Returns (i.e. sidechains).

And lo, upon the revision of our hoarde 5061, was the last Big Feature
committed to Three Poino, who, now more than ever, lurks imposingly on
the sidelines, heir to the throne, and eventual ruler of the realm.
His eventual succession all but guaranteed, only time and the number
of heads that must roll remain mysteries.


git-svn-id: svn://localhost/ardour2/branches/3.0@5061 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 133 insertions, 0 deletions

diff --git a/gtk2_ardour/return_ui.cc b/gtk2_ardour/return_ui.cc
new file mode 100644
index 0000000000..5423415bd2
--- /dev/null
+++ b/gtk2_ardour/return_ui.cc
@@ -0,0 +1,133 @@
+/*
+    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.
+
+*/
+
+#include <gtkmm2ext/doi.h>
+
+#include "ardour/io.h"
+#include "ardour/return.h"
+
+#include "utils.h"
+#include "return_ui.h"
+#include "io_selector.h"
+#include "ardour_ui.h"
+#include "gui_thread.h"
+
+using namespace ARDOUR;
+using namespace PBD;
+
+ReturnUI::ReturnUI (boost::shared_ptr<Return> r, Session& se)
+	: _return (r)
+	, _session (se)
+	, _gpm (se)
+{
+ 	_gpm.set_io (r->io());
+
+	_hbox.pack_start (_gpm, true, true);
+	set_name ("ReturnUIFrame");
+	
+	_vbox.set_spacing (5);
+	_vbox.set_border_width (5);
+
+	_vbox.pack_start (_hbox, false, false, false);
+
+	io = manage (new IOSelector (se, r->io(), true));
+	
+	pack_start (_vbox, false, false);
+
+	pack_start (*io, true, true);
+
+	show_all ();
+
+	//_return->set_metering (true);
+
+	_return->io()->input_changed.connect (mem_fun (*this, &ReturnUI::ins_changed));
+	//_return->io()->output_changed.connect (mem_fun (*this, &ReturnUI::outs_changed));
+	
+	_gpm.setup_meters ();
+	_gpm.set_fader_name ("ReturnUIFrame");
+
+	// screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect (mem_fun (*this, &ReturnUI::update));
+	fast_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &ReturnUI::fast_update));
+}
+
+ReturnUI::~ReturnUI ()
+{
+	//_return->set_metering (false);
+
+	/* XXX not clear that we need to do this */
+
+	screen_update_connection.disconnect();
+	fast_screen_update_connection.disconnect();
+}
+
+void
+ReturnUI::ins_changed (IOChange change, void* ignored)
+{
+	ENSURE_GUI_THREAD(bind (mem_fun (*this, &ReturnUI::ins_changed), change, ignored));
+	if (change & ConfigurationChanged) {
+		_gpm.setup_meters ();
+	}
+}
+
+void
+ReturnUI::update ()
+{
+}
+
+void
+ReturnUI::fast_update ()
+{
+	if (Config->get_meter_falloff() > 0.0f) {
+		_gpm.update_meters ();
+	}
+}
+	
+ReturnUIWindow::ReturnUIWindow (boost::shared_ptr<Return> s, Session& ss)
+	: ArdourDialog (string("Ardour: return ") + s->name())
+{
+	ui = new ReturnUI (s, ss);
+
+	hpacker.pack_start (*ui, true, true);
+
+	get_vbox()->set_border_width (5);
+	get_vbox()->pack_start (hpacker);
+
+	set_name ("ReturnUIWindow");
+	
+	going_away_connection = s->GoingAway.connect (
+			mem_fun (*this, &ReturnUIWindow::return_going_away));
+
+	signal_delete_event().connect (bind (
+			ptr_fun (just_hide_it),
+			reinterpret_cast<Window *> (this)));
+}
+
+ReturnUIWindow::~ReturnUIWindow ()
+{
+	delete ui;
+}
+
+void
+ReturnUIWindow::return_going_away ()
+{
+	ENSURE_GUI_THREAD (mem_fun (*this, &ReturnUIWindow::return_going_away));
+	delete_when_idle (this);
+	going_away_connection.disconnect ();
+}
+