" interface="buffer"/>
      <arg name="name" type="uint"/>
      <arg name="width" type="int"/>
      <arg name="height" type="int"/>
      <arg name="stride" type="uint"/>
      <arg name="visual" type="object" interface="visual"/>
    </request>

    <event name="device">
      <arg name="name" type="string"/>
    </event>

    <event name="authenticated"/>
  </interface>

  <interface name="buffer" version="1">
    <request name="destroy"/>
  </interface>

  <interface name="shell" version="1">
    <request name="move">
      <arg name="surface" type="object" interface="surface"/>
      <arg name="input_device" type="object" interface="input_device"/>
      <arg name="time" type="uint"/>
    </request>

    <request name="resize">
      <arg name="surface" type="object" interface="surface"/>
      <arg name="input_device" type="object" interface="input_device"/>
      <arg name="time" type="uint"/>
      <!-- edges is an enum, need to get the values in here -->
      <arg name="edges" type="uint"/>
    </request>

    <event name="configure">
      <arg name="time" type="uint"/>
      <!-- Same as edges except also move (16) -->
      <arg name="type" type="uint"/>
      <arg name="surface" type="object" interface="surface"/>
      <arg name="x" type="int"/>
      <arg name="y" type="int"/>
      <arg name="width" type="int"/>
      <arg name="height" type="int"/>
    </event>
  </interface>

  <interface name="drag" version="1">
    <request name="prepare">
      <!-- Start a drag action from given surface and device for the
	   grab started by the button click at time -->
      <arg name="surface" type="object" interface="surface"/>
      <arg name="time" type="uint"/>
    </request>

    <!-- Add an offered mime type.  Can be called several times to
         offer multiple types, but must be called before 'activate'. -->
    <request name="offer">
      <arg name="type" type="string"/>
    </request>

    <request name="activate"/>

    <!-- Cancel the drag. -->
    <request name="cancel"/>

    <!-- Called by the drag target to accept the offer of the given
         type -->
    <request name="accept">
      <arg name="type" type="string"/>
    </request>

    <!-- Called by the drag target to initiate the drag finish
         sequence.  Send the pipe fd to the compositor, which forwards
         it to the source in the 'finish' event -->
    <request name="receive">
      <arg name="fd" type="fd"/>
    </request>

    <!-- Sent at connect time to announce the association -->
    <event name="device">
      <arg name="device" type="object" interface="input_device"/>
    </event>

    <!-- Similar to device::pointer_focus.  Sent to potential
	 target surfaces to offer drag data.  If the device
	 leaves the window, the drag stops or the originator cancels
	 the drag, this event is sent with the NULL surface. -->
    <event name="pointer_focus">
      <arg name="time" type="uint"/>
      <arg name="surface" type="object" interface="surface"/>
      <arg name="x" type="int"/>
      <arg name="y" type="int"/>
      <arg name="surface_x" type="int"/>
      <arg name="surface_y" type="int"/>
    </event>

    <!-- Sent after the pointer_focus event to announce the types
	 offered.  One event per offered mime type. -->
    <event name="offer">
      <arg name="type" type="string"/>
    </event>

    <!-- Similar to device::motion.  Sent to potential target surfaces
	 as the drag pointer moves around in the surface. -->
    <event name="motion">
      <arg name="time" type="uint"/>
      <arg name="x" type="int"/>
      <arg name="y" type="int"/>
      <arg name="surface_x" type="int"/>
      <arg name="surface_y" type="int"/>
    </event>

    <!-- Sent to drag originator in response to pointer_focus and
         motion events.  If a target does not accept any of the
         offered types, type is NULL -->
    <event name="target">
      <arg name="mime_type" type="string"/>
    </event>

    <!-- Sent to target, to indicate that the drag is finishing.  The
         last motion/pointer_focus event gives the location of the
         drop.  Target must respond with the 'receive' request, which
         sends an fd to the source for writing the drag data. -->
    <event name="drop"/>

    <!-- Sent to drag source when the drag is finished.  The final
         mime type is that of the last target event.  If that was
         NULL, no drag target was valid when the drag finished, fd is
         undefined and the source should not send data.  The event is
         also sent in case a drag source tries to activate a drag
         after the grab was released, in which case mime_type will
         also be NULL. -->
    <event name="finish">
      <arg name="fd" type="fd"/>
    </event>

  </interface>

  <interface name="surface" version="1">
    <request name="destroy"/>

    <request name="attach">
      <arg name="buffer" type="object" interface="buffer"/>
    </request>

    <request name="map">
      <arg name="x" type="int"/>
      <arg name="y" type="int"/>
      <arg name="width" type="int"/>
      <arg name="height" type="int"/>
    </request>

    <request name="damage">
      <arg name="x" type="int"/>
      <arg name="y" type="int"/>
      <arg name="width" type="int"/>
      <arg name="height" type="int"/>
    </request>
  </interface>

  <interface name="input_device" version="1">
    <request name="attach">
      <arg name="buffer" type="object" interface="buffer"/>
      <arg name="hotspot_x" type="int"/>
      <arg name="hotspot_y" type="int"/>
    </request>

    <event name="motion">
      <arg name="time" type="uint"/>
      <arg name="x" type="int"/>
      <arg name="y" type="int"/>
      <arg name="surface_x" type="int"/>
      <arg name="surface_y" type="int"/>
    </event>

    <event name="button">
      <arg name="time" type="uint"/>
      <arg name="button" type="uint"/>
      <arg name="state" type="uint"/>
    </event>

    <event name="key">
      <arg name="time" type="uint"/>
      <arg name="key" type="uint"/>
      <arg name="state" type="uint"/>
    </event>

    <event name="pointer_focus">
      <arg name="time" type="uint"/>
      <arg name="surface" type="object" interface="surface"/>
      <arg name="x" type="int"/>
      <arg name="y" type="int"/>
      <arg name="surface_x" type="int"/>
      <arg name="surface_y" type="int"/>
    </event>

    <event name="keyboard_focus">
      <arg name="time" type="uint"/>
      <arg name="surface" type="object" interface="surface"/>
      <arg name="keys" type="array"/>
    </event>
  </interface>

  <interface name="output" version="1">
    <event name="geometry">
      <arg name="width" type="int"/>
      <arg name="height" type="int"/>
    </event>
  </interface>

  <interface name="visual" version="1">

</protocol>