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diff --git a/widget/gtk/wayland/xdg-output-unstable-v1-client-protocol.h b/widget/gtk/wayland/xdg-output-unstable-v1-client-protocol.h
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+/* Generated by wayland-scanner 1.18.0 */
+
+#ifndef XDG_OUTPUT_UNSTABLE_V1_CLIENT_PROTOCOL_H
+#define XDG_OUTPUT_UNSTABLE_V1_CLIENT_PROTOCOL_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include "wayland-client.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @page page_xdg_output_unstable_v1 The xdg_output_unstable_v1 protocol
+ * Protocol to describe output regions
+ *
+ * @section page_desc_xdg_output_unstable_v1 Description
+ *
+ * This protocol aims at describing outputs in a way which is more in line
+ * with the concept of an output on desktop oriented systems.
+ *
+ * Some information are more specific to the concept of an output for
+ * a desktop oriented system and may not make sense in other applications,
+ * such as IVI systems for example.
+ *
+ * Typically, the global compositor space on a desktop system is made of
+ * a contiguous or overlapping set of rectangular regions.
+ *
+ * Some of the information provided in this protocol might be identical
+ * to their counterparts already available from wl_output, in which case
+ * the information provided by this protocol should be preferred to their
+ * equivalent in wl_output. The goal is to move the desktop specific
+ * concepts (such as output location within the global compositor space,
+ * the connector name and types, etc.) out of the core wl_output protocol.
+ *
+ * Warning! The protocol described in this file is experimental and
+ * backward incompatible changes may be made. Backward compatible
+ * changes may be added together with the corresponding interface
+ * version bump.
+ * Backward incompatible changes are done by bumping the version
+ * number in the protocol and interface names and resetting the
+ * interface version. Once the protocol is to be declared stable,
+ * the 'z' prefix and the version number in the protocol and
+ * interface names are removed and the interface version number is
+ * reset.
+ *
+ * @section page_ifaces_xdg_output_unstable_v1 Interfaces
+ * - @subpage page_iface_zxdg_output_manager_v1 - manage xdg_output objects
+ * - @subpage page_iface_zxdg_output_v1 - compositor logical output region
+ * @section page_copyright_xdg_output_unstable_v1 Copyright
+ * <pre>
+ *
+ * Copyright © 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 zxdg_output_manager_v1;
+struct zxdg_output_v1;
+
+/**
+ * @page page_iface_zxdg_output_manager_v1 zxdg_output_manager_v1
+ * @section page_iface_zxdg_output_manager_v1_desc Description
+ *
+ * A global factory interface for xdg_output objects.
+ * @section page_iface_zxdg_output_manager_v1_api API
+ * See @ref iface_zxdg_output_manager_v1.
+ */
+/**
+ * @defgroup iface_zxdg_output_manager_v1 The zxdg_output_manager_v1 interface
+ *
+ * A global factory interface for xdg_output objects.
+ */
+extern const struct wl_interface zxdg_output_manager_v1_interface;
+/**
+ * @page page_iface_zxdg_output_v1 zxdg_output_v1
+ * @section page_iface_zxdg_output_v1_desc Description
+ *
+ * An xdg_output describes part of the compositor geometry.
+ *
+ * This typically corresponds to a monitor that displays part of the
+ * compositor space.
+ *
+ * For objects version 3 onwards, after all xdg_output properties have been
+ * sent (when the object is created and when properties are updated), a
+ * wl_output.done event is sent. This allows changes to the output
+ * properties to be seen as atomic, even if they happen via multiple events.
+ * @section page_iface_zxdg_output_v1_api API
+ * See @ref iface_zxdg_output_v1.
+ */
+/**
+ * @defgroup iface_zxdg_output_v1 The zxdg_output_v1 interface
+ *
+ * An xdg_output describes part of the compositor geometry.
+ *
+ * This typically corresponds to a monitor that displays part of the
+ * compositor space.
+ *
+ * For objects version 3 onwards, after all xdg_output properties have been
+ * sent (when the object is created and when properties are updated), a
+ * wl_output.done event is sent. This allows changes to the output
+ * properties to be seen as atomic, even if they happen via multiple events.
+ */
+extern const struct wl_interface zxdg_output_v1_interface;
+
+#define ZXDG_OUTPUT_MANAGER_V1_DESTROY 0
+#define ZXDG_OUTPUT_MANAGER_V1_GET_XDG_OUTPUT 1
+
+/**
+ * @ingroup iface_zxdg_output_manager_v1
+ */
+#define ZXDG_OUTPUT_MANAGER_V1_DESTROY_SINCE_VERSION 1
+/**
+ * @ingroup iface_zxdg_output_manager_v1
+ */
+#define ZXDG_OUTPUT_MANAGER_V1_GET_XDG_OUTPUT_SINCE_VERSION 1
+
+/** @ingroup iface_zxdg_output_manager_v1 */
+static inline void zxdg_output_manager_v1_set_user_data(
+    struct zxdg_output_manager_v1* zxdg_output_manager_v1, void* user_data) {
+  wl_proxy_set_user_data((struct wl_proxy*)zxdg_output_manager_v1, user_data);
+}
+
+/** @ingroup iface_zxdg_output_manager_v1 */
+static inline void* zxdg_output_manager_v1_get_user_data(
+    struct zxdg_output_manager_v1* zxdg_output_manager_v1) {
+  return wl_proxy_get_user_data((struct wl_proxy*)zxdg_output_manager_v1);
+}
+
+static inline uint32_t zxdg_output_manager_v1_get_version(
+    struct zxdg_output_manager_v1* zxdg_output_manager_v1) {
+  return wl_proxy_get_version((struct wl_proxy*)zxdg_output_manager_v1);
+}
+
+/**
+ * @ingroup iface_zxdg_output_manager_v1
+ *
+ * Using this request a client can tell the server that it is not
+ * going to use the xdg_output_manager object anymore.
+ *
+ * Any objects already created through this instance are not affected.
+ */
+static inline void zxdg_output_manager_v1_destroy(
+    struct zxdg_output_manager_v1* zxdg_output_manager_v1) {
+  wl_proxy_marshal((struct wl_proxy*)zxdg_output_manager_v1,
+                   ZXDG_OUTPUT_MANAGER_V1_DESTROY);
+
+  wl_proxy_destroy((struct wl_proxy*)zxdg_output_manager_v1);
+}
+
+/**
+ * @ingroup iface_zxdg_output_manager_v1
+ *
+ * This creates a new xdg_output object for the given wl_output.
+ */
+static inline struct zxdg_output_v1* zxdg_output_manager_v1_get_xdg_output(
+    struct zxdg_output_manager_v1* zxdg_output_manager_v1,
+    struct wl_output* output) {
+  struct wl_proxy* id;
+
+  id = wl_proxy_marshal_constructor((struct wl_proxy*)zxdg_output_manager_v1,
+                                    ZXDG_OUTPUT_MANAGER_V1_GET_XDG_OUTPUT,
+                                    &zxdg_output_v1_interface, NULL, output);
+
+  return (struct zxdg_output_v1*)id;
+}
+
+/**
+ * @ingroup iface_zxdg_output_v1
+ * @struct zxdg_output_v1_listener
+ */
+struct zxdg_output_v1_listener {
+  /**
+   * position of the output within the global compositor space
+   *
+   * The position event describes the location of the wl_output
+   * within the global compositor space.
+   *
+   * The logical_position event is sent after creating an xdg_output
+   * (see xdg_output_manager.get_xdg_output) and whenever the
+   * location of the output changes within the global compositor
+   * space.
+   * @param x x position within the global compositor space
+   * @param y y position within the global compositor space
+   */
+  void (*logical_position)(void* data, struct zxdg_output_v1* zxdg_output_v1,
+                           int32_t x, int32_t y);
+  /**
+   * size of the output in the global compositor space
+   *
+   * The logical_size event describes the size of the output in the
+   * global compositor space.
+   *
+   * For example, a surface without any buffer scale, transformation
+   * nor rotation set, with the size matching the logical_size will
+   * have the same size as the corresponding output when displayed.
+   *
+   * Most regular Wayland clients should not pay attention to the
+   * logical size and would rather rely on xdg_shell interfaces.
+   *
+   * Some clients such as Xwayland, however, need this to configure
+   * their surfaces in the global compositor space as the compositor
+   * may apply a different scale from what is advertised by the
+   * output scaling property (to achieve fractional scaling, for
+   * example).
+   *
+   * For example, for a wl_output mode 3840×2160 and a scale factor
+   * 2:
+   *
+   * - A compositor not scaling the surface buffers will advertise a
+   * logical size of 3840×2160,
+   *
+   * - A compositor automatically scaling the surface buffers will
+   * advertise a logical size of 1920×1080,
+   *
+   * - A compositor using a fractional scale of 1.5 will advertise a
+   * logical size to 2560×1620.
+   *
+   * For example, for a wl_output mode 1920×1080 and a 90 degree
+   * rotation, the compositor will advertise a logical size of
+   * 1080x1920.
+   *
+   * The logical_size event is sent after creating an xdg_output (see
+   * xdg_output_manager.get_xdg_output) and whenever the logical size
+   * of the output changes, either as a result of a change in the
+   * applied scale or because of a change in the corresponding output
+   * mode(see wl_output.mode) or transform (see wl_output.transform).
+   * @param width width in global compositor space
+   * @param height height in global compositor space
+   */
+  void (*logical_size)(void* data, struct zxdg_output_v1* zxdg_output_v1,
+                       int32_t width, int32_t height);
+  /**
+   * all information about the output have been sent
+   *
+   * This event is sent after all other properties of an xdg_output
+   * have been sent.
+   *
+   * This allows changes to the xdg_output properties to be seen as
+   * atomic, even if they happen via multiple events.
+   *
+   * For objects version 3 onwards, this event is deprecated.
+   * Compositors are not required to send it anymore and must send
+   * wl_output.done instead.
+   */
+  void (*done)(void* data, struct zxdg_output_v1* zxdg_output_v1);
+  /**
+   * name of this output
+   *
+   * Many compositors will assign names to their outputs, show them
+   * to the user, allow them to be configured by name, etc. The
+   * client may wish to know this name as well to offer the user
+   * similar behaviors.
+   *
+   * The naming convention is compositor defined, but limited to
+   * alphanumeric characters and dashes (-). Each name is unique
+   * among all wl_output globals, but if a wl_output global is
+   * destroyed the same name may be reused later. The names will also
+   * remain consistent across sessions with the same hardware and
+   * software configuration.
+   *
+   * Examples of names include 'HDMI-A-1', 'WL-1', 'X11-1', etc.
+   * However, do not assume that the name is a reflection of an
+   * underlying DRM connector, X11 connection, etc.
+   *
+   * The name event is sent after creating an xdg_output (see
+   * xdg_output_manager.get_xdg_output). This event is only sent once
+   * per xdg_output, and the name does not change over the lifetime
+   * of the wl_output global.
+   * @param name output name
+   * @since 2
+   */
+  void (*name)(void* data, struct zxdg_output_v1* zxdg_output_v1,
+               const char* name);
+  /**
+   * human-readable description of this output
+   *
+   * Many compositors can produce human-readable descriptions of
+   * their outputs. The client may wish to know this description as
+   * well, to communicate the user for various purposes.
+   *
+   * The description is a UTF-8 string with no convention defined for
+   * its contents. Examples might include 'Foocorp 11" Display' or
+   * 'Virtual X11 output via :1'.
+   *
+   * The description event is sent after creating an xdg_output (see
+   * xdg_output_manager.get_xdg_output) and whenever the description
+   * changes. The description is optional, and may not be sent at
+   * all.
+   *
+   * For objects of version 2 and lower, this event is only sent once
+   * per xdg_output, and the description does not change over the
+   * lifetime of the wl_output global.
+   * @param description output description
+   * @since 2
+   */
+  void (*description)(void* data, struct zxdg_output_v1* zxdg_output_v1,
+                      const char* description);
+};
+
+/**
+ * @ingroup iface_zxdg_output_v1
+ */
+static inline int zxdg_output_v1_add_listener(
+    struct zxdg_output_v1* zxdg_output_v1,
+    const struct zxdg_output_v1_listener* listener, void* data) {
+  return wl_proxy_add_listener((struct wl_proxy*)zxdg_output_v1,
+                               (void (**)(void))listener, data);
+}
+
+#define ZXDG_OUTPUT_V1_DESTROY 0
+
+/**
+ * @ingroup iface_zxdg_output_v1
+ */
+#define ZXDG_OUTPUT_V1_LOGICAL_POSITION_SINCE_VERSION 1
+/**
+ * @ingroup iface_zxdg_output_v1
+ */
+#define ZXDG_OUTPUT_V1_LOGICAL_SIZE_SINCE_VERSION 1
+/**
+ * @ingroup iface_zxdg_output_v1
+ */
+#define ZXDG_OUTPUT_V1_DONE_SINCE_VERSION 1
+/**
+ * @ingroup iface_zxdg_output_v1
+ */
+#define ZXDG_OUTPUT_V1_NAME_SINCE_VERSION 2
+/**
+ * @ingroup iface_zxdg_output_v1
+ */
+#define ZXDG_OUTPUT_V1_DESCRIPTION_SINCE_VERSION 2
+
+/**
+ * @ingroup iface_zxdg_output_v1
+ */
+#define ZXDG_OUTPUT_V1_DESTROY_SINCE_VERSION 1
+
+/** @ingroup iface_zxdg_output_v1 */
+static inline void zxdg_output_v1_set_user_data(
+    struct zxdg_output_v1* zxdg_output_v1, void* user_data) {
+  wl_proxy_set_user_data((struct wl_proxy*)zxdg_output_v1, user_data);
+}
+
+/** @ingroup iface_zxdg_output_v1 */
+static inline void* zxdg_output_v1_get_user_data(
+    struct zxdg_output_v1* zxdg_output_v1) {
+  return wl_proxy_get_user_data((struct wl_proxy*)zxdg_output_v1);
+}
+
+static inline uint32_t zxdg_output_v1_get_version(
+    struct zxdg_output_v1* zxdg_output_v1) {
+  return wl_proxy_get_version((struct wl_proxy*)zxdg_output_v1);
+}
+
+/**
+ * @ingroup iface_zxdg_output_v1
+ *
+ * Using this request a client can tell the server that it is not
+ * going to use the xdg_output object anymore.
+ */
+static inline void zxdg_output_v1_destroy(
+    struct zxdg_output_v1* zxdg_output_v1) {
+  wl_proxy_marshal((struct wl_proxy*)zxdg_output_v1, ZXDG_OUTPUT_V1_DESTROY);
+
+  wl_proxy_destroy((struct wl_proxy*)zxdg_output_v1);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif