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mutter-performance-source/src/wayland/meta-wayland-surface-role-cursor.c
Jonas Ådahl 7a096b8686 wayland/cursor-role: Add back priv variable
Rebase of previous patch that removed the priv variable shouldn't have,
since it was now used by other things. Add it back so it compiles again.
2016-09-01 21:04:13 +08:00

370 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 <cogl/cogl.h>
#include <cogl/cogl-wayland-server.h>
#include "meta-wayland-surface-role-cursor.h"
#include "meta-wayland-buffer.h"
#include "meta-xwayland.h"
#include "screen-private.h"
#include "meta-wayland-private.h"
typedef struct _MetaWaylandSurfaceRoleCursorPrivate MetaWaylandSurfaceRoleCursorPrivate;
struct _MetaWaylandSurfaceRoleCursorPrivate
{
int hot_x;
int hot_y;
MetaCursorSprite *cursor_sprite;
MetaCursorRenderer *cursor_renderer;
MetaWaylandBuffer *buffer;
struct wl_list frame_callbacks;
gulong cursor_painted_handler_id;
};
G_DEFINE_TYPE_WITH_PRIVATE (MetaWaylandSurfaceRoleCursor,
meta_wayland_surface_role_cursor,
META_TYPE_WAYLAND_SURFACE_ROLE)
static void
update_cursor_sprite_texture (MetaWaylandSurfaceRoleCursor *cursor_role)
{
MetaWaylandSurfaceRoleCursorPrivate *priv = meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
MetaWaylandSurface *surface = meta_wayland_surface_role_get_surface (META_WAYLAND_SURFACE_ROLE (cursor_role));
MetaWaylandBuffer *buffer = meta_wayland_surface_get_buffer (surface);
MetaCursorSprite *cursor_sprite = priv->cursor_sprite;
g_return_if_fail (!buffer || buffer->texture);
if (!priv->cursor_renderer || !cursor_sprite)
return;
if (buffer)
{
meta_cursor_sprite_set_texture (cursor_sprite,
buffer->texture,
priv->hot_x * surface->scale,
priv->hot_y * surface->scale);
if (priv->buffer)
{
struct wl_resource *buffer_resource;
g_assert (priv->buffer == buffer);
buffer_resource = buffer->resource;
meta_cursor_renderer_realize_cursor_from_wl_buffer (priv->cursor_renderer,
cursor_sprite,
buffer_resource);
meta_wayland_surface_unref_buffer_use_count (surface);
g_clear_object (&priv->buffer);
}
}
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,
MetaWaylandSurfaceRoleCursor *cursor_role)
{
MetaWaylandSurfaceRole *role = META_WAYLAND_SURFACE_ROLE (cursor_role);
MetaWaylandSurface *surface = meta_wayland_surface_role_get_surface (role);
MetaDisplay *display = meta_get_display ();
MetaScreen *screen = display->screen;
const MetaMonitorInfo *monitor;
if (!meta_xwayland_is_xwayland_surface (surface))
{
monitor = meta_screen_get_monitor_for_point (screen, x, y);
if (monitor)
meta_cursor_sprite_set_texture_scale (cursor_sprite,
(float) monitor->scale / surface->scale);
}
meta_wayland_surface_update_outputs (surface);
}
static void
cursor_surface_role_assigned (MetaWaylandSurfaceRole *surface_role)
{
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (surface_role);
MetaWaylandSurfaceRoleCursor *cursor_role =
META_WAYLAND_SURFACE_ROLE_CURSOR (surface_role);
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
wl_list_insert_list (&priv->frame_callbacks,
&surface->pending_frame_callback_list);
wl_list_init (&surface->pending_frame_callback_list);
}
static void
cursor_surface_role_pre_commit (MetaWaylandSurfaceRole *surface_role,
MetaWaylandPendingState *pending)
{
MetaWaylandSurfaceRoleCursor *cursor_role =
META_WAYLAND_SURFACE_ROLE_CURSOR (surface_role);
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
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
cursor_surface_role_commit (MetaWaylandSurfaceRole *surface_role,
MetaWaylandPendingState *pending)
{
MetaWaylandSurfaceRoleCursor *cursor_role =
META_WAYLAND_SURFACE_ROLE_CURSOR (surface_role);
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
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_SURFACE_ROLE_CURSOR (surface_role));
}
static gboolean
cursor_surface_role_is_on_output (MetaWaylandSurfaceRole *role,
MetaMonitorInfo *monitor)
{
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (role);
MetaWaylandSurfaceRoleCursor *cursor_role =
META_WAYLAND_SURFACE_ROLE_CURSOR (surface->role);
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
MetaRectangle rect;
rect = meta_cursor_renderer_calculate_rect (priv->cursor_renderer,
priv->cursor_sprite);
return meta_rectangle_overlap (&rect, &monitor->rect);
}
static void
cursor_surface_role_dispose (GObject *object)
{
MetaWaylandSurfaceRoleCursor *cursor_role =
META_WAYLAND_SURFACE_ROLE_CURSOR (object);
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
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_role);
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_surface_role_cursor_parent_class)->dispose (object);
}
static void
cursor_surface_role_constructed (GObject *object)
{
MetaWaylandSurfaceRoleCursor *cursor_role =
META_WAYLAND_SURFACE_ROLE_CURSOR (object);
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
MetaWaylandSurfaceRole *surface_role =
META_WAYLAND_SURFACE_ROLE (cursor_role);
MetaWaylandSurface *surface =
meta_wayland_surface_role_get_surface (surface_role);
MetaWaylandBuffer *buffer;
buffer = meta_wayland_surface_get_buffer (surface);
if (buffer)
{
g_assert (buffer->resource);
g_set_object (&priv->buffer, buffer);
meta_wayland_surface_ref_buffer_use_count (surface);
}
}
static void
meta_wayland_surface_role_cursor_init (MetaWaylandSurfaceRoleCursor *role)
{
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (role);
priv->cursor_sprite = meta_cursor_sprite_new ();
g_signal_connect_object (priv->cursor_sprite,
"prepare-at",
G_CALLBACK (cursor_sprite_prepare_at),
role,
0);
wl_list_init (&priv->frame_callbacks);
}
static void
meta_wayland_surface_role_cursor_class_init (MetaWaylandSurfaceRoleCursorClass *klass)
{
MetaWaylandSurfaceRoleClass *surface_role_class =
META_WAYLAND_SURFACE_ROLE_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
surface_role_class->assigned = cursor_surface_role_assigned;
surface_role_class->pre_commit = cursor_surface_role_pre_commit;
surface_role_class->commit = cursor_surface_role_commit;
surface_role_class->is_on_output = cursor_surface_role_is_on_output;
object_class->constructed = cursor_surface_role_constructed;
object_class->dispose = cursor_surface_role_dispose;
}
MetaCursorSprite *
meta_wayland_surface_role_cursor_get_sprite (MetaWaylandSurfaceRoleCursor *cursor_role)
{
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
return priv->cursor_sprite;
}
void
meta_wayland_surface_role_cursor_set_hotspot (MetaWaylandSurfaceRoleCursor *cursor_role,
gint hotspot_x,
gint hotspot_y)
{
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
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_role);
}
void
meta_wayland_surface_role_cursor_get_hotspot (MetaWaylandSurfaceRoleCursor *cursor_role,
gint *hotspot_x,
gint *hotspot_y)
{
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
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,
MetaWaylandSurfaceRoleCursor *cursor_role)
{
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
guint32 time = (guint32) (g_get_monotonic_time () / 1000);
if (displayed_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_surface_role_cursor_set_renderer (MetaWaylandSurfaceRoleCursor *cursor_role,
MetaCursorRenderer *renderer)
{
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
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_role, 0);
g_object_ref (renderer);
}
priv->cursor_renderer = renderer;
update_cursor_sprite_texture (cursor_role);
}
MetaCursorRenderer *
meta_wayland_surface_role_cursor_get_renderer (MetaWaylandSurfaceRoleCursor *cursor_role)
{
MetaWaylandSurfaceRoleCursorPrivate *priv =
meta_wayland_surface_role_cursor_get_instance_private (cursor_role);
return priv->cursor_renderer;
}