protocol/wayland.xml - chromiumos/third_party/wayland - Git at Google

 <?xml version="1.0" encoding="UTF-8"?>
 <protocol name="wayland">

   <copyright>
     Copyright © 2008-2011 Kristian Høgsberg
     Copyright © 2010-2011 Intel Corporation

     Permission to use, copy, modify, distribute, and sell this
     software and its documentation for any purpose is hereby granted
     without fee, provided that\n the above copyright notice appear in
     all copies and that both that copyright notice and this permission
     notice appear in supporting documentation, and that the name of
     the copyright holders not be used in advertising or publicity
     pertaining to distribution of the software without specific,
     written prior permission.  The copyright holders make no
     representations about the suitability of this software for any
     purpose.  It is provided "as is" without express or implied
     warranty.

     THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
     SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
     FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
     SPECIAL, 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>

   <!-- The core global object. This is a special singleton object.
        It is used for internal wayland protocol features. -->
   <interface name="wl_display" version="1">
     <request name="bind">
       <arg name="name" type="uint"/>
       <arg name="interface" type="string"/>
       <arg name="version" type="uint"/>
       <arg name="id" type="new_id" interface="wl_object"/>
     </request>

     <!-- sync is an just an echo, which will reply with a key event.
          Since requests are handled in-order, this can be used as a
          barrier to ensure all previous requests have been handled.
          The key argument can be used to correlate between multiple
          sync invocations. -->
     <request name="sync">
       <arg name="callback" type="new_id" interface="wl_callback"/>
     </request>

     <!-- A fatal error has occurred. -->
     <event name="error">
       <arg name="object_id" type="object" interface="wl_object"/>
       <arg name="code" type="uint"/>
       <arg name="message" type="string"/>
     </event>

     <enum name="error">
       <entry name="invalid_object" value="0"/>
       <entry name="invalid_method" value="1"/>
       <entry name="no_memory" value="2"/>
     </enum>

     <!-- Notify the client of global objects. These are objects that
          are created by the server. Globals are published on the
          initial client connection sequence, upon device hotplugs,
          device disconnects, reconfiguration or other events.  The
          server will always announce an object before the object sends
          out events. -->
     <event name="global">
       <arg name="name" type="uint"/>
       <arg name="interface" type="string"/>
       <arg name="version" type="uint"/>
     </event>

     <!-- Notify the client of removed global objects. -->
     <event name="global_remove">
       <arg name="id" type="uint" />
     </event>

   </interface>

   <interface name="wl_callback" version="1">
     <event name="done">
       <arg name="time" type="uint"/>
     </event>
   </interface>

   <!-- A compositor. This object is a global.  The compositor is in
        charge of combining the contents of multiple surfaces into one
        displayable output. -->
   <interface name="wl_compositor" version="1">
     <!-- Factory request for a surface objects. A surface is akin to a
          window. -->
     <request name="create_surface">
       <arg name="id" type="new_id" interface="wl_surface"/>
     </request>
   </interface>

   <!-- Shared memory support -->
   <interface name="wl_shm" version="1">
     <enum name="error">
       <entry name="invalid_format" value="0"/>
       <entry name="invalid_stride" value="1"/>
       <entry name="invalid_fd" value="2"/>
     </enum>

     <enum name="format">
       <entry name="argb32" value="0"/>
       <entry name="premultiplied_argb32" value="1"/>
       <entry name="xrgb32" value="2"/>
     </enum>

     <!-- Transfer a shm buffer to the server.  The allocated buffer
          would include at least stride * height bytes starting at the
          beginning of fd.  The file descriptor is transferred over the
          socket using AF_UNIX magical features. width, height, stride
          and format describe the respective properties of the pixel
          data contained in the buffer. -->
     <request name="create_buffer">
       <arg name="id" type="new_id" interface="wl_buffer"/>
       <arg name="fd" type="fd"/>
       <arg name="width" type="int"/>
       <arg name="height" type="int"/>
       <arg name="stride" type="uint"/>
       <arg name="format" type="uint"/>
     </request>

     <event name="format">
       <arg name="format" type="uint"/>
     </event>
   </interface>


   <!-- A pixel buffer. Created using the drm, shm or similar objects.
        It has a size, visual and contents, but not a location on the
        screen. -->
   <interface name="wl_buffer" version="1">
     <!-- Notify the server that the specified area of the buffers
          contents have changed.  To describe a more complicated area
          of damage, break down the region into rectangles and use this
          request several times.
     -->
     <request name="damage">
       <arg name="x" type="int"/>
       <arg name="y" type="int"/>
       <arg name="width" type="int"/>
       <arg name="height" type="int"/>
     </request>

     <!-- Destroy a buffer.  This will invalidate the object id. -->
     <request name="destroy" type="destructor"/>

     <!-- Sent when an attached buffer is no longer used by the compositor. -->
     <event name="release"/>
   </interface>

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

     <enum name="resize">
       <entry name="none" value="0"/>
       <entry name="top" value="1"/>
       <entry name="bottom" value="2"/>
       <entry name="left" value="4"/>
       <entry name="top_left" value="5"/>
       <entry name="bottom_left" value="6"/>
       <entry name="right" value="8"/>
       <entry name="top_right" value="9"/>
       <entry name="bottom_right" value="10"/>
     </enum>

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

     <request name="create_drag">
       <arg name="id" type="new_id" interface="wl_drag"/>
     </request>

     <request name="create_selection">
       <arg name="id" type="new_id" interface="wl_selection"/>
     </request>

     <!-- Make the surface visible as a toplevel window. -->
     <request name="set_toplevel">
       <arg name="surface" type="object" interface="wl_surface"/>
     </request>

     <!-- Map the surface relative to an existing surface. The x and y
          arguments specify the locations of the upper left corner of
          the surface relative to the upper left corner of the parent
          surface.  The flags argument controls overflow/clipping
          behaviour when the surface would intersect a screen edge,
          panel or such.  And possibly whether the offset only
          determines the initial position or if the surface is locked
          to that relative position during moves. -->
     <request name="set_transient">
       <arg name="surface" type="object" interface="wl_surface"/>
       <arg name="parent" type="object" interface="wl_surface"/>
       <arg name="x" type="int"/>
       <arg name="y" type="int"/>
       <arg name="flags" type="uint"/>
     </request>

     <!-- Map the surface as a fullscreen surface.  There are a number
          of options here: on which output? if the surface size doesn't
          match the output size, do we scale, change resolution, or add
          black borders? is that something the client controls?  what
          about transient surfaces, do they float on top of the
          fullscreen? what if there's already a fullscreen surface on
          the output, maybe you can only go fullscreen if you're
          active?  -->
     <request name="set_fullscreen">
       <arg name="surface" type="object" interface="wl_surface"/>
     </request>

     <!-- The configure event asks the client to resize its surface.
          The size is a hint, in the sense that the client is free to
          ignore it if it doesn't resize, pick a smaller size (to
          satisfy aspect ration or resize in steps of NxM pixels).  The
          client is free to dismiss all but the last configure event it
          received. -->
     <event name="configure">
       <arg name="time" type="uint"/>
       <arg name="edges" type="uint"/>
       <arg name="surface" type="object" interface="wl_surface"/>
       <arg name="width" type="int"/>
       <arg name="height" type="int"/>
     </event>
   </interface>

   <interface name="wl_selection" version="1">
     <!-- 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>

     <!-- Can the selection be activated for multiple devices? -->
     <request name="activate">
       <arg name="input_device" type="object" interface="wl_input_device"/>
       <arg name="time" type="uint"/>
     </request>

     <!-- Destroy the selection. -->
     <request name="destroy" type="destructor"/>

     <!-- Another client pasted the selection, send the mime-type over
          the passed fd. -->
     <event name="send">
       <arg name="mime_type" type="string"/>
       <arg name="fd" type="fd"/>
     </event>

     <!-- Another selection became active. -->
     <event name="cancelled"/>
   </interface>

   <interface name="wl_selection_offer" version="1">
     <!-- Called to receive the selection data as the specified type.
          Sends the pipe fd to the compositor, which forwards it to the
          source in the 'send' event -->
     <request name="receive">
       <arg name="mime_type" type="string"/>
       <arg name="fd" type="fd"/>
     </request>

     <!-- Sent before the keyboard_focus event to announce the types
          offered.  One event per offered mime type.  A mime type of
          NULL means the selection offer is going away.  -->
     <event name="offer">
       <arg name="type" type="string"/>
     </event>

     <event name="keyboard_focus">
       <arg name="input_device" type="object" interface="wl_input_device"/>
     </event>
   </interface>

   <interface name="wl_drag" version="1">
     <!-- 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">
       <arg name="surface" type="object" interface="wl_surface"/>
       <arg name="input_device" type="object" interface="wl_input_device"/>
       <arg name="time" type="uint"/>
     </request>

     <!-- Destroy the drag and cancel the session. -->
     <request name="destroy" type="destructor"/>

     <!-- Sent when a target accepts pointer_focus or 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 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>

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


   <interface name="wl_drag_offer" version="1">
     <!-- Call to accept the offer of the given type -->
     <request name="accept">
       <arg name="time" type="uint"/>
       <arg name="type" type="string"/>
     </request>

     <!-- Called to initiate the drag finish sequence.  Sends 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>

     <!-- Called to reject a drop  -->
     <request name="reject"/>

     <!-- Sent before 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::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, at which point the
          drag object may no longer be valid. -->
     <event name="pointer_focus">
       <arg name="time" type="uint"/>
       <arg name="surface" type="object" interface="wl_surface"/>
       <arg name="x" type="int"/>
       <arg name="y" type="int"/>
       <arg name="surface_x" type="int"/>
       <arg name="surface_y" type="int"/>
     </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 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"/>
   </interface>


   <!-- A surface. This is an image that is displayed on the screen.
        It has a location, size and pixel contents. Similar to a window. -->
   <interface name="wl_surface" version="1">
     <!-- Deletes the surface and invalidates its object id. -->
     <request name="destroy" type="destructor"/>

     <!-- Copy the contents of a buffer into this surface. The x and y
          arguments specify the location of the new buffers upper left
          corner, relative to the old buffers upper left corner. -->
     <request name="attach">
       <arg name="buffer" type="object" interface="wl_buffer"/>
       <arg name="x" type="int"/>
       <arg name="y" type="int"/>
     </request>

     <!-- After attaching a new buffer, this request is used to
          describe the regions where the new buffer is different from
          the previous buffer and needs to be repainted.  Coordinates
          are relative to the new buffer. -->
     <request name="damage">
       <arg name="x" type="int"/>
       <arg name="y" type="int"/>
       <arg name="width" type="int"/>
       <arg name="height" type="int"/>
     </request>

     <!-- Request notification when the next frame is displayed.
          Useful for throttling redrawing operations, and driving
          animations.  The notification will only be posted for one
          frame unless requested again. -->
     <request name="frame">
       <arg name="callback" type="new_id" interface="wl_callback"/>
     </request>

   </interface>


   <!-- A group of keyboards and pointer devices (mice, for
        example). This object is published as a global during start up,
        or when such a device is hot plugged.  A input_device group
        typically has a pointer and maintains a keyboard_focus and a
        pointer_focus.  -->
   <interface name="wl_input_device" version="1">
     <!-- Set the pointer's image.  This request only takes effect if
          the pointer focus for this device is one of the requesting
          clients surfaces.  -->
     <request name="attach">
       <arg name="time" type="uint"/>
       <arg name="buffer" type="object" interface="wl_buffer"/>
       <arg name="hotspot_x" type="int"/>
       <arg name="hotspot_y" type="int"/>
     </request>

     <!-- Notification of pointer location change.
          x,y are the absolute location on the screen.
          surface_[xy] are the location relative to the focused 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>

     <!-- Mouse button click and release notifications.  The location
          of the click is given by the last motion or pointer_focus
          event. -->
     <event name="button">
       <arg name="time" type="uint"/>
       <arg name="button" type="uint"/>
       <arg name="state" type="uint"/>
     </event>

     <!-- Keyboard press. -->
     <event name="key">
       <arg name="time" type="uint"/>
       <arg name="key" type="uint"/>
       <arg name="state" type="uint"/>
     </event>

     <!-- Notification that this input device's pointer is focused on
          certain surface. When an input_device enters a surface, the
          pointer image is undefined and a client should respond to
          this event by setting an apropriate pointer image. -->
     <event name="pointer_focus">
       <arg name="time" type="uint"/>
       <arg name="surface" type="object" interface="wl_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="wl_surface"/>
       <arg name="keys" type="array"/>
     </event>

     <event name="touch_down">
       <arg name="time" type="uint"/>
       <arg name="id" type="int" />
       <arg name="x" type="int" />
       <arg name="y" type="int" />
     </event>

     <event name="touch_up">
       <arg name="time" type="uint"/>
       <arg name="id" type="int" />
     </event>

     <event name="touch_motion">
       <arg name="time" type="uint"/>
       <arg name="id" type="int" />
       <arg name="x" type="int" />
       <arg name="y" type="int" />
     </event>

     <!-- Indicates the end of a contact point list. -->
     <event name="touch_frame"/>

     <!-- Sent if the compositor decides the touch stream is a global
          gesture. No further events are sent to the clients from that
          particular gesture. -->
     <event name="touch_cancel"/>
   </interface>


   <!-- An output describes part of the compositor geometry.  The
        compositor work in the 'compositor coordinate system' and an
        output corresponds to rectangular area in that space that is
        actually visible.  This typically corresponds to a monitor that
        displays part of the compositor space.  This object is
        published as global during start up, or when a screen is hot
        plugged.  -->
   <interface name="wl_output" version="1">

     <enum name="subpixel">
       <entry name="unknown" value="0"/>
       <entry name="none" value="1"/>
       <entry name="horizontal_rgb" value="2"/>
       <entry name="horizontal_bgr" value="3"/>
       <entry name="vertical_rgb" value="4"/>
       <entry name="vertical_bgr" value="5"/>
     </enum>

     <event name="geometry">
       <arg name="x" type="int"/>
       <arg name="y" type="int"/>
       <arg name="physical_width" type="int"/>
       <arg name="physical_height" type="int"/>
       <arg name="subpixel" type="int"/>
       <arg name="make" type="string"/>
       <arg name="model" type="string"/>
     </event>

     <!-- Values for the flags bitfield of the mode event. -->
     <enum name="mode">
       <entry name="current" value="0x1"/>
       <entry name="preferred" value="0x2"/>
     </enum>

     <event name="mode">
       <arg name="flags" type="uint"/>
       <arg name="width" type="int"/>
       <arg name="height" type="int"/>
       <arg name="refresh" type="int"/>
     </event>
   </interface>

 </protocol>
	<?xml version="1.0" encoding="UTF-8"?>
	<protocol name="wayland">

	<copyright>
	Copyright © 2008-2011 Kristian Høgsberg
	Copyright © 2010-2011 Intel Corporation

	Permission to use, copy, modify, distribute, and sell this
	software and its documentation for any purpose is hereby granted
	without fee, provided that\n the above copyright notice appear in
	all copies and that both that copyright notice and this permission
	notice appear in supporting documentation, and that the name of
	the copyright holders not be used in advertising or publicity
	pertaining to distribution of the software without specific,
	written prior permission. The copyright holders make no
	representations about the suitability of this software for any
	purpose. It is provided "as is" without express or implied
	warranty.

	THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
	SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
	FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
	SPECIAL, 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>

	<!-- The core global object. This is a special singleton object.
	It is used for internal wayland protocol features. -->
	<interface name="wl_display" version="1">
	<request name="bind">
	<arg name="name" type="uint"/>
	<arg name="interface" type="string"/>
	<arg name="version" type="uint"/>
	<arg name="id" type="new_id" interface="wl_object"/>
	</request>

	<!-- sync is an just an echo, which will reply with a key event.
	Since requests are handled in-order, this can be used as a
	barrier to ensure all previous requests have been handled.
	The key argument can be used to correlate between multiple
	sync invocations. -->
	<request name="sync">
	<arg name="callback" type="new_id" interface="wl_callback"/>
	</request>

	<!-- A fatal error has occurred. -->
	<event name="error">
	<arg name="object_id" type="object" interface="wl_object"/>
	<arg name="code" type="uint"/>
	<arg name="message" type="string"/>
	</event>

	<enum name="error">
	<entry name="invalid_object" value="0"/>
	<entry name="invalid_method" value="1"/>
	<entry name="no_memory" value="2"/>
	</enum>

	<!-- Notify the client of global objects. These are objects that
	are created by the server. Globals are published on the
	initial client connection sequence, upon device hotplugs,
	device disconnects, reconfiguration or other events. The
	server will always announce an object before the object sends
	out events. -->
	<event name="global">
	<arg name="name" type="uint"/>
	<arg name="interface" type="string"/>
	<arg name="version" type="uint"/>
	</event>

	<!-- Notify the client of removed global objects. -->
	<event name="global_remove">
	<arg name="id" type="uint" />
	</event>

	</interface>

	<interface name="wl_callback" version="1">
	<event name="done">
	<arg name="time" type="uint"/>
	</event>
	</interface>

	<!-- A compositor. This object is a global. The compositor is in
	charge of combining the contents of multiple surfaces into one
	displayable output. -->
	<interface name="wl_compositor" version="1">
	<!-- Factory request for a surface objects. A surface is akin to a
	window. -->
	<request name="create_surface">
	<arg name="id" type="new_id" interface="wl_surface"/>
	</request>
	</interface>

	<!-- Shared memory support -->
	<interface name="wl_shm" version="1">
	<enum name="error">
	<entry name="invalid_format" value="0"/>
	<entry name="invalid_stride" value="1"/>
	<entry name="invalid_fd" value="2"/>
	</enum>

	<enum name="format">
	<entry name="argb32" value="0"/>
	<entry name="premultiplied_argb32" value="1"/>
	<entry name="xrgb32" value="2"/>
	</enum>

	<!-- Transfer a shm buffer to the server. The allocated buffer
	would include at least stride * height bytes starting at the
	beginning of fd. The file descriptor is transferred over the
	socket using AF_UNIX magical features. width, height, stride
	and format describe the respective properties of the pixel
	data contained in the buffer. -->
	<request name="create_buffer">
	<arg name="id" type="new_id" interface="wl_buffer"/>
	<arg name="fd" type="fd"/>
	<arg name="width" type="int"/>
	<arg name="height" type="int"/>
	<arg name="stride" type="uint"/>
	<arg name="format" type="uint"/>
	</request>

	<event name="format">
	<arg name="format" type="uint"/>
	</event>
	</interface>


	<!-- A pixel buffer. Created using the drm, shm or similar objects.
	It has a size, visual and contents, but not a location on the
	screen. -->
	<interface name="wl_buffer" version="1">
	<!-- Notify the server that the specified area of the buffers
	contents have changed. To describe a more complicated area
	of damage, break down the region into rectangles and use this
	request several times.
	-->
	<request name="damage">
	<arg name="x" type="int"/>
	<arg name="y" type="int"/>
	<arg name="width" type="int"/>
	<arg name="height" type="int"/>
	</request>

	<!-- Destroy a buffer. This will invalidate the object id. -->
	<request name="destroy" type="destructor"/>

	<!-- Sent when an attached buffer is no longer used by the compositor. -->
	<event name="release"/>
	</interface>

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

	<enum name="resize">
	<entry name="none" value="0"/>
	<entry name="top" value="1"/>
	<entry name="bottom" value="2"/>
	<entry name="left" value="4"/>
	<entry name="top_left" value="5"/>
	<entry name="bottom_left" value="6"/>
	<entry name="right" value="8"/>
	<entry name="top_right" value="9"/>
	<entry name="bottom_right" value="10"/>
	</enum>

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

	<request name="create_drag">
	<arg name="id" type="new_id" interface="wl_drag"/>
	</request>

	<request name="create_selection">
	<arg name="id" type="new_id" interface="wl_selection"/>
	</request>

	<!-- Make the surface visible as a toplevel window. -->
	<request name="set_toplevel">
	<arg name="surface" type="object" interface="wl_surface"/>
	</request>

	<!-- Map the surface relative to an existing surface. The x and y
	arguments specify the locations of the upper left corner of
	the surface relative to the upper left corner of the parent
	surface. The flags argument controls overflow/clipping
	behaviour when the surface would intersect a screen edge,
	panel or such. And possibly whether the offset only
	determines the initial position or if the surface is locked
	to that relative position during moves. -->
	<request name="set_transient">
	<arg name="surface" type="object" interface="wl_surface"/>
	<arg name="parent" type="object" interface="wl_surface"/>
	<arg name="x" type="int"/>
	<arg name="y" type="int"/>
	<arg name="flags" type="uint"/>
	</request>

	<!-- Map the surface as a fullscreen surface. There are a number
	of options here: on which output? if the surface size doesn't
	match the output size, do we scale, change resolution, or add
	black borders? is that something the client controls? what
	about transient surfaces, do they float on top of the
	fullscreen? what if there's already a fullscreen surface on
	the output, maybe you can only go fullscreen if you're
	active? -->
	<request name="set_fullscreen">
	<arg name="surface" type="object" interface="wl_surface"/>
	</request>

	<!-- The configure event asks the client to resize its surface.
	The size is a hint, in the sense that the client is free to
	ignore it if it doesn't resize, pick a smaller size (to
	satisfy aspect ration or resize in steps of NxM pixels). The
	client is free to dismiss all but the last configure event it
	received. -->
	<event name="configure">
	<arg name="time" type="uint"/>
	<arg name="edges" type="uint"/>
	<arg name="surface" type="object" interface="wl_surface"/>
	<arg name="width" type="int"/>
	<arg name="height" type="int"/>
	</event>
	</interface>

	<interface name="wl_selection" version="1">
	<!-- 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>

	<!-- Can the selection be activated for multiple devices? -->
	<request name="activate">
	<arg name="input_device" type="object" interface="wl_input_device"/>
	<arg name="time" type="uint"/>
	</request>

	<!-- Destroy the selection. -->
	<request name="destroy" type="destructor"/>

	<!-- Another client pasted the selection, send the mime-type over
	the passed fd. -->
	<event name="send">
	<arg name="mime_type" type="string"/>
	<arg name="fd" type="fd"/>
	</event>

	<!-- Another selection became active. -->
	<event name="cancelled"/>
	</interface>

	<interface name="wl_selection_offer" version="1">
	<!-- Called to receive the selection data as the specified type.
	Sends the pipe fd to the compositor, which forwards it to the
	source in the 'send' event -->
	<request name="receive">
	<arg name="mime_type" type="string"/>
	<arg name="fd" type="fd"/>
	</request>

	<!-- Sent before the keyboard_focus event to announce the types
	offered. One event per offered mime type. A mime type of
	NULL means the selection offer is going away. -->
	<event name="offer">
	<arg name="type" type="string"/>
	</event>

	<event name="keyboard_focus">
	<arg name="input_device" type="object" interface="wl_input_device"/>
	</event>
	</interface>

	<interface name="wl_drag" version="1">
	<!-- 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">
	<arg name="surface" type="object" interface="wl_surface"/>
	<arg name="input_device" type="object" interface="wl_input_device"/>
	<arg name="time" type="uint"/>
	</request>

	<!-- Destroy the drag and cancel the session. -->
	<request name="destroy" type="destructor"/>

	<!-- Sent when a target accepts pointer_focus or 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 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>

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


	<interface name="wl_drag_offer" version="1">
	<!-- Call to accept the offer of the given type -->
	<request name="accept">
	<arg name="time" type="uint"/>
	<arg name="type" type="string"/>
	</request>

	<!-- Called to initiate the drag finish sequence. Sends 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>

	<!-- Called to reject a drop -->
	<request name="reject"/>

	<!-- Sent before 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::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, at which point the
	drag object may no longer be valid. -->
	<event name="pointer_focus">
	<arg name="time" type="uint"/>
	<arg name="surface" type="object" interface="wl_surface"/>
	<arg name="x" type="int"/>
	<arg name="y" type="int"/>
	<arg name="surface_x" type="int"/>
	<arg name="surface_y" type="int"/>
	</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 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"/>
	</interface>


	<!-- A surface. This is an image that is displayed on the screen.
	It has a location, size and pixel contents. Similar to a window. -->
	<interface name="wl_surface" version="1">
	<!-- Deletes the surface and invalidates its object id. -->
	<request name="destroy" type="destructor"/>

	<!-- Copy the contents of a buffer into this surface. The x and y
	arguments specify the location of the new buffers upper left
	corner, relative to the old buffers upper left corner. -->
	<request name="attach">
	<arg name="buffer" type="object" interface="wl_buffer"/>
	<arg name="x" type="int"/>
	<arg name="y" type="int"/>
	</request>

	<!-- After attaching a new buffer, this request is used to
	describe the regions where the new buffer is different from
	the previous buffer and needs to be repainted. Coordinates
	are relative to the new buffer. -->
	<request name="damage">
	<arg name="x" type="int"/>
	<arg name="y" type="int"/>
	<arg name="width" type="int"/>
	<arg name="height" type="int"/>
	</request>

	<!-- Request notification when the next frame is displayed.
	Useful for throttling redrawing operations, and driving
	animations. The notification will only be posted for one
	frame unless requested again. -->
	<request name="frame">
	<arg name="callback" type="new_id" interface="wl_callback"/>
	</request>

	</interface>


	<!-- A group of keyboards and pointer devices (mice, for
	example). This object is published as a global during start up,
	or when such a device is hot plugged. A input_device group
	typically has a pointer and maintains a keyboard_focus and a
	pointer_focus. -->
	<interface name="wl_input_device" version="1">
	<!-- Set the pointer's image. This request only takes effect if
	the pointer focus for this device is one of the requesting
	clients surfaces. -->
	<request name="attach">
	<arg name="time" type="uint"/>
	<arg name="buffer" type="object" interface="wl_buffer"/>
	<arg name="hotspot_x" type="int"/>
	<arg name="hotspot_y" type="int"/>
	</request>

	<!-- Notification of pointer location change.
	x,y are the absolute location on the screen.
	surface_[xy] are the location relative to the focused 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>

	<!-- Mouse button click and release notifications. The location
	of the click is given by the last motion or pointer_focus
	event. -->
	<event name="button">
	<arg name="time" type="uint"/>
	<arg name="button" type="uint"/>
	<arg name="state" type="uint"/>
	</event>

	<!-- Keyboard press. -->
	<event name="key">
	<arg name="time" type="uint"/>
	<arg name="key" type="uint"/>
	<arg name="state" type="uint"/>
	</event>

	<!-- Notification that this input device's pointer is focused on
	certain surface. When an input_device enters a surface, the
	pointer image is undefined and a client should respond to
	this event by setting an apropriate pointer image. -->
	<event name="pointer_focus">
	<arg name="time" type="uint"/>
	<arg name="surface" type="object" interface="wl_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="wl_surface"/>
	<arg name="keys" type="array"/>
	</event>

	<event name="touch_down">
	<arg name="time" type="uint"/>
	<arg name="id" type="int" />
	<arg name="x" type="int" />
	<arg name="y" type="int" />
	</event>

	<event name="touch_up">
	<arg name="time" type="uint"/>
	<arg name="id" type="int" />
	</event>

	<event name="touch_motion">
	<arg name="time" type="uint"/>
	<arg name="id" type="int" />
	<arg name="x" type="int" />
	<arg name="y" type="int" />
	</event>

	<!-- Indicates the end of a contact point list. -->
	<event name="touch_frame"/>

	<!-- Sent if the compositor decides the touch stream is a global
	gesture. No further events are sent to the clients from that
	particular gesture. -->
	<event name="touch_cancel"/>
	</interface>


	<!-- An output describes part of the compositor geometry. The
	compositor work in the 'compositor coordinate system' and an
	output corresponds to rectangular area in that space that is
	actually visible. This typically corresponds to a monitor that
	displays part of the compositor space. This object is
	published as global during start up, or when a screen is hot
	plugged. -->
	<interface name="wl_output" version="1">

	<enum name="subpixel">
	<entry name="unknown" value="0"/>
	<entry name="none" value="1"/>
	<entry name="horizontal_rgb" value="2"/>
	<entry name="horizontal_bgr" value="3"/>
	<entry name="vertical_rgb" value="4"/>
	<entry name="vertical_bgr" value="5"/>
	</enum>

	<event name="geometry">
	<arg name="x" type="int"/>
	<arg name="y" type="int"/>
	<arg name="physical_width" type="int"/>
	<arg name="physical_height" type="int"/>
	<arg name="subpixel" type="int"/>
	<arg name="make" type="string"/>
	<arg name="model" type="string"/>
	</event>

	<!-- Values for the flags bitfield of the mode event. -->
	<enum name="mode">
	<entry name="current" value="0x1"/>
	<entry name="preferred" value="0x2"/>
	</enum>

	<event name="mode">
	<arg name="flags" type="uint"/>
	<arg name="width" type="int"/>
	<arg name="height" type="int"/>
	<arg name="refresh" type="int"/>
	</event>
	</interface>

	</protocol>