2 Copyright (C) 2013 Paul Davis
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <sigc++/bind.h>
24 #include "ardour/session.h"
25 #include "ardour/route.h"
26 #include "ardour/route_group.h"
27 #include "ardour/meter.h"
29 #include "ardour/audio_track.h"
30 #include "ardour/midi_track.h"
32 #include <gtkmm2ext/gtk_ui.h>
33 #include <gtkmm2ext/utils.h>
34 #include <gtkmm2ext/rgb_macros.h>
36 #include "ardour_ui.h"
37 #include "global_signals.h"
39 #include "gui_thread.h"
40 #include "ardour_window.h"
42 #include "meterbridge.h"
43 #include "meter_strip.h"
47 using namespace ARDOUR;
50 using namespace Gtkmm2ext;
53 PBD::Signal1<void,MeterStrip*> MeterStrip::CatchDeletion;
55 MeterStrip::MetricPatterns MeterStrip::metric_patterns;
56 MeterStrip::TickPatterns MeterStrip::ticks_patterns;
58 MeterStrip::MeterStrip (int metricmode)
64 peakbx.set_size_request(-1, 14);
65 btnbox.set_size_request(-1, 16);
66 namebx.set_size_request(14, 52);
71 meter_metric_area.set_name ("AudioBusMetrics");
72 _types.push_back (DataType::AUDIO);
75 meter_metric_area.set_name ("AudioTrackMetrics");
76 _types.push_back (DataType::AUDIO);
79 meter_metric_area.set_name ("MidiTrackMetrics");
80 _types.push_back (DataType::MIDI);
83 meter_metric_area.set_name ("AudioMidiTrackMetrics");
84 _types.push_back (DataType::AUDIO);
85 _types.push_back (DataType::MIDI);
88 //meter_metric_area.queue_draw ();
90 set_size_request_to_display_given_text (meter_metric_area, "-8888", 1, 0);
91 meter_metric_area.signal_expose_event().connect (
92 sigc::mem_fun(*this, &MeterStrip::meter_metrics_expose));
94 meterbox.pack_start(meter_metric_area, true, false);
96 pack_start (peakbx, false, false);
97 pack_start (meterbox, true, true);
98 pack_start (btnbox, false, false);
99 pack_start (namebx, false, false);
103 meter_metric_area.show();
107 UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &MeterStrip::on_theme_changed));
108 ColorsChanged.connect (sigc::mem_fun (*this, &MeterStrip::on_theme_changed));
109 DPIReset.connect (sigc::mem_fun (*this, &MeterStrip::on_theme_changed));
112 MeterStrip::MeterStrip (Session* sess, boost::shared_ptr<ARDOUR::Route> rt)
119 RouteUI::set_route (rt);
122 if (_route->shared_peak_meter()->input_streams().n_total() == 1) {
126 // level meter + ticks
127 level_meter = new LevelMeter(sess);
128 level_meter->set_meter (_route->shared_peak_meter().get());
129 level_meter->clear_meters();
130 level_meter->setup_meters (400, meter_width, 6);
132 Gtk::Alignment *meter_align = Gtk::manage (new Gtk::Alignment());
133 meter_align->set(0.5, 0.5, 0.0, 1.0);
134 meter_align->add(*level_meter);
136 meterbox.pack_start(meter_ticks1_area, true, false);
137 meterbox.pack_start(*meter_align, true, true);
138 meterbox.pack_start(meter_ticks2_area, true, false);
141 peak_display.set_name ("meterbridge peakindicator");
142 peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
143 max_peak = minus_infinity();
144 peak_display.unset_flags (Gtk::CAN_FOCUS);
145 peak_display.set_size_request(12, 8);
146 peak_display.set_corner_radius(2);
148 Gtk::Alignment *peak_align = Gtk::manage (new Gtk::Alignment());
149 peak_align->set(0.5, 1.0, 1.0, 0.8);
150 peak_align->add(peak_display);
151 peakbx.pack_start(*peak_align, true, true, 3);
152 peakbx.set_size_request(-1, 14);
154 // add track-name label
155 name_label.set_text(_route->name().c_str());
156 name_label.set_corner_radius(2);
157 name_label.set_name("solo isolate"); // XXX re-use 'very_small_text'
158 name_label.set_angle(-90.0);
159 name_label.layout()->set_ellipsize (Pango::ELLIPSIZE_END);
160 name_label.layout()->set_width(48 * PANGO_SCALE);
161 name_label.set_size_request(14, 50);
163 namebx.set_size_request(14, 52);
164 namebx.pack_start(name_label, true, false, 3);
167 btnbox.pack_start(*rec_enable_button, true, false);
168 rec_enable_button->set_corner_radius(2);
169 btnbox.set_size_request(-1, 16);
171 pack_start (peakbx, false, false);
172 pack_start (meterbox, true, true);
173 pack_start (btnbox, false, false);
174 pack_start (namebx, false, false);
178 meter_ticks1_area.show();
179 meter_ticks2_area.show();
188 _route->shared_peak_meter()->ConfigurationChanged.connect (
189 route_connections, invalidator (*this), boost::bind (&MeterStrip::meter_configuration_changed, this, _1), gui_context()
191 meter_configuration_changed (_route->shared_peak_meter()->input_streams ());
193 meter_ticks1_area.set_size_request(3,-1);
194 meter_ticks2_area.set_size_request(3,-1);
195 meter_ticks1_area.signal_expose_event().connect (sigc::mem_fun(*this, &MeterStrip::meter_ticks1_expose));
196 meter_ticks2_area.signal_expose_event().connect (sigc::mem_fun(*this, &MeterStrip::meter_ticks2_expose));
198 _route->DropReferences.connect (route_connections, invalidator (*this), boost::bind (&MeterStrip::self_delete, this), gui_context());
199 _route->PropertyChanged.connect (route_connections, invalidator (*this), boost::bind (&MeterStrip::strip_property_changed, this, _1), gui_context());
201 peak_display.signal_button_release_event().connect (sigc::mem_fun(*this, &MeterStrip::peak_button_release), false);
203 UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &MeterStrip::on_theme_changed));
204 ColorsChanged.connect (sigc::mem_fun (*this, &MeterStrip::on_theme_changed));
205 DPIReset.connect (sigc::mem_fun (*this, &MeterStrip::on_theme_changed));
208 MeterStrip::~MeterStrip ()
211 CatchDeletion (this);
215 MeterStrip::self_delete ()
221 MeterStrip::update_rec_display ()
223 RouteUI::update_rec_display ();
227 MeterStrip::state_id() const
229 return string_compose ("mtrs %1", _route->id().to_s());
233 MeterStrip::set_button_names()
235 rec_enable_button->set_text (_("R"));
239 MeterStrip::strip_property_changed (const PropertyChange& what_changed)
241 if (!what_changed.contains (ARDOUR::Properties::name)) {
244 ENSURE_GUI_THREAD (*this, &MeterStrip::strip_name_changed, what_changed)
245 name_label.set_text(_route->name());
249 MeterStrip::fast_update ()
251 float mpeak = level_meter->update_meters();
252 if (mpeak > max_peak) {
255 peak_display.set_name ("meterbridge peakindicator on");
256 peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
262 MeterStrip::on_theme_changed()
264 metric_patterns.clear();
265 ticks_patterns.clear();
267 if (level_meter && _route) {
269 if (_route->shared_peak_meter()->input_streams().n_total() == 1) {
272 level_meter->setup_meters (400, meter_width, 6);
274 meter_metric_area.queue_draw();
275 meter_ticks1_area.queue_draw();
276 meter_ticks2_area.queue_draw();
280 MeterStrip::meter_configuration_changed (ChanCount c)
285 for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
286 if (c.get (*i) > 0) {
287 _types.push_back (*i);
292 // TODO draw Inactive routes or busses with different styles
293 if (boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
294 && boost::dynamic_pointer_cast<MidiTrack>(_route) == 0
296 meter_ticks1_area.set_name ("AudioBusMetrics");
297 meter_ticks2_area.set_name ("AudioBusMetrics");
299 else if (type == (1 << DataType::AUDIO)) {
300 meter_ticks1_area.set_name ("AudioTrackMetrics");
301 meter_ticks2_area.set_name ("AudioTrackMetrics");
303 else if (type == (1 << DataType::MIDI)) {
304 meter_ticks1_area.set_name ("MidiTrackMetrics");
305 meter_ticks2_area.set_name ("MidiTrackMetrics");
307 meter_ticks1_area.set_name ("AudioMidiTrackMetrics");
308 meter_ticks2_area.set_name ("AudioMidiTrackMetrics");
315 MeterStrip::on_size_request (Gtk::Requisition* r)
317 metric_patterns.clear();
318 ticks_patterns.clear();
319 VBox::on_size_request(r);
323 MeterStrip::on_size_allocate (Gtk::Allocation& a)
325 metric_patterns.clear();
326 ticks_patterns.clear();
327 VBox::on_size_allocate(a);
330 /* XXX code-copy from gain_meter.cc -- TODO consolidate
332 * slightly different:
333 * - ticks & label positions are swapped
334 * - more ticks for audio (longer meter by default)
335 * - right-aligned lables, unit-legend
336 * - height limitation of FastMeter::max_pattern_metric_size is included here
339 MeterStrip::render_metrics (Gtk::Widget& w, vector<DataType> types)
341 Glib::RefPtr<Gdk::Window> win (w.get_window());
344 win->get_size (width, height);
346 cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
347 cairo_t* cr = cairo_create (surface);
348 Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(w.get_pango_context());
351 Pango::AttrList audio_font_attributes;
352 Pango::AttrList midi_font_attributes;
353 Pango::AttrList unit_font_attributes;
355 Pango::AttrFontDesc* font_attr;
356 Pango::FontDescription font;
358 font = Pango::FontDescription (""); // use defaults
359 //font = get_font_for_style("gain-fader");
360 //font = w.get_style()->get_font();
362 font.set_weight (Pango::WEIGHT_NORMAL);
363 font.set_size (9.0 * PANGO_SCALE);
364 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
365 audio_font_attributes.change (*font_attr);
368 font.set_weight (Pango::WEIGHT_ULTRALIGHT);
369 font.set_stretch (Pango::STRETCH_ULTRA_CONDENSED);
370 font.set_size (7.5 * PANGO_SCALE);
371 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
372 midi_font_attributes.change (*font_attr);
375 font.set_size (7.0 * PANGO_SCALE);
376 font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
377 unit_font_attributes.change (*font_attr);
380 cairo_move_to (cr, 0, 0);
381 cairo_rectangle (cr, 0, 0, width, height);
383 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
384 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
388 height = min(1024, height); // XXX see FastMeter::max_pattern_metric_size
389 uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
391 for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
395 if (types.size() > 1) {
396 /* we're overlaying more than 1 set of marks, so use different colours */
399 case DataType::AUDIO:
400 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
401 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
404 c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
405 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
409 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
410 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
413 std::map<int,float> points;
416 case DataType::AUDIO:
417 layout->set_attributes (audio_font_attributes);
418 points.insert (std::pair<int,float>(-50, 0.5));
419 points.insert (std::pair<int,float>(-40, 0.5));
420 points.insert (std::pair<int,float>(-30, 0.5));
421 points.insert (std::pair<int,float>(-25, 0.5));
422 points.insert (std::pair<int,float>(-20, 1.0));
423 points.insert (std::pair<int,float>(-18, 1.0));
424 points.insert (std::pair<int,float>(-15, 1.0));
425 points.insert (std::pair<int,float>(-10, 1.0));
426 points.insert (std::pair<int,float>( -5, 1.0));
427 points.insert (std::pair<int,float>( -3, 0.5));
428 points.insert (std::pair<int,float>( 0, 1.0));
429 points.insert (std::pair<int,float>( 3, 0.5));
433 layout->set_attributes (midi_font_attributes);
434 points.insert (std::pair<int,float>( 0, 1.0));
435 if (types.size() == 1) {
436 points.insert (std::pair<int,float>( 16, 0.5));
437 points.insert (std::pair<int,float>( 32, 0.5));
438 points.insert (std::pair<int,float>( 48, 0.5));
439 points.insert (std::pair<int,float>( 64, 1.0));
440 points.insert (std::pair<int,float>( 80, 0.5));
441 points.insert (std::pair<int,float>( 96, 0.5));
442 points.insert (std::pair<int,float>(100, 0.5));
443 points.insert (std::pair<int,float>(112, 0.5));
445 /* labels that don't overlay with dB */
446 points.insert (std::pair<int,float>( 48, 0.5));
447 points.insert (std::pair<int,float>( 72, 0.5));
448 points.insert (std::pair<int,float>( 88, 0.5));
450 points.insert (std::pair<int,float>(127, 1.0));
457 for (std::map<int,float>::const_iterator j = points.begin(); j != points.end(); ++j) {
461 case DataType::AUDIO:
462 cairo_set_line_width (cr, (j->second));
464 cairo_set_source_rgb (cr,
465 UINT_RGBA_R_FLT(peakcolor),
466 UINT_RGBA_G_FLT(peakcolor),
467 UINT_RGBA_B_FLT(peakcolor));
469 fraction = log_meter (j->first);
470 snprintf (buf, sizeof (buf), "%+2d", j->first);
471 pos = height - (gint) floor (height * fraction);
472 cairo_move_to(cr, width-2.5, pos + .5);
473 cairo_line_to(cr, width, pos + .5);
477 cairo_set_line_width (cr, 1.0);
478 fraction = (j->first) / 127.0;
479 snprintf (buf, sizeof (buf), "%3d", j->first);
480 pos = height - (gint) rintf (height * fraction);
481 cairo_arc(cr, 3, pos, 1.0, 0, 2 * M_PI);
486 layout->set_text(buf);
488 /* we want logical extents, not ink extents here */
491 layout->get_pixel_size(tw, th);
493 int p = pos - (th / 2);
494 p = min (p, height - th);
497 cairo_move_to (cr, width-4-tw, p);
498 pango_cairo_show_layout (cr, layout->gobj());
502 if (types.size() == 1) {
504 layout->set_attributes (unit_font_attributes);
505 switch (types.at(0)) {
506 case DataType::AUDIO:
507 layout->set_text("dBFS");
508 layout->get_pixel_size(tw, th);
511 layout->set_text("vel");
512 layout->get_pixel_size(tw, th);
515 Gdk::Color c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
516 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
517 cairo_move_to (cr, 1, height - th - 1.5);
518 pango_cairo_show_layout (cr, layout->gobj());
521 cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
522 MetricPatterns::iterator p;
524 if ((p = metric_patterns.find (w.get_name())) != metric_patterns.end()) {
525 cairo_pattern_destroy (p->second);
528 metric_patterns[w.get_name()] = pattern;
531 cairo_surface_destroy (surface);
536 /* XXX code-copy from gain_meter.cc -- TODO consolidate */
538 MeterStrip::meter_metrics_expose (GdkEventExpose *ev)
540 Glib::RefPtr<Gdk::Window> win (meter_metric_area.get_window());
543 cr = gdk_cairo_create (win->gobj());
545 /* clip to expose area */
547 gdk_cairo_rectangle (cr, &ev->area);
550 cairo_pattern_t* pattern;
551 MetricPatterns::iterator i = metric_patterns.find (meter_metric_area.get_name());
553 if (i == metric_patterns.end()) {
554 pattern = render_metrics (meter_metric_area, _types);
559 cairo_move_to (cr, 0, 0);
560 cairo_set_source (cr, pattern);
563 win->get_size (width, height);
565 cairo_rectangle (cr, 0, 0, width, height);
574 MeterStrip::render_ticks (Gtk::Widget& w, vector<DataType> types)
576 Glib::RefPtr<Gdk::Window> win (w.get_window());
579 win->get_size (width, height);
581 cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
582 cairo_t* cr = cairo_create (surface);
584 cairo_move_to (cr, 0, 0);
585 cairo_rectangle (cr, 0, 0, width, height);
587 Gdk::Color c = w.get_style()->get_bg (Gtk::STATE_NORMAL);
588 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
592 height = min(1024, height); // XXX see FastMeter::max_pattern_metric_size
593 uint32_t peakcolor = ARDOUR_UI::config()->color_by_name ("meterbridge peaklabel");
595 for (vector<DataType>::const_iterator i = types.begin(); i != types.end(); ++i) {
599 if (types.size() > 1) {
600 /* we're overlaying more than 1 set of marks, so use different colours */
603 case DataType::AUDIO:
604 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
605 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
608 c = w.get_style()->get_fg (Gtk::STATE_ACTIVE);
609 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
613 c = w.get_style()->get_fg (Gtk::STATE_NORMAL);
614 cairo_set_source_rgb (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
617 std::map<int,float> points;
620 case DataType::AUDIO:
621 points.insert (std::pair<int,float>(-60, 0.5));
622 points.insert (std::pair<int,float>(-50, 0.5));
623 points.insert (std::pair<int,float>(-40, 0.5));
624 points.insert (std::pair<int,float>(-30, 0.5));
625 points.insert (std::pair<int,float>(-25, 0.5));
626 points.insert (std::pair<int,float>(-20, 1.0));
628 points.insert (std::pair<int,float>(-19, 0.5));
629 points.insert (std::pair<int,float>(-18, 1.0));
630 points.insert (std::pair<int,float>(-17, 0.5));
631 points.insert (std::pair<int,float>(-16, 0.5));
632 points.insert (std::pair<int,float>(-15, 1.0));
634 points.insert (std::pair<int,float>(-14, 0.5));
635 points.insert (std::pair<int,float>(-13, 0.5));
636 points.insert (std::pair<int,float>(-12, 0.5));
637 points.insert (std::pair<int,float>(-11, 0.5));
638 points.insert (std::pair<int,float>(-10, 1.0));
640 points.insert (std::pair<int,float>( -9, 0.5));
641 points.insert (std::pair<int,float>( -8, 0.5));
642 points.insert (std::pair<int,float>( -7, 0.5));
643 points.insert (std::pair<int,float>( -6, 0.5));
644 points.insert (std::pair<int,float>( -5, 1.0));
645 points.insert (std::pair<int,float>( -4, 0.5));
646 points.insert (std::pair<int,float>( -3, 0.5));
647 points.insert (std::pair<int,float>( -2, 0.5));
648 points.insert (std::pair<int,float>( -1, 0.5));
650 points.insert (std::pair<int,float>( 0, 1.0));
651 points.insert (std::pair<int,float>( 1, 0.5));
652 points.insert (std::pair<int,float>( 2, 0.5));
653 points.insert (std::pair<int,float>( 3, 0.5));
654 points.insert (std::pair<int,float>( 4, 0.5));
655 points.insert (std::pair<int,float>( 5, 0.5));
659 points.insert (std::pair<int,float>( 0, 1.0));
660 points.insert (std::pair<int,float>( 16, 0.5));
661 points.insert (std::pair<int,float>( 32, 0.5));
662 points.insert (std::pair<int,float>( 48, 0.5));
663 points.insert (std::pair<int,float>( 64, 1.0));
664 points.insert (std::pair<int,float>( 80, 0.5));
665 points.insert (std::pair<int,float>( 96, 0.5));
666 points.insert (std::pair<int,float>(100, 1.0));
667 points.insert (std::pair<int,float>(112, 0.5));
668 points.insert (std::pair<int,float>(127, 1.0));
672 for (std::map<int,float>::const_iterator j = points.begin(); j != points.end(); ++j) {
673 cairo_set_line_width (cr, (j->second));
679 case DataType::AUDIO:
681 cairo_set_source_rgb (cr,
682 UINT_RGBA_R_FLT(peakcolor),
683 UINT_RGBA_G_FLT(peakcolor),
684 UINT_RGBA_B_FLT(peakcolor));
686 fraction = log_meter (j->first);
687 pos = height - (gint) floor (height * fraction);
688 cairo_move_to(cr, 0, pos + .5);
689 cairo_line_to(cr, 3, pos + .5);
693 fraction = (j->first) / 127.0;
694 pos = height - (gint) floor (height * fraction);
695 cairo_arc(cr, 1.5, pos, 1.0, 0, 2 * M_PI);
702 cairo_pattern_t* pattern = cairo_pattern_create_for_surface (surface);
703 TickPatterns::iterator p;
705 if ((p = ticks_patterns.find (w.get_name())) != metric_patterns.end()) {
706 cairo_pattern_destroy (p->second);
709 ticks_patterns[w.get_name()] = pattern;
712 cairo_surface_destroy (surface);
718 MeterStrip::meter_ticks1_expose (GdkEventExpose *ev)
720 return meter_ticks_expose(ev, &meter_ticks1_area);
724 MeterStrip::meter_ticks2_expose (GdkEventExpose *ev)
726 return meter_ticks_expose(ev, &meter_ticks2_area);
730 MeterStrip::meter_ticks_expose (GdkEventExpose *ev, Gtk::DrawingArea *mta)
732 Glib::RefPtr<Gdk::Window> win (mta->get_window());
735 cr = gdk_cairo_create (win->gobj());
737 /* clip to expose area */
739 gdk_cairo_rectangle (cr, &ev->area);
742 cairo_pattern_t* pattern;
743 TickPatterns::iterator i = ticks_patterns.find (mta->get_name());
745 if (i == ticks_patterns.end()) {
746 pattern = render_ticks (*mta, _types);
751 cairo_move_to (cr, 0, 0);
752 cairo_set_source (cr, pattern);
755 win->get_size (width, height);
757 cairo_rectangle (cr, 0, 0, width, height);
766 MeterStrip::reset_group_peak_display (RouteGroup* group)
768 /* UNUSED -- need connection w/mixer || other meters */
769 if (_route && group == _route->route_group()) {
770 reset_peak_display ();
775 MeterStrip::reset_peak_display ()
777 _route->shared_peak_meter()->reset_max();
778 level_meter->clear_meters();
779 max_peak = -INFINITY;
780 peak_display.set_name ("meterbridge peakindicator");
781 peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
785 MeterStrip::peak_button_release (GdkEventButton* ev)
787 reset_peak_display ();