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3b4f603368
clutter_ungrab_keyboard and clutter_get_keyboard_grab, in clutter_do_event deliver keyboard related events only to the actor with the keyboard grab if a grab exists. * clutter/clutter-private.h: added keyboard_grab_actor to context. * tests/test-grab.c: added testing for testing the keyboard grab.
153 lines
5.4 KiB
C
153 lines
5.4 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_PRIVATE_H
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#define _HAVE_CLUTTER_PRIVATE_H
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <math.h>
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#include <glib.h>
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#include <pango/pangoft2.h>
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#include "clutter-event.h"
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#include "clutter-backend.h"
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#include "clutter-stage.h"
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#include "clutter-feature.h"
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G_BEGIN_DECLS
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typedef enum {
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CLUTTER_ACTOR_UNUSED_FLAG = 0,
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CLUTTER_ACTOR_IN_DESTRUCTION = 1 << 0,
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CLUTTER_ACTOR_IS_TOPLEVEL = 1 << 1,
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CLUTTER_ACTOR_IN_REPARENT = 1 << 2,
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CLUTTER_ACTOR_SYNC_MATRICES = 1 << 3 /* Used by stage to indicate GL
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* viewport / perspective etc
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* needs (re)setting.
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*/
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} ClutterPrivateFlags;
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typedef enum {
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CLUTTER_PICK_NONE = 0,
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CLUTTER_PICK_REACTIVE,
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CLUTTER_PICK_ALL
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} ClutterPickMode;
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typedef struct _ClutterMainContext ClutterMainContext;
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struct _ClutterMainContext
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{
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ClutterBackend *backend; /* holds a pointer to the windowing
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system backend */
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GQueue *events_queue; /* the main event queue */
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PangoFT2FontMap *font_map;
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guint update_idle; /* repaint idler id */
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guint is_initialized : 1;
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GTimer *timer; /* Used for debugging scheduler */
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ClutterPickMode pick_mode; /* Indicates pick render mode */
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guint motion_events_per_actor : 1;/* set for enter/leave events */
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gint num_reactives; /* Num of reactive actors */
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GHashTable *actor_hash; /* Hash of all actors mapped to id */
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guint frame_rate; /* Default FPS */
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ClutterActor *pointer_grab_actor; /* The actor having the pointer grab
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(or NULL if there is no pointer grab)
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*/
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ClutterActor *keyboard_grab_actor; /* The actor having the pointer grab
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(or NULL if there is no pointer grab)
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*/
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};
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#define CLUTTER_CONTEXT() (clutter_context_get_default ())
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ClutterMainContext *clutter_context_get_default (void);
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#define CLUTTER_PRIVATE_FLAGS(a) (CLUTTER_ACTOR ((a))->private_flags)
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#define CLUTTER_SET_PRIVATE_FLAGS(a,f) G_STMT_START{ (CLUTTER_PRIVATE_FLAGS (a) |= (f)); }G_STMT_END
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#define CLUTTER_UNSET_PRIVATE_FLAGS(a,f) G_STMT_START{ (CLUTTER_PRIVATE_FLAGS (a) &= ~(f)); }G_STMT_END
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#define CLUTTER_PARAM_READABLE \
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G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB
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#define CLUTTER_PARAM_WRITABLE \
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G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB
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#define CLUTTER_PARAM_READWRITE \
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G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK |G_PARAM_STATIC_BLURB
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/* vfuncs implemnted by backend */
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GType _clutter_backend_impl_get_type (void);
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ClutterActor *_clutter_backend_get_stage (ClutterBackend *backend);
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void _clutter_backend_redraw (ClutterBackend *backend);
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void _clutter_backend_add_options (ClutterBackend *backend,
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GOptionGroup *group);
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gboolean _clutter_backend_pre_parse (ClutterBackend *backend,
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GError **error);
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gboolean _clutter_backend_post_parse (ClutterBackend *backend,
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GError **error);
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gboolean _clutter_backend_init_stage (ClutterBackend *backend,
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GError **error);
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void _clutter_backend_init_events (ClutterBackend *backend);
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ClutterFeatureFlags _clutter_backend_get_features (ClutterBackend *backend);
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void _clutter_feature_init (void);
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ClutterActor *_clutter_do_pick (ClutterStage *stage,
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gint x,
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gint y,
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ClutterPickMode mode);
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/* use this function as the accumulator if you have a signal with
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* a G_TYPE_BOOLEAN return value; this will stop the emission as
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* soon as one handler returns TRUE
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*/
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gboolean _clutter_boolean_handled_accumulator (GSignalInvocationHint *ihint,
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GValue *return_accu,
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const GValue *handler_return,
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gpointer dummy);
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/* Does this need to be private ? */
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void clutter_do_event (ClutterEvent *event);
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G_END_DECLS
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#endif /* _HAVE_CLUTTER_PRIVATE_H */
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