ardour/gtk2_ardour/redirect_automation_time_axis.cc
Taybin Rutkin 14d43ca9fe Switched to use libgnomecanvas (not the C++ one).
git-svn-id: svn://localhost/trunk/ardour2@30 d708f5d6-7413-0410-9779-e7cbd77b26cf
2005-09-25 22:26:56 +00:00

170 lines
3.8 KiB
C++

/*
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/redirect.h>
#include <ardour/session.h>
#include <cstdlib>
#include "redirect_automation_time_axis.h"
#include "automation_line.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace Gtk;
RedirectAutomationTimeAxisView::RedirectAutomationTimeAxisView (Session& s, Route& r, PublicEditor& e, TimeAxisView& parent, Widget* p, std::string n,
uint32_t prt, Redirect& rd, string state_name)
: AxisView (s),
AutomationTimeAxisView (s, r, e, parent, p, n, state_name, rd.name()),
redirect (rd),
port (prt)
{
char buf[32];
xml_node = 0;
_marked_for_display = false;
ensure_xml_node ();
XMLNodeList kids;
XMLNodeConstIterator iter;
kids = xml_node->children ();
snprintf (buf, sizeof(buf), "Port_%" PRIu32, port);
for (iter = kids.begin(); iter != kids.end(); ++iter) {
if ((*iter)->name() == buf) {
XMLProperty *shown = (*iter)->property("shown_editor");
if (shown && shown->value() == "yes") {
_marked_for_display = true;
}
break;
}
}
}
RedirectAutomationTimeAxisView::~RedirectAutomationTimeAxisView ()
{
}
void
RedirectAutomationTimeAxisView::add_automation_event (GnomeCanvasItem* item, GdkEvent* event, jack_nframes_t when, double y)
{
double x = 0;
gnome_canvas_item_w2i (canvas_display, &x, &y);
/* compute vertical fractional position */
if (y < 0)
y = 0;
else if (y > height)
y = height;
y = 1.0 - (y / height);
/* map to model space */
if (!lines.empty()) {
AutomationList& alist (redirect.automation_list(port));
string description = _("add automation event to ");
description += redirect.describe_parameter (port);
lines.front()->view_to_model_y (y);
_session.begin_reversible_command (description);
_session.add_undo (alist.get_memento());
alist.add (when, y);
_session.add_redo_no_execute (alist.get_memento());
_session.commit_reversible_command ();
_session.set_dirty ();
}
}
void
RedirectAutomationTimeAxisView::ensure_xml_node ()
{
if (xml_node == 0) {
if ((xml_node = redirect.extra_xml ("GUI")) == 0) {
xml_node = new XMLNode ("GUI");
redirect.add_extra_xml (*xml_node);
}
}
}
guint32
RedirectAutomationTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
{
ensure_xml_node ();
update_extra_xml_shown (true);
return TimeAxisView::show_at (y, nth, parent);
}
void
RedirectAutomationTimeAxisView::hide ()
{
ensure_xml_node ();
update_extra_xml_shown (false);
TimeAxisView::hide ();
}
void
RedirectAutomationTimeAxisView::update_extra_xml_shown (bool editor_shown)
{
char buf[32];
XMLNodeList nlist = xml_node->children ();
XMLNodeConstIterator i;
XMLNode * port_node = 0;
snprintf (buf, sizeof(buf), "Port_%" PRIu32, port);
for (i = nlist.begin(); i != nlist.end(); ++i) {
if ((*i)->name() == buf) {
port_node = (*i);
break;
}
}
if (!port_node) {
port_node = new XMLNode(buf);
xml_node->add_child_nocopy(*port_node);
}
port_node->add_property ("shown_editor", editor_shown ? "yes": "no");
}
void
RedirectAutomationTimeAxisView::set_automation_state (AutoState state)
{
if (!ignore_state_request) {
redirect.automation_list (port).set_automation_state (state);
}
}