2 Copyright (C) 1999-2006 Paul Davis
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.
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.
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.
21 #include <cstdio> /* for snprintf, grrr */
24 #include <glib/gstdio.h> /* for g_stat() */
26 #include <pbd/failed_constructor.h>
27 #include <pbd/xml++.h>
28 #include <pbd/filesystem.h>
29 #include <pbd/file_utils.h>
31 #include <midi++/manager.h>
33 #include <ardour/ardour.h>
34 #include <ardour/configuration.h>
35 #include <ardour/audio_diskstream.h>
36 #include <ardour/control_protocol_manager.h>
37 #include <ardour/filesystem_paths.h>
41 using namespace ARDOUR;
45 /* this is global so that we do not have to indirect through an object pointer
50 float speed_quietning = 0.251189; // -12dB reduction for ffwd or rewind
53 Configuration::Configuration ()
55 /* construct variables */
56 #undef CONFIG_VARIABLE
57 #undef CONFIG_VARIABLE_SPECIAL
58 #define CONFIG_VARIABLE(Type,var,name,value) var (name,value),
59 #define CONFIG_VARIABLE_SPECIAL(Type,var,name,value,mutator) var (name,value,mutator),
60 #include "ardour/configuration_vars.h"
61 #undef CONFIG_VARIABLE
62 #undef CONFIG_VARIABLE_SPECIAL
65 current_owner (ConfigVariableBase::Default)
67 _control_protocol_state = 0;
70 Configuration::~Configuration ()
75 Configuration::set_current_owner (ConfigVariableBase::Owner owner)
77 current_owner = owner;
81 Configuration::load_state ()
85 sys::path system_rc_file;
88 /* load system configuration first */
90 if ( find_file_in_search_path (ardour_search_path() + system_config_search_path(),
91 "ardour_system.rc", system_rc_file) )
96 string rcfile = system_rc_file.to_string();
98 /* stupid XML Parser hates empty files */
100 if (g_stat (rcfile.c_str(), &statbuf)) {
104 if (statbuf.st_size != 0) {
105 cerr << string_compose (_("loading system configuration file %1"), rcfile) << endl;
107 if (!tree.read (rcfile.c_str())) {
108 error << string_compose(_("Ardour: cannot read system configuration file \"%1\""), rcfile) << endmsg;
112 current_owner = ConfigVariableBase::System;
114 if (set_state (*tree.root())) {
115 error << string_compose(_("Ardour: system configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
119 error << _("your system Ardour configuration file is empty. This probably means that there as an error installing Ardour") << endmsg;
123 /* now load configuration file for user */
125 sys::path user_rc_file;
127 if (find_file_in_search_path (ardour_search_path() + user_config_directory(),
128 "ardour.rc", user_rc_file))
132 string rcfile = user_rc_file.to_string();
134 /* stupid XML parser hates empty files */
136 if (g_stat (rcfile.c_str(), &statbuf)) {
140 if (statbuf.st_size != 0) {
141 cerr << string_compose (_("loading user configuration file %1"), rcfile) << endl;
143 if (!tree.read (rcfile)) {
144 error << string_compose(_("Ardour: cannot read configuration file \"%1\""), rcfile) << endmsg;
148 current_owner = ConfigVariableBase::Config;
150 if (set_state (*tree.root())) {
151 error << string_compose(_("Ardour: user configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
155 warning << _("your Ardour configuration file is empty. This is not normal.") << endmsg;
160 error << "Ardour: could not find configuration file (ardour.rc), canvas will look broken." << endmsg;
166 Configuration::save_state()
172 sys::create_directories (user_config_directory ());
174 catch (const sys::filesystem_error& ex)
176 error << "Could not create user configuration directory" << endmsg;
180 sys::path rcfile_path(user_config_directory());
182 rcfile_path /= "ardour.rc";
183 const string rcfile = rcfile_path.to_string();
185 // this test seems bogus?
186 if (rcfile.length()) {
187 tree.set_root (&get_state());
188 if (!tree.write (rcfile.c_str())){
189 error << string_compose (_("Config file %1 not saved"), rcfile) << endmsg;
198 Configuration::add_instant_xml(XMLNode& node)
200 Stateful::add_instant_xml (node, user_config_directory ());
204 Configuration::instant_xml(const string& node_name)
206 return Stateful::instant_xml (node_name, user_config_directory ());
211 Configuration::save_config_options_predicate (ConfigVariableBase::Owner owner)
213 /* only save things that were in the config file to start with */
214 return owner & ConfigVariableBase::Config;
218 Configuration::get_state ()
221 LocaleGuard lg (X_("POSIX"));
223 root = new XMLNode("Ardour");
225 MIDI::Manager::PortMap::const_iterator i;
226 const MIDI::Manager::PortMap& ports = MIDI::Manager::instance()->get_midi_ports();
228 for (i = ports.begin(); i != ports.end(); ++i) {
229 root->add_child_nocopy(i->second->get_state());
232 root->add_child_nocopy (get_variables (sigc::mem_fun (*this, &Configuration::save_config_options_predicate), "Config"));
235 root->add_child_copy (*_extra_xml);
238 root->add_child_nocopy (ControlProtocolManager::instance().get_state());
244 Configuration::get_variables (sigc::slot<bool,ConfigVariableBase::Owner> predicate, std::string which_node)
247 LocaleGuard lg (X_("POSIX"));
249 node = new XMLNode(which_node);
251 #undef CONFIG_VARIABLE
252 #undef CONFIG_VARIABLE_SPECIAL
253 #define CONFIG_VARIABLE(type,var,Name,value) \
254 if (node->name() == "Config") { if (predicate (var.owner())) { var.add_to_node (*node); }}
255 #define CONFIG_VARIABLE_SPECIAL(type,var,Name,value,mutator) \
256 if (node->name() == "Config") { if (predicate (var.owner())) { var.add_to_node (*node); }}
257 #include "ardour/configuration_vars.h"
258 #undef CONFIG_VARIABLE
259 #undef CONFIG_VARIABLE_SPECIAL
265 Configuration::set_state (const XMLNode& root)
267 if (root.name() != "Ardour") {
271 XMLNodeList nlist = root.children();
272 XMLNodeConstIterator niter;
275 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
279 if (node->name() == "MIDI-port") {
283 MIDI::Port::Descriptor desc (*node);
284 map<string,XMLNode>::iterator x;
285 if ((x = midi_ports.find (desc.tag)) != midi_ports.end()) {
286 midi_ports.erase (x);
288 midi_ports.insert (pair<string,XMLNode>(desc.tag,*node));
291 catch (failed_constructor& err) {
292 warning << _("ill-formed MIDI port specification in ardour rcfile (ignored)") << endmsg;
295 } else if (node->name() == "Config") {
297 set_variables (*node, ConfigVariableBase::Config);
299 } else if (node->name() == "extra") {
300 _extra_xml = new XMLNode (*node);
302 } else if (node->name() == ControlProtocolManager::state_node_name) {
303 _control_protocol_state = new XMLNode (*node);
307 Diskstream::set_disk_io_chunk_frames (minimum_disk_io_bytes.get() / sizeof (Sample));
313 Configuration::set_variables (const XMLNode& node, ConfigVariableBase::Owner owner)
315 #undef CONFIG_VARIABLE
316 #undef CONFIG_VARIABLE_SPECIAL
317 #define CONFIG_VARIABLE(type,var,name,value) \
318 if (var.set_from_node (node, owner)) { \
319 ParameterChanged (name); \
321 #define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) \
322 if (var.set_from_node (node, owner)) { \
323 ParameterChanged (name); \
326 #include "ardour/configuration_vars.h"
327 #undef CONFIG_VARIABLE
328 #undef CONFIG_VARIABLE_SPECIAL
332 Configuration::map_parameters (sigc::slot<void,const char*> theSlot)
334 #undef CONFIG_VARIABLE
335 #undef CONFIG_VARIABLE_SPECIAL
336 #define CONFIG_VARIABLE(type,var,name,value) theSlot (name);
337 #define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) theSlot (name);
338 #include "ardour/configuration_vars.h"
339 #undef CONFIG_VARIABLE
340 #undef CONFIG_VARIABLE_SPECIAL
343 bool ConfigVariableBase::show_stores = false;
346 ConfigVariableBase::set_show_stored_values (bool yn)
352 ConfigVariableBase::show_stored_value (const string& str)
355 cerr << "Config variable " << _name << " stored as " << str << endl;
360 ConfigVariableBase::notify ()
362 // placeholder for any debugging desired when a config variable is modified
366 ConfigVariableBase::miss ()
368 // placeholder for any debugging desired when a config variable
369 // is set but to the same value as it already has