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mutter/clutter/clutter-actor.h
Matthew Allum 8ad4dde16b 2007-08-13 Matthew Allum <mallum@openedhand.com> 
* clutter/clutter-actor.c:
        * clutter/clutter-actor.h:
        * clutter/clutter-event.c:
        * clutter/clutter-event.h:
        * clutter/clutter-main.c:
        * clutter/clutter-main.h:
        * clutter/clutter-private.h:
        * clutter/clutter-stage.c:
        * clutter/clutter-stage.h:
        * clutter/clutter-types.h:
        Initial implementation of actors emmitting event signals (423);
        - Actors set_reactive() to receive mouse events.
          (call clutter_enable_motion_events() for per action motion events)
        - clutter_stage_set_key_focus () to direct key events.
        - Events bubble up to parents (ending at stage)
          (original source identified by clutter_event_get_source())
        TODO:
        - enter/leave notifys for actors.
        - stage specific events - fullscreen
        - grabs

        * tests/test-events.c:
        Extend a little to use new API

        * clutter/cogl/gl/cogl.c:
        * clutter/glx/clutter-backend-glx.c:
        Move get_proc_address into cogl and out of backend.
        (shaders will need it)

        * clutter/clutter-group.c: (clutter_group_real_lower):
        Fix a minor compile warning.

        * TODO:
        Sync up.
2007-08-13 20:48:01 +00:00

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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2006 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.
*/
#ifndef _HAVE_CLUTTER_ACTOR_H
#define _HAVE_CLUTTER_ACTOR_H
/* clutter-actor.h */
#include <glib-object.h>
#include <clutter/clutter-color.h>
#include <clutter/clutter-fixed.h>
#include <clutter/clutter-types.h>
#include <clutter/clutter-units.h>
#include <clutter/clutter-event.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_ACTOR_BOX (clutter_actor_box_get_type ())
#define CLUTTER_TYPE_ACTOR (clutter_actor_get_type ())
#define CLUTTER_ACTOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ACTOR, ClutterActor))
#define CLUTTER_ACTOR_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_ACTOR, ClutterActorClass))
#define CLUTTER_IS_ACTOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ACTOR))
#define CLUTTER_IS_ACTOR_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_ACTOR))
#define CLUTTER_ACTOR_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_ACTOR, ClutterActorClass))
#define CLUTTER_ACTOR_SET_FLAGS(e,f) ((e)->flags |= (f))
#define CLUTTER_ACTOR_UNSET_FLAGS(e,f) ((e)->flags &= ~(f))
#define CLUTTER_ACTOR_IS_MAPPED(e) ((e)->flags & CLUTTER_ACTOR_MAPPED)
#define CLUTTER_ACTOR_IS_REALIZED(e) ((e)->flags & CLUTTER_ACTOR_REALIZED)
#define CLUTTER_ACTOR_IS_VISIBLE(e) (CLUTTER_ACTOR_IS_MAPPED (e) && \
CLUTTER_ACTOR_IS_REALIZED (e))
#define CLUTTER_ACTOR_IS_REACTIVE(e) (((e)->flags & CLUTTER_ACTOR_REACTIVE))
/* && CLUTTER_ACTOR_IS_VISIBLE(e)) */
typedef struct _ClutterActorClass ClutterActorClass;
typedef struct _ClutterActorBox ClutterActorBox;
typedef struct _ClutterActorPrivate ClutterActorPrivate;
/**
* ClutterCallback:
* @actor: a #ClutterActor
* @data: user data
*
* Generic callback
*/
typedef void (*ClutterCallback) (ClutterActor *actor, gpointer data);
#define CLUTTER_CALLBACK(f) ((ClutterCallback) (f))
/**
* ClutterActorFlags:
* @CLUTTER_ACTOR_MAPPED: the actor has been painted
* @CLUTTER_ACTOR_REALIZED: the resources associated to the actor have been
* allocated
* @CLUTTER_ACTOR_REACTIVE: the actor 'reacts' to mouse events emmitting event
* signals
*
* Flags used to signal the state of an actor.
*/
typedef enum
{
CLUTTER_ACTOR_MAPPED = 1 << 1,
CLUTTER_ACTOR_REALIZED = 1 << 2,
CLUTTER_ACTOR_REACTIVE = 1 << 3
} ClutterActorFlags;
/**
* ClutterActorBox:
* @x1: X coordinate of the top left corner
* @y1: Y coordinate of the top left corner
* @x2: X coordinate of the bottom right corner
* @y2: Y coordinate of the bottom right corner
*
* Bounding box of an actor. The coordinates of the top left and right bottom
* corners of an actor. The coordinates of the two points are expressed in
* #ClutterUnit<!-- -->s, that is are device-independent. If you want to obtain
* the box dimensions in pixels, use clutter_actor_get_geometry().
*/
struct _ClutterActorBox
{
ClutterUnit x1;
ClutterUnit y1;
ClutterUnit x2;
ClutterUnit y2;
};
GType clutter_actor_box_get_type (void) G_GNUC_CONST;
/**
* ClutterActor:
* @flags: #ClutterActorFlags
*
* Base class for actors.
*/
struct _ClutterActor
{
/*< private >*/
GInitiallyUnowned parent_instance;
/*< public >*/
guint32 flags;
/*< private >*/
guint32 private_flags;
ClutterActorPrivate *priv;
};
/**
* ClutterActorClass:
* @show: signal class handler for the ClutterActor::show signal
* @show_all: virtual function for containers and composite actors, to
* determine which children should be shown when calling
* clutter_actor_show_all() on the actor. Defaults to calling
* clutter_actor_show().
* @hide: signal class handler for the ClutterActor::hide signal
* @hide_all: virtual function for containers and composite actors, to
* determine which children should be shown when calling
* clutter_actor_hide_all() on the actor. Defaults to calling
* clutter_actor_show().
* @realize: virtual function, used to allocate resources for the actor;
* it should chain up to the parent's implementation
* @unrealize: virtual function, used to deallocate resources allocated
* in ::realized; it should chain up to the parent's implementation
* @paint: virtual function, used to paint the actor
* @request_coords: virtual function, used when setting the coordinates
* of an actor
* @query_coords: virtual function, used when querying the actor for
* its coordinates
* @set_depth: virtual function, used when setting the depth
* @get_depth: virtual function, used when getting the depth
* @parent_set: signal class closure for the ClutterActor::parent-set
* signal
* @destroy: signal class closure for the ClutterActor::destroy signal
* @pick: virtual functions, used to draw an outline of the actor
*
* Base class for actors.
*/
struct _ClutterActorClass
{
/*< private >*/
GInitiallyUnownedClass parent_class;
/*< public >*/
void (* show) (ClutterActor *actor);
void (* show_all) (ClutterActor *actor);
void (* hide) (ClutterActor *actor);
void (* hide_all) (ClutterActor *actor);
void (* realize) (ClutterActor *actor);
void (* unrealize) (ClutterActor *actor);
void (* paint) (ClutterActor *actor);
void (* request_coords) (ClutterActor *actor,
ClutterActorBox *box);
void (* query_coords) (ClutterActor *actor,
ClutterActorBox *box);
void (* set_depth) (ClutterActor *actor,
gint depth);
gint (* get_depth) (ClutterActor *actor);
void (* parent_set) (ClutterActor *actor,
ClutterActor *old_parent);
void (* destroy) (ClutterActor *actor);
void (* pick) (ClutterActor *actor,
const ClutterColor *color);
/* event signals */
void (* event) (ClutterActor *actor,
ClutterEvent *event);
void (* event_after) (ClutterActor *actor,
ClutterEvent *event);
void (* button_press_event) (ClutterActor *actor,
ClutterButtonEvent *event);
void (* button_release_event) (ClutterActor *actor,
ClutterButtonEvent *event);
void (* scroll_event) (ClutterActor *actor,
ClutterScrollEvent *event);
void (* key_press_event) (ClutterActor *actor,
ClutterKeyEvent *event);
void (* key_release_event) (ClutterActor *actor,
ClutterKeyEvent *event);
void (* motion_event) (ClutterActor *actor,
ClutterMotionEvent *event);
void (* focus_in) (ClutterActor *actor);
void (* focus_out) (ClutterActor *actor);
/*< private >*/
/* padding for future expansion */
gpointer _padding_dummy[32];
};
GType clutter_actor_get_type (void) G_GNUC_CONST;
void clutter_actor_show (ClutterActor *self);
void clutter_actor_show_all (ClutterActor *self);
void clutter_actor_hide (ClutterActor *self);
void clutter_actor_hide_all (ClutterActor *self);
void clutter_actor_realize (ClutterActor *self);
void clutter_actor_unrealize (ClutterActor *self);
void clutter_actor_paint (ClutterActor *self);
void clutter_actor_pick (ClutterActor *self,
const ClutterColor *color);
void clutter_actor_queue_redraw (ClutterActor *self);
void clutter_actor_destroy (ClutterActor *self);
void clutter_actor_request_coords (ClutterActor *self,
ClutterActorBox *box);
void clutter_actor_query_coords (ClutterActor *self,
ClutterActorBox *box);
void clutter_actor_set_geometry (ClutterActor *self,
const ClutterGeometry *geometry);
void clutter_actor_get_geometry (ClutterActor *self,
ClutterGeometry *geometry);
void clutter_actor_get_coords (ClutterActor *self,
gint *x_1,
gint *y_1,
gint *x_2,
gint *y_2);
void clutter_actor_set_size (ClutterActor *self,
gint width,
gint height);
void clutter_actor_set_position (ClutterActor *self,
gint x,
gint y);
void clutter_actor_get_abs_position (ClutterActor *self,
gint *x,
gint *y);
guint clutter_actor_get_width (ClutterActor *self);
guint clutter_actor_get_height (ClutterActor *self);
void clutter_actor_set_width (ClutterActor *self,
guint width);
void clutter_actor_set_height (ClutterActor *self,
guint height);
gint clutter_actor_get_x (ClutterActor *self);
gint clutter_actor_get_y (ClutterActor *self);
void clutter_actor_rotate_x (ClutterActor *self,
gfloat angle,
gint y,
gint z);
void clutter_actor_rotate_y (ClutterActor *self,
gfloat angle,
gint x,
gint z);
void clutter_actor_rotate_z (ClutterActor *self,
gfloat angle,
gint x,
gint y);
void clutter_actor_rotate_xx (ClutterActor *self,
ClutterFixed angle,
gint y,
gint z);
void clutter_actor_rotate_yx (ClutterActor *self,
ClutterFixed angle,
gint x,
gint z);
void clutter_actor_rotate_zx (ClutterActor *self,
ClutterFixed angle,
gint x,
gint y);
gdouble clutter_actor_get_rxang (ClutterActor *self);
gdouble clutter_actor_get_ryang (ClutterActor *self);
gdouble clutter_actor_get_rzang (ClutterActor *self);
ClutterFixed clutter_actor_get_rxangx (ClutterActor *self);
ClutterFixed clutter_actor_get_ryangx (ClutterActor *self);
ClutterFixed clutter_actor_get_rzangx (ClutterActor *self);
void clutter_actor_set_opacity (ClutterActor *self,
guint8 opacity);
guint8 clutter_actor_get_opacity (ClutterActor *self);
void clutter_actor_set_name (ClutterActor *self,
const gchar *name);
G_CONST_RETURN gchar *clutter_actor_get_name (ClutterActor *self);
guint32 clutter_actor_get_id (ClutterActor *self);
void clutter_actor_set_clip (ClutterActor *self,
gint xoff,
gint yoff,
gint width,
gint height);
void clutter_actor_remove_clip (ClutterActor *self);
gboolean clutter_actor_has_clip (ClutterActor *self);
void clutter_actor_set_parent (ClutterActor *self,
ClutterActor *parent);
ClutterActor * clutter_actor_get_parent (ClutterActor *self);
void clutter_actor_reparent (ClutterActor *self,
ClutterActor *new_parent);
void clutter_actor_unparent (ClutterActor *self);
void clutter_actor_raise (ClutterActor *self,
ClutterActor *below);
void clutter_actor_lower (ClutterActor *self,
ClutterActor *above);
void clutter_actor_raise_top (ClutterActor *self);
void clutter_actor_lower_bottom (ClutterActor *self);
void clutter_actor_set_depth (ClutterActor *self,
gint depth);
gint clutter_actor_get_depth (ClutterActor *self);
void clutter_actor_set_scalex (ClutterActor *self,
ClutterFixed scale_x,
ClutterFixed scale_y);
void clutter_actor_set_scale (ClutterActor *self,
gdouble scale_x,
gdouble scale_y);
void clutter_actor_get_scalex (ClutterActor *self,
ClutterFixed *scale_x,
ClutterFixed *scale_y);
void clutter_actor_get_scale (ClutterActor *self,
gdouble *scale_x,
gdouble *scale_y);
void clutter_actor_set_scale_with_gravityx (ClutterActor *self,
ClutterFixed scale_x,
ClutterFixed scale_y,
ClutterGravity gravity);
void clutter_actor_set_scale_with_gravity (ClutterActor *self,
gfloat scale_x,
gfloat scale_y,
ClutterGravity gravity);
void clutter_actor_get_abs_size (ClutterActor *self,
guint *width,
guint *height);
void clutter_actor_get_size (ClutterActor *self,
guint *width,
guint *height);
void clutter_actor_move_by (ClutterActor *self,
gint dx,
gint dy);
void clutter_actor_get_vertices (ClutterActor *self,
ClutterVertex verts[4]);
void clutter_actor_apply_transform_to_point (ClutterActor *self,
ClutterVertex *point,
ClutterVertex *vertex);
/* Per actor event handling - may change */
gboolean
clutter_actor_event (ClutterActor *actor,
ClutterEvent *event);
void
clutter_actor_set_reactive (ClutterActor *actor);
void
clutter_actor_unset_reactive (ClutterActor *actor);
gboolean
clutter_actor_is_reactive (ClutterActor *actor);
G_END_DECLS
#endif /* _HAVE_CLUTTER_ACTOR_H */
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