make file picker contruct using whatever soundfont path is available at construction-time. work towards giving Processor access to change its File on load.

Source/FilePicker.cpp

@@ -22,6 +22,11 @@ FilePicker::FilePicker(
     // faster (rounded edges introduce transparency)
     setOpaque (true);
 
+    const String& currentSoundFontAbsPath = fluidSynthModel->getCurrentSoundFontAbsPath();
+    if (currentSoundFontAbsPath.isNotEmpty()) {
+        fileChooser.setCurrentFile(File(currentSoundFontAbsPath), true, dontSendNotification);
+    }
+
     addAndMakeVisible (fileChooser);
     fileChooser.addListener (this);
 }

Source/FluidSynthModel.cpp

@@ -170,6 +170,10 @@ bool FluidSynthModel::shouldLoadFont(const String &absPath) {
 void FluidSynthModel::Listener::fontChanged(FluidSynthModel * model, const String &absPath) {
 }
 
+const String& FluidSynthModel::getCurrentSoundFontAbsPath() {
+    return currentSoundFontAbsPath;
+}
+
 //==============================================================================
 void FluidSynthModel::addListener (FluidSynthModel::Listener* const newListener)
 {

Source/FluidSynthModel.h

@@ -56,6 +56,8 @@ public:
     */
     void removeListener (Listener* listener);
 
+    const String& getCurrentSoundFontAbsPath();
+
 private:
     SharesParams& sharesParams;
 

Source/PluginEditor.cpp

@@ -134,3 +134,7 @@ bool JuicySFAudioProcessorEditor::keyStateChanged (bool isKeyDown) {
 //    }
 //    return false;
 }
+
+const FilePicker& JuicySFAudioProcessorEditor::getFilePicker() {
+
+}

Source/PluginEditor.h

@@ -37,6 +37,8 @@ public:
 //    void getStateInformation (XmlElement& xml) override;
 //    void setStateInformation (XmlElement* xmlState) override;
 
+    const FilePicker& getFilePicker();
+
 private:
     // This reference is provided as a quick way for your editor to
     // access the processor object that created it.

Source/PluginProcessor.cpp

@@ -242,6 +242,11 @@ void JuicySFAudioProcessor::setStateInformation (const void* data, int sizeInByt
             if (editor != nullptr) {
                 editor->setSize(lastUIWidth, lastUIHeight);
             }
+
+//            const String& currentSoundFontAbsPath = fluidSynthModel->getCurrentSoundFontAbsPath();
+//            if (currentSoundFontAbsPath.isNotEmpty()) {
+//                fileChooser.setCurrentFile(File(currentSoundFontAbsPath), true, dontSendNotification);
+//            }
         }
     }
 }