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#include "createguidedialog.h"
#include "ui_createguidedialog.h"
#include <QMap>
#include <QString>
#include "tiasound/tiasound.h"
#include "tiasound/pitchguidefactory.h"
#include "percussiontab.h"
#include <iostream>
#include "mainwindow.h"
#include <QProgressDialog>
#include "guidekeyboard.h"
#include <QKeyEvent>
#include <cmath>
CreateGuideDialog::CreateGuideDialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::CreateGuideDialog)
{
ui->setupUi(this);
// Fill waveform selector
for (int i = 0; i < checkBoxNames.keys().size(); ++i) {
TiaSound::Distortion dist = checkBoxNames.keys()[i];
ui->comboBoxGuideWaveforms->addItem(TiaSound::getDistortionName(dist));
}
}
CreateGuideDialog::~CreateGuideDialog()
{
delete ui;
}
/*************************************************************************/
void CreateGuideDialog::keyPressEvent(QKeyEvent *e) {
switch (e->key()) {
case Qt::Key_Return:
case Qt::Key_Enter:
break;
default:
QDialog::keyPressEvent (e);
}
}
/*************************************************************************/
void CreateGuideDialog::on_pushButtonCreateGuide_clicked() {
int threshold = ui->spinBoxGuideMaxOffTune->value();
QString name = ui->lineEditGuideName->text();
TiaSound::TvStandard standard = ui->radioButtonGuidePal->isChecked() ? TiaSound::TvStandard::PAL : TiaSound::TvStandard::NTSC;
TiaSound::PitchGuideFactory pg;
// Optimize
long bestError = 99999999;
double bestFreq = 0;
int bestNum = 0;
int maxNoteDeviation = ui->spinBoxGuideMaxDeviation->value();
double lowerBound = std::pow(2.0, -maxNoteDeviation/12.0) * 440.0;
double upperBound = std::pow(2.0, maxNoteDeviation/12.0) * 440.0;
// Loop over frequencies in range
QProgressDialog pd("Optimizing pitch guide...", "Cancel", 0, (upperBound - lowerBound)*10, this);
pd.setWindowModality(Qt::WindowModal);
pd.setMinimumDuration(0);
GuideKeyboard *keyboard = findChild<GuideKeyboard *>("guidePianoKeyboard");
for (double f = lowerBound; f < upperBound; f += 0.1) {
pd.setValue((f - lowerBound)*10);
long currentError = 0;
int curNum = 0;
// For this frequency, loop over all requested distortions
for (int i = 0; i < checkBoxNames.size(); ++i) {
TiaSound::Distortion dist = checkBoxNames.keys()[i];
QCheckBox *cbDist = findChild<QCheckBox *>(checkBoxNames[dist]);
if (cbDist->isChecked()) {
QList<TiaSound::FrequencyPitchGuide> guide = pg.calcInstrumentPitchGuide(standard, dist, f);
for (int i = 0; i < guide.size(); ++i) {
// Consider only requested notes
if (guide[i].note != TiaSound::Note::NotANote) {
int noteIndex = TiaSound::getIntFromNote(guide[i].note);
if (keyboard->keyInfo[noteIndex].isEnabled
&& std::abs(guide[i].percentOff) <= threshold) {
currentError += guide[i].percentOff*guide[i].percentOff;
curNum++;
}
}
}
}
}
// Now check if new best has been found
if (curNum > bestNum || (curNum == bestNum && currentError < bestError)) {
bestError = currentError;
bestFreq = f;
bestNum = curNum;
}
// Cancel pressed?
if (pd.wasCanceled()) {
ui->labelGuideBaseFreq->setText("");
isGuideCreated = false;
ui->guidePianoKeyboard->removeGuide();
update();
return;
}
}
// Now create pitch guide for the best frequency
newGuide = pg.calculateGuide(name, standard, bestFreq);
isGuideCreated = true;
// Set A4= label text
ui->labelGuideBaseFreq->setText("A4 = " + QString::number(newGuide.baseFreq) + "Hz.");
on_comboBoxGuideWaveforms_currentIndexChanged(ui->comboBoxGuideWaveforms->currentIndex());
}
/*************************************************************************/
void CreateGuideDialog::on_comboBoxGuideWaveforms_currentIndexChanged(int index) {
if (isGuideCreated) {
TiaSound::Distortion dist = checkBoxNames.keys()[index];
TiaSound::InstrumentPitchGuide *guide = &(newGuide.instrumentGuides[dist]);
int threshold = ui->spinBoxGuideMaxOffTune->value();
ui->guidePianoKeyboard->setInstrumentPitchGuide(guide, threshold);
update();
}
}
/*************************************************************************/
void CreateGuideDialog::on_lineEditGuideName_editingFinished() {
if (isGuideCreated) {
newGuide.name = ui->lineEditGuideName->text();
}
}
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