Use bound arguments to lose some methods.
[dcpomatic.git] / src / wx / audio_mapping_view.cc
index ccd78bb90f9cce5c4cdb875ef1d14189085b0b1e..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);
-
-       /* Content label on the left */
+       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);
 
-       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
@@ -207,30 +211,6 @@ AudioMappingView::paint_column_lines (wxGraphicsContext* gc)
        gc->StrokePath (lines);
 }
 
-static
-void clip (wxDC& dc, wxGraphicsContext* gc, int x, int y, int w, int h)
-{
-       dc.SetClippingRegion (x, y, w, h);
-       gc->Clip (x, y, w, h);
-}
-
-static
-void translate (wxDC& dc, wxGraphicsContext* gc, int x, int y)
-{
-       gc->PushState ();
-       gc->Translate (-x, -y);
-       dc.SetLogicalOrigin (x, y);
-}
-
-static
-void restore (wxDC& dc, wxGraphicsContext* gc)
-{
-       dc.SetLogicalOrigin (0, 0);
-       gc->PopState ();
-       dc.DestroyClippingRegion ();
-       gc->ResetClip ();
-}
-
 void
 AudioMappingView::paint_row_labels (wxDC& dc, wxGraphicsContext* gc)
 {
@@ -263,14 +243,29 @@ AudioMappingView::paint_row_labels (wxDC& dc, wxGraphicsContext* gc)
                if (label_width > height) {
                        label_width = height - 8;
                }
-               clip (dc, gc, GRID_SPACING, y + 4, GRID_SPACING, height - 4);
-               dc.DrawRotatedText (
-                       std_to_wx(i.name),
-                       GRID_SPACING + (GRID_SPACING - label_height) / 2,
-                       y + (height + label_width) / 2,
-                       90
-                       );
-               restore (dc, gc);
+
+               {
+                       int yp = y;
+                       if ((yp - 2 * GRID_SPACING) < dc.GetLogicalOrigin().y) {
+                               yp += dc.GetLogicalOrigin().y;
+                       }
+
+                       wxCoord old_x, old_y, old_width, old_height;
+                       dc.GetClippingBox (&old_x, &old_y, &old_width, &old_height);
+                       dc.DestroyClippingRegion ();
+                       dc.SetClippingRegion (GRID_SPACING, yp + 4, GRID_SPACING, height - 8);
+
+                       dc.DrawRotatedText (
+                               std_to_wx(i.name),
+                               GRID_SPACING + (GRID_SPACING - label_height) / 2,
+                               y + (height + label_width) / 2,
+                               90
+                               );
+
+                       dc.DestroyClippingRegion ();
+                       dc.SetClippingRegion (old_x, old_y, old_width, old_height);
+               }
+
                lines.MoveToPoint    (GRID_SPACING,     y);
                lines.AddLineToPoint (GRID_SPACING * 2, y);
                y += height;
@@ -313,7 +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) {
@@ -332,6 +327,30 @@ AudioMappingView::paint_indicators (wxDC& dc)
        }
 }
 
+static
+void clip (wxDC& dc, wxGraphicsContext* gc, int x, int y, int w, int h)
+{
+       dc.SetClippingRegion (x, y, w, h);
+       gc->Clip (x, y, w, h);
+}
+
+static
+void translate (wxDC& dc, wxGraphicsContext* gc, int x, int y)
+{
+       gc->PushState ();
+       gc->Translate (-x, -y);
+       dc.SetLogicalOrigin (x, y);
+}
+
+static
+void restore (wxDC& dc, wxGraphicsContext* gc)
+{
+       dc.SetLogicalOrigin (0, 0);
+       gc->PopState ();
+       dc.DestroyClippingRegion ();
+       gc->ResetClip ();
+}
+
 void
 AudioMappingView::paint ()
 {
@@ -469,34 +488,18 @@ 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 ();
 }
 
 void
 AudioMappingView::edit ()
 {
-       int const d = _menu_output - 1;
-
-       AudioGainDialog* dialog = new AudioGainDialog (this, _menu_input, _menu_output - 1, _map.get(_menu_input, d));
+       AudioGainDialog* dialog = new AudioGainDialog (this, _menu_input, _menu_output, _map.get(_menu_input, _menu_output));
        if (dialog->ShowModal() == wxID_OK) {
-               _map.set (_menu_input, d, dialog->value ());
+               _map.set (_menu_input, _menu_output, dialog->value ());
                map_values_changed ();
        }
 
@@ -526,6 +529,37 @@ AudioMappingView::set_output_channels (vector<string> const & names)
        Refresh ();
 }
 
+wxString
+AudioMappingView::safe_input_channel_name (int n) const
+{
+       if (n >= int(_input_channels.size())) {
+               return wxString::Format ("%d", n + 1);
+       }
+
+       optional<wxString> group;
+       BOOST_FOREACH (Group i, _input_groups) {
+               if (i.from <= n && n <= i.to) {
+                       group = std_to_wx (i.name);
+               }
+       }
+
+       if (group && !group->IsEmpty()) {
+               return wxString::Format ("%s/%s", group->data(), std_to_wx(_input_channels[n]).data());
+       }
+
+       return std_to_wx(_input_channels[n]);
+}
+
+wxString
+AudioMappingView::safe_output_channel_name (int n) const
+{
+       if (n >= int(_output_channels.size())) {
+               return wxString::Format ("%d", n + 1);
+       }
+
+       return std_to_wx(_output_channels[n]);
+}
+
 void
 AudioMappingView::motion (wxMouseEvent& ev)
 {
@@ -536,19 +570,29 @@ 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 %d to DCP channel %d."),
-                                       channels->first + 1, channels->second + 1
+                                       _("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 %d to DCP channel %d unaltered."),
-                                       channels->first + 1, channels->second + 1
+                                       _("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 %d to DCP channel %d with gain %.1fdB."),
-                                       channels->first + 1, channels->second + 1, dB
+                                       _("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
                                        );
                        }