comparison: src/config.cc
src/config.cc
- changeset 557
- 04e140bdeb0b
- child 587
- 507e5d5c348c
equal
deleted
inserted
replaced
| 556:5f4395ec5db0 | 557:04e140bdeb0b |
|---|---|
| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013 Santeri 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.cpp: 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 "main.h" | |
| 30 #include "config.h" | |
| 31 #include "misc.h" | |
| 32 #include "gui.h" | |
| 33 #include "document.h" | |
| 34 | |
| 35 #ifdef _WIN32 | |
| 36 # define EXTENSION ".ini" | |
| 37 #else | |
| 38 # define EXTENSION ".cfg" | |
| 39 #endif // _WIN32 | |
| 40 | |
| 41 Config* g_configPointers[MAX_CONFIG]; | |
| 42 static int g_cfgPointerCursor = 0; | |
| 43 | |
| 44 // ============================================================================= | |
| 45 // Get the QSettings object. A portable build refers to a file in the current | |
| 46 // directory, a non-portable build to ~/.config/LDForge or to registry. | |
| 47 // ----------------------------------------------------------------------------- | |
| 48 static QSettings* getSettingsObject() | |
| 49 { | |
| 50 #ifdef PORTABLE | |
| 51 return new QSettings (str (APPNAME).toLower() + EXTENSION, QSettings::IniFormat); | |
| 52 #else | |
| 53 return new QSettings; | |
| 54 #endif // PORTABLE | |
| 55 } | |
| 56 | |
| 57 Config::Config (const char* name, const char* defstring) : | |
| 58 name (name), m_defstring (defstring) {} | |
| 59 | |
| 60 // ============================================================================= | |
| 61 // Load the configuration from file | |
| 62 // ----------------------------------------------------------------------------- | |
| 63 bool Config::load() | |
| 64 { QSettings* settings = getSettingsObject(); | |
| 65 log ("config::load: Loading configuration file from %1\n", settings->fileName()); | |
| 66 | |
| 67 for (Config* cfg : g_configPointers) | |
| 68 { if (!cfg) | |
| 69 break; | |
| 70 | |
| 71 QVariant val = settings->value (cfg->name, cfg->defaultVariant()); | |
| 72 cfg->loadFromVariant (val); | |
| 73 } | |
| 74 | |
| 75 settings->deleteLater(); | |
| 76 return true; | |
| 77 } | |
| 78 | |
| 79 // ============================================================================= | |
| 80 // Save the configuration to disk | |
| 81 // ----------------------------------------------------------------------------- | |
| 82 bool Config::save() | |
| 83 { QSettings* settings = getSettingsObject(); | |
| 84 log ("Saving configuration to %1...\n", settings->fileName()); | |
| 85 | |
| 86 for (Config* cfg : g_configPointers) | |
| 87 { if (!cfg) | |
| 88 break; | |
| 89 | |
| 90 if (cfg->isDefault()) | |
| 91 continue; | |
| 92 | |
| 93 settings->setValue (cfg->name, cfg->toVariant()); | |
| 94 } | |
| 95 | |
| 96 settings->sync(); | |
| 97 settings->deleteLater(); | |
| 98 return true; | |
| 99 } | |
| 100 | |
| 101 // ============================================================================= | |
| 102 // Reset configuration defaults. | |
| 103 // ----------------------------------------------------------------------------- | |
| 104 void Config::reset() | |
| 105 { for (Config * cfg : g_configPointers) | |
| 106 { if (!cfg) | |
| 107 break; | |
| 108 | |
| 109 cfg->resetValue(); | |
| 110 } | |
| 111 } | |
| 112 | |
| 113 // ============================================================================= | |
| 114 // Where is the configuration file located at? Note that the Windows build uses | |
| 115 // the registry so only use this with PORTABLE code. | |
| 116 // ----------------------------------------------------------------------------- | |
| 117 str Config::filepath (str file) | |
| 118 { return Config::dirpath() + DIRSLASH + file; | |
| 119 } | |
| 120 | |
| 121 // ============================================================================= | |
| 122 // Directory of the configuration file. PORTABLE code here as well. | |
| 123 // ----------------------------------------------------------------------------- | |
| 124 str Config::dirpath() | |
| 125 { QSettings* cfg = getSettingsObject(); | |
| 126 return dirname (cfg->fileName()); | |
| 127 } | |
| 128 | |
| 129 // ============================================================================= | |
| 130 // We cannot just add config objects to a list or vector because that would rely | |
| 131 // on the vector's c-tor being called before the configs' c-tors. With global | |
| 132 // variables we cannot assume that!! Therefore we need to use a C-style array here. | |
| 133 // ----------------------------------------------------------------------------- | |
| 134 void Config::addToArray (Config* ptr) | |
| 135 { if (g_cfgPointerCursor == 0) | |
| 136 memset (g_configPointers, 0, sizeof g_configPointers); | |
| 137 | |
| 138 assert (g_cfgPointerCursor < MAX_CONFIG); | |
| 139 g_configPointers[g_cfgPointerCursor++] = ptr; | |
| 140 } |
