Stop bundles disappearing from the port matrix when they
[ardour.git] / gtk2_ardour / global_port_matrix.cc
1 /*
2     Copyright (C) 2009 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/image.h>
21 #include <gtkmm/stock.h>
22 #include "global_port_matrix.h"
23 #include "utils.h"
24
25 #include "ardour/bundle.h"
26 #include "ardour/session.h"
27 #include "ardour/audioengine.h"
28 #include "ardour/port.h"
29
30 #include "i18n.h"
31
32 using namespace std;
33 using namespace ARDOUR;
34
35 GlobalPortMatrix::GlobalPortMatrix (Gtk::Window* p, Session* s, DataType t)
36         : PortMatrix (p, s, t)
37 {
38         setup_all_ports ();
39         init ();
40 }
41
42 void
43 GlobalPortMatrix::setup_ports (int dim)
44 {
45         _ports[dim].suspend_signals ();
46         _ports[dim].gather (_session, type(), dim == IN, false);
47         _ports[dim].resume_signals ();
48 }
49
50 void
51 GlobalPortMatrix::set_state (BundleChannel c[2], bool s)
52 {
53         Bundle::PortList const & in_ports = c[IN].bundle->channel_ports (c[IN].channel);
54         Bundle::PortList const & out_ports = c[OUT].bundle->channel_ports (c[OUT].channel);
55
56         for (Bundle::PortList::const_iterator i = in_ports.begin(); i != in_ports.end(); ++i) {
57                 for (Bundle::PortList::const_iterator j = out_ports.begin(); j != out_ports.end(); ++j) {
58
59                         Port* p = _session->engine().get_port_by_name (*i);
60                         Port* q = _session->engine().get_port_by_name (*j);
61
62                         if (p) {
63                                 if (s) {
64                                         p->connect (*j);
65                                 } else {
66                                         p->disconnect (*j);
67                                 }
68                         } else if (q) {
69                                 if (s) {
70                                         q->connect (*i);
71                                 } else {
72                                         q->disconnect (*i);
73                                 }
74                         } else {
75                                 /* two non-Ardour ports */
76                                 if (s) {
77                                         jack_connect (_session->engine().jack (), j->c_str(), i->c_str());
78                                 } else {
79                                         jack_disconnect (_session->engine().jack (), j->c_str(), i->c_str());
80                                 }
81                         }
82                 }
83         }
84 }
85
86 PortMatrixNode::State
87 GlobalPortMatrix::get_state (BundleChannel c[2]) const
88 {
89         if (_session == 0) {
90                 return PortMatrixNode::NOT_ASSOCIATED;
91         }
92
93         if (c[0].bundle->nchannels() == ChanCount::ZERO || c[1].bundle->nchannels() == ChanCount::ZERO) {
94                 return PortMatrixNode::NOT_ASSOCIATED;
95         }
96
97         Bundle::PortList const & in_ports = c[IN].bundle->channel_ports (c[IN].channel);
98         Bundle::PortList const & out_ports = c[OUT].bundle->channel_ports (c[OUT].channel);
99         if (in_ports.empty() || out_ports.empty()) {
100                 /* we're looking at a bundle with no parts associated with this channel,
101                    so nothing to connect */
102                 return PortMatrixNode::NOT_ASSOCIATED;
103         }
104
105         for (Bundle::PortList::const_iterator i = in_ports.begin(); i != in_ports.end(); ++i) {
106                 for (Bundle::PortList::const_iterator j = out_ports.begin(); j != out_ports.end(); ++j) {
107
108                         Port* p = _session->engine().get_port_by_name (*i);
109                         Port* q = _session->engine().get_port_by_name (*j);
110
111                         if (!p && !q) {
112                                 /* two non-Ardour ports; things are slightly more involved */
113                                 /* XXX: is this the easiest way to do this? */
114                                 /* XXX: isn't this very inefficient? */
115
116                                 jack_client_t* jack = _session->engine().jack ();
117                                 jack_port_t* jp = jack_port_by_name (jack, i->c_str());
118                                 if (jp == 0) {
119                                         return PortMatrixNode::NOT_ASSOCIATED;
120                                 }
121
122                                 char const ** c = jack_port_get_all_connections (jack, jp);
123
124                                 char const ** p = c;
125
126                                 while (p && *p != 0) {
127                                         if (strcmp (*p, j->c_str()) == 0) {
128                                                 free (c);
129                                                 return PortMatrixNode::ASSOCIATED;
130                                         }
131                                         ++p;
132                                 }
133
134                                 free (c);
135                                 return PortMatrixNode::NOT_ASSOCIATED;
136                         }
137
138                         if (p && p->connected_to (*j) == false) {
139                                 return PortMatrixNode::NOT_ASSOCIATED;
140                         } else if (q && q->connected_to (*i) == false) {
141                                 return PortMatrixNode::NOT_ASSOCIATED;
142                         }
143
144                 }
145         }
146
147         return PortMatrixNode::ASSOCIATED;
148 }
149
150 GlobalPortMatrixWindow::GlobalPortMatrixWindow (Session* s, DataType t)
151         : ArdourDialog (X_("reset me soon"))
152         , _port_matrix (this, s, t)
153 {
154         switch (t) {
155         case DataType::AUDIO:
156                 set_title (_("Audio Connection Manager"));
157                 break;
158         case DataType::MIDI:
159                 set_title (_("MIDI Connection Manager"));
160                 break;
161         }
162
163         get_vbox()->pack_start (_port_matrix, true, true);
164         _port_matrix.show ();
165 }
166
167 void
168 GlobalPortMatrixWindow::on_show ()
169 {
170         Gtk::Window::on_show ();
171         pair<uint32_t, uint32_t> const pm_max = _port_matrix.max_size ();
172         resize_window_to_proportion_of_monitor (this, pm_max.first, pm_max.second);
173 }
174
175 void
176 GlobalPortMatrixWindow::set_session (Session* s)
177 {
178         _port_matrix.set_session (s);
179 }
180
181 string
182 GlobalPortMatrix::disassociation_verb () const
183 {
184         return _("Disconnect");
185 }
186
187 string
188 GlobalPortMatrix::channel_noun () const
189 {
190         return _("port");
191 }
192