mandelbrot-wl

xdg-shell.h (82162B)

---

 /* Generated by wayland-scanner 1.21.0 */
 
 #ifndef XDG_SHELL_CLIENT_PROTOCOL_H
 #define XDG_SHELL_CLIENT_PROTOCOL_H
 
 #include <stdint.h>
 #include <stddef.h>
 #include "wayland-client.h"
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 /**
  * @page page_xdg_shell The xdg_shell protocol
  * @section page_ifaces_xdg_shell Interfaces
  * - @subpage page_iface_xdg_wm_base - create desktop-style surfaces
  * - @subpage page_iface_xdg_positioner - child surface positioner
  * - @subpage page_iface_xdg_surface - desktop user interface surface base interface
  * - @subpage page_iface_xdg_toplevel - toplevel surface
  * - @subpage page_iface_xdg_popup - short-lived, popup surfaces for menus
  * @section page_copyright_xdg_shell Copyright
  * <pre>
  *
  * Copyright © 2008-2013 Kristian Høgsberg
  * Copyright © 2013      Rafael Antognolli
  * Copyright © 2013      Jasper St. Pierre
  * Copyright © 2010-2013 Intel Corporation
  * Copyright © 2015-2017 Samsung Electronics Co., Ltd
  * Copyright © 2015-2017 Red Hat Inc.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  * </pre>
  */
 struct wl_output;
 struct wl_seat;
 struct wl_surface;
 struct xdg_popup;
 struct xdg_positioner;
 struct xdg_surface;
 struct xdg_toplevel;
 struct xdg_wm_base;
 
 #ifndef XDG_WM_BASE_INTERFACE
 #define XDG_WM_BASE_INTERFACE
 /**
  * @page page_iface_xdg_wm_base xdg_wm_base
  * @section page_iface_xdg_wm_base_desc Description
  *
  * The xdg_wm_base interface is exposed as a global object enabling clients
  * to turn their wl_surfaces into windows in a desktop environment. It
  * defines the basic functionality needed for clients and the compositor to
  * create windows that can be dragged, resized, maximized, etc, as well as
  * creating transient windows such as popup menus.
  * @section page_iface_xdg_wm_base_api API
  * See @ref iface_xdg_wm_base.
  */
 /**
  * @defgroup iface_xdg_wm_base The xdg_wm_base interface
  *
  * The xdg_wm_base interface is exposed as a global object enabling clients
  * to turn their wl_surfaces into windows in a desktop environment. It
  * defines the basic functionality needed for clients and the compositor to
  * create windows that can be dragged, resized, maximized, etc, as well as
  * creating transient windows such as popup menus.
  */
 extern const struct wl_interface xdg_wm_base_interface;
 #endif
 #ifndef XDG_POSITIONER_INTERFACE
 #define XDG_POSITIONER_INTERFACE
 /**
  * @page page_iface_xdg_positioner xdg_positioner
  * @section page_iface_xdg_positioner_desc Description
  *
  * The xdg_positioner provides a collection of rules for the placement of a
  * child surface relative to a parent surface. Rules can be defined to ensure
  * the child surface remains within the visible area's borders, and to
  * specify how the child surface changes its position, such as sliding along
  * an axis, or flipping around a rectangle. These positioner-created rules are
  * constrained by the requirement that a child surface must intersect with or
  * be at least partially adjacent to its parent surface.
  *
  * See the various requests for details about possible rules.
  *
  * At the time of the request, the compositor makes a copy of the rules
  * specified by the xdg_positioner. Thus, after the request is complete the
  * xdg_positioner object can be destroyed or reused; further changes to the
  * object will have no effect on previous usages.
  *
  * For an xdg_positioner object to be considered complete, it must have a
  * non-zero size set by set_size, and a non-zero anchor rectangle set by
  * set_anchor_rect. Passing an incomplete xdg_positioner object when
  * positioning a surface raises an invalid_positioner error.
  * @section page_iface_xdg_positioner_api API
  * See @ref iface_xdg_positioner.
  */
 /**
  * @defgroup iface_xdg_positioner The xdg_positioner interface
  *
  * The xdg_positioner provides a collection of rules for the placement of a
  * child surface relative to a parent surface. Rules can be defined to ensure
  * the child surface remains within the visible area's borders, and to
  * specify how the child surface changes its position, such as sliding along
  * an axis, or flipping around a rectangle. These positioner-created rules are
  * constrained by the requirement that a child surface must intersect with or
  * be at least partially adjacent to its parent surface.
  *
  * See the various requests for details about possible rules.
  *
  * At the time of the request, the compositor makes a copy of the rules
  * specified by the xdg_positioner. Thus, after the request is complete the
  * xdg_positioner object can be destroyed or reused; further changes to the
  * object will have no effect on previous usages.
  *
  * For an xdg_positioner object to be considered complete, it must have a
  * non-zero size set by set_size, and a non-zero anchor rectangle set by
  * set_anchor_rect. Passing an incomplete xdg_positioner object when
  * positioning a surface raises an invalid_positioner error.
  */
 extern const struct wl_interface xdg_positioner_interface;
 #endif
 #ifndef XDG_SURFACE_INTERFACE
 #define XDG_SURFACE_INTERFACE
 /**
  * @page page_iface_xdg_surface xdg_surface
  * @section page_iface_xdg_surface_desc Description
  *
  * An interface that may be implemented by a wl_surface, for
  * implementations that provide a desktop-style user interface.
  *
  * It provides a base set of functionality required to construct user
  * interface elements requiring management by the compositor, such as
  * toplevel windows, menus, etc. The types of functionality are split into
  * xdg_surface roles.
  *
  * Creating an xdg_surface does not set the role for a wl_surface. In order
  * to map an xdg_surface, the client must create a role-specific object
  * using, e.g., get_toplevel, get_popup. The wl_surface for any given
  * xdg_surface can have at most one role, and may not be assigned any role
  * not based on xdg_surface.
  *
  * A role must be assigned before any other requests are made to the
  * xdg_surface object.
  *
  * The client must call wl_surface.commit on the corresponding wl_surface
  * for the xdg_surface state to take effect.
  *
  * Creating an xdg_surface from a wl_surface which has a buffer attached or
  * committed is a client error, and any attempts by a client to attach or
  * manipulate a buffer prior to the first xdg_surface.configure call must
  * also be treated as errors.
  *
  * After creating a role-specific object and setting it up, the client must
  * perform an initial commit without any buffer attached. The compositor
  * will reply with an xdg_surface.configure event. The client must
  * acknowledge it and is then allowed to attach a buffer to map the surface.
  *
  * Mapping an xdg_surface-based role surface is defined as making it
  * possible for the surface to be shown by the compositor. Note that
  * a mapped surface is not guaranteed to be visible once it is mapped.
  *
  * For an xdg_surface to be mapped by the compositor, the following
  * conditions must be met:
  * (1) the client has assigned an xdg_surface-based role to the surface
  * (2) the client has set and committed the xdg_surface state and the
  * role-dependent state to the surface
  * (3) the client has committed a buffer to the surface
  *
  * A newly-unmapped surface is considered to have met condition (1) out
  * of the 3 required conditions for mapping a surface if its role surface
  * has not been destroyed, i.e. the client must perform the initial commit
  * again before attaching a buffer.
  * @section page_iface_xdg_surface_api API
  * See @ref iface_xdg_surface.
  */
 /**
  * @defgroup iface_xdg_surface The xdg_surface interface
  *
  * An interface that may be implemented by a wl_surface, for
  * implementations that provide a desktop-style user interface.
  *
  * It provides a base set of functionality required to construct user
  * interface elements requiring management by the compositor, such as
  * toplevel windows, menus, etc. The types of functionality are split into
  * xdg_surface roles.
  *
  * Creating an xdg_surface does not set the role for a wl_surface. In order
  * to map an xdg_surface, the client must create a role-specific object
  * using, e.g., get_toplevel, get_popup. The wl_surface for any given
  * xdg_surface can have at most one role, and may not be assigned any role
  * not based on xdg_surface.
  *
  * A role must be assigned before any other requests are made to the
  * xdg_surface object.
  *
  * The client must call wl_surface.commit on the corresponding wl_surface
  * for the xdg_surface state to take effect.
  *
  * Creating an xdg_surface from a wl_surface which has a buffer attached or
  * committed is a client error, and any attempts by a client to attach or
  * manipulate a buffer prior to the first xdg_surface.configure call must
  * also be treated as errors.
  *
  * After creating a role-specific object and setting it up, the client must
  * perform an initial commit without any buffer attached. The compositor
  * will reply with an xdg_surface.configure event. The client must
  * acknowledge it and is then allowed to attach a buffer to map the surface.
  *
  * Mapping an xdg_surface-based role surface is defined as making it
  * possible for the surface to be shown by the compositor. Note that
  * a mapped surface is not guaranteed to be visible once it is mapped.
  *
  * For an xdg_surface to be mapped by the compositor, the following
  * conditions must be met:
  * (1) the client has assigned an xdg_surface-based role to the surface
  * (2) the client has set and committed the xdg_surface state and the
  * role-dependent state to the surface
  * (3) the client has committed a buffer to the surface
  *
  * A newly-unmapped surface is considered to have met condition (1) out
  * of the 3 required conditions for mapping a surface if its role surface
  * has not been destroyed, i.e. the client must perform the initial commit
  * again before attaching a buffer.
  */
 extern const struct wl_interface xdg_surface_interface;
 #endif
 #ifndef XDG_TOPLEVEL_INTERFACE
 #define XDG_TOPLEVEL_INTERFACE
 /**
  * @page page_iface_xdg_toplevel xdg_toplevel
  * @section page_iface_xdg_toplevel_desc Description
  *
  * This interface defines an xdg_surface role which allows a surface to,
  * among other things, set window-like properties such as maximize,
  * fullscreen, and minimize, set application-specific metadata like title and
  * id, and well as trigger user interactive operations such as interactive
  * resize and move.
  *
  * Unmapping an xdg_toplevel means that the surface cannot be shown
  * by the compositor until it is explicitly mapped again.
  * All active operations (e.g., move, resize) are canceled and all
  * attributes (e.g. title, state, stacking, ...) are discarded for
  * an xdg_toplevel surface when it is unmapped. The xdg_toplevel returns to
  * the state it had right after xdg_surface.get_toplevel. The client
  * can re-map the toplevel by perfoming a commit without any buffer
  * attached, waiting for a configure event and handling it as usual (see
  * xdg_surface description).
  *
  * Attaching a null buffer to a toplevel unmaps the surface.
  * @section page_iface_xdg_toplevel_api API
  * See @ref iface_xdg_toplevel.
  */
 /**
  * @defgroup iface_xdg_toplevel The xdg_toplevel interface
  *
  * This interface defines an xdg_surface role which allows a surface to,
  * among other things, set window-like properties such as maximize,
  * fullscreen, and minimize, set application-specific metadata like title and
  * id, and well as trigger user interactive operations such as interactive
  * resize and move.
  *
  * Unmapping an xdg_toplevel means that the surface cannot be shown
  * by the compositor until it is explicitly mapped again.
  * All active operations (e.g., move, resize) are canceled and all
  * attributes (e.g. title, state, stacking, ...) are discarded for
  * an xdg_toplevel surface when it is unmapped. The xdg_toplevel returns to
  * the state it had right after xdg_surface.get_toplevel. The client
  * can re-map the toplevel by perfoming a commit without any buffer
  * attached, waiting for a configure event and handling it as usual (see
  * xdg_surface description).
  *
  * Attaching a null buffer to a toplevel unmaps the surface.
  */
 extern const struct wl_interface xdg_toplevel_interface;
 #endif
 #ifndef XDG_POPUP_INTERFACE
 #define XDG_POPUP_INTERFACE
 /**
  * @page page_iface_xdg_popup xdg_popup
  * @section page_iface_xdg_popup_desc Description
  *
  * A popup surface is a short-lived, temporary surface. It can be used to
  * implement for example menus, popovers, tooltips and other similar user
  * interface concepts.
  *
  * A popup can be made to take an explicit grab. See xdg_popup.grab for
  * details.
  *
  * When the popup is dismissed, a popup_done event will be sent out, and at
  * the same time the surface will be unmapped. See the xdg_popup.popup_done
  * event for details.
  *
  * Explicitly destroying the xdg_popup object will also dismiss the popup and
  * unmap the surface. Clients that want to dismiss the popup when another
  * surface of their own is clicked should dismiss the popup using the destroy
  * request.
  *
  * A newly created xdg_popup will be stacked on top of all previously created
  * xdg_popup surfaces associated with the same xdg_toplevel.
  *
  * The parent of an xdg_popup must be mapped (see the xdg_surface
  * description) before the xdg_popup itself.
  *
  * The client must call wl_surface.commit on the corresponding wl_surface
  * for the xdg_popup state to take effect.
  * @section page_iface_xdg_popup_api API
  * See @ref iface_xdg_popup.
  */
 /**
  * @defgroup iface_xdg_popup The xdg_popup interface
  *
  * A popup surface is a short-lived, temporary surface. It can be used to
  * implement for example menus, popovers, tooltips and other similar user
  * interface concepts.
  *
  * A popup can be made to take an explicit grab. See xdg_popup.grab for
  * details.
  *
  * When the popup is dismissed, a popup_done event will be sent out, and at
  * the same time the surface will be unmapped. See the xdg_popup.popup_done
  * event for details.
  *
  * Explicitly destroying the xdg_popup object will also dismiss the popup and
  * unmap the surface. Clients that want to dismiss the popup when another
  * surface of their own is clicked should dismiss the popup using the destroy
  * request.
  *
  * A newly created xdg_popup will be stacked on top of all previously created
  * xdg_popup surfaces associated with the same xdg_toplevel.
  *
  * The parent of an xdg_popup must be mapped (see the xdg_surface
  * description) before the xdg_popup itself.
  *
  * The client must call wl_surface.commit on the corresponding wl_surface
  * for the xdg_popup state to take effect.
  */
 extern const struct wl_interface xdg_popup_interface;
 #endif
 
 #ifndef XDG_WM_BASE_ERROR_ENUM
 #define XDG_WM_BASE_ERROR_ENUM
 enum xdg_wm_base_error {
 	/**
 	 * given wl_surface has another role
 	 */
 	XDG_WM_BASE_ERROR_ROLE = 0,
 	/**
 	 * xdg_wm_base was destroyed before children
 	 */
 	XDG_WM_BASE_ERROR_DEFUNCT_SURFACES = 1,
 	/**
 	 * the client tried to map or destroy a non-topmost popup
 	 */
 	XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP = 2,
 	/**
 	 * the client specified an invalid popup parent surface
 	 */
 	XDG_WM_BASE_ERROR_INVALID_POPUP_PARENT = 3,
 	/**
 	 * the client provided an invalid surface state
 	 */
 	XDG_WM_BASE_ERROR_INVALID_SURFACE_STATE = 4,
 	/**
 	 * the client provided an invalid positioner
 	 */
 	XDG_WM_BASE_ERROR_INVALID_POSITIONER = 5,
 	/**
 	 * the client didn’t respond to a ping event in time
 	 */
 	XDG_WM_BASE_ERROR_UNRESPONSIVE = 6,
 };
 #endif /* XDG_WM_BASE_ERROR_ENUM */
 
 /**
  * @ingroup iface_xdg_wm_base
  * @struct xdg_wm_base_listener
  */
 struct xdg_wm_base_listener {
 	/**
 	 * check if the client is alive
 	 *
 	 * The ping event asks the client if it's still alive. Pass the
 	 * serial specified in the event back to the compositor by sending
 	 * a "pong" request back with the specified serial. See
 	 * xdg_wm_base.pong.
 	 *
 	 * Compositors can use this to determine if the client is still
 	 * alive. It's unspecified what will happen if the client doesn't
 	 * respond to the ping request, or in what timeframe. Clients
 	 * should try to respond in a reasonable amount of time. The
 	 * “unresponsive” error is provided for compositors that wish
 	 * to disconnect unresponsive clients.
 	 *
 	 * A compositor is free to ping in any way it wants, but a client
 	 * must always respond to any xdg_wm_base object it created.
 	 * @param serial pass this to the pong request
 	 */
 	void (*ping)(void *data,
 		     struct xdg_wm_base *xdg_wm_base,
 		     uint32_t serial);
 };
 
 /**
  * @ingroup iface_xdg_wm_base
  */
 static inline int
 xdg_wm_base_add_listener(struct xdg_wm_base *xdg_wm_base,
 			 const struct xdg_wm_base_listener *listener, void *data)
 {
 	return wl_proxy_add_listener((struct wl_proxy *) xdg_wm_base,
 				     (void (**)(void)) listener, data);
 }
 
 #define XDG_WM_BASE_DESTROY 0
 #define XDG_WM_BASE_CREATE_POSITIONER 1
 #define XDG_WM_BASE_GET_XDG_SURFACE 2
 #define XDG_WM_BASE_PONG 3
 
 /**
  * @ingroup iface_xdg_wm_base
  */
 #define XDG_WM_BASE_PING_SINCE_VERSION 1
 
 /**
  * @ingroup iface_xdg_wm_base
  */
 #define XDG_WM_BASE_DESTROY_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_wm_base
  */
 #define XDG_WM_BASE_CREATE_POSITIONER_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_wm_base
  */
 #define XDG_WM_BASE_GET_XDG_SURFACE_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_wm_base
  */
 #define XDG_WM_BASE_PONG_SINCE_VERSION 1
 
 /** @ingroup iface_xdg_wm_base */
 static inline void
 xdg_wm_base_set_user_data(struct xdg_wm_base *xdg_wm_base, void *user_data)
 {
 	wl_proxy_set_user_data((struct wl_proxy *) xdg_wm_base, user_data);
 }
 
 /** @ingroup iface_xdg_wm_base */
 static inline void *
 xdg_wm_base_get_user_data(struct xdg_wm_base *xdg_wm_base)
 {
 	return wl_proxy_get_user_data((struct wl_proxy *) xdg_wm_base);
 }
 
 static inline uint32_t
 xdg_wm_base_get_version(struct xdg_wm_base *xdg_wm_base)
 {
 	return wl_proxy_get_version((struct wl_proxy *) xdg_wm_base);
 }
 
 /**
  * @ingroup iface_xdg_wm_base
  *
  * Destroy this xdg_wm_base object.
  *
  * Destroying a bound xdg_wm_base object while there are surfaces
  * still alive created by this xdg_wm_base object instance is illegal
  * and will result in a defunct_surfaces error.
  */
 static inline void
 xdg_wm_base_destroy(struct xdg_wm_base *xdg_wm_base)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_wm_base,
 			 XDG_WM_BASE_DESTROY, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_wm_base), WL_MARSHAL_FLAG_DESTROY);
 }
 
 /**
  * @ingroup iface_xdg_wm_base
  *
  * Create a positioner object. A positioner object is used to position
  * surfaces relative to some parent surface. See the interface description
  * and xdg_surface.get_popup for details.
  */
 static inline struct xdg_positioner *
 xdg_wm_base_create_positioner(struct xdg_wm_base *xdg_wm_base)
 {
 	struct wl_proxy *id;
 
 	id = wl_proxy_marshal_flags((struct wl_proxy *) xdg_wm_base,
 			 XDG_WM_BASE_CREATE_POSITIONER, &xdg_positioner_interface, wl_proxy_get_version((struct wl_proxy *) xdg_wm_base), 0, NULL);
 
 	return (struct xdg_positioner *) id;
 }
 
 /**
  * @ingroup iface_xdg_wm_base
  *
  * This creates an xdg_surface for the given surface. While xdg_surface
  * itself is not a role, the corresponding surface may only be assigned
  * a role extending xdg_surface, such as xdg_toplevel or xdg_popup. It is
  * illegal to create an xdg_surface for a wl_surface which already has an
  * assigned role and this will result in a role error.
  *
  * This creates an xdg_surface for the given surface. An xdg_surface is
  * used as basis to define a role to a given surface, such as xdg_toplevel
  * or xdg_popup. It also manages functionality shared between xdg_surface
  * based surface roles.
  *
  * See the documentation of xdg_surface for more details about what an
  * xdg_surface is and how it is used.
  */
 static inline struct xdg_surface *
 xdg_wm_base_get_xdg_surface(struct xdg_wm_base *xdg_wm_base, struct wl_surface *surface)
 {
 	struct wl_proxy *id;
 
 	id = wl_proxy_marshal_flags((struct wl_proxy *) xdg_wm_base,
 			 XDG_WM_BASE_GET_XDG_SURFACE, &xdg_surface_interface, wl_proxy_get_version((struct wl_proxy *) xdg_wm_base), 0, NULL, surface);
 
 	return (struct xdg_surface *) id;
 }
 
 /**
  * @ingroup iface_xdg_wm_base
  *
  * A client must respond to a ping event with a pong request or
  * the client may be deemed unresponsive. See xdg_wm_base.ping
  * and xdg_wm_base.error.unresponsive.
  */
 static inline void
 xdg_wm_base_pong(struct xdg_wm_base *xdg_wm_base, uint32_t serial)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_wm_base,
 			 XDG_WM_BASE_PONG, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_wm_base), 0, serial);
 }
 
 #ifndef XDG_POSITIONER_ERROR_ENUM
 #define XDG_POSITIONER_ERROR_ENUM
 enum xdg_positioner_error {
 	/**
 	 * invalid input provided
 	 */
 	XDG_POSITIONER_ERROR_INVALID_INPUT = 0,
 };
 #endif /* XDG_POSITIONER_ERROR_ENUM */
 
 #ifndef XDG_POSITIONER_ANCHOR_ENUM
 #define XDG_POSITIONER_ANCHOR_ENUM
 enum xdg_positioner_anchor {
 	XDG_POSITIONER_ANCHOR_NONE = 0,
 	XDG_POSITIONER_ANCHOR_TOP = 1,
 	XDG_POSITIONER_ANCHOR_BOTTOM = 2,
 	XDG_POSITIONER_ANCHOR_LEFT = 3,
 	XDG_POSITIONER_ANCHOR_RIGHT = 4,
 	XDG_POSITIONER_ANCHOR_TOP_LEFT = 5,
 	XDG_POSITIONER_ANCHOR_BOTTOM_LEFT = 6,
 	XDG_POSITIONER_ANCHOR_TOP_RIGHT = 7,
 	XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT = 8,
 };
 #endif /* XDG_POSITIONER_ANCHOR_ENUM */
 
 #ifndef XDG_POSITIONER_GRAVITY_ENUM
 #define XDG_POSITIONER_GRAVITY_ENUM
 enum xdg_positioner_gravity {
 	XDG_POSITIONER_GRAVITY_NONE = 0,
 	XDG_POSITIONER_GRAVITY_TOP = 1,
 	XDG_POSITIONER_GRAVITY_BOTTOM = 2,
 	XDG_POSITIONER_GRAVITY_LEFT = 3,
 	XDG_POSITIONER_GRAVITY_RIGHT = 4,
 	XDG_POSITIONER_GRAVITY_TOP_LEFT = 5,
 	XDG_POSITIONER_GRAVITY_BOTTOM_LEFT = 6,
 	XDG_POSITIONER_GRAVITY_TOP_RIGHT = 7,
 	XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT = 8,
 };
 #endif /* XDG_POSITIONER_GRAVITY_ENUM */
 
 #ifndef XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_ENUM
 #define XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_ENUM
 /**
  * @ingroup iface_xdg_positioner
  * constraint adjustments
  *
  * The constraint adjustment value define ways the compositor will adjust
  * the position of the surface, if the unadjusted position would result
  * in the surface being partly constrained.
  *
  * Whether a surface is considered 'constrained' is left to the compositor
  * to determine. For example, the surface may be partly outside the
  * compositor's defined 'work area', thus necessitating the child surface's
  * position be adjusted until it is entirely inside the work area.
  *
  * The adjustments can be combined, according to a defined precedence: 1)
  * Flip, 2) Slide, 3) Resize.
  */
 enum xdg_positioner_constraint_adjustment {
 	/**
 	 * don't move the child surface when constrained
 	 *
 	 * Don't alter the surface position even if it is constrained on
 	 * some axis, for example partially outside the edge of an output.
 	 */
 	XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_NONE = 0,
 	/**
 	 * move along the x axis until unconstrained
 	 *
 	 * Slide the surface along the x axis until it is no longer
 	 * constrained.
 	 *
 	 * First try to slide towards the direction of the gravity on the x
 	 * axis until either the edge in the opposite direction of the
 	 * gravity is unconstrained or the edge in the direction of the
 	 * gravity is constrained.
 	 *
 	 * Then try to slide towards the opposite direction of the gravity
 	 * on the x axis until either the edge in the direction of the
 	 * gravity is unconstrained or the edge in the opposite direction
 	 * of the gravity is constrained.
 	 */
 	XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_X = 1,
 	/**
 	 * move along the y axis until unconstrained
 	 *
 	 * Slide the surface along the y axis until it is no longer
 	 * constrained.
 	 *
 	 * First try to slide towards the direction of the gravity on the y
 	 * axis until either the edge in the opposite direction of the
 	 * gravity is unconstrained or the edge in the direction of the
 	 * gravity is constrained.
 	 *
 	 * Then try to slide towards the opposite direction of the gravity
 	 * on the y axis until either the edge in the direction of the
 	 * gravity is unconstrained or the edge in the opposite direction
 	 * of the gravity is constrained.
 	 */
 	XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_Y = 2,
 	/**
 	 * invert the anchor and gravity on the x axis
 	 *
 	 * Invert the anchor and gravity on the x axis if the surface is
 	 * constrained on the x axis. For example, if the left edge of the
 	 * surface is constrained, the gravity is 'left' and the anchor is
 	 * 'left', change the gravity to 'right' and the anchor to 'right'.
 	 *
 	 * If the adjusted position also ends up being constrained, the
 	 * resulting position of the flip_x adjustment will be the one
 	 * before the adjustment.
 	 */
 	XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_X = 4,
 	/**
 	 * invert the anchor and gravity on the y axis
 	 *
 	 * Invert the anchor and gravity on the y axis if the surface is
 	 * constrained on the y axis. For example, if the bottom edge of
 	 * the surface is constrained, the gravity is 'bottom' and the
 	 * anchor is 'bottom', change the gravity to 'top' and the anchor
 	 * to 'top'.
 	 *
 	 * The adjusted position is calculated given the original anchor
 	 * rectangle and offset, but with the new flipped anchor and
 	 * gravity values.
 	 *
 	 * If the adjusted position also ends up being constrained, the
 	 * resulting position of the flip_y adjustment will be the one
 	 * before the adjustment.
 	 */
 	XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_Y = 8,
 	/**
 	 * horizontally resize the surface
 	 *
 	 * Resize the surface horizontally so that it is completely
 	 * unconstrained.
 	 */
 	XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_X = 16,
 	/**
 	 * vertically resize the surface
 	 *
 	 * Resize the surface vertically so that it is completely
 	 * unconstrained.
 	 */
 	XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_Y = 32,
 };
 #endif /* XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_ENUM */
 
 #define XDG_POSITIONER_DESTROY 0
 #define XDG_POSITIONER_SET_SIZE 1
 #define XDG_POSITIONER_SET_ANCHOR_RECT 2
 #define XDG_POSITIONER_SET_ANCHOR 3
 #define XDG_POSITIONER_SET_GRAVITY 4
 #define XDG_POSITIONER_SET_CONSTRAINT_ADJUSTMENT 5
 #define XDG_POSITIONER_SET_OFFSET 6
 #define XDG_POSITIONER_SET_REACTIVE 7
 #define XDG_POSITIONER_SET_PARENT_SIZE 8
 #define XDG_POSITIONER_SET_PARENT_CONFIGURE 9
 
 
 /**
  * @ingroup iface_xdg_positioner
  */
 #define XDG_POSITIONER_DESTROY_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_positioner
  */
 #define XDG_POSITIONER_SET_SIZE_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_positioner
  */
 #define XDG_POSITIONER_SET_ANCHOR_RECT_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_positioner
  */
 #define XDG_POSITIONER_SET_ANCHOR_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_positioner
  */
 #define XDG_POSITIONER_SET_GRAVITY_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_positioner
  */
 #define XDG_POSITIONER_SET_CONSTRAINT_ADJUSTMENT_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_positioner
  */
 #define XDG_POSITIONER_SET_OFFSET_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_positioner
  */
 #define XDG_POSITIONER_SET_REACTIVE_SINCE_VERSION 3
 /**
  * @ingroup iface_xdg_positioner
  */
 #define XDG_POSITIONER_SET_PARENT_SIZE_SINCE_VERSION 3
 /**
  * @ingroup iface_xdg_positioner
  */
 #define XDG_POSITIONER_SET_PARENT_CONFIGURE_SINCE_VERSION 3
 
 /** @ingroup iface_xdg_positioner */
 static inline void
 xdg_positioner_set_user_data(struct xdg_positioner *xdg_positioner, void *user_data)
 {
 	wl_proxy_set_user_data((struct wl_proxy *) xdg_positioner, user_data);
 }
 
 /** @ingroup iface_xdg_positioner */
 static inline void *
 xdg_positioner_get_user_data(struct xdg_positioner *xdg_positioner)
 {
 	return wl_proxy_get_user_data((struct wl_proxy *) xdg_positioner);
 }
 
 static inline uint32_t
 xdg_positioner_get_version(struct xdg_positioner *xdg_positioner)
 {
 	return wl_proxy_get_version((struct wl_proxy *) xdg_positioner);
 }
 
 /**
  * @ingroup iface_xdg_positioner
  *
  * Notify the compositor that the xdg_positioner will no longer be used.
  */
 static inline void
 xdg_positioner_destroy(struct xdg_positioner *xdg_positioner)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_positioner,
 			 XDG_POSITIONER_DESTROY, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_positioner), WL_MARSHAL_FLAG_DESTROY);
 }
 
 /**
  * @ingroup iface_xdg_positioner
  *
  * Set the size of the surface that is to be positioned with the positioner
  * object. The size is in surface-local coordinates and corresponds to the
  * window geometry. See xdg_surface.set_window_geometry.
  *
  * If a zero or negative size is set the invalid_input error is raised.
  */
 static inline void
 xdg_positioner_set_size(struct xdg_positioner *xdg_positioner, int32_t width, int32_t height)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_positioner,
 			 XDG_POSITIONER_SET_SIZE, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_positioner), 0, width, height);
 }
 
 /**
  * @ingroup iface_xdg_positioner
  *
  * Specify the anchor rectangle within the parent surface that the child
  * surface will be placed relative to. The rectangle is relative to the
  * window geometry as defined by xdg_surface.set_window_geometry of the
  * parent surface.
  *
  * When the xdg_positioner object is used to position a child surface, the
  * anchor rectangle may not extend outside the window geometry of the
  * positioned child's parent surface.
  *
  * If a negative size is set the invalid_input error is raised.
  */
 static inline void
 xdg_positioner_set_anchor_rect(struct xdg_positioner *xdg_positioner, int32_t x, int32_t y, int32_t width, int32_t height)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_positioner,
 			 XDG_POSITIONER_SET_ANCHOR_RECT, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_positioner), 0, x, y, width, height);
 }
 
 /**
  * @ingroup iface_xdg_positioner
  *
  * Defines the anchor point for the anchor rectangle. The specified anchor
  * is used derive an anchor point that the child surface will be
  * positioned relative to. If a corner anchor is set (e.g. 'top_left' or
  * 'bottom_right'), the anchor point will be at the specified corner;
  * otherwise, the derived anchor point will be centered on the specified
  * edge, or in the center of the anchor rectangle if no edge is specified.
  */
 static inline void
 xdg_positioner_set_anchor(struct xdg_positioner *xdg_positioner, uint32_t anchor)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_positioner,
 			 XDG_POSITIONER_SET_ANCHOR, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_positioner), 0, anchor);
 }
 
 /**
  * @ingroup iface_xdg_positioner
  *
  * Defines in what direction a surface should be positioned, relative to
  * the anchor point of the parent surface. If a corner gravity is
  * specified (e.g. 'bottom_right' or 'top_left'), then the child surface
  * will be placed towards the specified gravity; otherwise, the child
  * surface will be centered over the anchor point on any axis that had no
  * gravity specified. If the gravity is not in the ‘gravity’ enum, an
  * invalid_input error is raised.
  */
 static inline void
 xdg_positioner_set_gravity(struct xdg_positioner *xdg_positioner, uint32_t gravity)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_positioner,
 			 XDG_POSITIONER_SET_GRAVITY, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_positioner), 0, gravity);
 }
 
 /**
  * @ingroup iface_xdg_positioner
  *
  * Specify how the window should be positioned if the originally intended
  * position caused the surface to be constrained, meaning at least
  * partially outside positioning boundaries set by the compositor. The
  * adjustment is set by constructing a bitmask describing the adjustment to
  * be made when the surface is constrained on that axis.
  *
  * If no bit for one axis is set, the compositor will assume that the child
  * surface should not change its position on that axis when constrained.
  *
  * If more than one bit for one axis is set, the order of how adjustments
  * are applied is specified in the corresponding adjustment descriptions.
  *
  * The default adjustment is none.
  */
 static inline void
 xdg_positioner_set_constraint_adjustment(struct xdg_positioner *xdg_positioner, uint32_t constraint_adjustment)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_positioner,
 			 XDG_POSITIONER_SET_CONSTRAINT_ADJUSTMENT, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_positioner), 0, constraint_adjustment);
 }
 
 /**
  * @ingroup iface_xdg_positioner
  *
  * Specify the surface position offset relative to the position of the
  * anchor on the anchor rectangle and the anchor on the surface. For
  * example if the anchor of the anchor rectangle is at (x, y), the surface
  * has the gravity bottom|right, and the offset is (ox, oy), the calculated
  * surface position will be (x + ox, y + oy). The offset position of the
  * surface is the one used for constraint testing. See
  * set_constraint_adjustment.
  *
  * An example use case is placing a popup menu on top of a user interface
  * element, while aligning the user interface element of the parent surface
  * with some user interface element placed somewhere in the popup surface.
  */
 static inline void
 xdg_positioner_set_offset(struct xdg_positioner *xdg_positioner, int32_t x, int32_t y)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_positioner,
 			 XDG_POSITIONER_SET_OFFSET, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_positioner), 0, x, y);
 }
 
 /**
  * @ingroup iface_xdg_positioner
  *
  * When set reactive, the surface is reconstrained if the conditions used
  * for constraining changed, e.g. the parent window moved.
  *
  * If the conditions changed and the popup was reconstrained, an
  * xdg_popup.configure event is sent with updated geometry, followed by an
  * xdg_surface.configure event.
  */
 static inline void
 xdg_positioner_set_reactive(struct xdg_positioner *xdg_positioner)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_positioner,
 			 XDG_POSITIONER_SET_REACTIVE, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_positioner), 0);
 }
 
 /**
  * @ingroup iface_xdg_positioner
  *
  * Set the parent window geometry the compositor should use when
  * positioning the popup. The compositor may use this information to
  * determine the future state the popup should be constrained using. If
  * this doesn't match the dimension of the parent the popup is eventually
  * positioned against, the behavior is undefined.
  *
  * The arguments are given in the surface-local coordinate space.
  */
 static inline void
 xdg_positioner_set_parent_size(struct xdg_positioner *xdg_positioner, int32_t parent_width, int32_t parent_height)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_positioner,
 			 XDG_POSITIONER_SET_PARENT_SIZE, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_positioner), 0, parent_width, parent_height);
 }
 
 /**
  * @ingroup iface_xdg_positioner
  *
  * Set the serial of an xdg_surface.configure event this positioner will be
  * used in response to. The compositor may use this information together
  * with set_parent_size to determine what future state the popup should be
  * constrained using.
  */
 static inline void
 xdg_positioner_set_parent_configure(struct xdg_positioner *xdg_positioner, uint32_t serial)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_positioner,
 			 XDG_POSITIONER_SET_PARENT_CONFIGURE, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_positioner), 0, serial);
 }
 
 #ifndef XDG_SURFACE_ERROR_ENUM
 #define XDG_SURFACE_ERROR_ENUM
 enum xdg_surface_error {
 	/**
 	 * Surface was not fully constructed
 	 */
 	XDG_SURFACE_ERROR_NOT_CONSTRUCTED = 1,
 	/**
 	 * Surface was already constructed
 	 */
 	XDG_SURFACE_ERROR_ALREADY_CONSTRUCTED = 2,
 	/**
 	 * Attaching a buffer to an unconfigured surface
 	 */
 	XDG_SURFACE_ERROR_UNCONFIGURED_BUFFER = 3,
 	/**
 	 * Invalid serial number when acking a configure event
 	 */
 	XDG_SURFACE_ERROR_INVALID_SERIAL = 4,
 	/**
 	 * Width or height was zero or negative
 	 */
 	XDG_SURFACE_ERROR_INVALID_SIZE = 5,
 	/**
 	 * Surface was destroyed before its role object
 	 */
 	XDG_SURFACE_ERROR_DEFUNCT_ROLE_OBJECT = 6,
 };
 #endif /* XDG_SURFACE_ERROR_ENUM */
 
 /**
  * @ingroup iface_xdg_surface
  * @struct xdg_surface_listener
  */
 struct xdg_surface_listener {
 	/**
 	 * suggest a surface change
 	 *
 	 * The configure event marks the end of a configure sequence. A
 	 * configure sequence is a set of one or more events configuring
 	 * the state of the xdg_surface, including the final
 	 * xdg_surface.configure event.
 	 *
 	 * Where applicable, xdg_surface surface roles will during a
 	 * configure sequence extend this event as a latched state sent as
 	 * events before the xdg_surface.configure event. Such events
 	 * should be considered to make up a set of atomically applied
 	 * configuration states, where the xdg_surface.configure commits
 	 * the accumulated state.
 	 *
 	 * Clients should arrange their surface for the new states, and
 	 * then send an ack_configure request with the serial sent in this
 	 * configure event at some point before committing the new surface.
 	 *
 	 * If the client receives multiple configure events before it can
 	 * respond to one, it is free to discard all but the last event it
 	 * received.
 	 * @param serial serial of the configure event
 	 */
 	void (*configure)(void *data,
 			  struct xdg_surface *xdg_surface,
 			  uint32_t serial);
 };
 
 /**
  * @ingroup iface_xdg_surface
  */
 static inline int
 xdg_surface_add_listener(struct xdg_surface *xdg_surface,
 			 const struct xdg_surface_listener *listener, void *data)
 {
 	return wl_proxy_add_listener((struct wl_proxy *) xdg_surface,
 				     (void (**)(void)) listener, data);
 }
 
 #define XDG_SURFACE_DESTROY 0
 #define XDG_SURFACE_GET_TOPLEVEL 1
 #define XDG_SURFACE_GET_POPUP 2
 #define XDG_SURFACE_SET_WINDOW_GEOMETRY 3
 #define XDG_SURFACE_ACK_CONFIGURE 4
 
 /**
  * @ingroup iface_xdg_surface
  */
 #define XDG_SURFACE_CONFIGURE_SINCE_VERSION 1
 
 /**
  * @ingroup iface_xdg_surface
  */
 #define XDG_SURFACE_DESTROY_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_surface
  */
 #define XDG_SURFACE_GET_TOPLEVEL_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_surface
  */
 #define XDG_SURFACE_GET_POPUP_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_surface
  */
 #define XDG_SURFACE_SET_WINDOW_GEOMETRY_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_surface
  */
 #define XDG_SURFACE_ACK_CONFIGURE_SINCE_VERSION 1
 
 /** @ingroup iface_xdg_surface */
 static inline void
 xdg_surface_set_user_data(struct xdg_surface *xdg_surface, void *user_data)
 {
 	wl_proxy_set_user_data((struct wl_proxy *) xdg_surface, user_data);
 }
 
 /** @ingroup iface_xdg_surface */
 static inline void *
 xdg_surface_get_user_data(struct xdg_surface *xdg_surface)
 {
 	return wl_proxy_get_user_data((struct wl_proxy *) xdg_surface);
 }
 
 static inline uint32_t
 xdg_surface_get_version(struct xdg_surface *xdg_surface)
 {
 	return wl_proxy_get_version((struct wl_proxy *) xdg_surface);
 }
 
 /**
  * @ingroup iface_xdg_surface
  *
  * Destroy the xdg_surface object. An xdg_surface must only be destroyed
  * after its role object has been destroyed, otherwise
  * a defunct_role_object error is raised.
  */
 static inline void
 xdg_surface_destroy(struct xdg_surface *xdg_surface)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_surface,
 			 XDG_SURFACE_DESTROY, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_surface), WL_MARSHAL_FLAG_DESTROY);
 }
 
 /**
  * @ingroup iface_xdg_surface
  *
  * This creates an xdg_toplevel object for the given xdg_surface and gives
  * the associated wl_surface the xdg_toplevel role.
  *
  * See the documentation of xdg_toplevel for more details about what an
  * xdg_toplevel is and how it is used.
  */
 static inline struct xdg_toplevel *
 xdg_surface_get_toplevel(struct xdg_surface *xdg_surface)
 {
 	struct wl_proxy *id;
 
 	id = wl_proxy_marshal_flags((struct wl_proxy *) xdg_surface,
 			 XDG_SURFACE_GET_TOPLEVEL, &xdg_toplevel_interface, wl_proxy_get_version((struct wl_proxy *) xdg_surface), 0, NULL);
 
 	return (struct xdg_toplevel *) id;
 }
 
 /**
  * @ingroup iface_xdg_surface
  *
  * This creates an xdg_popup object for the given xdg_surface and gives
  * the associated wl_surface the xdg_popup role.
  *
  * If null is passed as a parent, a parent surface must be specified using
  * some other protocol, before committing the initial state.
  *
  * See the documentation of xdg_popup for more details about what an
  * xdg_popup is and how it is used.
  */
 static inline struct xdg_popup *
 xdg_surface_get_popup(struct xdg_surface *xdg_surface, struct xdg_surface *parent, struct xdg_positioner *positioner)
 {
 	struct wl_proxy *id;
 
 	id = wl_proxy_marshal_flags((struct wl_proxy *) xdg_surface,
 			 XDG_SURFACE_GET_POPUP, &xdg_popup_interface, wl_proxy_get_version((struct wl_proxy *) xdg_surface), 0, NULL, parent, positioner);
 
 	return (struct xdg_popup *) id;
 }
 
 /**
  * @ingroup iface_xdg_surface
  *
  * The window geometry of a surface is its "visible bounds" from the
  * user's perspective. Client-side decorations often have invisible
  * portions like drop-shadows which should be ignored for the
  * purposes of aligning, placing and constraining windows.
  *
  * The window geometry is double buffered, and will be applied at the
  * time wl_surface.commit of the corresponding wl_surface is called.
  *
  * When maintaining a position, the compositor should treat the (x, y)
  * coordinate of the window geometry as the top left corner of the window.
  * A client changing the (x, y) window geometry coordinate should in
  * general not alter the position of the window.
  *
  * Once the window geometry of the surface is set, it is not possible to
  * unset it, and it will remain the same until set_window_geometry is
  * called again, even if a new subsurface or buffer is attached.
  *
  * If never set, the value is the full bounds of the surface,
  * including any subsurfaces. This updates dynamically on every
  * commit. This unset is meant for extremely simple clients.
  *
  * The arguments are given in the surface-local coordinate space of
  * the wl_surface associated with this xdg_surface.
  *
  * The width and height must be greater than zero. Setting an invalid size
  * will raise an invalid_size error. When applied, the effective window
  * geometry will be the set window geometry clamped to the bounding
  * rectangle of the combined geometry of the surface of the xdg_surface and
  * the associated subsurfaces.
  */
 static inline void
 xdg_surface_set_window_geometry(struct xdg_surface *xdg_surface, int32_t x, int32_t y, int32_t width, int32_t height)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_surface,
 			 XDG_SURFACE_SET_WINDOW_GEOMETRY, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_surface), 0, x, y, width, height);
 }
 
 /**
  * @ingroup iface_xdg_surface
  *
  * When a configure event is received, if a client commits the
  * surface in response to the configure event, then the client
  * must make an ack_configure request sometime before the commit
  * request, passing along the serial of the configure event.
  *
  * For instance, for toplevel surfaces the compositor might use this
  * information to move a surface to the top left only when the client has
  * drawn itself for the maximized or fullscreen state.
  *
  * If the client receives multiple configure events before it
  * can respond to one, it only has to ack the last configure event.
  * Acking a configure event that was never sent raises an invalid_serial
  * error.
  *
  * A client is not required to commit immediately after sending
  * an ack_configure request - it may even ack_configure several times
  * before its next surface commit.
  *
  * A client may send multiple ack_configure requests before committing, but
  * only the last request sent before a commit indicates which configure
  * event the client really is responding to.
  *
  * Sending an ack_configure request consumes the serial number sent with
  * the request, as well as serial numbers sent by all configure events
  * sent on this xdg_surface prior to the configure event referenced by
  * the committed serial.
  *
  * It is an error to issue multiple ack_configure requests referencing a
  * serial from the same configure event, or to issue an ack_configure
  * request referencing a serial from a configure event issued before the
  * event identified by the last ack_configure request for the same
  * xdg_surface. Doing so will raise an invalid_serial error.
  */
 static inline void
 xdg_surface_ack_configure(struct xdg_surface *xdg_surface, uint32_t serial)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_surface,
 			 XDG_SURFACE_ACK_CONFIGURE, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_surface), 0, serial);
 }
 
 #ifndef XDG_TOPLEVEL_ERROR_ENUM
 #define XDG_TOPLEVEL_ERROR_ENUM
 enum xdg_toplevel_error {
 	/**
 	 * provided value is         not a valid variant of the resize_edge enum
 	 */
 	XDG_TOPLEVEL_ERROR_INVALID_RESIZE_EDGE = 0,
 	/**
 	 * invalid parent toplevel
 	 */
 	XDG_TOPLEVEL_ERROR_INVALID_PARENT = 1,
 	/**
 	 * client provided an invalid min or max size
 	 */
 	XDG_TOPLEVEL_ERROR_INVALID_SIZE = 2,
 };
 #endif /* XDG_TOPLEVEL_ERROR_ENUM */
 
 #ifndef XDG_TOPLEVEL_RESIZE_EDGE_ENUM
 #define XDG_TOPLEVEL_RESIZE_EDGE_ENUM
 /**
  * @ingroup iface_xdg_toplevel
  * edge values for resizing
  *
  * These values are used to indicate which edge of a surface
  * is being dragged in a resize operation.
  */
 enum xdg_toplevel_resize_edge {
 	XDG_TOPLEVEL_RESIZE_EDGE_NONE = 0,
 	XDG_TOPLEVEL_RESIZE_EDGE_TOP = 1,
 	XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM = 2,
 	XDG_TOPLEVEL_RESIZE_EDGE_LEFT = 4,
 	XDG_TOPLEVEL_RESIZE_EDGE_TOP_LEFT = 5,
 	XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM_LEFT = 6,
 	XDG_TOPLEVEL_RESIZE_EDGE_RIGHT = 8,
 	XDG_TOPLEVEL_RESIZE_EDGE_TOP_RIGHT = 9,
 	XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM_RIGHT = 10,
 };
 #endif /* XDG_TOPLEVEL_RESIZE_EDGE_ENUM */
 
 #ifndef XDG_TOPLEVEL_STATE_ENUM
 #define XDG_TOPLEVEL_STATE_ENUM
 /**
  * @ingroup iface_xdg_toplevel
  * types of state on the surface
  *
  * The different state values used on the surface. This is designed for
  * state values like maximized, fullscreen. It is paired with the
  * configure event to ensure that both the client and the compositor
  * setting the state can be synchronized.
  *
  * States set in this way are double-buffered. They will get applied on
  * the next commit.
  */
 enum xdg_toplevel_state {
 	/**
 	 * the surface is maximized
 	 * the surface is maximized
 	 *
 	 * The surface is maximized. The window geometry specified in the
 	 * configure event must be obeyed by the client.
 	 *
 	 * The client should draw without shadow or other decoration
 	 * outside of the window geometry.
 	 */
 	XDG_TOPLEVEL_STATE_MAXIMIZED = 1,
 	/**
 	 * the surface is fullscreen
 	 * the surface is fullscreen
 	 *
 	 * The surface is fullscreen. The window geometry specified in
 	 * the configure event is a maximum; the client cannot resize
 	 * beyond it. For a surface to cover the whole fullscreened area,
 	 * the geometry dimensions must be obeyed by the client. For more
 	 * details, see xdg_toplevel.set_fullscreen.
 	 */
 	XDG_TOPLEVEL_STATE_FULLSCREEN = 2,
 	/**
 	 * the surface is being resized
 	 * the surface is being resized
 	 *
 	 * The surface is being resized. The window geometry specified in
 	 * the configure event is a maximum; the client cannot resize
 	 * beyond it. Clients that have aspect ratio or cell sizing
 	 * configuration can use a smaller size, however.
 	 */
 	XDG_TOPLEVEL_STATE_RESIZING = 3,
 	/**
 	 * the surface is now activated
 	 * the surface is now activated
 	 *
 	 * Client window decorations should be painted as if the window
 	 * is active. Do not assume this means that the window actually has
 	 * keyboard or pointer focus.
 	 */
 	XDG_TOPLEVEL_STATE_ACTIVATED = 4,
 	/**
 	 * the surface’s left edge is tiled
 	 *
 	 * The window is currently in a tiled layout and the left edge is
 	 * considered to be adjacent to another part of the tiling grid.
 	 * @since 2
 	 */
 	XDG_TOPLEVEL_STATE_TILED_LEFT = 5,
 	/**
 	 * the surface’s right edge is tiled
 	 *
 	 * The window is currently in a tiled layout and the right edge
 	 * is considered to be adjacent to another part of the tiling grid.
 	 * @since 2
 	 */
 	XDG_TOPLEVEL_STATE_TILED_RIGHT = 6,
 	/**
 	 * the surface’s top edge is tiled
 	 *
 	 * The window is currently in a tiled layout and the top edge is
 	 * considered to be adjacent to another part of the tiling grid.
 	 * @since 2
 	 */
 	XDG_TOPLEVEL_STATE_TILED_TOP = 7,
 	/**
 	 * the surface’s bottom edge is tiled
 	 *
 	 * The window is currently in a tiled layout and the bottom edge
 	 * is considered to be adjacent to another part of the tiling grid.
 	 * @since 2
 	 */
 	XDG_TOPLEVEL_STATE_TILED_BOTTOM = 8,
 };
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_STATE_TILED_LEFT_SINCE_VERSION 2
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_STATE_TILED_RIGHT_SINCE_VERSION 2
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_STATE_TILED_TOP_SINCE_VERSION 2
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_STATE_TILED_BOTTOM_SINCE_VERSION 2
 #endif /* XDG_TOPLEVEL_STATE_ENUM */
 
 #ifndef XDG_TOPLEVEL_WM_CAPABILITIES_ENUM
 #define XDG_TOPLEVEL_WM_CAPABILITIES_ENUM
 enum xdg_toplevel_wm_capabilities {
 	/**
 	 * show_window_menu is available
 	 */
 	XDG_TOPLEVEL_WM_CAPABILITIES_WINDOW_MENU = 1,
 	/**
 	 * set_maximized and unset_maximized are available
 	 */
 	XDG_TOPLEVEL_WM_CAPABILITIES_MAXIMIZE = 2,
 	/**
 	 * set_fullscreen and unset_fullscreen are available
 	 */
 	XDG_TOPLEVEL_WM_CAPABILITIES_FULLSCREEN = 3,
 	/**
 	 * set_minimized is available
 	 */
 	XDG_TOPLEVEL_WM_CAPABILITIES_MINIMIZE = 4,
 };
 #endif /* XDG_TOPLEVEL_WM_CAPABILITIES_ENUM */
 
 /**
  * @ingroup iface_xdg_toplevel
  * @struct xdg_toplevel_listener
  */
 struct xdg_toplevel_listener {
 	/**
 	 * suggest a surface change
 	 *
 	 * This configure event asks the client to resize its toplevel
 	 * surface or to change its state. The configured state should not
 	 * be applied immediately. See xdg_surface.configure for details.
 	 *
 	 * The width and height arguments specify a hint to the window
 	 * about how its surface should be resized in window geometry
 	 * coordinates. See set_window_geometry.
 	 *
 	 * If the width or height arguments are zero, it means the client
 	 * should decide its own window dimension. This may happen when the
 	 * compositor needs to configure the state of the surface but
 	 * doesn't have any information about any previous or expected
 	 * dimension.
 	 *
 	 * The states listed in the event specify how the width/height
 	 * arguments should be interpreted, and possibly how it should be
 	 * drawn.
 	 *
 	 * Clients must send an ack_configure in response to this event.
 	 * See xdg_surface.configure and xdg_surface.ack_configure for
 	 * details.
 	 */
 	void (*configure)(void *data,
 			  struct xdg_toplevel *xdg_toplevel,
 			  int32_t width,
 			  int32_t height,
 			  struct wl_array *states);
 	/**
 	 * surface wants to be closed
 	 *
 	 * The close event is sent by the compositor when the user wants
 	 * the surface to be closed. This should be equivalent to the user
 	 * clicking the close button in client-side decorations, if your
 	 * application has any.
 	 *
 	 * This is only a request that the user intends to close the
 	 * window. The client may choose to ignore this request, or show a
 	 * dialog to ask the user to save their data, etc.
 	 */
 	void (*close)(void *data,
 		      struct xdg_toplevel *xdg_toplevel);
 	/**
 	 * recommended window geometry bounds
 	 *
 	 * The configure_bounds event may be sent prior to a
 	 * xdg_toplevel.configure event to communicate the bounds a window
 	 * geometry size is recommended to constrain to.
 	 *
 	 * The passed width and height are in surface coordinate space. If
 	 * width and height are 0, it means bounds is unknown and
 	 * equivalent to as if no configure_bounds event was ever sent for
 	 * this surface.
 	 *
 	 * The bounds can for example correspond to the size of a monitor
 	 * excluding any panels or other shell components, so that a
 	 * surface isn't created in a way that it cannot fit.
 	 *
 	 * The bounds may change at any point, and in such a case, a new
 	 * xdg_toplevel.configure_bounds will be sent, followed by
 	 * xdg_toplevel.configure and xdg_surface.configure.
 	 * @since 4
 	 */
 	void (*configure_bounds)(void *data,
 				 struct xdg_toplevel *xdg_toplevel,
 				 int32_t width,
 				 int32_t height);
 	/**
 	 * compositor capabilities
 	 *
 	 * This event advertises the capabilities supported by the
 	 * compositor. If a capability isn't supported, clients should hide
 	 * or disable the UI elements that expose this functionality. For
 	 * instance, if the compositor doesn't advertise support for
 	 * minimized toplevels, a button triggering the set_minimized
 	 * request should not be displayed.
 	 *
 	 * The compositor will ignore requests it doesn't support. For
 	 * instance, a compositor which doesn't advertise support for
 	 * minimized will ignore set_minimized requests.
 	 *
 	 * Compositors must send this event once before the first
 	 * xdg_surface.configure event. When the capabilities change,
 	 * compositors must send this event again and then send an
 	 * xdg_surface.configure event.
 	 *
 	 * The configured state should not be applied immediately. See
 	 * xdg_surface.configure for details.
 	 *
 	 * The capabilities are sent as an array of 32-bit unsigned
 	 * integers in native endianness.
 	 * @param capabilities array of 32-bit capabilities
 	 * @since 5
 	 */
 	void (*wm_capabilities)(void *data,
 				struct xdg_toplevel *xdg_toplevel,
 				struct wl_array *capabilities);
 };
 
 /**
  * @ingroup iface_xdg_toplevel
  */
 static inline int
 xdg_toplevel_add_listener(struct xdg_toplevel *xdg_toplevel,
 			  const struct xdg_toplevel_listener *listener, void *data)
 {
 	return wl_proxy_add_listener((struct wl_proxy *) xdg_toplevel,
 				     (void (**)(void)) listener, data);
 }
 
 #define XDG_TOPLEVEL_DESTROY 0
 #define XDG_TOPLEVEL_SET_PARENT 1
 #define XDG_TOPLEVEL_SET_TITLE 2
 #define XDG_TOPLEVEL_SET_APP_ID 3
 #define XDG_TOPLEVEL_SHOW_WINDOW_MENU 4
 #define XDG_TOPLEVEL_MOVE 5
 #define XDG_TOPLEVEL_RESIZE 6
 #define XDG_TOPLEVEL_SET_MAX_SIZE 7
 #define XDG_TOPLEVEL_SET_MIN_SIZE 8
 #define XDG_TOPLEVEL_SET_MAXIMIZED 9
 #define XDG_TOPLEVEL_UNSET_MAXIMIZED 10
 #define XDG_TOPLEVEL_SET_FULLSCREEN 11
 #define XDG_TOPLEVEL_UNSET_FULLSCREEN 12
 #define XDG_TOPLEVEL_SET_MINIMIZED 13
 
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_CONFIGURE_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_CLOSE_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_CONFIGURE_BOUNDS_SINCE_VERSION 4
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION 5
 
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_DESTROY_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_SET_PARENT_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_SET_TITLE_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_SET_APP_ID_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_SHOW_WINDOW_MENU_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_MOVE_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_RESIZE_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_SET_MAX_SIZE_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_SET_MIN_SIZE_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_SET_MAXIMIZED_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_UNSET_MAXIMIZED_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_SET_FULLSCREEN_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_UNSET_FULLSCREEN_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_toplevel
  */
 #define XDG_TOPLEVEL_SET_MINIMIZED_SINCE_VERSION 1
 
 /** @ingroup iface_xdg_toplevel */
 static inline void
 xdg_toplevel_set_user_data(struct xdg_toplevel *xdg_toplevel, void *user_data)
 {
 	wl_proxy_set_user_data((struct wl_proxy *) xdg_toplevel, user_data);
 }
 
 /** @ingroup iface_xdg_toplevel */
 static inline void *
 xdg_toplevel_get_user_data(struct xdg_toplevel *xdg_toplevel)
 {
 	return wl_proxy_get_user_data((struct wl_proxy *) xdg_toplevel);
 }
 
 static inline uint32_t
 xdg_toplevel_get_version(struct xdg_toplevel *xdg_toplevel)
 {
 	return wl_proxy_get_version((struct wl_proxy *) xdg_toplevel);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * This request destroys the role surface and unmaps the surface;
  * see "Unmapping" behavior in interface section for details.
  */
 static inline void
 xdg_toplevel_destroy(struct xdg_toplevel *xdg_toplevel)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_DESTROY, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), WL_MARSHAL_FLAG_DESTROY);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Set the "parent" of this surface. This surface should be stacked
  * above the parent surface and all other ancestor surfaces.
  *
  * Parent surfaces should be set on dialogs, toolboxes, or other
  * "auxiliary" surfaces, so that the parent is raised when the dialog
  * is raised.
  *
  * Setting a null parent for a child surface unsets its parent. Setting
  * a null parent for a surface which currently has no parent is a no-op.
  *
  * Only mapped surfaces can have child surfaces. Setting a parent which
  * is not mapped is equivalent to setting a null parent. If a surface
  * becomes unmapped, its children's parent is set to the parent of
  * the now-unmapped surface. If the now-unmapped surface has no parent,
  * its children's parent is unset. If the now-unmapped surface becomes
  * mapped again, its parent-child relationship is not restored.
  *
  * The parent toplevel must not be one of the child toplevel's
  * descendants, and the parent must be different from the child toplevel,
  * otherwise the invalid_parent protocol error is raised.
  */
 static inline void
 xdg_toplevel_set_parent(struct xdg_toplevel *xdg_toplevel, struct xdg_toplevel *parent)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_SET_PARENT, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0, parent);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Set a short title for the surface.
  *
  * This string may be used to identify the surface in a task bar,
  * window list, or other user interface elements provided by the
  * compositor.
  *
  * The string must be encoded in UTF-8.
  */
 static inline void
 xdg_toplevel_set_title(struct xdg_toplevel *xdg_toplevel, const char *title)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_SET_TITLE, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0, title);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Set an application identifier for the surface.
  *
  * The app ID identifies the general class of applications to which
  * the surface belongs. The compositor can use this to group multiple
  * surfaces together, or to determine how to launch a new application.
  *
  * For D-Bus activatable applications, the app ID is used as the D-Bus
  * service name.
  *
  * The compositor shell will try to group application surfaces together
  * by their app ID. As a best practice, it is suggested to select app
  * ID's that match the basename of the application's .desktop file.
  * For example, "org.freedesktop.FooViewer" where the .desktop file is
  * "org.freedesktop.FooViewer.desktop".
  *
  * Like other properties, a set_app_id request can be sent after the
  * xdg_toplevel has been mapped to update the property.
  *
  * See the desktop-entry specification [0] for more details on
  * application identifiers and how they relate to well-known D-Bus
  * names and .desktop files.
  *
  * [0] https://standards.freedesktop.org/desktop-entry-spec/
  */
 static inline void
 xdg_toplevel_set_app_id(struct xdg_toplevel *xdg_toplevel, const char *app_id)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_SET_APP_ID, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0, app_id);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Clients implementing client-side decorations might want to show
  * a context menu when right-clicking on the decorations, giving the
  * user a menu that they can use to maximize or minimize the window.
  *
  * This request asks the compositor to pop up such a window menu at
  * the given position, relative to the local surface coordinates of
  * the parent surface. There are no guarantees as to what menu items
  * the window menu contains, or even if a window menu will be drawn
  * at all.
  *
  * This request must be used in response to some sort of user action
  * like a button press, key press, or touch down event.
  */
 static inline void
 xdg_toplevel_show_window_menu(struct xdg_toplevel *xdg_toplevel, struct wl_seat *seat, uint32_t serial, int32_t x, int32_t y)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_SHOW_WINDOW_MENU, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0, seat, serial, x, y);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Start an interactive, user-driven move of the surface.
  *
  * This request must be used in response to some sort of user action
  * like a button press, key press, or touch down event. The passed
  * serial is used to determine the type of interactive move (touch,
  * pointer, etc).
  *
  * The server may ignore move requests depending on the state of
  * the surface (e.g. fullscreen or maximized), or if the passed serial
  * is no longer valid.
  *
  * If triggered, the surface will lose the focus of the device
  * (wl_pointer, wl_touch, etc) used for the move. It is up to the
  * compositor to visually indicate that the move is taking place, such as
  * updating a pointer cursor, during the move. There is no guarantee
  * that the device focus will return when the move is completed.
  */
 static inline void
 xdg_toplevel_move(struct xdg_toplevel *xdg_toplevel, struct wl_seat *seat, uint32_t serial)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_MOVE, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0, seat, serial);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Start a user-driven, interactive resize of the surface.
  *
  * This request must be used in response to some sort of user action
  * like a button press, key press, or touch down event. The passed
  * serial is used to determine the type of interactive resize (touch,
  * pointer, etc).
  *
  * The server may ignore resize requests depending on the state of
  * the surface (e.g. fullscreen or maximized).
  *
  * If triggered, the client will receive configure events with the
  * "resize" state enum value and the expected sizes. See the "resize"
  * enum value for more details about what is required. The client
  * must also acknowledge configure events using "ack_configure". After
  * the resize is completed, the client will receive another "configure"
  * event without the resize state.
  *
  * If triggered, the surface also will lose the focus of the device
  * (wl_pointer, wl_touch, etc) used for the resize. It is up to the
  * compositor to visually indicate that the resize is taking place,
  * such as updating a pointer cursor, during the resize. There is no
  * guarantee that the device focus will return when the resize is
  * completed.
  *
  * The edges parameter specifies how the surface should be resized, and
  * is one of the values of the resize_edge enum. Values not matching
  * a variant of the enum will cause a protocol error. The compositor
  * may use this information to update the surface position for example
  * when dragging the top left corner. The compositor may also use
  * this information to adapt its behavior, e.g. choose an appropriate
  * cursor image.
  */
 static inline void
 xdg_toplevel_resize(struct xdg_toplevel *xdg_toplevel, struct wl_seat *seat, uint32_t serial, uint32_t edges)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_RESIZE, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0, seat, serial, edges);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Set a maximum size for the window.
  *
  * The client can specify a maximum size so that the compositor does
  * not try to configure the window beyond this size.
  *
  * The width and height arguments are in window geometry coordinates.
  * See xdg_surface.set_window_geometry.
  *
  * Values set in this way are double-buffered. They will get applied
  * on the next commit.
  *
  * The compositor can use this information to allow or disallow
  * different states like maximize or fullscreen and draw accurate
  * animations.
  *
  * Similarly, a tiling window manager may use this information to
  * place and resize client windows in a more effective way.
  *
  * The client should not rely on the compositor to obey the maximum
  * size. The compositor may decide to ignore the values set by the
  * client and request a larger size.
  *
  * If never set, or a value of zero in the request, means that the
  * client has no expected maximum size in the given dimension.
  * As a result, a client wishing to reset the maximum size
  * to an unspecified state can use zero for width and height in the
  * request.
  *
  * Requesting a maximum size to be smaller than the minimum size of
  * a surface is illegal and will result in an invalid_size error.
  *
  * The width and height must be greater than or equal to zero. Using
  * strictly negative values for width or height will result in a
  * invalid_size error.
  */
 static inline void
 xdg_toplevel_set_max_size(struct xdg_toplevel *xdg_toplevel, int32_t width, int32_t height)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_SET_MAX_SIZE, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0, width, height);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Set a minimum size for the window.
  *
  * The client can specify a minimum size so that the compositor does
  * not try to configure the window below this size.
  *
  * The width and height arguments are in window geometry coordinates.
  * See xdg_surface.set_window_geometry.
  *
  * Values set in this way are double-buffered. They will get applied
  * on the next commit.
  *
  * The compositor can use this information to allow or disallow
  * different states like maximize or fullscreen and draw accurate
  * animations.
  *
  * Similarly, a tiling window manager may use this information to
  * place and resize client windows in a more effective way.
  *
  * The client should not rely on the compositor to obey the minimum
  * size. The compositor may decide to ignore the values set by the
  * client and request a smaller size.
  *
  * If never set, or a value of zero in the request, means that the
  * client has no expected minimum size in the given dimension.
  * As a result, a client wishing to reset the minimum size
  * to an unspecified state can use zero for width and height in the
  * request.
  *
  * Requesting a minimum size to be larger than the maximum size of
  * a surface is illegal and will result in an invalid_size error.
  *
  * The width and height must be greater than or equal to zero. Using
  * strictly negative values for width and height will result in a
  * invalid_size error.
  */
 static inline void
 xdg_toplevel_set_min_size(struct xdg_toplevel *xdg_toplevel, int32_t width, int32_t height)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_SET_MIN_SIZE, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0, width, height);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Maximize the surface.
  *
  * After requesting that the surface should be maximized, the compositor
  * will respond by emitting a configure event. Whether this configure
  * actually sets the window maximized is subject to compositor policies.
  * The client must then update its content, drawing in the configured
  * state. The client must also acknowledge the configure when committing
  * the new content (see ack_configure).
  *
  * It is up to the compositor to decide how and where to maximize the
  * surface, for example which output and what region of the screen should
  * be used.
  *
  * If the surface was already maximized, the compositor will still emit
  * a configure event with the "maximized" state.
  *
  * If the surface is in a fullscreen state, this request has no direct
  * effect. It may alter the state the surface is returned to when
  * unmaximized unless overridden by the compositor.
  */
 static inline void
 xdg_toplevel_set_maximized(struct xdg_toplevel *xdg_toplevel)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_SET_MAXIMIZED, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Unmaximize the surface.
  *
  * After requesting that the surface should be unmaximized, the compositor
  * will respond by emitting a configure event. Whether this actually
  * un-maximizes the window is subject to compositor policies.
  * If available and applicable, the compositor will include the window
  * geometry dimensions the window had prior to being maximized in the
  * configure event. The client must then update its content, drawing it in
  * the configured state. The client must also acknowledge the configure
  * when committing the new content (see ack_configure).
  *
  * It is up to the compositor to position the surface after it was
  * unmaximized; usually the position the surface had before maximizing, if
  * applicable.
  *
  * If the surface was already not maximized, the compositor will still
  * emit a configure event without the "maximized" state.
  *
  * If the surface is in a fullscreen state, this request has no direct
  * effect. It may alter the state the surface is returned to when
  * unmaximized unless overridden by the compositor.
  */
 static inline void
 xdg_toplevel_unset_maximized(struct xdg_toplevel *xdg_toplevel)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_UNSET_MAXIMIZED, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Make the surface fullscreen.
  *
  * After requesting that the surface should be fullscreened, the
  * compositor will respond by emitting a configure event. Whether the
  * client is actually put into a fullscreen state is subject to compositor
  * policies. The client must also acknowledge the configure when
  * committing the new content (see ack_configure).
  *
  * The output passed by the request indicates the client's preference as
  * to which display it should be set fullscreen on. If this value is NULL,
  * it's up to the compositor to choose which display will be used to map
  * this surface.
  *
  * If the surface doesn't cover the whole output, the compositor will
  * position the surface in the center of the output and compensate with
  * with border fill covering the rest of the output. The content of the
  * border fill is undefined, but should be assumed to be in some way that
  * attempts to blend into the surrounding area (e.g. solid black).
  *
  * If the fullscreened surface is not opaque, the compositor must make
  * sure that other screen content not part of the same surface tree (made
  * up of subsurfaces, popups or similarly coupled surfaces) are not
  * visible below the fullscreened surface.
  */
 static inline void
 xdg_toplevel_set_fullscreen(struct xdg_toplevel *xdg_toplevel, struct wl_output *output)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_SET_FULLSCREEN, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0, output);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Make the surface no longer fullscreen.
  *
  * After requesting that the surface should be unfullscreened, the
  * compositor will respond by emitting a configure event.
  * Whether this actually removes the fullscreen state of the client is
  * subject to compositor policies.
  *
  * Making a surface unfullscreen sets states for the surface based on the following:
  * * the state(s) it may have had before becoming fullscreen
  * * any state(s) decided by the compositor
  * * any state(s) requested by the client while the surface was fullscreen
  *
  * The compositor may include the previous window geometry dimensions in
  * the configure event, if applicable.
  *
  * The client must also acknowledge the configure when committing the new
  * content (see ack_configure).
  */
 static inline void
 xdg_toplevel_unset_fullscreen(struct xdg_toplevel *xdg_toplevel)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_UNSET_FULLSCREEN, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0);
 }
 
 /**
  * @ingroup iface_xdg_toplevel
  *
  * Request that the compositor minimize your surface. There is no
  * way to know if the surface is currently minimized, nor is there
  * any way to unset minimization on this surface.
  *
  * If you are looking to throttle redrawing when minimized, please
  * instead use the wl_surface.frame event for this, as this will
  * also work with live previews on windows in Alt-Tab, Expose or
  * similar compositor features.
  */
 static inline void
 xdg_toplevel_set_minimized(struct xdg_toplevel *xdg_toplevel)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_toplevel,
 			 XDG_TOPLEVEL_SET_MINIMIZED, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_toplevel), 0);
 }
 
 #ifndef XDG_POPUP_ERROR_ENUM
 #define XDG_POPUP_ERROR_ENUM
 enum xdg_popup_error {
 	/**
 	 * tried to grab after being mapped
 	 */
 	XDG_POPUP_ERROR_INVALID_GRAB = 0,
 };
 #endif /* XDG_POPUP_ERROR_ENUM */
 
 /**
  * @ingroup iface_xdg_popup
  * @struct xdg_popup_listener
  */
 struct xdg_popup_listener {
 	/**
 	 * configure the popup surface
 	 *
 	 * This event asks the popup surface to configure itself given
 	 * the configuration. The configured state should not be applied
 	 * immediately. See xdg_surface.configure for details.
 	 *
 	 * The x and y arguments represent the position the popup was
 	 * placed at given the xdg_positioner rule, relative to the upper
 	 * left corner of the window geometry of the parent surface.
 	 *
 	 * For version 2 or older, the configure event for an xdg_popup is
 	 * only ever sent once for the initial configuration. Starting with
 	 * version 3, it may be sent again if the popup is setup with an
 	 * xdg_positioner with set_reactive requested, or in response to
 	 * xdg_popup.reposition requests.
 	 * @param x x position relative to parent surface window geometry
 	 * @param y y position relative to parent surface window geometry
 	 * @param width window geometry width
 	 * @param height window geometry height
 	 */
 	void (*configure)(void *data,
 			  struct xdg_popup *xdg_popup,
 			  int32_t x,
 			  int32_t y,
 			  int32_t width,
 			  int32_t height);
 	/**
 	 * popup interaction is done
 	 *
 	 * The popup_done event is sent out when a popup is dismissed by
 	 * the compositor. The client should destroy the xdg_popup object
 	 * at this point.
 	 */
 	void (*popup_done)(void *data,
 			   struct xdg_popup *xdg_popup);
 	/**
 	 * signal the completion of a repositioned request
 	 *
 	 * The repositioned event is sent as part of a popup
 	 * configuration sequence, together with xdg_popup.configure and
 	 * lastly xdg_surface.configure to notify the completion of a
 	 * reposition request.
 	 *
 	 * The repositioned event is to notify about the completion of a
 	 * xdg_popup.reposition request. The token argument is the token
 	 * passed in the xdg_popup.reposition request.
 	 *
 	 * Immediately after this event is emitted, xdg_popup.configure and
 	 * xdg_surface.configure will be sent with the updated size and
 	 * position, as well as a new configure serial.
 	 *
 	 * The client should optionally update the content of the popup,
 	 * but must acknowledge the new popup configuration for the new
 	 * position to take effect. See xdg_surface.ack_configure for
 	 * details.
 	 * @param token reposition request token
 	 * @since 3
 	 */
 	void (*repositioned)(void *data,
 			     struct xdg_popup *xdg_popup,
 			     uint32_t token);
 };
 
 /**
  * @ingroup iface_xdg_popup
  */
 static inline int
 xdg_popup_add_listener(struct xdg_popup *xdg_popup,
 		       const struct xdg_popup_listener *listener, void *data)
 {
 	return wl_proxy_add_listener((struct wl_proxy *) xdg_popup,
 				     (void (**)(void)) listener, data);
 }
 
 #define XDG_POPUP_DESTROY 0
 #define XDG_POPUP_GRAB 1
 #define XDG_POPUP_REPOSITION 2
 
 /**
  * @ingroup iface_xdg_popup
  */
 #define XDG_POPUP_CONFIGURE_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_popup
  */
 #define XDG_POPUP_POPUP_DONE_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_popup
  */
 #define XDG_POPUP_REPOSITIONED_SINCE_VERSION 3
 
 /**
  * @ingroup iface_xdg_popup
  */
 #define XDG_POPUP_DESTROY_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_popup
  */
 #define XDG_POPUP_GRAB_SINCE_VERSION 1
 /**
  * @ingroup iface_xdg_popup
  */
 #define XDG_POPUP_REPOSITION_SINCE_VERSION 3
 
 /** @ingroup iface_xdg_popup */
 static inline void
 xdg_popup_set_user_data(struct xdg_popup *xdg_popup, void *user_data)
 {
 	wl_proxy_set_user_data((struct wl_proxy *) xdg_popup, user_data);
 }
 
 /** @ingroup iface_xdg_popup */
 static inline void *
 xdg_popup_get_user_data(struct xdg_popup *xdg_popup)
 {
 	return wl_proxy_get_user_data((struct wl_proxy *) xdg_popup);
 }
 
 static inline uint32_t
 xdg_popup_get_version(struct xdg_popup *xdg_popup)
 {
 	return wl_proxy_get_version((struct wl_proxy *) xdg_popup);
 }
 
 /**
  * @ingroup iface_xdg_popup
  *
  * This destroys the popup. Explicitly destroying the xdg_popup
  * object will also dismiss the popup, and unmap the surface.
  *
  * If this xdg_popup is not the "topmost" popup, a protocol error
  * will be sent.
  */
 static inline void
 xdg_popup_destroy(struct xdg_popup *xdg_popup)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_popup,
 			 XDG_POPUP_DESTROY, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_popup), WL_MARSHAL_FLAG_DESTROY);
 }
 
 /**
  * @ingroup iface_xdg_popup
  *
  * This request makes the created popup take an explicit grab. An explicit
  * grab will be dismissed when the user dismisses the popup, or when the
  * client destroys the xdg_popup. This can be done by the user clicking
  * outside the surface, using the keyboard, or even locking the screen
  * through closing the lid or a timeout.
  *
  * If the compositor denies the grab, the popup will be immediately
  * dismissed.
  *
  * This request must be used in response to some sort of user action like a
  * button press, key press, or touch down event. The serial number of the
  * event should be passed as 'serial'.
  *
  * The parent of a grabbing popup must either be an xdg_toplevel surface or
  * another xdg_popup with an explicit grab. If the parent is another
  * xdg_popup it means that the popups are nested, with this popup now being
  * the topmost popup.
  *
  * Nested popups must be destroyed in the reverse order they were created
  * in, e.g. the only popup you are allowed to destroy at all times is the
  * topmost one.
  *
  * When compositors choose to dismiss a popup, they may dismiss every
  * nested grabbing popup as well. When a compositor dismisses popups, it
  * will follow the same dismissing order as required from the client.
  *
  * If the topmost grabbing popup is destroyed, the grab will be returned to
  * the parent of the popup, if that parent previously had an explicit grab.
  *
  * If the parent is a grabbing popup which has already been dismissed, this
  * popup will be immediately dismissed. If the parent is a popup that did
  * not take an explicit grab, an error will be raised.
  *
  * During a popup grab, the client owning the grab will receive pointer
  * and touch events for all their surfaces as normal (similar to an
  * "owner-events" grab in X11 parlance), while the top most grabbing popup
  * will always have keyboard focus.
  */
 static inline void
 xdg_popup_grab(struct xdg_popup *xdg_popup, struct wl_seat *seat, uint32_t serial)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_popup,
 			 XDG_POPUP_GRAB, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_popup), 0, seat, serial);
 }
 
 /**
  * @ingroup iface_xdg_popup
  *
  * Reposition an already-mapped popup. The popup will be placed given the
  * details in the passed xdg_positioner object, and a
  * xdg_popup.repositioned followed by xdg_popup.configure and
  * xdg_surface.configure will be emitted in response. Any parameters set
  * by the previous positioner will be discarded.
  *
  * The passed token will be sent in the corresponding
  * xdg_popup.repositioned event. The new popup position will not take
  * effect until the corresponding configure event is acknowledged by the
  * client. See xdg_popup.repositioned for details. The token itself is
  * opaque, and has no other special meaning.
  *
  * If multiple reposition requests are sent, the compositor may skip all
  * but the last one.
  *
  * If the popup is repositioned in response to a configure event for its
  * parent, the client should send an xdg_positioner.set_parent_configure
  * and possibly an xdg_positioner.set_parent_size request to allow the
  * compositor to properly constrain the popup.
  *
  * If the popup is repositioned together with a parent that is being
  * resized, but not in response to a configure event, the client should
  * send an xdg_positioner.set_parent_size request.
  */
 static inline void
 xdg_popup_reposition(struct xdg_popup *xdg_popup, struct xdg_positioner *positioner, uint32_t token)
 {
 	wl_proxy_marshal_flags((struct wl_proxy *) xdg_popup,
 			 XDG_POPUP_REPOSITION, NULL, wl_proxy_get_version((struct wl_proxy *) xdg_popup), 0, positioner, token);
 }
 
 #ifdef  __cplusplus
 }
 #endif
 
 #endif