Robin Gareus
4050ca5633
Copyright-holder and year information is extracted from git log. git history begins in 2005. So (C) from 1998..2005 is lost. Also some (C) assignment of commits where the committer didn't use --author.
123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
/*
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* Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2016 Paul Davis <paul@linuxaudiosystems.com>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <gtkmm/table.h>
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#include "gtkmm2ext/utils.h"
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#include "gtkmm2ext/gtk_ui.h"
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#include "gtkmm2ext/gui_thread.h"
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#include "pbd/controllable.h"
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#include "mono_panner_editor.h"
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#include "mono_panner.h"
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#include "pbd/i18n.h"
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using namespace Gtk;
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using namespace Gtkmm2ext;
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using PBD::Controllable;
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MonoPannerEditor::MonoPannerEditor (MonoPanner* p)
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: PannerEditor (_("Mono Panner"))
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, _panner (p)
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, _ignore_changes (false)
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{
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Table* t = manage (new Table (2, 3));
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t->set_spacings (6);
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int n = 0;
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t->attach (*manage (left_aligned_label (_("Left"))), 0, 1, n, n + 1);
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t->attach (_left, 1, 2, n, n + 1);
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t->attach (*manage (left_aligned_label (_("%"))), 2, 3, n, n + 1);
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++n;
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t->attach (*manage (left_aligned_label (_("Right"))), 0, 1, n, n + 1);
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t->attach (_right, 1, 2, n, n + 1);
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t->attach (*manage (left_aligned_label (_("%"))), 2, 3, n, n + 1);
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++n;
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get_vbox()->pack_start (*manage (t));
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get_vbox()->set_spacing (6);
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_left.set_increments (1, 10);
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_left.set_range (0, 100);
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_right.set_increments (1, 10);
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_right.set_range (0, 100);
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_panner->get_controllable()->Changed.connect (_connections, invalidator (*this), boost::bind (&MonoPannerEditor::update_editor, this), gui_context ());
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_panner->DropReferences.connect (_connections, invalidator (*this), boost::bind (&MonoPannerEditor::panner_going_away, this), gui_context ());
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_left.signal_value_changed().connect (sigc::mem_fun (*this, &MonoPannerEditor::left_changed));
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_right.signal_value_changed().connect (sigc::mem_fun (*this, &MonoPannerEditor::right_changed));
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show_all ();
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update_editor ();
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}
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void
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MonoPannerEditor::panner_going_away ()
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{
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_panner = 0;
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}
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void
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MonoPannerEditor::update_editor ()
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{
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if (!_panner) {
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return;
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}
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float const v = _panner->get_controllable()->get_value();
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_ignore_changes = true;
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_left.set_value (100 * (1 - v));
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_right.set_value (100 * v);
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_ignore_changes = false;
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}
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void
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MonoPannerEditor::left_changed ()
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{
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if (_ignore_changes || !_panner) {
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return;
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}
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float const v = 1 - _left.get_value () / 100;
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_ignore_changes = true;
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_right.set_value (100 * v);
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_panner->get_controllable()->set_value (v, Controllable::NoGroup);
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_ignore_changes = false;
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}
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void
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MonoPannerEditor::right_changed ()
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{
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if (_ignore_changes || !_panner) {
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return;
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}
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float const v = _right.get_value () / 100;
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_ignore_changes = true;
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_left.set_value (100 * (1 - v));
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_panner->get_controllable()->set_value (v, Controllable::NoGroup);
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_ignore_changes = false;
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}
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