Use shared_ptr for the TimeAxisView hierarchy.

[ardour.git] / gtk2_ardour / region_gain_line.cc

diff --git a/gtk2_ardour/region_gain_line.cc b/gtk2_ardour/region_gain_line.cc
index c3d81bbf8a8331cec37dd624865f5bd1d9c30016..bce3fb21fe99003034ec1d4035f97d7eee674bc4 100644 (file)
--- a/gtk2_ardour/region_gain_line.cc
+++ b/gtk2_ardour/region_gain_line.cc
@@ -1,56 +1,62 @@
-#include <ardour/curve.h>
-#include <ardour/audioregion.h>
+/*
+    Copyright (C) 2000-2007 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 "evoral/Curve.hpp"
+#include "ardour/audioregion.h"
+#include "pbd/memento_command.h"
 
 #include "region_gain_line.h"
-#include "regionview.h"
+#include "audio_region_view.h"
 #include "utils.h"
 
 #include "time_axis_view.h"
 #include "editor.h"
 
-#include <ardour/session.h>
-
+#include "ardour/session.h"
 
 #include "i18n.h"
 
-
 using namespace std;
 using namespace ARDOUR;
+using namespace PBD;
 
-AudioRegionGainLine::AudioRegionGainLine (string name, Session& s, AudioRegionView& r, GtkCanvasItem* parent,
-                                         Curve& c, 
-                                         gint (*point_callback)(GtkCanvasItem*, GdkEvent*, gpointer),
-                                         gint (*line_callback)(GtkCanvasItem*, GdkEvent*, gpointer))
-       : AutomationLine (name, r.get_time_axis_view(), parent, c, point_callback, line_callback),
-         session (s),
-         rv (r)
+AudioRegionGainLine::AudioRegionGainLine (const string & name, Session& s, AudioRegionView& r, ArdourCanvas::Group& parent, boost::shared_ptr<AutomationList> l)
+       : AutomationLine (name, r.get_time_axis_view(), parent, l)
+       , session (s)
+       , rv (r)
 {
-       gtk_canvas_item_raise_to_top (group);
-       set_verbose_cursor_uses_gain_mapping (true);
-       terminal_points_can_slide = false;
-}
+       // If this isn't true something is horribly wrong, and we'll get catastrophic gain values
+       assert(l->parameter().type() == EnvelopeAutomation);
 
-void
-AudioRegionGainLine::view_to_model_y (double& y)
-{
-       y = slider_position_to_gain (y);
-       y = max (0.0, y);
-       y = min (2.0, y);
-}
-
-void
-AudioRegionGainLine::model_to_view_y (double& y)
-{
-       y = gain_to_slider_position (y);
+       group->raise_to_top ();
+       set_uses_gain_mapping (true);
+       terminal_points_can_slide = false;
 }
 
 void
-AudioRegionGainLine::start_drag (ControlPoint* cp, float fraction) 
+AudioRegionGainLine::start_drag (ControlPoint* cp, nframes_t x, float fraction) 
 {
-       AutomationLine::start_drag(cp,fraction);
-       if (!rv.region.envelope_active()) {
-               trackview.session().add_undo( bind( slot(rv.region, &AudioRegion::set_envelope_active), false) );
-       }
+       AutomationLine::start_drag (cp, x, fraction);
+       if (!rv.audio_region()->envelope_active()) {
+               trackview->session().add_command(new MementoCommand<AudioRegion>(*(rv.audio_region().get()), &rv.audio_region()->get_state(), 0));
+               rv.audio_region()->set_envelope_active(false);
+       } 
 }
 
 // This is an extended copy from AutomationList
@@ -61,36 +67,31 @@ AudioRegionGainLine::remove_point (ControlPoint& cp)
 
        model_representation (cp, mr);
 
-       trackview.editor.current_session()->begin_reversible_command (_("remove control point"));
-       trackview.editor.current_session()->add_undo (get_memento());
-
-       if (!rv.region.envelope_active()) {
-               trackview.session().add_undo( bind( slot(rv.region, &AudioRegion::set_envelope_active), false) );
-               trackview.session().add_redo( bind( slot(rv.region, &AudioRegion::set_envelope_active), true) );
-               rv.region.set_envelope_active(true);
-       }
-
-       alist.erase (mr.start, mr.end);
-
-       trackview.editor.current_session()->add_redo_no_execute (get_memento());
-       trackview.editor.current_session()->commit_reversible_command ();
-       trackview.editor.current_session()->set_dirty ();
+       trackview->editor().current_session()->begin_reversible_command (_("remove control point"));
+       XMLNode &before = alist->get_state();
+
+       if (!rv.audio_region()->envelope_active()) {
+               XMLNode &region_before = rv.audio_region()->get_state();
+               rv.audio_region()->set_envelope_active(true);
+               XMLNode &region_after = rv.audio_region()->get_state();
+               trackview->session().add_command(new MementoCommand<AudioRegion>(*(rv.audio_region().get()), &region_before, &region_after));
+       } 
+       
+       alist->erase (mr.start, mr.end);
+
+       trackview->editor().current_session()->add_command (new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
+       trackview->editor().current_session()->commit_reversible_command ();
+       trackview->editor().current_session()->set_dirty ();
 }
 
 void
 AudioRegionGainLine::end_drag (ControlPoint* cp) 
 {
-       if (!rv.region.envelope_active()) {
-               trackview.session().add_redo( bind( slot(rv.region, &AudioRegion::set_envelope_active), true) );
-               rv.region.set_envelope_active(true);
-       }
+       if (!rv.audio_region()->envelope_active()) {
+               rv.audio_region()->set_envelope_active(true);
+               trackview->session().add_command(new MementoCommand<AudioRegion>(*(rv.audio_region().get()), 0, &rv.audio_region()->get_state()));
+       } 
+
        AutomationLine::end_drag(cp);
 }
 
-
-// This is a copy from AutomationList
-UndoAction
-AudioRegionGainLine::get_memento ()
-{
-       return alist.get_memento();
-}