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<?xml version="1.0" encoding="UTF-8"?>
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<protocol name="wlr_foreign_toplevel_management_unstable_v1">
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<copyright>
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Copyright © 2018 Ilia Bozhinov
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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="zwlr_foreign_toplevel_manager_v1" version="3">
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<description summary="list and control opened apps">
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The purpose of this protocol is to enable the creation of taskbars
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and docks by providing them with a list of opened applications and
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letting them request certain actions on them, like maximizing, etc.
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After a client binds the zwlr_foreign_toplevel_manager_v1, each opened
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toplevel window will be sent via the toplevel event
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</description>
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<event name="toplevel">
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<description summary="a toplevel has been created">
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This event is emitted whenever a new toplevel window is created. It
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is emitted for all toplevels, regardless of the app that has created
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them.
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All initial details of the toplevel(title, app_id, states, etc.) will
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be sent immediately after this event via the corresponding events in
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zwlr_foreign_toplevel_handle_v1.
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</description>
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<arg name="toplevel" type="new_id" interface="zwlr_foreign_toplevel_handle_v1"/>
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</event>
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<request name="stop">
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<description summary="stop sending events">
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Indicates the client no longer wishes to receive events for new toplevels.
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However the compositor may emit further toplevel_created events, until
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the finished event is emitted.
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The client must not send any more requests after this one.
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</description>
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</request>
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<event name="finished">
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<description summary="the compositor has finished with the toplevel manager">
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This event indicates that the compositor is done sending events to the
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zwlr_foreign_toplevel_manager_v1. The server will destroy the object
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immediately after sending this request, so it will become invalid and
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the client should free any resources associated with it.
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</description>
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</event>
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</interface>
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<interface name="zwlr_foreign_toplevel_handle_v1" version="3">
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<description summary="an opened toplevel">
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A zwlr_foreign_toplevel_handle_v1 object represents an opened toplevel
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window. Each app may have multiple opened toplevels.
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Each toplevel has a list of outputs it is visible on, conveyed to the
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client with the output_enter and output_leave events.
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</description>
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<event name="title">
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<description summary="title change">
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This event is emitted whenever the title of the toplevel changes.
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</description>
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<arg name="title" type="string"/>
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</event>
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<event name="app_id">
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<description summary="app-id change">
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This event is emitted whenever the app-id of the toplevel changes.
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</description>
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<arg name="app_id" type="string"/>
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</event>
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<event name="output_enter">
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<description summary="toplevel entered an output">
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This event is emitted whenever the toplevel becomes visible on
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the given output. A toplevel may be visible on multiple outputs.
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</description>
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<arg name="output" type="object" interface="wl_output"/>
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</event>
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<event name="output_leave">
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<description summary="toplevel left an output">
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This event is emitted whenever the toplevel stops being visible on
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the given output. It is guaranteed that an entered-output event
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with the same output has been emitted before this event.
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</description>
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<arg name="output" type="object" interface="wl_output"/>
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</event>
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<request name="set_maximized">
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<description summary="requests that the toplevel be maximized">
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Requests that the toplevel be maximized. If the maximized state actually
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changes, this will be indicated by the state event.
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</description>
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</request>
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<request name="unset_maximized">
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<description summary="requests that the toplevel be unmaximized">
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Requests that the toplevel be unmaximized. If the maximized state actually
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changes, this will be indicated by the state event.
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</description>
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</request>
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<request name="set_minimized">
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<description summary="requests that the toplevel be minimized">
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Requests that the toplevel be minimized. If the minimized state actually
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changes, this will be indicated by the state event.
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</description>
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</request>
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<request name="unset_minimized">
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<description summary="requests that the toplevel be unminimized">
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Requests that the toplevel be unminimized. If the minimized state actually
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changes, this will be indicated by the state event.
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</description>
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</request>
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<request name="activate">
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<description summary="activate the toplevel">
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Request that this toplevel be activated on the given seat.
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There is no guarantee the toplevel will be actually activated.
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</description>
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<arg name="seat" type="object" interface="wl_seat"/>
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</request>
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<enum name="state">
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<description summary="types of states on the toplevel">
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The different states that a toplevel can have. These have the same meaning
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as the states with the same names defined in xdg-toplevel
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</description>
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<entry name="maximized" value="0" summary="the toplevel is maximized"/>
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<entry name="minimized" value="1" summary="the toplevel is minimized"/>
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<entry name="activated" value="2" summary="the toplevel is active"/>
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<entry name="fullscreen" value="3" summary="the toplevel is fullscreen" since="2"/>
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</enum>
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<event name="state">
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<description summary="the toplevel state changed">
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This event is emitted immediately after the zlw_foreign_toplevel_handle_v1
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is created and each time the toplevel state changes, either because of a
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compositor action or because of a request in this protocol.
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</description>
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<arg name="state" type="array"/>
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</event>
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<event name="done">
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<description summary="all information about the toplevel has been sent">
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This event is sent after all changes in the toplevel state have been
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sent.
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This allows changes to the zwlr_foreign_toplevel_handle_v1 properties
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to be seen as atomic, even if they happen via multiple events.
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</description>
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</event>
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<request name="close">
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<description summary="request that the toplevel be closed">
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Send a request to the toplevel to close itself. The compositor would
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typically use a shell-specific method to carry out this request, for
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example by sending the xdg_toplevel.close event. However, this gives
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no guarantees the toplevel will actually be destroyed. If and when
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this happens, the zwlr_foreign_toplevel_handle_v1.closed event will
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be emitted.
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</description>
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</request>
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<request name="set_rectangle">
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<description summary="the rectangle which represents the toplevel">
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The rectangle of the surface specified in this request corresponds to
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the place where the app using this protocol represents the given toplevel.
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It can be used by the compositor as a hint for some operations, e.g
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minimizing. The client is however not required to set this, in which
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case the compositor is free to decide some default value.
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If the client specifies more than one rectangle, only the last one is
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considered.
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The dimensions are given in surface-local coordinates.
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Setting width=height=0 removes the already-set rectangle.
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</description>
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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="width" type="int"/>
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<arg name="height" type="int"/>
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</request>
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<enum name="error">
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<entry name="invalid_rectangle" value="0"
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summary="the provided rectangle is invalid"/>
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</enum>
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<event name="closed">
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<description summary="this toplevel has been destroyed">
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This event means the toplevel has been destroyed. It is guaranteed there
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won't be any more events for this zwlr_foreign_toplevel_handle_v1. The
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toplevel itself becomes inert so any requests will be ignored except the
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destroy request.
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</description>
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</event>
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<request name="destroy" type="destructor">
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<description summary="destroy the zwlr_foreign_toplevel_handle_v1 object">
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Destroys the zwlr_foreign_toplevel_handle_v1 object.
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This request should be called either when the client does not want to
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use the toplevel anymore or after the closed event to finalize the
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destruction of the object.
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</description>
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</request>
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<!-- Version 2 additions -->
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<request name="set_fullscreen" since="2">
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<description summary="request that the toplevel be fullscreened">
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Requests that the toplevel be fullscreened on the given output. If the
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fullscreen state and/or the outputs the toplevel is visible on actually
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change, this will be indicated by the state and output_enter/leave
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events.
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The output parameter is only a hint to the compositor. Also, if output
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is NULL, the compositor should decide which output the toplevel will be
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fullscreened on, if at all.
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</description>
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<arg name="output" type="object" interface="wl_output" allow-null="true"/>
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</request>
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<request name="unset_fullscreen" since="2">
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<description summary="request that the toplevel be unfullscreened">
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Requests that the toplevel be unfullscreened. If the fullscreen state
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actually changes, this will be indicated by the state event.
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</description>
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</request>
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<!-- Version 3 additions -->
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<event name="parent" since="3">
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<description summary="parent change">
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This event is emitted whenever the parent of the toplevel changes.
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No event is emitted when the parent handle is destroyed by the client.
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</description>
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<arg name="parent" type="object" interface="zwlr_foreign_toplevel_handle_v1" allow-null="true"/>
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</event>
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</interface>
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</protocol>
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