Use bound arguments to lose some methods.

[dcpomatic.git] / src / wx / audio_mapping_view.cc

diff --git a/src/wx/audio_mapping_view.cc b/src/wx/audio_mapping_view.cc
index 140f18d60341207cd03ad2bdc89a4999c32e4a56..df2759ef6b97021dadd2802b82fe035ec961ac13 100644 (file)
--- a/src/wx/audio_mapping_view.cc
+++ b/src/wx/audio_mapping_view.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2019 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2020 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -84,9 +84,9 @@ AudioMappingView::AudioMappingView (wxWindow* parent, wxString left_label, wxStr
 #endif
 
        Bind (wxEVT_SIZE, boost::bind(&AudioMappingView::size, this, _1));
-       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::off, this), ID_off);
-       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::full, this), ID_full);
-       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::minus6dB, this), ID_minus6dB);
+       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::set_gain_from_menu, this, 0), ID_off);
+       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::set_gain_from_menu, this, 1), ID_full);
+       Bind (wxEVT_MENU, boost::bind(&AudioMappingView::set_gain_from_menu, this, db_to_linear(-6)), ID_minus6dB);
        Bind (wxEVT_MENU, boost::bind(&AudioMappingView::edit, this), ID_edit);
        Bind (wxEVT_MOUSEWHEEL, boost::bind(&AudioMappingView::mouse_wheel, this, _1));
        _body->Bind (wxEVT_PAINT, boost::bind(&AudioMappingView::paint, this));
@@ -308,7 +308,7 @@ AudioMappingView::paint_indicators (wxDC& dc)
                                        )
                                );
 
-                       float const value_dB = 20 * log10 (_map.get(y, x));
+                       float const value_dB = linear_to_db(_map.get(y, x));
                        int const range = 18;
                        int height = 0;
                        if (value_dB > -range) {
@@ -488,23 +488,9 @@ AudioMappingView::map_values_changed ()
 }
 
 void
-AudioMappingView::off ()
+AudioMappingView::set_gain_from_menu (double linear)
 {
-       _map.set (_menu_input, _menu_output, 0);
-       map_values_changed ();
-}
-
-void
-AudioMappingView::full ()
-{
-       _map.set (_menu_input, _menu_output, 1);
-       map_values_changed ();
-}
-
-void
-AudioMappingView::minus6dB ()
-{
-       _map.set (_menu_input, _menu_output, pow (10, -6.0 / 20));
+       _map.set (_menu_input, _menu_output, linear);
        map_values_changed ();
 }
 
@@ -599,7 +585,7 @@ AudioMappingView::motion (wxMouseEvent& ev)
                                        safe_output_channel_name(channels->second)
                                        );
                        } else {
-                               float const dB = 20 * log10 (gain);
+                               float const dB = linear_to_db(gain);
                                s = wxString::Format (
                                        _("Audio will be passed from %s channel %s to %s channel %s with gain %.1fdB."),
                                        _from,