mutter/src/wayland/meta-wayland-cursor-surface.c
Jonas Ådahl 2f4a68c8c3 Clean up include macros mess
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.
2018-11-06 17:17:36 +01:00

383 lines
13 KiB
C

/*
* Wayland Support
*
* Copyright (C) 2015 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "config.h"
#include "wayland/meta-wayland-cursor-surface.h"
#include "backends/meta-backend-private.h"
#include "backends/meta-logical-monitor.h"
#include "cogl/cogl-wayland-server.h"
#include "cogl/cogl.h"
#include "core/boxes-private.h"
#include "wayland/meta-cursor-sprite-wayland.h"
#include "wayland/meta-wayland-buffer.h"
#include "wayland/meta-wayland-private.h"
#include "wayland/meta-xwayland.h"
typedef struct _MetaWaylandCursorSurfacePrivate MetaWaylandCursorSurfacePrivate;
struct _MetaWaylandCursorSurfacePrivate
{
int hot_x;
int hot_y;
MetaCursorSpriteWayland *cursor_sprite;
MetaCursorRenderer *cursor_renderer;
MetaWaylandBuffer *buffer;
struct wl_list frame_callbacks;
gulong cursor_painted_handler_id;
};
G_DEFINE_TYPE_WITH_PRIVATE (MetaWaylandCursorSurface,
meta_wayland_cursor_surface,
META_TYPE_WAYLAND_SURFACE_ROLE)
static void
update_cursor_sprite_texture (MetaWaylandCursorSurface *cursor_surface)
{
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (META_WAYLAND_SURFACE_ROLE (cursor_surface));
MetaWaylandBuffer *buffer = meta_wayland_surface_get_buffer (surface);
MetaCursorSprite *cursor_sprite = META_CURSOR_SPRITE (priv->cursor_sprite);
g_return_if_fail (!buffer || buffer->texture);
if (!priv->cursor_renderer)
return;
if (buffer)
{
meta_cursor_sprite_set_texture (cursor_sprite,
buffer->texture,
priv->hot_x * surface->scale,
priv->hot_y * surface->scale);
}
else
{
meta_cursor_sprite_set_texture (cursor_sprite, NULL, 0, 0);
}
meta_cursor_renderer_force_update (priv->cursor_renderer);
}
static void
cursor_sprite_prepare_at (MetaCursorSprite *cursor_sprite,
int x,
int y,
MetaWaylandCursorSurface *cursor_surface)
{
MetaWaylandSurfaceRole *role = META_WAYLAND_SURFACE_ROLE (cursor_surface);
MetaWaylandSurface *surface = meta_wayland_surface_role_get_surface (role);
if (!meta_xwayland_is_xwayland_surface (surface))
{
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaLogicalMonitor *logical_monitor;
logical_monitor =
meta_monitor_manager_get_logical_monitor_at (monitor_manager, x, y);
if (logical_monitor)
{
float texture_scale;
if (meta_is_stage_views_scaled ())
texture_scale = 1.0 / surface->scale;
else
texture_scale = (meta_logical_monitor_get_scale (logical_monitor) /
surface->scale);
meta_cursor_sprite_set_texture_scale (cursor_sprite, texture_scale);
}
}
meta_wayland_surface_update_outputs (surface);
}
static void
meta_wayland_cursor_surface_assigned (MetaWaylandSurfaceRole *surface_role)
{
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (surface_role);
MetaWaylandCursorSurface *cursor_surface =
META_WAYLAND_CURSOR_SURFACE (surface_role);
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
wl_list_insert_list (&priv->frame_callbacks,
&surface->pending_frame_callback_list);
wl_list_init (&surface->pending_frame_callback_list);
}
static void
meta_wayland_cursor_surface_pre_commit (MetaWaylandSurfaceRole *surface_role,
MetaWaylandPendingState *pending)
{
MetaWaylandCursorSurface *cursor_surface =
META_WAYLAND_CURSOR_SURFACE (surface_role);
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (surface_role);
if (pending->newly_attached && priv->buffer)
{
meta_wayland_surface_unref_buffer_use_count (surface);
g_clear_object (&priv->buffer);
}
}
static void
meta_wayland_cursor_surface_commit (MetaWaylandSurfaceRole *surface_role,
MetaWaylandPendingState *pending)
{
MetaWaylandCursorSurface *cursor_surface =
META_WAYLAND_CURSOR_SURFACE (surface_role);
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (surface_role);
MetaWaylandBuffer *buffer = meta_wayland_surface_get_buffer (surface);
if (pending->newly_attached)
{
g_set_object (&priv->buffer, buffer);
if (priv->buffer)
meta_wayland_surface_ref_buffer_use_count (surface);
}
wl_list_insert_list (&priv->frame_callbacks,
&pending->frame_callback_list);
wl_list_init (&pending->frame_callback_list);
if (pending->newly_attached)
update_cursor_sprite_texture (META_WAYLAND_CURSOR_SURFACE (surface_role));
}
static gboolean
meta_wayland_cursor_surface_is_on_logical_monitor (MetaWaylandSurfaceRole *role,
MetaLogicalMonitor *logical_monitor)
{
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (role);
MetaWaylandCursorSurface *cursor_surface =
META_WAYLAND_CURSOR_SURFACE (surface->role);
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
ClutterPoint point;
ClutterRect logical_monitor_rect;
logical_monitor_rect =
meta_rectangle_to_clutter_rect (&logical_monitor->rect);
point = meta_cursor_renderer_get_position (priv->cursor_renderer);
return clutter_rect_contains_point (&logical_monitor_rect, &point);
}
static void
meta_wayland_cursor_surface_dispose (GObject *object)
{
MetaWaylandCursorSurface *cursor_surface =
META_WAYLAND_CURSOR_SURFACE (object);
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (META_WAYLAND_SURFACE_ROLE (object));
MetaWaylandFrameCallback *cb, *next;
wl_list_for_each_safe (cb, next, &priv->frame_callbacks, link)
wl_resource_destroy (cb->resource);
g_signal_handlers_disconnect_by_func (priv->cursor_sprite,
cursor_sprite_prepare_at, cursor_surface);
g_clear_object (&priv->cursor_renderer);
g_clear_object (&priv->cursor_sprite);
if (priv->buffer)
{
meta_wayland_surface_unref_buffer_use_count (surface);
g_clear_object (&priv->buffer);
}
G_OBJECT_CLASS (meta_wayland_cursor_surface_parent_class)->dispose (object);
}
static void
meta_wayland_cursor_surface_constructed (GObject *object)
{
MetaWaylandCursorSurface *cursor_surface =
META_WAYLAND_CURSOR_SURFACE (object);
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
MetaWaylandSurfaceRole *surface_role =
META_WAYLAND_SURFACE_ROLE (cursor_surface);
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (surface_role);
MetaWaylandBuffer *buffer;
buffer = meta_wayland_surface_get_buffer (surface);
g_warn_if_fail (!buffer || buffer->resource);
if (buffer && buffer->resource)
{
g_set_object (&priv->buffer, buffer);
meta_wayland_surface_ref_buffer_use_count (surface);
}
priv->cursor_sprite = meta_cursor_sprite_wayland_new (surface);
g_signal_connect_object (priv->cursor_sprite,
"prepare-at",
G_CALLBACK (cursor_sprite_prepare_at),
cursor_surface,
0);
}
static void
meta_wayland_cursor_surface_init (MetaWaylandCursorSurface *role)
{
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (role);
wl_list_init (&priv->frame_callbacks);
}
static void
meta_wayland_cursor_surface_class_init (MetaWaylandCursorSurfaceClass *klass)
{
MetaWaylandSurfaceRoleClass *surface_role_class =
META_WAYLAND_SURFACE_ROLE_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
surface_role_class->assigned = meta_wayland_cursor_surface_assigned;
surface_role_class->pre_commit = meta_wayland_cursor_surface_pre_commit;
surface_role_class->commit = meta_wayland_cursor_surface_commit;
surface_role_class->is_on_logical_monitor =
meta_wayland_cursor_surface_is_on_logical_monitor;
object_class->constructed = meta_wayland_cursor_surface_constructed;
object_class->dispose = meta_wayland_cursor_surface_dispose;
}
MetaCursorSprite *
meta_wayland_cursor_surface_get_sprite (MetaWaylandCursorSurface *cursor_surface)
{
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
return META_CURSOR_SPRITE (priv->cursor_sprite);
}
void
meta_wayland_cursor_surface_set_hotspot (MetaWaylandCursorSurface *cursor_surface,
int hotspot_x,
int hotspot_y)
{
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
if (priv->hot_x == hotspot_x &&
priv->hot_y == hotspot_y)
return;
priv->hot_x = hotspot_x;
priv->hot_y = hotspot_y;
update_cursor_sprite_texture (cursor_surface);
}
void
meta_wayland_cursor_surface_get_hotspot (MetaWaylandCursorSurface *cursor_surface,
int *hotspot_x,
int *hotspot_y)
{
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
if (hotspot_x)
*hotspot_x = priv->hot_x;
if (hotspot_y)
*hotspot_y = priv->hot_y;
}
static void
on_cursor_painted (MetaCursorRenderer *renderer,
MetaCursorSprite *displayed_sprite,
MetaWaylandCursorSurface *cursor_surface)
{
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
guint32 time = (guint32) (g_get_monotonic_time () / 1000);
if (displayed_sprite != META_CURSOR_SPRITE (priv->cursor_sprite))
return;
while (!wl_list_empty (&priv->frame_callbacks))
{
MetaWaylandFrameCallback *callback =
wl_container_of (priv->frame_callbacks.next, callback, link);
wl_callback_send_done (callback->resource, time);
wl_resource_destroy (callback->resource);
}
}
void
meta_wayland_cursor_surface_set_renderer (MetaWaylandCursorSurface *cursor_surface,
MetaCursorRenderer *renderer)
{
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
if (priv->cursor_renderer == renderer)
return;
if (priv->cursor_renderer)
{
g_signal_handler_disconnect (priv->cursor_renderer,
priv->cursor_painted_handler_id);
priv->cursor_painted_handler_id = 0;
g_object_unref (priv->cursor_renderer);
}
if (renderer)
{
priv->cursor_painted_handler_id =
g_signal_connect_object (renderer, "cursor-painted",
G_CALLBACK (on_cursor_painted), cursor_surface, 0);
g_object_ref (renderer);
}
priv->cursor_renderer = renderer;
update_cursor_sprite_texture (cursor_surface);
}
MetaCursorRenderer *
meta_wayland_cursor_surface_get_renderer (MetaWaylandCursorSurface *cursor_surface)
{
MetaWaylandCursorSurfacePrivate *priv =
meta_wayland_cursor_surface_get_instance_private (cursor_surface);
return priv->cursor_renderer;
}