/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright 2013 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, see .
*
* Author: Giovanni Campagna
*/
#include "config.h"
#include "backends/meta-cursor.h"
#include "backends/meta-backend-private.h"
#include "backends/meta-cursor-tracker-private.h"
#include "cogl/cogl.h"
#include "meta/common.h"
enum
{
PROP_0,
PROP_CURSOR_TRACKER,
N_PROPS
};
static GParamSpec *obj_props[N_PROPS];
enum
{
TEXTURE_CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
typedef struct _MetaCursorSpritePrivate
{
GObject parent;
CoglTexture2D *texture;
float texture_scale;
MetaMonitorTransform texture_transform;
int hot_x, hot_y;
MetaCursorPrepareFunc prepare_func;
gpointer prepare_func_data;
MetaCursorTracker *cursor_tracker;
} MetaCursorSpritePrivate;
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (MetaCursorSprite,
meta_cursor_sprite,
G_TYPE_OBJECT)
gboolean
meta_cursor_sprite_is_animated (MetaCursorSprite *sprite)
{
MetaCursorSpriteClass *klass = META_CURSOR_SPRITE_GET_CLASS (sprite);
if (klass->is_animated)
return klass->is_animated (sprite);
else
return FALSE;
}
void
meta_cursor_sprite_tick_frame (MetaCursorSprite *sprite)
{
return META_CURSOR_SPRITE_GET_CLASS (sprite)->tick_frame (sprite);
}
unsigned int
meta_cursor_sprite_get_current_frame_time (MetaCursorSprite *sprite)
{
return META_CURSOR_SPRITE_GET_CLASS (sprite)->get_current_frame_time (sprite);
}
void
meta_cursor_sprite_clear_texture (MetaCursorSprite *sprite)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
g_clear_object (&priv->texture);
meta_cursor_sprite_invalidate (sprite);
}
void
meta_cursor_sprite_set_texture (MetaCursorSprite *sprite,
CoglTexture *texture,
int hot_x,
int hot_y)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
g_clear_object (&priv->texture);
if (texture)
priv->texture = g_object_ref (COGL_TEXTURE_2D (texture));
priv->hot_x = hot_x;
priv->hot_y = hot_y;
meta_cursor_sprite_invalidate (sprite);
g_signal_emit (sprite, signals[TEXTURE_CHANGED], 0);
}
void
meta_cursor_sprite_set_texture_scale (MetaCursorSprite *sprite,
float scale)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
if (priv->texture_scale != scale)
meta_cursor_sprite_invalidate (sprite);
priv->texture_scale = scale;
}
void
meta_cursor_sprite_set_texture_transform (MetaCursorSprite *sprite,
MetaMonitorTransform transform)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
if (priv->texture_transform != transform)
meta_cursor_sprite_invalidate (sprite);
priv->texture_transform = transform;
}
CoglTexture *
meta_cursor_sprite_get_cogl_texture (MetaCursorSprite *sprite)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
return COGL_TEXTURE (priv->texture);
}
void
meta_cursor_sprite_get_hotspot (MetaCursorSprite *sprite,
int *hot_x,
int *hot_y)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
*hot_x = priv->hot_x;
*hot_y = priv->hot_y;
}
int
meta_cursor_sprite_get_width (MetaCursorSprite *sprite)
{
CoglTexture *texture;
texture = meta_cursor_sprite_get_cogl_texture (sprite);
return cogl_texture_get_width (texture);
}
int
meta_cursor_sprite_get_height (MetaCursorSprite *sprite)
{
CoglTexture *texture;
texture = meta_cursor_sprite_get_cogl_texture (sprite);
return cogl_texture_get_height (texture);
}
float
meta_cursor_sprite_get_texture_scale (MetaCursorSprite *sprite)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
return priv->texture_scale;
}
MetaMonitorTransform
meta_cursor_sprite_get_texture_transform (MetaCursorSprite *sprite)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
return priv->texture_transform;
}
void
meta_cursor_sprite_set_prepare_func (MetaCursorSprite *sprite,
MetaCursorPrepareFunc func,
gpointer user_data)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
priv->prepare_func = func;
priv->prepare_func_data = user_data;
}
void
meta_cursor_sprite_prepare_at (MetaCursorSprite *sprite,
float best_scale,
int x,
int y)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
if (priv->prepare_func)
priv->prepare_func (sprite, best_scale, x, y, priv->prepare_func_data);
}
gboolean
meta_cursor_sprite_realize_texture (MetaCursorSprite *sprite)
{
return META_CURSOR_SPRITE_GET_CLASS (sprite)->realize_texture (sprite);
}
void
meta_cursor_sprite_invalidate (MetaCursorSprite *sprite)
{
MetaCursorSpriteClass *sprite_class = META_CURSOR_SPRITE_GET_CLASS (sprite);
if (sprite_class->invalidate)
sprite_class->invalidate (sprite);
}
static void
meta_cursor_sprite_init (MetaCursorSprite *sprite)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
priv->texture_scale = 1.0f;
priv->texture_transform = META_MONITOR_TRANSFORM_NORMAL;
}
static void
meta_cursor_sprite_constructed (GObject *object)
{
MetaCursorSprite *sprite = META_CURSOR_SPRITE (object);
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
g_assert (priv->cursor_tracker);
meta_cursor_tracker_register_cursor_sprite (priv->cursor_tracker, sprite);
g_clear_object (&priv->texture);
G_OBJECT_CLASS (meta_cursor_sprite_parent_class)->constructed (object);
}
static void
meta_cursor_sprite_finalize (GObject *object)
{
MetaCursorSprite *sprite = META_CURSOR_SPRITE (object);
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
g_clear_object (&priv->texture);
meta_cursor_tracker_unregister_cursor_sprite (priv->cursor_tracker, sprite);
g_clear_object (&priv->cursor_tracker);
G_OBJECT_CLASS (meta_cursor_sprite_parent_class)->finalize (object);
}
static void
meta_cursor_tracker_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MetaCursorSprite *sprite = META_CURSOR_SPRITE (object);
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
switch (prop_id)
{
case PROP_CURSOR_TRACKER:
g_set_object (&priv->cursor_tracker, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
meta_cursor_sprite_class_init (MetaCursorSpriteClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = meta_cursor_sprite_constructed;
object_class->finalize = meta_cursor_sprite_finalize;
object_class->set_property = meta_cursor_tracker_set_property;
obj_props[PROP_CURSOR_TRACKER] =
g_param_spec_object ("cursor-tracker", NULL, NULL,
META_TYPE_CURSOR_TRACKER,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, obj_props);
signals[TEXTURE_CHANGED] = g_signal_new ("texture-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
}