Mercurial > retraceit
comparison src/main.cpp @ 0:147b08bc7d64
Initial commit of a basic Application framework.
| author | Andre Heinecke <andre.heinecke@intevation.de> |
|---|---|
| date | Mon, 23 Mar 2015 12:41:52 +0100 |
| parents | |
| children | e3c8f61e45a9 |
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| -1:000000000000 | 0:147b08bc7d64 |
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| 1 /* Copyright (C) 2014 by Intevation GmbH | |
| 2 * | |
| 3 * This file is Free Software under the GNU GPL (v>=2) | |
| 4 * and comes with ABSOLUTELY NO WARRANTY! | |
| 5 * See LICENSE.txt for details. | |
| 6 */ | |
| 7 | |
| 8 /** @file Main entry point for the application. | |
| 9 * | |
| 10 * This file is the wrapper around the qt application. | |
| 11 * Does command line parsing and preparation of the QApplication. | |
| 12 */ | |
| 13 #include "constants.h" | |
| 14 | |
| 15 #include "mainwindow.h" | |
| 16 | |
| 17 #include "strhelp.h" | |
| 18 #include "util.h" | |
| 19 | |
| 20 #include <QApplication> | |
| 21 #include <QCommandLineParser> | |
| 22 #include <QtPlugin> | |
| 23 #include <QDebug> | |
| 24 #include <QTranslator> | |
| 25 #include <QSettings> | |
| 26 #include <QFontDatabase> | |
| 27 #include <QSplashScreen> | |
| 28 #include <QTimer> | |
| 29 | |
| 30 #ifdef Q_OS_WIN | |
| 31 | |
| 32 #include <windows.h> | |
| 33 #include <shlobj.h> | |
| 34 | |
| 35 Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin) | |
| 36 #else | |
| 37 /* this is only necessary if we build statically for GNU/Linux */ | |
| 38 // Q_IMPORT_PLUGIN(QXcbIntegrationPlugin) | |
| 39 #endif | |
| 40 | |
| 41 #ifdef IS_TAG_BUILD | |
| 42 bool g_debug = false; | |
| 43 #else | |
| 44 bool g_debug = true; | |
| 45 #endif | |
| 46 | |
| 47 QtMessageHandler g_default_msg_handler = NULL; | |
| 48 | |
| 49 void filterDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg) | |
| 50 { | |
| 51 if (!g_debug && type == QtDebugMsg) { | |
| 52 return; | |
| 53 } | |
| 54 | |
| 55 if (g_default_msg_handler) { | |
| 56 (*g_default_msg_handler)(type, context, msg); | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 int realMain(int argc, char **argv); | |
| 61 | |
| 62 #if defined(WIN32) && defined(UNICODE) | |
| 63 | |
| 64 /** @brief Unicode entry point. | |
| 65 * | |
| 66 * Converts arguments to UTF-8 and executes the real | |
| 67 * entry point realMain. | |
| 68 */ | |
| 69 int wmain(int argc, wchar_t **argv, wchar_t **envp) | |
| 70 { | |
| 71 char **utf8args = NULL; | |
| 72 | |
| 73 utf8args = (char**) xmalloc0 ((argc + 1) * sizeof(char*)); | |
| 74 | |
| 75 for (int i = 0; i < argc; i++) { | |
| 76 utf8args[i] = wchar_to_utf8(argv[i], wcslen(argv[i])); | |
| 77 if (utf8args[i] == NULL) { | |
| 78 printf ("Fatal: could not convert arguments to UTF-8.\n"); | |
| 79 exit(-1); | |
| 80 } | |
| 81 } | |
| 82 int ret = realMain(argc, utf8args); | |
| 83 strv_free(utf8args); | |
| 84 | |
| 85 return ret; | |
| 86 } | |
| 87 #else | |
| 88 int main(int argc, char **argv) | |
| 89 { | |
| 90 return realMain(argc, argv); | |
| 91 } | |
| 92 #endif | |
| 93 | |
| 94 /** @brief The real entry point to the application. | |
| 95 * | |
| 96 * @param [in] argc the count of the arguments. | |
| 97 * @param [in] argv On GNU/Linux this function expects argv to be in the | |
| 98 * native system encoding. On Windows the arguments | |
| 99 * shall be UTF-8 | |
| 100 * | |
| 101 * @returns 0 on success an error code otherwise. */ | |
| 102 int realMain(int argc, char **argv) | |
| 103 { | |
| 104 /* QApplication setup */ | |
| 105 QApplication app (argc, argv); | |
| 106 QApplication::setQuitOnLastWindowClosed(true); | |
| 107 QApplication::setOrganizationName(QString::fromLatin1(ORGANIZATION)); | |
| 108 QApplication::setApplicationName(QString::fromLatin1(APPNAME)); | |
| 109 QApplication::setApplicationVersion(QString::fromLatin1(VERSION)); | |
| 110 QSettings::setDefaultFormat(QSettings::IniFormat); | |
| 111 | |
| 112 /* Setup translations */ | |
| 113 QTranslator translator; | |
| 114 if (QLocale::system().name() == "C") { | |
| 115 /* Useful for testing / development as the primary target is german */ | |
| 116 translator.load(":/l10n/main_de_DE"); | |
| 117 } else { | |
| 118 translator.load(":/l10n/main_" + QLocale::system().name()); | |
| 119 } | |
| 120 app.installTranslator(&translator); | |
| 121 | |
| 122 /* Install static fonts */ | |
| 123 | |
| 124 /* The putenv here works around a bug in qt (#29192). Qt thinks it is a fatal | |
| 125 * error if the font directory does not exist. Will be fixed in Qt 5.4 */ | |
| 126 char * inst_dir = get_install_dir(); | |
| 127 if (inst_dir) { | |
| 128 qputenv("QT_QPA_FONTDIR", inst_dir); | |
| 129 xfree(inst_dir); | |
| 130 } | |
| 131 int fontId = QFontDatabase::addApplicationFont(":/fonts/DejaVuSans.ttf"); | |
| 132 if (fontId != -1) | |
| 133 { | |
| 134 QFont font("DejaVuSans"); | |
| 135 font.setPointSize(9); | |
| 136 app.setFont(font); | |
| 137 } | |
| 138 | |
| 139 /* Parse the command line */ | |
| 140 QCommandLineParser parser; | |
| 141 parser.setApplicationDescription(QObject::tr(DESCRIPTION) + "\n" + | |
| 142 QObject::tr(COPYRIGHT)); | |
| 143 parser.addHelpOption(); | |
| 144 | |
| 145 parser.addPositionalArgument("folder", QCoreApplication::translate("main", "The folder containing the data to replay.")); | |
| 146 QCommandLineOption debugOpt(QStringList() << "debug", | |
| 147 QCoreApplication::translate("main", "Print debug output.")); | |
| 148 parser.addOption(debugOpt); | |
| 149 | |
| 150 parser.process(app); | |
| 151 | |
| 152 #ifdef IS_TAG_BUILD | |
| 153 g_debug = parser.isSet(debugOpt); | |
| 154 #else | |
| 155 g_debug = true; | |
| 156 #endif | |
| 157 g_default_msg_handler = qInstallMessageHandler(filterDebugOutput); | |
| 158 | |
| 159 | |
| 160 /* Initialize the main window */ | |
| 161 MainWindow mainWin; | |
| 162 | |
| 163 const QStringList args = parser.positionalArguments(); | |
| 164 if (args.isEmpty() || args.size() > 1) { | |
| 165 parser.showHelp(1); | |
| 166 } | |
| 167 mainWin.setFolder(args.first()); | |
| 168 | |
| 169 mainWin.show(); | |
| 170 | |
| 171 return app.exec(); /* Go event loop */ | |
| 172 } |