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 StereoPannerEditor::StereoPannerEditor (StereoPanner* p)
35 : PannerEditor (_("Stereo Panner"))
37 , _ignore_changes (false)
39 Table* t = manage (new Table (2, 3));
44 t->attach (*manage (left_aligned_label (_("Position"))), 0, 1, n, n + 1);
45 t->attach (_position, 1, 2, n, n + 1);
46 t->attach (*manage (left_aligned_label (_("%"))), 2, 3, n, n + 1);
49 t->attach (*manage (left_aligned_label (_("Width"))), 0, 1, n, n + 1);
50 t->attach (_width, 1, 2, n, n + 1);
51 t->attach (*manage (left_aligned_label (_("%"))), 2, 3, n, n + 1);
54 get_vbox()->pack_start (*manage (t));
55 get_vbox()->set_spacing (6);
57 _position.set_increments (1, 10);
58 _width.set_increments (1, 10);
59 set_position_range ();
62 _panner->get_position_controllable()->Changed.connect (
63 _connections, invalidator (*this), boost::bind (&StereoPannerEditor::update_editor, this), gui_context ()
66 _panner->get_width_controllable()->Changed.connect (
67 _connections, invalidator (*this), boost::bind (&StereoPannerEditor::update_editor, this), gui_context ()
70 _panner->DropReferences.connect (_connections, invalidator (*this), boost::bind (&StereoPannerEditor::panner_going_away, this), gui_context ());
71 _position.signal_value_changed().connect (sigc::mem_fun (*this, &StereoPannerEditor::position_changed));
72 _width.signal_value_changed().connect (sigc::mem_fun (*this, &StereoPannerEditor::width_changed));
79 StereoPannerEditor::panner_going_away ()
85 StereoPannerEditor::update_editor ()
91 _ignore_changes = true;
92 _position.set_value (100 * _panner->get_position_controllable()->get_value ());
93 _width.set_value (100 * _panner->get_width_controllable()->get_value ());
94 _ignore_changes = false;
98 StereoPannerEditor::position_changed ()
100 if (_ignore_changes || !_panner) {
104 _ignore_changes = true;
105 double const v = _position.get_value() / 100;
106 _panner->get_position_controllable()->set_value (v);
108 _ignore_changes = false;
112 StereoPannerEditor::width_changed ()
114 if (_ignore_changes || !_panner) {
118 _ignore_changes = true;
119 double const v = _width.get_value() / 100;
120 _panner->get_width_controllable()->set_value (v);
121 set_position_range ();
122 _ignore_changes = false;
126 StereoPannerEditor::set_position_range ()
128 pair<double, double> const pr = _panner->panner()->position_range ();
129 _position.set_range (pr.first * 100, pr.second * 100);
133 StereoPannerEditor::set_width_range ()
135 pair<double, double> const wr = _panner->panner()->width_range ();
136 _width.set_range (wr.first * 100, wr.second * 100);