factor out shuttle controller to its own class, new design

git-svn-id: svn://localhost/ardour2/branches/3.0@9391 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 91 insertions, 0 deletions

diff --git a/gtk2_ardour/shuttle_control.h b/gtk2_ardour/shuttle_control.h
new file mode 100644
index 0000000000..4256d87536
--- /dev/null
+++ b/gtk2_ardour/shuttle_control.h
@@ -0,0 +1,91 @@
+/*
+    Copyright (C) 2011 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.
+*/
+
+#ifndef __gtk2_ardour_shuttle_control_h__
+#define __gtk2_ardour_shuttle_control_h__
+
+#include <gtkmm/drawingarea.h>
+
+#include "pbd/controllable.h"
+#include "ardour/session_handle.h"
+
+namespace Gtk {
+	class Menu;
+}
+
+#include "ardour/types.h"
+
+class ShuttleControl : public Gtk::DrawingArea, public ARDOUR::SessionHandlePtr 
+{
+  public:
+	ShuttleControl ();
+	~ShuttleControl ();
+
+	void map_transport_state ();
+	void update_speed_display ();
+	void set_shuttle_fract (double);
+	double get_shuttle_fract () const { return shuttle_fract; }
+	void set_session (ARDOUR::Session*);
+
+	struct ShuttleControllable : public PBD::Controllable {
+		ShuttleControllable (ShuttleControl&);
+		void set_value (double);
+		double get_value (void) const;
+		
+		void set_id (const std::string&);
+		
+		ShuttleControl& sc;
+	};
+
+	ShuttleControllable& controllable() { return _controllable; }
+
+  protected:
+	float  shuttle_max_speed;
+	float  last_speed_displayed;
+	bool   shuttle_grabbed;
+	double shuttle_fract;
+	ShuttleControllable _controllable;
+	cairo_pattern_t* pattern;
+	ARDOUR::microseconds_t last_shuttle_request;
+	PBD::ScopedConnection parameter_connection;
+	Gtk::Menu*        shuttle_unit_menu;
+	Gtk::Menu*        shuttle_style_menu;
+	Gtk::Menu*        shuttle_context_menu;
+
+	void build_shuttle_context_menu ();
+	void show_shuttle_context_menu ();
+	void shuttle_style_changed();
+	void shuttle_unit_clicked ();
+	void set_shuttle_max_speed (float);
+
+	bool on_button_press_event (GdkEventButton*);
+	bool on_button_release_event(GdkEventButton*);
+	bool on_scroll_event (GdkEventScroll*);
+	bool on_motion_notify_event(GdkEventMotion*);
+	bool on_expose_event(GdkEventExpose*);
+	void on_size_allocate (Gtk::Allocation&);
+
+	gint mouse_shuttle (double x, bool force);
+	void use_shuttle_fract (bool force);
+	void parameter_changed (std::string);
+
+	void set_shuttle_units (ARDOUR::ShuttleUnits);
+	void set_shuttle_style (ARDOUR::ShuttleBehaviour);
+};
+
+#endif /* __gtk2_ardour_shuttle_control_h__ */