Something

gboolean
e_calendar_view_get_tooltips (ECalendarViewEventData *data)
{
	GtkWidget *label, *box, *hbox, *ebox, *frame;
	const char *str;
	char *tmp, *tmp1, *tmp2;
	ECalComponentOrganizer organiser;	
	ECalComponentDateTime dtstart, dtend;
	icalcomponent *clone_comp;
	time_t t_start, t_end;
	ECalendarViewEvent *pevent;
	GtkStyle *style = gtk_widget_get_default_style ();
	
	pevent = data->get_view_event (data->cal_view, data->day, data->event_num);
	g_free (data);

	ECalComponent *newcomp = e_cal_component_new ();
	icaltimezone *zone, *default_zone;

	clone_comp = icalcomponent_new_clone (pevent->comp_data->icalcomp);
	if (!e_cal_component_set_icalcomponent (newcomp, clone_comp))
		g_warning ("couldn't update calendar component with modified data from backend\n");

	box = gtk_vbox_new (FALSE, 0);

	str = icalcomponent_get_summary (pevent->comp_data->icalcomp);

	if (!(str && *str)) {
		g_object_unref (newcomp);
		gtk_widget_destroy (box);

		return FALSE;
	}

	tmp = g_strdup_printf ("<b>%s</b>", str);
	label = gtk_label_new (NULL);
	gtk_label_set_line_wrap ((GtkLabel *)label, TRUE);
	gtk_label_set_markup ((GtkLabel *)label, tmp);
	
	hbox = gtk_hbox_new (FALSE, 0);
	gtk_box_pack_start ((GtkBox *)hbox, label, FALSE, FALSE, 0);
	ebox = gtk_event_box_new ();
	gtk_container_add ((GtkContainer *)ebox, hbox);
	gtk_widget_modify_bg (ebox, GTK_STATE_NORMAL, &(style->bg[GTK_STATE_SELECTED]));
	gtk_widget_modify_fg (label, GTK_STATE_NORMAL, &(style->text[GTK_STATE_SELECTED]));
	
	gtk_box_pack_start ((GtkBox *)box, ebox, FALSE, FALSE, 0);
	g_free (tmp);
	
	e_cal_component_get_organizer (newcomp, &organiser);
	if (organiser.cn) {
		char *ptr ; 
		GtkWidget *hbox = gtk_hbox_new (FALSE, 0);
		ptr = strchr(organiser.value, ':');
		ptr++;
		/* To Translators: It will display "Organiser: NameOfTheUser <email@ofuser.com>" */
		tmp = g_strdup_printf (_("Organizer: %s <%s>"), organiser.cn, ptr);
		label = gtk_label_new (tmp);
		gtk_box_pack_start ((GtkBox *)hbox, label, FALSE, FALSE, 0);
		ebox = gtk_event_box_new ();
		gtk_container_add ((GtkContainer *)ebox, hbox);
		gtk_box_pack_start ((GtkBox *)box, ebox, FALSE, FALSE, 0);

		g_free (tmp);
	}
	
	e_cal_component_get_location (newcomp, &str);

	if (str) {
		/* To Translators: It will display "Location: PlaceOfTheMeeting" */
		tmp = g_strdup_printf (_("Location: %s"), str);
		label = gtk_label_new (NULL);
		gtk_label_set_markup ((GtkLabel *)label, tmp);
		hbox = gtk_hbox_new (FALSE, 0);
		gtk_box_pack_start ((GtkBox *)hbox, label, FALSE, FALSE, 0);
		ebox = gtk_event_box_new ();
		gtk_container_add ((GtkContainer *)ebox, hbox);
		gtk_box_pack_start ((GtkBox *)box, ebox, FALSE, FALSE, 0);
		g_free (tmp);
	}
	e_cal_component_get_dtstart (newcomp, &dtstart);
	e_cal_component_get_dtend (newcomp, &dtend);
			
	if (dtstart.tzid) {
		zone = icalcomponent_get_timezone (e_cal_component_get_icalcomponent (newcomp), dtstart.tzid);
	} else {
		zone = NULL;
	}
	t_start = icaltime_as_timet_with_zone (*dtstart.value, zone);
		
	if (dtend.tzid) {
		zone = icalcomponent_get_timezone (e_cal_component_get_icalcomponent (newcomp), dtend.tzid);
	} else {
		zone = NULL;
	}
	t_end = icaltime_as_timet_with_zone (*dtend.value, zone);
	
	tmp1 = get_label(dtstart.value);
	tmp = calculate_time (t_start, t_end);
	
	/* To Translators: It will display "Time: ActualStartDateAndTime (DurationOfTheMeeting)"*/
	tmp2 = g_strdup_printf(_("Time: %s %s"), tmp1, tmp);
	hbox = gtk_hbox_new (FALSE, 0);
	gtk_box_pack_start ((GtkBox *)hbox, gtk_label_new_with_mnemonic (tmp2), FALSE, FALSE, 0);
	ebox = gtk_event_box_new ();
	gtk_container_add ((GtkContainer *)ebox, hbox);
	gtk_box_pack_start ((GtkBox *)box, ebox, FALSE, FALSE, 0);
	
	g_free (tmp);
	g_free (tmp2);
	g_free (tmp1);

	default_zone = calendar_config_get_icaltimezone ();
	tmp1 = icaltimezone_get_location(default_zone);
	if(dtstart.zone != default_zone)
	{
		tmp = icaltimezone_get_location(dtstart.zone);
		tmp2 = g_strdup_printf(_("Timezone: %s %s"),tmp, tmp1);
		hbox = gtk_hbox_new (FALSE, 0);
		gtk_box_pack_start ((GtkBox *)hbox, gtk_label_new_with_mnemonic (tmp2), FALSE, FALSE, 0);
		ebox = gtk_event_box_new ();
		gtk_container_add ((GtkContainer *)ebox, hbox);
		gtk_box_pack_start ((GtkBox *)box, ebox, FALSE, FALSE, 0);
	
		g_free (tmp);
		g_free (tmp2);
	}
	g_free(tmp1);

	pevent->tooltip = gtk_window_new (GTK_WINDOW_POPUP);
	frame = gtk_frame_new (NULL);
	gtk_frame_set_shadow_type ((GtkFrame *)frame, GTK_SHADOW_IN);
	
	gtk_window_move ((GtkWindow *)pevent->tooltip, pevent->x +16, pevent->y+16);
	gtk_container_add ((GtkContainer *)frame, box);
	gtk_container_add ((GtkContainer *)pevent->tooltip, frame);
			
	gtk_widget_show_all (pevent->tooltip);	
	gdk_keyboard_grab (pevent->tooltip->window, FALSE, GDK_CURRENT_TIME);
	g_signal_connect (pevent->tooltip, "key-press-event", G_CALLBACK (tooltip_grab), pevent);
	pevent->timeout = -1;

	g_object_unref (newcomp);
	
	return FALSE;
}