git-svn-id: svn://localhost/ardour2/branches/3.0@3248 d708f5d6-7413-0410-9779-e7cbd77b26cf
240 lines
5.4 KiB
C++
240 lines
5.4 KiB
C++
/*
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Copyright (C) 2002 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <limits.h>
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#include <ardour/io.h>
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#include <ardour/route.h>
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#include <ardour/route_group.h>
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#include <ardour/session.h>
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#include <ardour/session_route.h>
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#include <ardour/dB.h>
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#include <ardour/meter.h>
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#include <gtkmm2ext/utils.h>
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#include <gtkmm2ext/fastmeter.h>
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#include <gtkmm2ext/stop_signal.h>
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#include <gtkmm2ext/barcontroller.h>
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#include <midi++/manager.h>
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#include <pbd/fastlog.h>
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#include "ardour_ui.h"
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#include "level_meter.h"
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#include "utils.h"
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#include "logmeter.h"
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#include "gui_thread.h"
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#include "keyboard.h"
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#include "public_editor.h"
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#include <ardour/session.h>
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#include <ardour/route.h>
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Gtkmm2ext;
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using namespace Gtk;
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using namespace sigc;
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using namespace std;
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//sigc::signal<void> LevelMeter::ResetAllPeakDisplays;
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//sigc::signal<void,RouteGroup*> LevelMeter::ResetGroupPeakDisplays;
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LevelMeter::LevelMeter (boost::shared_ptr<IO> io, Session& s)
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: _io (io),
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_session (s)
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{
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set_spacing (1);
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Config->ParameterChanged.connect (mem_fun (*this, &LevelMeter::parameter_changed));
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UI::instance()->theme_changed.connect (mem_fun(*this, &LevelMeter::on_theme_changed));
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ColorsChanged.connect (mem_fun (*this, &LevelMeter::color_handler));
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max_peak = minus_infinity();
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}
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void
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LevelMeter::on_theme_changed()
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{
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style_changed = true;
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}
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LevelMeter::~LevelMeter ()
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{
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for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
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if ((*i).meter) {
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delete (*i).meter;
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}
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}
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}
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float
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LevelMeter::update_meters ()
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{
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vector<MeterInfo>::iterator i;
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uint32_t n;
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float peak, mpeak;
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for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
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if ((*i).packed) {
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peak = _io->peak_meter().peak_power (n);
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(*i).meter->set (log_meter (peak));
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mpeak = _io->peak_meter().max_peak_power(n);
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if (mpeak > max_peak) {
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max_peak = mpeak;
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}
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}
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}
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return max_peak;
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}
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void
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LevelMeter::parameter_changed(const char* parameter_name)
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{
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#define PARAM_IS(x) (!strcmp (parameter_name, (x)))
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ENSURE_GUI_THREAD (bind (mem_fun(*this, &LevelMeter::parameter_changed), parameter_name));
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if (PARAM_IS ("meter-hold")) {
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vector<MeterInfo>::iterator i;
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uint32_t n;
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for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
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(*i).meter->set_hold_count ((uint32_t) floor(Config->get_meter_hold()));
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}
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}
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#undef PARAM_IS
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}
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void
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LevelMeter::hide_all_meters ()
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{
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for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
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if ((*i).packed) {
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remove (*((*i).meter));
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(*i).packed = false;
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}
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}
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}
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void
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LevelMeter::setup_meters (int len, int initial_width)
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{
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uint32_t nmeters = _io->n_outputs().n_total();
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regular_meter_width = initial_width;
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guint16 width;
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hide_all_meters ();
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Route* r;
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if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
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switch (r->meter_point()) {
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case MeterPreFader:
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case MeterInput:
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nmeters = r->n_inputs().n_total();
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break;
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case MeterPostFader:
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nmeters = r->n_outputs().n_total();
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break;
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}
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} else {
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nmeters = _io->n_outputs().n_total();
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}
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if (nmeters == 0) {
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return;
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}
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if (nmeters <= 2) {
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width = regular_meter_width;
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} else {
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width = thin_meter_width;
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}
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while (meters.size() < nmeters) {
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meters.push_back (MeterInfo());
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}
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int b = ARDOUR_UI::config()->canvasvar_MeterColorBase.get();
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int m = ARDOUR_UI::config()->canvasvar_MeterColorMid.get();
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int t = ARDOUR_UI::config()->canvasvar_MeterColorTop.get();
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int c = ARDOUR_UI::config()->canvasvar_MeterColorClip.get();
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//cerr << "LevelMeter::setup_meters() called color_changed = " << color_changed << " colors: " << endl;//DEBUG
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for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
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if (meters[n].width != width || meters[n].length != len || color_changed) {
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delete meters[n].meter;
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meters[n].meter = new FastMeter ((uint32_t) floor (Config->get_meter_hold()), width, FastMeter::Vertical, len, b, m, t, c);
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//cerr << "LevelMeter::setup_meters() w:l = " << width << ":" << len << endl;//DEBUG
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meters[n].width = width;
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meters[n].length = len;
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meters[n].meter->add_events (Gdk::BUTTON_RELEASE_MASK);
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meters[n].meter->signal_button_release_event().connect (bind (mem_fun(*this, &LevelMeter::meter_button_release), n));
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}
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pack_end (*meters[n].meter, false, false);
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meters[n].meter->show_all ();
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meters[n].packed = true;
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}
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show();
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color_changed = false;
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}
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gint
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LevelMeter::meter_button_release (GdkEventButton* ev, uint32_t which)
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{
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if (ev->button == 1) {
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clear_meters();
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}
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return true;
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}
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void LevelMeter::clear_meters ()
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{
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for (vector<MeterInfo>::iterator i = meters.begin(); i < meters.end(); i++) {
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(*i).meter->clear();
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}
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max_peak = minus_infinity();
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}
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void LevelMeter::hide_meters ()
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{
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hide_all_meters();
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}
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void
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LevelMeter::color_handler ()
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{
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color_changed = true;
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}
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