mirror of
https://github.com/brl/mutter.git
synced 2024-11-26 18:11:05 -05:00
c2236bb72a
* clutter/clutter-alpha.c:
Remove stray g_debug.
* clutter/clutter-behaviour-rotate.c:
Register private class member.
* clutter/clutter-behaviour.c:
* clutter/clutter-behaviour.h:
Add applied and removed signals.
* Makefile.am:
* configure.ac:
* examples/Makefile.am:
* examples/README:
* examples/behave.c:
* examples/slider.c:
* examples/super-oh.c:
* examples/test-entry.c:
* examples/test-text.c:
* examples/test.c:
* tests/Makefile.am:
Remove examples, moving applicable code into tests.
538 lines
16 KiB
C
538 lines
16 KiB
C
/*
|
|
* Clutter.
|
|
*
|
|
* An OpenGL based 'interactive canvas' library.
|
|
*
|
|
* Authored By Matthew Allum <mallum@openedhand.com>
|
|
*
|
|
* Copyright (C) 2007 OpenedHand
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
/**
|
|
* SECTION:clutter-behaviour-rotate
|
|
* @short_description: A behaviour class to rotate actors
|
|
*
|
|
* A #ClutterBehaviourRotate rotate actors between a starting and ending
|
|
* angle on a given axis.
|
|
*
|
|
* The #ClutterBehaviourRotate is available since version 0.4.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "clutter-actor.h"
|
|
#include "clutter-behaviour.h"
|
|
#include "clutter-main.h"
|
|
#include "clutter-fixed.h"
|
|
#include "clutter-behaviour-rotate.h"
|
|
#include "clutter-enum-types.h"
|
|
#include "clutter-private.h"
|
|
#include "clutter-debug.h"
|
|
|
|
#include <math.h>
|
|
|
|
G_DEFINE_TYPE (ClutterBehaviourRotate,
|
|
clutter_behaviour_rotate,
|
|
CLUTTER_TYPE_BEHAVIOUR);
|
|
|
|
struct _ClutterBehaviourRotatePrivate
|
|
{
|
|
ClutterFixed angle_begin;
|
|
ClutterFixed angle_end;
|
|
|
|
ClutterRotateAxis axis;
|
|
ClutterRotateDirection direction;
|
|
};
|
|
|
|
#define CLUTTER_BEHAVIOUR_ROTATE_GET_PRIVATE(obj) \
|
|
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), \
|
|
CLUTTER_TYPE_BEHAVIOUR_ROTATE, \
|
|
ClutterBehaviourRotatePrivate))
|
|
|
|
enum
|
|
{
|
|
PROP_0,
|
|
|
|
PROP_ANGLE_BEGIN,
|
|
PROP_ANGLE_END,
|
|
PROP_AXIS,
|
|
PROP_DIRECTION
|
|
};
|
|
|
|
static void
|
|
clutter_behaviour_rotate_alpha_notify (ClutterBehaviour *behaviour,
|
|
guint32 alpha_value)
|
|
{
|
|
ClutterFixed factor, angle;
|
|
ClutterBehaviourRotate *rotate_behaviour;
|
|
ClutterBehaviourRotatePrivate *priv;
|
|
GSList *actors, *l;
|
|
|
|
rotate_behaviour = CLUTTER_BEHAVIOUR_ROTATE (behaviour);
|
|
priv = rotate_behaviour->priv;
|
|
|
|
factor = CLUTTER_INT_TO_FIXED (alpha_value) / CLUTTER_ALPHA_MAX_ALPHA;
|
|
angle = 0;
|
|
|
|
switch (priv->direction)
|
|
{
|
|
case CLUTTER_ROTATE_CW:
|
|
angle = CLUTTER_FIXED_MUL (factor, (priv->angle_end - priv->angle_begin));
|
|
angle += priv->angle_begin;
|
|
break;
|
|
case CLUTTER_ROTATE_CCW:
|
|
angle = CLUTTER_FIXED_MUL (factor, (priv->angle_begin - priv->angle_end));
|
|
angle += priv->angle_end;
|
|
break;
|
|
}
|
|
|
|
actors = clutter_behaviour_get_actors (behaviour);
|
|
for (l = actors; l; l = l->next)
|
|
{
|
|
ClutterActor *actor = l->data;
|
|
|
|
switch (priv->axis)
|
|
{
|
|
case CLUTTER_X_AXIS:
|
|
clutter_actor_rotate_x (actor,
|
|
CLUTTER_FIXED_TO_FLOAT (angle),
|
|
0, 0);
|
|
break;
|
|
case CLUTTER_Y_AXIS:
|
|
clutter_actor_rotate_y (actor,
|
|
CLUTTER_FIXED_TO_FLOAT (angle),
|
|
0, 0);
|
|
break;
|
|
case CLUTTER_Z_AXIS:
|
|
clutter_actor_rotate_z (actor,
|
|
CLUTTER_FIXED_TO_FLOAT (angle),
|
|
0, 0);
|
|
break;
|
|
}
|
|
}
|
|
g_slist_free (actors);
|
|
}
|
|
|
|
static void
|
|
clutter_behaviour_rotate_set_property (GObject *gobject,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
ClutterBehaviourRotatePrivate *priv;
|
|
|
|
priv = CLUTTER_BEHAVIOUR_ROTATE (gobject)->priv;
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_ANGLE_BEGIN:
|
|
priv->angle_begin = CLUTTER_FLOAT_TO_FIXED (g_value_get_double (value));
|
|
break;
|
|
case PROP_ANGLE_END:
|
|
priv->angle_end = CLUTTER_FLOAT_TO_FIXED (g_value_get_double (value));
|
|
break;
|
|
case PROP_AXIS:
|
|
priv->axis = g_value_get_enum (value);
|
|
break;
|
|
case PROP_DIRECTION:
|
|
priv->direction = g_value_get_enum (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
clutter_behaviour_rotate_get_property (GObject *gobject,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
ClutterBehaviourRotatePrivate *priv;
|
|
|
|
priv = CLUTTER_BEHAVIOUR_ROTATE (gobject)->priv;
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_ANGLE_BEGIN:
|
|
g_value_set_double (value, CLUTTER_FIXED_TO_DOUBLE (priv->angle_begin));
|
|
break;
|
|
case PROP_ANGLE_END:
|
|
g_value_set_double (value, CLUTTER_FIXED_TO_DOUBLE (priv->angle_end));
|
|
break;
|
|
case PROP_AXIS:
|
|
g_value_set_enum (value, priv->axis);
|
|
break;
|
|
case PROP_DIRECTION:
|
|
g_value_set_enum (value, priv->direction);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
clutter_behaviour_rotate_class_init (ClutterBehaviourRotateClass *klass)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
ClutterBehaviourClass *behaviour_class = CLUTTER_BEHAVIOUR_CLASS (klass);
|
|
|
|
gobject_class->set_property = clutter_behaviour_rotate_set_property;
|
|
gobject_class->get_property = clutter_behaviour_rotate_get_property;
|
|
|
|
behaviour_class->alpha_notify = clutter_behaviour_rotate_alpha_notify;
|
|
|
|
/**
|
|
* ClutterBehaviourRotate:angle-begin:
|
|
*
|
|
* The initial angle from whence the rotation should begin.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_ANGLE_BEGIN,
|
|
g_param_spec_double ("angle-begin",
|
|
"Angle Begin",
|
|
"Initial angle",
|
|
0.0, 359.0, 0.0,
|
|
CLUTTER_PARAM_READWRITE));
|
|
/**
|
|
* ClutterBehaviourRotate:angle-end:
|
|
*
|
|
* The final angle to where the rotation should end.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_ANGLE_END,
|
|
g_param_spec_double ("angle-end",
|
|
"Angle End",
|
|
"Final angle",
|
|
0.0, 359.0, 359.0,
|
|
CLUTTER_PARAM_READWRITE));
|
|
/**
|
|
* ClutterBehaviourRotate:axis:
|
|
*
|
|
* The axis of rotation.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_AXIS,
|
|
g_param_spec_enum ("axis",
|
|
"Axis",
|
|
"Axis of rotation",
|
|
CLUTTER_TYPE_ROTATE_AXIS,
|
|
CLUTTER_Z_AXIS,
|
|
CLUTTER_PARAM_READWRITE));
|
|
/**
|
|
* ClutterBehaviourRotate:direction:
|
|
*
|
|
* The direction of the rotation.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_DIRECTION,
|
|
g_param_spec_enum ("direction",
|
|
"Direction",
|
|
"Direction of rotation",
|
|
CLUTTER_TYPE_ROTATE_DIRECTION,
|
|
CLUTTER_ROTATE_CW,
|
|
CLUTTER_PARAM_READWRITE));
|
|
|
|
g_type_class_add_private (klass, sizeof (ClutterBehaviourRotatePrivate));
|
|
}
|
|
|
|
static void
|
|
clutter_behaviour_rotate_init (ClutterBehaviourRotate *rotate)
|
|
{
|
|
ClutterBehaviourRotatePrivate *priv;
|
|
|
|
rotate->priv = priv = CLUTTER_BEHAVIOUR_ROTATE_GET_PRIVATE (rotate);
|
|
|
|
priv->angle_begin = CLUTTER_FLOAT_TO_FIXED (0.0);
|
|
priv->angle_end = CLUTTER_FLOAT_TO_FIXED (359.0);
|
|
priv->axis = CLUTTER_Z_AXIS;
|
|
priv->direction = CLUTTER_ROTATE_CW;
|
|
}
|
|
|
|
/**
|
|
* clutter_behaviour_rotate_new:
|
|
* @alpha: a #ClutterAlpha, or %NULL
|
|
* @axis: the rotation axis
|
|
* @direction: the rotation direction
|
|
* @angle_begin: the starting angle
|
|
* @angle_end: the final angle
|
|
*
|
|
* Creates a new #ClutterBehaviourRotate. This behaviour will rotate actors
|
|
* bound to it on @axis, following @direction, between @angle_begin and
|
|
* @angle_end.
|
|
*
|
|
* Return value: the newly created #ClutterBehaviourRotate.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
ClutterBehaviour *
|
|
clutter_behaviour_rotate_new (ClutterAlpha *alpha,
|
|
ClutterRotateAxis axis,
|
|
ClutterRotateDirection direction,
|
|
gdouble angle_begin,
|
|
gdouble angle_end)
|
|
{
|
|
return clutter_behaviour_rotate_newx (alpha, axis, direction,
|
|
CLUTTER_FLOAT_TO_FIXED (angle_begin),
|
|
CLUTTER_FLOAT_TO_FIXED (angle_end));
|
|
}
|
|
|
|
/**
|
|
* clutter_behaviour_rotate_newx:
|
|
* @alpha: a #ClutterAlpha or %NULL
|
|
* @axis: the rotation axis
|
|
* @direction: the rotation direction
|
|
* @angle_begin: the starting angle, in fixed point notation
|
|
* @angle_end: the final angle, in fixed point notation
|
|
*
|
|
* Creates a new #ClutterBehaviourRotate. This is the fixed point version
|
|
* of clutter_behaviour_rotate_new().
|
|
*
|
|
* Return value: the newly created #ClutterBehaviourRotate.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
ClutterBehaviour *
|
|
clutter_behaviour_rotate_newx (ClutterAlpha *alpha,
|
|
ClutterRotateAxis axis,
|
|
ClutterRotateDirection direction,
|
|
ClutterFixed angle_begin,
|
|
ClutterFixed angle_end)
|
|
{
|
|
ClutterBehaviour *retval;
|
|
ClutterBehaviourRotatePrivate *priv;
|
|
|
|
retval = g_object_new (CLUTTER_TYPE_BEHAVIOUR_ROTATE,
|
|
"alpha", alpha,
|
|
"axis", axis,
|
|
"direction", direction,
|
|
NULL);
|
|
|
|
priv = CLUTTER_BEHAVIOUR_ROTATE_GET_PRIVATE (retval);
|
|
priv->angle_begin = angle_begin;
|
|
priv->angle_end = angle_end;
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* clutter_behaviour_rotate_get_axis:
|
|
* @rotate: a #ClutterBehaviourRotate
|
|
*
|
|
* Retrieves the #ClutterRotateAxis used by the rotate behaviour.
|
|
*
|
|
* Return value: the rotation axis
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
ClutterRotateAxis
|
|
clutter_behaviour_rotate_get_axis (ClutterBehaviourRotate *rotate)
|
|
{
|
|
g_return_val_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate), CLUTTER_Z_AXIS);
|
|
|
|
return rotate->priv->axis;
|
|
}
|
|
|
|
/**
|
|
* clutter_behaviour_rotate_set_axis:
|
|
* @rotate: a #ClutterBehaviourRotate
|
|
* @axis: a #ClutterRotateAxis
|
|
*
|
|
* Sets the axis used by the rotate behaviour.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
void
|
|
clutter_behaviour_rotate_set_axis (ClutterBehaviourRotate *rotate,
|
|
ClutterRotateAxis axis)
|
|
{
|
|
ClutterBehaviourRotatePrivate *priv;
|
|
|
|
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
|
|
|
|
priv = rotate->priv;
|
|
|
|
if (priv->axis != axis)
|
|
{
|
|
g_object_ref (rotate);
|
|
|
|
priv->axis = axis;
|
|
|
|
g_object_notify (G_OBJECT (rotate), "axis");
|
|
g_object_unref (rotate);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* clutter_behaviour_rotate_get_direction:
|
|
* @rotate: a #ClutterBehaviourRotate
|
|
*
|
|
* Retrieves the #ClutterRotateDirection used by the rotate behaviour.
|
|
*
|
|
* Return value: the rotation direction
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
ClutterRotateDirection
|
|
clutter_behaviour_rotate_get_direction (ClutterBehaviourRotate *rotate)
|
|
{
|
|
g_return_val_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate),
|
|
CLUTTER_ROTATE_CW);
|
|
|
|
return rotate->priv->direction;
|
|
}
|
|
|
|
/**
|
|
* clutter_behaviour_rotate_set_direction:
|
|
* @rotate: a #ClutterBehaviourRotate
|
|
* @direction: the rotation direction
|
|
*
|
|
* Sets the rotation direction used by the rotate behaviour.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
void
|
|
clutter_behaviour_rotate_set_direction (ClutterBehaviourRotate *rotate,
|
|
ClutterRotateDirection direction)
|
|
{
|
|
ClutterBehaviourRotatePrivate *priv;
|
|
|
|
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
|
|
|
|
priv = rotate->priv;
|
|
|
|
if (priv->direction != direction)
|
|
{
|
|
g_object_ref (rotate);
|
|
|
|
priv->direction = direction;
|
|
|
|
g_object_notify (G_OBJECT (rotate), "direction");
|
|
g_object_unref (rotate);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* clutter_behaviour_rotate_get_bounds:
|
|
* @rotate: a #ClutterBehaviourRotate
|
|
* @angle_begin: return value for the initial angle
|
|
* @angle_end: return value for the final angle
|
|
*
|
|
* Retrieves the rotation boundaries of the rotate behaviour.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
void
|
|
clutter_behaviour_rotate_get_bounds (ClutterBehaviourRotate *rotate,
|
|
gdouble *angle_begin,
|
|
gdouble *angle_end)
|
|
{
|
|
ClutterBehaviourRotatePrivate *priv;
|
|
|
|
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
|
|
|
|
priv = rotate->priv;
|
|
|
|
if (angle_begin)
|
|
*angle_begin = CLUTTER_FIXED_TO_DOUBLE (priv->angle_begin);
|
|
|
|
if (angle_end)
|
|
*angle_end = CLUTTER_FIXED_TO_DOUBLE (priv->angle_end);
|
|
}
|
|
|
|
void
|
|
clutter_behaviour_rotate_set_bounds (ClutterBehaviourRotate *rotate,
|
|
gdouble angle_begin,
|
|
gdouble angle_end)
|
|
{
|
|
#if 0
|
|
ClutterBehaviourRotatePrivate *priv;
|
|
|
|
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
|
|
|
|
priv = rotate->priv;
|
|
|
|
g_object_ref (rotate);
|
|
g_object_freeze_notify (G_OBJECT (rotate));
|
|
|
|
g_object_thaw_notify (G_OBJECT (rotate));
|
|
g_object_unref (rotate);
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* clutter_behaviour_rotate_get_bounds:
|
|
* @rotate: a #ClutterBehaviourRotate
|
|
* @angle_begin: return value for the initial angle
|
|
* @angle_end: return value for the final angle
|
|
*
|
|
* Retrieves the rotation boundaries of the rotate behaviour. This is
|
|
* the fixed point notation version of clutter_behaviour_rotate_get_bounds().
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
void
|
|
clutter_behaviour_rotate_get_boundsx (ClutterBehaviourRotate *rotate,
|
|
ClutterFixed *angle_begin,
|
|
ClutterFixed *angle_end)
|
|
{
|
|
ClutterBehaviourRotatePrivate *priv;
|
|
|
|
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
|
|
|
|
priv = rotate->priv;
|
|
|
|
if (angle_begin);
|
|
*angle_begin = priv->angle_begin;
|
|
|
|
if (angle_end)
|
|
*angle_end = priv->angle_end;
|
|
}
|
|
|
|
void
|
|
clutter_behaviour_rotate_set_boundsx (ClutterBehaviourRotate *rotate,
|
|
ClutterFixed angle_begin,
|
|
ClutterFixed angle_end)
|
|
{
|
|
#if 0
|
|
ClutterBehaviourRotatePrivate *priv;
|
|
|
|
g_return_if_fail (CLUTTER_IS_BEHAVIOUR_ROTATE (rotate));
|
|
|
|
priv = rotate->priv;
|
|
|
|
g_object_ref (rotate);
|
|
g_object_freeze_notify (G_OBJECT (rotate));
|
|
|
|
g_object_thaw_notify (G_OBJECT (rotate));
|
|
g_object_unref (rotate);
|
|
#endif
|
|
}
|