comparison: src/configuration.cpp
src/configuration.cpp
- changeset 971
- c00f9665a9f8
- parent 970
- c8aae45afd85
- child 972
- a34b73114823
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| 970:c8aae45afd85 | 971:c00f9665a9f8 |
|---|---|
| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013 - 2015 Teemu Piippo | |
| 4 * | |
| 5 * This program is free software: you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License as published by | |
| 7 * the Free Software Foundation, either version 3 of the License, or | |
| 8 * (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 * GNU General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 * ===================================================================== | |
| 18 * | |
| 19 * config.cxx: Configuration management. I don't like how unsafe QSettings | |
| 20 * is so this implements a type-safer and identifer-safer wrapping system of | |
| 21 * configuration variables. QSettings is used underlyingly, this is a matter | |
| 22 * of interface. | |
| 23 */ | |
| 24 | |
| 25 #include <errno.h> | |
| 26 #include <QDir> | |
| 27 #include <QTextStream> | |
| 28 #include <QSettings> | |
| 29 #include <QApplication> | |
| 30 #include "main.h" | |
| 31 #include "configuration.h" | |
| 32 #include "miscallenous.h" | |
| 33 #include "mainwindow.h" | |
| 34 #include "ldDocument.h" | |
| 35 #include "glRenderer.h" | |
| 36 #include "configuration.inc" | |
| 37 | |
| 38 #ifdef _WIN32 | |
| 39 # define EXTENSION ".ini" | |
| 40 #else | |
| 41 # define EXTENSION ".cfg" | |
| 42 #endif // _WIN32 | |
| 43 | |
| 44 #define MAX_CONFIG 512 | |
| 45 | |
| 46 static QMap<QString, AbstractConfigEntry*> EntriesByName; | |
| 47 static QList<AbstractConfigEntry*> ConfigurationEntries; | |
| 48 | |
| 49 AbstractConfigEntry::AbstractConfigEntry (QString name) : | |
| 50 m_name (name) {} | |
| 51 | |
| 52 void Config::Initialize() | |
| 53 { | |
| 54 SetupConfigurationLists(); | |
| 55 print ("Configuration initialized with %1 entries\n", ConfigurationEntries.size()); | |
| 56 } | |
| 57 | |
| 58 static void InitConfigurationEntry (AbstractConfigEntry* entry) | |
| 59 { | |
| 60 ConfigurationEntries << entry; | |
| 61 EntriesByName[entry->name()] = entry; | |
| 62 } | |
| 63 | |
| 64 // | |
| 65 // Load the configuration from file | |
| 66 // | |
| 67 bool Config::Load() | |
| 68 { | |
| 69 QSettings* settings = SettingsObject(); | |
| 70 print ("Loading configuration file from %1\n", settings->fileName()); | |
| 71 | |
| 72 for (AbstractConfigEntry* cfg : ConfigurationEntries) | |
| 73 { | |
| 74 if (cfg == null) | |
| 75 break; | |
| 76 | |
| 77 QVariant val = settings->value (cfg->name(), cfg->getDefaultAsVariant()); | |
| 78 cfg->loadFromVariant (val); | |
| 79 } | |
| 80 | |
| 81 if (g_win != null) | |
| 82 g_win->loadShortcuts (settings); | |
| 83 | |
| 84 delete settings; | |
| 85 return true; | |
| 86 } | |
| 87 | |
| 88 // | |
| 89 // Save the configuration to disk | |
| 90 // | |
| 91 bool Config::Save() | |
| 92 { | |
| 93 QSettings* settings = SettingsObject(); | |
| 94 | |
| 95 for (AbstractConfigEntry* cfg : ConfigurationEntries) | |
| 96 { | |
| 97 if (not cfg->isDefault()) | |
| 98 settings->setValue (cfg->name(), cfg->toVariant()); | |
| 99 else | |
| 100 settings->remove (cfg->name()); | |
| 101 } | |
| 102 | |
| 103 if (g_win != null) | |
| 104 g_win->saveShortcuts (settings); | |
| 105 | |
| 106 settings->sync(); | |
| 107 print ("Configuration saved to %1.\n", settings->fileName()); | |
| 108 delete settings; | |
| 109 return true; | |
| 110 } | |
| 111 | |
| 112 // | |
| 113 // Reset configuration to defaults. | |
| 114 // | |
| 115 void Config::ResetToDefaults() | |
| 116 { | |
| 117 for (AbstractConfigEntry* cfg : ConfigurationEntries) | |
| 118 cfg->resetValue(); | |
| 119 } | |
| 120 | |
| 121 // | |
| 122 // Where is the configuration file located at? | |
| 123 // | |
| 124 QString Config::FilePath (QString file) | |
| 125 { | |
| 126 return Config::DirectoryPath() + DIRSLASH + file; | |
| 127 } | |
| 128 | |
| 129 // | |
| 130 // Directory of the configuration file. | |
| 131 // | |
| 132 QString Config::DirectoryPath() | |
| 133 { | |
| 134 QSettings* settings = SettingsObject(); | |
| 135 QString result = Dirname (settings->fileName()); | |
| 136 delete settings; | |
| 137 return result; | |
| 138 } | |
| 139 | |
| 140 // | |
| 141 // Accessor to the settings object | |
| 142 // | |
| 143 QSettings* Config::SettingsObject() | |
| 144 { | |
| 145 QString path = qApp->applicationDirPath() + "/" UNIXNAME EXTENSION; | |
| 146 return new QSettings (path, QSettings::IniFormat); | |
| 147 } | |
| 148 | |
| 149 // | |
| 150 // Accessor to entry list | |
| 151 // | |
| 152 QList<AbstractConfigEntry*> const& Config::AllConfigEntries() | |
| 153 { | |
| 154 return ConfigurationEntries; | |
| 155 } | |
| 156 | |
| 157 AbstractConfigEntry* Config::FindByName (QString const& name) | |
| 158 { | |
| 159 auto it = EntriesByName.find (name); | |
| 160 return (it != EntriesByName.end()) ? *it : null; | |
| 161 } | |
| 162 | |
| 163 template<typename T> | |
| 164 static T* GetConfigByName (QString name, AbstractConfigEntry::Type type) | |
| 165 { | |
| 166 auto it = EntriesByName.find (name); | |
| 167 | |
| 168 if (it == EntriesByName.end()) | |
| 169 return null; | |
| 170 | |
| 171 AbstractConfigEntry* cfg = it.value(); | |
| 172 | |
| 173 if (cfg->getType() != type) | |
| 174 { | |
| 175 fprint (stderr, "type of %1 is %2, not %3\n", name, cfg->getType(), type); | |
| 176 abort(); | |
| 177 } | |
| 178 | |
| 179 return reinterpret_cast<T*> (cfg); | |
| 180 } | |
| 181 | |
| 182 #undef IMPLEMENT_CONFIG | |
| 183 | |
| 184 #define IMPLEMENT_CONFIG(NAME) \ | |
| 185 NAME##ConfigEntry* NAME##ConfigEntry::getByName (QString name) \ | |
| 186 { \ | |
| 187 return GetConfigByName<NAME##ConfigEntry> (name, E##NAME##Type); \ | |
| 188 } | |
| 189 | |
| 190 IMPLEMENT_CONFIG (Int) | |
| 191 IMPLEMENT_CONFIG (String) | |
| 192 IMPLEMENT_CONFIG (Bool) | |
| 193 IMPLEMENT_CONFIG (Float) | |
| 194 IMPLEMENT_CONFIG (List) | |
| 195 IMPLEMENT_CONFIG (KeySequence) | |
| 196 IMPLEMENT_CONFIG (Vertex) | |
| 197 | |
| 198 void IntConfigEntry::loadFromVariant (const QVariant& val) | |
| 199 { | |
| 200 *m_valueptr = val.toInt(); | |
| 201 } | |
| 202 | |
| 203 void StringConfigEntry::loadFromVariant (const QVariant& val) | |
| 204 { | |
| 205 *m_valueptr = val.toString(); | |
| 206 } | |
| 207 | |
| 208 void BoolConfigEntry::loadFromVariant (const QVariant& val) | |
| 209 { | |
| 210 *m_valueptr = val.toBool(); | |
| 211 } | |
| 212 | |
| 213 void ListConfigEntry::loadFromVariant (const QVariant& val) | |
| 214 { | |
| 215 *m_valueptr = val.toList(); | |
| 216 } | |
| 217 | |
| 218 void KeySequenceConfigEntry::loadFromVariant (const QVariant& val) | |
| 219 { | |
| 220 *m_valueptr = val.toString(); | |
| 221 } | |
| 222 | |
| 223 void FloatConfigEntry::loadFromVariant (const QVariant& val) | |
| 224 { | |
| 225 *m_valueptr = val.toDouble(); | |
| 226 } | |
| 227 | |
| 228 void VertexConfigEntry::loadFromVariant (const QVariant& val) | |
| 229 { | |
| 230 *m_valueptr = val.value<Vertex>(); | |
| 231 } |
