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 Gtk;
  31 using namespace Gtkmm2ext;
  32 using namespace ARDOUR;
  33 using namespace PBD;
  34
  35 TempoDialog::TempoDialog (TempoMap& map, nframes_t frame, const string & action)
  36         : ArdourDialog (_("edit tempo")),
  37           bpm_adjustment (60.0, 1.0, 999.9, 0.1, 1.0, 1.0),
  38           bpm_spinner (bpm_adjustment),
  39           bpm_frame (_("Tempo")),
  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           when_table (2, 2),
  45           when_frame (_("Location"))
  46 {
  47         BBT_Time when;
  48         Tempo tempo (map.tempo_at (frame));
  49         map.bbt_time (frame, when);
  50
  51         init (when, tempo.beats_per_minute(), tempo.note_type(), true);
  52 }
  53
  54 TempoDialog::TempoDialog (TempoSection& section, const string & action)
  55         : ArdourDialog ("tempo dialog"),
  56           bpm_adjustment (60.0, 1.0, 999.9, 0.1, 1.0, 1.0),
  57           bpm_spinner (bpm_adjustment),
  58           bpm_frame (_("Tempo")),
  59           ok_button (action),
  60           cancel_button (_("Cancel")),
  61           when_bar_label (_("Bar"), ALIGN_LEFT, ALIGN_CENTER),
  62           when_beat_label (_("Beat"), ALIGN_LEFT, ALIGN_CENTER),
  63           when_table (2, 2),
  64           when_frame (_("Location"))
  65 {
  66         init (section.start(), section.beats_per_minute(), section.note_type(), section.movable());
  67 }
  68
  69 void
  70 TempoDialog::init (const BBT_Time& when, double bpm, double note_type, bool movable)
  71 {
  72         bpm_spinner.set_numeric (true);
  73         bpm_spinner.set_digits (2);
  74         bpm_spinner.set_wrap (true);
  75         bpm_spinner.set_value (bpm);
  76
  77         strings.push_back (_("whole (1)"));
  78         strings.push_back (_("second (2)"));
  79         strings.push_back (_("third (3)"));
  80         strings.push_back (_("quarter (4)"));
  81         strings.push_back (_("eighth (8)"));
  82         strings.push_back (_("sixteenth (16)"));
  83         strings.push_back (_("thirty-second (32)"));
  84
  85         set_popdown_strings (note_types, strings, true);
  86
  87         if (note_type==1.0f)
  88                 note_types.set_active_text (_("whole (1)"));
  89         else if (note_type==2.0f)
  90                 note_types.set_active_text (_("second (2)"));
  91         else if (note_type==3.0f)
  92                 note_types.set_active_text (_("third (3)"));
  93         else if (note_type==4.0f)
  94                 note_types.set_active_text (_("quarter (4)"));
  95         else if (note_type==8.0f)
  96                 note_types.set_active_text (_("eighth (8)"));
  97         else if (note_type==16.0f)
  98                 note_types.set_active_text (_("sixteenth (16)"));
  99         else if (note_type==32.0f)
 100                 note_types.set_active_text (_("thirty-second (32)"));
 101         else
 102                 note_types.set_active_text (_("quarter (4)"));
 103
 104         Label* bpm_label = manage(new Label(_("Beats Per Minute:"), ALIGN_LEFT, ALIGN_CENTER));
 105
 106         hspacer1.set_border_width (6);
 107         hspacer1.pack_end (bpm_spinner, PACK_EXPAND_PADDING);
 108         hspacer1.pack_start (*bpm_label, PACK_EXPAND_PADDING);
 109         vspacer1.set_border_width (6);
 110         vspacer1.pack_start (hspacer1, PACK_EXPAND_PADDING);
 111
 112         hspacer2.set_border_width (6);
 113         hspacer2.pack_start (note_types, PACK_EXPAND_PADDING);
 114
 115         bpm_frame.add (vspacer1);
 116
 117         if (movable) {
 118                 snprintf (buf, sizeof (buf), "%" PRIu32, when.bars);
 119                 when_bar_entry.set_text (buf);
 120                 snprintf (buf, sizeof (buf), "%" PRIu32, when.beats);
 121                 when_beat_entry.set_text (buf);
 122
 123                 when_bar_entry.set_name ("MetricEntry");
 124                 when_beat_entry.set_name ("MetricEntry");
 125
 126                 when_bar_label.set_name ("MetricLabel");
 127                 when_beat_label.set_name ("MetricLabel");
 128
 129                 Gtkmm2ext::set_size_request_to_display_given_text (when_bar_entry, "999g", 5, 7);
 130                 Gtkmm2ext::set_size_request_to_display_given_text (when_beat_entry, "999g", 5, 7);
 131
 132                 when_table.set_homogeneous (true);
 133                 when_table.set_row_spacings (2);
 134                 when_table.set_col_spacings (2);
 135                 when_table.set_border_width (0);
 136
 137                 when_table.attach (when_bar_label, 0, 1, 0, 1, AttachOptions(0), FILL|EXPAND);
 138                 when_table.attach (when_bar_entry, 1, 2, 0, 1, AttachOptions(0), FILL|EXPAND);
 139
 140                 when_table.attach (when_beat_label, 0, 1, 1, 2, AttachOptions(0), AttachOptions(0));
 141                 when_table.attach (when_beat_entry, 1, 2, 1, 2, AttachOptions(0), AttachOptions(0));
 142
 143                 HBox* when_hbox = manage (new HBox());
 144                 Label* when_label = manage(new Label(_("Tempo Begins at:"), ALIGN_LEFT, ALIGN_TOP));
 145                 when_hbox->pack_end(when_table, PACK_EXPAND_PADDING, 6);
 146                 when_hbox->pack_start(*when_label, PACK_EXPAND_PADDING, 6);
 147
 148                 when_frame.set_name ("MetricDialogFrame");
 149                 when_frame.add (*when_hbox);
 150
 151                 get_vbox()->pack_end (when_frame, false, false);
 152                 when_frame.show_all();
 153
 154         }
 155
 156         bpm_frame.set_name ("MetricDialogFrame");
 157         bpm_spinner.set_name ("MetricEntry");
 158
 159         get_vbox()->set_border_width (12);
 160         get_vbox()->pack_end (bpm_frame, false, false);
 161
 162         add_button (Stock::CANCEL, RESPONSE_CANCEL);
 163         add_button (Stock::APPLY, RESPONSE_ACCEPT);
 164         set_response_sensitive (RESPONSE_ACCEPT, false);
 165         set_default_response (RESPONSE_ACCEPT);
 166
 167         bpm_frame.show_all ();
 168         bpm_spinner.show ();
 169
 170         set_name ("MetricDialog");
 171
 172         bpm_spinner.signal_activate().connect (bind (mem_fun (*this, &TempoDialog::response), RESPONSE_ACCEPT));
 173         bpm_spinner.signal_button_press_event().connect (mem_fun (*this, &TempoDialog::bpm_button_press), false);
 174         bpm_spinner.signal_button_release_event().connect (mem_fun (*this, &TempoDialog::bpm_button_release), false);
 175         when_bar_entry.signal_activate().connect (bind (mem_fun (*this, &TempoDialog::response), RESPONSE_ACCEPT));
 176         when_bar_entry.signal_key_release_event().connect (mem_fun (*this, &TempoDialog::entry_key_release), false);
 177         when_beat_entry.signal_activate().connect (bind (mem_fun (*this, &TempoDialog::response), RESPONSE_ACCEPT));
 178         when_beat_entry.signal_key_release_event().connect (mem_fun (*this, &TempoDialog::entry_key_release), false);
 179         note_types.signal_changed().connect (mem_fun (*this, &TempoDialog::note_types_change));
 180 }
 181
 182 bool
 183 TempoDialog::bpm_button_press (GdkEventButton* ev)
 184 {
 185         return false;
 186 }
 187
 188 bool
 189 TempoDialog::bpm_button_release (GdkEventButton* ev)
 190 {
 191         /* the value has been modified, accept should work now */
 192
 193         set_response_sensitive (RESPONSE_ACCEPT, true);
 194         return false;
 195 }
 196
 197 bool
 198 TempoDialog::entry_key_release (GdkEventKey* ev)
 199 {
 200         if (when_beat_entry.get_text() != "" && when_bar_entry.get_text() != "") {
 201                 set_response_sensitive (RESPONSE_ACCEPT, true);
 202         } else {
 203                 set_response_sensitive (RESPONSE_ACCEPT, false);
 204         }
 205         return false;
 206 }
 207
 208 double
 209 TempoDialog::get_bpm ()
 210 {
 211         return bpm_spinner.get_value ();
 212 }
 213
 214 bool
 215 TempoDialog::get_bbt_time (BBT_Time& requested)
 216 {
 217         if (sscanf (when_bar_entry.get_text().c_str(), "%" PRIu32, &requested.bars) != 1) {
 218                 return false;
 219         }
 220
 221         if (sscanf (when_beat_entry.get_text().c_str(), "%" PRIu32, &requested.beats) != 1) {
 222                 return false;
 223         }
 224
 225         requested.ticks = 0;
 226
 227         return true;
 228 }
 229
 230 double
 231 TempoDialog::get_note_type ()
 232 {
 233         double note_type = 0;
 234         vector<string>::iterator i;
 235         string text = note_types.get_active_text();
 236
 237         for (i = strings.begin(); i != strings.end(); ++i) {
 238                 if (text == *i) {
 239                         if (sscanf (text.c_str(), "%*[^0-9]%lf", &note_type) != 1) {
 240                                 error << string_compose(_("garbaged note type entry (%1)"), text) << endmsg;
 241                                 return 0;
 242                         } else {
 243                                 break;
 244                         }
 245                 }
 246         }
 247
 248         if (i == strings.end()) {
 249                 if (sscanf (text.c_str(), "%lf", &note_type) != 1) {
 250                         error << string_compose(_("incomprehensible note type entry (%1)"), text) << endmsg;
 251                         return 0;
 252                 }
 253         }
 254
 255         return note_type;
 256 }
 257
 258 void
 259 TempoDialog::note_types_change ()
 260 {
 261         set_response_sensitive (RESPONSE_ACCEPT, true);
 262 }
 263
 264
 265 MeterDialog::MeterDialog (TempoMap& map, nframes_t frame, const string & action)
 266         : ArdourDialog ("meter dialog"),
 267           bpb_frame (_("Meter")),
 268           ok_button (action),
 269           cancel_button (_("Cancel")),
 270           when_frame (_("Location"))
 271 {
 272         BBT_Time when;
 273         frame = map.round_to_bar(frame,0);
 274         Meter meter (map.meter_at(frame));
 275
 276         map.bbt_time (frame, when);
 277         init (when, meter.beats_per_bar(), meter.note_divisor(), true);
 278 }
 279
 280 MeterDialog::MeterDialog (MeterSection& section, const string & action)
 281         : ArdourDialog ("meter dialog"),
 282           bpb_frame (_("Meter")),
 283           ok_button (action),
 284           cancel_button (_("Cancel")),
 285           when_frame (_("Location"))
 286 {
 287         init (section.start(), section.beats_per_bar(), section.note_divisor(), section.movable());
 288 }
 289
 290 void
 291 MeterDialog::init (const BBT_Time& when, double bpb, double note_type, bool movable)
 292 {
 293         snprintf (buf, sizeof (buf), "%.2f", bpb);
 294         bpb_entry.set_text (buf);
 295         bpb_entry.select_region (0, -1);
 296         Gtkmm2ext::set_size_request_to_display_given_text (bpb_entry, "999999g", 5, 5);
 297
 298         strings.push_back (_("whole (1)"));
 299         strings.push_back (_("second (2)"));
 300         strings.push_back (_("third (3)"));
 301         strings.push_back (_("quarter (4)"));
 302         strings.push_back (_("eighth (8)"));
 303         strings.push_back (_("sixteenth (16)"));
 304         strings.push_back (_("thirty-second (32)"));
 305
 306         set_popdown_strings (note_types, strings, true);
 307
 308         if (note_type==1.0f)
 309                 note_types.set_active_text (_("whole (1)"));
 310         else if (note_type==2.0f)
 311                 note_types.set_active_text (_("second (2)"));
 312         else if (note_type==3.0f)
 313                 note_types.set_active_text (_("third (3)"));
 314         else if (note_type==4.0f)
 315                 note_types.set_active_text (_("quarter (4)"));
 316         else if (note_type==8.0f)
 317                 note_types.set_active_text (_("eighth (8)"));
 318         else if (note_type==16.0f)
 319                 note_types.set_active_text (_("sixteenth (16)"));
 320         else if (note_type==32.0f)
 321                 note_types.set_active_text (_("thirty-second (32)"));
 322         else
 323                 note_types.set_active_text (_("quarter (4)"));
 324
 325         Label* note_label = manage(new Label(_("Note Value:"), ALIGN_LEFT, ALIGN_CENTER));
 326         Label* bpb_label = manage(new Label(_("Beats Per Bar:"), ALIGN_LEFT, ALIGN_CENTER));
 327         Table* bpb_table = manage (new Table(2, 2));
 328
 329         bpb_table->attach (*bpb_label, 0, 1, 0, 1, FILL|EXPAND, FILL|EXPAND, 6, 6);
 330         bpb_table->attach (bpb_entry, 1, 2, 0, 1, FILL|EXPAND, FILL|EXPAND, 6, 6);
 331         bpb_table->attach (*note_label, 0, 1, 1, 2, FILL|EXPAND, FILL|EXPAND, 6, 6);
 332         bpb_table->attach (note_types, 1, 2, 1, 2, FILL|EXPAND, SHRINK, 6, 6);
 333         bpb_frame.add (*bpb_table);
 334
 335         if (movable) {
 336                 snprintf (buf, sizeof (buf), "%" PRIu32, when.bars);
 337                 when_bar_entry.set_text (buf);
 338
 339                 when_bar_entry.set_name ("MetricEntry");
 340
 341                 Gtkmm2ext::set_size_request_to_display_given_text (when_bar_entry, "999g", 5, 7);
 342
 343                 HBox* when_hbox = manage (new HBox());
 344                 Label* when_label = manage(new Label(_("Meter Begins at Bar:"), ALIGN_LEFT, ALIGN_TOP));
 345                 when_hbox->pack_end(when_bar_entry, PACK_EXPAND_PADDING, 6);
 346                 when_hbox->pack_start(*when_label, PACK_EXPAND_PADDING, 6);
 347
 348                 when_frame.set_name ("MetricDialogFrame");
 349                 when_frame.add (*when_hbox);
 350
 351                 get_vbox()->pack_end (when_frame, false, false);
 352         } else {
 353                 when_bar_entry.set_text ("0");
 354         }
 355
 356         get_vbox()->set_border_width (12);
 357         get_vbox()->pack_start (bpb_frame, false, false);
 358
 359         bpb_frame.set_name ("MetricDialogFrame");
 360         bpb_entry.set_name ("MetricEntry");
 361
 362         add_button (Stock::CANCEL, RESPONSE_CANCEL);
 363         add_button (Stock::APPLY, RESPONSE_ACCEPT);
 364         set_response_sensitive (RESPONSE_ACCEPT, false);
 365         set_default_response (RESPONSE_ACCEPT);
 366
 367         get_vbox()->show_all ();
 368
 369         set_name ("MetricDialog");
 370         bpb_entry.signal_activate().connect (bind (mem_fun (*this, &MeterDialog::response), RESPONSE_ACCEPT));
 371         bpb_entry.signal_key_press_event().connect (mem_fun (*this, &MeterDialog::entry_key_press), false);
 372         bpb_entry.signal_key_release_event().connect (mem_fun (*this, &MeterDialog::entry_key_release));
 373         when_bar_entry.signal_activate().connect (bind (mem_fun (*this, &MeterDialog::response), RESPONSE_ACCEPT));
 374         when_bar_entry.signal_key_press_event().connect (mem_fun (*this, &MeterDialog::entry_key_press), false);
 375         when_bar_entry.signal_key_release_event().connect (mem_fun (*this, &MeterDialog::entry_key_release));
 376
 377         note_types.signal_changed().connect (mem_fun (*this, &MeterDialog::note_types_change));
 378 }
 379
 380 bool
 381 MeterDialog::entry_key_press (GdkEventKey* ev)
 382 {
 383
 384         switch (ev->keyval) {
 385
 386         case GDK_0:
 387         case GDK_1:
 388         case GDK_2:
 389         case GDK_3:
 390         case GDK_4:
 391         case GDK_5:
 392         case GDK_6:
 393         case GDK_7:
 394         case GDK_8:
 395         case GDK_9:
 396         case GDK_KP_0:
 397         case GDK_KP_1:
 398         case GDK_KP_2:
 399         case GDK_KP_3:
 400         case GDK_KP_4:
 401         case GDK_KP_5:
 402         case GDK_KP_6:
 403         case GDK_KP_7:
 404         case GDK_KP_8:
 405         case GDK_KP_9:
 406         case GDK_period:
 407         case GDK_comma:
 408         case  GDK_KP_Delete:
 409         case  GDK_KP_Enter:
 410         case  GDK_Delete:
 411         case  GDK_BackSpace:
 412         case  GDK_Escape:
 413         case  GDK_Return:
 414         case  GDK_Home:
 415         case  GDK_End:
 416         case  GDK_Left:
 417         case  GDK_Right:
 418         case  GDK_Num_Lock:
 419         case  GDK_Tab:
 420                 return FALSE;
 421         default:
 422                 break;
 423         }
 424
 425         return TRUE;
 426 }
 427
 428 bool
 429 MeterDialog::entry_key_release (GdkEventKey* ev)
 430 {
 431         if (when_bar_entry.get_text() != "" && bpb_entry.get_text() != "") {
 432                 set_response_sensitive (RESPONSE_ACCEPT, true);
 433         } else {
 434                 set_response_sensitive (RESPONSE_ACCEPT, false);
 435         }
 436         return false;
 437 }
 438
 439 void
 440 MeterDialog::note_types_change ()
 441 {
 442         set_response_sensitive (RESPONSE_ACCEPT, true);
 443 }
 444
 445 double
 446 MeterDialog::get_bpb ()
 447 {
 448         double bpb = 0;
 449
 450         if (sscanf (bpb_entry.get_text().c_str(), "%lf", &bpb) != 1) {
 451                 return 0;
 452         }
 453
 454         return bpb;
 455 }
 456
 457 double
 458 MeterDialog::get_note_type ()
 459 {
 460         double note_type = 0;
 461         vector<string>::iterator i;
 462         string text = note_types.get_active_text();
 463
 464         for (i = strings.begin(); i != strings.end(); ++i) {
 465                 if (text == *i) {
 466                         if (sscanf (text.c_str(), "%*[^0-9]%lf", &note_type) != 1) {
 467                                 error << string_compose(_("garbaged note type entry (%1)"), text) << endmsg;
 468                                 return 0;
 469                         } else {
 470                                 break;
 471                         }
 472                 }
 473         }
 474
 475         if (i == strings.end()) {
 476                 if (sscanf (text.c_str(), "%lf", &note_type) != 1) {
 477                         error << string_compose(_("incomprehensible note type entry (%1)"), text) << endmsg;
 478                         return 0;
 479                 }
 480         }
 481
 482         return note_type;
 483 }
 484
 485 bool
 486 MeterDialog::get_bbt_time (BBT_Time& requested)
 487 {
 488
 489         if (sscanf (when_bar_entry.get_text().c_str(), "%" PRIu32, &requested.bars) != 1) {
 490                 return false;
 491         }
 492
 493         requested.beats = 1;
 494
 495         requested.ticks = 0;
 496
 497         return true;
 498 }