/* * 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, see . * * */ #ifndef __CLUTTER_PRIVATE_H__ #define __CLUTTER_PRIVATE_H__ #include #include #include #include #include #include "pango/cogl-pango.h" #include "clutter-backend.h" #include "clutter-device-manager.h" #include "clutter-effect.h" #include "clutter-event.h" #include "clutter-feature.h" #include "clutter-id-pool.h" #include "clutter-layout-manager.h" #include "clutter-master-clock.h" #include "clutter-settings.h" #include "clutter-stage-manager.h" #include "clutter-stage-window.h" #include "clutter-stage.h" #include "clutter-timeline.h" G_BEGIN_DECLS typedef struct _ClutterMainContext ClutterMainContext; 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, /* Used by the stage to indicate GL viewport / perspective etc needs * (re)setting. */ CLUTTER_ACTOR_SYNC_MATRICES = 1 << 3, /* Used to avoid recursion */ CLUTTER_ACTOR_IN_PAINT = 1 << 4, /* Used to avoid recursion */ CLUTTER_ACTOR_IN_RELAYOUT = 1 << 5, /* Used by the stage if resizing is an asynchronous operation (like on * X11) to delay queueing relayouts until we got a notification from the * event handling */ CLUTTER_STAGE_IN_RESIZE = 1 << 6, /* a flag for internal children of Containers */ CLUTTER_ACTOR_INTERNAL_CHILD = 1 << 7 } ClutterPrivateFlags; struct _ClutterInputDevice { GObject parent_instance; gint id; ClutterInputDeviceType device_type; gchar *device_name; /* the actor underneath the pointer */ ClutterActor *cursor_actor; /* the actor that has a grab in place for the device */ ClutterActor *pointer_grab_actor; /* the current click count */ gint click_count; /* the stage the device is on */ ClutterStage *stage; /* the current state */ gint current_x; gint current_y; guint32 current_time; gint current_button_number; ClutterModifierType current_state; /* the previous state, used for click count generation */ gint previous_x; gint previous_y; guint32 previous_time; gint previous_button_number; ClutterModifierType previous_state; }; struct _ClutterStageManager { GObject parent_instance; GSList *stages; }; struct _ClutterMainContext { ClutterBackend *backend; /* holds a pointer to the windowing system backend */ 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 */ 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 */ ClutterEvent *current_event; guint32 last_event_time; gulong redraw_count; GList *repaint_funcs; ClutterSettings *settings; }; #define CLUTTER_CONTEXT() (_clutter_context_get_default ()) ClutterMainContext *_clutter_context_get_default (void); gboolean _clutter_context_is_initialized (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))) /* device manager */ void _clutter_device_manager_add_device (ClutterDeviceManager *device_manager, ClutterInputDevice *device); void _clutter_device_manager_remove_device (ClutterDeviceManager *device_manager, ClutterInputDevice *device); void _clutter_device_manager_update_devices (ClutterDeviceManager *device_manager); /* input device */ void _clutter_input_device_set_coords (ClutterInputDevice *device, gint x, gint y); void _clutter_input_device_set_state (ClutterInputDevice *device, ClutterModifierType state); void _clutter_input_device_set_time (ClutterInputDevice *device, guint32 time_); void _clutter_input_device_set_stage (ClutterInputDevice *device, ClutterStage *stage); void _clutter_input_device_set_actor (ClutterInputDevice *device, ClutterActor *actor); ClutterActor *_clutter_input_device_update (ClutterInputDevice *device); /* stage manager */ void _clutter_stage_manager_add_stage (ClutterStageManager *stage_manager, ClutterStage *stage); void _clutter_stage_manager_remove_stage (ClutterStageManager *stage_manager, ClutterStage *stage); void _clutter_stage_manager_set_default_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); gboolean _clutter_stage_needs_update (ClutterStage *stage); gboolean _clutter_stage_do_update (ClutterStage *stage); void _clutter_stage_queue_event (ClutterStage *stage, ClutterEvent *event); gboolean _clutter_stage_has_queued_events (ClutterStage *stage); void _clutter_stage_process_queued_events (ClutterStage *stage); void _clutter_stage_update_input_devices (ClutterStage *stage); int _clutter_stage_get_pending_swaps (ClutterStage *stage); gboolean _clutter_stage_has_full_redraw_queued (ClutterStage *stage); /* vfuncs implemented by backend */ GType _clutter_backend_impl_get_type (void); void _clutter_backend_redraw (ClutterBackend *backend, ClutterStage *stage); ClutterStageWindow *_clutter_backend_create_stage (ClutterBackend *backend, ClutterStage *wrapper, GError **error); void _clutter_backend_ensure_context (ClutterBackend *backend, ClutterStage *stage); void _clutter_backend_ensure_context_internal (ClutterBackend *backend, ClutterStage *stage); gboolean _clutter_backend_create_context (ClutterBackend *backend, GError **error); 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); gfloat _clutter_backend_get_units_per_em (ClutterBackend *backend, PangoFontDescription *font_desc); gboolean _clutter_feature_init (GError **error); /* Reinjecting queued events for processing */ void _clutter_process_event (ClutterEvent *event); /* Picking code */ ClutterActor *_clutter_do_pick (ClutterStage *stage, gint x, gint y, ClutterPickMode mode); /* the actual redraw */ void _clutter_do_redraw (ClutterStage *stage); 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_rerealize (ClutterActor *self, ClutterCallback callback, void *data); void _clutter_actor_set_opacity_parent (ClutterActor *self, ClutterActor *parent); void _clutter_actor_set_enable_model_view_transform (ClutterActor *self, gboolean enable); void _clutter_actor_set_enable_paint_unmapped (ClutterActor *self, gboolean enable); void _clutter_actor_set_has_pointer (ClutterActor *self, gboolean has_pointer); void _clutter_actor_transform_and_project_box (ClutterActor *self, const ClutterActorBox *box, ClutterVertex verts[]); void _clutter_actor_queue_redraw_with_clip (ClutterActor *self, ClutterRedrawFlags flags, ClutterActorBox *clip); const ClutterActorBox *_clutter_actor_get_queue_redraw_clip (ClutterActor *self); void _clutter_actor_set_queue_redraw_clip (ClutterActor *self, const ClutterActorBox *clip); void _clutter_run_repaint_functions (void); gint32 _clutter_backend_get_units_serial (ClutterBackend *backend); gboolean _clutter_effect_pre_paint (ClutterEffect *effect); void _clutter_effect_post_paint (ClutterEffect *effect); GType _clutter_layout_manager_get_child_meta_type (ClutterLayoutManager *manager); G_END_DECLS #endif /* _HAVE_CLUTTER_PRIVATE_H */