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livetrax/gtk2_ardour/pan_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 <ardour/panner.h>
#include <gtkmm2ext/popup.h>
#include "pan_automation_time_axis.h"
#include "automation_line.h"
#include "canvas_impl.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace Gtk;
PanAutomationTimeAxisView::PanAutomationTimeAxisView (Session& s, Route& r, PublicEditor& e, TimeAxisView& parent, Canvas& canvas, std::string n)
: AxisView (s),
AutomationTimeAxisView (s, r, e, parent, canvas, n, X_("pan"), "")
{
}
PanAutomationTimeAxisView::~PanAutomationTimeAxisView ()
{
}
void
PanAutomationTimeAxisView::add_automation_event (ArdourCanvas::Item* item, GdkEvent* event, jack_nframes_t when, double y)
{
if (lines.empty()) {
/* no data, possibly caused by no outputs/inputs */
return;
}
if (lines.size() > 1) {
Gtkmm2ext::PopUp* msg = new Gtkmm2ext::PopUp (Gtk::WIN_POS_MOUSE, 5000, true);
msg->set_text (_("You can't graphically edit panning of more than stream"));
msg->touch ();
return;
}
double x = 0;
canvas_display->w2i (x, y);
/* compute vertical fractional position */
y = 1.0 - (y / height);
/* map using line */
lines.front()->view_to_model_y (y);
AutomationList& alist (lines.front()->the_list());
_session.begin_reversible_command (_("add pan automation event"));
_session.add_undo (alist.get_memento());
alist.add (when, y);
_session.add_undo (alist.get_memento());
_session.commit_reversible_command ();
_session.set_dirty ();
}
void
PanAutomationTimeAxisView::set_automation_state (AutoState state)
{
if (!ignore_state_request) {
route.panner().set_automation_state (state);
}
}