static void send_button_clicked(GtkWidget *button, gpointer data)
{
send_enable_buttons(FALSE);
gtk_widget_set_sensitive(input_send_button, FALSE);
gtk_widget_show(input_stop_button);
gtk_widget_set_sensitive(input_text_view, FALSE);
tsp.text = get_input_text();
tsp.len = strlen(tsp.text);
tsp.i = -1;
tsp.timeout = g_timeout_add(current_period(), do_sending, NULL);
puts("Start sending...");
}
// ===========================================================
// returns charged money since last call and updates charging intervall
float get_charging_sum(int *charging)
// ===========================================================
{
int t;
float charged=0;
float sum=0;
char periods[1024];
t = chargingtimediff(); // get seconds since last call
if (!t) return 0;
*charging-=t; // reduce charging intervall on elapsed secs
get_current_zone(periods);
t=current_period(periods,&sum);
if (!t) return 0; // timeintervall is missing
while (*charging<0) // while charging intervall <0, we have spent money
{
*charging+=t;
charged+=sum;
}
return charged;
}