151 lines
4.4 KiB
C++
151 lines
4.4 KiB
C++
#include "ardour/logmeter.h"
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#include "ardour/audioengine.h"
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#include <gtkmm/alignment.h>
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#include <gtkmm/viewport.h>
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#include "widgets/fastmeter.h"
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#include "gui_thread.h"
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#include "livetrax_meters.h"
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#include "ui_config.h"
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using namespace ARDOUR;
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using namespace ArdourWidgets;
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#define PX_SCALE(px) std::max ((float)px, rintf ((float)px* UIConfiguration::instance ().get_ui_scale ()))
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LiveTraxMeters::LiveTraxMeters ()
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{
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set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_NEVER);
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Gtk::Alignment* container = manage (new Gtk::Alignment (.5, .5, 0, 0));
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_meter_box.set_border_width (PX_SCALE (0));
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_meter_box.set_spacing (PX_SCALE (10));
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container->add (_meter_box);
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container->show ();
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add (*container);
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Gtk::Viewport *vp = dynamic_cast<Gtk::Viewport*> (get_child());
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vp->set_shadow_type(Gtk::SHADOW_NONE);
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AudioEngine::instance ()->Running.connect (_engine_connections, invalidator (*this), boost::bind (&LiveTraxMeters::start_updating, this), gui_context ());
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AudioEngine::instance ()->Stopped.connect (_engine_connections, invalidator (*this), boost::bind (&LiveTraxMeters::stop_updating, this), gui_context ());
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AudioEngine::instance ()->Halted.connect (_engine_connections, invalidator (*this), boost::bind (&LiveTraxMeters::stop_updating, this), gui_context ());
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if (ARDOUR::AudioEngine::instance ()->running ()) {
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start_updating ();
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}
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}
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LiveTraxMeters::~LiveTraxMeters ()
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{
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}
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void
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LiveTraxMeters::start_updating ()
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{
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resize (AudioEngine::instance ()->audio_input_ports ().size ());
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_fast_screen_update_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &LiveTraxMeters::update_meters), 40, GDK_PRIORITY_REDRAW + 10);
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}
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void
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LiveTraxMeters::stop_updating ()
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{
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_fast_screen_update_connection.disconnect ();
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resize (0);
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}
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void
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LiveTraxMeters::resize (size_t sz)
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{
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size_t old = _meters.size();
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while (old > sz) {
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/* Widgets are all managed so this should delete them as they
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are removed.
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*/
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_meter_box.remove (*_widgets[old - 1]);
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_meters.pop_back ();
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_widgets.pop_back ();
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old--;
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}
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if (old == sz) {
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return;
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}
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uint32_t c[10];
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uint32_t b[4];
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float stp[4];
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c[0] = UIConfiguration::instance().color ("meter color0");
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c[1] = UIConfiguration::instance().color ("meter color1");
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c[2] = UIConfiguration::instance().color ("meter color2");
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c[3] = UIConfiguration::instance().color ("meter color3");
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c[4] = UIConfiguration::instance().color ("meter color4");
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c[5] = UIConfiguration::instance().color ("meter color5");
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c[6] = UIConfiguration::instance().color ("meter color6");
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c[7] = UIConfiguration::instance().color ("meter color7");
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c[8] = UIConfiguration::instance().color ("meter color8");
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c[9] = UIConfiguration::instance().color ("meter color9");
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b[0] = UIConfiguration::instance().color ("meter background bottom");
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b[1] = UIConfiguration::instance().color ("meter background top");
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b[2] = 0x991122ff; // red highlight gradient Bot
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b[3] = 0x551111ff; // red highlight gradient Top
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stp[0] = 115.0 * log_meter0dB (-15);
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stp[1] = 115.0 * log_meter0dB (-9);
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stp[2] = 115.0 * log_meter0dB (-3);
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stp[3] = 115.0;
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// XXX config changed -> update meter style (and size)
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for (size_t i = old; i < sz; ++i) {
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_meters.push_back (manage (new FastMeter (10 /* (uint32_t)floor (UIConfiguration::instance ().get_meter_hold ()) */,
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8, FastMeter::Vertical, PX_SCALE (64),
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c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7], c[8], c[9],
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b[0], b[1], b[2], b[3],
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stp[0], stp[1], stp[2], stp[3],
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(UIConfiguration::instance ().get_meter_style_led () ? 3 : 1))));
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Gtk::VBox* vb = manage (new Gtk::VBox);
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char buf[16];
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snprintf (buf, sizeof (buf), "%zu", i+1);
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Gtk::Label* l = manage (new Gtk::Label (buf));
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vb->pack_start (*_meters.back(), true, true);
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vb->pack_start (*l, false, false, PX_SCALE(3));
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_widgets.push_back (vb);
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_meter_box.pack_start (*vb, false, false, 0);
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}
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_meter_box.show_all ();
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if (get_parent ()) {
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queue_resize ();
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}
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}
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bool
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LiveTraxMeters::update_meters ()
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{
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PortManager::AudioInputPorts const aip (AudioEngine::instance ()->audio_input_ports ());
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size_t n = 0;
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for (auto const & p : aip) {
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if (n >= _meters.size()) {
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break;
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}
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_meters[n]->set (p.second.meter->level, p.second.meter->peak);
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++n;
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}
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return true;
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}
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