Christmas cleaning

src/ui/MainWindow.cpp

@@ -0,0 +1,118 @@
+
+#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));
+}