andre@0: /* Copyright (C) 2014 by Intevation GmbH
andre@0:  *
andre@0:  * This file is Free Software under the GNU GPL (v>=2)
andre@0:  * and comes with ABSOLUTELY NO WARRANTY!
andre@0:  * See LICENSE.txt for details.
andre@0:  */
andre@0: 
andre@0: /** @file Main entry point for the application.
andre@0:  *
andre@0:  * This file is the wrapper around the qt application.
andre@0:  * Does command line parsing and preparation of the QApplication.
andre@0:  */
andre@0: #include "constants.h"
andre@0: 
andre@0: #include "mainwindow.h"
andre@0: 
andre@0: #include "strhelp.h"
andre@0: #include "util.h"
andre@0: 
andre@0: #include <QApplication>
andre@0: #include <QCommandLineParser>
andre@0: #include <QtPlugin>
andre@0: #include <QDebug>
andre@0: #include <QTranslator>
andre@0: #include <QSettings>
andre@0: #include <QFontDatabase>
andre@0: #include <QSplashScreen>
andre@0: #include <QTimer>
andre@0: 
andre@0: #ifdef Q_OS_WIN
andre@0: 
andre@0:  #include <windows.h>
andre@0:  #include <shlobj.h>
andre@0: 
andre@0:  Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
andre@0: #else
andre@0: /* this is only necessary if we build statically for GNU/Linux */
andre@0: // Q_IMPORT_PLUGIN(QXcbIntegrationPlugin)
andre@0: #endif
andre@0: 
andre@0: #ifdef IS_TAG_BUILD
andre@0: bool g_debug = false;
andre@0: #else
andre@0: bool g_debug = true;
andre@0: #endif
andre@0: 
andre@0: QtMessageHandler g_default_msg_handler = NULL;
andre@0: 
andre@0: void filterDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
andre@0: {
andre@0:     if (!g_debug && type == QtDebugMsg) {
andre@0:         return;
andre@0:     }
andre@0: 
andre@0:     if (g_default_msg_handler) {
andre@0:         (*g_default_msg_handler)(type, context, msg);
andre@0:     }
andre@0: }
andre@0: 
andre@0: int realMain(int argc, char **argv);
andre@0: 
andre@0: #if defined(WIN32) && defined(UNICODE)
andre@0: 
andre@0: /** @brief Unicode entry point.
andre@0:  *
andre@0:  * Converts arguments to UTF-8 and executes the real
andre@0:  * entry point realMain.
andre@0:  */
andre@0: int wmain(int argc, wchar_t **argv, wchar_t **envp)
andre@0: {
andre@0:     char **utf8args = NULL;
andre@0: 
andre@0:     utf8args = (char**) xmalloc0 ((argc + 1) * sizeof(char*));
andre@0: 
andre@0:     for (int i = 0; i < argc; i++) {
andre@0:         utf8args[i] = wchar_to_utf8(argv[i], wcslen(argv[i]));
andre@0:         if (utf8args[i] == NULL) {
andre@0:             printf ("Fatal: could not convert arguments to UTF-8.\n");
andre@0:             exit(-1);
andre@0:         }
andre@0:     }
andre@0:     int ret = realMain(argc, utf8args);
andre@0:     strv_free(utf8args);
andre@0: 
andre@0:     return ret;
andre@0: }
andre@0: #else
andre@0: int main(int argc, char **argv)
andre@0: {
andre@0:     return realMain(argc, argv);
andre@0: }
andre@0: #endif
andre@0: 
andre@0: /** @brief The real entry point to the application.
andre@0:  *
andre@0:  * @param [in] argc the count of the arguments.
andre@0:  * @param [in] argv On GNU/Linux this function expects argv to be in the
andre@0:  * native system encoding. On Windows the arguments
andre@0:  * shall be UTF-8
andre@0:  *
andre@0:  * @returns 0 on success an error code otherwise. */
andre@0: int realMain(int argc, char **argv)
andre@0: {
andre@0:     /* QApplication setup */
andre@0:     QApplication app (argc, argv);
andre@0:     QApplication::setQuitOnLastWindowClosed(true);
andre@0:     QApplication::setOrganizationName(QString::fromLatin1(ORGANIZATION));
andre@0:     QApplication::setApplicationName(QString::fromLatin1(APPNAME));
andre@0:     QApplication::setApplicationVersion(QString::fromLatin1(VERSION));
andre@0:     QSettings::setDefaultFormat(QSettings::IniFormat);
andre@0: 
andre@0:     /* Setup translations */
andre@0:     QTranslator translator;
andre@0:     if (QLocale::system().name() == "C") {
andre@0:         /* Useful for testing / development as the primary target is german */
andre@0:         translator.load(":/l10n/main_de_DE");
andre@0:     } else {
andre@0:         translator.load(":/l10n/main_" + QLocale::system().name());
andre@0:     }
andre@0:     app.installTranslator(&translator);
andre@0: 
andre@0:     /* Install static fonts */
andre@0: 
andre@0:     /* The putenv here works around a bug in qt (#29192). Qt thinks it is a fatal
andre@0:      * error if the font directory does not exist. Will be fixed in Qt 5.4 */
andre@0:     char * inst_dir = get_install_dir();
andre@0:     if (inst_dir) {
andre@0:         qputenv("QT_QPA_FONTDIR", inst_dir);
andre@0:         xfree(inst_dir);
andre@0:     }
andre@0:     int fontId = QFontDatabase::addApplicationFont(":/fonts/DejaVuSans.ttf");
andre@0:     if (fontId != -1)
andre@0:     {
andre@0:         QFont font("DejaVuSans");
andre@0:         font.setPointSize(9);
andre@0:         app.setFont(font);
andre@0:     }
andre@0: 
andre@0:     /* Parse the command line */
andre@0:     QCommandLineParser parser;
andre@0:     parser.setApplicationDescription(QObject::tr(DESCRIPTION) + "\n" +
andre@0:                                      QObject::tr(COPYRIGHT));
andre@0:     parser.addHelpOption();
andre@0: 
andre@0:     parser.addPositionalArgument("folder", QCoreApplication::translate("main", "The folder containing the data to replay."));
andre@0:     QCommandLineOption debugOpt(QStringList() << "debug",
andre@0:             QCoreApplication::translate("main", "Print debug output."));
andre@0:     parser.addOption(debugOpt);
andre@0: 
andre@0:     parser.process(app);
andre@0: 
andre@0: #ifdef IS_TAG_BUILD
andre@0:     g_debug = parser.isSet(debugOpt);
andre@0: #else
andre@0:     g_debug = true;
andre@0: #endif
andre@0:     g_default_msg_handler = qInstallMessageHandler(filterDebugOutput);
andre@0: 
andre@0: 
andre@0:     /* Initialize the main window */
andre@0:     MainWindow mainWin;
andre@0: 
andre@0:     const QStringList args = parser.positionalArguments();
andre@0:     if (args.isEmpty() || args.size() > 1) {
andre@0:         parser.showHelp(1);
andre@0:     }
andre@0:     mainWin.setFolder(args.first());
andre@0: 
andre@0:     mainWin.show();
andre@0: 
andre@0:     return app.exec(); /* Go event loop */
andre@0: }