gtk2_ardour/tempo_dialog.cc

   1 /*
   2     Copyright (C) 2000-2007 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 <cstdio> // for snprintf, grrr
  21
  22 #include <gtkmm/stock.h>
  23 #include <gtkmm2ext/utils.h>
  24
  25 #include "tempo_dialog.h"
  26 #include "utils.h"
  27
  28 #include "i18n.h"
  29
  30 using namespace std;
  31 using namespace Gtk;
  32 using namespace Gtkmm2ext;
  33 using namespace ARDOUR;
  34 using namespace PBD;
  35
  36 TempoDialog::TempoDialog (TempoMap& map, framepos_t frame, const string & action)
  37         : ArdourDialog (_("New Tempo")),
  38           bpm_adjustment (60.0, 1.0, 999.9, 0.1, 1.0),
  39           bpm_spinner (bpm_adjustment),
  40           ok_button (action),
  41           cancel_button (_("Cancel")),
  42           when_bar_label (_("bar:"), ALIGN_LEFT, ALIGN_CENTER),
  43           when_beat_label (_("beat:"), ALIGN_LEFT, ALIGN_CENTER)
  44 {
  45         Timecode::BBT_Time when;
  46         Tempo tempo (map.tempo_at (frame));
  47         map.bbt_time (frame, when);
  48
  49         init (when, tempo.beats_per_minute(), tempo.note_type(), true);
  50 }
  51
  52 TempoDialog::TempoDialog (TempoSection& section, const string & action)
  53         : ArdourDialog ("Edit Tempo"),
  54           bpm_adjustment (60.0, 1.0, 999.9, 0.1, 1.0),
  55           bpm_spinner (bpm_adjustment),
  56           ok_button (action),
  57           cancel_button (_("Cancel")),
  58           when_bar_label (_("bar:"), ALIGN_LEFT, ALIGN_CENTER),
  59           when_beat_label (_("beat:"), ALIGN_LEFT, ALIGN_CENTER)
  60 {
  61         init (section.start(), section.beats_per_minute(), section.note_type(), section.movable());
  62 }
  63
  64 void
  65 TempoDialog::init (const Timecode::BBT_Time& when, double bpm, double note_type, bool movable)
  66 {
  67         bpm_spinner.set_numeric (true);
  68         bpm_spinner.set_digits (2);
  69         bpm_spinner.set_wrap (true);
  70         bpm_spinner.set_value (bpm);
  71
  72         strings.push_back (_("whole (1)"));
  73         strings.push_back (_("second (2)"));
  74         strings.push_back (_("third (3)"));
  75         strings.push_back (_("quarter (4)"));
  76         strings.push_back (_("eighth (8)"));
  77         strings.push_back (_("sixteenth (16)"));
  78         strings.push_back (_("thirty-second (32)"));
  79
  80         set_popdown_strings (note_types, strings, true);
  81
  82         if (note_type == 1.0f) {
  83                 note_types.set_active_text (_("whole (1)"));
  84         } else if (note_type == 2.0f) {
  85                 note_types.set_active_text (_("second (2)"));
  86         } else if (note_type == 3.0f) {
  87                 note_types.set_active_text (_("third (3)"));
  88         } else if (note_type == 4.0f) {
  89                 note_types.set_active_text (_("quarter (4)"));
  90         } else if (note_type == 8.0f) {
  91                 note_types.set_active_text (_("eighth (8)"));
  92         } else if (note_type == 16.0f) {
  93                 note_types.set_active_text (_("sixteenth (16)"));
  94         } else if (note_type == 32.0f) {
  95                 note_types.set_active_text (_("thirty-second (32)"));
  96         } else {
  97                 note_types.set_active_text (_("quarter (4)"));
  98         }
  99
 100         Table* table = manage (new Table (3, 3));
 101         table->set_spacings (6);
 102
 103         Label* bpm_label = manage (new Label(_("Beats per minute:"), ALIGN_LEFT, ALIGN_CENTER));
 104         table->attach (*bpm_label, 0, 2, 0, 1);
 105         table->attach (bpm_spinner, 2, 3, 0, 1);
 106
 107         if (movable) {
 108                 snprintf (buf, sizeof (buf), "%" PRIu32, when.bars);
 109                 when_bar_entry.set_text (buf);
 110                 snprintf (buf, sizeof (buf), "%" PRIu32, when.beats);
 111                 when_beat_entry.set_text (buf);
 112
 113                 when_bar_entry.set_name ("MetricEntry");
 114                 when_beat_entry.set_name ("MetricEntry");
 115
 116                 when_bar_label.set_name ("MetricLabel");
 117                 when_beat_label.set_name ("MetricLabel");
 118
 119                 table->attach (when_bar_label, 1, 2, 2, 3);
 120                 table->attach (when_bar_entry, 2, 3, 2, 3);
 121
 122                 table->attach (when_beat_label, 1, 2, 1, 2);
 123                 table->attach (when_beat_entry, 2, 3, 1, 2);
 124
 125                 Label* when_label = manage (new Label(_("Tempo begins at"), ALIGN_LEFT, ALIGN_CENTER));
 126                 table->attach (*when_label, 0, 1, 1, 2);
 127         }
 128
 129         get_vbox()->set_border_width (12);
 130         get_vbox()->pack_end (*table);
 131         table->show_all ();
 132
 133         add_button (Stock::CANCEL, RESPONSE_CANCEL);
 134         add_button (Stock::APPLY, RESPONSE_ACCEPT);
 135         set_response_sensitive (RESPONSE_ACCEPT, false);
 136         set_default_response (RESPONSE_ACCEPT);
 137
 138         bpm_spinner.show ();
 139
 140         set_name ("MetricDialog");
 141
 142         bpm_spinner.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &TempoDialog::response), RESPONSE_ACCEPT));
 143         bpm_spinner.signal_button_press_event().connect (sigc::mem_fun (*this, &TempoDialog::bpm_button_press), false);
 144         bpm_spinner.signal_button_release_event().connect (sigc::mem_fun (*this, &TempoDialog::bpm_button_release), false);
 145         bpm_spinner.signal_changed().connect (sigc::mem_fun (*this, &TempoDialog::bpm_changed));
 146         when_bar_entry.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &TempoDialog::response), RESPONSE_ACCEPT));
 147         when_bar_entry.signal_key_release_event().connect (sigc::mem_fun (*this, &TempoDialog::entry_key_release), false);
 148         when_beat_entry.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &TempoDialog::response), RESPONSE_ACCEPT));
 149         when_beat_entry.signal_key_release_event().connect (sigc::mem_fun (*this, &TempoDialog::entry_key_release), false);
 150         note_types.signal_changed().connect (sigc::mem_fun (*this, &TempoDialog::note_types_change));
 151 }
 152
 153 void
 154 TempoDialog::bpm_changed ()
 155 {
 156         set_response_sensitive (RESPONSE_ACCEPT, true);
 157 }
 158
 159 bool
 160 TempoDialog::bpm_button_press (GdkEventButton*)
 161 {
 162         return false;
 163 }
 164
 165 bool
 166 TempoDialog::bpm_button_release (GdkEventButton*)
 167 {
 168         /* the value has been modified, accept should work now */
 169
 170         set_response_sensitive (RESPONSE_ACCEPT, true);
 171         return false;
 172 }
 173
 174 bool
 175 TempoDialog::entry_key_release (GdkEventKey*)
 176 {
 177         if (when_beat_entry.get_text() != "" && when_bar_entry.get_text() != "") {
 178                 set_response_sensitive (RESPONSE_ACCEPT, true);
 179         } else {
 180                 set_response_sensitive (RESPONSE_ACCEPT, false);
 181         }
 182         return false;
 183 }
 184
 185 double
 186 TempoDialog::get_bpm ()
 187 {
 188         return bpm_spinner.get_value ();
 189 }
 190
 191 bool
 192 TempoDialog::get_bbt_time (Timecode::BBT_Time& requested)
 193 {
 194         if (sscanf (when_bar_entry.get_text().c_str(), "%" PRIu32, &requested.bars) != 1) {
 195                 return false;
 196         }
 197
 198         if (sscanf (when_beat_entry.get_text().c_str(), "%" PRIu32, &requested.beats) != 1) {
 199                 return false;
 200         }
 201
 202         requested.ticks = 0;
 203
 204         return true;
 205 }
 206
 207 double
 208 TempoDialog::get_note_type ()
 209 {
 210         double note_type = 0;
 211         vector<string>::iterator i;
 212         string text = note_types.get_active_text();
 213
 214         for (i = strings.begin(); i != strings.end(); ++i) {
 215                 if (text == *i) {
 216                         if (sscanf (text.c_str(), "%*[^0-9]%lf", &note_type) != 1) {
 217                                 error << string_compose(_("garbaged note type entry (%1)"), text) << endmsg;
 218                                 return 0;
 219                         } else {
 220                                 break;
 221                         }
 222                 }
 223         }
 224
 225         if (i == strings.end()) {
 226                 if (sscanf (text.c_str(), "%lf", &note_type) != 1) {
 227                         error << string_compose(_("incomprehensible note type entry (%1)"), text) << endmsg;
 228                         return 0;
 229                 }
 230         }
 231
 232         return note_type;
 233 }
 234
 235 void
 236 TempoDialog::note_types_change ()
 237 {
 238         set_response_sensitive (RESPONSE_ACCEPT, true);
 239 }
 240
 241
 242 MeterDialog::MeterDialog (TempoMap& map, framepos_t frame, const string & action)
 243         : ArdourDialog ("New Meter"),
 244           ok_button (action),
 245           cancel_button (_("Cancel"))
 246 {
 247         Timecode::BBT_Time when;
 248         frame = map.round_to_bar(frame,0);
 249         Meter meter (map.meter_at(frame));
 250
 251         map.bbt_time (frame, when);
 252         init (when, meter.beats_per_bar(), meter.note_divisor(), true);
 253 }
 254
 255 MeterDialog::MeterDialog (MeterSection& section, const string & action)
 256         : ArdourDialog ("Edit Meter"),
 257           ok_button (action),
 258           cancel_button (_("Cancel"))
 259 {
 260         init (section.start(), section.beats_per_bar(), section.note_divisor(), section.movable());
 261 }
 262
 263 void
 264 MeterDialog::init (const Timecode::BBT_Time& when, double bpb, double note_type, bool movable)
 265 {
 266         snprintf (buf, sizeof (buf), "%.2f", bpb);
 267         bpb_entry.set_text (buf);
 268         bpb_entry.select_region (0, -1);
 269
 270         strings.push_back (_("whole (1)"));
 271         strings.push_back (_("second (2)"));
 272         strings.push_back (_("third (3)"));
 273         strings.push_back (_("quarter (4)"));
 274         strings.push_back (_("eighth (8)"));
 275         strings.push_back (_("sixteenth (16)"));
 276         strings.push_back (_("thirty-second (32)"));
 277
 278         set_popdown_strings (note_types, strings, true);
 279
 280         if (note_type == 1.0f) {
 281                 note_types.set_active_text (_("whole (1)"));
 282         } else if (note_type == 2.0f) {
 283                 note_types.set_active_text (_("second (2)"));
 284         } else if (note_type == 3.0f) {
 285                 note_types.set_active_text (_("third (3)"));
 286         } else if (note_type == 4.0f) {
 287                 note_types.set_active_text (_("quarter (4)"));
 288         } else if (note_type == 8.0f) {
 289                 note_types.set_active_text (_("eighth (8)"));
 290         } else if (note_type == 16.0f) {
 291                 note_types.set_active_text (_("sixteenth (16)"));
 292         } else if (note_type == 32.0f) {
 293                 note_types.set_active_text (_("thirty-second (32)"));
 294         } else {
 295                 note_types.set_active_text (_("quarter (4)"));
 296         }
 297
 298         Label* note_label = manage (new Label (_("Note value:"), ALIGN_LEFT, ALIGN_CENTER));
 299         Label* bpb_label = manage (new Label (_("Beats per bar:"), ALIGN_LEFT, ALIGN_CENTER));
 300         Table* table = manage (new Table (3, 2));
 301         table->set_spacings (6);
 302
 303         table->attach (*bpb_label, 0, 1, 0, 1, FILL|EXPAND, FILL|EXPAND);
 304         table->attach (bpb_entry, 1, 2, 0, 1, FILL|EXPAND, FILL|EXPAND);
 305         table->attach (*note_label, 0, 1, 1, 2, FILL|EXPAND, FILL|EXPAND);
 306         table->attach (note_types, 1, 2, 1, 2, FILL|EXPAND, SHRINK);
 307
 308         if (movable) {
 309                 snprintf (buf, sizeof (buf), "%" PRIu32, when.bars);
 310                 when_bar_entry.set_text (buf);
 311                 when_bar_entry.set_name ("MetricEntry");
 312
 313                 Label* when_label = manage (new Label(_("Meter begins at bar:"), ALIGN_LEFT, ALIGN_CENTER));
 314
 315                 table->attach (*when_label, 0, 1, 2, 3, FILL | EXPAND, FILL | EXPAND);
 316                 table->attach (when_bar_entry, 1, 2, 2, 3, FILL | EXPAND, FILL | EXPAND);
 317         } else {
 318                 when_bar_entry.set_text ("0");
 319         }
 320
 321         get_vbox()->set_border_width (12);
 322         get_vbox()->pack_start (*table, false, false);
 323
 324         bpb_entry.set_name ("MetricEntry");
 325
 326         add_button (Stock::CANCEL, RESPONSE_CANCEL);
 327         add_button (Stock::APPLY, RESPONSE_ACCEPT);
 328         set_response_sensitive (RESPONSE_ACCEPT, false);
 329         set_default_response (RESPONSE_ACCEPT);
 330
 331         get_vbox()->show_all ();
 332
 333         set_name ("MetricDialog");
 334         bpb_entry.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &MeterDialog::response), RESPONSE_ACCEPT));
 335         bpb_entry.signal_key_press_event().connect (sigc::mem_fun (*this, &MeterDialog::entry_key_press), false);
 336         bpb_entry.signal_key_release_event().connect (sigc::mem_fun (*this, &MeterDialog::entry_key_release));
 337         when_bar_entry.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &MeterDialog::response), RESPONSE_ACCEPT));
 338         when_bar_entry.signal_key_press_event().connect (sigc::mem_fun (*this, &MeterDialog::entry_key_press), false);
 339         when_bar_entry.signal_key_release_event().connect (sigc::mem_fun (*this, &MeterDialog::entry_key_release));
 340
 341         note_types.signal_changed().connect (sigc::mem_fun (*this, &MeterDialog::note_types_change));
 342 }
 343
 344 bool
 345 MeterDialog::entry_key_press (GdkEventKey* ev)
 346 {
 347
 348         switch (ev->keyval) {
 349
 350         case GDK_0:
 351         case GDK_1:
 352         case GDK_2:
 353         case GDK_3:
 354         case GDK_4:
 355         case GDK_5:
 356         case GDK_6:
 357         case GDK_7:
 358         case GDK_8:
 359         case GDK_9:
 360         case GDK_KP_0:
 361         case GDK_KP_1:
 362         case GDK_KP_2:
 363         case GDK_KP_3:
 364         case GDK_KP_4:
 365         case GDK_KP_5:
 366         case GDK_KP_6:
 367         case GDK_KP_7:
 368         case GDK_KP_8:
 369         case GDK_KP_9:
 370         case GDK_period:
 371         case GDK_comma:
 372         case  GDK_KP_Delete:
 373         case  GDK_KP_Enter:
 374         case  GDK_Delete:
 375         case  GDK_BackSpace:
 376         case  GDK_Escape:
 377         case  GDK_Return:
 378         case  GDK_Home:
 379         case  GDK_End:
 380         case  GDK_Left:
 381         case  GDK_Right:
 382         case  GDK_Num_Lock:
 383         case  GDK_Tab:
 384                 return FALSE;
 385         default:
 386                 break;
 387         }
 388
 389         return TRUE;
 390 }
 391
 392 bool
 393 MeterDialog::entry_key_release (GdkEventKey*)
 394 {
 395         if (when_bar_entry.get_text() != "" && bpb_entry.get_text() != "") {
 396                 set_response_sensitive (RESPONSE_ACCEPT, true);
 397         } else {
 398                 set_response_sensitive (RESPONSE_ACCEPT, false);
 399         }
 400         return false;
 401 }
 402
 403 void
 404 MeterDialog::note_types_change ()
 405 {
 406         set_response_sensitive (RESPONSE_ACCEPT, true);
 407 }
 408
 409 double
 410 MeterDialog::get_bpb ()
 411 {
 412         double bpb = 0;
 413
 414         if (sscanf (bpb_entry.get_text().c_str(), "%lf", &bpb) != 1) {
 415                 return 0;
 416         }
 417
 418         return bpb;
 419 }
 420
 421 double
 422 MeterDialog::get_note_type ()
 423 {
 424         double note_type = 0;
 425         vector<string>::iterator i;
 426         string text = note_types.get_active_text();
 427
 428         for (i = strings.begin(); i != strings.end(); ++i) {
 429                 if (text == *i) {
 430                         if (sscanf (text.c_str(), "%*[^0-9]%lf", &note_type) != 1) {
 431                                 error << string_compose(_("garbaged note type entry (%1)"), text) << endmsg;
 432                                 return 0;
 433                         } else {
 434                                 break;
 435                         }
 436                 }
 437         }
 438
 439         if (i == strings.end()) {
 440                 if (sscanf (text.c_str(), "%lf", &note_type) != 1) {
 441                         error << string_compose(_("incomprehensible note type entry (%1)"), text) << endmsg;
 442                         return 0;
 443                 }
 444         }
 445
 446         return note_type;
 447 }
 448
 449 bool
 450 MeterDialog::get_bbt_time (Timecode::BBT_Time& requested)
 451 {
 452         if (sscanf (when_bar_entry.get_text().c_str(), "%" PRIu32, &requested.bars) != 1) {
 453                 return false;
 454         }
 455
 456         requested.beats = 1;
 457
 458         requested.ticks = 0;
 459
 460         return true;
 461 }