+ hours_ebox.signal_key_press_event().connect (bind (mem_fun(*this, &AudioClock::field_key_press_event), SMPTE_Hours));
+ minutes_ebox.signal_key_press_event().connect (bind (mem_fun(*this, &AudioClock::field_key_press_event), SMPTE_Minutes));
+ seconds_ebox.signal_key_press_event().connect (bind (mem_fun(*this, &AudioClock::field_key_press_event), SMPTE_Seconds));
+ frames_ebox.signal_key_press_event().connect (bind (mem_fun(*this, &AudioClock::field_key_press_event), SMPTE_Frames));
+ audio_frames_ebox.signal_key_press_event().connect (bind (mem_fun(*this, &AudioClock::field_key_press_event), AudioFrames));
+ bars_ebox.signal_key_press_event().connect (bind (mem_fun(*this, &AudioClock::field_key_press_event), Bars));
+ beats_ebox.signal_key_press_event().connect (bind (mem_fun(*this, &AudioClock::field_key_press_event), Beats));
+ ticks_ebox.signal_key_press_event().connect (bind (mem_fun(*this, &AudioClock::field_key_press_event), Ticks));
+ ms_hours_ebox.signal_key_press_event().connect (bind (mem_fun(*this, &AudioClock::field_key_press_event), MS_Hours));
+ ms_minutes_ebox.signal_key_press_event().connect (bind (mem_fun(*this, &AudioClock::field_key_press_event), MS_Minutes));
+ ms_seconds_ebox.signal_key_press_event().connect (bind (mem_fun(*this, &AudioClock::field_key_press_event), MS_Seconds));
+