Lots of foundational work for Amuse editor

Editor/MainWindow.hpp

@@ -2,16 +2,74 @@
 #define AMUSE_MAINWINDOW_HPP
 
 #include <QMainWindow>
+#include <QUndoStack>
+#include "ui_MainWindow.h"
+#include "amuse/Engine.hpp"
+#include "amuse/BooBackend.hpp"
+#include "boo/audiodev/IAudioVoiceEngine.hpp"
+#include "ProjectModel.hpp"
+
 namespace Ui {
 class MainWindow;
 }
 
+class AudioGroupModel;
+
 class MainWindow : public QMainWindow
 {
     Q_OBJECT
-    Ui::MainWindow* m_ui;
+    Ui::MainWindow m_ui;
+    ProjectModel* m_projectModel = nullptr;
+    AudioGroupModel* m_focusAudioGroup = nullptr;
+
+    std::unique_ptr<boo::IAudioVoiceEngine> m_voxEngine;
+    std::unique_ptr<amuse::BooBackendVoiceAllocator> m_voxAllocator;
+    std::unique_ptr<amuse::Engine> m_engine;
+
+    QUndoStack* m_undoStack;
+
+    QMetaObject::Connection m_undoConn;
+    QMetaObject::Connection m_canUndoConn;
+    QMetaObject::Connection m_redoConn;
+    QMetaObject::Connection m_canRedoConn;
+    QMetaObject::Connection m_cutConn;
+    QMetaObject::Connection m_copyConn;
+    QMetaObject::Connection m_pasteConn;
+    QMetaObject::Connection m_deleteConn;
+    QMetaObject::Connection m_canEditConn;
+
+    bool setProjectPath(const QString& path);
+    void setFocusAudioGroup(AudioGroupModel* group);
+    void refreshAudioIO();
+    void refreshMIDIIO();
+
 public:
     explicit MainWindow(QWidget* parent = Q_NULLPTR);
+    ~MainWindow();
+
+public slots:
+    void newAction();
+    void openAction();
+    void importAction();
+    void exportAction();
+
+    void newSFXGroupAction();
+    void newSongGroupAction();
+    void newSoundMacroAction();
+    void newKeymapAction();
+    void newLayersAction();
+
+    void aboutToShowAudioIOMenu();
+    void aboutToShowMIDIIOMenu();
+
+    void setAudioIO();
+    void setMIDIIO();
+
+    void onFocusChanged(QWidget* old, QWidget* now);
+    void onTextEdited();
+    void onTextSelect();
+    void onTextDelete();
+
 };