2 Copyright (C) 2009 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.
23 #include "ardour/latent.h"
24 #include "pbd/convert.h"
25 #include "pbd/error.h"
26 #include <gtkmm2ext/utils.h>
28 #include "latency_gui.h"
34 using namespace Gtkmm2ext;
35 using namespace ARDOUR;
38 static const gchar *_unit_strings[] = {
45 std::vector<std::string> LatencyGUI::unit_strings;
48 LatencyBarController::get_label (double&)
50 double const nframes = _latency_gui->adjustment.get_value();
53 if (nframes < (_latency_gui->sample_rate / 1000.0)) {
54 s << ((framepos_t) rint (nframes)) << " samples";
56 s << std::fixed << std::setprecision (2) << (nframes / (_latency_gui->sample_rate / 1000.0)) << " msecs";
62 LatencyGUI::LatencyGUI (Latent& l, framepos_t sr, framepos_t psz)
64 initial_value (_latent.user_latency()),
67 ignored (new PBD::IgnorableControllable()),
68 /* max 1 second, step by frames, page by msecs */
69 adjustment (initial_value, 0.0, sample_rate, 1.0, sample_rate / 1000.0f),
70 bc (adjustment, this),
71 reset_button (_("Reset"))
75 if (unit_strings.empty()) {
76 unit_strings = I18N (_unit_strings);
79 set_popdown_strings (units_combo, unit_strings);
80 units_combo.set_active_text (unit_strings.front());
82 w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
85 w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
87 minus_button.add (*w);
89 hbox1.pack_start (bc, true, true);
91 hbox2.set_homogeneous (false);
92 hbox2.set_spacing (12);
93 hbox2.pack_start (reset_button);
94 hbox2.pack_start (minus_button);
95 hbox2.pack_start (plus_button);
96 hbox2.pack_start (units_combo, true, true);
98 minus_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (*this, &LatencyGUI::change_latency_from_button), -1));
99 plus_button.signal_clicked().connect (sigc::bind (sigc::mem_fun (*this, &LatencyGUI::change_latency_from_button), 1));
100 reset_button.signal_clicked().connect (sigc::mem_fun (*this, &LatencyGUI::reset));
102 adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &LatencyGUI::finish));
104 bc.set_size_request (-1, 25);
105 bc.set_style (BarController::LeftToRight);
106 bc.set_use_parent (true);
107 bc.set_name (X_("PluginSlider"));
110 pack_start (hbox1, true, true);
111 pack_start (hbox2, true, true);
115 LatencyGUI::finish ()
117 framepos_t new_value = (framepos_t) adjustment.get_value();
118 if (new_value != initial_value) {
119 _latent.set_user_latency (new_value);
126 _latent.set_user_latency (0);
127 adjustment.set_value (initial_value);
131 LatencyGUI::refresh ()
133 initial_value = _latent.signal_latency();
134 adjustment.set_value (initial_value);
138 LatencyGUI::change_latency_from_button (int dir)
140 std::string unitstr = units_combo.get_active_text();
143 if (unitstr == unit_strings[0]) {
145 } else if (unitstr == unit_strings[1]) {
146 shift = (sample_rate / 1000.0);
147 } else if (unitstr == unit_strings[2]) {
150 fatal << string_compose (_("programming error: %1 (%2)"), X_("illegal string in latency GUI units combo"), unitstr)
156 adjustment.set_value (adjustment.get_value() + shift);
158 adjustment.set_value (adjustment.get_value() - shift);
162 LatencyDialog::LatencyDialog (const std::string& title, Latent& l, framepos_t sr, framepos_t psz)
163 : ArdourDialog (title, false, true),
166 get_vbox()->pack_start (lwidget);
167 add_button (Stock::CLOSE, RESPONSE_CLOSE);