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 */
23 #include <pbd/failed_constructor.h>
24 #include <pbd/xml++.h>
25 #include <pbd/filesystem.h>
26 #include <pbd/file_utils.h>
28 #include <ardour/configuration.h>
29 #include <ardour/audio_diskstream.h>
30 #include <ardour/control_protocol_manager.h>
31 #include <ardour/filesystem_paths.h>
35 using namespace ARDOUR;
39 /* this is global so that we do not have to indirect through an object pointer
44 float speed_quietning = 0.251189; // -12dB reduction for ffwd or rewind
47 Configuration::Configuration ()
49 /* construct variables */
50 #undef CONFIG_VARIABLE
51 #undef CONFIG_VARIABLE_SPECIAL
52 #define CONFIG_VARIABLE(Type,var,name,value) var (name,value),
53 #define CONFIG_VARIABLE_SPECIAL(Type,var,name,value,mutator) var (name,value,mutator),
54 #include "ardour/configuration_vars.h"
55 #undef CONFIG_VARIABLE
56 #undef CONFIG_VARIABLE_SPECIAL
59 current_owner (ConfigVariableBase::Default)
61 _control_protocol_state = 0;
64 Configuration::~Configuration ()
69 Configuration::set_current_owner (ConfigVariableBase::Owner owner)
71 current_owner = owner;
75 Configuration::load_state ()
79 sys::path system_rc_file;
81 /* load system configuration first */
83 if ( find_file_in_search_path (ardour_search_path() + system_config_search_path(),
84 "ardour_system.rc", system_rc_file) )
89 string rcfile = system_rc_file.to_string();
91 cerr << string_compose (_("loading system configuration file %1"), rcfile) << endl;
93 if (!tree.read (rcfile.c_str())) {
94 error << string_compose(_("Ardour: cannot read system configuration file \"%1\""), rcfile) << endmsg;
98 current_owner = ConfigVariableBase::System;
100 if (set_state (*tree.root())) {
101 error << string_compose(_("Ardour: system configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
106 /* now load configuration file for user */
108 sys::path user_rc_file;
110 if (find_file_in_search_path (ardour_search_path() + user_config_directory(),
111 "ardour.rc", user_rc_file))
116 string rcfile = user_rc_file.to_string();
118 cerr << string_compose (_("loading user configuration file %1"), rcfile) << endl;
120 if (!tree.read (rcfile)) {
121 error << string_compose(_("Ardour: cannot read configuration file \"%1\""), rcfile) << endmsg;
125 current_owner = ConfigVariableBase::Config;
127 if (set_state (*tree.root())) {
128 error << string_compose(_("Ardour: user configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
134 error << "Ardour: could not find configuration file (ardour.rc), canvas will look broken." << endmsg;
140 Configuration::save_state()
146 sys::create_directories (user_config_directory ());
148 catch (const sys::filesystem_error& ex)
150 error << "Could not create user configuration directory" << endmsg;
154 sys::path rcfile_path(user_config_directory());
156 rcfile_path /= "ardour.rc";
157 const string rcfile = rcfile_path.to_string();
159 // this test seems bogus?
160 if (rcfile.length()) {
161 tree.set_root (&get_state());
162 if (!tree.write (rcfile.c_str())){
163 error << string_compose (_("Config file %1 not saved"), rcfile) << endmsg;
172 Configuration::add_instant_xml(XMLNode& node)
174 Stateful::add_instant_xml (node, user_config_directory ());
178 Configuration::instant_xml(const string& node_name)
180 return Stateful::instant_xml (node_name, user_config_directory ());
185 Configuration::save_config_options_predicate (ConfigVariableBase::Owner owner)
187 /* only save things that were in the config file to start with */
188 return owner & ConfigVariableBase::Config;
192 Configuration::get_state ()
195 LocaleGuard lg (X_("POSIX"));
197 root = new XMLNode("Ardour");
198 typedef map<string, MidiPortDescriptor*>::const_iterator CI;
199 for(CI m = midi_ports.begin(); m != midi_ports.end(); ++m){
200 root->add_child_nocopy(m->second->get_state());
203 root->add_child_nocopy (get_variables (sigc::mem_fun (*this, &Configuration::save_config_options_predicate), "Config"));
206 root->add_child_copy (*_extra_xml);
209 root->add_child_nocopy (ControlProtocolManager::instance().get_state());
215 Configuration::get_variables (sigc::slot<bool,ConfigVariableBase::Owner> predicate, std::string which_node)
218 LocaleGuard lg (X_("POSIX"));
220 node = new XMLNode(which_node);
222 #undef CONFIG_VARIABLE
223 #undef CONFIG_VARIABLE_SPECIAL
224 #define CONFIG_VARIABLE(type,var,Name,value) \
225 if (node->name() == "Config") { if (predicate (var.owner())) { var.add_to_node (*node); }}
226 #define CONFIG_VARIABLE_SPECIAL(type,var,Name,value,mutator) \
227 if (node->name() == "Config") { if (predicate (var.owner())) { var.add_to_node (*node); }}
228 #include "ardour/configuration_vars.h"
229 #undef CONFIG_VARIABLE
230 #undef CONFIG_VARIABLE_SPECIAL
236 Configuration::set_state (const XMLNode& root)
238 if (root.name() != "Ardour") {
242 XMLNodeList nlist = root.children();
243 XMLNodeConstIterator niter;
246 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
250 if (node->name() == "MIDI-port") {
253 pair<string,MidiPortDescriptor*> newpair;
254 newpair.second = new MidiPortDescriptor (*node);
255 newpair.first = newpair.second->tag;
256 midi_ports.insert (newpair);
259 catch (failed_constructor& err) {
260 warning << _("ill-formed MIDI port specification in ardour rcfile (ignored)") << endmsg;
263 } else if (node->name() == "Config") {
265 set_variables (*node, ConfigVariableBase::Config);
267 } else if (node->name() == "extra") {
268 _extra_xml = new XMLNode (*node);
270 } else if (node->name() == ControlProtocolManager::state_node_name) {
271 _control_protocol_state = new XMLNode (*node);
275 Diskstream::set_disk_io_chunk_frames (minimum_disk_io_bytes.get() / sizeof (Sample));
281 Configuration::set_variables (const XMLNode& node, ConfigVariableBase::Owner owner)
283 #undef CONFIG_VARIABLE
284 #undef CONFIG_VARIABLE_SPECIAL
285 #define CONFIG_VARIABLE(type,var,name,value) \
286 if (var.set_from_node (node, owner)) { \
287 ParameterChanged (name); \
289 #define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) \
290 if (var.set_from_node (node, owner)) { \
291 ParameterChanged (name); \
294 #include "ardour/configuration_vars.h"
295 #undef CONFIG_VARIABLE
296 #undef CONFIG_VARIABLE_SPECIAL
300 Configuration::MidiPortDescriptor::MidiPortDescriptor (const XMLNode& node)
302 const XMLProperty *prop;
303 bool have_tag = false;
304 bool have_device = false;
305 bool have_type = false;
306 bool have_mode = false;
308 if ((prop = node.property ("tag")) != 0) {
313 if ((prop = node.property ("device")) != 0) {
314 device = prop->value();
318 if ((prop = node.property ("type")) != 0) {
319 type = prop->value();
323 if ((prop = node.property ("mode")) != 0) {
324 mode = prop->value();
328 if (!have_tag || !have_device || !have_type || !have_mode) {
329 throw failed_constructor();
334 Configuration::MidiPortDescriptor::get_state()
336 XMLNode* root = new XMLNode("MIDI-port");
338 root->add_property("tag", tag);
339 root->add_property("device", device);
340 root->add_property("type", type);
341 root->add_property("mode", mode);
347 Configuration::map_parameters (sigc::slot<void,const char*> theSlot)
349 #undef CONFIG_VARIABLE
350 #undef CONFIG_VARIABLE_SPECIAL
351 #define CONFIG_VARIABLE(type,var,name,value) theSlot (name);
352 #define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) theSlot (name);
353 #include "ardour/configuration_vars.h"
354 #undef CONFIG_VARIABLE
355 #undef CONFIG_VARIABLE_SPECIAL
358 bool ConfigVariableBase::show_stores = false;
361 ConfigVariableBase::set_show_stored_values (bool yn)
367 ConfigVariableBase::show_stored_value (const string& str)
370 cerr << "Config variable " << _name << " stored as " << str << endl;
375 ConfigVariableBase::notify ()
377 // placeholder for any debugging desired when a config variable is modified
381 ConfigVariableBase::miss ()
383 // placeholder for any debugging desired when a config variable
384 // is set but to the same value as it already has