Differentiate between pitch-shift (for audio) and transpose (for MIDI). Fixes #3940.

[ardour.git] / gtk2_ardour / transpose_dialog.cc

diff --git a/gtk2_ardour/transpose_dialog.cc b/gtk2_ardour/transpose_dialog.cc
new file mode 100644 (file)
index 0000000..6a3c5bf
--- /dev/null
+++ b/gtk2_ardour/transpose_dialog.cc
@@ -0,0 +1,63 @@
+/*
+    Copyright (C) 2011 Paul Davis
+    Author: 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 <gtkmm/table.h>
+#include <gtkmm/label.h>
+#include <gtkmm/stock.h>
+#include "transpose_dialog.h"
+
+using namespace Gtk;
+
+TransposeDialog::TransposeDialog ()
+       : ArdourDialog (_("Transpose MIDI"))
+       , _octaves_adjustment (0.0, -4.0, 4.0, 1, 2.0)
+       , _semitones_adjustment (0.0, -12.0, 12.0, 1.0, 4.0)
+       , _octaves_spinner (_octaves_adjustment)
+       , _semitones_spinner (_semitones_adjustment)
+{
+       Table* t = manage (new Table (2, 2));
+       t->set_row_spacings (6);
+       t->set_col_spacings (6);
+
+       int r = 0;
+       Label* l = manage (new Label (_("Octaves:"), ALIGN_LEFT, ALIGN_CENTER, false));
+       t->attach (*l, 0, 1, r, r + 1, FILL, EXPAND, 0, 0);
+       t->attach (_octaves_spinner, 1, 2, r, r + 1, FILL, EXPAND & FILL, 0, 0);
+       ++r;
+
+       l = manage (new Label (_("Semitones:"), ALIGN_LEFT, ALIGN_CENTER, false));
+       t->attach (*l, 0, 1, r, r + 1, FILL, EXPAND, 0, 0);
+       t->attach (_semitones_spinner, 1, 2, r, r + 1, FILL, EXPAND & FILL, 0, 0);
+       ++r;
+
+       get_vbox()->set_spacing (6);
+       get_vbox()->pack_start (*t, false, false);
+
+       add_button (Stock::CANCEL, RESPONSE_CANCEL);
+       add_button (_("Transpose"), RESPONSE_ACCEPT);
+
+       show_all_children ();
+}
+
+int
+TransposeDialog::semitones () const
+{
+       return _octaves_spinner.get_value () * 12 + _semitones_spinner.get_value ();
+}