code.delx.au - virtualtones/blob - mainwin.cpp

   1 // mainwin.cpp - Displays the MIDI keyboard and instrument selector
   2 // Written by James Bunton <james@delx.cjb.net>
   3 // Licensed under the GPL, see COPYING.txt for more details
   4
   5
   6 #include "mainwin.h"
   7
   8
   9 MainWin::MainWin()
  10 : QWidget(0,0)
  11 {
  12         setCaption("Virtual Tones");
  13
  14         // Setup the MIDI output
  15         midi = new MidiReal();
  16         if(midi->initSuccess() == false) {
  17                 QMessageBox::critical(this, "MIDI Error", midi->getError());
  18                 qApp->quit();
  19                 exit(1);
  20         }
  21         midiFile = 0;
  22
  23         // Create the sound selector
  24         soundSelection = new QComboBox(false, this);
  25         QToolTip::add(soundSelection, "Select the MIDI instrument to play with");
  26         fillSounds();
  27         connect(soundSelection, SIGNAL(activated(int)), midi, SLOT(setInstrument(int)));
  28         soundSelectionLabel = new QLabel("Sound:", this);
  29
  30         // Setup the interface selector
  31         interfaceSelection = new QComboBox(false, this);
  32         QToolTip::add(interfaceSelection, "Select the interface to play with");
  33         interfaceSelection->insertItem("Piano", 0);
  34         interfaceSelection->insertItem("Violin", 1);
  35         interfaceSelection->insertItem("Viola", 2);
  36         interfaceSelection->insertItem("Cello", 3);
  37         interfaceSelection->insertItem("Contrabass", 4);
  38         connect(interfaceSelection, SIGNAL(activated(int)), this, SLOT(interfaceSelectionSlot(int)));
  39         instrument = 0;
  40         interfaceSelectionLabel = new QLabel("Interface:", this);
  41
  42         // Setup the octave selector
  43         octaveSelection = new QComboBox(false, this);
  44         QToolTip::add(octaveSelection, "Select the starting octave");
  45         for(int i = 0; i < 11; i++) {
  46                 octaveSelection->insertItem("Octave " + QString::number(i - 2), i);
  47         }
  48         octaveSelectionLabel = new QLabel("Base Octave:", this);
  49
  50         // Create the help & quit button
  51         helpBtn = new QPushButton("Help", this);
  52         quitBtn = new QPushButton("Quit", this);
  53         connect(quitBtn, SIGNAL(clicked()), qApp, SLOT(quit()));
  54
  55         // MIDI recording buttons
  56         recordBtn = new QPushButton("Record", this);
  57         QToolTip::add(recordBtn, "Starts a MIDI recording of the notes played");
  58         recordBtn->setEnabled(true);
  59         connect(recordBtn, SIGNAL(clicked()), SLOT(setupRecord()));
  60         stopBtn = new QPushButton("Stop", this);
  61         QToolTip::add(stopBtn, "Stops the MIDI recording");
  62         stopBtn->setEnabled(false);
  63         connect(stopBtn, SIGNAL(clicked()), SLOT(finishRecord()));
  64
  65
  66         // The about label
  67         aboutLabel = new QLabel("Written for Julieanne...", this);
  68
  69         // Setup the layouts
  70         soundSelectionLayout = new QVBoxLayout();
  71         soundSelectionLayout->addWidget(soundSelectionLabel);
  72         soundSelectionLayout->addWidget(soundSelection);
  73
  74         interfaceSelectionLayout = new QVBoxLayout();
  75         interfaceSelectionLayout->addWidget(interfaceSelectionLabel);
  76         interfaceSelectionLayout->addWidget(interfaceSelection);
  77
  78         octaveSelectionLayout = new QVBoxLayout();
  79         octaveSelectionLayout->addWidget(octaveSelectionLabel);
  80         octaveSelectionLayout->addWidget(octaveSelection);
  81
  82         midiBtnLayout = new QVBoxLayout();
  83         midiBtnLayout->addWidget(recordBtn);
  84         midiBtnLayout->addSpacing(5);
  85         midiBtnLayout->addWidget(stopBtn);
  86
  87         buttonsLayout = new QVBoxLayout();
  88         buttonsLayout->addWidget(helpBtn);
  89         buttonsLayout->addSpacing(5);
  90         buttonsLayout->addWidget(quitBtn);
  91
  92         optionsLayout = new QHBoxLayout();
  93         optionsLayout->addSpacing(5);
  94         optionsLayout->addLayout(interfaceSelectionLayout);
  95         optionsLayout->addSpacing(5);
  96         optionsLayout->addLayout(soundSelectionLayout);
  97         optionsLayout->addSpacing(5);
  98         optionsLayout->addLayout(octaveSelectionLayout);
  99         optionsLayout->addSpacing(5);
 100         optionsLayout->addLayout(midiBtnLayout);
 101         optionsLayout->addSpacing(5);
 102         optionsLayout->addLayout(buttonsLayout);
 103         optionsLayout->addSpacing(5);
 104
 105         vLayout = new QVBoxLayout(this);
 106         vLayout->insertSpacing(0, 5);
 107         vLayout->insertLayout(1, optionsLayout);
 108         vLayout->insertSpacing(2, 5);
 109         vLayout->insertSpacing(3, 1);// instrument goes here
 110         vLayout->insertSpacing(4, 5);
 111         vLayout->insertWidget(5, aboutLabel);
 112         vLayout->insertSpacing(6, 5);
 113
 114         interfaceSelectionSlot(0);
 115
 116         show();
 117 }
 118
 119 MainWin::~MainWin()
 120 {
 121         delete midi;
 122         if(midiFile != 0)
 123                 delete midiFile;
 124 }
 125
 126 void MainWin::setupRecord() {
 127         if(midiFile == 0) {
 128                 QString filename = QFileDialog::getSaveFileName(QString::null, "MIDI files (*.mid *.midi)", this);
 129                 if(filename.isNull() || filename.isEmpty())
 130                         return;
 131                 midiFile = new MidiFile(filename);
 132                 if(midiFile->initSuccess() == false) {
 133                         QMessageBox::warning(this, "MIDI recording error", midiFile->getError());
 134                         delete midiFile;
 135                         return;
 136                 }
 137                 connect(soundSelection, SIGNAL(activated(int)), midiFile, SLOT(setInstrument(int)));
 138                 connect(instrument, SIGNAL(playNote(int, int, int)), midiFile, SLOT(playNote(int, int, int)));
 139                 connect(instrument, SIGNAL(stopNote(int)), midiFile, SLOT(stopNote(int)));
 140         }
 141
 142         recordBtn->setEnabled(false);
 143         stopBtn->setEnabled(true);
 144 }
 145
 146 void MainWin::finishRecord() {
 147         if(midiFile != 0) {
 148                 delete midiFile;
 149                 midiFile = 0;
 150         }
 151
 152         recordBtn->setEnabled(true);
 153         stopBtn->setEnabled(false);
 154 }
 155
 156 void MainWin::interfaceSelectionSlot(int num)
 157 {
 158         // Right now interfaces 0-4 exist
 159
 160         if(instrument != 0) {
 161 //              if(vLayout->findWidget(instrument)) {
 162 //                      vLayout->remove(instrument);
 163 //              }
 164                 delete instrument;
 165                 instrument = 0;
 166         }
 167
 168         switch(num) {
 169         // Create the instrument
 170
 171         default:
 172         case 0: {
 173                 PianoInstrument *p = new PianoInstrument(this);
 174                 instrument = p;
 175                 // Select piano as the default
 176                 soundSelection->setCurrentItem(0);
 177                 midi->setInstrument(0);
 178                 if(midiFile != 0)
 179                         midiFile->setInstrument(0);
 180                 break;
 181         }
 182         case 1: {
 183                 ViolinInstrument *p = new ViolinInstrument(this);
 184                 instrument = p;
 185                 // Select violin as the default
 186                 soundSelection->setCurrentItem(40);
 187                 midi->setInstrument(40);
 188                 if(midiFile != 0)
 189                         midiFile->setInstrument(40);
 190                 break;
 191         }
 192         case 2: {
 193                 ViolaInstrument *p = new ViolaInstrument(this);
 194                 instrument = p;
 195                 // Select violin as the default
 196                 soundSelection->setCurrentItem(41);
 197                 midi->setInstrument(41);
 198                 if(midiFile != 0)
 199                         midiFile->setInstrument(41);
 200                 break;
 201         }
 202         case 3: {
 203                 CelloInstrument *p = new CelloInstrument(this);
 204                 instrument = p;
 205                 // Select violin as the default
 206                 soundSelection->setCurrentItem(42);
 207                 midi->setInstrument(42);
 208                 if(midiFile != 0)
 209                         midiFile->setInstrument(42);
 210                 break;
 211         }
 212         case 4: {
 213                 ContrabassInstrument *p = new ContrabassInstrument(this);
 214                 instrument = p;
 215                 // Select violin as the default
 216                 soundSelection->setCurrentItem(43);
 217                 midi->setInstrument(43);
 218                 if(midiFile != 0)
 219                         midiFile->setInstrument(43);
 220                 break;
 221         }
 222         }
 223
 224         // Relayout
 225         vLayout->insertWidget(3, instrument);
 226         instrument->show();
 227
 228         // Connect signals
 229         connect(instrument, SIGNAL(playNote(int, int, int)), midi, SLOT(playNote(int, int, int)));
 230         connect(instrument, SIGNAL(stopNote(int)), midi, SLOT(stopNote(int)));
 231         if(midiFile != 0) {
 232                 connect(instrument, SIGNAL(playNote(int, int, int)), midiFile, SLOT(playNote(int, int, int)));
 233                 connect(instrument, SIGNAL(stopNote(int)), midiFile, SLOT(stopNote(int)));
 234         }
 235         connect(helpBtn, SIGNAL(clicked()), instrument, SLOT(displayHelp()));
 236         connect(octaveSelection, SIGNAL(activated(int)), instrument, SLOT(setStartOctave(int)));
 237
 238         // Set the octave widget
 239         octaveSelection->setCurrentItem(instrument->getNoteStart() / 12);
 240 }
 241
 242 void MainWin::fillSounds()
 243 {
 244         soundSelection->insertItem("Acoustic Grand Piano", 0);
 245         soundSelection->insertItem("Bright Acoustic Piano", 1);
 246         soundSelection->insertItem("Electric Grand Piano", 2);
 247         soundSelection->insertItem("Honky-tonk Piano", 3);
 248         soundSelection->insertItem("Rhodes Piano", 4);
 249         soundSelection->insertItem("Chorused Piano", 5);
 250         soundSelection->insertItem("Harpsichord", 6);
 251         soundSelection->insertItem("Clavinet", 7);
 252         soundSelection->insertItem("Celesta", 8);
 253         soundSelection->insertItem("Glockenspiel", 9);
 254         soundSelection->insertItem("Music Box", 10);
 255         soundSelection->insertItem("Vibraphone", 11);
 256         soundSelection->insertItem("Marimba", 12);
 257         soundSelection->insertItem("Xylophone", 13);
 258         soundSelection->insertItem("Tubular bells", 14);
 259         soundSelection->insertItem("Dulcimer", 15);
 260         soundSelection->insertItem("Draw Organ", 16);
 261         soundSelection->insertItem("Percussive Organ", 17);
 262         soundSelection->insertItem("Rock Organ", 18);
 263         soundSelection->insertItem("Church Organ", 19);
 264         soundSelection->insertItem("Reed Organ", 20);
 265         soundSelection->insertItem("Accordion", 21);
 266         soundSelection->insertItem("Harmonica", 22);
 267         soundSelection->insertItem("Tango Accordion", 23);
 268         soundSelection->insertItem("Acoustic Nylon Guitar", 24);
 269         soundSelection->insertItem("Acoustic Steel Guitar", 25);
 270         soundSelection->insertItem("Electric Jazz Guitar", 26);
 271         soundSelection->insertItem("Electric clean Guitar", 27);
 272         soundSelection->insertItem("Electric Guitar muted", 28);
 273         soundSelection->insertItem("Overdriven Guitar", 29);
 274         soundSelection->insertItem("Distortion Guitar", 30);
 275         soundSelection->insertItem("Guitar Harmonics", 31);
 276         soundSelection->insertItem("Wood Bass", 32);
 277         soundSelection->insertItem("Electric Bass Fingered", 33);
 278         soundSelection->insertItem("Electric Bass Picked", 34);
 279         soundSelection->insertItem("Fretless Bass", 35);
 280         soundSelection->insertItem("Slap Bass 1", 36);
 281         soundSelection->insertItem("Slap Bass 2", 37);
 282         soundSelection->insertItem("Synth Bass 1", 38);
 283         soundSelection->insertItem("Synth Bass 2", 39);
 284         soundSelection->insertItem("Violin", 40);
 285         soundSelection->insertItem("Viola", 41);
 286         soundSelection->insertItem("Cello", 42);
 287         soundSelection->insertItem("Contrabass", 43);
 288         soundSelection->insertItem("Tremolo Strings", 44);
 289         soundSelection->insertItem("Pizzicato Strings", 45);
 290         soundSelection->insertItem("Orchestral Harp", 46);
 291         soundSelection->insertItem("Timpani", 47);
 292         soundSelection->insertItem("Acoustic String Ensemble 1", 48);
 293         soundSelection->insertItem("Acoustic String Ensemble 2", 49);
 294         soundSelection->insertItem("Synth Strings 1", 50);
 295         soundSelection->insertItem("Synth Strings 2", 51);
 296         soundSelection->insertItem("Aah Choir", 52);
 297         soundSelection->insertItem("Ooh Choir", 53);
 298         soundSelection->insertItem("Synvox", 54);
 299         soundSelection->insertItem("Orchestra Hit", 55);
 300         soundSelection->insertItem("Trumpet", 56);
 301         soundSelection->insertItem("Trombone", 57);
 302         soundSelection->insertItem("Tuba", 58);
 303         soundSelection->insertItem("Muted Trumpet", 59);
 304         soundSelection->insertItem("French Horn", 60);
 305         soundSelection->insertItem("Brass Section", 61);
 306         soundSelection->insertItem("Synth Brass 1", 62);
 307         soundSelection->insertItem("Synth Brass 2", 63);
 308         soundSelection->insertItem("Soprano Sax", 64);
 309         soundSelection->insertItem("Alto Sax", 65);
 310         soundSelection->insertItem("Tenor Sax", 66);
 311         soundSelection->insertItem("Baritone Sax", 67);
 312         soundSelection->insertItem("Oboe", 68);
 313         soundSelection->insertItem("English Horn", 69);
 314         soundSelection->insertItem("Bassoon", 70);
 315         soundSelection->insertItem("Clarinet", 71);
 316         soundSelection->insertItem("Piccolo", 72);
 317         soundSelection->insertItem("Flute", 73);
 318         soundSelection->insertItem("Recorder", 74);
 319         soundSelection->insertItem("Pan Flute", 75);
 320         soundSelection->insertItem("Bottle blow", 76);
 321         soundSelection->insertItem("Shakuhachi", 77);
 322         soundSelection->insertItem("Whistle", 78);
 323         soundSelection->insertItem("Ocarina", 79);
 324         soundSelection->insertItem("Square Lead", 80);
 325         soundSelection->insertItem("Saw Lead", 81);
 326         soundSelection->insertItem("Calliope", 82);
 327         soundSelection->insertItem("Chiffer", 83);
 328         soundSelection->insertItem("Synth Lead 5", 84);
 329         soundSelection->insertItem("Synth Lead 6", 85);
 330         soundSelection->insertItem("Synth Lead 7", 86);
 331         soundSelection->insertItem("Synth Lead 8", 87);
 332         soundSelection->insertItem("Synth Pad 1", 88);
 333         soundSelection->insertItem("Synth Pad 2", 89);
 334         soundSelection->insertItem("Synth Pad 3", 90);
 335         soundSelection->insertItem("Synth Pad 4", 91);
 336         soundSelection->insertItem("Synth Pad 5", 92);
 337         soundSelection->insertItem("Synth Pad 6", 93);
 338         soundSelection->insertItem("Synth Pad 7", 94);
 339         soundSelection->insertItem("Synth Pad 8", 95);
 340         soundSelection->insertItem("Ice Rain", 96);
 341         soundSelection->insertItem("Soundtracks", 97);
 342         soundSelection->insertItem("Crystal", 98);
 343         soundSelection->insertItem("Atmosphere", 99);
 344         soundSelection->insertItem("Bright", 100);
 345         soundSelection->insertItem("Goblin", 101);
 346         soundSelection->insertItem("Echoes", 102);
 347         soundSelection->insertItem("Space", 103);
 348         soundSelection->insertItem("Sitar", 104);
 349         soundSelection->insertItem("Banjo", 105);
 350         soundSelection->insertItem("Shamisen", 106);
 351         soundSelection->insertItem("Koto", 107);
 352         soundSelection->insertItem("Kalimba", 108);
 353         soundSelection->insertItem("Bagpipe", 109);
 354         soundSelection->insertItem("Fiddle", 110);
 355         soundSelection->insertItem("Shanai", 111);
 356         soundSelection->insertItem("Tinkle bell", 112);
 357         soundSelection->insertItem("Agogo", 113);
 358         soundSelection->insertItem("Steel Drums", 114);
 359         soundSelection->insertItem("Woodblock", 115);
 360         soundSelection->insertItem("Taiko Drum", 116);
 361         soundSelection->insertItem("Melodic Tom", 117);
 362         soundSelection->insertItem("Synth Tom", 118);
 363         soundSelection->insertItem("Reverse Cymbal", 119);
 364         soundSelection->insertItem("Guitar Fret Noise", 120);
 365         soundSelection->insertItem("Breath Noise", 121);
 366         soundSelection->insertItem("Seashore", 122);
 367         soundSelection->insertItem("Bird Tweet", 123);
 368         soundSelection->insertItem("Telephone Ring", 124);
 369         soundSelection->insertItem("Helicopter", 125);
 370         soundSelection->insertItem("Applause", 126);
 371         soundSelection->insertItem("Gunshot", 127);
 372
 373 }
 374