Initial import of gtk2_ardour.

git-svn-id: svn://localhost/trunk/ardour2@24 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 156 insertions, 0 deletions

diff --git a/gtk2_ardour/gain_meter.h b/gtk2_ardour/gain_meter.h
new file mode 100644
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+++ b/gtk2_ardour/gain_meter.h
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+/*
+    Copyright (C) 2002 Paul Davis
+
+    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.
+
+    $Id$
+*/
+
+#ifndef __ardour_gtk_gain_meter_h__
+#define __ardour_gtk_gain_meter_h__
+
+#include <vector>
+
+#include <ardour/types.h>
+
+#include <gtk--.h>
+#include <gtkmmext/slider_controller.h>
+#include <gtkmmext/click_box.h>
+
+#include "enums.h"
+
+namespace ARDOUR {
+	class IO;
+	class Session;
+	class Route;
+	class RouteGroup;
+}
+namespace Gtkmmext {
+	class FastMeter;
+	class BarController;
+	class Pix;
+}
+
+class GainMeter : public Gtk::VBox
+{
+  public:
+	GainMeter (ARDOUR::IO&, ARDOUR::Session&);
+	~GainMeter ();
+
+	void update_gain_sensitive ();
+
+	void update_meters ();
+	void update_meters_falloff ();
+
+	void effective_gain_display ();
+
+	void set_width (Width);
+	void setup_meters ();
+
+	void set_meter_strip_name (string name);
+	void set_fader_name (string name);
+
+  private:
+	ARDOUR::IO& _io;
+	ARDOUR::Session& _session;
+
+	bool ignore_toggle;
+
+	Gtkmmext::VSliderController *gain_slider;
+	Gtk::Adjustment              gain_adjustment;
+	Gtk::Frame                   gain_display_frame;
+	Gtkmmext::ClickBox           gain_display;
+	Gtk::Frame                   peak_display_frame;
+	Gtk::EventBox                peak_display;
+	Gtk::Label                   peak_display_label;
+	Gtk::Button                  gain_unit_button;
+	Gtk::Label                   gain_unit_label;
+	Gtk::HBox                    gain_display_box;
+	Gtk::HBox                    fader_box;
+	Gtk::DrawingArea             meter_metric_area;
+	Gtk::Button                  meter_point_button;
+        Gtk::Label                   meter_point_label;
+	Gtk::Table                   top_table;
+	Width                       _width;
+
+	gint meter_metrics_expose (GdkEventExpose *);
+
+	static void _gain_printer (char buf[32], Gtk::Adjustment&, void *);
+	void gain_printer (char buf[32], Gtk::Adjustment&);
+	
+	struct MeterInfo {
+	    Gtkmmext::FastMeter *meter;
+	    gint16          width;   
+	    bool            packed;
+	    
+	    MeterInfo() { 
+		    meter = 0;
+		    width = 0;
+		    packed = false;
+	    }
+	};
+
+	static const guint16 regular_meter_width = 5;
+	static const guint16 thin_meter_width = 2;
+	vector<MeterInfo>    meters;
+	float       max_peak;
+	
+
+	Gtk::HBox   hbox;
+	Gtk::HBox   meter_packer;
+
+	void gain_adjusted ();
+	void gain_changed (void *);
+	
+	void meter_point_clicked ();
+	void meter_changed (void *);
+	void gain_unit_changed ();
+	
+	void hide_all_meters ();
+
+	gint meter_button_press (GdkEventButton*, uint32_t);
+	gint meter_button_release (GdkEventButton*, uint32_t);
+
+	gint peak_button_release (GdkEventButton*);
+	
+	Gtk::Menu* meter_menu;
+	void popup_meter_menu (GdkEventButton*);
+
+	gint start_gain_touch (GdkEventButton*);
+	gint end_gain_touch (GdkEventButton*);
+
+	gint entry_focus_event (GdkEventFocus* ev);
+
+	void set_mix_group_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
+	void set_meter_point (ARDOUR::Route&, ARDOUR::MeterPoint);
+	gint meter_release (GdkEventButton*);
+	gint meter_press (GdkEventButton*);
+	bool wait_for_release;
+	ARDOUR::MeterPoint old_meter_point;
+
+	void meter_hold_changed();
+
+	void reset_peak_display ();
+	void reset_group_peak_display (ARDOUR::RouteGroup*);
+
+	static SigC::Signal0<void> ResetAllPeakDisplays;
+	static SigC::Signal1<void,ARDOUR::RouteGroup*> ResetGroupPeakDisplays;
+
+	static Gtkmmext::Pix* slider_pix;
+	static int setup_slider_pix ();
+};
+
+#endif /* __ardour_gtk_gain_meter_h__ */
+