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431 lines
18 KiB
XML
431 lines
18 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<protocol name="xdg_shell">
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<copyright>
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Copyright © 2008-2013 Kristian Høgsberg
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Copyright © 2013 Rafael Antognolli
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Copyright © 2013 Jasper St. Pierre
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Copyright © 2010-2013 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="xdg_shell" version="1">
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<description summary="create desktop-style surfaces">
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This interface is implemented by servers that provide
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desktop-style user interfaces.
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It allows clients to associate a xdg_surface with
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a basic surface.
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</description>
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<enum name="version">
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<description summary="latest protocol version">
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The 'current' member of this enum gives the version of the
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protocol. Implementations can compare this to the version
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they implement using static_assert to ensure the protocol and
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implementation versions match.
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</description>
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<entry name="current" value="4" summary="Always the latest version"/>
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</enum>
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<enum name="error">
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<entry name="role" value="0" summary="given wl_surface has another role"/>
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</enum>
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<request name="use_unstable_version">
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<description summary="enable use of this unstable version">
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Negotiate the unstable version of the interface. This
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mechanism is in place to ensure client and server agree on the
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unstable versions of the protocol that they speak or exit
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cleanly if they don't agree. This request will go away once
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the xdg-shell protocol is stable.
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</description>
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<arg name="version" type="int"/>
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</request>
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<request name="get_xdg_surface">
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<description summary="create a shell surface from a surface">
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Create a shell surface for an existing surface.
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This request gives the surface the role of xdg_surface. If the
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surface already has another role, it raises a protocol error.
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Only one shell or popup surface can be associated with a given
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surface.
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</description>
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<arg name="id" type="new_id" interface="xdg_surface"/>
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<arg name="surface" type="object" interface="wl_surface"/>
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</request>
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<request name="get_xdg_popup">
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<description summary="create a shell surface from a surface">
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Create a popup surface for an existing surface.
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This request gives the surface the role of xdg_popup. If the
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surface already has another role, it raises a protocol error.
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Only one shell or popup surface can be associated with a given
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surface.
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</description>
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<arg name="id" type="new_id" interface="xdg_popup"/>
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<arg name="surface" type="object" interface="wl_surface"/>
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<arg name="parent" type="object" interface="wl_surface"/>
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<arg name="seat" type="object" interface="wl_seat" summary="the wl_seat whose pointer is used"/>
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<arg name="serial" type="uint" summary="serial of the implicit grab on the pointer"/>
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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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<event name="ping">
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<description summary="check if the client is alive">
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The ping event asks the client if it's still alive. Pass the
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serial specified in the event back to the compositor by sending
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a "pong" request back with the specified serial.
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Compositors can use this to determine if the client is still
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alive. It's unspecified what will happen if the client doesn't
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respond to the ping request, or in what timeframe. Clients should
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try to respond in a reasonable amount of time.
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</description>
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<arg name="serial" type="uint" summary="pass this to the callback"/>
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</event>
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<request name="pong">
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<description summary="respond to a ping event">
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A client must respond to a ping event with a pong request or
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the client may be deemed unresponsive.
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</description>
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<arg name="serial" type="uint" summary="serial of the ping event"/>
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</request>
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</interface>
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<interface name="xdg_surface" version="1">
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<description summary="desktop-style metadata interface">
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An interface that may be implemented by a wl_surface, for
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implementations that provide a desktop-style user interface.
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It provides requests to treat surfaces like windows, allowing to set
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properties like maximized, fullscreen, minimized, and to move and resize
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them, and associate metadata like title and app id.
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On the server side the object is automatically destroyed when
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the related wl_surface is destroyed. On client side,
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xdg_surface.destroy() must be called before destroying
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the wl_surface object.
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</description>
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<request name="destroy" type="destructor">
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<description summary="remove xdg_surface interface">
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The xdg_surface interface is removed from the wl_surface object
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that was turned into a xdg_surface with
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xdg_shell.get_xdg_surface request. The xdg_surface properties,
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like maximized and fullscreen, are lost. The wl_surface loses
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its role as a xdg_surface. The wl_surface is unmapped.
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</description>
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</request>
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<request name="set_parent">
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<description summary="surface is a child of another surface">
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Child surfaces are stacked above their parents, and will be
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unmapped if the parent is unmapped too. They should not appear
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on task bars and alt+tab.
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</description>
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<arg name="parent" type="object" interface="wl_surface" allow-null="true"/>
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</request>
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<request name="set_title">
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<description summary="set surface title">
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Set a short title for the surface.
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This string may be used to identify the surface in a task bar,
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window list, or other user interface elements provided by the
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compositor.
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The string must be encoded in UTF-8.
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</description>
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<arg name="title" type="string"/>
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</request>
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<request name="set_app_id">
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<description summary="set surface class">
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Set an id for the surface.
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The app id identifies the general class of applications to which
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the surface belongs.
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It should be the ID that appears in the new desktop entry
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specification, the interface name.
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</description>
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<arg name="app_id" type="string"/>
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</request>
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<request name="show_window_menu">
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<description summary="show the window menu">
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Clients implementing client-side decorations might want to show
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a context menu when right-clicking on the decorations, giving the
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user a menu that they can use to maximize or minimize the window.
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This request asks the compositor to pop up such a window menu at
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the given position, relative to the parent surface. There are
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no guarantees as to what the window menu contains.
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Your surface must have focus on the seat passed in to pop up the
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window menu.
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</description>
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<arg name="seat" type="object" interface="wl_seat" summary="the seat to pop the window up on"/>
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<arg name="serial" type="uint" summary="serial of the event to pop up the window for"/>
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<arg name="x" type="int" summary="the x position to pop up the window menu at"/>
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<arg name="y" type="int" summary="the y position to pop up the window menu at"/>
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</request>
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<request name="move">
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<description summary="start an interactive move">
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Start a pointer-driven move of the surface.
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This request must be used in response to a button press event.
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The server may ignore move requests depending on the state of
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the surface (e.g. fullscreen or maximized).
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</description>
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<arg name="seat" type="object" interface="wl_seat" summary="the wl_seat whose pointer is used"/>
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<arg name="serial" type="uint" summary="serial of the implicit grab on the pointer"/>
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</request>
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<enum name="resize_edge">
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<description summary="edge values for resizing">
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These values are used to indicate which edge of a surface
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is being dragged in a resize operation. The server may
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use this information to adapt its behavior, e.g. choose
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an appropriate cursor image.
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</description>
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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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<description summary="start an interactive resize">
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Start a pointer-driven resizing of the surface.
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This request must be used in response to a button press event.
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The server may ignore resize requests depending on the state of
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the surface (e.g. fullscreen or maximized).
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</description>
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<arg name="seat" type="object" interface="wl_seat" summary="the wl_seat whose pointer is used"/>
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<arg name="serial" type="uint" summary="serial of the implicit grab on the pointer"/>
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<arg name="edges" type="uint" summary="which edge or corner is being dragged"/>
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</request>
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<enum name="state">
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<description summary="types of state on the surface">
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The different state values used on the surface. This is designed for
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state values like maximized, fullscreen. It is paired with the
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configure event to ensure that both the client and the compositor
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setting the state can be synchronized.
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States set in this way are double-buffered. They will get applied on
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the next commit.
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Desktop environments may extend this enum by taking up a range of
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values and documenting the range they chose in this description.
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They are not required to document the values for the range that they
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chose. Ideally, any good extensions from a desktop environment should
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make its way into standardization into this enum.
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The current reserved ranges are:
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0x0000 - 0x0FFF: xdg-shell core values, documented below.
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0x1000 - 0x1FFF: GNOME
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</description>
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<entry name="maximized" value="1">
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<description summary="the surface is maximized">
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The surface is maximized. The window geometry specified in the configure
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event must be obeyed by the client.
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</description>
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</entry>
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<entry name="fullscreen" value="2">
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<description summary="the surface is fullscreen">
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The surface is fullscreen. The window geometry specified in the configure
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event must be obeyed by the client.
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</description>
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</entry>
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<entry name="resizing" value="3">
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<description summary="the surface is being resized">
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The surface is being resized. The window geometry specified in the
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configure event is a maximum; the client cannot resize beyond it.
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Clients that have aspect ratio or cell sizing configuration can use
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a smaller size, however.
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</description>
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</entry>
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<entry name="activated" value="4">
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<description summary="the client window is active">
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Client window decorations should be painted as if the window is
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active. Do not assume this means that the window actually has
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keyboard or pointer focus.
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</description>
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</entry>
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</enum>
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<event name="configure">
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<description summary="suggest a surface change">
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The configure event asks the client to resize its surface.
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The width and height arguments specify a hint to the window
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about how its surface should be resized in window geometry
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coordinates. The states listed in the event specify how the
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width/height arguments should be interpreted.
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A client should arrange a new surface, and then send a
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ack_configure request with the serial sent in this configure
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event before attaching a new surface.
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If the client receives multiple configure events before it
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can respond to one, it is free to discard all but the last
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event it received.
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</description>
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<arg name="width" type="int"/>
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<arg name="height" type="int"/>
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<arg name="states" type="array"/>
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<arg name="serial" type="uint"/>
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</event>
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<request name="ack_configure">
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<description summary="ack a configure event">
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When a configure event is received, a client should then ack it
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using the ack_configure request to ensure that the compositor
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knows the client has seen the event.
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By this point, the state is confirmed, and the next attach should
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contain the buffer drawn for the configure event you are acking.
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</description>
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<arg name="serial" type="uint" summary="a serial to configure for"/>
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</request>
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<request name="set_window_geometry">
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<description summary="set the new window geometry">
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The window geometry of a window is its "visible bounds" from the
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user's perspective. Client-side decorations often have invisible
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portions like drop-shadows which should be ignored for the
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purposes of aligning, placing and constraining windows.
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The default value is the full bounds of the surface, including any
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subsurfaces. Once the window geometry of the surface is set once,
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it is not possible to unset it, and it will remain the same until
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set_window_geometry is called again, even if a new subsurface or
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buffer is attached.
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If responding to a configure event, the window geometry in here
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must respect the sizing negotiations specified by the states in
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the configure event.
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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="set_maximized" />
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<request name="unset_maximized" />
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<request name="set_fullscreen">
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<description summary="set the window as fullscreen on a monitor">
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Make the surface fullscreen.
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You can specify an output that you would prefer to be fullscreen.
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If this value is NULL, it's up to the compositor to choose which
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display will be used to map this surface.
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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" />
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<request name="set_minimized" />
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<event name="close">
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<description summary="surface wants to be closed">
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The close event is sent by the compositor when the user
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wants the surface to be closed. This should be equivalent to
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the user clicking the close button in client-side decorations,
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if your application has any...
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This is only a request that the user intends to close your
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window. The client may choose to ignore this request, or show
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a dialog to ask the user to save their data...
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</description>
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</event>
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</interface>
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<interface name="xdg_popup" version="1">
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<description summary="desktop-style metadata interface">
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An interface that may be implemented by a wl_surface, for
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implementations that provide a desktop-style popups/menus. A popup
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surface is a transient surface with an added pointer grab.
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An existing implicit grab will be changed to owner-events mode,
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and the popup grab will continue after the implicit grab ends
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(i.e. releasing the mouse button does not cause the popup to be
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unmapped).
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The popup grab continues until the window is destroyed or a mouse
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button is pressed in any other clients window. A click in any of
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the clients surfaces is reported as normal, however, clicks in
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other clients surfaces will be discarded and trigger the callback.
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The x and y arguments specify the locations of the upper left
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corner of the surface relative to the upper left corner of the
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parent surface, in surface local coordinates.
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xdg_popup surfaces are always transient for another surface.
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</description>
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<request name="destroy" type="destructor">
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<description summary="remove xdg_surface interface">
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The xdg_surface interface is removed from the wl_surface object
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that was turned into a xdg_surface with
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xdg_shell.get_xdg_surface request. The xdg_surface properties,
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like maximized and fullscreen, are lost. The wl_surface loses
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its role as a xdg_surface. The wl_surface is unmapped.
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</description>
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</request>
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<event name="popup_done">
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<description summary="popup interaction is done">
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The popup_done event is sent out when a popup grab is broken,
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that is, when the users clicks a surface that doesn't belong
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to the client owning the popup surface.
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</description>
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<arg name="serial" type="uint" summary="serial of the implicit grab on the pointer"/>
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</event>
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</interface>
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</protocol>
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