Trying to fix a problem with the file import dialog. The dialog is not actually modal, so it's possible to close the plugin GUI or delete the plugin while the dialog is still open. No complete fix yet and the dialog opened by launchAsync has the ancient GUI style on Windows...Big SIGH.

Source/PluginEditor.cpp

@@ -524,12 +524,14 @@ void PaulstretchpluginAudioProcessorEditor::chooseFile()
 	String filterstring = processor.m_afm->getWildcardForAllFormats();
 	//auto prevcomp = std::make_unique<AudioFilePreviewComponent>(&processor);
 	//processor.setAudioPreview(prevcomp.get());
-	FileChooser myChooser("Please select audio file...",
+	m_filechooser = std::make_unique<FileChooser>("Please select audio file...",
 		initialloc,
-		filterstring,true);
+		filterstring,true,false,this);
-	if (myChooser.browseForFileToOpen())
+	m_filechooser->launchAsync(0, processor.m_filechoose_callback);
+	return;
+		//if (m_filechooser->launchAsync(0,processor.m_filechoose_callback))
 	{
-        File resu = myChooser.getResult();
+        File resu = m_filechooser->getResult();
         String pathname = resu.getFullPathName();
         if (pathname.startsWith("/localhost"))
         {
@@ -539,8 +541,8 @@ void PaulstretchpluginAudioProcessorEditor::chooseFile()
         processor.m_propsfile->m_props_file->setValue("importfilefolder", resu.getParentDirectory().getFullPathName());
         m_last_err = processor.setAudioFile(resu);
 	}
-	processor.setAudioPreview(nullptr);
+	//processor.setAudioPreview(nullptr);
-	toFront(true);
+	//toFront(true);
 }
 
 void PaulstretchpluginAudioProcessorEditor::showSettingsMenu()

Source/PluginEditor.h

@@ -436,6 +436,7 @@ public:
 	void showRenderDialog();
 	void executeModalMenuAction(int menuid, int actionid);
 	SimpleFFTComponent m_sonogram;
+	String m_last_err;
 private:
 	PaulstretchpluginAudioProcessor& processor;
 	uptrvec<ParameterComponent> m_parcomps;
@@ -449,7 +450,7 @@ private:
 	SpectralChainEditor m_spec_order_ed;
 	
 	void showSettingsMenu();
-    String m_last_err;
+    
 	zoom_scrollbar m_zs;
 	RatioMixerEditor m_ratiomixeditor{ 8 };
 	FreeFilterComponent m_free_filter_component;
@@ -458,6 +459,8 @@ private:
 	Component* m_wave_container=nullptr;
 	void showAbout();
 	std::vector<int> m_capturelens{ 2,5,10,30,60,120 };
+	
+	std::unique_ptr<FileChooser> m_filechooser;
 	JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PaulstretchpluginAudioProcessorEditor)
 };
 

Source/PluginProcessor.cpp

@@ -60,6 +60,23 @@ inline AudioParameterFloat* make_floatpar(String id, String name, float minv, fl
 PaulstretchpluginAudioProcessor::PaulstretchpluginAudioProcessor()
 	: m_bufferingthread("pspluginprebufferthread")
 {
+	m_filechoose_callback = [this](const FileChooser& chooser)
+	{
+		File resu = chooser.getResult();
+		String pathname = resu.getFullPathName();
+		if (pathname.startsWith("/localhost"))
+		{
+			pathname = pathname.substring(10);
+			resu = File(pathname);
+		}
+		m_propsfile->m_props_file->setValue("importfilefolder", resu.getParentDirectory().getFullPathName());
+		String loaderr = setAudioFile(resu);
+		if (auto ed = dynamic_cast<PaulstretchpluginAudioProcessorEditor*>(getActiveEditor()); ed != nullptr)
+		{
+			ed->m_last_err = loaderr;
+		}
+		
+	};
 	m_playposinfo.timeInSeconds = 0.0;
 	
     m_free_filter_envelope = std::make_shared<breakpoint_envelope>();

Source/PluginProcessor.h

@@ -241,6 +241,7 @@ public:
 	bool m_save_captured_audio = true;
 	String m_capture_location;
 	bool m_midinote_control = false;
+	std::function<void(const FileChooser&)> m_filechoose_callback;
 private:
 	bool m_prebuffering_inited = false;
 	AudioBuffer<float> m_recbuffer;