1399 lines
53 KiB
XML
1399 lines
53 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<protocol name="wayland">
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<copyright>
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Copyright © 2008-2011 Kristian Høgsberg
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Copyright © 2010-2011 Intel Corporation
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that copyright notice and this permission
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notice appear in supporting documentation, and that the name of
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the copyright holders not be used in advertising or publicity
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pertaining to distribution of the software without specific,
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written prior permission. The copyright holders make no
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representations about the suitability of this software for any
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purpose. It is provided "as is" without express or implied
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warranty.
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THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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THIS SOFTWARE.
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</copyright>
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<interface name="wl_display" version="1">
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<description summary="core global object">
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The core global object. This is a special singleton object. It
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is used for internal Wayland protocol features.
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</description>
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<request name="sync">
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<description summary="asynchronous roundtrip">
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The sync request asks the server to emit the 'done' event
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on the returned wl_callback object. Since requests are
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handled in-order and events are delivered in-order, this can
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used as a barrier to ensure all previous requests and the
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resulting events have been handled.
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</description>
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<arg name="callback" type="new_id" interface="wl_callback"/>
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</request>
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<request name="get_registry">
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<description summary="get global registry object">
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This request creates a registry object that allows the client
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to list and bind the global objects available from the
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compositor.
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</description>
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<arg name="callback" type="new_id" interface="wl_registry"/>
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</request>
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<event name="error">
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<description summary="fatal error event">
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The error event is sent out when a fatal (non-recoverable)
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error has occurred. The object_id argument is the object
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where the error occurred, most often in response to a request
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to that object. The code identifies the error and is defined
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by the object interface. As such, each interface defines its
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own set of error codes. The message is an brief description
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of the error, for (debugging) convenience.
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</description>
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<arg name="object_id" type="object"/>
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<arg name="code" type="uint"/>
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<arg name="message" type="string"/>
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</event>
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<enum name="error">
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<description summary="global error values">
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These errors are global and can be emitted in response to any
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server request.
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</description>
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<entry name="invalid_object" value="0"
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summary="server couldn't find object"/>
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<entry name="invalid_method" value="1"
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summary="method doesn't exist on the specified interface"/>
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<entry name="no_memory" value="2"
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summary="server is out of memory"/>
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</enum>
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<event name="delete_id">
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<description summary="acknowledge object ID deletion">
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This event is used internally by the object ID management
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logic. When a client deletes an object, the server will send
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this event to acknowledge that it has seen the delete request.
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When the client receive this event, it will know that it can
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safely reuse the object ID.
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</description>
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<arg name="id" type="uint" />
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</event>
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</interface>
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<interface name="wl_registry" version="1">
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<description summary="global registry object">
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The global registry object. The server has a number of global
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objects that are available to all clients. These objects
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typically represent an actual object in the server (for example,
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an input device) or they are singleton objects that provide
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extension functionality.
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When a client creates a registry object, the registry object
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will emit a global event for each global currently in the
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registry. Globals come and go as a result of device or
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monitor hotplugs, reconfiguration or other events, and the
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registry will send out global and global_remove events to
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keep the client up to date with the changes. To mark the end
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of the initial burst of events, the client can use the
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wl_display.sync request immediately after calling
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wl_display.get_registry.
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A client can bind to a global object by using the bind
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request. This creates a client-side handle that lets the object
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emit events to the client and lets the client invoke requests on
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the object.
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</description>
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<request name="bind">
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<description summary="bind an object to the display">
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Binds a new, client-created object to the server using the
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specified name as the identifier.
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</description>
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<arg name="name" type="uint" summary="unique name for the object"/>
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<arg name="id" type="new_id"/>
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</request>
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<event name="global">
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<description summary="announce global object">
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Notify the client of global objects.
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The event notifies the client that a global object with
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the given name is now available, and it implements the
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given version of the given interface.
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</description>
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<arg name="name" type="uint"/>
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<arg name="interface" type="string"/>
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<arg name="version" type="uint"/>
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</event>
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<event name="global_remove">
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<description summary="announce removal of global object">
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Notify the client of removed global objects.
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This event notifies the client that the global identified
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by name is no longer available. If the client bound to
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the global using the bind request, the client should now
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destroy that object.
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The object remains valid and requests to the object will be
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ignored until the client destroys it, to avoid races between
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the global going away and a client sending a request to it.
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</description>
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<arg name="name" type="uint"/>
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</event>
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</interface>
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<interface name="wl_callback" version="1">
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<description summary="callback object">
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Clients can handle the 'done' event to get notified when
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the related request is done.
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</description>
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<event name="done">
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<description summary="done event">
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Notify the client when the related request is done.
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</description>
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<arg name="serial" type="uint" summary="serial of the event"/>
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</event>
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</interface>
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<interface name="wl_compositor" version="2">
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<description summary="the compositor singleton">
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A compositor. This object is a singleton global. The
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compositor is in charge of combining the contents of multiple
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surfaces into one displayable output.
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</description>
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<request name="create_surface">
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<description summary="create new surface">
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Ask the compositor to create a new surface.
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</description>
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<arg name="id" type="new_id" interface="wl_surface"/>
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</request>
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<request name="create_region">
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<description summary="create new region">
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Ask the compositor to create a new region.
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</description>
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<arg name="id" type="new_id" interface="wl_region"/>
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</request>
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</interface>
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<interface name="wl_shm_pool" version="1">
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<description summary="a shared memory pool">
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The wl_shm_pool object encapsulates a piece of memory shared
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between the compositor and client. Through the wl_shm_pool
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object, the client can allocate shared memory wl_buffer objects.
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All objects created through the same pool share the same
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underlying mapped memory. Reusing the mapped memory avoids the
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setup/teardown overhead and is useful when interactively resizing
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a surface or for many small buffers.
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</description>
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<request name="create_buffer">
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<description summary="create a buffer from the pool">
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Create a wl_buffer object from the pool.
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The buffer is created offset bytes into the pool and has
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width and height as specified. The stride arguments specifies
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the number of bytes from beginning of one row to the beginning
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of the next. The format is the pixel format of the buffer and
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must be one of those advertised through the wl_shm.format event.
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A buffer will keep a reference to the pool it was created from
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so it is valid to destroy the pool immediately after creating
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a buffer from it.
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</description>
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<arg name="id" type="new_id" interface="wl_buffer"/>
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<arg name="offset" type="int"/>
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<arg name="width" type="int"/>
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<arg name="height" type="int"/>
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<arg name="stride" type="int"/>
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<arg name="format" type="uint"/>
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</request>
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<request name="destroy" type="destructor">
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<description summary="destroy the pool">
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Destroy the shared memory pool.
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The mmapped memory will be released when all
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buffers that have been created from this pool
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are gone.
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</description>
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</request>
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<request name="resize">
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<description summary="change the size of the pool mapping">
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This request will cause the server to remap the backing memory
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for the pool from the file descriptor passed when the pool was
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created, but using the new size.
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</description>
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<arg name="size" type="int"/>
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</request>
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</interface>
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<interface name="wl_shm" version="1">
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<description summary="shared memory support">
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A global singleton object that provides support for shared
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memory.
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Clients can create wl_shm_pool objects using the create_pool
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request.
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At connection setup time, the wl_shm object emits one or more
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format events to inform clients about the valid pixel formats
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that can be used for buffers.
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</description>
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<enum name="error">
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<description summary="wl_shm error values">
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These errors can be emitted in response to wl_shm requests.
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</description>
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<entry name="invalid_format" value="0" summary="buffer format is not known"/>
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<entry name="invalid_stride" value="1" summary="invalid size or stride during pool or buffer creation"/>
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<entry name="invalid_fd" value="2" summary="mmapping the file descriptor failed"/>
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</enum>
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<enum name="format">
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<description summary="pixel formats">
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This describes the memory layout of an individual pixel.
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</description>
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<entry name="argb8888" value="0" summary="32-bit ARGB format"/>
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<entry name="xrgb8888" value="1" summary="32-bit RGB format"/>
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</enum>
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<request name="create_pool">
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<description summary="create a shm pool">
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Create a new wl_shm_pool object.
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The pool can be used to create shared memory based buffer
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objects. The server will mmap size bytes of the passed file
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descriptor, to use as backing memory for the pool.
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</description>
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<arg name="id" type="new_id" interface="wl_shm_pool"/>
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<arg name="fd" type="fd"/>
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<arg name="size" type="int"/>
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</request>
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<event name="format">
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<description summary="pixel format description">
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Informs the client about a valid pixel format that
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can be used for buffers. Known formats include
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argb8888 and xrgb8888.
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</description>
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<arg name="format" type="uint"/>
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</event>
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</interface>
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<interface name="wl_buffer" version="1">
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<description summary="content for a wl_surface">
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A buffer provides the content for a wl_surface. Buffers are
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created through factory interfaces such as wl_drm, wl_shm or
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similar. It has a width and a height and can be attached to a
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wl_surface, but the mechanism by which a client provides and
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updates the contents is defined by the buffer factory interface.
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</description>
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<request name="destroy" type="destructor">
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<description summary="destroy a buffer">
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Destroy a buffer. If and how you need to release the backing
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storage is defined by the buffer factory interface.
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For possible side-effects to a surface, see wl_surface.attach.
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</description>
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</request>
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<event name="release">
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<description summary="compositor releases buffer">
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Sent when this wl_buffer is no longer used by the compositor.
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The client is now free to re-use or destroy this buffer and its
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backing storage.
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If a client receives a release event before the frame callback
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requested in the same wl_surface.commit that attaches this
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wl_buffer to a surface, then the client is immediately free to
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re-use the buffer and its backing storage, and does not need a
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second buffer for the next surface content update. Typically
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this is possible, when the compositor maintains a copy of the
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wl_surface contents, e.g. as a GL texture. This is an important
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optimization for GL(ES) compositors with wl_shm clients.
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</description>
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</event>
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</interface>
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<interface name="wl_data_offer" version="1">
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<description summary="offer to transfer data">
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A wl_data_offer represents a piece of data offered for transfer
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by another client (the source client). It is used by the
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copy-and-paste and drag-and-drop mechanisms. The offer
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describes the different mime types that the data can be
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converted to and provides the mechanism for transferring the
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data directly from the source client.
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</description>
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<request name="accept">
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<description summary="accept one of the offered mime-types">
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Indicate that the client can accept the given mime-type, or
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NULL for not accepted. Use for feedback during drag and drop.
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</description>
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<arg name="serial" type="uint"/>
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<arg name="type" type="string" allow-null="true"/>
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</request>
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<request name="receive">
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<description summary="request that the data is transferred">
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To transfer the offered data, the client issues this request
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and indicates the mime-type it wants to receive. The transfer
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happens through the passed fd (typically a pipe(7) file
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descriptor). The source client writes the data in the
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mime-type representation requested and then closes the fd.
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The receiving client reads from the read end of the pipe until
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EOF and the closes its end, at which point the transfer is
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complete.
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</description>
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<arg name="mime_type" type="string"/>
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<arg name="fd" type="fd"/>
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</request>
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<request name="destroy" type="destructor"/>
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<event name="offer">
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<description summary="advertise offered mime-type">
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Sent immediately after creating the wl_data_offer object. One
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event per offered mime type.
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</description>
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<arg name="type" type="string"/>
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</event>
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</interface>
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<interface name="wl_data_source" version="1">
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<description summary="offer to transfer data">
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The wl_data_source object is the source side of a wl_data_offer.
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It is created by the source client in a data transfer and
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provides a way to describe the offered data and a way to respond
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to requests to transfer the data.
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</description>
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<request name="offer">
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<description summary="add an offered mime type">
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This request adds a mime-type to the set of mime-types
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advertised to targets. Can be called several times to offer
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multiple types.
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</description>
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<arg name="type" type="string"/>
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</request>
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<request name="destroy" type="destructor">
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<description summary="destroy the data source">
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Destroy the data source.
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</description>
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</request>
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<event name="target">
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<description summary="a target accepts an offered mime-type">
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Sent when a target accepts pointer_focus or motion events. If
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a target does not accept any of the offered types, type is NULL.
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</description>
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<arg name="mime_type" type="string" allow-null="true"/>
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</event>
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<event name="send">
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<description summary="send the data">
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Request for data from another client. Send the data as the
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specified mime-type over the passed fd, then close the fd.
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</description>
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<arg name="mime_type" type="string"/>
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<arg name="fd" type="fd"/>
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</event>
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<event name="cancelled">
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<description summary="selection was cancelled">
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This data source has been replaced by another data source.
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The client should clean up and destroy this data source.
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</description>
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</event>
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</interface>
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<interface name="wl_data_device" version="1">
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<request name="start_drag">
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<description summary="start drag and drop operation">
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This request asks the compositor to start a drag and drop
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operation on behalf of the client.
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The source argument is the data source that provides the data
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for the eventual data transfer. If source is NULL, enter, leave
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and motion events are sent only to the client that initiated the
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drag and the client is expected to handle the data passing
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internally.
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The origin surface is the surface where the drag originates and
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the client must have an active implicit grab that matches the
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serial.
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The icon surface is an optional (can be nil) surface that
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provides an icon to be moved around with the cursor. Initially,
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the top-left corner of the icon surface is placed at the cursor
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hotspot, but subsequent wl_surface.attach request can move the
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relative position. Attach requests must be confirmed with
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wl_surface.commit as usual.
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The current and pending input regions of the icon wl_surface are
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cleared, and wl_surface.set_input_region is ignored until the
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wl_surface is no longer used as the icon surface. When the use
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as an icon ends, the the current and pending input regions
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become undefined, and the wl_surface is unmapped.
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</description>
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<arg name="source" type="object" interface="wl_data_source" allow-null="true"/>
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<arg name="origin" type="object" interface="wl_surface"/>
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<arg name="icon" type="object" interface="wl_surface" allow-null="true"/>
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<arg name="serial" type="uint"/>
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</request>
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<request name="set_selection">
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<arg name="source" type="object" interface="wl_data_source" allow-null="true"/>
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<arg name="serial" type="uint"/>
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</request>
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<event name="data_offer">
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<description summary="introduce a new wl_data_offer">
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The data_offer event introduces a new wl_data_offer object,
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which will subsequently be used in either the
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data_device.enter event (for drag and drop) or the
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data_device.selection event (for selections). Immediately
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following the data_device_data_offer event, the new data_offer
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object will send out data_offer.offer events to describe the
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mime-types it offers.
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</description>
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<arg name="id" type="new_id" interface="wl_data_offer"/>
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</event>
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<event name="enter">
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<description summary="initiate drag and drop session">
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This event is sent when an active drag-and-drop pointer enters
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a surface owned by the client. The position of the pointer at
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enter time is provided by the @x an @y arguments, in surface
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local coordinates.
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</description>
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<arg name="serial" type="uint"/>
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<arg name="surface" type="object" interface="wl_surface"/>
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<arg name="x" type="fixed"/>
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<arg name="y" type="fixed"/>
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<arg name="id" type="object" interface="wl_data_offer" allow-null="true"/>
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</event>
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<event name="leave">
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<description summary="end drag and drop session">
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This event is sent when the drag-and-drop pointer leaves the
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surface and the session ends. The client must destroy the
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wl_data_offer introduced at enter time at this point.
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</description>
|
|
</event>
|
|
|
|
<event name="motion">
|
|
<description summary="drag and drop session motion">
|
|
This event is sent when the drag-and-drop pointer moves within
|
|
the currently focused surface. The new position of the pointer
|
|
is provided by the @x an @y arguments, in surface local
|
|
coordinates.
|
|
</description>
|
|
<arg name="time" type="uint"/>
|
|
<arg name="x" type="fixed"/>
|
|
<arg name="y" type="fixed"/>
|
|
</event>
|
|
|
|
<event name="drop"/>
|
|
|
|
<event name="selection">
|
|
<description summary="advertise new selection">
|
|
The selection event is sent out to notify the client of a new
|
|
wl_data_offer for the selection for this device. The
|
|
data_device.data_offer and the data_offer.offer events are
|
|
sent out immediately before this event to introduce the data
|
|
offer object. The selection event is sent to a client
|
|
immediately before receiving keyboard focus and when a new
|
|
selection is set while the client has keyboard focus. The
|
|
data_offer is valid until a new data_offer or NULL is received
|
|
or until the client loses keyboard focus.
|
|
</description>
|
|
<arg name="id" type="object" interface="wl_data_offer" allow-null="true"/>
|
|
</event>
|
|
</interface>
|
|
|
|
<interface name="wl_data_device_manager" version="1">
|
|
<description summary="data transfer interface">
|
|
The wl_data_device_manager is a a singleton global object that
|
|
provides access to inter-client data transfer mechanisms such as
|
|
copy and paste and drag and drop. These mechanisms are tied to
|
|
a wl_seat and this interface lets a client get a wl_data_device
|
|
corresponding to a wl_seat.
|
|
</description>
|
|
|
|
<request name="create_data_source">
|
|
<arg name="id" type="new_id" interface="wl_data_source"/>
|
|
</request>
|
|
|
|
<request name="get_data_device">
|
|
<arg name="id" type="new_id" interface="wl_data_device"/>
|
|
<arg name="seat" type="object" interface="wl_seat"/>
|
|
</request>
|
|
</interface>
|
|
|
|
<interface name="wl_shell" version="1">
|
|
<request name="get_shell_surface">
|
|
<arg name="id" type="new_id" interface="wl_shell_surface"/>
|
|
<arg name="surface" type="object" interface="wl_surface"/>
|
|
</request>
|
|
</interface>
|
|
|
|
<interface name="wl_shell_surface" version="1">
|
|
|
|
<description summary="desktop style meta data interface">
|
|
An interface implemented by a wl_surface. On server side the
|
|
object is automatically destroyed when the related wl_surface is
|
|
destroyed. On client side, wl_shell_surface_destroy() must be
|
|
called before destroying the wl_surface object.
|
|
</description>
|
|
|
|
<request name="pong">
|
|
<description summary="respond to a ping event">
|
|
A client must respond to a ping event with a pong request or
|
|
the client may be deemed unresponsive.
|
|
</description>
|
|
<arg name="serial" type="uint"/>
|
|
</request>
|
|
|
|
<request name="move">
|
|
<arg name="seat" type="object" interface="wl_seat"/>
|
|
<arg name="serial" 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="seat" type="object" interface="wl_seat"/>
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="edges" type="uint"/>
|
|
</request>
|
|
|
|
<request name="set_toplevel">
|
|
<description summary="make the surface a top level surface">
|
|
Make the surface a toplevel window.
|
|
</description>
|
|
</request>
|
|
|
|
<enum name="transient">
|
|
<entry name="inactive" value="0x1" summary="do not set keyboard focus"/>
|
|
</enum>
|
|
|
|
<request name="set_transient">
|
|
<description summary="make the surface a transient surface">
|
|
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.
|
|
</description>
|
|
|
|
<arg name="parent" type="object" interface="wl_surface"/>
|
|
<arg name="x" type="int"/>
|
|
<arg name="y" type="int"/>
|
|
<arg name="flags" type="uint"/>
|
|
</request>
|
|
|
|
<request name="set_fullscreen">
|
|
<description summary="make the surface a fullscreen surface">
|
|
Map the surface as a fullscreen surface. If an output parameter is
|
|
given then the surface will be made fullscreen on that output. If the
|
|
client does not specify the output then the compositor will apply its
|
|
policy - usually choosing the output on which the surface has the
|
|
biggest surface area.
|
|
|
|
The client may specify a method to resolve a size conflict between the
|
|
output size and the surface size - this is provided through the
|
|
fullscreen_method parameter.
|
|
|
|
The framerate parameter is used only when the fullscreen_method is set
|
|
to "driver", to indicate the preferred framerate. framerate=0 indicates
|
|
that the app does not care about framerate. The framerate is
|
|
specified in mHz, that is framerate of 60000 is 60Hz.
|
|
|
|
The compositor must reply to this request with a configure event with
|
|
the dimensions for the output on which the surface will be made fullscreen.
|
|
</description>
|
|
<arg name="method" type="uint"/>
|
|
<arg name="framerate" type="uint"/>
|
|
<arg name="output" type="object" interface="wl_output" allow-null="true"/>
|
|
</request>
|
|
|
|
<enum name="fullscreen_method">
|
|
<description summary="different method to set the surface fullscreen">
|
|
Hints to indicate compositor how to deal with a conflict between the
|
|
dimensions for the surface and the dimensions of the output. As a hint
|
|
the compositor is free to ignore this parameter.
|
|
|
|
"default" The client has no preference on fullscreen behavior,
|
|
policies are determined by compositor.
|
|
|
|
"scale" The client prefers scaling by the compositor. Scaling would
|
|
always preserve surface's aspect ratio with surface centered on the
|
|
output
|
|
|
|
"driver" The client wants to switch video mode to the smallest mode
|
|
that can fit the client buffer. If the sizes do not match the
|
|
compositor must add black borders.
|
|
|
|
"fill" The surface is centered on the output on the screen with no
|
|
scaling. If the surface is of insufficient size the compositor must
|
|
add black borders.
|
|
</description>
|
|
<entry name="default" value="0"/>
|
|
<entry name="scale" value="1"/>
|
|
<entry name="driver" value="2"/>
|
|
<entry name="fill" value="3"/>
|
|
</enum>
|
|
|
|
<request name="set_popup">
|
|
<description summary="make the surface a popup surface">
|
|
Popup surfaces. Will switch an implicit grab into
|
|
owner-events mode, and grab will continue after the implicit
|
|
grab ends (button released). Once the implicit grab is over,
|
|
the popup grab continues until the window is destroyed or a
|
|
mouse button is pressed in any other clients window. A click
|
|
in any of the clients surfaces is reported as normal, however,
|
|
clicks in other clients surfaces will be discarded and trigger
|
|
the callback.
|
|
|
|
TODO: Grab keyboard too, maybe just terminate on any click
|
|
inside or outside the surface?
|
|
</description>
|
|
|
|
<arg name="seat" type="object" interface="wl_seat"/>
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="parent" type="object" interface="wl_surface"/>
|
|
<arg name="x" type="int"/>
|
|
<arg name="y" type="int"/>
|
|
<arg name="flags" type="uint"/>
|
|
</request>
|
|
|
|
<request name="set_maximized">
|
|
<description summary="make the surface a maximized surface">
|
|
A request from the client to notify the compositor the maximized
|
|
operation. The compositor will reply with a configure event telling
|
|
the expected new surface size. The operation is completed on the
|
|
next buffer attach to this surface.
|
|
A maximized client will fill the fullscreen of the output it is bound
|
|
to, except the panel area. This is the main difference between
|
|
a maximized shell surface and a fullscreen shell surface.
|
|
</description>
|
|
<arg name="output" type="object" interface="wl_output" allow-null="true"/>
|
|
</request>
|
|
|
|
<request name="set_title">
|
|
<description summary="set surface title">
|
|
</description>
|
|
<arg name="title" type="string"/>
|
|
</request>
|
|
|
|
<request name="set_class">
|
|
<description summary="set surface class">
|
|
The surface class identifies the general class of applications
|
|
to which the surface belongs. The class is the file name of
|
|
the applications .desktop file (absolute path if non-standard
|
|
location).
|
|
</description>
|
|
<arg name="class_" type="string"/>
|
|
</request>
|
|
|
|
<event name="ping">
|
|
<description summary="ping client">
|
|
Ping a client to check if it is receiving events and sending
|
|
requests. A client is expected to reply with a pong request.
|
|
</description>
|
|
<arg name="serial" type="uint"/>
|
|
</event>
|
|
|
|
<event name="configure">
|
|
<description summary="suggest resize">
|
|
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 ratio or resize in steps of NxM pixels). The
|
|
client is free to dismiss all but the last configure event it
|
|
received.
|
|
</description>
|
|
|
|
<arg name="edges" type="uint"/>
|
|
<arg name="width" type="int"/>
|
|
<arg name="height" type="int"/>
|
|
</event>
|
|
|
|
<event name="popup_done">
|
|
<description summary="popup interaction is done">
|
|
The popup_done event is sent out when a popup grab is broken,
|
|
that is, when the users clicks a surface that doesn't belong
|
|
to the client owning the popup surface.
|
|
</description>
|
|
</event>
|
|
</interface>
|
|
|
|
<interface name="wl_surface" version="2">
|
|
<description summary="an onscreen surface">
|
|
A surface. This is an image that is displayed on the screen.
|
|
It has a location, size and pixel contents.
|
|
</description>
|
|
|
|
<request name="destroy" type="destructor">
|
|
<description summary="delete surface">
|
|
Deletes the surface and invalidates its object id.
|
|
</description>
|
|
</request>
|
|
|
|
<request name="attach">
|
|
<description summary="set the surface contents">
|
|
Set the contents of a buffer into this surface. The x and y
|
|
arguments specify the location of the new pending buffer's upper
|
|
left corner, relative to the current buffer's upper left corner. In
|
|
other words, the x and y, and the width and height of the wl_buffer
|
|
together define in which directions the surface's size changes.
|
|
|
|
Surface contents are double-buffered state, see wl_surface.commit.
|
|
|
|
The initial surface contents are void; there is no content.
|
|
wl_surface.attach assigns the given wl_buffer as the pending wl_buffer.
|
|
wl_surface.commit makes the pending wl_buffer the new
|
|
surface contents, and the size of the surface becomes the size of
|
|
the wl_buffer. After commit, there is no pending buffer until the
|
|
next attach.
|
|
|
|
Committing a pending wl_buffer allows the compositor to read the
|
|
pixels in the wl_buffer. The compositor may access the pixels at any
|
|
time after the wl_surface.commit request. When the compositor will
|
|
not access the pixels anymore, it will send the wl_buffer.release
|
|
event. Only after receiving wl_buffer.release, the client may re-use
|
|
the wl_buffer. A wl_buffer, that has been attached and then replaced
|
|
by another attach instead of committed, will not receive a release
|
|
event, and is not used by the compositor.
|
|
|
|
Destroying the wl_buffer after wl_buffer.release does not change the
|
|
surface contents. However, if the client destroys the wl_buffer
|
|
before receiving wl_buffer.release, the surface contents become
|
|
undefined immediately.
|
|
|
|
Only if wl_surface.attach is sent with a nil wl_buffer, the
|
|
following wl_surface.commit will remove the surface content.
|
|
</description>
|
|
|
|
<arg name="buffer" type="object" interface="wl_buffer" allow-null="true"/>
|
|
<arg name="x" type="int"/>
|
|
<arg name="y" type="int"/>
|
|
</request>
|
|
|
|
<request name="damage">
|
|
<description summary="mark part of the surface damaged">
|
|
This request is used to describe the regions where the pending
|
|
buffer is different from the current surface contents, and where
|
|
the surface therefore needs to be repainted. The pending buffer must
|
|
be set by wl_surface.attach before sending damage. The compositor
|
|
ignores the parts of the damage that fall outside of the surface.
|
|
|
|
Damage is double-buffered state, see wl_surface.commit.
|
|
|
|
The initial value for pending damage is empty: no damage.
|
|
wl_surface.damage adds pending damage: the new pending damage is the
|
|
union of old pending damage and the given rectangle.
|
|
wl_surface.commit assigns pending damage as the current damage, and
|
|
clears pending damage. The server will clear the current damage as
|
|
it repaints the surface.
|
|
</description>
|
|
|
|
<arg name="x" type="int"/>
|
|
<arg name="y" type="int"/>
|
|
<arg name="width" type="int"/>
|
|
<arg name="height" type="int"/>
|
|
</request>
|
|
|
|
<request name="frame">
|
|
<description summary="request repaint feedback">
|
|
Request notification when the next frame is displayed. Useful
|
|
for throttling redrawing operations, and driving animations.
|
|
The frame request will take effect on the next wl_surface.commit.
|
|
The notification will only be posted for one frame unless
|
|
requested again.
|
|
|
|
A server should avoid signalling the frame callbacks if the
|
|
surface is not visible in any way, e.g. the surface is off-screen,
|
|
or completely obscured by other opaque surfaces.
|
|
|
|
A client can request a frame callback even without an attach,
|
|
damage, or any other state changes. wl_surface.commit triggers a
|
|
display update, so the callback event will arrive after the next
|
|
output refresh where the surface is visible.
|
|
</description>
|
|
|
|
<arg name="callback" type="new_id" interface="wl_callback"/>
|
|
</request>
|
|
|
|
<request name="set_opaque_region">
|
|
<description summary="set opaque region">
|
|
This request sets the region of the surface that contains
|
|
opaque content. The opaque region is an optimization hint for
|
|
the compositor that lets it optimize out redrawing of content
|
|
behind opaque regions. Setting an opaque region is not
|
|
required for correct behaviour, but marking transparent
|
|
content as opaque will result in repaint artifacts.
|
|
The compositor ignores the parts of the opaque region that fall
|
|
outside of the surface.
|
|
|
|
Opaque region is double-buffered state, see wl_surface.commit.
|
|
|
|
wl_surface.set_opaque_region changes the pending opaque region.
|
|
wl_surface.commit copies the pending region to the current region.
|
|
Otherwise the pending and current regions are never changed.
|
|
|
|
The initial value for opaque region is empty. Setting the pending
|
|
opaque region has copy semantics, and the wl_region object can be
|
|
destroyed immediately. A nil wl_region causes the pending opaque
|
|
region to be set to empty.
|
|
</description>
|
|
|
|
<arg name="region" type="object" interface="wl_region" allow-null="true"/>
|
|
</request>
|
|
|
|
<request name="set_input_region">
|
|
<description summary="set input region">
|
|
This request sets the region of the surface that can receive
|
|
pointer and touch events. Input events happening outside of
|
|
this region will try the next surface in the server surface
|
|
stack. The compositor ignores the parts of the input region that
|
|
fall outside of the surface.
|
|
|
|
Input region is double-buffered state, see wl_surface.commit.
|
|
|
|
wl_surface.set_input_region changes the pending input region.
|
|
wl_surface.commit copies the pending region to the current region.
|
|
Otherwise the pending and current regions are never changed,
|
|
except cursor and icon surfaces are special cases, see
|
|
wl_pointer.set_cursor and wl_data_device.start_drag.
|
|
|
|
The initial value for input region is infinite. That means the whole
|
|
surface will accept input. Setting the pending input region has copy
|
|
semantics, and the wl_region object can be destroyed immediately. A
|
|
nil wl_region causes the input region to be set to infinite.
|
|
</description>
|
|
|
|
<arg name="region" type="object" interface="wl_region" allow-null="true"/>
|
|
</request>
|
|
|
|
<request name="commit">
|
|
<description summary="commit pending surface state">
|
|
Surface state (input, opaque, and damage regions, attached buffers,
|
|
etc.) is double-buffered. Protocol requests modify the pending
|
|
state, as opposed to current state in use by the compositor. Commit
|
|
request atomically applies all pending state, replacing the current
|
|
state. After commit, the new pending state is as documented for each
|
|
related request.
|
|
|
|
On commit, a pending wl_buffer is applied first, all other state
|
|
second. This means that all coordinates in double-buffered state are
|
|
relative to the new wl_buffer coming into use, except for
|
|
wl_surface.attach itself. If there is no pending wl_buffer, the
|
|
coordinates are relative to the current surface contents.
|
|
|
|
All requests that need a commit to become effective are documented
|
|
to affect double-buffered state.
|
|
|
|
Other interfaces may add further double-buffered surface state.
|
|
</description>
|
|
</request>
|
|
|
|
<event name="enter">
|
|
<description summary="surface enters an output">
|
|
This is emitted whenever a surface's creation, movement, or resizing
|
|
results in some part of it being within the scanout region of an
|
|
output.
|
|
</description>
|
|
<arg name="output" type="object" interface="wl_output"/>
|
|
</event>
|
|
|
|
<event name="leave">
|
|
<description summary="surface leaves an output">
|
|
This is emitted whenever a surface's creation, movement, or resizing
|
|
results in it no longer having any part of it within the scanout region
|
|
of an output.
|
|
</description>
|
|
<arg name="output" type="object" interface="wl_output"/>
|
|
</event>
|
|
|
|
<!-- Version 2 additions -->
|
|
|
|
<request name="set_buffer_transform" since="2">
|
|
<description summary="sets the buffer transformation">
|
|
This request sets an optional transformation on how the compositor
|
|
interprets the contents of the buffer attached to the surface. The
|
|
accepted values for the transform parameter are the values for
|
|
wl_output.transform.
|
|
|
|
Buffer transform is double-buffered state, see wl_surface.commit.
|
|
|
|
A newly created surface has its buffer transformation set to normal.
|
|
|
|
The purpose of this request is to allow clients to render content
|
|
according to the output transform, thus permiting the compositor to
|
|
use certain optimizations even if the display is rotated. Using
|
|
hardware overlays and scanning out a client buffer for fullscreen
|
|
surfaces are examples of such optmizations. Those optimizations are
|
|
highly dependent on the compositor implementation, so the use of this
|
|
request should be considered on a case-by-case basis.
|
|
|
|
Note that if the transform value includes 90 or 270 degree rotation,
|
|
the width of the buffer will become the surface height and the height
|
|
of the buffer will become the surface width.
|
|
</description>
|
|
<arg name="transform" type="int"/>
|
|
</request>
|
|
</interface>
|
|
|
|
<interface name="wl_seat" version="1">
|
|
<description summary="seat">
|
|
A group of keyboards, pointer (mice, for example) and touch
|
|
devices . This object is published as a global during start up,
|
|
or when such a device is hot plugged. A seat typically has a
|
|
pointer and maintains a keyboard_focus and a pointer_focus.
|
|
</description>
|
|
|
|
<enum name="capability">
|
|
<description summary="seat capability bitmask">
|
|
This is a bitmask of capabilities this seat has; if a member is
|
|
set, then it is present on the seat.
|
|
</description>
|
|
<entry name="pointer" value="1" summary="wl_pointer"/>
|
|
<entry name="keyboard" value="2" summary="wl_keyboard"/>
|
|
<entry name="touch" value="4" summary="wl_touch"/>
|
|
</enum>
|
|
|
|
|
|
<event name="capabilities">
|
|
<description summary="seat capabilities changed">
|
|
This is emitted whenever a seat gains or loses the pointer,
|
|
keyboard or touch capabilities. The argument is a wl_seat_caps_mask
|
|
enum containing the complete set of capabilities this seat has.
|
|
</description>
|
|
<arg name="capabilities" type="uint"/>
|
|
</event>
|
|
|
|
<request name="get_pointer">
|
|
<description summary="return pointer object">
|
|
The ID provided will be initialized to the wl_pointer interface
|
|
for this seat.
|
|
</description>
|
|
<arg name="id" type="new_id" interface="wl_pointer"/>
|
|
</request>
|
|
|
|
<request name="get_keyboard">
|
|
<description summary="return pointer object">
|
|
The ID provided will be initialized to the wl_keyboard interface
|
|
for this seat.
|
|
</description>
|
|
<arg name="id" type="new_id" interface="wl_keyboard"/>
|
|
</request>
|
|
|
|
<request name="get_touch">
|
|
<description summary="return pointer object">
|
|
The ID provided will be initialized to the wl_touch interface
|
|
for this seat.
|
|
</description>
|
|
<arg name="id" type="new_id" interface="wl_touch"/>
|
|
</request>
|
|
</interface>
|
|
|
|
<interface name="wl_pointer" version="1">
|
|
<request name="set_cursor">
|
|
<description summary="set the pointer surface">
|
|
Set the pointer surface, i.e., the surface that contains the
|
|
pointer image (cursor). This request only takes effect if the pointer
|
|
focus for this device is one of the requesting client's surfaces
|
|
or the surface parameter is the current pointer surface. If
|
|
there was a previous surface set with this request it is
|
|
replaced. If surface is NULL, the pointer image is hidden.
|
|
|
|
The parameters hotspot_x and hotspot_y define the position of
|
|
the pointer surface relative to the pointer location. Its
|
|
top-left corner is always at (x, y) - (hotspot_x, hotspot_y),
|
|
where (x, y) are the coordinates of the pointer location.
|
|
|
|
On surface.attach requests to the pointer surface, hotspot_x
|
|
and hotspot_y are decremented by the x and y parameters
|
|
passed to the request. Attach must be confirmed by
|
|
wl_surface.commit as usual.
|
|
|
|
The hotspot can also be updated by passing the currently set
|
|
pointer surface to this request with new values for hotspot_x
|
|
and hotspot_y.
|
|
|
|
The current and pending input regions of the wl_surface are
|
|
cleared, and wl_surface.set_input_region is ignored until the
|
|
wl_surface is no longer used as the cursor. When the use as a
|
|
cursor ends, the current and pending input regions become
|
|
undefined, and the wl_surface is unmapped.
|
|
</description>
|
|
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="surface" type="object" interface="wl_surface" allow-null="true"/>
|
|
<arg name="hotspot_x" type="int"/>
|
|
<arg name="hotspot_y" type="int"/>
|
|
</request>
|
|
|
|
<event name="enter">
|
|
<description summary="enter event">
|
|
Notification that this seat's pointer is focused on a certain
|
|
surface. When an seat's focus enters a surface, the pointer image
|
|
is undefined and a client should respond to this event by setting
|
|
an appropriate pointer image.
|
|
</description>
|
|
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="surface" type="object" interface="wl_surface"/>
|
|
<arg name="surface_x" type="fixed"/>
|
|
<arg name="surface_y" type="fixed"/>
|
|
</event>
|
|
|
|
<event name="leave">
|
|
<description summary="leave event">
|
|
</description>
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="surface" type="object" interface="wl_surface"/>
|
|
</event>
|
|
|
|
<event name="motion">
|
|
<description summary="pointer motion event">
|
|
Notification of pointer location change. The arguments surface_[xy]
|
|
are the location relative to the focused surface.
|
|
</description>
|
|
|
|
<arg name="time" type="uint"/>
|
|
<arg name="surface_x" type="fixed"/>
|
|
<arg name="surface_y" type="fixed"/>
|
|
</event>
|
|
|
|
<enum name="button_state">
|
|
<description summary="physical button state">
|
|
Describes the physical state of a button which provoked the button
|
|
event.
|
|
</description>
|
|
<entry name="released" value="0" summary="button is not pressed"/>
|
|
<entry name="pressed" value="1" summary="button is pressed"/>
|
|
</enum>
|
|
|
|
<event name="button">
|
|
<description summary="pointer button event">
|
|
Mouse button click and release notifications. The location
|
|
of the click is given by the last motion or pointer_focus event.
|
|
</description>
|
|
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="time" type="uint"/>
|
|
<arg name="button" type="uint"/>
|
|
<arg name="state" type="uint"/>
|
|
</event>
|
|
|
|
<enum name="axis">
|
|
<description summary="axis types"/>
|
|
<entry name="vertical_scroll" value="0"/>
|
|
<entry name="horizontal_scroll" value="1"/>
|
|
</enum>
|
|
|
|
<event name="axis">
|
|
<description summary="axis event">
|
|
Scroll and other axis notifications.
|
|
|
|
For scroll events (vertical and horizontal scroll axes), the
|
|
value parameter is the length of a vector along the specified
|
|
axis in a coordinate space identical to those of motion events,
|
|
representing a relative movement along the specified axis.
|
|
|
|
For devices that support movements non-parallel to axes multiple
|
|
axis events will be emitted.
|
|
|
|
When applicable, for example for touch pads, the server can
|
|
choose to emit scroll events where the motion vector is
|
|
equivalent to a motion event vector.
|
|
|
|
When applicable, clients can transform its view relative to the
|
|
scroll distance.
|
|
</description>
|
|
|
|
<arg name="time" type="uint"/>
|
|
<arg name="axis" type="uint"/>
|
|
<arg name="value" type="fixed"/>
|
|
</event>
|
|
</interface>
|
|
|
|
<interface name="wl_keyboard" version="1">
|
|
<description summary="keyboard input device">
|
|
</description>
|
|
|
|
<enum name="keymap_format">
|
|
<description summary="keyboard mapping format">
|
|
This enum specifies the format of the keymap provided to the client
|
|
with the wl_keyboard::keymap event.
|
|
</description>
|
|
<entry name="xkb_v1" value="1" description="libxkbcommon compatible"/>
|
|
</enum>
|
|
|
|
<event name="keymap">
|
|
<description summary="keyboard mapping">
|
|
This event provides a file descriptor to the client which can be
|
|
memory-mapped to provide a keyboard mapping description.
|
|
</description>
|
|
<arg name="format" type="uint"/>
|
|
<arg name="fd" type="fd"/>
|
|
<arg name="size" type="uint"/>
|
|
</event>
|
|
|
|
<event name="enter">
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="surface" type="object" interface="wl_surface"/>
|
|
<arg name="keys" type="array"/>
|
|
</event>
|
|
|
|
<event name="leave">
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="surface" type="object" interface="wl_surface"/>
|
|
</event>
|
|
|
|
<enum name="key_state">
|
|
<description summary="physical key state">
|
|
Describes the physical state of a key which provoked the key event.
|
|
</description>
|
|
<entry name="released" value="0" summary="key is not pressed"/>
|
|
<entry name="pressed" value="1" summary="key is pressed"/>
|
|
</enum>
|
|
|
|
<event name="key">
|
|
<description summary="key event">
|
|
A key was pressed or released.
|
|
</description>
|
|
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="time" type="uint"/>
|
|
<arg name="key" type="uint"/>
|
|
<arg name="state" type="uint"/>
|
|
</event>
|
|
|
|
<event name="modifiers">
|
|
<description summary="modifier and group state">
|
|
Notifies clients that the modifier and/or group state has
|
|
changed, and it should update its local state.
|
|
</description>
|
|
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="mods_depressed" type="uint"/>
|
|
<arg name="mods_latched" type="uint"/>
|
|
<arg name="mods_locked" type="uint"/>
|
|
<arg name="group" type="uint"/>
|
|
</event>
|
|
</interface>
|
|
|
|
<interface name="wl_touch" version="1">
|
|
<description summary="touch screen input device">
|
|
</description>
|
|
|
|
<event name="down">
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="time" type="uint"/>
|
|
<arg name="surface" type="object" interface="wl_surface"/>
|
|
<arg name="id" type="int" />
|
|
<arg name="x" type="fixed" />
|
|
<arg name="y" type="fixed" />
|
|
</event>
|
|
|
|
<event name="up">
|
|
<arg name="serial" type="uint"/>
|
|
<arg name="time" type="uint"/>
|
|
<arg name="id" type="int" />
|
|
</event>
|
|
|
|
<event name="motion">
|
|
<arg name="time" type="uint"/>
|
|
<arg name="id" type="int" />
|
|
<arg name="x" type="fixed" />
|
|
<arg name="y" type="fixed" />
|
|
</event>
|
|
|
|
<event name="frame">
|
|
<description summary="end of touch frame event">
|
|
Indicates the end of a contact point list.
|
|
</description>
|
|
</event>
|
|
|
|
<event name="cancel">
|
|
<description summary="touch session cancelled">
|
|
Sent if the compositor decides the touch stream is a global
|
|
gesture. No further events are sent to the clients from that
|
|
particular gesture.
|
|
</description>
|
|
</event>
|
|
</interface>
|
|
|
|
|
|
<interface name="wl_output" version="1">
|
|
<description summary="compositor output region">
|
|
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.
|
|
</description>
|
|
|
|
<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>
|
|
|
|
<enum name="transform">
|
|
<description summary="transform from framebuffer to output">
|
|
This describes the transform that a compositor will apply to a
|
|
surface to compensate for the rotation or mirroring of an
|
|
output device.
|
|
|
|
The flipped values correspond to an initial flip around a
|
|
vertical axis followed by rotation.
|
|
|
|
The purpose is mainly to allow clients render accordingly and
|
|
tell the compositor, so that for fullscreen surfaces, the
|
|
compositor will still be able to scan out directly from client
|
|
surfaces.
|
|
</description>
|
|
|
|
<entry name="normal" value="0"/>
|
|
<entry name="90" value="1"/>
|
|
<entry name="180" value="2"/>
|
|
<entry name="270" value="3"/>
|
|
<entry name="flipped" value="4"/>
|
|
<entry name="flipped_90" value="5"/>
|
|
<entry name="flipped_180" value="6"/>
|
|
<entry name="flipped_270" value="7"/>
|
|
</enum>
|
|
|
|
<event name="geometry">
|
|
<description summary="properties of the output"/>
|
|
<arg name="x" type="int"
|
|
summary="x position within the global compositor space"/>
|
|
<arg name="y" type="int"
|
|
summary="y position within the global compositor space"/>
|
|
<arg name="physical_width" type="int"
|
|
summary="width in millimeters of the output"/>
|
|
<arg name="physical_height" type="int"
|
|
summary="height in millimeters of the output"/>
|
|
<arg name="subpixel" type="int"
|
|
summary="subpixel orientation of the output"/>
|
|
<arg name="make" type="string"
|
|
summary="textual description of the manufacturer"/>
|
|
<arg name="model" type="string"
|
|
summary="textual description of the model"/>
|
|
<arg name="transform" type="int"
|
|
summary="transform that maps framebuffer to output"/>
|
|
</event>
|
|
|
|
<enum name="mode">
|
|
<description summary="values for the flags bitfield in the mode event"/>
|
|
<entry name="current" value="0x1"
|
|
summary="indicates this is the current mode"/>
|
|
<entry name="preferred" value="0x2"
|
|
summary="indicates this is the preferred mode"/>
|
|
</enum>
|
|
|
|
<event name="mode">
|
|
<description summary="advertise available modes for the output">
|
|
The mode event describes an available mode for the output.
|
|
The event is sent when binding to the output object and there
|
|
will always be one mode, the current mode. The event is sent
|
|
again if an output changes mode, for the mode that is now
|
|
current. In other words, the current mode is always the last
|
|
mode that was received with the current flag set.
|
|
</description>
|
|
<arg name="flags" type="uint" summary="mask of wl_output_mode flags"/>
|
|
<arg name="width" type="int" summary="width of the mode in pixels"/>
|
|
<arg name="height" type="int" summary="height of the mode in pixels"/>
|
|
<arg name="refresh" type="int" summary="vertical refresh rate in mHz"/>
|
|
</event>
|
|
</interface>
|
|
|
|
<interface name="wl_region" version="1">
|
|
<description summary="region interface">
|
|
Region.
|
|
</description>
|
|
|
|
<request name="destroy" type="destructor">
|
|
<description summary="destroy region">
|
|
Destroy the region. This will invalidate the object id.
|
|
</description>
|
|
</request>
|
|
|
|
<request name="add">
|
|
<description summary="add rectangle to region">
|
|
Add the specified rectangle to the region
|
|
</description>
|
|
|
|
<arg name="x" type="int"/>
|
|
<arg name="y" type="int"/>
|
|
<arg name="width" type="int"/>
|
|
<arg name="height" type="int"/>
|
|
</request>
|
|
|
|
<request name="subtract">
|
|
<description summary="subtract rectangle from region">
|
|
Subtract the specified rectangle from the region
|
|
</description>
|
|
|
|
<arg name="x" type="int"/>
|
|
<arg name="y" type="int"/>
|
|
<arg name="width" type="int"/>
|
|
<arg name="height" type="int"/>
|
|
</request>
|
|
|
|
</interface>
|
|
|
|
</protocol>
|