Use bound arguments to lose some methods.
[dcpomatic.git] / src / wx / audio_mapping_view.cc
index fa8732648008d5823288ea5569dc72762655082a..df2759ef6b97021dadd2802b82fe035ec961ac13 100644 (file)
@@ -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.
 
@@ -60,10 +60,14 @@ enum {
        ID_edit = 4
 };
 
-AudioMappingView::AudioMappingView (wxWindow* parent)
+AudioMappingView::AudioMappingView (wxWindow* parent, wxString left_label, wxString from, wxString top_label, wxString to)
        : wxPanel (parent, wxID_ANY)
        , _menu_input (0)
        , _menu_output (1)
+       , _left_label (left_label)
+       , _from (from)
+       , _top_label (top_label)
+       , _to (to)
 {
        _menu = new wxMenu;
        _menu->Append (ID_off, _("Off"));
@@ -75,10 +79,14 @@ AudioMappingView::AudioMappingView (wxWindow* parent)
        _vertical_scroll = new wxScrollBar (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxSB_VERTICAL);
        _horizontal_scroll = new wxScrollBar (this, wxID_ANY);
 
+#ifndef __WXOSX__
+       SetDoubleBuffered (true);
+#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));
@@ -155,16 +163,12 @@ AudioMappingView::paint_static (wxDC& dc, wxGraphicsContext* gc)
        wxCoord label_width;
        wxCoord label_height;
 
-       /* DCP label at the top */
-
-       dc.GetTextExtent (_("DCP"), &label_width, &label_height);
-       dc.DrawText (_("DCP"), LEFT_WIDTH + (_output_channels.size() * GRID_SPACING - label_width) / 2, (GRID_SPACING - label_height) / 2);
+       dc.GetTextExtent (_top_label, &label_width, &label_height);
+       dc.DrawText (_top_label, LEFT_WIDTH + (_output_channels.size() * GRID_SPACING - label_width) / 2, (GRID_SPACING - label_height) / 2);
 
-       /* Content label on the left */
-
-       dc.GetTextExtent (_("Content"), &label_width, &label_height);
+       dc.GetTextExtent (_left_label, &label_width, &label_height);
        dc.DrawRotatedText (
-               _("Content"),
+               _left_label,
                (GRID_SPACING - label_height) / 2,
                TOP_HEIGHT + (_input_channels.size() * GRID_SPACING + label_width) / 2,
                90
@@ -304,7 +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) {
@@ -484,23 +488,9 @@ AudioMappingView::map_values_changed ()
 }
 
 void
-AudioMappingView::off ()
-{
-       _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 ()
+AudioMappingView::set_gain_from_menu (double linear)
 {
-       _map.set (_menu_input, _menu_output, pow (10, -6.0 / 20));
+       _map.set (_menu_input, _menu_output, linear);
        map_values_changed ();
 }
 
@@ -553,7 +543,7 @@ AudioMappingView::safe_input_channel_name (int n) const
                }
        }
 
-       if (group) {
+       if (group && !group->IsEmpty()) {
                return wxString::Format ("%s/%s", group->data(), std_to_wx(_input_channels[n]).data());
        }
 
@@ -580,21 +570,27 @@ AudioMappingView::motion (wxMouseEvent& ev)
                        float const gain = _map.get(channels->first, channels->second);
                        if (gain == 0) {
                                s = wxString::Format (
-                                       _("No audio will be passed from content channel '%s' to DCP channel '%s'."),
+                                       _("No audio will be passed from %s channel '%s' to %s channel '%s'."),
+                                       _from,
                                        safe_input_channel_name(channels->first),
+                                       _to,
                                        safe_output_channel_name(channels->second)
                                        );
                        } else if (gain == 1) {
                                s = wxString::Format (
-                                       _("Audio will be passed from content channel %s to DCP channel %s unaltered."),
+                                       _("Audio will be passed from %s channel %s to %s channel %s unaltered."),
+                                       _from,
                                        safe_input_channel_name(channels->first),
+                                       _to,
                                        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 content channel %s to DCP channel %s with gain %.1fdB."),
+                                       _("Audio will be passed from %s channel %s to %s channel %s with gain %.1fdB."),
+                                       _from,
                                        safe_input_channel_name(channels->first),
+                                       _to,
                                        safe_output_channel_name(channels->second),
                                        dB
                                        );