Various work on audio channel mapping.

1 files changed, 156 insertions, 0 deletions

diff --git a/src/wx/audio_mapping_view.cc b/src/wx/audio_mapping_view.cc
new file mode 100644
index 000000000..d62609d22
--- /dev/null
+++ b/src/wx/audio_mapping_view.cc
@@ -0,0 +1,156 @@
+/*
+    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <wx/wx.h>
+#include <wx/renderer.h>
+#include <wx/grid.h>
+#include <libdcp/types.h>
+#include "lib/audio_mapping.h"
+#include "audio_mapping_view.h"
+#include "wx_util.h"
+
+using std::cout;
+using std::list;
+using boost::shared_ptr;
+
+/* This could go away with wxWidgets 2.9, which has an API call
+   to find these values.
+*/
+
+#ifdef __WXMSW__
+#define CHECKBOX_WIDTH 16
+#define CHECKBOX_HEIGHT 16
+#endif
+
+#ifdef __WXGTK__
+#define CHECKBOX_WIDTH 20
+#define CHECKBOX_HEIGHT 20
+#endif
+
+
+class NoSelectionStringRenderer : public wxGridCellStringRenderer
+{
+public:
+	void Draw (wxGrid& grid, wxGridCellAttr& attr, wxDC& dc, const wxRect& rect, int row, int col, bool)
+	{
+		wxGridCellStringRenderer::Draw (grid, attr, dc, rect, row, col, false);
+	}
+};
+
+class CheckBoxRenderer : public wxGridCellRenderer
+{
+public:
+
+	void Draw (wxGrid& grid, wxGridCellAttr &, wxDC& dc, const wxRect& rect, int row, int col, bool)
+	{
+		wxRendererNative::Get().DrawCheckBox (
+			&grid,
+			dc, rect,
+			grid.GetCellValue (row, col) == "1" ? static_cast<int>(wxCONTROL_CHECKED) : 0
+			);
+	}
+
+	wxSize GetBestSize (wxGrid &, wxGridCellAttr &, wxDC &, int, int)
+	{
+		return wxSize (CHECKBOX_WIDTH + 4, CHECKBOX_HEIGHT + 4);
+	}
+	
+	wxGridCellRenderer* Clone () const
+	{
+		return new CheckBoxRenderer;
+	}
+};
+
+
+AudioMappingView::AudioMappingView (wxWindow* parent)
+	: wxPanel (parent, wxID_ANY)
+{
+	_grid = new wxGrid (this, wxID_ANY);
+
+	_grid->CreateGrid (0, 7);
+	_grid->HideRowLabels ();
+	_grid->DisableDragRowSize ();
+	_grid->DisableDragColSize ();
+	_grid->EnableEditing (false);
+	_grid->SetCellHighlightPenWidth (0);
+	_grid->SetDefaultRenderer (new NoSelectionStringRenderer);
+
+	_grid->SetColLabelValue (0, _("Content channel"));
+	_grid->SetColLabelValue (1, _("L"));
+	_grid->SetColLabelValue (2, _("R"));
+	_grid->SetColLabelValue (3, _("C"));
+	_grid->SetColLabelValue (4, _("Lfe"));
+	_grid->SetColLabelValue (5, _("Ls"));
+	_grid->SetColLabelValue (6, _("Rs"));
+
+	_grid->AutoSize ();
+
+	wxBoxSizer* s = new wxBoxSizer (wxVERTICAL);
+	s->Add (_grid, 1, wxEXPAND);
+	SetSizerAndFit (s);
+
+	Connect (wxID_ANY, wxEVT_GRID_CELL_LEFT_CLICK, wxGridEventHandler (AudioMappingView::left_click), 0, this);
+}
+
+void
+AudioMappingView::left_click (wxGridEvent& ev)
+{
+	if (ev.GetCol() == 0) {
+		return;
+	}
+	
+	if (_grid->GetCellValue (ev.GetRow(), ev.GetCol()) == "1") {
+		_grid->SetCellValue (ev.GetRow(), ev.GetCol(), "0");
+	} else {
+		_grid->SetCellValue (ev.GetRow(), ev.GetCol(), "1");
+	}
+}
+
+void
+AudioMappingView::set_mapping (AudioMapping map)
+{
+	if (_grid->GetNumberRows ()) {
+		_grid->DeleteRows (0, _grid->GetNumberRows ());
+	}
+
+	list<AudioMapping::Channel> content_channels = map.content_channels ();
+	_grid->InsertRows (0, content_channels.size ());
+
+	for (size_t r = 0; r < content_channels.size(); ++r) {
+		for (int c = 1; c < 7; ++c) {
+			_grid->SetCellRenderer (r, c, new CheckBoxRenderer);
+		}
+	}
+	
+	int n = 0;
+	for (list<AudioMapping::Channel>::iterator i = content_channels.begin(); i != content_channels.end(); ++i) {
+		shared_ptr<const AudioContent> ac = i->content.lock ();
+		assert (ac);
+		_grid->SetCellValue (n, 0, wxString::Format ("%s %d", std_to_wx (ac->file().filename().string()), i->index + 1));
+
+		list<libdcp::Channel> const d = map.content_to_dcp (*i);
+		for (list<libdcp::Channel>::const_iterator j = d.begin(); j != d.end(); ++j) {
+			_grid->SetCellValue (n, static_cast<int> (*j) + 1, "1");
+		}
+		++n;
+	}
+
+	_grid->AutoSize ();
+}
+