gtk2_ardour/quantize_dialog.cc

   1 /*
   2    Copyright (C) 2009 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/stock.h>
  21 #include <gtkmm/table.h>
  22 #include "gtkmm2ext/utils.h"
  23
  24 #include "pbd/convert.h"
  25 #include "quantize_dialog.h"
  26 #include "public_editor.h"
  27
  28 #include "pbd/i18n.h"
  29
  30 using namespace std;
  31 using namespace Gtk;
  32 using namespace Gtkmm2ext;
  33 using namespace ARDOUR;
  34
  35 static const gchar *_grid_strings[] = {
  36         N_("main grid"),
  37         N_("Beats/128"),
  38         N_("Beats/64"),
  39         N_("Beats/32"),
  40         N_("Beats/28"),
  41         N_("Beats/24"),
  42         N_("Beats/20"),
  43         N_("Beats/16"),
  44         N_("Beats/14"),
  45         N_("Beats/12"),
  46         N_("Beats/10"),
  47         N_("Beats/8"),
  48         N_("Beats/7"),
  49         N_("Beats/6"),
  50         N_("Beats/5"),
  51         N_("Beats/4"),
  52         N_("Beats/3"),
  53         N_("Beats/2"),
  54         N_("Beats"),
  55         0
  56 };
  57
  58 static const int _grid_beats[] = {
  59         0,
  60         128, 64, 32, 28, 24, 20, 16, 14,
  61         12, 10, 8, 7, 6, 5, 4, 3, 2, 1,
  62         0
  63 };
  64
  65 std::vector<std::string> QuantizeDialog::grid_strings;
  66
  67 QuantizeDialog::QuantizeDialog (PublicEditor& e)
  68         : ArdourDialog (_("Quantize"), false, false)
  69         , editor (e)
  70         , strength_adjustment (100.0, 0.0, 100.0, 1.0, 10.0)
  71         , strength_spinner (strength_adjustment)
  72         , strength_label (_("Strength"))
  73         , swing_adjustment (100.0, -130.0, 130.0, 1.0, 10.0)
  74         , swing_spinner (swing_adjustment)
  75         , swing_button (_("Swing"))
  76         , threshold_adjustment (0.0, -Timecode::BBT_Time::ticks_per_beat, Timecode::BBT_Time::ticks_per_beat, 1.0, 10.0)
  77         , threshold_spinner (threshold_adjustment)
  78         , threshold_label (_("Threshold (ticks)"))
  79         , snap_start_button (_("Snap note start"))
  80         , snap_end_button (_("Snap note end"))
  81 {
  82         if (grid_strings.empty()) {
  83                 grid_strings =  I18N (_grid_strings);
  84         }
  85
  86         set_popdown_strings (start_grid_combo, grid_strings);
  87         start_grid_combo.set_active_text (grid_strings.front());
  88         set_popdown_strings (end_grid_combo, grid_strings);
  89         end_grid_combo.set_active_text (grid_strings.front());
  90
  91         Table* table = manage (new Table (6, 2));
  92         table->set_spacings (12);
  93         table->set_border_width (12);
  94
  95         int r = 0;
  96
  97         table->attach (snap_start_button, 0, 1, r, r + 1);
  98         table->attach (start_grid_combo, 1, 2, r, r + 1);
  99         ++r;
 100
 101         table->attach (snap_end_button, 0, 1, r, r + 1);
 102         table->attach (end_grid_combo, 1, 2, r, r + 1);
 103         ++r;
 104
 105         threshold_label.set_alignment (0, 0.5);
 106         table->attach (threshold_label, 0, 1, r, r + 1);
 107         table->attach (threshold_spinner, 1, 2, r, r + 1);
 108         ++r;
 109
 110         strength_label.set_alignment (0, 0.5);
 111         table->attach (strength_label, 0, 1, r, r + 1);
 112         table->attach (strength_spinner, 1, 2, r, r + 1);
 113         ++r;
 114
 115         table->attach (swing_button, 0, 1, r, r + 1);
 116         table->attach (swing_spinner, 1, 2, r, r + 1);
 117
 118         snap_start_button.set_active (true);
 119         snap_end_button.set_active (false);
 120
 121         get_vbox()->pack_start (*table);
 122         get_vbox()->show_all ();
 123
 124         add_button (Stock::CANCEL, RESPONSE_CANCEL);
 125         add_button (_("Quantize"), RESPONSE_OK);
 126 }
 127
 128 QuantizeDialog::~QuantizeDialog()
 129 {
 130 }
 131
 132 double
 133 QuantizeDialog::start_grid_size () const
 134 {
 135         return grid_size_to_musical_time (start_grid_combo.get_active_text ());
 136 }
 137
 138 double
 139 QuantizeDialog::end_grid_size () const
 140 {
 141         return grid_size_to_musical_time (end_grid_combo.get_active_text ());
 142 }
 143
 144 double
 145 QuantizeDialog::grid_size_to_musical_time (const string& txt) const
 146 {
 147         if (txt == _("main grid")) {
 148                 bool success;
 149
 150                 Evoral::Beats b = editor.get_grid_type_as_beats (success, 0);
 151                 if (!success) {
 152                         return 1.0;
 153                 }
 154                 return b.to_double();
 155         }
 156
 157
 158         double divisor = 1.0;
 159         for (size_t i = 1; i < grid_strings.size(); ++i) {
 160                 if (txt == grid_strings[i]) {
 161                         assert (_grid_beats[i] != 0);
 162                         divisor = 1.0 / _grid_beats[i];
 163                         break;
 164                 }
 165         }
 166
 167         return divisor;
 168 }
 169
 170 float
 171 QuantizeDialog::swing () const
 172 {
 173         if (!swing_button.get_active()) {
 174                 return 0.0f;
 175         }
 176
 177         return swing_adjustment.get_value ();
 178 }
 179
 180 float
 181 QuantizeDialog::strength () const
 182 {
 183         return strength_adjustment.get_value ();
 184 }
 185
 186 float
 187 QuantizeDialog::threshold () const
 188 {
 189         return threshold_adjustment.get_value ();
 190 }