Move a good chunk of the singleton objects into a new QApplication subclass.

logic/lists/IconList.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <QMutex>
+#include <QAbstractListModel>
+#include <QtGui/QIcon>
+
+class Private;
+
+class IconList : public QAbstractListModel
+{
+public:
+	IconList();
+	virtual ~IconList();
+	
+	QIcon getIcon ( QString key );
+	int getIconIndex ( QString key );
+	
+	virtual QVariant data ( const QModelIndex& index, int role = Qt::DisplayRole ) const;
+	virtual int rowCount ( const QModelIndex& parent = QModelIndex() ) const;
+	
+	bool addIcon(QString key, QString name, QString path, bool is_builtin = false);
+	bool deleteIcon(QString key);
+	
+	virtual QStringList mimeTypes() const;
+	virtual Qt::DropActions supportedDropActions() const;
+	virtual bool dropMimeData ( const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent );
+	virtual Qt::ItemFlags flags ( const QModelIndex& index ) const;
+	
+	void installIcons ( QStringList iconFiles );
+	
+private:
+	// hide copy constructor
+	IconList ( const IconList & ) = delete;
+	// hide assign op
+	IconList& operator= ( const IconList & ) = delete;
+	void reindex();
+	Private* d;
+};