2 Copyright (C) 2012 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.
21 #include "gtkmm2ext/utils.h"
22 #include "gtkmm2ext/gtk_ui.h"
23 #include "gtkmm2ext/gui_thread.h"
24 #include "ardour/panner.h"
25 #include "pbd/controllable.h"
26 #include "stereo_panner_editor.h"
27 #include "stereo_panner.h"
32 using namespace Gtkmm2ext;
34 using PBD::Controllable;
36 StereoPannerEditor::StereoPannerEditor (StereoPanner* p)
37 : PannerEditor (_("Stereo Panner"))
39 , _ignore_changes (false)
41 Table* t = manage (new Table (2, 3));
46 t->attach (*manage (left_aligned_label (_("Position"))), 0, 1, n, n + 1);
47 t->attach (_position, 1, 2, n, n + 1);
48 t->attach (*manage (left_aligned_label (_("%"))), 2, 3, n, n + 1);
51 t->attach (*manage (left_aligned_label (_("Width"))), 0, 1, n, n + 1);
52 t->attach (_width, 1, 2, n, n + 1);
53 t->attach (*manage (left_aligned_label (_("%"))), 2, 3, n, n + 1);
56 get_vbox()->pack_start (*manage (t));
57 get_vbox()->set_spacing (6);
59 _position.set_increments (1, 10);
60 _width.set_increments (1, 10);
61 set_position_range ();
64 _panner->get_position_controllable()->Changed.connect (
65 _connections, invalidator (*this), boost::bind (&StereoPannerEditor::update_editor, this), gui_context ()
68 _panner->get_width_controllable()->Changed.connect (
69 _connections, invalidator (*this), boost::bind (&StereoPannerEditor::update_editor, this), gui_context ()
72 _panner->DropReferences.connect (_connections, invalidator (*this), boost::bind (&StereoPannerEditor::panner_going_away, this), gui_context ());
73 _position.signal_value_changed().connect (sigc::mem_fun (*this, &StereoPannerEditor::position_changed));
74 _width.signal_value_changed().connect (sigc::mem_fun (*this, &StereoPannerEditor::width_changed));
81 StereoPannerEditor::panner_going_away ()
87 StereoPannerEditor::update_editor ()
93 _ignore_changes = true;
94 _position.set_value (100 * _panner->get_position_controllable()->get_value ());
95 _width.set_value (100 * _panner->get_width_controllable()->get_value ());
96 _ignore_changes = false;
100 StereoPannerEditor::position_changed ()
102 if (_ignore_changes || !_panner) {
106 _ignore_changes = true;
107 double const v = _position.get_value() / 100;
108 _panner->get_position_controllable()->set_value (v, Controllable::NoGroup);
110 _ignore_changes = false;
114 StereoPannerEditor::width_changed ()
116 if (_ignore_changes || !_panner) {
120 _ignore_changes = true;
121 double const v = _width.get_value() / 100;
122 _panner->get_width_controllable()->set_value (v, Controllable::NoGroup);
123 set_position_range ();
124 _ignore_changes = false;
128 StereoPannerEditor::set_position_range ()
130 pair<double, double> const pr = _panner->panner()->position_range ();
131 _position.set_range (pr.first * 100, pr.second * 100);
135 StereoPannerEditor::set_width_range ()
137 pair<double, double> const wr = _panner->panner()->width_range ();
138 _width.set_range (wr.first * 100, wr.second * 100);