Files
metabalus/src/MainWindow.cpp

119 lines
3.6 KiB
C++

#include "MainWindow.h"
#include <QTimer>
#include "ui_MainWindow.h"
#include "ParameterStore.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow),
audio_(new AudioEngine()),
keyboard_(audio_->noteQueue()) {
ui->setupUi(this);
setFocusPolicy(Qt::StrongFocus);
// Initialize UI
updateCounterLabel();
// Connect buttons to slots
connect(ui->buttonIncrement, &QPushButton::clicked, this, &MainWindow::onIncrementClicked);
connect(ui->buttonReset, &QPushButton::clicked, this, &MainWindow::onResetClicked);
// slider business
// TODO: smart slider widget
connect(ui->slider, &QSlider::valueChanged, this, &MainWindow::onSliderValueChanged);
connect(ui->inputMin, &QLineEdit::editingFinished, this, &MainWindow::onMinChanged);
connect(ui->inputMax, &QLineEdit::editingFinished, this, &MainWindow::onMaxChanged);
connect(ui->inputStep, &QLineEdit::editingFinished, this, &MainWindow::onStepChanged);
connect(ui->inputValue, &QLineEdit::editingFinished, this, &MainWindow::onValueChanged);
// synth business
audio_->start();
// init defaults
// TODO:: there's gotta be a better way
ui->slider->setValue(PARAM_DEFS[static_cast<size_t>(ParamId::Osc1Frequency)].def);
ui->slider->setMinimum(PARAM_DEFS[static_cast<size_t>(ParamId::Osc1Frequency)].min);
ui->slider->setMaximum(PARAM_DEFS[static_cast<size_t>(ParamId::Osc1Frequency)].max);
ui->inputValue->setText(QString::number(PARAM_DEFS[static_cast<size_t>(ParamId::Osc1Frequency)].def));
ui->inputMin->setText(QString::number(PARAM_DEFS[static_cast<size_t>(ParamId::Osc1Frequency)].min));
ui->inputMax->setText(QString::number(PARAM_DEFS[static_cast<size_t>(ParamId::Osc1Frequency)].max));
}
MainWindow::~MainWindow() {
delete ui;
}
void MainWindow::keyPressEvent(QKeyEvent* event) {
keyboard_.handleKeyPress(event);
}
void MainWindow::keyReleaseEvent(QKeyEvent* event) {
keyboard_.handleKeyRelease(event);
}
void MainWindow::onIncrementClicked() {
counter_++;
updateCounterLabel();
}
void MainWindow::onResetClicked() {
counter_ = 0;
updateCounterLabel();
}
void MainWindow::updateCounterLabel() {
ui->labelCounter->setText(QString::number(counter_));
}
// allows only numbers to be set
void MainWindow::onSliderValueChanged(int value) {
QSignalBlocker blocker(ui->inputValue);
ui->inputValue->setText(QString::number(value));
// forward value so synthesizer can read
audio_->parameters()->set(ParamId::Osc1Frequency, static_cast<float>(value));
}
// allows only values within the min, max to be set by the text field
void MainWindow::onValueChanged() {
bool ok = false;
int value = ui->inputValue->text().toInt(&ok);
if(!ok) return;
value = qBound(ui->slider->minimum(), value, ui->slider->maximum());
ui->slider->setValue(value);
}
void MainWindow::applySliderRange() {
bool minOk, maxOk;
int min = ui->inputMin->text().toInt(&minOk);
int max = ui->inputMax->text().toInt(&maxOk);
if(!minOk || !maxOk || min > max) return;
ui->slider->setRange(min, max);
syncValueToUi(ui->slider->value());
}
void MainWindow::applySliderStep() {
bool ok;
int step = ui->inputStep->text().toInt(&ok);
if(!ok || step <= 0) return;
ui->slider->setSingleStep(step);
ui->slider->setPageStep(step);
}
void MainWindow::syncValueToUi(int value) {
QSignalBlocker block1(ui->slider);
QSignalBlocker block2(ui->inputValue);
value = qBound(ui->slider->minimum(), value, ui->slider->maximum());
ui->slider->setValue(value);
ui->inputValue->setText(QString::number(value));
}