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 #include <pbd/localeguard.h>
  29
  30 #include <ardour/ardour.h>
  31
  32 #include "ui_config.h"
  33
  34 #include "i18n.h"
  35
  36 using namespace std;
  37 using namespace PBD;
  38 using namespace ARDOUR;
  39
  40 UIConfiguration::UIConfiguration ()
  41         :
  42 #undef  UI_CONFIG_VARIABLE
  43 #undef  CANVAS_VARIABLE
  44 #define UI_CONFIG_VARIABLE(Type,var,name,val) var (name,val),
  45 #define CANVAS_VARIABLE(var,name) var (name),
  46 #include "ui_config_vars.h"
  47 #include "canvas_vars.h"
  48 #undef  UI_CONFIG_VARIABLE
  49 #undef  CANVAS_VARIABLE
  50         hack(true)
  51 {
  52         load_state();
  53 }
  54
  55 UIConfiguration::~UIConfiguration ()
  56 {
  57 }
  58
  59 int
  60 UIConfiguration::load_defaults ()
  61 {
  62         int found = 0;
  63         std::string rcfile;
  64         const char* ui_conf;
  65
  66         ui_conf = getenv ("ARDOUR_UI_CONF");
  67
  68         if (ui_conf && ui_conf[0] != '\0') {
  69                 rcfile = find_config_file (ui_conf);
  70         } else {
  71                 if (getenv ("ARDOUR_SAE")) {
  72                         rcfile = find_config_file ("ardour2_ui_sae.conf");
  73                 } else {
  74                         rcfile = find_config_file ("ardour2_ui_default.conf");
  75                 }
  76         }
  77
  78         if (rcfile.length()) {
  79
  80                 XMLTree tree;
  81                 found = 1;
  82
  83                 cerr << string_compose (_("loading default ui configuration file %1"), rcfile) << endl;
  84
  85                 if (!tree.read (rcfile.c_str())) {
  86                         error << string_compose(_("%1: cannot read default ui configuration file \"%2\""), PROGRAM_NAME, rcfile) << endmsg;
  87                         return -1;
  88                 }
  89
  90                 if (set_state (*tree.root())) {
  91                         error << string_compose(_("%1: default ui configuration file \"%2\" not loaded successfully."), PROGRAM_NAME, rcfile) << endmsg;
  92                         return -1;
  93                 }
  94         }
  95         return found;
  96 }
  97
  98 int
  99 UIConfiguration::load_state ()
 100 {
 101         int found = load_defaults ();
 102         std::string rcfile = find_config_file ("ardour2_ui.conf");
 103
 104         if (rcfile.length())
 105         {
 106                 XMLTree tree;
 107                 found = true;
 108
 109                 cerr << string_compose (_("loading user ui configuration file %1"), rcfile) << endl;
 110
 111                 if (!tree.read (rcfile)) {
 112                         error << string_compose(_("%1: cannot read ui configuration file \"%2\""), PROGRAM_NAME, rcfile) << endmsg;
 113                         return -1;
 114                 }
 115
 116                 if (set_state (*tree.root())) {
 117                         error << string_compose(_("%1: user ui configuration file \"%2\" not loaded successfully."), PROGRAM_NAME, rcfile) << endmsg;
 118                         return -1;
 119                 }
 120         }
 121
 122         if (found != 1)
 123                 error << string_compose (_("%1: could not find any ui configuration file, canvas will look broken."), PROGRAM_NAME) << endmsg;
 124
 125         pack_canvasvars();
 126         return 0;
 127 }
 128
 129 int
 130 UIConfiguration::save_state()
 131 {
 132         XMLTree tree;
 133         string rcfile;
 134
 135         rcfile = Glib::build_filename (get_user_ardour_path (), "ardour2_ui.conf");
 136
 137         if (rcfile.length()) {
 138                 tree.set_root (&get_state());
 139                 if (!tree.write (rcfile.c_str())){
 140                         error << string_compose (_("UI config file %1 not saved"), rcfile) << endmsg;
 141                         return -1;
 142                 }
 143         }
 144
 145         return 0;
 146 }
 147
 148 XMLNode&
 149 UIConfiguration::get_state ()
 150 {
 151         XMLNode* root;
 152         LocaleGuard lg (X_("POSIX"));
 153
 154         root = new XMLNode("Ardour");
 155
 156         root->add_child_nocopy (get_variables ("UI"));
 157         root->add_child_nocopy (get_variables ("Canvas"));
 158
 159         if (_extra_xml) {
 160                 root->add_child_copy (*_extra_xml);
 161         }
 162
 163         return *root;
 164 }
 165
 166 XMLNode&
 167 UIConfiguration::get_variables (std::string which_node)
 168 {
 169         XMLNode* node;
 170         LocaleGuard lg (X_("POSIX"));
 171
 172         node = new XMLNode(which_node);
 173
 174 #undef  UI_CONFIG_VARIABLE
 175 #undef  CANVAS_VARIABLE
 176 #define UI_CONFIG_VARIABLE(Type,var,Name,value) if (node->name() == "UI") { var.add_to_node (*node); }
 177 #define CANVAS_VARIABLE(var,Name) if (node->name() == "Canvas") { var.add_to_node (*node); }
 178 #include "ui_config_vars.h"
 179 #include "canvas_vars.h"
 180 #undef  UI_CONFIG_VARIABLE
 181 #undef  CANVAS_VARIABLE
 182
 183         return *node;
 184 }
 185
 186 int
 187 UIConfiguration::set_state (const XMLNode& root)
 188 {
 189         if (root.name() != "Ardour") {
 190                 return -1;
 191         }
 192
 193         XMLNodeList nlist = root.children();
 194         XMLNodeConstIterator niter;
 195         XMLNode *node;
 196
 197         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 198
 199                 node = *niter;
 200                 if (node->name() == "Canvas" ||  node->name() == "UI") {
 201                         set_variables (*node);
 202
 203                 } else if (node->name() == "extra") {
 204                         _extra_xml = new XMLNode (*node);
 205
 206                 }
 207         }
 208         return 0;
 209 }
 210
 211 void
 212 UIConfiguration::set_variables (const XMLNode& node)
 213 {
 214 #undef  UI_CONFIG_VARIABLE
 215 #undef  CANVAS_VARIABLE
 216 #define UI_CONFIG_VARIABLE(Type,var,name,val) \
 217          if (var.set_from_node (node)) { \
 218                  ParameterChanged (name); \
 219                  }
 220 #define CANVAS_VARIABLE(var,name) \
 221          if (var.set_from_node (node)) { \
 222                  ParameterChanged (name); \
 223                  }
 224 #include "ui_config_vars.h"
 225 #include "canvas_vars.h"
 226 #undef  UI_CONFIG_VARIABLE
 227 #undef  CANVAS_VARIABLE
 228 }
 229
 230 void
 231 UIConfiguration::pack_canvasvars ()
 232 {
 233 #undef  CANVAS_VARIABLE
 234 #define CANVAS_VARIABLE(var,name) canvas_colors.push_back(&var);
 235 #include "canvas_vars.h"
 236 #undef  CANVAS_VARIABLE
 237 }
 238
 239