/* * Clutter. * * An OpenGL based 'interactive canvas' library. * * Authored By Matthew Allum * * 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_PRIVATE_H #define _HAVE_CLUTTER_PRIVATE_H #include #include #include #ifdef HAVE_UNISTD_H #include #endif #include #include #include "pango/cogl-pango.h" #include "clutter-backend.h" #include "clutter-event.h" #include "clutter-feature.h" #include "clutter-id-pool.h" #include "clutter-stage-manager.h" #include "clutter-stage-window.h" #include "clutter-stage.h" G_BEGIN_DECLS typedef enum { CLUTTER_ACTOR_UNUSED_FLAG = 0, CLUTTER_ACTOR_IN_DESTRUCTION = 1 << 0, CLUTTER_ACTOR_IS_TOPLEVEL = 1 << 1, CLUTTER_ACTOR_IN_REPARENT = 1 << 2, CLUTTER_ACTOR_SYNC_MATRICES = 1 << 3, /* Used by stage to indicate GL * viewport / perspective etc * needs (re)setting. */ CLUTTER_ACTOR_IN_PAINT = 1 << 4, /* Used to avoid recursion */ CLUTTER_ACTOR_IN_RELAYOUT = 1 << 5, /* Used to avoid recursion */ CLUTTER_TEXTURE_IN_CLONE_PAINT = 1 << 6 /* Used for safety in clones */ } ClutterPrivateFlags; typedef enum { CLUTTER_PICK_NONE = 0, CLUTTER_PICK_REACTIVE, CLUTTER_PICK_ALL } ClutterPickMode; struct _ClutterInputDevice { gint id; gint32 motion_last_time; ClutterActor *pointer_grab_actor; ClutterActor *motion_last_actor; gint click_count; gint previous_x; gint previous_y; guint32 previous_time; gint previous_button_number; }; typedef struct _ClutterMainContext ClutterMainContext; struct _ClutterMainContext { ClutterBackend *backend; /* holds a pointer to the windowing system backend */ ClutterStageManager *stage_manager; /* stages */ GQueue *events_queue; /* the main event queue */ guint is_initialized : 1; guint motion_events_per_actor : 1;/* set for enter/leave events */ guint defer_display_setup : 1; guint options_parsed : 1; GTimer *timer; /* Used for debugging scheduler */ ClutterPickMode pick_mode; /* Indicates pick render mode */ guint motion_frequency; /* Motion events per second */ gint num_reactives; /* Num of reactive actors */ ClutterIDPool *id_pool; /* mapping between reused integer ids * and actors */ guint frame_rate; /* Default FPS */ ClutterActor *pointer_grab_actor; /* The actor having the pointer grab * (or NULL if there is no pointer grab */ ClutterActor *keyboard_grab_actor; /* The actor having the pointer grab * (or NULL if there is no pointer * grab) */ GSList *shaders; /* stack of overridden shaders */ ClutterActor *motion_last_actor; /* fb bit masks for col<->id mapping in picking */ gint fb_r_mask, fb_g_mask, fb_b_mask; gint fb_r_mask_used, fb_g_mask_used, fb_b_mask_used; PangoContext *pango_context; /* Global Pango context */ CoglPangoFontMap *font_map; /* Global font map */ GSList *input_devices; /* For extra input devices, i.e MultiTouch */ }; #define CLUTTER_CONTEXT() (clutter_context_get_default ()) ClutterMainContext *clutter_context_get_default (void); PangoContext *_clutter_context_create_pango_context (ClutterMainContext *self); PangoContext *_clutter_context_get_pango_context (ClutterMainContext *self); #define CLUTTER_PRIVATE_FLAGS(a) (((ClutterActor *) (a))->private_flags) #define CLUTTER_SET_PRIVATE_FLAGS(a,f) (CLUTTER_PRIVATE_FLAGS (a) |= (f)) #define CLUTTER_UNSET_PRIVATE_FLAGS(a,f) (CLUTTER_PRIVATE_FLAGS (a) &= ~(f)) #define CLUTTER_PARAM_READABLE \ G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB #define CLUTTER_PARAM_WRITABLE \ G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB #define CLUTTER_PARAM_READWRITE \ G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK |G_PARAM_STATIC_BLURB #define I_(str) (g_intern_static_string ((str))) /* stage manager */ struct _ClutterStageManager { GObject parent_instance; GSList *stages; }; void _clutter_stage_manager_add_stage (ClutterStageManager *stage_manager, ClutterStage *stage); void _clutter_stage_manager_remove_stage (ClutterStageManager *stage_manager, ClutterStage *stage); /* stage */ void _clutter_stage_set_window (ClutterStage *stage, ClutterStageWindow *stage_window); ClutterStageWindow *_clutter_stage_get_window (ClutterStage *stage); ClutterStageWindow *_clutter_stage_get_default_window (void); void _clutter_stage_maybe_setup_viewport (ClutterStage *stage); void _clutter_stage_maybe_relayout (ClutterActor *stage); /* vfuncs implemented by backend */ GType _clutter_backend_impl_get_type (void); void _clutter_backend_redraw (ClutterBackend *backend, ClutterStage *stage); ClutterActor *_clutter_backend_create_stage (ClutterBackend *backend, ClutterStage *wrapper, GError **error); void _clutter_backend_ensure_context (ClutterBackend *backend, ClutterStage *stage); void _clutter_backend_add_options (ClutterBackend *backend, GOptionGroup *group); gboolean _clutter_backend_pre_parse (ClutterBackend *backend, GError **error); gboolean _clutter_backend_post_parse (ClutterBackend *backend, GError **error); void _clutter_backend_init_events (ClutterBackend *backend); ClutterFeatureFlags _clutter_backend_get_features (ClutterBackend *backend); void _clutter_feature_init (void); /* Picking code */ ClutterActor *_clutter_do_pick (ClutterStage *stage, gint x, gint y, ClutterPickMode mode); guint _clutter_pixel_to_id (guchar pixel[4]); void _clutter_id_to_color (guint id, ClutterColor *col); /* use this function as the accumulator if you have a signal with * a G_TYPE_BOOLEAN return value; this will stop the emission as * soon as one handler returns TRUE */ gboolean _clutter_boolean_handled_accumulator (GSignalInvocationHint *ihint, GValue *return_accu, const GValue *handler_return, gpointer dummy); void _clutter_actor_apply_modelview_transform_recursive (ClutterActor *self, ClutterActor *ancestor); void _clutter_actor_set_opacity_parent (ClutterActor *self, ClutterActor *parent); void _clutter_actor_set_enable_model_view_transform (ClutterActor *self, gboolean enable); G_END_DECLS #endif /* _HAVE_CLUTTER_PRIVATE_H */