gtk2_ardour/transpose_dialog.cc

   1 /*
   2     Copyright (C) 2011 Paul Davis
   3     Author: Carl Hetherington <cth@carlh.net>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #include <gtkmm/table.h>
  22 #include <gtkmm/label.h>
  23 #include <gtkmm/stock.h>
  24 #include "transpose_dialog.h"
  25
  26 using namespace Gtk;
  27
  28 TransposeDialog::TransposeDialog ()
  29         : ArdourDialog (_("Transpose MIDI"))
  30         , _octaves_adjustment (0.0, -4.0, 4.0, 1, 2.0)
  31         , _semitones_adjustment (0.0, -12.0, 12.0, 1.0, 4.0)
  32         , _octaves_spinner (_octaves_adjustment)
  33         , _semitones_spinner (_semitones_adjustment)
  34 {
  35         Table* t = manage (new Table (2, 2));
  36         t->set_row_spacings (6);
  37         t->set_col_spacings (6);
  38
  39         int r = 0;
  40         Label* l = manage (new Label (_("Octaves:"), ALIGN_LEFT, ALIGN_CENTER, false));
  41         t->attach (*l, 0, 1, r, r + 1, FILL, EXPAND, 0, 0);
  42         t->attach (_octaves_spinner, 1, 2, r, r + 1, FILL, EXPAND & FILL, 0, 0);
  43         ++r;
  44
  45         l = manage (new Label (_("Semitones:"), ALIGN_LEFT, ALIGN_CENTER, false));
  46         t->attach (*l, 0, 1, r, r + 1, FILL, EXPAND, 0, 0);
  47         t->attach (_semitones_spinner, 1, 2, r, r + 1, FILL, EXPAND & FILL, 0, 0);
  48         ++r;
  49
  50         get_vbox()->set_spacing (6);
  51         get_vbox()->pack_start (*t, false, false);
  52
  53         add_button (Stock::CANCEL, RESPONSE_CANCEL);
  54         add_button (_("Transpose"), RESPONSE_ACCEPT);
  55
  56         show_all_children ();
  57 }
  58
  59 int
  60 TransposeDialog::semitones () const
  61 {
  62         return _octaves_spinner.get_value () * 12 + _semitones_spinner.get_value ();
  63 }