Initial import of gtk2_ardour.

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

1 files changed, 75 insertions, 0 deletions

diff --git a/gtk2_ardour/gain_automation_time_axis.cc b/gtk2_ardour/gain_automation_time_axis.cc
new file mode 100644
index 0000000000..2f739e0fad
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+++ b/gtk2_ardour/gain_automation_time_axis.cc
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+/*
+    Copyright (C) 2003 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.
+
+    $Id$
+*/
+
+#include <ardour/curve.h>
+#include <ardour/route.h>
+
+#include "gain_automation_time_axis.h"
+#include "automation_line.h"
+
+#include "i18n.h"
+
+using namespace ARDOUR;
+using namespace Gtk;
+
+GainAutomationTimeAxisView::GainAutomationTimeAxisView (Session& s, Route& r, PublicEditor& e, TimeAxisView& parent, Widget* p, std::string n, ARDOUR::Curve& c)
+
+	: AxisView (s),
+	  AutomationTimeAxisView (s, r, e, parent, p, n, X_("gain"), ""),
+	  curve (c)
+	
+{
+}
+
+GainAutomationTimeAxisView::~GainAutomationTimeAxisView ()
+{
+}
+
+void
+GainAutomationTimeAxisView::add_automation_event (GtkCanvasItem* item, GdkEvent* event, jack_nframes_t when, double y)
+{
+	double x = 0;
+
+	gtk_canvas_item_w2i (canvas_display, &x, &y);
+
+	/* compute vertical fractional position */
+
+	y = 1.0 - (y / height);
+
+	/* map using line */
+
+	lines.front()->view_to_model_y (y);
+
+	_session.begin_reversible_command (_("add gain automation event"));
+
+	_session.add_undo (curve.get_memento());
+	curve.add (when, y);
+	_session.add_redo_no_execute (curve.get_memento());
+	_session.commit_reversible_command ();
+	_session.set_dirty ();
+}
+
+void
+GainAutomationTimeAxisView::set_automation_state (AutoState state)
+{
+	if (!ignore_state_request) {
+		route.set_gain_automation_state (state);
+	}
+}