gtk2_ardour/io_selector.cc

   1 /*
   2     Copyright (C) 2002-2007 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <gtkmm/messagedialog.h>
  21 #include <glibmm/objectbase.h>
  22
  23 #include <gtkmm2ext/doi.h>
  24
  25 #include "ardour/port_insert.h"
  26 #include "ardour/session.h"
  27 #include "ardour/io.h"
  28 #include "ardour/audioengine.h"
  29 #include "ardour/track.h"
  30 #include "ardour/audio_track.h"
  31 #include "ardour/midi_track.h"
  32 #include "ardour/mtdm.h"
  33 #include "ardour/data_type.h"
  34 #include "ardour/port.h"
  35 #include "ardour/bundle.h"
  36
  37 #include "io_selector.h"
  38 #include "utils.h"
  39 #include "gui_thread.h"
  40 #include "i18n.h"
  41
  42 using namespace ARDOUR;
  43 using namespace Gtk;
  44
  45 IOSelector::IOSelector (Gtk::Window* p, ARDOUR::Session* session, boost::shared_ptr<ARDOUR::IO> io)
  46         : PortMatrix (p, session, DataType::NIL)
  47         , _io (io)
  48 {
  49         setup_type ();
  50
  51         /* signal flow from 0 to 1 */
  52
  53         _find_inputs_for_io_outputs = (_io->direction() == IO::Output);
  54
  55         if (_find_inputs_for_io_outputs) {
  56                 _other = 1;
  57                 _ours = 0;
  58         } else {
  59                 _other = 0;
  60                 _ours = 1;
  61         }
  62
  63         _port_group.reset (new PortGroup (io->name()));
  64         _ports[_ours].add_group (_port_group);
  65
  66         io->changed.connect (_io_connection, invalidator (*this), boost::bind (&IOSelector::io_changed_proxy, this), gui_context ());
  67
  68         setup_all_ports ();
  69         init ();
  70 }
  71
  72 void
  73 IOSelector::setup_type ()
  74 {
  75         /* set type according to what's in the IO */
  76
  77         int N = 0;
  78         DataType type_with_ports = DataType::NIL;
  79         for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
  80                 if (_io->ports().num_ports (*i)) {
  81                         type_with_ports = *i;
  82                         ++N;
  83                 }
  84         }
  85
  86         if (N <= 1) {
  87                 set_type (type_with_ports);
  88         } else {
  89                 set_type (DataType::NIL);
  90         }
  91 }
  92
  93 void
  94 IOSelector::io_changed_proxy ()
  95 {
  96         /* The IO's changed signal is emitted from code that holds its route's processor lock,
  97            so we can't call setup_all_ports (which results in a call to Route::foreach_processor)
  98            without a deadlock unless we break things up with this idle handler.
  99         */
 100
 101         Glib::signal_idle().connect_once (sigc::mem_fun (*this, &IOSelector::io_changed));
 102 }
 103
 104 void
 105 IOSelector::io_changed ()
 106 {
 107         setup_type ();
 108         setup_all_ports ();
 109 }
 110
 111 void
 112 IOSelector::setup_ports (int dim)
 113 {
 114         if (!_session) {
 115                 return;
 116         }
 117
 118         _ports[dim].suspend_signals ();
 119
 120         if (dim == _other) {
 121
 122                 _ports[_other].gather (_session, type(), _find_inputs_for_io_outputs, false);
 123
 124         } else {
 125
 126                 _port_group->clear ();
 127                 _port_group->add_bundle (_io->bundle (), _io);
 128         }
 129
 130         _ports[dim].resume_signals ();
 131 }
 132
 133 void
 134 IOSelector::set_state (ARDOUR::BundleChannel c[2], bool s)
 135 {
 136         ARDOUR::Bundle::PortList const & our_ports = c[_ours].bundle->channel_ports (c[_ours].channel);
 137         ARDOUR::Bundle::PortList const & other_ports = c[_other].bundle->channel_ports (c[_other].channel);
 138
 139         for (ARDOUR::Bundle::PortList::const_iterator i = our_ports.begin(); i != our_ports.end(); ++i) {
 140                 for (ARDOUR::Bundle::PortList::const_iterator j = other_ports.begin(); j != other_ports.end(); ++j) {
 141
 142                         Port* f = _session->engine().get_port_by_name (*i);
 143                         if (!f) {
 144                                 return;
 145                         }
 146
 147                         if (s) {
 148                                 _io->connect (f, *j, 0);
 149                         } else {
 150                                 _io->disconnect (f, *j, 0);
 151                         }
 152                 }
 153         }
 154 }
 155
 156 PortMatrixNode::State
 157 IOSelector::get_state (ARDOUR::BundleChannel c[2]) const
 158 {
 159         ARDOUR::Bundle::PortList const & our_ports = c[_ours].bundle->channel_ports (c[_ours].channel);
 160         ARDOUR::Bundle::PortList const & other_ports = c[_other].bundle->channel_ports (c[_other].channel);
 161
 162         if (!_session || our_ports.empty() || other_ports.empty()) {
 163                 /* we're looking at a bundle with no parts associated with this channel,
 164                    so nothing to connect */
 165                 return PortMatrixNode::NOT_ASSOCIATED;
 166         }
 167
 168         for (ARDOUR::Bundle::PortList::const_iterator i = our_ports.begin(); i != our_ports.end(); ++i) {
 169                 for (ARDOUR::Bundle::PortList::const_iterator j = other_ports.begin(); j != other_ports.end(); ++j) {
 170
 171                         Port* f = _session->engine().get_port_by_name (*i);
 172
 173                         /* since we are talking about an IO, our ports should all have an associated Port *,
 174                            so the above call should never fail */
 175                         assert (f);
 176
 177                         if (!f->connected_to (*j)) {
 178                                 /* if any one thing is not connected, all bets are off */
 179                                 return PortMatrixNode::NOT_ASSOCIATED;
 180                         }
 181                 }
 182         }
 183
 184         return PortMatrixNode::ASSOCIATED;
 185 }
 186
 187 uint32_t
 188 IOSelector::n_io_ports () const
 189 {
 190         if (!_find_inputs_for_io_outputs) {
 191                 return _io->n_ports().get (_io->default_type());
 192         } else {
 193                 return _io->n_ports().get (_io->default_type());
 194         }
 195 }
 196
 197 bool
 198 IOSelector::list_is_global (int dim) const
 199 {
 200         return (dim == _other);
 201 }
 202
 203 string
 204 IOSelector::disassociation_verb () const
 205 {
 206         return _("Disconnect");
 207 }
 208
 209 string
 210 IOSelector::channel_noun () const
 211 {
 212         return _("port");
 213 }
 214
 215 IOSelectorWindow::IOSelectorWindow (ARDOUR::Session* session, boost::shared_ptr<ARDOUR::IO> io, bool /*can_cancel*/)
 216         : ArdourDialog (_("I/O selector"))
 217         , _selector (this, session, io)
 218 {
 219         set_name ("IOSelectorWindow2");
 220
 221         get_vbox()->pack_start (_selector);
 222
 223         set_position (Gtk::WIN_POS_MOUSE);
 224
 225         io_name_changed (this);
 226
 227         show_all ();
 228
 229         signal_delete_event().connect (sigc::mem_fun (*this, &IOSelectorWindow::wm_delete));
 230 }
 231
 232 bool
 233 IOSelectorWindow::wm_delete (GdkEventAny* /*event*/)
 234 {
 235         _selector.Finished (IOSelector::Accepted);
 236         hide ();
 237         return true;
 238 }
 239
 240
 241 void
 242 IOSelectorWindow::on_map ()
 243 {
 244         _selector.setup_all_ports ();
 245         Window::on_map ();
 246 }
 247
 248 void
 249 IOSelectorWindow::on_show ()
 250 {
 251         Gtk::Window::on_show ();
 252         pair<uint32_t, uint32_t> const pm_max = _selector.max_size ();
 253         resize_window_to_proportion_of_monitor (this, pm_max.first, pm_max.second);
 254 }
 255
 256 void
 257 IOSelectorWindow::io_name_changed (void*)
 258 {
 259         ENSURE_GUI_THREAD (*this, &IOSelectorWindow::io_name_changed, src)
 260
 261         string title;
 262
 263         if (!_selector.find_inputs_for_io_outputs()) {
 264                 title = string_compose(_("%1 input"), _selector.io()->name());
 265         } else {
 266                 title = string_compose(_("%1 output"), _selector.io()->name());
 267         }
 268
 269         set_title (title);
 270 }
 271