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diff --git a/gtk2_ardour/eq_gui.h b/gtk2_ardour/eq_gui.h
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+/*
+    Copyright (C) 2008 Paul Davis
+    Author: Sampo Savolainen
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_eq_gui_h
+#define __ardour_eq_gui_h
+
+#include <ardour/buffer_set.h>
+#include <ardour/plugin_insert.h>
+#include <ardour/plugin.h>
+
+#include <gtkmm/table.h>
+#include <gtkmm/drawingarea.h>
+#include <gtkmm/combobox.h>
+#include <gtkmm/liststore.h>
+
+class Plugin;
+class FFT;
+
+class PluginEqGui : public Gtk::Table
+{
+	public:
+		PluginEqGui(boost::shared_ptr<ARDOUR::PluginInsert>);
+		~PluginEqGui();
+		
+	
+
+	private:
+		// Setup
+		void setBufferSize(uint32_t);
+		void dBScaleChanged();
+
+		// Analysis
+		void runAnalysis();
+
+		// Drawing
+		virtual void on_hide();
+		virtual void on_show();
+
+		void resizeAnalysisArea(Gtk::Allocation&);
+
+		void redrawAnalysisArea();
+		void generateAnalysisScale(cairo_t *);
+		bool exposeAnalysisArea(GdkEventExpose *);
+
+		void drawPowerScale(Gtk::Widget *, cairo_t *);
+		void drawPower(Gtk::Widget *,cairo_t *);
+
+		void drawPhaseScale(Gtk::Widget *,cairo_t *);
+		void drawPhase(Gtk::Widget *,cairo_t *);
+
+		// Helpers
+		bool timeoutCallback();
+		void redrawScales();
+
+
+		// Fields:
+
+		// analysis parameters
+		float _samplerate;
+
+		float _mindB;
+		float _maxdB;
+		float _dBStep;
+
+
+		float _logCoeff;
+		float _logMax;
+
+		nframes_t _bufferSize;
+
+		// buffers		
+		ARDOUR::BufferSet _bufferset;
+
+
+		// dimensions
+		float _analysisWidth;
+		float _analysisHeight;
+
+		// My objects
+		FFT *_impulseFft;
+		boost::shared_ptr<ARDOUR::Plugin> _plugin;
+
+		// gui objects
+		Gtk::DrawingArea *_analysisArea;
+		cairo_surface_t *_analysisScaleSurface;
+
+
+		// dB scale selection:
+		class dBSelectionColumns : public Gtk::TreeModel::ColumnRecord
+		{
+		  public:
+			dBSelectionColumns()
+				{ add(dBMin); add(dBMax); add(dBStep); add(name); }
+
+			Gtk::TreeModelColumn<float> dBMin;
+			Gtk::TreeModelColumn<float> dBMax;
+			Gtk::TreeModelColumn<float> dBStep;
+			Gtk::TreeModelColumn<Glib::ustring> name;
+		};
+
+		dBSelectionColumns dBColumns;
+
+		Gtk::ComboBox *dBScaleCombo;
+		Glib::RefPtr<Gtk::ListStore> dBScaleModel;
+
+		Gtk::CheckButton *phaseSelect;
+
+		// signals and connections
+		sigc::connection _updateConn;
+};
+
+#endif
+