Attempt to draw the points in the audio file where the FFTs are taken but of course it doesn't work like this because of the looping

Source/PS_Source/StretchSource.h

@@ -106,6 +106,7 @@ public:
 	void setPreviewDry(bool b);
 	bool isPreviewingDry() const;
 	int m_param_change_count = 0;
+	double getLastSeekPos() const { return m_seekpos; }
 	CriticalSection* getMutex() { return &m_cs; }
 private:
 	CircularBuffer<float> m_stretchoutringbuf{ 1024 * 1024 };

Source/PluginEditor.cpp

@@ -421,6 +421,8 @@ void PaulstretchpluginAudioProcessorEditor::timerCallback(int id)
 			m_wavecomponent.setRecordingPosition(processor.getRecordingPositionPercent());
 		} else
 			m_wavecomponent.setRecordingPosition(-1.0);
+		m_wavecomponent.setAudioInfo(processor.getSampleRateChecked(), processor.getStretchSource()->getLastSeekPos(),
+			processor.getStretchSource()->getFFTSize());
 		String infotext; 
 		if (processor.m_show_technical_info)
 		{
@@ -653,6 +655,8 @@ void WaveformComponent::paint(Graphics & g)
 			thumblen*m_view_range.getStart(), thumblen*m_view_range.getEnd(), 0.0f, (float)getWidth());
 		g.drawLine(tickxcor, 0.0, tickxcor, (float)m_topmargin, 1.0f);
 	}
+	
+	
 	bool m_use_cached_image = true;
 	if (m_use_cached_image == true)
 	{
@@ -676,6 +680,18 @@ void WaveformComponent::paint(Graphics & g)
 		m_thumbnail->drawChannels(g, { 0,m_topmargin,getWidth(),getHeight() - m_topmargin },
 			thumblen*m_view_range.getStart(), thumblen*m_view_range.getEnd(), 1.0f);
 	}
+	if (m_sr > 0.0 && m_fft_size > 0 && m_time_sel_start>=0.0)
+	{
+		tick_interval = 1.0 / m_sr * m_fft_size;
+		/*
+		for (double secs = m_time_sel_start*thumblen; secs < m_time_sel_end*thumblen; secs += tick_interval)
+		{
+			float tickxcor = (float)jmap<double>(fmod(secs, thumblen),
+				thumblen*m_view_range.getStart(), thumblen*m_view_range.getEnd(), 0.0f, (float)getWidth());
+			g.drawLine(tickxcor, (float)m_topmargin, tickxcor, (float)50, 2.0f);
+		}
+		*/
+	}
 	if (m_is_at_selection_drag_area)
 		g.setColour(Colours::white.withAlpha(0.6f));
 	else
@@ -753,7 +769,10 @@ void WaveformComponent::mouseDown(const MouseEvent & e)
 	if (e.y < m_topmargin || e.mods.isCommandDown())
 	{
 		if (SeekCallback)
+		{
 			SeekCallback(pos);
+			m_last_startpos = pos;
+		}
 		m_didseek = true;
 	}
 	else
@@ -880,6 +899,13 @@ void WaveformComponent::mouseWheelMove(const MouseEvent & e, const MouseWheelDet
 	*/
 }
 
+void WaveformComponent::setAudioInfo(double sr, double seekpos, int fftsize)
+{
+	m_sr = sr;
+	m_fft_size = fftsize;
+	m_last_startpos = seekpos;
+}
+
 Range<double> WaveformComponent::getTimeSelection()
 {
 	if (m_time_sel_start >= 0.0 && m_time_sel_end>m_time_sel_start + 0.001)

Source/PluginEditor.h

@@ -142,6 +142,7 @@ public:
 	void mouseMove(const MouseEvent& e) override;
 	void mouseDoubleClick(const MouseEvent& e) override;
 	void mouseWheelMove(const MouseEvent& e, const MouseWheelDetails& wd) override;
+	void setAudioInfo(double sr, double seekpos, int fftsize);
 	Range<double> getTimeSelection();
 	void setTimeSelection(Range<double> rng);
 	void setFileCachedRange(std::pair<Range<double>, Range<double>> rng);
@@ -165,6 +166,9 @@ private:
 	int getTimeSelectionEdge(int x, int y);
 	std::pair<Range<double>, Range<double>> m_file_cached;
 	bool m_image_dirty = false;
+	double m_sr = 0.0;
+	int m_fft_size = 0;
+	double m_last_startpos = 0.0;
 	Image m_waveimage;
 #ifdef JUCE_MODULE_AVAILABLE_juce_opengl
 	OpenGLContext m_ogl;