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NO-OP: cosmetic changes

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* Prefix private member variable with underscores.
* use C-style comment blocks
* Inline single-use method
This commit is contained in:
Robin Gareus 2021-03-27 18:26:09 +01:00
parent 602135ad66
commit c91080e950
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GPG key ID: A090BCE02CF57F04
2 changed files with 118 additions and 135 deletions
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214
gtk2_ardour/foldback_strip.cc
View file

@ -290,7 +290,7 @@ void
FoldbackSend::set_gain (float new_gain) FoldbackSend::set_gain (float new_gain)
{ {
if (new_gain < 0) { if (new_gain < 0) {
// get level from sending route /* get level from sending route */
new_gain = _send_route->gain_control ()->get_value (); new_gain = _send_route->gain_control ()->get_value ();
} }
boost::shared_ptr<AutomationControl> lc = _send->gain_control (); boost::shared_ptr<AutomationControl> lc = _send->gain_control ();
@ -354,12 +354,10 @@ FoldbackStrip::FoldbackStrip (Mixer_UI& mx, Session* sess, boost::shared_ptr<Rou
, _mixer (mx) , _mixer (mx)
, _showing_sends (false) , _showing_sends (false)
, _width (80) , _width (80)
, _peak_meter (0) , _panners (sess)
, _pr_selection () , _output_button (false)
, panners (sess)
, output_button (false)
, _comment_button (_("Comments")) , _comment_button (_("Comments"))
, fb_level_control (0) , _level_control (ArdourKnob::default_elements, ArdourKnob::Detent)
, _meter (0) , _meter (0)
{ {
init (); init ();
@ -386,30 +384,29 @@ FoldbackStrip::init ()
_hide_button.set_tweaks (ArdourButton::Square); _hide_button.set_tweaks (ArdourButton::Square);
set_tooltip (&_hide_button, _("Hide Foldback strip")); set_tooltip (&_hide_button, _("Hide Foldback strip"));
prev_next_box.pack_start (_previous_button, false, true); _prev_next_box.pack_start (_previous_button, false, true);
prev_next_box.pack_start (_next_button, false, true); _prev_next_box.pack_start (_next_button, false, true);
prev_next_box.pack_end (_hide_button, false, true); _prev_next_box.pack_end (_hide_button, false, true);
name_button.set_name ("mixer strip button"); _name_button.set_name ("mixer strip button");
name_button.set_text_ellipsize (Pango::ELLIPSIZE_END); _name_button.set_text_ellipsize (Pango::ELLIPSIZE_END);
name_button.set_layout_ellipsize_width (PX_SCALE (_width) * PANGO_SCALE); _name_button.set_layout_ellipsize_width (PX_SCALE (_width) * PANGO_SCALE);
send_display.set_flags (CAN_FOCUS); _send_display.set_flags (CAN_FOCUS);
send_display.set_spacing (4); _send_display.set_spacing (4);
send_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC); _send_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
send_scroller.add (send_display); _send_scroller.add (_send_display);
send_scroller.get_child ()->set_name ("FoldbackBusStripBase"); _send_scroller.get_child ()->set_name ("FoldbackBusStripBase");
// panners from route_ui _panners.set_width (Wide);
panners.set_width (Wide);
insert_box = new ProcessorBox (0, boost::bind (&FoldbackStrip::plugin_selector, this), _pr_selection, 0); _insert_box = new ProcessorBox (0, boost::bind (&FoldbackStrip::plugin_selector, this), _pr_selection, 0);
insert_box->set_no_show_all (); _insert_box->set_no_show_all ();
insert_box->show (); _insert_box->show ();
insert_box->set_session (_session); _insert_box->set_session (_session);
insert_box->set_width (Wide); _insert_box->set_width (Wide);
insert_box->set_size_request (PX_SCALE (_width + 34), PX_SCALE (160)); _insert_box->set_size_request (PX_SCALE (_width + 34), PX_SCALE (160));
_meter = new FastMeter ((uint32_t)floor (UIConfiguration::instance ().get_meter_hold ()), _meter = new FastMeter ((uint32_t)floor (UIConfiguration::instance ().get_meter_hold ()),
8, FastMeter::Horizontal, PX_SCALE (100), 8, FastMeter::Horizontal, PX_SCALE (100),
@ -432,46 +429,46 @@ FoldbackStrip::init ()
115.0, 115.0,
(UIConfiguration::instance ().get_meter_style_led () ? 3 : 1)); (UIConfiguration::instance ().get_meter_style_led () ? 3 : 1));
fb_level_control = new ArdourKnob (ArdourKnob::default_elements, ArdourKnob::Detent); _level_control.set_size_request (PX_SCALE (50), PX_SCALE (50));
fb_level_control->set_size_request (PX_SCALE (50), PX_SCALE (50)); _level_control.set_tooltip_prefix (_("Level: "));
fb_level_control->set_tooltip_prefix (_("Level: ")); _level_control.set_name ("foldback knob");
fb_level_control->set_name ("foldback knob");
fb_level_control->set_no_show_all (true);
VBox* level_box = manage (new VBox); VBox* lcenter_box = manage (new VBox);
level_box->pack_start (*fb_level_control, true, false); lcenter_box->pack_start (_level_control, true, false);
master_box.pack_start (*level_box, true, false); _level_box.pack_start (*lcenter_box, true, false);
master_box.set_size_request (PX_SCALE (_width + 34), PX_SCALE (80)); _level_box.set_size_request (PX_SCALE (_width + 34), PX_SCALE (80));
master_box.set_name ("FoldbackBusStripBase"); _level_box.set_name ("FoldbackBusStripBase");
level_box->show (); lcenter_box->show ();
output_button.set_text (_("Output")); _output_button.set_text (_("Output"));
output_button.set_name ("mixer strip button"); _output_button.set_name ("mixer strip button");
output_button.set_text_ellipsize (Pango::ELLIPSIZE_MIDDLE); _output_button.set_text_ellipsize (Pango::ELLIPSIZE_MIDDLE);
output_button.set_layout_ellipsize_width (PX_SCALE (_width) * PANGO_SCALE); _output_button.set_layout_ellipsize_width (PX_SCALE (_width) * PANGO_SCALE);
_comment_button.set_name (X_("mixer strip button")); _comment_button.set_name (X_("mixer strip button"));
_comment_button.set_text_ellipsize (Pango::ELLIPSIZE_END); _comment_button.set_text_ellipsize (Pango::ELLIPSIZE_END);
_comment_button.set_layout_ellipsize_width (PX_SCALE (_width) * PANGO_SCALE); _comment_button.set_layout_ellipsize_width (PX_SCALE (_width) * PANGO_SCALE);
global_vpacker.set_border_width (1); _global_vpacker.set_border_width (1);
global_vpacker.set_spacing (2); _global_vpacker.set_spacing (2);
// Packing is from top down to the send box. The send box /* Packing is from top down to the send box. The send box
// needs the most room and takes all left over space * needs the most room and takes all left over space
// Everything below the send box is packed from the bottom up * Everything below the send box is packed from the bottom up
// the panner is the last thing to pack as it doesn't always show * the panner is the last thing to pack as it doesn't always show
// and packing it below the sendbox means nothing moves when it shows * and packing it below the sendbox means nothing moves when it shows
// or hides. * or hides.
global_vpacker.pack_start (prev_next_box, Gtk::PACK_SHRINK); */
global_vpacker.pack_start (name_button, Gtk::PACK_SHRINK); _global_vpacker.pack_start (_prev_next_box, Gtk::PACK_SHRINK);
global_vpacker.pack_start (*show_sends_button, Gtk::PACK_SHRINK); _global_vpacker.pack_start (_name_button, Gtk::PACK_SHRINK);
global_vpacker.pack_start (invert_button_box, Gtk::PACK_SHRINK); _global_vpacker.pack_start (*show_sends_button, Gtk::PACK_SHRINK);
global_vpacker.pack_start (send_scroller, true, true); _global_vpacker.pack_start (invert_button_box, Gtk::PACK_SHRINK);
_global_vpacker.pack_start (_send_scroller, true, true);
#ifndef MIXBUS #ifndef MIXBUS
//add a spacer underneath the foldback bus; /* Add a spacer underneath the foldback bus;
//this fills the area that is taken up by the scrollbar on the tracks; * this fills the area that is taken up by the scrollbar on the tracks;
//and therefore keeps the strip boxes "even" across the bottom * and therefore keeps the strip boxes "even" across the bottom
*/
int scrollbar_height = 0; int scrollbar_height = 0;
{ {
Gtk::Window window (WINDOW_TOPLEVEL); Gtk::Window window (WINDOW_TOPLEVEL);
@ -482,27 +479,28 @@ FoldbackStrip::init ()
Gtk::Requisition requisition (scrollbar.size_request ()); Gtk::Requisition requisition (scrollbar.size_request ());
scrollbar_height = requisition.height; scrollbar_height = requisition.height;
} }
spacer.set_size_request (-1, scrollbar_height); _spacer.set_size_request (-1, scrollbar_height);
global_vpacker.pack_end (spacer, false, false); _global_vpacker.pack_end (_spacer, false, false);
_spacer.show ();
#endif #endif
global_vpacker.pack_end (_comment_button, Gtk::PACK_SHRINK); _global_vpacker.pack_end (_comment_button, Gtk::PACK_SHRINK);
global_vpacker.pack_end (output_button, Gtk::PACK_SHRINK); _global_vpacker.pack_end (_output_button, Gtk::PACK_SHRINK);
global_vpacker.pack_end (master_box, Gtk::PACK_SHRINK); _global_vpacker.pack_end (_level_box, Gtk::PACK_SHRINK);
global_vpacker.pack_end (*_meter, false, false); _global_vpacker.pack_end (*_meter, false, false);
global_vpacker.pack_end (*solo_button, false, false); _global_vpacker.pack_end (*solo_button, false, false);
global_vpacker.pack_end (*insert_box, Gtk::PACK_SHRINK); _global_vpacker.pack_end (*_insert_box, Gtk::PACK_SHRINK);
global_vpacker.pack_end (panners, Gtk::PACK_SHRINK); _global_vpacker.pack_end (_panners, Gtk::PACK_SHRINK);
global_frame.add (global_vpacker); _global_frame.add (_global_vpacker);
global_frame.set_shadow_type (Gtk::SHADOW_IN); _global_frame.set_shadow_type (Gtk::SHADOW_IN);
global_frame.set_name ("MixerStripFrame"); _global_frame.set_name ("MixerStripFrame");
add (global_frame); add (_global_frame);
name_button.signal_button_press_event ().connect (sigc::mem_fun (*this, &FoldbackStrip::name_button_button_press), false); _name_button.signal_button_press_event ().connect (sigc::mem_fun (*this, &FoldbackStrip::name_button_button_press), false);
_previous_button.signal_clicked.connect (sigc::bind (sigc::mem_fun (*this, &FoldbackStrip::cycle_foldbacks), false)); _previous_button.signal_clicked.connect (sigc::bind (sigc::mem_fun (*this, &FoldbackStrip::cycle_foldbacks), false));
_next_button.signal_clicked.connect (sigc::bind (sigc::mem_fun (*this, &FoldbackStrip::cycle_foldbacks), true)); _next_button.signal_clicked.connect (sigc::bind (sigc::mem_fun (*this, &FoldbackStrip::cycle_foldbacks), true));
_hide_button.signal_clicked.connect (sigc::mem_fun (*this, &FoldbackStrip::hide_clicked)); _hide_button.signal_clicked.connect (sigc::mem_fun (*this, &FoldbackStrip::hide_clicked));
send_scroller.signal_button_press_event ().connect (sigc::mem_fun (*this, &RouteUI::show_sends_press)); _send_scroller.signal_button_press_event ().connect (sigc::mem_fun (*this, &RouteUI::show_sends_press));
_comment_button.signal_clicked.connect (sigc::mem_fun (*this, &RouteUI::toggle_comment_editor)); _comment_button.signal_clicked.connect (sigc::mem_fun (*this, &RouteUI::toggle_comment_editor));
add_events (Gdk::BUTTON_RELEASE_MASK | add_events (Gdk::BUTTON_RELEASE_MASK |
@ -520,9 +518,7 @@ FoldbackStrip::init ()
FoldbackStrip::~FoldbackStrip () FoldbackStrip::~FoldbackStrip ()
{ {
CatchDeletion (this); CatchDeletion (this);
delete fb_level_control;
clear_send_box (); clear_send_box ();
send_blink_connection.disconnect ();
} }
bool bool
@ -541,13 +537,6 @@ FoldbackStrip::name () const
return string (); return string ();
} }
void
FoldbackStrip::update_fb_level_control ()
{
fb_level_control->show ();
fb_level_control->set_controllable (_route->gain_control ());
}
void void
FoldbackStrip::set_route (boost::shared_ptr<Route> rt) FoldbackStrip::set_route (boost::shared_ptr<Route> rt)
{ {
@ -559,10 +548,11 @@ FoldbackStrip::set_route (boost::shared_ptr<Route> rt)
return; return;
} }
output_button.set_route (_route, this); _output_button.set_route (_route, this);
insert_box->set_route (_route); _insert_box->set_route (_route);
update_fb_level_control (); _level_control.set_controllable (_route->gain_control ());
_level_control.show ();
/* setup panners */ /* setup panners */
panner_ui ().set_panner (_route->main_outs ()->panner_shell (), _route->main_outs ()->panner ()); panner_ui ().set_panner (_route->main_outs ()->panner_shell (), _route->main_outs ()->panner ());
@ -570,9 +560,9 @@ FoldbackStrip::set_route (boost::shared_ptr<Route> rt)
panner_ui ().set_send_drawing_mode (false); panner_ui ().set_send_drawing_mode (false);
if (has_audio_outputs ()) { if (has_audio_outputs ()) {
panners.show_all (); _panners.show_all ();
} else { } else {
panners.hide_all (); _panners.hide_all ();
} }
if (_route->panner_shell ()) { if (_route->panner_shell ()) {
@ -581,7 +571,6 @@ FoldbackStrip::set_route (boost::shared_ptr<Route> rt)
} }
/* set up metering */ /* set up metering */
_peak_meter = _route->shared_peak_meter ().get ();
_route->set_meter_point (MeterPostFader); _route->set_meter_point (MeterPostFader);
_route->set_meter_type (MeterPeak0dB); _route->set_meter_type (MeterPeak0dB);
@ -596,8 +585,8 @@ FoldbackStrip::set_route (boost::shared_ptr<Route> rt)
update_send_box (); update_send_box ();
comment_changed (); comment_changed ();
connect_to_pan (); connect_to_pan ();
panners.setup_pan (); _panners.setup_pan ();
panners.show_all (); _panners.show_all ();
update_output_display (); update_output_display ();
reset_strip_style (); reset_strip_style ();
setup_comment_button (); setup_comment_button ();
@ -607,24 +596,22 @@ FoldbackStrip::set_route (boost::shared_ptr<Route> rt)
_previous_button.show (); _previous_button.show ();
_next_button.show (); _next_button.show ();
_hide_button.show (); _hide_button.show ();
prev_next_box.show (); _prev_next_box.show ();
name_button.show (); _name_button.show ();
send_display.show (); _send_display.show ();
send_scroller.show (); _send_scroller.show ();
show_sends_button->show (); show_sends_button->show ();
insert_box->show (); _insert_box->show ();
_meter->show (); _meter->show ();
master_box.show (); _level_box.show ();
output_button.show (); _output_button.show ();
_comment_button.show (); _comment_button.show ();
spacer.show (); _global_frame.show ();
global_frame.show (); _global_vpacker.show ();
global_vpacker.show ();
show (); show ();
} }
// predicate for sort call in get_sorted_stripables
struct StripableByPresentationOrder { struct StripableByPresentationOrder {
bool operator() (const boost::shared_ptr<Stripable>& a, const boost::shared_ptr<Stripable>& b) const bool operator() (const boost::shared_ptr<Stripable>& a, const boost::shared_ptr<Stripable>& b) const
{ {
@ -657,7 +644,7 @@ FoldbackStrip::update_send_box ()
boost::shared_ptr<Send> snd = s_rt->internal_send_for (_route); boost::shared_ptr<Send> snd = s_rt->internal_send_for (_route);
if (snd) { if (snd) {
FoldbackSend* fb_s = new FoldbackSend (snd, s_rt, _route, _width); FoldbackSend* fb_s = new FoldbackSend (snd, s_rt, _route, _width);
send_display.pack_start (*fb_s, Gtk::PACK_SHRINK); _send_display.pack_start (*fb_s, Gtk::PACK_SHRINK);
fb_s->show (); fb_s->show ();
s_rt->processors_changed.connect (_send_connections, invalidator (*this), boost::bind (&FoldbackStrip::processors_changed, this, _1), gui_context ()); s_rt->processors_changed.connect (_send_connections, invalidator (*this), boost::bind (&FoldbackStrip::processors_changed, this, _1), gui_context ());
} }
@ -667,10 +654,10 @@ FoldbackStrip::update_send_box ()
void void
FoldbackStrip::clear_send_box () FoldbackStrip::clear_send_box ()
{ {
std::vector<Widget*> snd_list = send_display.get_children (); std::vector<Widget*> snd_list = _send_display.get_children ();
_send_connections.drop_connections (); _send_connections.drop_connections ();
for (uint32_t i = 0; i < snd_list.size (); i++) { for (uint32_t i = 0; i < snd_list.size (); i++) {
send_display.remove (*(snd_list[i])); _send_display.remove (*(snd_list[i]));
delete snd_list[i]; delete snd_list[i];
} }
snd_list.clear (); snd_list.clear ();
@ -708,17 +695,17 @@ FoldbackStrip::update_panner_choices ()
in = _route->panner ()->in ().n_audio (); in = _route->panner ()->in ().n_audio ();
} }
panners.set_available_panners (PannerManager::instance ().PannerManager::get_available_panners (in, out)); _panners.set_available_panners (PannerManager::instance ().PannerManager::get_available_panners (in, out));
} }
void void
FoldbackStrip::update_output_display () FoldbackStrip::update_output_display ()
{ {
panners.setup_pan (); _panners.setup_pan ();
if (has_audio_outputs ()) { if (has_audio_outputs ()) {
panners.show_all (); _panners.show_all ();
} else { } else {
panners.hide_all (); _panners.hide_all ();
} }
} }
@ -823,7 +810,7 @@ FoldbackStrip::name_button_button_press (GdkEventButton* ev)
_session->get_stripables (slist, PresentationInfo::FoldbackBus); _session->get_stripables (slist, PresentationInfo::FoldbackBus);
if (slist.size () > 1) { if (slist.size () > 1) {
Menu* menu = build_route_select_menu (); Menu* menu = build_route_select_menu ();
Gtkmm2ext::anchored_menu_popup (menu, &name_button, "", ev->button, ev->time); Gtkmm2ext::anchored_menu_popup (menu, &_name_button, "", ev->button, ev->time);
} }
return true; return true;
} else if (Keyboard::is_context_menu_event (ev)) { } else if (Keyboard::is_context_menu_event (ev)) {
@ -903,7 +890,8 @@ FoldbackStrip::fast_update ()
* So, much like the mackie control, we just want the highest peak from * So, much like the mackie control, we just want the highest peak from
* all channels in the route. * all channels in the route.
*/ */
const float meter_level = _peak_meter->meter_level (0, MeterMCP); boost::shared_ptr<PeakMeter> peak_meter = _route->shared_peak_meter ();
const float meter_level = peak_meter->meter_level (0, MeterMCP);
_meter->set (log_meter0dB (meter_level)); _meter->set (log_meter0dB (meter_level));
} }
@ -918,8 +906,8 @@ FoldbackStrip::route_property_changed (const PropertyChange& what_changed)
void void
FoldbackStrip::name_changed () FoldbackStrip::name_changed ()
{ {
name_button.set_text (_route->name ()); _name_button.set_text (_route->name ());
set_tooltip (name_button, Gtkmm2ext::markup_escape_text (_route->name ())); set_tooltip (_name_button, Gtkmm2ext::markup_escape_text (_route->name ()));
} }
void void
@ -963,7 +951,7 @@ FoldbackStrip::route_active_changed ()
void void
FoldbackStrip::deselect_all_processors () FoldbackStrip::deselect_all_processors ()
{ {
insert_box->processor_operation (ProcessorBox::ProcessorsSelectNone); _insert_box->processor_operation (ProcessorBox::ProcessorsSelectNone);
} }
void void
@ -990,7 +978,8 @@ FoldbackStrip::duplicate_current_fb ()
boost::shared_ptr<Route> new_fb; boost::shared_ptr<Route> new_fb;
boost::shared_ptr<Route> old_fb = _route; boost::shared_ptr<Route> old_fb = _route;
string new_name_tp = "Foldback"; string new_name_tp = "Foldback";
// get number of io so long as it is 1 or 2
/* get number of io so long as it is 1 or 2 */
uint32_t io = 1; uint32_t io = 1;
if (old_fb->n_outputs ().n_audio () && (old_fb->n_outputs ().n_audio () > 1)) { if (old_fb->n_outputs ().n_audio () && (old_fb->n_outputs ().n_audio () > 1)) {
io = 2; io = 2;
@ -998,6 +987,7 @@ FoldbackStrip::duplicate_current_fb ()
new_rt_lst = _session->new_audio_route (io, io, 0, 1, new_name_tp, PresentationInfo::FoldbackBus, (uint32_t)-1); new_rt_lst = _session->new_audio_route (io, io, 0, 1, new_name_tp, PresentationInfo::FoldbackBus, (uint32_t)-1);
new_fb = *(new_rt_lst.begin ()); new_fb = *(new_rt_lst.begin ());
if (new_fb) { if (new_fb) {
double oldgain = old_fb->gain_control ()->get_value (); double oldgain = old_fb->gain_control ()->get_value ();
new_fb->gain_control ()->set_value (oldgain * 0.25, PBD::Controllable::NoGroup); new_fb->gain_control ()->set_value (oldgain * 0.25, PBD::Controllable::NoGroup);

39
gtk2_ardour/foldback_strip.h
View file

@ -95,10 +95,8 @@ private:
void level_changed (); void level_changed ();
void set_tooltip (); void set_tooltip ();
Gtk::Menu* build_send_menu (); Gtk::Menu* build_send_menu ();
ArdourWidgets::ArdourButton _button; ArdourWidgets::ArdourButton _button;
boost::shared_ptr<ARDOUR::Send> _send; boost::shared_ptr<ARDOUR::Send> _send;
boost::shared_ptr<ARDOUR::Route> _send_route; boost::shared_ptr<ARDOUR::Route> _send_route;
@ -130,7 +128,7 @@ public:
PannerUI& panner_ui () PannerUI& panner_ui ()
{ {
return panners; return _panners;
} }
boost::shared_ptr<ARDOUR::Stripable> stripable () const boost::shared_ptr<ARDOUR::Stripable> stripable () const
@ -158,7 +156,6 @@ private:
void io_changed_proxy (); void io_changed_proxy ();
void connect_to_pan (); void connect_to_pan ();
void update_panner_choices (); void update_panner_choices ();
void update_fb_level_control ();
void update_output_display (); void update_output_display ();
void update_send_box (); void update_send_box ();
void processors_changed (ARDOUR::RouteProcessorChange); void processors_changed (ARDOUR::RouteProcessorChange);
@ -178,31 +175,27 @@ private:
Gtk::Menu* build_route_select_menu (); Gtk::Menu* build_route_select_menu ();
Mixer_UI& _mixer; Mixer_UI& _mixer;
bool _showing_sends;
uint32_t _width;
bool _showing_sends; Gtk::EventBox _spacer;
uint32_t _width; Gtk::VBox _send_display;
ARDOUR::PeakMeter* _peak_meter; Gtk::ScrolledWindow _send_scroller;
Gtk::Frame _global_frame;
Gtk::VBox _global_vpacker;
Gtk::HBox _prev_next_box;
Gtk::HBox _level_box;
ProcessorBox* _insert_box;
ProcessorSelection _pr_selection;
PannerUI _panners;
IOButton _output_button;
Gtk::EventBox spacer; ArdourWidgets::ArdourButton _name_button;
Gtk::VBox send_display;
Gtk::ScrolledWindow send_scroller;
Gtk::Frame global_frame;
Gtk::VBox global_vpacker;
Gtk::HBox master_box;
Gtk::HBox prev_next_box;
ProcessorBox* insert_box;
ProcessorSelection _pr_selection;
PannerUI panners;
IOButton output_button;
ArdourWidgets::ArdourButton name_button;
ArdourWidgets::ArdourButton _previous_button; ArdourWidgets::ArdourButton _previous_button;
ArdourWidgets::ArdourButton _next_button; ArdourWidgets::ArdourButton _next_button;
ArdourWidgets::ArdourButton _hide_button; ArdourWidgets::ArdourButton _hide_button;
ArdourWidgets::ArdourButton _comment_button; ArdourWidgets::ArdourButton _comment_button;
ArdourWidgets::ArdourKnob* fb_level_control; ArdourWidgets::ArdourKnob _level_control;
ArdourWidgets::FastMeter* _meter; ArdourWidgets::FastMeter* _meter;
PBD::ScopedConnectionList _send_connections; PBD::ScopedConnectionList _send_connections;