2 Copyright (C) 2002 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <ardour/io.h>
23 #include <ardour/route.h>
24 #include <ardour/route_group.h>
25 #include <ardour/session.h>
26 #include <ardour/session_route.h>
27 #include <ardour/dB.h>
29 #include <gtkmm2ext/utils.h>
30 #include <gtkmm2ext/fastmeter.h>
31 #include <gtkmm2ext/stop_signal.h>
32 #include <gtkmm2ext/barcontroller.h>
33 #include <midi++/manager.h>
34 #include <pbd/fastlog.h>
36 #include "ardour_ui.h"
37 #include "level_meter.h"
40 #include "gui_thread.h"
42 #include "public_editor.h"
44 #include <ardour/session.h>
45 #include <ardour/route.h>
49 using namespace ARDOUR;
51 using namespace Gtkmm2ext;
56 //sigc::signal<void> LevelMeter::ResetAllPeakDisplays;
57 //sigc::signal<void,RouteGroup*> LevelMeter::ResetGroupPeakDisplays;
60 LevelMeter::LevelMeter (boost::shared_ptr<IO> io, Session& s)
66 Config->ParameterChanged.connect (mem_fun (*this, &LevelMeter::parameter_changed));
67 UI::instance()->theme_changed.connect (mem_fun(*this, &LevelMeter::on_theme_changed));
68 ColorsChanged.connect (mem_fun (*this, &LevelMeter::color_handler));
69 max_peak = minus_infinity();
73 LevelMeter::on_theme_changed()
78 LevelMeter::~LevelMeter ()
80 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
88 LevelMeter::update_meters ()
90 vector<MeterInfo>::iterator i;
94 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
96 peak = _io->peak_input_power (n);
97 (*i).meter->set (log_meter (peak));
98 mpeak = _io->max_peak_power(n);
99 if (mpeak > max_peak) {
108 LevelMeter::parameter_changed(const char* parameter_name)
110 #define PARAM_IS(x) (!strcmp (parameter_name, (x)))
112 ENSURE_GUI_THREAD (bind (mem_fun(*this, &LevelMeter::parameter_changed), parameter_name));
114 if (PARAM_IS ("meter-hold")) {
116 vector<MeterInfo>::iterator i;
119 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
121 (*i).meter->set_hold_count ((uint32_t) floor(Config->get_meter_hold()));
129 LevelMeter::hide_all_meters ()
132 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
134 remove (*((*i).meter));
141 LevelMeter::setup_meters (int len, int initial_width)
143 regular_meter_width = initial_width;
144 uint32_t nmeters = _io->n_outputs();
151 if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
153 switch (r->meter_point()) {
156 nmeters = r->n_inputs();
159 nmeters = r->n_outputs();
165 nmeters = _io->n_outputs();
174 width = regular_meter_width;
176 width = thin_meter_width;
179 while (meters.size() < nmeters) {
180 meters.push_back (MeterInfo());
184 int b = ARDOUR_UI::config()->canvasvar_MeterColorBase.get();
185 int m = ARDOUR_UI::config()->canvasvar_MeterColorMid.get();
186 int t = ARDOUR_UI::config()->canvasvar_MeterColorTop.get();
187 int c = ARDOUR_UI::config()->canvasvar_MeterColorClip.get();
189 //cerr << "LevelMeter::setup_meters() called color_changed = " << color_changed << " colors: " << endl;//DEBUG
191 for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
192 if (meters[n].width != width || meters[n].length != len || color_changed) {
193 delete meters[n].meter;
194 meters[n].meter = new FastMeter ((uint32_t) floor (Config->get_meter_hold()), width, FastMeter::Vertical, len, b, m, t, c);
195 //cerr << "LevelMeter::setup_meters() w:l = " << width << ":" << len << endl;//DEBUG
196 meters[n].width = width;
197 meters[n].length = len;
198 meters[n].meter->add_events (Gdk::BUTTON_RELEASE_MASK);
199 meters[n].meter->signal_button_release_event().connect (bind (mem_fun(*this, &LevelMeter::meter_button_release), n));
202 pack_end (*meters[n].meter, false, false);
203 meters[n].meter->show_all ();
204 meters[n].packed = true;
207 color_changed = false;
211 LevelMeter::meter_button_release (GdkEventButton* ev, uint32_t which)
213 if (ev->button == 1) {
220 void LevelMeter::clear_meters ()
222 for (vector<MeterInfo>::iterator i = meters.begin(); i < meters.end(); i++) {
225 max_peak = minus_infinity();
228 void LevelMeter::hide_meters ()
234 LevelMeter::color_handler ()
236 color_changed = true;