mirror of
https://gitlab.freedesktop.org/wayland/wayland.git
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b3981136a1
Map the surface as a fullscreen surface. On the output the
surface is assigned to. The client can use different fulllscreen
method to fix the size mismatch issue: default, scale, driver
and fill.
Hints to indicate compositor how to deal with this fullscreen surface.
"default" means the client has no preference on fullscreen
behavior, policies are determined by compositor.
"scale" means the client prefers scaling by the compositor.
Scaling would always preserve surface's aspect ratio.
And the surface is centered.
"driver" means the client wants to switch video mode to the
smallest mode that can fit the client buffer. If the
sizes do not match, black borders are added. And the
framerate parameter is used for "driver" method,
to indicate the preferred framerate. framerate=0 means
that the app does not care about framerate
"fill" means the client wants to add blackborders to the
surface. This would be preferring 1:1 pixel mapping
in the monitor native video mode. The surface is
centered.
725 lines
25 KiB
XML
725 lines
25 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="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 @name as
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the identifier.
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</description>
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<arg name="name" type="uint" summary="unique number id for object"/>
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<arg name="interface" type="string"/>
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<arg name="version" type="uint"/>
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<arg name="id" type="new_id" interface="wl_object"/>
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</request>
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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 invoke the 'done' request
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on the provided wl_callback object. Since requests are
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handled in-order, this can be used as a barrier to ensure all
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previous requests 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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<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.
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</description>
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<arg name="object_id" type="object" interface="wl_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="global">
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<description summary="announce global object">
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Notify the client of global objects. These are objects that
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are created by the server. Globals are published on the
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initial client connection sequence, upon device hotplugs,
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device disconnects, reconfiguration or other events. A client
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can 'bind' to a global object by using the bind request. This
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creates a client side handle that lets the object emit events
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to the client and lets the client invoke requests on the
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object.
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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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</description>
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<arg name="name" type="uint"/>
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</event>
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<event name="delete_id">
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<description summary="acknowledge object id deletion">
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Server has deleted the id and client can now reuse it.
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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_callback" version="1">
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<event name="done">
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<arg name="time" type="uint"/>
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</event>
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</interface>
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<interface name="wl_compositor" version="1">
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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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</interface>
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<interface name="wl_shm" version="1">
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<description summary="shared memory support">
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Support for shared memory buffers.
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</description>
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<enum name="error">
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<entry name="invalid_format" value="0"/>
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<entry name="invalid_stride" value="1"/>
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<entry name="invalid_fd" value="2"/>
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</enum>
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<enum name="format">
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<entry name="argb8888" value="0"/>
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<entry name="xrgb8888" value="1"/>
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</enum>
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<request name="create_buffer">
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<description summary="create a wl_buffer">
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Transfer a shm buffer to the server. The allocated buffer
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would include at least stride * height bytes starting at the
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beginning of fd. The file descriptor is transferred over the
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socket using AF_UNIX magical features. width, height, stride
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and format describe the respective properties of the pixel
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data contained in the buffer.
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</description>
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<arg name="id" type="new_id" interface="wl_buffer"/>
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<arg name="fd" type="fd"/>
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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="uint"/>
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<arg name="format" type="uint"/>
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</request>
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<event name="format">
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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="damage">
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<description summary="mark part of the buffer damaged">
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Notify the server that the specified area of the buffers
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contents have changed. To describe a more complicated area of
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damage, break down the region into rectangles and use this
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request several times.
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</description>
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<arg name="x" type="int"/>
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<arg name="y" type="int"/>
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<arg name="width" type="int"/>
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<arg name="height" type="int"/>
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</request>
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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. This will invalidate the object id.
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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 an attached buffer is no longer used by the compositor.
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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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<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="time" type="uint"/>
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<arg name="type" type="string"/>
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</request>
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<request name="receive">
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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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<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"/>
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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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Another selection became active.
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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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<arg name="source" type="object" interface="wl_data_source"/>
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<arg name="surface" type="object" interface="wl_surface"/>
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<arg name="time" type="uint"/>
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</request>
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<request name="attach">
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<arg name="time" type="uint"/>
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<arg name="buffer" type="object" interface="wl_buffer"/>
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<arg name="x" type="int"/>
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<arg name="y" type="int"/>
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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"/>
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<arg name="time" 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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<arg name="time" type="uint"/>
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<arg name="surface" type="object" interface="wl_surface"/>
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<arg name="x" type="int"/>
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<arg name="y" type="int"/>
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<arg name="id" type="object" interface="wl_data_offer"/>
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</event>
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<event name="leave"/>
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<event name="motion">
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<arg name="time" type="uint"/>
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<arg name="x" type="int"/>
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<arg name="y" type="int"/>
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</event>
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<event name="drop"/>
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<event name="selection">
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<description summary="advertise new selection">
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The selection event is sent out to notify the client of a new
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wl_data_offer for the selection for this device. The
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data_device.data_offer and the data_offer.offer events are
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sent out immediately before this event to introduce the data
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offer object. The selection event is sent to a client
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immediately before receiving keyboard focus and when a new
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selection is set while the client has keyboard focus. The
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data_offer is valid until a new data_offer or NULL is received
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or until the client loses keyboard focus.
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</description>
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<arg name="id" type="object" interface="wl_data_offer"/>
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</event>
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</interface>
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<interface name="wl_data_device_manager" version="1">
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<request name="create_data_source">
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<arg name="id" type="new_id" interface="wl_data_source"/>
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</request>
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<request name="get_data_device">
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<arg name="id" type="new_id" interface="wl_data_device"/>
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<arg name="input_device" type="object" interface="wl_input_device"/>
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</request>
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</interface>
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<interface name="wl_shell" version="1">
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<request name="get_shell_surface">
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<arg name="id" type="new_id" interface="wl_shell_surface"/>
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<arg name="surface" type="object" interface="wl_surface"/>
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</request>
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</interface>
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<interface name="wl_shell_surface" version="1">
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<description summary="desktop style meta data interface">
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An interface implemented by a wl_surface. On server side the
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object is automatically destroyed when the related wl_surface is
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destroyed. On client side, wl_shell_surface_destroy() must be
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called before destroying the wl_surface object.
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</description>
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<request name="move">
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<arg name="input_device" type="object" interface="wl_input_device"/>
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<arg name="time" type="uint"/>
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</request>
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<enum name="resize">
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<entry name="none" value="0"/>
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<entry name="top" value="1"/>
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<entry name="bottom" value="2"/>
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<entry name="left" value="4"/>
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<entry name="top_left" value="5"/>
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<entry name="bottom_left" value="6"/>
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<entry name="right" value="8"/>
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<entry name="top_right" value="9"/>
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<entry name="bottom_right" value="10"/>
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</enum>
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<request name="resize">
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<arg name="input_device" type="object" interface="wl_input_device"/>
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<arg name="time" type="uint"/>
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<arg name="edges" type="uint"/>
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</request>
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<request name="set_toplevel">
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<description summary="make the surface a top level surface">
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Make the surface a toplevel window.
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</description>
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</request>
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<request name="set_transient">
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<description summary="make the surface a transient surface">
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Map the surface relative to an existing surface. The x and y
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arguments specify the locations of the upper left corner of
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the surface relative to the upper left corner of the parent
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surface. The flags argument controls overflow/clipping
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behaviour when the surface would intersect a screen edge,
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panel or such. And possibly whether the offset only
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determines the initial position or if the surface is locked to
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that relative position during moves.
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</description>
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<arg name="parent" type="object" interface="wl_shell_surface"/>
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<arg name="x" type="int"/>
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<arg name="y" type="int"/>
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<arg name="flags" type="uint"/>
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</request>
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<request name="set_fullscreen">
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<description summary="make the surface a fullscreen surface">
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Map the surface as a fullscreen surface. On the output the
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surface is assigned to. The client can use different fulllscreen
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method to fix the size mismatch issue: default, scale, driver
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and fill. And the framerate parameter is used for "driver" method,
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to indicate the preferred framerate. framerate=0 means that the
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app does not care about framerate
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</description>
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<arg name="method" type="uint"/>
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<arg name="framerate" type="uint"/>
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<arg name="output" type="object" interface="wl_output"/>
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</request>
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<enum name="fullscreen_method">
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<description summary="different method to set the surface fullscreen">
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Hints to indicate compositor how to deal with this fullscreen surface.
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"default" means the client has no preference on fullscreen
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behavior, policies are determined by compositor.
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"scale" means the client prefers scaling by the compositor.
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Scaling would always preserve surface's aspect ratio.
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And the surface is centered.
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"driver" means the client wants to switch video mode to the
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smallest mode that can fit the client buffer. If the
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sizes do not match, black borders are added.
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"fill" means the client wants to add blackborders to the
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surface. This would be preferring 1:1 pixel mapping
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in the monitor native video mode. The surface is
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centered.
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</description>
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<entry name="default" value="0"/>
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<entry name="scale" value="1"/>
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<entry name="driver" value="2"/>
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<entry name="fill" value="3"/>
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</enum>
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<request name="set_popup">
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<description summary="make the surface a popup surface">
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Popup surfaces. Will switch an implicit grab into
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owner-events mode, and grab will continue after the implicit
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grab ends (button released). Once the implicit grab is over,
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the popup grab continues until the window is destroyed or a
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mouse button is pressed in any other clients window. A click
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in any of the clients surfaces is reported as normal, however,
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clicks in other clients surfaces will be discarded and trigger
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the callback.
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TODO: Grab keyboard too, maybe just terminate on any click
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inside or outside the surface?
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</description>
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<arg name="input_device" type="object" interface="wl_input_device"/>
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<arg name="time" type="uint"/>
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<arg name="parent" type="object" interface="wl_shell_surface"/>
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<arg name="x" type="int"/>
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<arg name="y" type="int"/>
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<arg name="flags" type="uint"/>
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</request>
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<request name="set_maximized">
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<description summary="make the surface a maximized surface">
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A request from the client to notify the compositor the maximized
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operation. The compositor will reply with a configure event telling
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the expected new surface size. The operation is completed on the
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next buffer attach to this surface.
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A maximized client will fill the fullscreen of the output it is bound
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to, except the panel area. This is the main difference between
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a maximized shell surface and a fullscreen shell surface.
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</description>
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<arg name="output" type="object" interface="wl_output"/>
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</request>
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<event name="configure">
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<description summary="suggest resize">
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The configure event asks the client to resize its surface.
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The size is a hint, in the sense that the client is free to
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ignore it if it doesn't resize, pick a smaller size (to
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satisfy aspect ration or resize in steps of NxM pixels). The
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|
client is free to dismiss all but the last configure event it
|
|
received.
|
|
</description>
|
|
|
|
<arg name="time" type="uint"/>
|
|
<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="1">
|
|
<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">
|
|
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.
|
|
</description>
|
|
|
|
<arg name="buffer" type="object" interface="wl_buffer"/>
|
|
<arg name="x" type="int"/>
|
|
<arg name="y" type="int"/>
|
|
</request>
|
|
|
|
<request name="damage">
|
|
<description summary="mark part of the surface damaged">
|
|
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.
|
|
</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 notification will only be posted for one frame unless
|
|
requested again.
|
|
</description>
|
|
|
|
<arg name="callback" type="new_id" interface="wl_callback"/>
|
|
</request>
|
|
|
|
</interface>
|
|
|
|
<interface name="wl_input_device" version="1">
|
|
<description summary="input device group">
|
|
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.
|
|
</description>
|
|
|
|
<request name="attach">
|
|
<description summary="set the pointer image">
|
|
Set the pointer's image. This request only takes effect if
|
|
the pointer focus for this device is one of the requesting
|
|
clients surfaces.
|
|
</description>
|
|
|
|
<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>
|
|
|
|
<event name="motion">
|
|
<description summary="pointer motion event">
|
|
Notification of pointer location change. x,y are the absolute
|
|
location on the screen. surface_[xy] are the location
|
|
relative to the focused surface.
|
|
</description>
|
|
|
|
<arg name="time" type="uint"/>
|
|
<arg name="x" type="int"/>
|
|
<arg name="y" type="int"/>
|
|
<arg name="surface_x" type="int"/>
|
|
<arg name="surface_y" type="int"/>
|
|
</event>
|
|
|
|
<event name="button">
|
|
<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="time" type="uint"/>
|
|
<arg name="button" type="uint"/>
|
|
<arg name="state" type="uint"/>
|
|
</event>
|
|
|
|
<event name="key">
|
|
<description summary="key event">
|
|
A key was pressed or released.
|
|
</description>
|
|
|
|
<arg name="time" type="uint"/>
|
|
<arg name="key" type="uint"/>
|
|
<arg name="state" type="uint"/>
|
|
</event>
|
|
|
|
<event name="pointer_focus">
|
|
<description summary="pointer focus change 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 appropriate pointer image.
|
|
</description>
|
|
|
|
<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="surface" type="object" interface="wl_surface"/>
|
|
<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>
|
|
|
|
<event name="touch_frame">
|
|
<description summary="end of touch frame event">
|
|
Indicates the end of a contact point list.
|
|
</description>
|
|
</event>
|
|
|
|
<event name="touch_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>
|
|
|
|
<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>
|
|
|
|
<enum name="mode">
|
|
<description summary="values for the flags bitfield in the mode event"/>
|
|
<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>
|