/* Perform full initialization of this application instance */
static gboolean _xfdashboard_application_initialize_full(XfdashboardApplication *self, XfdashboardStage **outStage)
{
XfdashboardApplicationPrivate *priv;
GError *error;
ClutterActor *stage;
#if !GARCON_CHECK_VERSION(0,3,0)
const gchar *desktop;
#endif
g_return_val_if_fail(XFDASHBOARD_IS_APPLICATION(self), FALSE);
g_return_val_if_fail(outStage==NULL || *outStage==NULL, FALSE);
priv=self->priv;
error=NULL;
/* Initialize garcon for current desktop environment */
#if !GARCON_CHECK_VERSION(0,3,0)
desktop=g_getenv("XDG_CURRENT_DESKTOP");
if(G_LIKELY(desktop==NULL))
{
/* If we could not determine current desktop environment
* assume Xfce as this application is developed for this DE.
*/
desktop="XFCE";
}
/* If desktop enviroment was found but has no name
* set NULL to get all menu items shown.
*/
else if(*desktop==0) desktop=NULL;
garcon_set_environment(desktop);
#else
garcon_set_environment_xdg(GARCON_ENVIRONMENT_XFCE);
#endif
/* Setup the session management */
priv->sessionManagementClient=xfce_sm_client_get();
xfce_sm_client_set_priority(priv->sessionManagementClient, XFCE_SM_CLIENT_PRIORITY_DEFAULT);
xfce_sm_client_set_restart_style(priv->sessionManagementClient, XFCE_SM_CLIENT_RESTART_IMMEDIATELY);
g_signal_connect_swapped(priv->sessionManagementClient, "quit", G_CALLBACK(_xfdashboard_application_on_session_quit), self);
if(!xfce_sm_client_connect(priv->sessionManagementClient, &error))
{
g_warning("Failed to connect to session manager: %s",
(error && error->message) ? error->message : _("unknown error"));
g_clear_error(&error);
}
/* Initialize xfconf */
if(!xfconf_init(&error))
{
g_critical(_("Could not initialize xfconf: %s"),
(error && error->message) ? error->message : _("unknown error"));
if(error) g_error_free(error);
return(FALSE);
}
priv->xfconfChannel=xfconf_channel_get(XFDASHBOARD_XFCONF_CHANNEL);
/* Set up keyboard and pointer bindings */
priv->bindings=xfdashboard_bindings_pool_get_default();
if(!priv->bindings)
{
g_critical(_("Could not initialize bindings"));
return(FALSE);
}
if(!xfdashboard_bindings_pool_load(priv->bindings, &error))
{
g_critical(_("Could not load bindings: %s"),
(error && error->message) ? error->message : _("unknown error"));
if(error!=NULL) g_error_free(error);
return(FALSE);
}
/* Set up application database */
priv->appDatabase=xfdashboard_application_database_get_default();
if(!priv->appDatabase)
{
g_critical(_("Could not initialize application database"));
return(FALSE);
}
if(!xfdashboard_application_database_load(priv->appDatabase, &error))
{
g_critical(_("Could not load application database: %s"),
(error && error->message) ? error->message : _("unknown error"));
if(error!=NULL) g_error_free(error);
return(FALSE);
}
/* Set up application tracker */
priv->appTracker=xfdashboard_application_tracker_get_default();
if(!priv->appTracker)
{
g_critical(_("Could not initialize application tracker"));
return(FALSE);
}
/* Set up and load theme */
priv->xfconfThemeChangedSignalID=xfconf_g_property_bind(priv->xfconfChannel,
THEME_NAME_XFCONF_PROP,
G_TYPE_STRING,
self,
"theme-name");
if(!priv->xfconfThemeChangedSignalID)
{
g_warning(_("Could not create binding between xfconf property and local resource for theme change notification."));
}
/* Set up default theme in Xfcond if property in channel does not exist
* because it indicates first start.
*/
if(!xfconf_channel_has_property(priv->xfconfChannel, THEME_NAME_XFCONF_PROP))
{
xfconf_channel_set_string(priv->xfconfChannel,
THEME_NAME_XFCONF_PROP,
DEFAULT_THEME_NAME);
}
/* At this time the theme must have been loaded, either because we
* set the default theme name because of missing theme property in
* xfconf channel or the value of xfconf channel property has been read
* and set when setting up binding (between xfconf property and local property)
* what caused a call to function to set theme name in this object
* and also caused a reload of theme.
* So if no theme object is set in this object then loading theme has
* failed and we have to return FALSE.
*/
if(!priv->theme) return(FALSE);
/* Register built-in views (order of registration is important) */
priv->viewManager=xfdashboard_view_manager_get_default();
xfdashboard_view_manager_register(priv->viewManager, XFDASHBOARD_TYPE_WINDOWS_VIEW);
xfdashboard_view_manager_register(priv->viewManager, XFDASHBOARD_TYPE_APPLICATIONS_VIEW);
xfdashboard_view_manager_register(priv->viewManager, XFDASHBOARD_TYPE_SEARCH_VIEW);
/* Register built-in search providers */
priv->searchManager=xfdashboard_search_manager_get_default();
xfdashboard_search_manager_register(priv->searchManager, XFDASHBOARD_TYPE_APPLICATIONS_SEARCH_PROVIDER);
/* Create single-instance of focus manager to keep it alive while
* application is running.
*/
priv->focusManager=xfdashboard_focus_manager_get_default();
/* Create stage containing all monitors */
stage=xfdashboard_stage_new();
g_signal_connect_swapped(stage, "delete-event", G_CALLBACK(_xfdashboard_application_on_delete_stage), self);
/* Emit signal 'theme-changed' to get current theme loaded at each stage created */
g_signal_emit(self, XfdashboardApplicationSignals[SIGNAL_THEME_CHANGED], 0, priv->theme);
/* Set return results */
if(outStage) *outStage=XFDASHBOARD_STAGE(stage);
/* Initialization was successful so return TRUE */
#ifdef DEBUG
xfdashboard_notify(NULL, NULL, _("Welcome to %s (%s)!"), PACKAGE_NAME, PACKAGE_VERSION);
#else
xfdashboard_notify(NULL, NULL, _("Welcome to %s!"), PACKAGE_NAME);
#endif
return(TRUE);
}
/* Handle key event (it is either key-press or key-release) by focusable actor
* which has the focus or by specified actor.
*/
gboolean xfdashboard_focus_manager_handle_key_event(XfdashboardFocusManager *self, const ClutterEvent *inEvent, XfdashboardFocusable *inFocusable)
{
XfdashboardFocusManagerPrivate *priv;
g_return_val_if_fail(XFDASHBOARD_IS_FOCUS_MANAGER(self), CLUTTER_EVENT_PROPAGATE);
g_return_val_if_fail(inEvent, CLUTTER_EVENT_PROPAGATE);
g_return_val_if_fail(clutter_event_type(inEvent)==CLUTTER_KEY_PRESS || clutter_event_type(inEvent)==CLUTTER_KEY_RELEASE, CLUTTER_EVENT_PROPAGATE);
g_return_val_if_fail(!inFocusable || XFDASHBOARD_IS_FOCUSABLE(inFocusable), CLUTTER_EVENT_PROPAGATE);
priv=self->priv;
/* If no focusable actor was specified then use current focused actor */
if(!inFocusable)
{
inFocusable=priv->currentFocus;
/* If still no focusable actor is available we cannot handle event
* so let the others try it by propagating event.
*/
if(!inFocusable) return(CLUTTER_EVENT_PROPAGATE);
}
/* Synthesize event for specified focusable actor */
if(inFocusable)
{
XfdashboardBindingsPool *bindings;
const XfdashboardBinding *binding;
gboolean eventStatus;
/* Take reference on ourselve and the focusable actor to keep them alive when handling event */
g_object_ref(self);
g_object_ref(inFocusable);
/* Lookup action for event and emit action if a binding was found
* for this event.
*/
eventStatus=CLUTTER_EVENT_PROPAGATE;
bindings=xfdashboard_bindings_pool_get_default();
binding=xfdashboard_bindings_pool_find_for_event(bindings, CLUTTER_ACTOR(inFocusable), inEvent);
if(binding)
{
const gchar *target;
const gchar *action;
GSList *targetFocusables;
GSList *iter;
GSignalQuery signalData={ 0, };
/* Get action of binding */
action=xfdashboard_binding_get_action(binding);
/* Build up list of targets which is either the requested focusable actor,
* the current focused actor or focusable actors of a specific type
*/
targetFocusables=NULL;
target=xfdashboard_binding_get_target(binding);
if(target)
{
/* Target class name is specified so build up a list of targets */
targetFocusables=_xfdashboard_focus_manager_get_targets_for_binding(self, binding);
}
else
{
/* No target class name was specified so add requested focusable
* actor to list of target.
*/
targetFocusables=g_slist_append(targetFocusables, g_object_ref(inFocusable));
}
g_debug("Target list for action '%s' has %d actors",
action,
g_slist_length(targetFocusables));
/* Emit action of binding to each actor in target list just build up */
for(iter=targetFocusables; iter; iter=g_slist_next(iter))
{
GObject *targetObject;
guint signalID;
/* Get target to emit action signal at */
targetObject=G_OBJECT(iter->data);
/* Check if target provides action requested as signal */
signalID=g_signal_lookup(action, G_OBJECT_TYPE(targetObject));
if(!signalID)
{
g_warning(_("Object type %s does not provide action '%s'"),
G_OBJECT_TYPE_NAME(targetObject),
action);
continue;
}
/* Query signal for detailed data */
g_signal_query(signalID, &signalData);
/* Check if signal is an action signal */
if(!(signalData.signal_flags & G_SIGNAL_ACTION))
{
g_warning(_("Action '%s' at object type %s is not an action signal."),
action,
G_OBJECT_TYPE_NAME(targetObject));
continue;
}
#if DEBUG
/* In debug mode also check if signal has right signature
* to be able to handle this action properly.
*/
if(signalID)
{
GType returnValueType=G_TYPE_BOOLEAN;
GType parameterTypes[]={ XFDASHBOARD_TYPE_FOCUSABLE, G_TYPE_STRING, CLUTTER_TYPE_EVENT };
guint parameterCount;
guint i;
/* Check if signal wants the right type of return value */
if(signalData.return_type!=returnValueType)
{
g_critical(_("Action '%s' at object type %s wants return value of type %s but expected is %s."),
action,
G_OBJECT_TYPE_NAME(targetObject),
g_type_name(signalData.return_type),
g_type_name(returnValueType));
}
/* Check if signals wants the right number and types of parameters */
parameterCount=sizeof(parameterTypes)/sizeof(GType);
if(signalData.n_params!=parameterCount)
{
g_critical(_("Action '%s' at object type %s wants %u parameters but expected are %u."),
action,
G_OBJECT_TYPE_NAME(targetObject),
signalData.n_params,
parameterCount);
}
for(i=0; i<(parameterCount<signalData.n_params ? parameterCount : signalData.n_params); i++)
{
if(signalData.param_types[i]!=parameterTypes[i])
{
g_critical(_("Action '%s' at object type %s wants type %s at parameter %u but type %s is expected."),
action,
G_OBJECT_TYPE_NAME(targetObject),
g_type_name(signalData.param_types[i]),
i+1,
g_type_name(parameterTypes[i]));
}
}
}
#endif
/* Emit action signal at target */
g_debug("Emitting action signal '%s' at focusable actor %s",
action,
G_OBJECT_TYPE_NAME(targetObject));
g_signal_emit_by_name(targetObject, action, inFocusable, action, inEvent, &eventStatus);
g_debug("Action signal '%s' was %s by focusable actor %s",
action,
eventStatus==CLUTTER_EVENT_STOP ? "handled" : "not handled",
G_OBJECT_TYPE_NAME(targetObject));
}
/* Release allocated resources */
g_slist_free_full(targetFocusables, g_object_unref);
}
g_object_unref(bindings);
/* Release reference on ourselve and the focusable actor to took to keep them alive */
g_object_unref(inFocusable);
g_object_unref(self);
if(eventStatus==CLUTTER_EVENT_STOP) return(CLUTTER_EVENT_STOP);
}
/* Event was not handled so synthesize event to specified focusable actor */
return(clutter_actor_event(CLUTTER_ACTOR(inFocusable), inEvent, FALSE));
}
