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557 lines
34 KiB
C
557 lines
34 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By Matthew Allum <mallum@openedhand.com>
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*
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* Copyright (C) 2006 OpenedHand
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _HAVE_CLUTTER_ACTOR_H
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#define _HAVE_CLUTTER_ACTOR_H
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/* clutter-actor.h */
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#include <glib-object.h>
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#include <clutter/clutter-color.h>
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#include <clutter/clutter-fixed.h>
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#include <clutter/clutter-types.h>
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#include <clutter/clutter-units.h>
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#include <clutter/clutter-event.h>
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#include <clutter/clutter-shader.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_ACTOR_BOX (clutter_actor_box_get_type ())
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#define CLUTTER_TYPE_ACTOR (clutter_actor_get_type ())
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#define CLUTTER_ACTOR(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ACTOR, ClutterActor))
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#define CLUTTER_ACTOR_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_ACTOR, ClutterActorClass))
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#define CLUTTER_IS_ACTOR(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ACTOR))
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#define CLUTTER_IS_ACTOR_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_ACTOR))
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#define CLUTTER_ACTOR_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_ACTOR, ClutterActorClass))
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/**
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* CLUTTER_ACTOR_SET_FLAGS:
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* @a: a #ClutterActor
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* @f: the #ClutterActorFlags to set
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*
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* Sets the given flags on a #ClutterActor
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*/
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#define CLUTTER_ACTOR_SET_FLAGS(a,f) (((ClutterActor*)(a))->flags |= (f))
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/**
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* CLUTTER_ACTOR_UNSET_FLAGS:
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* @a: a #ClutterActor
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* @f: the #ClutterActorFlags to unset
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*
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* Unsets the given flags on a #ClutterActor
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*/
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#define CLUTTER_ACTOR_UNSET_FLAGS(a,f) (((ClutterActor*)(a))->flags &= ~(f))
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#define CLUTTER_ACTOR_IS_MAPPED(e) (((ClutterActor*)(e))->flags & CLUTTER_ACTOR_MAPPED)
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#define CLUTTER_ACTOR_IS_REALIZED(e) (((ClutterActor*)(e))->flags & CLUTTER_ACTOR_REALIZED)
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#define CLUTTER_ACTOR_IS_VISIBLE(e) (CLUTTER_ACTOR_IS_MAPPED (e) && CLUTTER_ACTOR_IS_REALIZED (e))
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#define CLUTTER_ACTOR_IS_REACTIVE(e) (((ClutterActor*)(e))->flags & CLUTTER_ACTOR_REACTIVE)
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typedef struct _ClutterActorClass ClutterActorClass;
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typedef struct _ClutterActorBox ClutterActorBox;
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typedef struct _ClutterActorPrivate ClutterActorPrivate;
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/**
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* ClutterCallback:
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* @actor: a #ClutterActor
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* @data: user data
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*
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* Generic callback
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*/
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typedef void (*ClutterCallback) (ClutterActor *actor, gpointer data);
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/**
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* CLUTTER_CALLBACK
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* @f: a function
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*
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* Convenience macro to cast a function to #ClutterCallback
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*/
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#define CLUTTER_CALLBACK(f) ((ClutterCallback) (f))
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/**
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* ClutterActorFlags:
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* @CLUTTER_ACTOR_MAPPED: the actor has been painted
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* @CLUTTER_ACTOR_REALIZED: the resources associated to the actor have been
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* allocated
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* @CLUTTER_ACTOR_REACTIVE: the actor 'reacts' to mouse events emmitting event
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* signals
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*
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* Flags used to signal the state of an actor.
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*/
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typedef enum
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{
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CLUTTER_ACTOR_MAPPED = 1 << 1,
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CLUTTER_ACTOR_REALIZED = 1 << 2,
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CLUTTER_ACTOR_REACTIVE = 1 << 3
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} ClutterActorFlags;
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/**
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* ClutterActorBox:
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* @x1: X coordinate of the top left corner
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* @y1: Y coordinate of the top left corner
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* @x2: X coordinate of the bottom right corner
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* @y2: Y coordinate of the bottom right corner
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*
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* Bounding box of an actor. The coordinates of the top left and right bottom
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* corners of an actor. The coordinates of the two points are expressed in
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* #ClutterUnit<!-- -->s, that is are device-independent. If you want to obtain
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* the box dimensions in pixels, use clutter_actor_get_geometry().
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*/
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struct _ClutterActorBox
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{
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ClutterUnit x1;
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ClutterUnit y1;
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ClutterUnit x2;
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ClutterUnit y2;
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};
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GType clutter_actor_box_get_type (void) G_GNUC_CONST;
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/**
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* ClutterActor:
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* @flags: #ClutterActorFlags
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*
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* Base class for actors.
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*/
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struct _ClutterActor
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{
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/*< private >*/
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GInitiallyUnowned parent_instance;
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/*< public >*/
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guint32 flags;
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/*< private >*/
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guint32 private_flags;
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ClutterActorPrivate *priv;
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};
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/**
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* ClutterActorClass:
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* @show: signal class handler for #ClutterActor::show; it must chain
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* up to the parent's implementation
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* @show_all: virtual function for containers and composite actors, to
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* determine which children should be shown when calling
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* clutter_actor_show_all() on the actor. Defaults to calling
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* clutter_actor_show().
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* @hide: signal class handler for #ClutterActor::hide; it must chain
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* up to the parent's implementation
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* @hide_all: virtual function for containers and composite actors, to
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* determine which children should be shown when calling
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* clutter_actor_hide_all() on the actor. Defaults to calling
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* clutter_actor_hide().
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* @realize: virtual function, used to allocate resources for the actor;
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* it should chain up to the parent's implementation
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* @unrealize: virtual function, used to deallocate resources allocated
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* in ::realize; it should chain up to the parent's implementation
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* @paint: virtual function, used to paint the actor
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* @get_preferred_width: virtual function, used when querying the minimum
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* and natural widths of an actor for a given height; it is used by
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* clutter_actor_get_preferred_width()
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* @get_preferred_height: virtual function, used when querying the minimum
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* and natural heights of an actor for a given width; it is used by
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* clutter_actor_get_preferred_height()
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* @allocate: virtual function, used when settings the coordinates of an
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* actor; it is used by clutter_actor_allocate()
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* @parent_set: signal class handler for the #ClutterActor::parent-set
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* @destroy: signal class handler for #ClutterActor::destroy
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* @pick: virtual function, used to draw an outline of the actor with
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* the given color
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* @event: class handler for #ClutterActor::event
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* @button_press_event: class handler for #ClutterActor::button-press-event
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* @button_release_event: class handler for
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* #ClutterActor::button-release-event
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* @scroll_event: signal class closure for #ClutterActor::scroll-event
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* @key_press_event: signal class closure for #ClutterActor::key-press-event
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* @key_release_event: signal class closure for
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* #ClutterActor::key-release-event
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* @motion_event: signal class closure for #ClutterActor::motion-event
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* @enter_event: signal class closure for #ClutterActor::enter-event
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* @leave_event: signal class closure for #ClutterActor::leave-event
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* @captured_event: signal class closure for #ClutterActor::captured-event
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* @focus_in: signal class closure for #ClutterActor::focus-in
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* @focus_out: signal class closure for #ClutterActor::focus-out
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*
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* Base class for actors.
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*/
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struct _ClutterActorClass
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{
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/*< private >*/
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GInitiallyUnownedClass parent_class;
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/*< public >*/
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void (* show) (ClutterActor *actor);
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void (* show_all) (ClutterActor *actor);
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void (* hide) (ClutterActor *actor);
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void (* hide_all) (ClutterActor *actor);
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void (* realize) (ClutterActor *actor);
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void (* unrealize) (ClutterActor *actor);
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void (* paint) (ClutterActor *actor);
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void (* parent_set) (ClutterActor *actor,
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ClutterActor *old_parent);
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void (* destroy) (ClutterActor *actor);
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void (* pick) (ClutterActor *actor,
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const ClutterColor *color);
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/* size negotiation */
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void (* get_preferred_width) (ClutterActor *actor,
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ClutterUnit for_height,
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ClutterUnit *min_width_p,
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ClutterUnit *natural_width_p);
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void (* get_preferred_height) (ClutterActor *actor,
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ClutterUnit for_width,
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ClutterUnit *min_height_p,
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ClutterUnit *natural_height_p);
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void (* allocate) (ClutterActor *actor,
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const ClutterActorBox *box,
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gboolean absolute_origin_changed);
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/* event signals */
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gboolean (* event) (ClutterActor *actor,
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ClutterEvent *event);
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gboolean (* button_press_event) (ClutterActor *actor,
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ClutterButtonEvent *event);
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gboolean (* button_release_event) (ClutterActor *actor,
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ClutterButtonEvent *event);
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gboolean (* scroll_event) (ClutterActor *actor,
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ClutterScrollEvent *event);
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gboolean (* key_press_event) (ClutterActor *actor,
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ClutterKeyEvent *event);
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gboolean (* key_release_event) (ClutterActor *actor,
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ClutterKeyEvent *event);
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gboolean (* motion_event) (ClutterActor *actor,
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ClutterMotionEvent *event);
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gboolean (* enter_event) (ClutterActor *actor,
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ClutterCrossingEvent *event);
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gboolean (* leave_event) (ClutterActor *actor,
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ClutterCrossingEvent *event);
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gboolean (* captured_event) (ClutterActor *actor,
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ClutterEvent *event);
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void (* focus_in) (ClutterActor *actor);
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void (* focus_out) (ClutterActor *actor);
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/*< private >*/
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/* padding for future expansion */
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gpointer _padding_dummy[32];
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};
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GType clutter_actor_get_type (void) G_GNUC_CONST;
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void clutter_actor_show (ClutterActor *self);
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void clutter_actor_show_all (ClutterActor *self);
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void clutter_actor_hide (ClutterActor *self);
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void clutter_actor_hide_all (ClutterActor *self);
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void clutter_actor_realize (ClutterActor *self);
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void clutter_actor_unrealize (ClutterActor *self);
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void clutter_actor_paint (ClutterActor *self);
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void clutter_actor_pick (ClutterActor *self,
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const ClutterColor *color);
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void clutter_actor_queue_redraw (ClutterActor *self);
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void clutter_actor_queue_relayout (ClutterActor *self);
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void clutter_actor_destroy (ClutterActor *self);
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/* size negotiation */
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void clutter_actor_get_preferred_width (ClutterActor *self,
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ClutterUnit for_height,
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ClutterUnit *min_width_p,
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ClutterUnit *natural_width_p);
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void clutter_actor_get_preferred_height (ClutterActor *self,
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ClutterUnit for_width,
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ClutterUnit *min_height_p,
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ClutterUnit *natural_height_p);
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void clutter_actor_get_preferred_size (ClutterActor *self,
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ClutterUnit *min_width_p,
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ClutterUnit *min_height_p,
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ClutterUnit *natural_width_p,
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ClutterUnit *natural_height_p);
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void clutter_actor_allocate (ClutterActor *self,
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const ClutterActorBox *box,
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gboolean absolute_origin_changed);
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void clutter_actor_allocate_preferred_size (ClutterActor *self,
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gboolean absolute_origin_changed);
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void clutter_actor_get_allocation_coords (ClutterActor *self,
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gint *x_1,
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gint *y_1,
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gint *x_2,
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gint *y_2);
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void clutter_actor_get_allocation_box (ClutterActor *self,
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ClutterActorBox *box);
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void clutter_actor_get_allocation_geometry (ClutterActor *self,
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ClutterGeometry *geom);
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void clutter_actor_get_allocation_vertices (ClutterActor *self,
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ClutterActor *ancestor,
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ClutterVertex verts[4]);
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void clutter_actor_set_geometry (ClutterActor *self,
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const ClutterGeometry *geometry);
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void clutter_actor_get_geometry (ClutterActor *self,
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ClutterGeometry *geometry);
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void clutter_actor_set_size (ClutterActor *self,
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gint width,
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gint height);
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void clutter_actor_set_sizeu (ClutterActor *self,
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ClutterUnit width,
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ClutterUnit height);
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void clutter_actor_get_size (ClutterActor *self,
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guint *width,
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guint *height);
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void clutter_actor_get_sizeu (ClutterActor *self,
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ClutterUnit *width,
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ClutterUnit *height);
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void clutter_actor_get_transformed_size (ClutterActor *self,
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guint *width,
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guint *height);
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void clutter_actor_get_transformed_sizeu (ClutterActor *self,
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ClutterUnit *width,
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ClutterUnit *height);
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void clutter_actor_set_position (ClutterActor *self,
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gint x,
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gint y);
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void clutter_actor_set_positionu (ClutterActor *self,
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ClutterUnit x,
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ClutterUnit y);
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void clutter_actor_get_position (ClutterActor *self,
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gint *x,
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gint *y);
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void clutter_actor_get_positionu (ClutterActor *self,
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ClutterUnit *x,
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ClutterUnit *y);
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void clutter_actor_get_transformed_position (ClutterActor *self,
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gint *x,
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gint *y);
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void clutter_actor_get_transformed_positionu (ClutterActor *self,
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ClutterUnit *x,
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ClutterUnit *y);
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gboolean clutter_actor_get_fixed_position_set (ClutterActor *self);
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void clutter_actor_set_fixed_position_set (ClutterActor *self,
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gboolean is_set);
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guint clutter_actor_get_width (ClutterActor *self);
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ClutterUnit clutter_actor_get_widthu (ClutterActor *self);
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guint clutter_actor_get_height (ClutterActor *self);
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ClutterUnit clutter_actor_get_heightu (ClutterActor *self);
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void clutter_actor_set_width (ClutterActor *self,
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guint width);
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void clutter_actor_set_widthu (ClutterActor *self,
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ClutterUnit width);
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void clutter_actor_set_height (ClutterActor *self,
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guint height);
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void clutter_actor_set_heightu (ClutterActor *self,
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ClutterUnit height);
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gint clutter_actor_get_x (ClutterActor *self);
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ClutterUnit clutter_actor_get_xu (ClutterActor *self);
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gint clutter_actor_get_y (ClutterActor *self);
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ClutterUnit clutter_actor_get_yu (ClutterActor *self);
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void clutter_actor_set_x (ClutterActor *self,
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gint x);
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void clutter_actor_set_xu (ClutterActor *self,
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ClutterUnit x);
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void clutter_actor_set_y (ClutterActor *self,
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gint y);
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void clutter_actor_set_yu (ClutterActor *self,
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ClutterUnit y);
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void clutter_actor_set_rotation (ClutterActor *self,
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ClutterRotateAxis axis,
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gdouble angle,
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gint x,
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gint y,
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gint z);
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void clutter_actor_set_rotationx (ClutterActor *self,
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ClutterRotateAxis axis,
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ClutterFixed angle,
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gint x,
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gint y,
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gint z);
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void clutter_actor_set_rotationu (ClutterActor *self,
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ClutterRotateAxis axis,
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gdouble angle,
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ClutterUnit x,
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ClutterUnit y,
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ClutterUnit z);
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gdouble clutter_actor_get_rotation (ClutterActor *self,
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ClutterRotateAxis axis,
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gint *x,
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gint *y,
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gint *z);
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ClutterFixed clutter_actor_get_rotationx (ClutterActor *self,
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ClutterRotateAxis axis,
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gint *x,
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gint *y,
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gint *z);
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gdouble clutter_actor_get_rotationu (ClutterActor *self,
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ClutterRotateAxis axis,
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ClutterUnit *x,
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ClutterUnit *y,
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ClutterUnit *z);
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void clutter_actor_set_opacity (ClutterActor *self,
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guint8 opacity);
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guint8 clutter_actor_get_opacity (ClutterActor *self);
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guint8 clutter_actor_get_paint_opacity (ClutterActor *self);
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void clutter_actor_set_name (ClutterActor *self,
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const gchar *name);
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G_CONST_RETURN gchar *clutter_actor_get_name (ClutterActor *self);
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guint32 clutter_actor_get_gid (ClutterActor *self);
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void clutter_actor_set_clip (ClutterActor *self,
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gint xoff,
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gint yoff,
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gint width,
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gint height);
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void clutter_actor_set_clipu (ClutterActor *self,
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ClutterUnit xoff,
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ClutterUnit yoff,
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ClutterUnit width,
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ClutterUnit height);
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void clutter_actor_remove_clip (ClutterActor *self);
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gboolean clutter_actor_has_clip (ClutterActor *self);
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void clutter_actor_get_clip (ClutterActor *self,
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gint *xoff,
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gint *yoff,
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gint *width,
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gint *height);
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void clutter_actor_get_clipu (ClutterActor *self,
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ClutterUnit *xoff,
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ClutterUnit *yoff,
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ClutterUnit *width,
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ClutterUnit *height);
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void clutter_actor_set_parent (ClutterActor *self,
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ClutterActor *parent);
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ClutterActor * clutter_actor_get_parent (ClutterActor *self);
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void clutter_actor_reparent (ClutterActor *self,
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ClutterActor *new_parent);
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void clutter_actor_unparent (ClutterActor *self);
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ClutterActor* clutter_actor_get_stage (ClutterActor *actor);
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void clutter_actor_raise (ClutterActor *self,
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ClutterActor *below);
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void clutter_actor_lower (ClutterActor *self,
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ClutterActor *above);
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void clutter_actor_raise_top (ClutterActor *self);
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void clutter_actor_lower_bottom (ClutterActor *self);
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void clutter_actor_set_depth (ClutterActor *self,
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gint depth);
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gint clutter_actor_get_depth (ClutterActor *self);
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void clutter_actor_set_depthu (ClutterActor *self,
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ClutterUnit depth);
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ClutterUnit clutter_actor_get_depthu (ClutterActor *self);
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void clutter_actor_set_scalex (ClutterActor *self,
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ClutterFixed scale_x,
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ClutterFixed scale_y);
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void clutter_actor_set_scale (ClutterActor *self,
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gdouble scale_x,
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gdouble scale_y);
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void clutter_actor_get_scalex (ClutterActor *self,
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ClutterFixed *scale_x,
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ClutterFixed *scale_y);
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void clutter_actor_get_scale (ClutterActor *self,
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gdouble *scale_x,
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gdouble *scale_y);
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void clutter_actor_move_by (ClutterActor *self,
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gint dx,
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gint dy);
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void clutter_actor_move_byu (ClutterActor *self,
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ClutterUnit dx,
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|
ClutterUnit dy);
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void clutter_actor_set_reactive (ClutterActor *actor,
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gboolean reactive);
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gboolean clutter_actor_get_reactive (ClutterActor *actor);
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gboolean clutter_actor_event (ClutterActor *actor,
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ClutterEvent *event,
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gboolean capture);
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|
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ClutterActor * clutter_get_actor_by_gid (guint32 id);
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|
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gboolean clutter_actor_set_shader (ClutterActor *self,
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|
ClutterShader *shader);
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ClutterShader * clutter_actor_get_shader (ClutterActor *self);
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void clutter_actor_set_shader_param (ClutterActor *self,
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|
const gchar *param,
|
|
gfloat value);
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|
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void clutter_actor_set_anchor_point (ClutterActor *self,
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|
gint anchor_x,
|
|
gint anchor_y);
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void clutter_actor_move_anchor_point (ClutterActor *self,
|
|
gint anchor_x,
|
|
gint anchor_y);
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void clutter_actor_get_anchor_point (ClutterActor *self,
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|
gint *anchor_x,
|
|
gint *anchor_y);
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void clutter_actor_set_anchor_pointu (ClutterActor *self,
|
|
ClutterUnit anchor_x,
|
|
ClutterUnit anchor_y);
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|
void clutter_actor_move_anchor_pointu (ClutterActor *self,
|
|
ClutterUnit anchor_x,
|
|
ClutterUnit anchor_y);
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|
void clutter_actor_get_anchor_pointu (ClutterActor *self,
|
|
ClutterUnit *anchor_x,
|
|
ClutterUnit *anchor_y);
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|
void clutter_actor_set_anchor_point_from_gravity (ClutterActor *self,
|
|
ClutterGravity gravity);
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void clutter_actor_move_anchor_point_from_gravity (ClutterActor *self,
|
|
ClutterGravity gravity);
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|
|
|
gboolean clutter_actor_transform_stage_point (ClutterActor *self,
|
|
ClutterUnit x,
|
|
ClutterUnit y,
|
|
ClutterUnit *x_out,
|
|
ClutterUnit *y_out);
|
|
gboolean clutter_actor_is_rotated (ClutterActor *self);
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|
gboolean clutter_actor_is_scaled (ClutterActor *self);
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|
gboolean clutter_actor_should_pick_paint (ClutterActor *self);
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|
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void clutter_actor_box_get_from_vertices (ClutterVertex vtx[4],
|
|
ClutterActorBox *box);
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|
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void clutter_actor_get_abs_allocation_vertices (ClutterActor *self,
|
|
ClutterVertex verts[4]);
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|
|
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void clutter_actor_apply_transform_to_point (ClutterActor *self,
|
|
ClutterVertex *point,
|
|
ClutterVertex *vertex);
|
|
void clutter_actor_apply_relative_transform_to_point (ClutterActor *self,
|
|
ClutterActor *ancestor,
|
|
ClutterVertex *point,
|
|
ClutterVertex *vertex);
|
|
|
|
G_END_DECLS
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#endif /* _HAVE_CLUTTER_ACTOR_H */
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