Store and restore zoomscrollbar positions. Readme change.

Source/PluginEditor.cpp

@@ -83,7 +83,9 @@ PaulstretchpluginAudioProcessorEditor::PaulstretchpluginAudioProcessorEditor(Pau
 	m_zs.RangeChanged = [this](Range<double> r)
 	{
 		m_wavecomponent.setViewRange(r);
+		processor.m_wave_view_range = r;
 	};
+	m_zs.setRange(processor.m_wave_view_range, true);
 	setSize (1000, 30+(pars.size()/2)*25+200+15);
 	m_wavecomponent.TimeSelectionChangedCallback = [this](Range<double> range, int which)
 	{
@@ -229,7 +231,7 @@ void PaulstretchpluginAudioProcessorEditor::resized()
 	int remain_h = getHeight() - 1 - yoffs -15;
 	m_spec_order_ed.setBounds(1, yoffs, getWidth() - 2, remain_h / 5 * 1);
 	m_wavecomponent.setBounds(1, m_spec_order_ed.getBottom()+1, getWidth()-2, remain_h/5*4);
-	m_zs.setBounds(1, m_wavecomponent.getBottom(), getWidth() - 2, 14);
+	m_zs.setBounds(1, m_wavecomponent.getBottom(), getWidth() - 2, 16);
 	//m_specvis.setBounds(1, yoffs, getWidth() - 2, getHeight() - 1 - yoffs);
 }
 
@@ -1132,6 +1134,8 @@ void zoom_scrollbar::paint(Graphics &g)
 
 void zoom_scrollbar::setRange(Range<double> rng, bool docallback)
 {
+	if (rng.isEmpty())
+		return;
 	m_therange = rng.constrainRange({ 0.0,1.0 });
 	if (RangeChanged && docallback)
 		RangeChanged(m_therange);

Source/PluginProcessor.cpp

@@ -225,6 +225,7 @@ ValueTree PaulstretchpluginAudioProcessor::getStateTree(bool ignoreoptions, bool
 			paramtree.setProperty("prebufamount", -1, nullptr);
 		paramtree.setProperty("loadfilewithstate", m_load_file_with_state, nullptr);
 	}
+	storeToTreeProperties(paramtree, nullptr, "waveviewrange", m_wave_view_range);
 	return paramtree;
 }
 
@@ -246,6 +247,7 @@ void PaulstretchpluginAudioProcessor::setStateFromTree(ValueTree tree)
 				}
 				m_stretch_source->setSpectrumProcessOrder(order);
 			}
+			getFromTreeProperties(tree, "waveviewrange", m_wave_view_range);
 			for (int i = 0; i < getNumParameters(); ++i)
 			{
 				auto par = getFloatParameter(i);

Source/PluginProcessor.h

@@ -163,6 +163,7 @@ public:
 	bool m_state_dirty = false;
 	std::unique_ptr<AudioThumbnail> m_thumb;
 	bool m_show_technical_info = false;
+	Range<double> m_wave_view_range;
 private:
 	
 	

readme.txt

@@ -8,8 +8,9 @@ Released under GNU General Public License v.2 license.
 
 History :
 
-02-13-2018 1.0.1
+02-14-2018 1.0.1
 	-Increased maximum number of input channels to 8
+	-Added zoom/scroll bar for waveform
 	-GUI performance improvement/bug fix during capture mode
 02-09-2018 1.0.0
 	-Control/Command click on waveform seeks (if click within active play range)