static void clutter_backend_real_resolution_changed (ClutterBackend *backend) { ClutterBackendPrivate *priv = backend->priv; ClutterMainContext *context; ClutterSettings *settings; gdouble resolution; gint dpi; settings = clutter_settings_get_default (); g_object_get (settings, "font-dpi", &dpi, NULL); if (dpi < 0) resolution = 96.0; else resolution = dpi / 1024.0; context = _clutter_context_get_default (); if (context->font_map != NULL) cogl_pango_font_map_set_resolution (context->font_map, resolution); priv->units_per_em = get_units_per_em (backend, NULL); priv->units_serial += 1; CLUTTER_NOTE (BACKEND, "Units per em: %.2f", priv->units_per_em); }
/* Query if long-press events should be handled and signals emitted */ static void _xfdashboard_click_action_query_long_press(XfdashboardClickAction *self) { XfdashboardClickActionPrivate *priv; ClutterActor *actor; gboolean result; gint timeout; g_return_if_fail(XFDASHBOARD_IS_CLICK_ACTION(self)); priv=self->priv; result=FALSE; /* If no duration was set get default one from settings */ if(priv->longPressDuration<0) { ClutterSettings *settings=clutter_settings_get_default(); g_object_get(settings, "long-press-duration", &timeout, NULL); } else timeout=priv->longPressDuration; /* Emit signal to determine if long-press should be supported */ actor=clutter_actor_meta_get_actor(CLUTTER_ACTOR_META(self)); g_signal_emit(self, XfdashboardClickActionSignals[SIGNAL_LONG_PRESS], 0, actor, CLUTTER_LONG_PRESS_QUERY, &result); if(result) { priv->longPressID=clutter_threads_add_timeout(timeout, _xfdashboard_click_action_emit_long_press, self); } }
static inline void click_action_query_long_press (ClutterClickAction *action) { ClutterClickActionPrivate *priv = action->priv; ClutterActor *actor; gboolean result = FALSE; gint timeout; if (priv->long_press_duration < 0) { ClutterSettings *settings = clutter_settings_get_default (); g_object_get (settings, "long-press-duration", &timeout, NULL); } else timeout = priv->long_press_duration; actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (action)); g_signal_emit (action, click_signals[LONG_PRESS], 0, actor, CLUTTER_LONG_PRESS_QUERY, &result); if (result) { priv->long_press_id = clutter_threads_add_timeout (timeout, click_action_emit_long_press, action); } }
void _clutter_backend_gdk_update_setting (ClutterBackendGdk *backend_gdk, const gchar *setting_name) { ClutterSettings *settings = clutter_settings_get_default (); int i; for (i = 0; i < G_N_ELEMENTS (_clutter_settings_map); i++) { if (g_strcmp0 (CLUTTER_SETTING_GDK_NAME (i), setting_name) == 0) { GValue val = G_VALUE_INIT; g_value_init (&val, CLUTTER_SETTING_TYPE (i)); gdk_screen_get_setting (backend_gdk->screen, CLUTTER_SETTING_GDK_NAME (i), &val); g_object_set_property (G_OBJECT (settings), CLUTTER_SETTING_PROPERTY (i), &val); g_value_unset (&val); break; } } }
/** * clutter_backend_set_double_click_distance: * @backend: a #ClutterBackend * @distance: a distance, in pixels * * Sets the maximum distance used to verify a double click event. * * Since: 0.4 * * Deprecated: 1.4: Use #ClutterSettings:double-click-distance instead */ void clutter_backend_set_double_click_distance (ClutterBackend *backend, guint distance) { ClutterSettings *settings = clutter_settings_get_default (); g_object_set (settings, "double-click-distance", distance, NULL); }
/** * clutter_backend_set_double_click_time: * @backend: a #ClutterBackend * @msec: milliseconds between two button press events * * Sets the maximum time between two button press events, used to * verify whether it's a double click event or not. * * Since: 0.4 * * Deprecated: 1.4: Use #ClutterSettings:double-click-time instead */ void clutter_backend_set_double_click_time (ClutterBackend *backend, guint msec) { ClutterSettings *settings = clutter_settings_get_default (); g_object_set (settings, "double-click-time", msec, NULL); }
static gint gesture_get_default_threshold (void) { gint threshold; ClutterSettings *settings = clutter_settings_get_default (); g_object_get (settings, "dnd-drag-threshold", &threshold, NULL); return threshold; }
/** * clutter_backend_set_font_name: * @backend: a #ClutterBackend * @font_name: the name of the font * * Sets the default font to be used by Clutter. The @font_name string * must either be %NULL, which means that the font name from the * default #ClutterBackend will be used; or be something that can * be parsed by the pango_font_description_from_string() function. * * Since: 1.0 * * Deprecated: 1.4: Use #ClutterSettings:font-name instead */ void clutter_backend_set_font_name (ClutterBackend *backend, const gchar *font_name) { ClutterSettings *settings = clutter_settings_get_default (); g_object_set (settings, "font-name", font_name, NULL); }
/** * clutter_backend_get_double_click_time: * @backend: a #ClutterBackend * * Gets the maximum time between two button press events, as set * by clutter_backend_set_double_click_time(). * * Return value: a time in milliseconds * * Since: 0.4 * * Deprecated: 1.4: Use #ClutterSettings:double-click-time instead */ guint clutter_backend_get_double_click_time (ClutterBackend *backend) { ClutterSettings *settings = clutter_settings_get_default (); gint retval; g_object_get (settings, "double-click-time", &retval, NULL); return retval; }
static gfloat get_units_per_em (ClutterBackend *backend, PangoFontDescription *font_desc) { gfloat units_per_em = -1.0; gboolean free_font_desc = FALSE; gdouble dpi; dpi = clutter_backend_get_resolution (backend); if (font_desc == NULL) { ClutterSettings *settings; gchar *font_name = NULL; settings = clutter_settings_get_default (); g_object_get (settings, "font-name", &font_name, NULL); if (G_LIKELY (font_name != NULL && *font_name != '\0')) { font_desc = pango_font_description_from_string (font_name); free_font_desc = TRUE; g_free (font_name); } } if (font_desc != NULL) { gdouble font_size = 0; gint pango_size; gboolean is_absolute; pango_size = pango_font_description_get_size (font_desc); is_absolute = pango_font_description_get_size_is_absolute (font_desc); /* "absolute" means "device units" (usually, pixels); otherwise, * it means logical units (points) */ if (is_absolute) font_size = (gdouble) pango_size / PANGO_SCALE; else font_size = dpi * ((gdouble) pango_size / PANGO_SCALE) / 72.0f; /* 10 points at 96 DPI is 13.3 pixels */ units_per_em = (1.2f * font_size) * dpi / 96.0f; } else units_per_em = -1.0f; if (free_font_desc) pango_font_description_free (font_desc); return units_per_em; }
static gboolean clutter_backend_wayland_post_parse (ClutterBackend *backend, GError **error) { ClutterBackendWayland *backend_wayland = CLUTTER_BACKEND_WAYLAND (backend); /* TODO: expose environment variable/commandline option for this... */ backend_wayland->wayland_display = wl_display_connect (NULL); if (!backend_wayland->wayland_display) { g_set_error (error, CLUTTER_INIT_ERROR, CLUTTER_INIT_ERROR_BACKEND, "Failed to open Wayland display socket"); return FALSE; } backend_wayland->wayland_registry = wl_display_get_registry (backend_wayland->wayland_display); backend_wayland->wayland_source = _clutter_event_source_wayland_new (backend_wayland->wayland_display); g_source_attach (backend_wayland->wayland_source, NULL); g_object_set (clutter_settings_get_default (), "font-dpi", 96 * 1024, NULL); /* XXX: We require the device manager to exist as soon as we connect to the * compositor and setup an event handler because we will immediately be * notified of the available input devices which need to be associated with * the device-manager. * * FIXME: At some point we could perhaps just collapse the * _clutter_backend_post_parse(), and _clutter_backend_init_events() * functions into one called something like _clutter_backend_init() which * would allow the real backend to manage the precise order of * initialization. */ backend_wayland->device_manager = _clutter_device_manager_wayland_new (backend); /* Set up listener so we'll catch all events. */ wl_registry_add_listener (backend_wayland->wayland_registry, &wayland_registry_listener, backend_wayland); /* Wait until we have been notified about the compositor and shell objects */ while (!(backend_wayland->wayland_compositor && backend_wayland->wayland_shell)) wl_display_roundtrip (backend_wayland->wayland_display); /* We need the shm object before we can create the cursor */ clutter_backend_wayland_load_cursor (backend_wayland); return TRUE; }
static gboolean gesture_begin (ClutterGestureAction *action, ClutterActor *actor) { ClutterSwipeActionPrivate *priv = CLUTTER_SWIPE_ACTION (action)->priv; ClutterSettings *settings = clutter_settings_get_default (); /* reset the state at the beginning of a new gesture */ priv->h_direction = 0; priv->v_direction = 0; g_object_get (settings, "dnd-drag-threshold", &priv->threshold, NULL); return TRUE; }
/** * clutter_backend_get_resolution: * @backend: a #ClutterBackend * * Gets the resolution for font handling on the screen. * * The resolution is a scale factor between points specified in a * #PangoFontDescription and cairo units. The default value is 96.0, * meaning that a 10 point font will be 13 units * high (10 * 96. / 72. = 13.3). * * Clutter will set the resolution using the current backend when * initializing; the resolution is also stored in the * #ClutterSettings:font-dpi property. * * Return value: the current resolution, or -1 if no resolution * has been set. * * Since: 0.4 */ gdouble clutter_backend_get_resolution (ClutterBackend *backend) { ClutterSettings *settings; gint resolution; g_return_val_if_fail (CLUTTER_IS_BACKEND (backend), -1.0); settings = clutter_settings_get_default (); g_object_get (settings, "font-dpi", &resolution, NULL); if (resolution < 0) return 96.0; return resolution / 1024.0; }
/** * clutter_backend_get_font_name: * @backend: a #ClutterBackend * * Retrieves the default font name as set by * clutter_backend_set_font_name(). * * Return value: the font name for the backend. The returned string is * owned by the #ClutterBackend and should never be modified or freed * * Since: 1.0 * * Deprecated: 1.4: Use #ClutterSettings:font-name instead */ const gchar * clutter_backend_get_font_name (ClutterBackend *backend) { ClutterSettings *settings; g_return_val_if_fail (CLUTTER_IS_BACKEND (backend), NULL); settings = clutter_settings_get_default (); /* XXX yuck. but we return a const pointer, so we need to * store it in the backend */ g_free (backend->font_name); g_object_get (settings, "font-name", &backend->font_name, NULL); return backend->font_name; }
/** * clutter_backend_set_resolution: * @backend: a #ClutterBackend * @dpi: the resolution in "dots per inch" (Physical inches aren't * actually involved; the terminology is conventional). * * Sets the resolution for font handling on the screen. This is a * scale factor between points specified in a #PangoFontDescription * and cairo units. The default value is 96, meaning that a 10 point * font will be 13 units high. (10 * 96. / 72. = 13.3). * * Applications should never need to call this function. * * Since: 0.4 * * Deprecated: 1.4: Use #ClutterSettings:font-dpi instead */ void clutter_backend_set_resolution (ClutterBackend *backend, gdouble dpi) { ClutterSettings *settings; gint resolution; g_return_if_fail (CLUTTER_IS_BACKEND (backend)); if (dpi < 0) resolution = -1; else resolution = dpi * 1024; settings = clutter_settings_get_default (); g_object_set (settings, "font-dpi", resolution, NULL); }
static void clutter_backend_gdk_init_settings (ClutterBackendGdk *backend_gdk) { ClutterSettings *settings = clutter_settings_get_default (); int i; for (i = 0; i < G_N_ELEMENTS (_clutter_settings_map); i++) { GValue val = G_VALUE_INIT; g_value_init (&val, CLUTTER_SETTING_TYPE(i)); gdk_screen_get_setting (backend_gdk->screen, CLUTTER_SETTING_GDK_NAME(i), &val); g_object_set_property (G_OBJECT (settings), CLUTTER_SETTING_PROPERTY(i), &val); g_value_unset (&val); } }
static void mx_label_font_description_cb (ClutterText *text, GParamSpec *pspec, MxLabel *self) { PangoFontDescription *font; MxLabelPrivate *priv = self->priv; /* Find out the em-width - code pretty much copied from Clutter, * clutter-backend.c, get_units_per_em () */ font = clutter_text_get_font_description (text); if (font) { gint i_dpi; gdouble dpi; gdouble font_size = 0; gint pango_size = pango_font_description_get_size (font); ClutterSettings *settings = clutter_settings_get_default (); g_object_get (G_OBJECT (settings), "font-dpi", &i_dpi, NULL); dpi = i_dpi / 1024.0; if (pango_font_description_get_size_is_absolute (font)) font_size = pango_size / PANGO_SCALE; else font_size = pango_size / PANGO_SCALE * dpi / 96.f; priv->em_width = (1.2f * font_size) * dpi / 96.f; mx_fade_effect_set_border (MX_FADE_EFFECT (priv->fade_effect), 0, priv->em_width * 5, 0, 0); } }
static gboolean on_event (ClutterActor *actor, ClutterEvent *event, ClutterClickAction *action) { ClutterClickActionPrivate *priv = action->priv; gboolean has_button = TRUE; if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (action))) return CLUTTER_EVENT_PROPAGATE; switch (clutter_event_type (event)) { case CLUTTER_TOUCH_BEGIN: has_button = FALSE; case CLUTTER_BUTTON_PRESS: if (has_button && clutter_event_get_click_count (event) != 1) return CLUTTER_EVENT_PROPAGATE; if (priv->is_held) return CLUTTER_EVENT_STOP; if (!clutter_actor_contains (actor, clutter_event_get_source (event))) return CLUTTER_EVENT_PROPAGATE; priv->press_button = has_button ? clutter_event_get_button (event) : 0; priv->press_device_id = clutter_event_get_device_id (event); priv->press_sequence = clutter_event_get_event_sequence (event); priv->modifier_state = clutter_event_get_state (event); clutter_event_get_coords (event, &priv->press_x, &priv->press_y); if (priv->long_press_threshold < 0) { ClutterSettings *settings = clutter_settings_get_default (); g_object_get (settings, "dnd-drag-threshold", &priv->drag_threshold, NULL); } else priv->drag_threshold = priv->long_press_threshold; if (priv->stage == NULL) priv->stage = clutter_actor_get_stage (actor); priv->capture_id = g_signal_connect_after (priv->stage, "captured-event", G_CALLBACK (on_captured_event), action); click_action_set_pressed (action, TRUE); click_action_set_held (action, TRUE); click_action_query_long_press (action); break; case CLUTTER_ENTER: click_action_set_pressed (action, priv->is_held); break; case CLUTTER_LEAVE: click_action_set_pressed (action, priv->is_held); click_action_cancel_long_press (action); break; default: break; } return CLUTTER_EVENT_PROPAGATE; }
/* An event was received */ static gboolean _xfdashboard_click_action_on_event(XfdashboardClickAction *self, ClutterEvent *inEvent, gpointer inUserData) { XfdashboardClickActionPrivate *priv; gboolean hasButton; ClutterActor *actor; g_return_val_if_fail(XFDASHBOARD_IS_CLICK_ACTION(self), CLUTTER_EVENT_PROPAGATE); g_return_val_if_fail(CLUTTER_IS_ACTOR(inUserData), CLUTTER_EVENT_PROPAGATE); priv=self->priv; hasButton=TRUE; actor=CLUTTER_ACTOR(inUserData); /* Check if actor is enabled to handle events */ if(!clutter_actor_meta_get_enabled(CLUTTER_ACTOR_META(self))) return(CLUTTER_EVENT_PROPAGATE); /* Handle event */ switch(clutter_event_type(inEvent)) { case CLUTTER_TOUCH_BEGIN: hasButton=FALSE; case CLUTTER_BUTTON_PRESS: /* We only handle single clicks if it is pointer device */ if(hasButton && clutter_event_get_click_count(inEvent)!=1) { return(CLUTTER_EVENT_PROPAGATE); } /* Do we already held the press? */ if(priv->isHeld) return(CLUTTER_EVENT_STOP); /* Is the source of event a child of this actor. If not do * not handle this event but any other. */ if(!clutter_actor_contains(actor, clutter_event_get_source(inEvent))) { return(CLUTTER_EVENT_PROPAGATE); } /* Remember event data */ priv->pressButton=hasButton ? clutter_event_get_button(inEvent) : 0; priv->pressDeviceID=clutter_event_get_device_id(inEvent); priv->pressSequence=clutter_event_get_event_sequence(inEvent); priv->modifierState=clutter_event_get_state(inEvent); clutter_event_get_coords(inEvent, &priv->pressX, &priv->pressY); if(priv->longPressThreshold<0) { ClutterSettings *settings=clutter_settings_get_default(); g_object_get(settings, "dnd-drag-threshold", &priv->dragThreshold, NULL); } else priv->dragThreshold=priv->longPressThreshold; if(priv->stage==NULL) priv->stage=clutter_actor_get_stage(actor); /* Connect signals */ priv->captureID=g_signal_connect_object(priv->stage, "captured-event", G_CALLBACK(_xfdashboard_click_action_on_captured_event), self, G_CONNECT_AFTER | G_CONNECT_SWAPPED); /* Set state of this action */ _xfdashboard_click_action_set_pressed(self, TRUE); _xfdashboard_click_action_set_held(self, TRUE); _xfdashboard_click_action_query_long_press(self); break; case CLUTTER_ENTER: _xfdashboard_click_action_set_pressed(self, priv->isHeld); break; case CLUTTER_LEAVE: _xfdashboard_click_action_set_pressed(self, priv->isHeld); _xfdashboard_click_action_cancel_long_press(self); break; default: break; } return(CLUTTER_EVENT_PROPAGATE); }
/** * meta_init: (skip) * * Initialize mutter. Call this after meta_get_option_context() and * meta_plugin_manager_set_plugin_type(), and before meta_run(). */ void meta_init (void) { struct sigaction act; sigset_t empty_mask; ClutterSettings *clutter_settings; sigemptyset (&empty_mask); act.sa_handler = SIG_IGN; act.sa_mask = empty_mask; act.sa_flags = 0; if (sigaction (SIGPIPE, &act, NULL) < 0) g_printerr ("Failed to register SIGPIPE handler: %s\n", g_strerror (errno)); #ifdef SIGXFSZ if (sigaction (SIGXFSZ, &act, NULL) < 0) g_printerr ("Failed to register SIGXFSZ handler: %s\n", g_strerror (errno)); #endif g_unix_signal_add (SIGTERM, on_sigterm, NULL); if (g_getenv ("MUTTER_VERBOSE")) meta_set_verbose (TRUE); if (g_getenv ("MUTTER_DEBUG")) meta_set_debugging (TRUE); #if defined(CLUTTER_WINDOWING_EGL) && defined(HAVE_NATIVE_BACKEND) if (opt_display_server) clutter_set_windowing_backend (CLUTTER_WINDOWING_EGL); #endif meta_set_is_wayland_compositor (opt_wayland); if (g_get_home_dir ()) if (chdir (g_get_home_dir ()) < 0) meta_warning ("Could not change to home directory %s.\n", g_get_home_dir ()); meta_print_self_identity (); #ifdef HAVE_INTROSPECTION g_irepository_prepend_search_path (MUTTER_PKGLIBDIR); #endif if (meta_is_wayland_compositor ()) { /* NB: When running as a hybrid wayland compositor we run our own headless X * server so the user can't control the X display to connect too. */ meta_wayland_init (); } else meta_select_display (opt_display_name); meta_set_syncing (opt_sync || (g_getenv ("MUTTER_SYNC") != NULL)); if (opt_replace_wm) meta_set_replace_current_wm (TRUE); if (opt_save_file && opt_client_id) meta_fatal ("Can't specify both SM save file and SM client id\n"); meta_main_loop = g_main_loop_new (NULL, FALSE); meta_ui_init (); /* If we are running with wayland then we don't wait until we have * an X connection before initializing clutter we instead initialize * it earlier since we need to initialize the GL driver so the driver * can register any needed wayland extensions. */ if (!meta_is_wayland_compositor ()) { /* * Clutter can only be initialized after the UI. */ meta_clutter_init (); } meta_restart_init (); /* * XXX: We cannot handle high dpi scaling yet, so fix the scale to 1 * for now. */ clutter_settings = clutter_settings_get_default (); g_object_set (clutter_settings, "window-scaling-factor", 1, NULL); }
int main (int argc, char **argv) { bool standalone = false; char const *geometry = NULL; int dpi = 0; GOptionEntry _options[] = { { "standalone", 's', 0, G_OPTION_ARG_NONE, &standalone, "Run as standalone app (for testing purpose)", NULL }, { "geometry", 'g', 0, G_OPTION_ARG_STRING, &geometry, "Window geometry in standalone mode", NULL }, #if CLUTTER_CHECK_VERSION(1, 3, 0) { "clutter-font-dpi", 'd', 0, G_OPTION_ARG_INT, &dpi, "Set clutter font resolution to <dpi>", "<dpi>" }, #endif { NULL } }; ClutterActor *shell; GOptionContext *context; ClutterInitError clutter_error; GError *error = NULL; setlocale (LC_ALL, ""); bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR); bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); textdomain (GETTEXT_PACKAGE); context = g_option_context_new ("- Dawati devices panel"); g_option_context_add_main_entries (context, _options, GETTEXT_PACKAGE); g_option_context_add_group (context, clutter_get_option_group_without_init ()); if (!g_option_context_parse (context, &argc, &argv, &error)) { g_critical ("%s %s", G_STRLOC, error->message); g_critical ("Starting in standalone mode."); g_clear_error (&error); standalone = true; } g_option_context_free (context); clutter_error = clutter_init (&argc, &argv); if (clutter_error != CLUTTER_INIT_SUCCESS) { g_critical ("Unable to initialise clutter"); return EXIT_FAILURE; } notify_init (_("Dawati Devices Panel")); /* Just for icon theme, no widgets. */ gtk_init (&argc, &argv); if (dpi) { #if CLUTTER_CHECK_VERSION(1, 3, 0) ClutterSettings *settings = clutter_settings_get_default (); g_object_set (settings, "font-dpi", dpi * 1000, NULL); #endif } /* Load base styling for default font size */ mpl_panel_clutter_load_base_style (); mx_texture_cache_load_cache (mx_texture_cache_get_default (), PKGDATADIR "/mx.cache"); mx_style_load_from_file (mx_style_get_default (), THEMEDIR "/panel.css", NULL); if (standalone) { ClutterActor *stage = clutter_stage_get_default (); if (geometry) { int x, y; unsigned int width, height; XParseGeometry (geometry, &x, &y, &width, &height); clutter_actor_set_size (stage, width, height); } else { clutter_actor_set_size (stage, MPD_SHELL_WIDTH, MPD_SHELL_HEIGHT); } shell = mpd_shell_new (); g_signal_connect (shell, "request-hide", G_CALLBACK (_shell_request_hide_cb), NULL); g_signal_connect (stage, "notify::width", G_CALLBACK (_stage_width_notify_cb), shell); g_signal_connect (stage, "notify::height", G_CALLBACK (_stage_height_notify_cb), shell); clutter_container_add_actor (CLUTTER_CONTAINER (stage), shell); clutter_actor_show_all (stage); } else { MplPanelClient *panel = mpd_panel_new ("devices", _("devices"), "devices-button"); shell = mpd_shell_new (); mpd_shell_set_client (MPD_SHELL (shell), panel); g_signal_connect (shell, "request-hide", G_CALLBACK (_shell_request_hide_cb), panel); g_signal_connect (shell, "request-show", G_CALLBACK (_shell_request_show_cb), panel); g_signal_connect (panel, "size-changed", G_CALLBACK (_panel_set_size_cb), shell); clutter_container_add_actor (CLUTTER_CONTAINER (panel), shell); } clutter_main (); return EXIT_SUCCESS; }
static void clutter_backend_x11_xsettings_notify (const char *name, XSettingsAction action, XSettingsSetting *setting, void *cb_data) { ClutterSettings *settings = clutter_settings_get_default (); gint i; if (name == NULL || *name == '\0') return; if (setting == NULL) return; g_object_freeze_notify (G_OBJECT (settings)); for (i = 0; i < _n_clutter_settings_map; i++) { if (g_strcmp0 (name, CLUTTER_SETTING_X11_NAME (i)) == 0) { GValue value = G_VALUE_INIT; switch (setting->type) { case XSETTINGS_TYPE_INT: g_value_init (&value, G_TYPE_INT); g_value_set_int (&value, setting->data.v_int); break; case XSETTINGS_TYPE_STRING: g_value_init (&value, G_TYPE_STRING); g_value_set_string (&value, setting->data.v_string); break; case XSETTINGS_TYPE_COLOR: { ClutterColor color; color.red = (guint8) ((float) setting->data.v_color.red / 65535.0 * 255); color.green = (guint8) ((float) setting->data.v_color.green / 65535.0 * 255); color.blue = (guint8) ((float) setting->data.v_color.blue / 65535.0 * 255); color.alpha = (guint8) ((float) setting->data.v_color.alpha / 65535.0 * 255); g_value_init (&value, G_TYPE_BOXED); clutter_value_set_color (&value, &color); } break; } CLUTTER_NOTE (BACKEND, "Mapping XSETTING '%s' to 'ClutterSettings:%s'", CLUTTER_SETTING_X11_NAME (i), CLUTTER_SETTING_PROPERTY (i)); clutter_settings_set_property_internal (settings, CLUTTER_SETTING_PROPERTY (i), &value); g_value_unset (&value); break; } } g_object_thaw_notify (G_OBJECT (settings)); }
static gboolean clutter_backend_x11_post_parse (ClutterBackend *backend, GError **error) { ClutterBackendX11 *backend_x11 = CLUTTER_BACKEND_X11 (backend); ClutterSettings *settings; Atom atoms[N_ATOM_NAMES]; double dpi; if (_foreign_dpy) backend_x11->xdpy = _foreign_dpy; /* Only open connection if not already set by prior call to * clutter_x11_set_display() */ if (backend_x11->xdpy == NULL) { if (clutter_display_name != NULL && *clutter_display_name != '\0') { CLUTTER_NOTE (BACKEND, "XOpenDisplay on '%s'", clutter_display_name); backend_x11->xdpy = XOpenDisplay (clutter_display_name); if (backend_x11->xdpy == NULL) { g_set_error (error, CLUTTER_INIT_ERROR, CLUTTER_INIT_ERROR_BACKEND, "Unable to open display '%s'", clutter_display_name); return FALSE; } } else { g_set_error_literal (error, CLUTTER_INIT_ERROR, CLUTTER_INIT_ERROR_BACKEND, "Unable to open display. You have to set the " "DISPLAY environment variable, or use the " "--display command line argument"); return FALSE; } } g_assert (backend_x11->xdpy != NULL); CLUTTER_NOTE (BACKEND, "Getting the X screen"); settings = clutter_settings_get_default (); /* add event filter for Cogl events */ clutter_x11_add_filter (cogl_xlib_filter, backend); if (clutter_screen == -1) backend_x11->xscreen = DefaultScreenOfDisplay (backend_x11->xdpy); else backend_x11->xscreen = ScreenOfDisplay (backend_x11->xdpy, clutter_screen); backend_x11->xscreen_num = XScreenNumberOfScreen (backend_x11->xscreen); backend_x11->xscreen_width = WidthOfScreen (backend_x11->xscreen); backend_x11->xscreen_height = HeightOfScreen (backend_x11->xscreen); backend_x11->xwin_root = RootWindow (backend_x11->xdpy, backend_x11->xscreen_num); backend_x11->display_name = g_strdup (clutter_display_name); dpi = (((double) DisplayHeight (backend_x11->xdpy, backend_x11->xscreen_num) * 25.4) / (double) DisplayHeightMM (backend_x11->xdpy, backend_x11->xscreen_num)); g_object_set (settings, "font-dpi", (int) dpi * 1024, NULL); /* create XSETTINGS client */ backend_x11->xsettings = _clutter_xsettings_client_new (backend_x11->xdpy, backend_x11->xscreen_num, clutter_backend_x11_xsettings_notify, NULL, backend_x11); /* add event filter for XSETTINGS events */ clutter_x11_add_filter (xsettings_filter, backend_x11); if (clutter_synchronise) XSynchronize (backend_x11->xdpy, True); XInternAtoms (backend_x11->xdpy, (char **) atom_names, N_ATOM_NAMES, False, atoms); backend_x11->atom_NET_WM_PID = atoms[0]; backend_x11->atom_NET_WM_PING = atoms[1]; backend_x11->atom_NET_WM_STATE = atoms[2]; backend_x11->atom_NET_WM_STATE_FULLSCREEN = atoms[3]; backend_x11->atom_NET_WM_USER_TIME = atoms[4]; backend_x11->atom_WM_PROTOCOLS = atoms[5]; backend_x11->atom_WM_DELETE_WINDOW = atoms[6]; backend_x11->atom_XEMBED = atoms[7]; backend_x11->atom_XEMBED_INFO = atoms[8]; backend_x11->atom_NET_WM_NAME = atoms[9]; backend_x11->atom_UTF8_STRING = atoms[10]; g_free (clutter_display_name); CLUTTER_NOTE (BACKEND, "X Display '%s'[%p] opened (screen:%d, root:%u, dpi:%f)", backend_x11->display_name, backend_x11->xdpy, backend_x11->xscreen_num, (unsigned int) backend_x11->xwin_root, clutter_backend_get_resolution (backend)); return TRUE; }
static void clutter_canvas_emit_draw (ClutterCanvas *self) { ClutterCanvasPrivate *priv = self->priv; int real_width, real_height; cairo_surface_t *surface; gboolean mapped_buffer; unsigned char *data; CoglBuffer *buffer; int window_scale = 1; gboolean res; cairo_t *cr; g_assert (priv->height > 0 && priv->width > 0); priv->dirty = TRUE; if (priv->scale_factor_set) window_scale = priv->scale_factor; else g_object_get (clutter_settings_get_default (), "window-scaling-factor", &window_scale, NULL); real_width = priv->width * window_scale; real_height = priv->height * window_scale; CLUTTER_NOTE (MISC, "Creating Cairo surface with size %d x %d (real: %d x %d, scale: %d)", priv->width, priv->height, real_width, real_height, window_scale); if (priv->buffer == NULL) { CoglContext *ctx; ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ()); priv->buffer = cogl_bitmap_new_with_size (ctx, real_width, real_height, CLUTTER_CAIRO_FORMAT_ARGB32); } buffer = COGL_BUFFER (cogl_bitmap_get_buffer (priv->buffer)); if (buffer == NULL) return; cogl_buffer_set_update_hint (buffer, COGL_BUFFER_UPDATE_HINT_DYNAMIC); data = cogl_buffer_map (buffer, COGL_BUFFER_ACCESS_READ_WRITE, COGL_BUFFER_MAP_HINT_DISCARD); if (data != NULL) { int bitmap_stride = cogl_bitmap_get_rowstride (priv->buffer); surface = cairo_image_surface_create_for_data (data, CAIRO_FORMAT_ARGB32, real_width, real_height, bitmap_stride); mapped_buffer = TRUE; } else { surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, real_width, real_height); mapped_buffer = FALSE; } cairo_surface_set_device_scale (surface, window_scale, window_scale); self->priv->cr = cr = cairo_create (surface); g_signal_emit (self, canvas_signals[DRAW], 0, cr, priv->width, priv->height, &res); #ifdef CLUTTER_ENABLE_DEBUG if (_clutter_diagnostic_enabled () && cairo_status (cr)) { g_warning ("Drawing failed for <ClutterCanvas>[%p]: %s", self, cairo_status_to_string (cairo_status (cr))); } #endif self->priv->cr = NULL; cairo_destroy (cr); if (mapped_buffer) cogl_buffer_unmap (buffer); else { int size = cairo_image_surface_get_stride (surface) * priv->height; cogl_buffer_set_data (buffer, 0, cairo_image_surface_get_data (surface), size); } cairo_surface_destroy (surface); }