gtk2_ardour/normalize_dialog.cc

   1 /*
   2     Copyright (C) 2010 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <gtkmm/label.h>
  21 #include <gtkmm/spinbutton.h>
  22 #include <gtkmm/radiobutton.h>
  23 #include <gtkmm/stock.h>
  24 #include <gtkmm/progressbar.h>
  25 #include "normalize_dialog.h"
  26 #include "i18n.h"
  27
  28 using namespace Gtk;
  29
  30 double NormalizeDialog::_last_normalization_value = 0;
  31 bool NormalizeDialog::_last_normalize_individually = true;
  32
  33 NormalizeDialog::NormalizeDialog (bool more_than_one)
  34         : ArdourDialog (more_than_one ? _("Normalize regions") : _("Normalize region"))
  35         , _normalize_individually (0)
  36 {
  37         get_vbox()->set_spacing (12);
  38
  39         HBox* hbox = manage (new HBox);
  40         hbox->set_spacing (6);
  41         hbox->set_border_width (6);
  42         hbox->pack_start (*manage (new Label (_("Normalize to:"))), false, false);
  43         _spin = manage (new SpinButton (0.2, 2));
  44         _spin->set_range (-112, 0);
  45         _spin->set_increments (0.1, 1);
  46         _spin->set_value (_last_normalization_value);
  47         _spin->set_activates_default ();
  48         hbox->pack_start (*_spin, false, false);
  49         hbox->pack_start (*manage (new Label (_("dbFS"))), false, false);
  50         get_vbox()->pack_start (*hbox);
  51
  52         if (more_than_one) {
  53                 RadioButtonGroup group;
  54                 VBox* vbox = manage (new VBox);
  55
  56                 _normalize_individually = manage (new RadioButton (group, _("Normalize each region using its own peak value")));
  57                 vbox->pack_start (*_normalize_individually);
  58                 RadioButton* b = manage (new RadioButton (group, _("Normalize each region using the peak value of all regions")));
  59                 vbox->pack_start (*b);
  60
  61                 _normalize_individually->set_active (_last_normalize_individually);
  62                 b->set_active (!_last_normalize_individually);
  63
  64                 get_vbox()->pack_start (*vbox);
  65         }
  66
  67         _progress_bar = manage (new ProgressBar);
  68         get_vbox()->pack_start (*_progress_bar);
  69
  70         show_all ();
  71
  72         add_button (Stock::CANCEL, RESPONSE_CANCEL);
  73         add_button (_("Normalize"), RESPONSE_ACCEPT);
  74         set_default_response (RESPONSE_ACCEPT);
  75
  76         signal_response().connect (sigc::mem_fun (*this, &NormalizeDialog::button_clicked));
  77 }
  78
  79 bool
  80 NormalizeDialog::normalize_individually () const
  81 {
  82         if (_normalize_individually == 0) {
  83                 return true;
  84         }
  85
  86         return _normalize_individually->get_active ();
  87 }
  88
  89 double
  90 NormalizeDialog::target () const
  91 {
  92         return _spin->get_value ();
  93 }
  94
  95 void
  96 NormalizeDialog::update_progress_gui (float p)
  97 {
  98         _progress_bar->set_fraction (p);
  99 }
 100
 101 int
 102 NormalizeDialog::run ()
 103 {
 104         int const r = ArdourDialog::run ();
 105         _last_normalization_value = target ();
 106         if (_normalize_individually) {
 107                 _last_normalize_individually = _normalize_individually->get_active ();
 108         }
 109         return r;
 110 }
 111
 112 void
 113 NormalizeDialog::button_clicked (int r)
 114 {
 115         if (r == RESPONSE_CANCEL) {
 116                 cancel ();
 117         }
 118 }