Added debug controls for afterglow and lightspeed again

mainwindow.cpp

@@ -2,11 +2,10 @@
 #include "ui_mainwindow.h"
 
 // Qt includes
-#include <QButtonGroup>
-#include <QMessageBox>
-#include <QStringBuilder>
-#include <QRadioButton>
 #include <QLabel>
+#include <QWidgetAction>
+#include <QFormLayout>
+#include <QSpinBox>
 #include <QDebug>
 
 // local includes
@@ -43,13 +42,13 @@ MainWindow::MainWindow(QWidget *parent) :
     // setting up menu File
     connect(m_ui->actionStart, &QAction::triggered, this, &MainWindow::start);
     connect(m_ui->actionStop, &QAction::triggered, this, &MainWindow::stop);
-    m_ui->action_Quit->setShortcut(QKeySequence::Quit);
+    m_ui->actionQuit->setShortcut(QKeySequence::Quit);
 
     // setting up menu Devices
     for (const auto &device : m_audioDevices)
     {
         auto name = device.deviceName();
-        const auto action = m_ui->menu_Device->addAction(name);
+        const auto action = m_ui->menuDevice->addAction(name);
         action->setCheckable(true);
         m_deviceGroup.addAction(action);
 
@@ -61,7 +60,7 @@ MainWindow::MainWindow(QWidget *parent) :
     // setting up menu Samplerates
     for (const auto samplerate : samplerates)
     {
-        auto action = m_ui->menu_Samplerate->addAction(tr("%0").arg(samplerate));
+        auto action = m_ui->menuSamplerate->addAction(tr("%0").arg(samplerate));
         action->setCheckable(true);
         m_samplerateGroup.addAction(action);
     }
@@ -71,7 +70,7 @@ MainWindow::MainWindow(QWidget *parent) :
     // setting up menu Refreshrates
     for (const auto refreshrate : refreshrates)
     {
-        auto action = m_ui->menu_Refreshrate->addAction(tr("%0FPS").arg(refreshrate));
+        auto action = m_ui->menuRefreshrate->addAction(tr("%0FPS").arg(refreshrate));
         action->setCheckable(true);
         m_refreshrateGroup.addAction(action);
     }
@@ -87,7 +86,7 @@ MainWindow::MainWindow(QWidget *parent) :
     // setting up menu Zoom
     for (const auto zoomlevel : zoomlevels)
     {
-        auto action = m_ui->menu_Zoom->addAction(tr("%0%").arg(zoomlevel));
+        auto action = m_ui->menuZoom->addAction(tr("%0%").arg(zoomlevel));
         action->setCheckable(true);
         m_zoomlevelsGroup.addAction(action);
     }
@@ -100,6 +99,29 @@ MainWindow::MainWindow(QWidget *parent) :
 
     connect(&m_zoomlevelsGroup, &QActionGroup::triggered, this, &MainWindow::zoomChanged);
 
+    //setting up menu Debug
+    {
+        auto widgetAction = new QWidgetAction(this);
+        auto widget = new QWidget;
+        auto layout = new QFormLayout(widget);
+        {
+            auto input = new QSpinBox;
+            input->setRange(0, 255);
+            input->setValue(m_ui->widget->afterglow());
+            connect(input, qOverload<int>(&QSpinBox::valueChanged), m_ui->widget, &OsciWidget::setAfterglow);
+            layout->addRow(tr("Afterglow:"), input);
+        }
+        {
+            auto input = new QSpinBox;
+            input->setRange(0, 255);
+            input->setValue(m_ui->widget->lightspeed());
+            connect(input, qOverload<int>(&QSpinBox::valueChanged), m_ui->widget, &OsciWidget::setLightspeed);
+            layout->addRow(tr("Lightspeed:"), input);
+        }
+        widgetAction->setDefaultWidget(widget);
+        m_ui->menuDebug->addAction(widgetAction);
+    }
+
     // autostart
     if (m_audioDevices.isEmpty())
     {

mainwindow.ui

@@ -23,43 +23,49 @@
      <height>20</height>
     </rect>
    </property>
-   <widget class="QMenu" name="menu_File">
+   <widget class="QMenu" name="menuFile">
     <property name="title">
      <string>&amp;File</string>
     </property>
     <addaction name="actionStart"/>
     <addaction name="actionStop"/>
     <addaction name="separator"/>
-    <addaction name="action_Quit"/>
+    <addaction name="actionQuit"/>
    </widget>
-   <widget class="QMenu" name="menu_Device">
+   <widget class="QMenu" name="menuDevice">
     <property name="title">
      <string>&amp;Device</string>
     </property>
    </widget>
-   <widget class="QMenu" name="menu_Samplerate">
+   <widget class="QMenu" name="menuSamplerate">
     <property name="title">
      <string>&amp;Samplerate</string>
     </property>
    </widget>
-   <widget class="QMenu" name="menu_Refreshrate">
+   <widget class="QMenu" name="menuRefreshrate">
     <property name="title">
      <string>&amp;Refreshrate</string>
     </property>
    </widget>
-   <widget class="QMenu" name="menu_Zoom">
+   <widget class="QMenu" name="menuZoom">
     <property name="title">
      <string>&amp;Zoom</string>
     </property>
    </widget>
-   <addaction name="menu_File"/>
-   <addaction name="menu_Device"/>
-   <addaction name="menu_Samplerate"/>
-   <addaction name="menu_Refreshrate"/>
-   <addaction name="menu_Zoom"/>
+   <widget class="QMenu" name="menuDebug">
+    <property name="title">
+     <string>Debug</string>
+    </property>
+   </widget>
+   <addaction name="menuFile"/>
+   <addaction name="menuDevice"/>
+   <addaction name="menuSamplerate"/>
+   <addaction name="menuRefreshrate"/>
+   <addaction name="menuZoom"/>
+   <addaction name="menuDebug"/>
   </widget>
   <widget class="QStatusBar" name="statusbar"/>
-  <action name="action_Quit">
+  <action name="actionQuit">
    <property name="text">
     <string>&amp;Quit</string>
    </property>
@@ -86,7 +92,7 @@
  <resources/>
  <connections>
   <connection>
-   <sender>action_Quit</sender>
+   <sender>actionQuit</sender>
    <signal>triggered()</signal>
    <receiver>MainWindow</receiver>
    <slot>close()</slot>

osciwidget.cpp

@@ -14,6 +14,11 @@ OsciWidget::OsciWidget(QWidget *parent) :
     m_statsTimer.start();
 }
 
+int OsciWidget::lightspeed() const
+{
+    return std::cbrt(m_lightspeed) * 20.f;
+}
+
 void OsciWidget::setFps(int fps)
 {
     killTimer(m_redrawTimerId);
@@ -23,6 +28,12 @@ void OsciWidget::setFps(int fps)
     m_redrawTimerId = startTimer(1000/m_fps);
 }
 
+void OsciWidget::setLightspeed(int lightspeed) {
+    const auto temp = (float(lightspeed)/20.f);
+    m_lightspeed = temp*temp*temp;
+    qDebug() << m_lightspeed;
+}
+
 void OsciWidget::renderSamples(const SamplePair *begin, const SamplePair *end)
 {
     m_callbacksCounter++;
@@ -52,7 +63,7 @@ void OsciWidget::paintEvent(QPaintEvent *event)
     // darkening last frame
     painter.setCompositionMode(QPainter::CompositionMode_Multiply);
     painter.setPen({});
-    painter.setBrush(QColor(150,150,150 ));
+    painter.setBrush(QColor(m_afterglow, m_afterglow, m_afterglow));
     painter.drawRect(m_pixmap.rect());
 
     // drawing new lines ontop
@@ -80,7 +91,7 @@ void OsciWidget::paintEvent(QPaintEvent *event)
 
         const QLineF line(m_lastPoint, p);
 
-        painter.setOpacity(std::min(1.0, 1. / ((line.length() * 75) + 1)));
+        painter.setOpacity(std::min(1.0, 1. / ((line.length() * m_lightspeed) + 1)));
 
         painter.drawLine(pointToCoordinates(m_lastPoint), pointToCoordinates(p));
 

osciwidget.h

@@ -21,6 +21,8 @@ public:
 
     float factor() const { return m_factor; }
     int fps() const { return m_fps; }
+    int afterglow() const { return m_afterglow; }
+    int lightspeed() const;
 
 signals:
     void statusUpdate(const QString &status);
@@ -28,6 +30,8 @@ signals:
 public slots:
     void setFactor(float factor) { m_factor = factor; }
     void setFps(int fps);
+    void setAfterglow(int afterglow) { m_afterglow = afterglow; }
+    void setLightspeed(int lightspeed);
 
     void renderSamples(const SamplePair *begin, const SamplePair *end);
 
@@ -36,17 +40,17 @@ protected:
     void timerEvent(QTimerEvent *event) override;
 
 private:
-    float m_factor{2.f};
-
+    int m_redrawTimerId;
     QPointF m_lastPoint;
 
+    float m_factor{2.f};
+    int m_fps{15}, m_afterglow{175};
+    float m_lightspeed{35.f};
+
+    std::vector<SamplePair> m_buffer;
+
     int m_frameCounter{0}, m_callbacksCounter{0};
     QElapsedTimer m_statsTimer;
 
-    int m_fps{15};
-    int m_redrawTimerId;
-
-    std::vector<SamplePair> m_buffer;
-
     QPixmap m_pixmap;
 };