2f4a68c8c3
The order and way include macros were structured was chaotic, with no real common thread between files. Try to tidy up the mess with some common scheme, to make things look less messy.
382 lines
13 KiB
C
382 lines
13 KiB
C
/*
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* Wayland Support
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*
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* Copyright (C) 2015 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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#include "config.h"
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#include "wayland/meta-wayland-cursor-surface.h"
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#include "backends/meta-backend-private.h"
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#include "backends/meta-logical-monitor.h"
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#include "cogl/cogl-wayland-server.h"
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#include "cogl/cogl.h"
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#include "core/boxes-private.h"
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#include "wayland/meta-cursor-sprite-wayland.h"
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#include "wayland/meta-wayland-buffer.h"
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#include "wayland/meta-wayland-private.h"
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#include "wayland/meta-xwayland.h"
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typedef struct _MetaWaylandCursorSurfacePrivate MetaWaylandCursorSurfacePrivate;
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struct _MetaWaylandCursorSurfacePrivate
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{
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int hot_x;
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int hot_y;
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MetaCursorSpriteWayland *cursor_sprite;
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MetaCursorRenderer *cursor_renderer;
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MetaWaylandBuffer *buffer;
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struct wl_list frame_callbacks;
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gulong cursor_painted_handler_id;
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};
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G_DEFINE_TYPE_WITH_PRIVATE (MetaWaylandCursorSurface,
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meta_wayland_cursor_surface,
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META_TYPE_WAYLAND_SURFACE_ROLE)
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static void
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update_cursor_sprite_texture (MetaWaylandCursorSurface *cursor_surface)
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{
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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MetaWaylandSurface *surface =
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meta_wayland_surface_role_get_surface (META_WAYLAND_SURFACE_ROLE (cursor_surface));
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MetaWaylandBuffer *buffer = meta_wayland_surface_get_buffer (surface);
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MetaCursorSprite *cursor_sprite = META_CURSOR_SPRITE (priv->cursor_sprite);
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g_return_if_fail (!buffer || buffer->texture);
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if (!priv->cursor_renderer)
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return;
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if (buffer)
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{
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meta_cursor_sprite_set_texture (cursor_sprite,
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buffer->texture,
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priv->hot_x * surface->scale,
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priv->hot_y * surface->scale);
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}
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else
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{
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meta_cursor_sprite_set_texture (cursor_sprite, NULL, 0, 0);
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}
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meta_cursor_renderer_force_update (priv->cursor_renderer);
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}
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static void
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cursor_sprite_prepare_at (MetaCursorSprite *cursor_sprite,
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int x,
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int y,
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MetaWaylandCursorSurface *cursor_surface)
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{
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MetaWaylandSurfaceRole *role = META_WAYLAND_SURFACE_ROLE (cursor_surface);
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MetaWaylandSurface *surface = meta_wayland_surface_role_get_surface (role);
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if (!meta_xwayland_is_xwayland_surface (surface))
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{
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MetaBackend *backend = meta_get_backend ();
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MetaMonitorManager *monitor_manager =
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meta_backend_get_monitor_manager (backend);
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MetaLogicalMonitor *logical_monitor;
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logical_monitor =
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meta_monitor_manager_get_logical_monitor_at (monitor_manager, x, y);
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if (logical_monitor)
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{
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float texture_scale;
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if (meta_is_stage_views_scaled ())
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texture_scale = 1.0 / surface->scale;
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else
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texture_scale = (meta_logical_monitor_get_scale (logical_monitor) /
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surface->scale);
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meta_cursor_sprite_set_texture_scale (cursor_sprite, texture_scale);
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}
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}
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meta_wayland_surface_update_outputs (surface);
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}
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static void
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meta_wayland_cursor_surface_assigned (MetaWaylandSurfaceRole *surface_role)
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{
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MetaWaylandSurface *surface =
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meta_wayland_surface_role_get_surface (surface_role);
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MetaWaylandCursorSurface *cursor_surface =
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META_WAYLAND_CURSOR_SURFACE (surface_role);
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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wl_list_insert_list (&priv->frame_callbacks,
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&surface->pending_frame_callback_list);
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wl_list_init (&surface->pending_frame_callback_list);
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}
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static void
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meta_wayland_cursor_surface_pre_commit (MetaWaylandSurfaceRole *surface_role,
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MetaWaylandPendingState *pending)
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{
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MetaWaylandCursorSurface *cursor_surface =
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META_WAYLAND_CURSOR_SURFACE (surface_role);
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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MetaWaylandSurface *surface =
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meta_wayland_surface_role_get_surface (surface_role);
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if (pending->newly_attached && priv->buffer)
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{
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meta_wayland_surface_unref_buffer_use_count (surface);
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g_clear_object (&priv->buffer);
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}
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}
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static void
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meta_wayland_cursor_surface_commit (MetaWaylandSurfaceRole *surface_role,
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MetaWaylandPendingState *pending)
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{
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MetaWaylandCursorSurface *cursor_surface =
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META_WAYLAND_CURSOR_SURFACE (surface_role);
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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MetaWaylandSurface *surface =
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meta_wayland_surface_role_get_surface (surface_role);
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MetaWaylandBuffer *buffer = meta_wayland_surface_get_buffer (surface);
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if (pending->newly_attached)
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{
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g_set_object (&priv->buffer, buffer);
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if (priv->buffer)
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meta_wayland_surface_ref_buffer_use_count (surface);
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}
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wl_list_insert_list (&priv->frame_callbacks,
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&pending->frame_callback_list);
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wl_list_init (&pending->frame_callback_list);
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if (pending->newly_attached)
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update_cursor_sprite_texture (META_WAYLAND_CURSOR_SURFACE (surface_role));
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}
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static gboolean
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meta_wayland_cursor_surface_is_on_logical_monitor (MetaWaylandSurfaceRole *role,
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MetaLogicalMonitor *logical_monitor)
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{
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MetaWaylandSurface *surface =
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meta_wayland_surface_role_get_surface (role);
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MetaWaylandCursorSurface *cursor_surface =
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META_WAYLAND_CURSOR_SURFACE (surface->role);
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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ClutterPoint point;
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ClutterRect logical_monitor_rect;
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logical_monitor_rect =
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meta_rectangle_to_clutter_rect (&logical_monitor->rect);
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point = meta_cursor_renderer_get_position (priv->cursor_renderer);
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return clutter_rect_contains_point (&logical_monitor_rect, &point);
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}
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static void
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meta_wayland_cursor_surface_dispose (GObject *object)
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{
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MetaWaylandCursorSurface *cursor_surface =
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META_WAYLAND_CURSOR_SURFACE (object);
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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MetaWaylandSurface *surface =
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meta_wayland_surface_role_get_surface (META_WAYLAND_SURFACE_ROLE (object));
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MetaWaylandFrameCallback *cb, *next;
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wl_list_for_each_safe (cb, next, &priv->frame_callbacks, link)
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wl_resource_destroy (cb->resource);
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g_signal_handlers_disconnect_by_func (priv->cursor_sprite,
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cursor_sprite_prepare_at, cursor_surface);
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g_clear_object (&priv->cursor_renderer);
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g_clear_object (&priv->cursor_sprite);
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if (priv->buffer)
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{
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meta_wayland_surface_unref_buffer_use_count (surface);
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g_clear_object (&priv->buffer);
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}
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G_OBJECT_CLASS (meta_wayland_cursor_surface_parent_class)->dispose (object);
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}
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static void
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meta_wayland_cursor_surface_constructed (GObject *object)
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{
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MetaWaylandCursorSurface *cursor_surface =
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META_WAYLAND_CURSOR_SURFACE (object);
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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MetaWaylandSurfaceRole *surface_role =
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META_WAYLAND_SURFACE_ROLE (cursor_surface);
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MetaWaylandSurface *surface =
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meta_wayland_surface_role_get_surface (surface_role);
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MetaWaylandBuffer *buffer;
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buffer = meta_wayland_surface_get_buffer (surface);
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g_warn_if_fail (!buffer || buffer->resource);
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if (buffer && buffer->resource)
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{
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g_set_object (&priv->buffer, buffer);
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meta_wayland_surface_ref_buffer_use_count (surface);
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}
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priv->cursor_sprite = meta_cursor_sprite_wayland_new (surface);
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g_signal_connect_object (priv->cursor_sprite,
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"prepare-at",
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G_CALLBACK (cursor_sprite_prepare_at),
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cursor_surface,
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0);
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}
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static void
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meta_wayland_cursor_surface_init (MetaWaylandCursorSurface *role)
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{
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (role);
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wl_list_init (&priv->frame_callbacks);
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}
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static void
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meta_wayland_cursor_surface_class_init (MetaWaylandCursorSurfaceClass *klass)
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{
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MetaWaylandSurfaceRoleClass *surface_role_class =
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META_WAYLAND_SURFACE_ROLE_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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surface_role_class->assigned = meta_wayland_cursor_surface_assigned;
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surface_role_class->pre_commit = meta_wayland_cursor_surface_pre_commit;
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surface_role_class->commit = meta_wayland_cursor_surface_commit;
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surface_role_class->is_on_logical_monitor =
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meta_wayland_cursor_surface_is_on_logical_monitor;
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object_class->constructed = meta_wayland_cursor_surface_constructed;
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object_class->dispose = meta_wayland_cursor_surface_dispose;
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}
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MetaCursorSprite *
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meta_wayland_cursor_surface_get_sprite (MetaWaylandCursorSurface *cursor_surface)
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{
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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return META_CURSOR_SPRITE (priv->cursor_sprite);
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}
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void
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meta_wayland_cursor_surface_set_hotspot (MetaWaylandCursorSurface *cursor_surface,
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int hotspot_x,
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int hotspot_y)
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{
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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if (priv->hot_x == hotspot_x &&
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priv->hot_y == hotspot_y)
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return;
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priv->hot_x = hotspot_x;
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priv->hot_y = hotspot_y;
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update_cursor_sprite_texture (cursor_surface);
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}
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void
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meta_wayland_cursor_surface_get_hotspot (MetaWaylandCursorSurface *cursor_surface,
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int *hotspot_x,
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int *hotspot_y)
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{
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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if (hotspot_x)
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*hotspot_x = priv->hot_x;
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if (hotspot_y)
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*hotspot_y = priv->hot_y;
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}
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static void
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on_cursor_painted (MetaCursorRenderer *renderer,
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MetaCursorSprite *displayed_sprite,
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MetaWaylandCursorSurface *cursor_surface)
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{
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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guint32 time = (guint32) (g_get_monotonic_time () / 1000);
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if (displayed_sprite != META_CURSOR_SPRITE (priv->cursor_sprite))
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return;
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while (!wl_list_empty (&priv->frame_callbacks))
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{
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MetaWaylandFrameCallback *callback =
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wl_container_of (priv->frame_callbacks.next, callback, link);
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wl_callback_send_done (callback->resource, time);
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wl_resource_destroy (callback->resource);
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}
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}
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void
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meta_wayland_cursor_surface_set_renderer (MetaWaylandCursorSurface *cursor_surface,
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MetaCursorRenderer *renderer)
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{
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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if (priv->cursor_renderer == renderer)
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return;
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if (priv->cursor_renderer)
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{
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g_signal_handler_disconnect (priv->cursor_renderer,
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priv->cursor_painted_handler_id);
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priv->cursor_painted_handler_id = 0;
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g_object_unref (priv->cursor_renderer);
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}
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if (renderer)
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{
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priv->cursor_painted_handler_id =
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g_signal_connect_object (renderer, "cursor-painted",
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G_CALLBACK (on_cursor_painted), cursor_surface, 0);
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g_object_ref (renderer);
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}
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priv->cursor_renderer = renderer;
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update_cursor_sprite_texture (cursor_surface);
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}
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MetaCursorRenderer *
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meta_wayland_cursor_surface_get_renderer (MetaWaylandCursorSurface *cursor_surface)
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{
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MetaWaylandCursorSurfacePrivate *priv =
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meta_wayland_cursor_surface_get_instance_private (cursor_surface);
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return priv->cursor_renderer;
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}
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