gtk2_ardour/ui_config.cc

   1 /*
   2     Copyright (C) 1999-2006 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 <unistd.h>
  21 #include <cstdio> /* for snprintf, grrr */
  22
  23 #include <glibmm/miscutils.h>
  24
  25 #include "pbd/failed_constructor.h"
  26 #include "pbd/xml++.h"
  27 #include "pbd/filesystem.h"
  28 #include "pbd/file_utils.h"
  29 #include "pbd/error.h"
  30
  31 #include "ardour/ardour.h"
  32 #include "ardour/filesystem_paths.h"
  33
  34 #include "ui_config.h"
  35
  36 #include "i18n.h"
  37
  38 using namespace std;
  39 using namespace PBD;
  40 using namespace ARDOUR;
  41
  42 UIConfiguration::UIConfiguration ()
  43         :
  44 #undef  UI_CONFIG_VARIABLE
  45 #undef  CANVAS_VARIABLE
  46 #define UI_CONFIG_VARIABLE(Type,var,name,val) var (name,val),
  47 #define CANVAS_VARIABLE(var,name) var (name),
  48 #include "ui_config_vars.h"
  49 #include "canvas_vars.h"
  50 #undef  UI_CONFIG_VARIABLE
  51 #undef  CANVAS_VARIABLE
  52         hack(true)
  53 {
  54         load_state();
  55 }
  56
  57 UIConfiguration::~UIConfiguration ()
  58 {
  59 }
  60
  61 int
  62 UIConfiguration::load_defaults ()
  63 {
  64         int found = 0;
  65
  66         sys::path default_ui_rc_file;
  67         std::string rcfile;
  68
  69         if (getenv ("ARDOUR_SAE")) {
  70                 rcfile = "ardour3_ui_sae.conf";
  71         } else {
  72                 rcfile = "ardour3_ui_default.conf";
  73         }
  74
  75         if (find_file_in_search_path (ardour_search_path() + system_config_search_path(),
  76                                       rcfile, default_ui_rc_file) )
  77         {
  78                 XMLTree tree;
  79                 found = 1;
  80
  81                 string rcfile = default_ui_rc_file.to_string();
  82
  83                 info << string_compose (_("Loading default ui configuration file %1"), rcfile) << endl;
  84
  85                 if (!tree.read (rcfile.c_str())) {
  86                         error << string_compose(_("cannot read default ui configuration file \"%1\""), rcfile) << endmsg;
  87                         return -1;
  88                 }
  89
  90                 if (set_state (*tree.root(), Stateful::loading_state_version)) {
  91                         error << string_compose(_("default ui configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
  92                         return -1;
  93                 }
  94         }
  95
  96         return found;
  97 }
  98
  99 int
 100 UIConfiguration::load_state ()
 101 {
 102         bool found = false;
 103
 104         sys::path default_ui_rc_file;
 105
 106         if ( find_file_in_search_path (ardour_search_path() + system_config_search_path(),
 107                         "ardour3_ui_default.conf", default_ui_rc_file) )
 108         {
 109                 XMLTree tree;
 110                 found = true;
 111
 112                 string rcfile = default_ui_rc_file.to_string();
 113
 114                 info << string_compose (_("Loading default ui configuration file %1"), rcfile) << endl;
 115
 116                 if (!tree.read (rcfile.c_str())) {
 117                         error << string_compose(_("cannot read default ui configuration file \"%1\""), rcfile) << endmsg;
 118                         return -1;
 119                 }
 120
 121                 if (set_state (*tree.root(), Stateful::loading_state_version)) {
 122                         error << string_compose(_("default ui configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
 123                         return -1;
 124                 }
 125         }
 126
 127         sys::path user_ui_rc_file;
 128
 129         if (find_file_in_search_path (ardour_search_path() + user_config_directory(),
 130                         "ardour3_ui.conf", user_ui_rc_file))
 131         {
 132                 XMLTree tree;
 133                 found = true;
 134
 135                 string rcfile = user_ui_rc_file.to_string();
 136
 137                 info << string_compose (_("Loading user ui configuration file %1"), rcfile) << endmsg;
 138
 139                 if (!tree.read (rcfile)) {
 140                         error << string_compose(_("cannot read ui configuration file \"%1\""), rcfile) << endmsg;
 141                         return -1;
 142                 }
 143
 144                 if (set_state (*tree.root(), Stateful::loading_state_version)) {
 145                         error << string_compose(_("user ui configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
 146                         return -1;
 147                 }
 148         }
 149
 150         if (!found)
 151                 error << _("could not find any ui configuration file, canvas will look broken.") << endmsg;
 152
 153         pack_canvasvars();
 154         return 0;
 155 }
 156
 157 int
 158 UIConfiguration::save_state()
 159 {
 160         XMLTree tree;
 161
 162         try {
 163                 sys::create_directories (user_config_directory ());
 164         }
 165         catch (const sys::filesystem_error& ex) {
 166                 error << "Could not create user configuration directory" << endmsg;
 167                 return -1;
 168         }
 169
 170         sys::path rcfile_path(user_config_directory());
 171
 172         rcfile_path /= "ardour3_ui.conf";
 173         const string rcfile = rcfile_path.to_string();
 174
 175         // this test seems bogus?
 176         if (rcfile.length()) {
 177                 tree.set_root (&get_state());
 178                 if (!tree.write (rcfile.c_str())){
 179                         error << string_compose (_("Config file %1 not saved"), rcfile) << endmsg;
 180                         return -1;
 181                 }
 182         }
 183
 184         return 0;
 185 }
 186
 187 XMLNode&
 188 UIConfiguration::get_state ()
 189 {
 190         XMLNode* root;
 191         LocaleGuard lg (X_("POSIX"));
 192
 193         root = new XMLNode("Ardour");
 194
 195         root->add_child_nocopy (get_variables ("UI"));
 196         root->add_child_nocopy (get_variables ("Canvas"));
 197
 198         if (_extra_xml) {
 199                 root->add_child_copy (*_extra_xml);
 200         }
 201
 202         return *root;
 203 }
 204
 205 XMLNode&
 206 UIConfiguration::get_variables (std::string which_node)
 207 {
 208         XMLNode* node;
 209         LocaleGuard lg (X_("POSIX"));
 210
 211         node = new XMLNode(which_node);
 212
 213 #undef  UI_CONFIG_VARIABLE
 214 #undef  CANVAS_VARIABLE
 215 #define UI_CONFIG_VARIABLE(Type,var,Name,value) if (node->name() == "UI") { var.add_to_node (*node); }
 216 #define CANVAS_VARIABLE(var,Name) if (node->name() == "Canvas") { var.add_to_node (*node); }
 217 #include "ui_config_vars.h"
 218 #include "canvas_vars.h"
 219 #undef  UI_CONFIG_VARIABLE
 220 #undef  CANVAS_VARIABLE
 221
 222         return *node;
 223 }
 224
 225 int
 226 UIConfiguration::set_state (const XMLNode& root, int /*version*/)
 227 {
 228         if (root.name() != "Ardour") {
 229                 return -1;
 230         }
 231
 232         XMLNodeList nlist = root.children();
 233         XMLNodeConstIterator niter;
 234         XMLNode *node;
 235
 236         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 237
 238                 node = *niter;
 239                 if (node->name() == "Canvas" ||  node->name() == "UI") {
 240                         set_variables (*node);
 241
 242                 } else if (node->name() == "Extra") {
 243                         _extra_xml = new XMLNode (*node);
 244
 245                 }
 246         }
 247         return 0;
 248 }
 249
 250 void
 251 UIConfiguration::set_variables (const XMLNode& node)
 252 {
 253 #undef  UI_CONFIG_VARIABLE
 254 #undef  CANVAS_VARIABLE
 255 #define UI_CONFIG_VARIABLE(Type,var,name,val) \
 256          if (var.set_from_node (node)) { \
 257                  ParameterChanged (name); \
 258                  }
 259 #define CANVAS_VARIABLE(var,name) \
 260          if (var.set_from_node (node)) { \
 261                  ParameterChanged (name); \
 262                  }
 263 #include "ui_config_vars.h"
 264 #include "canvas_vars.h"
 265 #undef  UI_CONFIG_VARIABLE
 266 #undef  CANVAS_VARIABLE
 267 }
 268
 269 void
 270 UIConfiguration::pack_canvasvars ()
 271 {
 272 #undef  CANVAS_VARIABLE
 273 #define CANVAS_VARIABLE(var,name) canvas_colors.push_back(&var);
 274 #include "canvas_vars.h"
 275 #undef  CANVAS_VARIABLE
 276 }
 277
 278