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There are two surface roles owning a MetaWindow: MetaWaylandShellSurface (basis of MetaWaylandXdgToplevel, MetaWaylandXdgPopup, MetaWaylandWlShellSurface, etc), and MetaXwaylandSurface. With these two role types, the MetaWindow has two different types of life times. With MetaWaylandShellSurface, the window is owned and managed by the role itself, while with MetaXwaylandSurface, the MetaWindow is tied to the X11 window, while the Wayland surface and its role plays more the role of the backing rendering surface. Before, for historical reasons, MetaWindow was part of MetaWaylandSurface, even though just some roles used it, and before 'wayland: Untie MetaWindowXwayland lifetime from the wl_surface' had equivalent life times as well. But since that commit, the management changed. To not have the same fied in MetaWaylandSurface being managed in such drastically different ways, rearrange it so that the roles that has a MetaWindow themself manages it in the way it is meant to; meaning MetaWaylandShellSurface practically owns it, while with Xwayland, the existance of a MetaWindow is tracked via X11. https://gitlab.gnome.org/GNOME/mutter/merge_requests/835
380 lines
14 KiB
C
380 lines
14 KiB
C
/*
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* Copyright (C) 2013 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef META_WAYLAND_SURFACE_H
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#define META_WAYLAND_SURFACE_H
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#include <cairo.h>
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#include <glib.h>
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#include <wayland-server.h>
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#include <xkbcommon/xkbcommon.h>
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#include "backends/meta-monitor-manager-private.h"
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#include "clutter/clutter.h"
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#include "compositor/meta-shaped-texture-private.h"
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#include "compositor/meta-surface-actor.h"
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#include "meta/meta-cursor-tracker.h"
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#include "wayland/meta-wayland-pointer-constraints.h"
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#include "wayland/meta-wayland-types.h"
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#define META_TYPE_WAYLAND_SURFACE (meta_wayland_surface_get_type ())
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G_DECLARE_FINAL_TYPE (MetaWaylandSurface,
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meta_wayland_surface,
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META, WAYLAND_SURFACE,
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GObject);
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#define META_TYPE_WAYLAND_SURFACE_ROLE (meta_wayland_surface_role_get_type ())
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G_DECLARE_DERIVABLE_TYPE (MetaWaylandSurfaceRole, meta_wayland_surface_role,
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META, WAYLAND_SURFACE_ROLE, GObject);
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#define META_TYPE_WAYLAND_SURFACE_STATE (meta_wayland_surface_state_get_type ())
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G_DECLARE_FINAL_TYPE (MetaWaylandSurfaceState,
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meta_wayland_surface_state,
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META, WAYLAND_SURFACE_STATE,
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GObject)
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struct _MetaWaylandSurfaceRoleClass
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{
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GObjectClass parent_class;
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void (*assigned) (MetaWaylandSurfaceRole *surface_role);
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void (*pre_apply_state) (MetaWaylandSurfaceRole *surface_role,
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MetaWaylandSurfaceState *pending);
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void (*apply_state) (MetaWaylandSurfaceRole *surface_role,
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MetaWaylandSurfaceState *pending);
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gboolean (*is_on_logical_monitor) (MetaWaylandSurfaceRole *surface_role,
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MetaLogicalMonitor *logical_monitor);
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MetaWaylandSurface * (*get_toplevel) (MetaWaylandSurfaceRole *surface_role);
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gboolean (*should_cache_state) (MetaWaylandSurfaceRole *surface_role);
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void (*notify_subsurface_state_changed) (MetaWaylandSurfaceRole *surface_role);
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void (*get_relative_coordinates) (MetaWaylandSurfaceRole *surface_role,
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float abs_x,
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float abs_y,
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float *out_sx,
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float *out_sy);
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MetaWindow * (*get_window) (MetaWaylandSurfaceRole *surface_role);
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};
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struct _MetaWaylandSurfaceState
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{
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GObject parent;
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/* wl_surface.attach */
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gboolean newly_attached;
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MetaWaylandBuffer *buffer;
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gulong buffer_destroy_handler_id;
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int32_t dx;
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int32_t dy;
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int scale;
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/* wl_surface.damage */
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cairo_region_t *surface_damage;
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/* wl_surface.damage_buffer */
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cairo_region_t *buffer_damage;
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cairo_region_t *input_region;
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gboolean input_region_set;
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cairo_region_t *opaque_region;
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gboolean opaque_region_set;
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/* wl_surface.frame */
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struct wl_list frame_callback_list;
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MetaRectangle new_geometry;
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gboolean has_new_geometry;
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gboolean has_acked_configure_serial;
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uint32_t acked_configure_serial;
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/* pending min/max size in window geometry coordinates */
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gboolean has_new_min_size;
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int new_min_width;
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int new_min_height;
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gboolean has_new_max_size;
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int new_max_width;
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int new_max_height;
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gboolean has_new_buffer_transform;
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MetaMonitorTransform buffer_transform;
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gboolean has_new_viewport_src_rect;
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graphene_rect_t viewport_src_rect;
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gboolean has_new_viewport_dst_size;
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int viewport_dst_width;
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int viewport_dst_height;
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};
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struct _MetaWaylandDragDestFuncs
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{
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void (* focus_in) (MetaWaylandDataDevice *data_device,
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MetaWaylandSurface *surface,
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MetaWaylandDataOffer *offer);
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void (* focus_out) (MetaWaylandDataDevice *data_device,
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MetaWaylandSurface *surface);
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void (* motion) (MetaWaylandDataDevice *data_device,
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MetaWaylandSurface *surface,
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const ClutterEvent *event);
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void (* drop) (MetaWaylandDataDevice *data_device,
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MetaWaylandSurface *surface);
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void (* update) (MetaWaylandDataDevice *data_device,
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MetaWaylandSurface *surface);
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};
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struct _MetaWaylandSurface
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{
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GObject parent;
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/* Generic stuff */
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struct wl_resource *resource;
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MetaWaylandCompositor *compositor;
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MetaWaylandSurfaceRole *role;
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cairo_region_t *input_region;
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cairo_region_t *opaque_region;
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int scale;
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int32_t offset_x, offset_y;
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GNode *subsurface_branch_node;
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GNode *subsurface_leaf_node;
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GHashTable *outputs_to_destroy_notify_id;
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MetaMonitorTransform buffer_transform;
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CoglTexture *texture;
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/* Buffer reference state. */
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struct {
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MetaWaylandBuffer *buffer;
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unsigned int use_count;
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} buffer_ref;
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/* Buffer renderer state. */
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gboolean buffer_held;
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/* List of pending frame callbacks that needs to stay queued longer than one
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* commit sequence, such as when it has not yet been assigned a role.
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*/
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struct wl_list pending_frame_callback_list;
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/* Intermediate state for when no role has been assigned. */
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struct {
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MetaWaylandBuffer *buffer;
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} unassigned;
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struct {
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const MetaWaylandDragDestFuncs *funcs;
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} dnd;
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/* All the pending state that wl_surface.commit will apply. */
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MetaWaylandSurfaceState *pending_state;
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/* State cached due to inter-surface synchronization such. */
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MetaWaylandSurfaceState *cached_state;
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/* Extension resources. */
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struct wl_resource *wl_subsurface;
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/* wl_subsurface stuff. */
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struct {
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MetaWaylandSurface *parent;
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struct wl_listener parent_destroy_listener;
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int x;
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int y;
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/* When the surface is synchronous, its state will be applied
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* when the parent is committed. This is done by moving the
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* "real" pending state below to here when this surface is
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* committed and in synchronous mode.
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*
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* When the parent surface is committed, we apply the pending
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* state here.
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*/
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gboolean synchronous;
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int32_t pending_x;
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int32_t pending_y;
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gboolean pending_pos;
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GSList *pending_placement_ops;
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} sub;
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/* wp_viewport */
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struct {
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struct wl_resource *resource;
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gulong destroy_handler_id;
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gboolean has_src_rect;
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graphene_rect_t src_rect;
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gboolean has_dst_size;
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int dst_width;
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int dst_height;
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} viewport;
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/* table of seats for which shortcuts are inhibited */
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GHashTable *shortcut_inhibited_seats;
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};
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void meta_wayland_shell_init (MetaWaylandCompositor *compositor);
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MetaWaylandSurface *meta_wayland_surface_create (MetaWaylandCompositor *compositor,
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struct wl_client *client,
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struct wl_resource *compositor_resource,
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guint32 id);
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MetaWaylandSurfaceState *
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meta_wayland_surface_get_pending_state (MetaWaylandSurface *surface);
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MetaWaylandSurfaceState *
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meta_wayland_surface_ensure_cached_state (MetaWaylandSurface *surface);
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void meta_wayland_surface_apply_cached_state (MetaWaylandSurface *surface);
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gboolean meta_wayland_surface_is_effectively_synchronized (MetaWaylandSurface *surface);
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gboolean meta_wayland_surface_assign_role (MetaWaylandSurface *surface,
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GType role_type,
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const char *first_property_name,
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...);
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MetaWaylandBuffer *meta_wayland_surface_get_buffer (MetaWaylandSurface *surface);
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void meta_wayland_surface_ref_buffer_use_count (MetaWaylandSurface *surface);
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void meta_wayland_surface_unref_buffer_use_count (MetaWaylandSurface *surface);
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void meta_wayland_surface_set_window (MetaWaylandSurface *surface,
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MetaWindow *window);
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void meta_wayland_surface_configure_notify (MetaWaylandSurface *surface,
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MetaWaylandWindowConfiguration *configuration);
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void meta_wayland_surface_ping (MetaWaylandSurface *surface,
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guint32 serial);
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void meta_wayland_surface_delete (MetaWaylandSurface *surface);
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/* Drag dest functions */
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void meta_wayland_surface_drag_dest_focus_in (MetaWaylandSurface *surface,
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MetaWaylandDataOffer *offer);
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void meta_wayland_surface_drag_dest_motion (MetaWaylandSurface *surface,
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const ClutterEvent *event);
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void meta_wayland_surface_drag_dest_focus_out (MetaWaylandSurface *surface);
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void meta_wayland_surface_drag_dest_drop (MetaWaylandSurface *surface);
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void meta_wayland_surface_drag_dest_update (MetaWaylandSurface *surface);
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void meta_wayland_surface_update_outputs (MetaWaylandSurface *surface);
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MetaWaylandSurface *meta_wayland_surface_get_toplevel (MetaWaylandSurface *surface);
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MetaWindow * meta_wayland_surface_get_window (MetaWaylandSurface *surface);
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gboolean meta_wayland_surface_should_cache_state (MetaWaylandSurface *surface);
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MetaWindow * meta_wayland_surface_get_toplevel_window (MetaWaylandSurface *surface);
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void meta_wayland_surface_cache_pending_frame_callbacks (MetaWaylandSurface *surface,
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MetaWaylandSurfaceState *pending);
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void meta_wayland_surface_queue_pending_frame_callbacks (MetaWaylandSurface *surface);
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void meta_wayland_surface_queue_pending_state_frame_callbacks (MetaWaylandSurface *surface,
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MetaWaylandSurfaceState *pending);
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void meta_wayland_surface_get_relative_coordinates (MetaWaylandSurface *surface,
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float abs_x,
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float abs_y,
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float *sx,
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float *sy);
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void meta_wayland_surface_get_absolute_coordinates (MetaWaylandSurface *surface,
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float sx,
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float sy,
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float *x,
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float *y);
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MetaWaylandSurface * meta_wayland_surface_role_get_surface (MetaWaylandSurfaceRole *role);
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cairo_region_t * meta_wayland_surface_calculate_input_region (MetaWaylandSurface *surface);
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gboolean meta_wayland_surface_begin_grab_op (MetaWaylandSurface *surface,
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MetaWaylandSeat *seat,
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MetaGrabOp grab_op,
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gfloat x,
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gfloat y);
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void meta_wayland_surface_window_managed (MetaWaylandSurface *surface,
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MetaWindow *window);
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void meta_wayland_surface_inhibit_shortcuts (MetaWaylandSurface *surface,
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MetaWaylandSeat *seat);
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void meta_wayland_surface_restore_shortcuts (MetaWaylandSurface *surface,
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MetaWaylandSeat *seat);
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gboolean meta_wayland_surface_is_shortcuts_inhibited (MetaWaylandSurface *surface,
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MetaWaylandSeat *seat);
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CoglTexture * meta_wayland_surface_get_texture (MetaWaylandSurface *surface);
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MetaSurfaceActor * meta_wayland_surface_get_actor (MetaWaylandSurface *surface);
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void meta_wayland_surface_notify_geometry_changed (MetaWaylandSurface *surface);
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void meta_wayland_surface_notify_subsurface_state_changed (MetaWaylandSurface *surface);
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void meta_wayland_surface_notify_unmapped (MetaWaylandSurface *surface);
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void meta_wayland_surface_update_outputs_recursively (MetaWaylandSurface *surface);
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int meta_wayland_surface_get_width (MetaWaylandSurface *surface);
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int meta_wayland_surface_get_height (MetaWaylandSurface *surface);
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static inline GNode *
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meta_get_next_subsurface_sibling (GNode *n)
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{
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GNode *next;
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if (!n)
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return NULL;
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next = g_node_next_sibling (n);
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if (!next)
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return NULL;
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if (!G_NODE_IS_LEAF (next))
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return next;
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else
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return meta_get_next_subsurface_sibling (next);
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}
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static inline GNode *
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meta_get_first_subsurface_node (MetaWaylandSurface *surface)
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{
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GNode *n;
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n = g_node_first_child (surface->subsurface_branch_node);
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if (!G_NODE_IS_LEAF (n))
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return n;
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else
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return meta_get_next_subsurface_sibling (n);
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}
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#define META_WAYLAND_SURFACE_FOREACH_SUBSURFACE(surface, subsurface) \
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for (GNode *G_PASTE(__n, __LINE__) = meta_get_first_subsurface_node ((surface)); \
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(subsurface = (G_PASTE (__n, __LINE__) ? G_PASTE (__n, __LINE__)->data : NULL)); \
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G_PASTE (__n, __LINE__) = meta_get_next_subsurface_sibling (G_PASTE (__n, __LINE__)))
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#endif
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