diff options
Diffstat (limited to 'libs/ardour/configuration.cc')
| -rw-r--r-- | libs/ardour/configuration.cc | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/libs/ardour/configuration.cc b/libs/ardour/configuration.cc new file mode 100644 index 0000000000..b164d418ab --- /dev/null +++ b/libs/ardour/configuration.cc @@ -0,0 +1,371 @@ +/* + Copyright (C) 1999-2006 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 <unistd.h> +#include <cstdio> /* for snprintf, grrr */ + +#include <glib.h> +#include <glib/gstdio.h> /* for g_stat() */ + +#include <pbd/failed_constructor.h> +#include <pbd/xml++.h> +#include <pbd/filesystem.h> +#include <pbd/file_utils.h> + +#include <midi++/manager.h> + +#include <ardour/ardour.h> +#include <ardour/configuration.h> +#include <ardour/audio_diskstream.h> +#include <ardour/control_protocol_manager.h> +#include <ardour/filesystem_paths.h> + +#include "i18n.h" + +using namespace ARDOUR; +using namespace std; +using namespace PBD; + +/* this is global so that we do not have to indirect through an object pointer + to reference it. +*/ + +namespace ARDOUR { + float speed_quietning = 0.251189; // -12dB reduction for ffwd or rewind +} + +Configuration::Configuration () + : +/* construct variables */ +#undef CONFIG_VARIABLE +#undef CONFIG_VARIABLE_SPECIAL +#define CONFIG_VARIABLE(Type,var,name,value) var (name,value), +#define CONFIG_VARIABLE_SPECIAL(Type,var,name,value,mutator) var (name,value,mutator), +#include "ardour/configuration_vars.h" +#undef CONFIG_VARIABLE +#undef CONFIG_VARIABLE_SPECIAL + + + current_owner (ConfigVariableBase::Default) +{ + _control_protocol_state = 0; +} + +Configuration::~Configuration () +{ +} + +void +Configuration::set_current_owner (ConfigVariableBase::Owner owner) +{ + current_owner = owner; +} + +int +Configuration::load_state () +{ + bool found = false; + + sys::path system_rc_file; + struct stat statbuf; + + /* load system configuration first */ + + if ( find_file_in_search_path (ardour_search_path() + system_config_search_path(), + "ardour_system.rc", system_rc_file) ) + { + XMLTree tree; + found = true; + + string rcfile = system_rc_file.to_string(); + + /* stupid XML Parser hates empty files */ + + if (g_stat (rcfile.c_str(), &statbuf)) { + return -1; + } + + if (statbuf.st_size != 0) { + cerr << string_compose (_("loading system configuration file %1"), rcfile) << endl; + + if (!tree.read (rcfile.c_str())) { + error << string_compose(_("Ardour: cannot read system configuration file \"%1\""), rcfile) << endmsg; + return -1; + } + + current_owner = ConfigVariableBase::System; + + if (set_state (*tree.root())) { + error << string_compose(_("Ardour: system configuration file \"%1\" not loaded successfully."), rcfile) << endmsg; + return -1; + } + } else { + error << _("your system Ardour configuration file is empty. This probably means that there as an error installing Ardour") << endmsg; + } + } + + /* now load configuration file for user */ + + sys::path user_rc_file; + + if (find_file_in_search_path (ardour_search_path() + user_config_directory(), + "ardour.rc", user_rc_file)) + { + XMLTree tree; + + string rcfile = user_rc_file.to_string(); + + /* stupid XML parser hates empty files */ + + if (g_stat (rcfile.c_str(), &statbuf)) { + return -1; + } + + if (statbuf.st_size != 0) { + cerr << string_compose (_("loading user configuration file %1"), rcfile) << endl; + + if (!tree.read (rcfile)) { + error << string_compose(_("Ardour: cannot read configuration file \"%1\""), rcfile) << endmsg; + return -1; + } + + current_owner = ConfigVariableBase::Config; + + if (set_state (*tree.root())) { + error << string_compose(_("Ardour: user configuration file \"%1\" not loaded successfully."), rcfile) << endmsg; + return -1; + } + } else { + warning << _("your Ardour configuration file is empty. This is not normal.") << endmsg; + } + } + + if (!found) + error << "Ardour: could not find configuration file (ardour.rc), canvas will look broken." << endmsg; + + return 0; +} + +int +Configuration::save_state() +{ + XMLTree tree; + + try + { + sys::create_directories (user_config_directory ()); + } + catch (const sys::filesystem_error& ex) + { + error << "Could not create user configuration directory" << endmsg; + return -1; + } + + sys::path rcfile_path(user_config_directory()); + + rcfile_path /= "ardour.rc"; + const string rcfile = rcfile_path.to_string(); + + // this test seems bogus? + if (rcfile.length()) { + tree.set_root (&get_state()); + if (!tree.write (rcfile.c_str())){ + error << string_compose (_("Config file %1 not saved"), rcfile) << endmsg; + return -1; + } + } + + return 0; +} + +void +Configuration::add_instant_xml(XMLNode& node) +{ + Stateful::add_instant_xml (node, user_config_directory ()); +} + +XMLNode* +Configuration::instant_xml(const string& node_name) +{ + return Stateful::instant_xml (node_name, user_config_directory ()); +} + + +bool +Configuration::save_config_options_predicate (ConfigVariableBase::Owner owner) +{ + /* only save things that were in the config file to start with */ + return owner & ConfigVariableBase::Config; +} + +XMLNode& +Configuration::get_state () +{ + XMLNode* root; + LocaleGuard lg (X_("POSIX")); + + root = new XMLNode("Ardour"); + + MIDI::Manager::PortMap::const_iterator i; + const MIDI::Manager::PortMap& ports = MIDI::Manager::instance()->get_midi_ports(); + + for (i = ports.begin(); i != ports.end(); ++i) { + root->add_child_nocopy(i->second->get_state()); + } + + root->add_child_nocopy (get_variables (sigc::mem_fun (*this, &Configuration::save_config_options_predicate), "Config")); + + if (_extra_xml) { + root->add_child_copy (*_extra_xml); + } + + root->add_child_nocopy (ControlProtocolManager::instance().get_state()); + + return *root; +} + +XMLNode& +Configuration::get_variables (sigc::slot<bool,ConfigVariableBase::Owner> predicate, std::string which_node) +{ + XMLNode* node; + LocaleGuard lg (X_("POSIX")); + + node = new XMLNode(which_node); + +#undef CONFIG_VARIABLE +#undef CONFIG_VARIABLE_SPECIAL +#define CONFIG_VARIABLE(type,var,Name,value) \ + if (node->name() == "Config") { if (predicate (var.owner())) { var.add_to_node (*node); }} +#define CONFIG_VARIABLE_SPECIAL(type,var,Name,value,mutator) \ + if (node->name() == "Config") { if (predicate (var.owner())) { var.add_to_node (*node); }} +#include "ardour/configuration_vars.h" +#undef CONFIG_VARIABLE +#undef CONFIG_VARIABLE_SPECIAL + + return *node; +} + +int +Configuration::set_state (const XMLNode& root) +{ + if (root.name() != "Ardour") { + return -1; + } + + XMLNodeList nlist = root.children(); + XMLNodeConstIterator niter; + XMLNode *node; + + for (niter = nlist.begin(); niter != nlist.end(); ++niter) { + + node = *niter; + + if (node->name() == "MIDI-port") { + + try { + + MIDI::Port::Descriptor desc (*node); + map<string,XMLNode>::iterator x; + if ((x = midi_ports.find (desc.tag)) != midi_ports.end()) { + midi_ports.erase (x); + } + midi_ports.insert (pair<string,XMLNode>(desc.tag,*node)); + } + + catch (failed_constructor& err) { + warning << _("ill-formed MIDI port specification in ardour rcfile (ignored)") << endmsg; + } + + } else if (node->name() == "Config") { + + set_variables (*node, ConfigVariableBase::Config); + + } else if (node->name() == "extra") { + _extra_xml = new XMLNode (*node); + + } else if (node->name() == ControlProtocolManager::state_node_name) { + _control_protocol_state = new XMLNode (*node); + } + } + + Diskstream::set_disk_io_chunk_frames (minimum_disk_io_bytes.get() / sizeof (Sample)); + + return 0; +} + +void +Configuration::set_variables (const XMLNode& node, ConfigVariableBase::Owner owner) +{ +#undef CONFIG_VARIABLE +#undef CONFIG_VARIABLE_SPECIAL +#define CONFIG_VARIABLE(type,var,name,value) \ + if (var.set_from_node (node, owner)) { \ + ParameterChanged (name); \ + } +#define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) \ + if (var.set_from_node (node, owner)) { \ + ParameterChanged (name); \ + } + +#include "ardour/configuration_vars.h" +#undef CONFIG_VARIABLE +#undef CONFIG_VARIABLE_SPECIAL + +} +void +Configuration::map_parameters (sigc::slot<void,const char*> theSlot) +{ +#undef CONFIG_VARIABLE +#undef CONFIG_VARIABLE_SPECIAL +#define CONFIG_VARIABLE(type,var,name,value) theSlot (name); +#define CONFIG_VARIABLE_SPECIAL(type,var,name,value,mutator) theSlot (name); +#include "ardour/configuration_vars.h" +#undef CONFIG_VARIABLE +#undef CONFIG_VARIABLE_SPECIAL +} + +bool ConfigVariableBase::show_stores = false; + +void +ConfigVariableBase::set_show_stored_values (bool yn) +{ + show_stores = yn; +} + +void +ConfigVariableBase::show_stored_value (const string& str) +{ + if (show_stores) { + cerr << "Config variable " << _name << " stored as " << str << endl; + } +} + +void +ConfigVariableBase::notify () +{ + // placeholder for any debugging desired when a config variable is modified +} + +void +ConfigVariableBase::miss () +{ + // placeholder for any debugging desired when a config variable + // is set but to the same value as it already has +} + |