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/error.h>
  28
  29 #include <ardour/ardour.h>
  30
  31 #include "ui_config.h"
  32
  33 #include "i18n.h"
  34
  35 using namespace std;
  36 using namespace PBD;
  37 using namespace ARDOUR;
  38
  39 UIConfiguration::UIConfiguration ()
  40         :
  41 #undef  UI_CONFIG_VARIABLE
  42 #undef  CANVAS_VARIABLE
  43 #define UI_CONFIG_VARIABLE(Type,var,name,val) var (name,val),
  44 #define CANVAS_VARIABLE(var,name) var (name),
  45 #include "ui_config_vars.h"
  46 #include "canvas_vars.h"
  47 #undef  UI_CONFIG_VARIABLE
  48 #undef  CANVAS_VARIABLE
  49         hack(true)
  50 {
  51         load_state();
  52 }
  53
  54 UIConfiguration::~UIConfiguration ()
  55 {
  56 }
  57
  58 int
  59 UIConfiguration::load_defaults ()
  60 {
  61         int found = 0;
  62         std::string rcfile;
  63         const char* ui_conf;
  64
  65         ui_conf = getenv ("ARDOUR_UI_CONF");
  66
  67         if (ui_conf && ui_conf[0] != '\0') {
  68                 rcfile = find_config_file (ui_conf);
  69         } else {
  70                 if (getenv ("ARDOUR_SAE")) {
  71                         rcfile = find_config_file ("ardour2_ui_sae.conf");
  72                 } else {
  73                         rcfile = find_config_file ("ardour2_ui_default.conf");
  74                 }
  75         }
  76
  77         if (rcfile.length()) {
  78
  79                 XMLTree tree;
  80                 found = 1;
  81
  82                 cerr << string_compose (_("loading default ui configuration file %1"), rcfile) << endl;
  83
  84                 if (!tree.read (rcfile.c_str())) {
  85                         error << string_compose(_("Ardour: cannot read default ui configuration file \"%1\""), rcfile) << endmsg;
  86                         return -1;
  87                 }
  88
  89                 if (set_state (*tree.root())) {
  90                         error << string_compose(_("Ardour: default ui configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
  91                         return -1;
  92                 }
  93         }
  94         return found;
  95 }
  96
  97 int
  98 UIConfiguration::load_state ()
  99 {
 100         int found = load_defaults ();
 101         std::string rcfile = find_config_file ("ardour2_ui.conf");
 102
 103         if (rcfile.length())
 104         {
 105                 XMLTree tree;
 106                 found = true;
 107
 108                 cerr << string_compose (_("loading user ui configuration file %1"), rcfile) << endl;
 109
 110                 if (!tree.read (rcfile)) {
 111                         error << string_compose(_("Ardour: cannot read ui configuration file \"%1\""), rcfile) << endmsg;
 112                         return -1;
 113                 }
 114
 115                 if (set_state (*tree.root())) {
 116                         error << string_compose(_("Ardour: user ui configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
 117                         return -1;
 118                 }
 119         }
 120
 121         if (!found)
 122                 error << "Ardour: could not find any ui configuration file, canvas will look broken." << endmsg;
 123
 124         pack_canvasvars();
 125         return 0;
 126 }
 127
 128 int
 129 UIConfiguration::save_state()
 130 {
 131         XMLTree tree;
 132         string rcfile;
 133
 134         rcfile = Glib::build_filename (get_user_ardour_path (), "ardour2_ui.conf");
 135
 136         if (rcfile.length()) {
 137                 tree.set_root (&get_state());
 138                 if (!tree.write (rcfile.c_str())){
 139                         error << string_compose (_("UI config file %1 not saved"), rcfile) << endmsg;
 140                         return -1;
 141                 }
 142         }
 143
 144         return 0;
 145 }
 146
 147 XMLNode&
 148 UIConfiguration::get_state ()
 149 {
 150         XMLNode* root;
 151         LocaleGuard lg (X_("POSIX"));
 152
 153         root = new XMLNode("Ardour");
 154
 155         root->add_child_nocopy (get_variables ("UI"));
 156         root->add_child_nocopy (get_variables ("Canvas"));
 157
 158         if (_extra_xml) {
 159                 root->add_child_copy (*_extra_xml);
 160         }
 161
 162         return *root;
 163 }
 164
 165 XMLNode&
 166 UIConfiguration::get_variables (std::string which_node)
 167 {
 168         XMLNode* node;
 169         LocaleGuard lg (X_("POSIX"));
 170
 171         node = new XMLNode(which_node);
 172
 173 #undef  UI_CONFIG_VARIABLE
 174 #undef  CANVAS_VARIABLE
 175 #define UI_CONFIG_VARIABLE(Type,var,Name,value) if (node->name() == "UI") { var.add_to_node (*node); }
 176 #define CANVAS_VARIABLE(var,Name) if (node->name() == "Canvas") { var.add_to_node (*node); }
 177 #include "ui_config_vars.h"
 178 #include "canvas_vars.h"
 179 #undef  UI_CONFIG_VARIABLE
 180 #undef  CANVAS_VARIABLE
 181
 182         return *node;
 183 }
 184
 185 int
 186 UIConfiguration::set_state (const XMLNode& root)
 187 {
 188         if (root.name() != "Ardour") {
 189                 return -1;
 190         }
 191
 192         XMLNodeList nlist = root.children();
 193         XMLNodeConstIterator niter;
 194         XMLNode *node;
 195
 196         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 197
 198                 node = *niter;
 199                 if (node->name() == "Canvas" ||  node->name() == "UI") {
 200                         set_variables (*node);
 201
 202                 } else if (node->name() == "extra") {
 203                         _extra_xml = new XMLNode (*node);
 204
 205                 }
 206         }
 207         return 0;
 208 }
 209
 210 void
 211 UIConfiguration::set_variables (const XMLNode& node)
 212 {
 213 #undef  UI_CONFIG_VARIABLE
 214 #undef  CANVAS_VARIABLE
 215 #define UI_CONFIG_VARIABLE(Type,var,name,val) \
 216          if (var.set_from_node (node)) { \
 217                  ParameterChanged (name); \
 218                  }
 219 #define CANVAS_VARIABLE(var,name) \
 220          if (var.set_from_node (node)) { \
 221                  ParameterChanged (name); \
 222                  }
 223 #include "ui_config_vars.h"
 224 #include "canvas_vars.h"
 225 #undef  UI_CONFIG_VARIABLE
 226 #undef  CANVAS_VARIABLE
 227 }
 228
 229 void
 230 UIConfiguration::pack_canvasvars ()
 231 {
 232 #undef  CANVAS_VARIABLE
 233 #define CANVAS_VARIABLE(var,name) canvas_colors.push_back(&var);
 234 #include "canvas_vars.h"
 235 #undef  CANVAS_VARIABLE
 236 }
 237
 238