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livetrax/gtk2_ardour/io_selector.cc

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/*
Copyright (C) 2002-2007 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 <stdint.h>
#include <glibmm/objectbase.h>
#include <gtkmm2ext/doi.h>
#include "ardour/audioengine.h"
#include "ardour/bundle.h"
#include "ardour/data_type.h"
#include "ardour/io.h"
#include "ardour/port.h"
#include "ardour/session.h"
#include "io_selector.h"
#include "utils.h"
#include "gui_thread.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace Gtk;
IOSelector::IOSelector (Gtk::Window* p, ARDOUR::Session* session, boost::shared_ptr<ARDOUR::IO> io)
: PortMatrix (p, session, DataType::NIL)
, _io (io)
{
setup_type ();
/* signal flow from 0 to 1 */
_find_inputs_for_io_outputs = (_io->direction() == IO::Output);
if (_find_inputs_for_io_outputs) {
_other = 1;
_ours = 0;
} else {
_other = 0;
_ours = 1;
}
_port_group.reset (new PortGroup (io->name()));
_ports[_ours].add_group (_port_group);
io->changed.connect (_io_connection, invalidator (*this), boost::bind (&IOSelector::io_changed_proxy, this), gui_context ());
setup_all_ports ();
init ();
}
void
IOSelector::setup_type ()
{
/* set type according to what's in the IO */
int N = 0;
DataType type_with_ports = DataType::NIL;
for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
if (_io->ports().num_ports (*i)) {
type_with_ports = *i;
++N;
}
}
if (N <= 1) {
set_type (type_with_ports);
} else {
set_type (DataType::NIL);
}
}
void
IOSelector::io_changed_proxy ()
{
/* The IO's changed signal is emitted from code that holds its route's processor lock,
so we can't call setup_all_ports (which results in a call to Route::foreach_processor)
without a deadlock unless we break things up with this idle handler.
*/
Glib::signal_idle().connect_once (sigc::mem_fun (*this, &IOSelector::io_changed));
}
void
IOSelector::io_changed ()
{
setup_type ();
setup_all_ports ();
}
void
IOSelector::setup_ports (int dim)
{
if (!_session) {
return;
}
_ports[dim].suspend_signals ();
if (dim == _other) {
_ports[_other].gather (_session, type(), _find_inputs_for_io_outputs, false, show_only_bundles ());
} else {
_port_group->clear ();
_port_group->add_bundle (_io->bundle (), _io);
}
_ports[dim].resume_signals ();
}
void
IOSelector::set_state (ARDOUR::BundleChannel c[2], bool s)
{
ARDOUR::Bundle::PortList const & our_ports = c[_ours].bundle->channel_ports (c[_ours].channel);
ARDOUR::Bundle::PortList const & other_ports = c[_other].bundle->channel_ports (c[_other].channel);
for (ARDOUR::Bundle::PortList::const_iterator i = our_ports.begin(); i != our_ports.end(); ++i) {
for (ARDOUR::Bundle::PortList::const_iterator j = other_ports.begin(); j != other_ports.end(); ++j) {
boost::shared_ptr<Port> f = _session->engine().get_port_by_name (*i);
if (!f) {
return;
}
if (s) {
if (!f->connected_to (*j)) {
_io->connect (f, *j, 0);
}
} else {
if (f->connected_to (*j)) {
_io->disconnect (f, *j, 0);
}
}
}
}
}
PortMatrixNode::State
IOSelector::get_state (ARDOUR::BundleChannel c[2]) const
{
if (c[0].bundle->nchannels() == ChanCount::ZERO || c[1].bundle->nchannels() == ChanCount::ZERO) {
return PortMatrixNode::NOT_ASSOCIATED;
}
ARDOUR::Bundle::PortList const & our_ports = c[_ours].bundle->channel_ports (c[_ours].channel);
ARDOUR::Bundle::PortList const & other_ports = c[_other].bundle->channel_ports (c[_other].channel);
if (!_session || our_ports.empty() || other_ports.empty()) {
/* we're looking at a bundle with no parts associated with this channel,
so nothing to connect */
return PortMatrixNode::NOT_ASSOCIATED;
}
for (ARDOUR::Bundle::PortList::const_iterator i = our_ports.begin(); i != our_ports.end(); ++i) {
for (ARDOUR::Bundle::PortList::const_iterator j = other_ports.begin(); j != other_ports.end(); ++j) {
boost::shared_ptr<Port> f = _session->engine().get_port_by_name (*i);
/* since we are talking about an IO, our ports should all have an associated Port *,
so the above call should never fail */
assert (f);
if (!f->connected_to (*j)) {
/* if any one thing is not connected, all bets are off */
return PortMatrixNode::NOT_ASSOCIATED;
}
}
}
return PortMatrixNode::ASSOCIATED;
}
uint32_t
IOSelector::n_io_ports () const
{
if (!_find_inputs_for_io_outputs) {
return _io->n_ports().get (_io->default_type());
} else {
return _io->n_ports().get (_io->default_type());
}
}
bool
IOSelector::list_is_global (int dim) const
{
return (dim == _other);
}
std::string
IOSelector::disassociation_verb () const
{
return _("Disconnect");
}
std::string
IOSelector::channel_noun () const
{
return _("port");
}
IOSelectorWindow::IOSelectorWindow (ARDOUR::Session* session, boost::shared_ptr<ARDOUR::IO> io, bool /*can_cancel*/)
: ArdourWindow (_("I/O selector"))
, _selector (this, session, io)
{
set_name ("IOSelectorWindow2");
add (_selector);
io_name_changed (this);
show_all ();
signal_delete_event().connect (sigc::mem_fun (*this, &IOSelectorWindow::wm_delete));
}
bool
IOSelectorWindow::wm_delete (GdkEventAny* /*event*/)
{
_selector.Finished (IOSelector::Accepted);
hide ();
return true;
}
void
IOSelectorWindow::on_map ()
{
_selector.setup_all_ports ();
Window::on_map ();
}
void
IOSelectorWindow::on_show ()
{
Gtk::Window::on_show ();
std::pair<uint32_t, uint32_t> const pm_max = _selector.max_size ();
resize_window_to_proportion_of_monitor (this, pm_max.first, pm_max.second);
}
void
IOSelectorWindow::io_name_changed (void*)
{
ENSURE_GUI_THREAD (*this, &IOSelectorWindow::io_name_changed, src)
std::string title;
if (!_selector.find_inputs_for_io_outputs()) {
title = string_compose(_("%1 input"), _selector.io()->name());
} else {
title = string_compose(_("%1 output"), _selector.io()->name());
}
set_title (title);
}