andre@3: /* Copyright (C) 2016 by ETH Zürich
andre@3:  * Software engineering by Intevation GmbH
andre@3:  *
andre@3:  * This file is Free Software under the GNU GPL (v>=2)
andre@3:  * and comes with ABSOLUTELY NO WARRANTY!
andre@3:  * See LICENSE.txt for details.
andre@3:  */
andre@3: 
andre@3: /** @file Main entry point for the application.
andre@3:  *
andre@3:  * This file is the wrapper around the qt application.
andre@23:  * Does command line parsing and preparation of the QApplication.
andre@3:  */
andre@3: #include "constants.h"
andre@3: 
andre@3: #include "strhelp.h"
andre@3: #include "converter.h"
andre@3: #include "cconvert_options.h"
andre@50: #include "mainwindow.h"
andre@3: 
andre@23: #include <QApplication>
andre@3: #include <QCommandLineParser>
andre@3: #include <QtPlugin>
andre@3: #include <QDebug>
andre@3: #include <QTranslator>
andre@52: #include <QTextCodec>
andre@3: #include <QSettings>
andre@3: #include <QTimer>
andre@3: 
andre@3: #ifdef Q_OS_WIN
andre@3: 
andre@3:  #include <windows.h>
andre@3:  #include <shlobj.h>
andre@3: 
andre@3:  Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
andre@3: #elif defined(Q_OS_MAC)
andre@3:  Q_IMPORT_PLUGIN(QCocoaIntegrationPlugin)
andre@3: #else
andre@3: /* this is only necessary if we build statically for GNU/Linux */
andre@3: // Q_IMPORT_PLUGIN(QXcbIntegrationPlugin)
andre@3: #endif
andre@3: 
andre@3: bool g_debug = false;
andre@3: 
andre@3: QtMessageHandler g_default_msg_handler = NULL;
andre@3: 
andre@3: void filterDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
andre@3: {
andre@3:     if (!g_debug && type == QtDebugMsg) {
andre@3:         return;
andre@3:     }
andre@3: 
andre@3:     if (g_default_msg_handler) {
andre@3:         (*g_default_msg_handler)(type, context, msg);
andre@3:     }
andre@3: }
andre@3: 
andre@3: int realMain(int argc, char **argv);
andre@3: 
andre@3: #if defined(WIN32) && defined(UNICODE)
andre@3: 
andre@3: /** @brief Unicode entry point.
andre@3:  *
andre@3:  * Converts arguments to UTF-8 and executes the real
andre@3:  * entry point realMain.
andre@3:  */
andre@3: int wmain(int argc, wchar_t **argv, wchar_t **envp)
andre@3: {
andre@3:     char **utf8args = NULL;
andre@3: 
andre@3:     utf8args = (char**) xmalloc0 ((argc + 1) * sizeof(char*));
andre@3: 
andre@3:     for (int i = 0; i < argc; i++) {
andre@3:         utf8args[i] = wchar_to_utf8(argv[i], wcslen(argv[i]));
andre@3:         if (utf8args[i] == NULL) {
andre@3:             printf ("Fatal: could not convert arguments to UTF-8.\n");
andre@3:             exit(-1);
andre@3:         }
andre@3:     }
andre@3:     int ret = realMain(argc, utf8args);
andre@3:     strv_free(utf8args);
andre@3: 
andre@3:     return ret;
andre@3: }
andre@3: #else
andre@3: int main(int argc, char **argv)
andre@3: {
andre@3:     return realMain(argc, argv);
andre@3: }
andre@3: #endif
andre@3: 
andre@3: /** @brief The real entry point to the application.
andre@3:  *
andre@3:  * @param [in] argc the count of the arguments.
andre@3:  * @param [in] argv On GNU/Linux this function expects argv to be in the
andre@3:  * native system encoding. On Windows the arguments
andre@3:  * shall be UTF-8
andre@3:  *
andre@3:  * @returns 0 on success an error code otherwise. */
andre@3: int realMain(int argc, char **argv)
andre@3: {
andre@23:     /* QApplication setup */
andre@23:     QApplication app (argc, argv);
andre@23:     QApplication::setOrganizationName(QStringLiteral(APPNAME));
andre@23:     QApplication::setApplicationName(QStringLiteral(APPNAME));
andre@23:     QApplication::setApplicationVersion(QStringLiteral(VERSION));
andre@52:     QSettings::setDefaultFormat(QSettings::IniFormat);
andre@3: 
andre@3:     /* Setup translations */
andre@3:     QTranslator translator;
andre@3:     if (QLocale::system().name() == "C") {
andre@3:         /* Useful for testing / development as the primary target is german */
andre@3:         translator.load(":/l10n/main_de_DE");
andre@3:     } else {
andre@3:         translator.load(":/l10n/main_" + QLocale::system().name());
andre@3:     }
andre@3:     app.installTranslator(&translator);
andre@3: 
andre@3:     /* Parse the command line */
andre@3:     QCommandLineParser parser;
andre@3:     cconvert_options(parser);
andre@3: 
andre@52: #ifdef Q_OS_WIN
andre@52:     auto oldCodec = QTextCodec::codecForLocale();
andre@52:     QTextCodec::setCodecForLocale(QTextCodec::codecForName("UTF-8"));
andre@52: #endif
andre@3:     parser.process(app);
andre@52: #ifdef Q_OS_WIN
andre@52:     QTextCodec::setCodecForLocale(oldCodec);
andre@52: #endif
andre@3: 
andre@4:     g_debug = parser.isSet("debug");
andre@3:     g_default_msg_handler = qInstallMessageHandler(filterDebugOutput);
andre@3: 
andre@3: 
andre@3:     const QStringList args = parser.positionalArguments();
andre@3:     if (args.size() > 1) {
andre@3:         parser.showHelp(1);
andre@3:     }
andre@3: 
andre@3:     QString infile;
andre@3:     if (args.size()) {
andre@3:         infile = args.first();
andre@3:     }
andre@3: 
andre@50:     MainWindow *mainWin = Q_NULLPTR;
andre@50:     const QStringList outputs = parser.values("output");
andre@50:     const QString title = parser.value("title");
andre@50:     if (outputs.isEmpty() || title.isEmpty()) {
andre@50:         mainWin = new MainWindow();
andre@50:         mainWin->setTitle(title);
andre@52:         mainWin->setInputFile(infile);
andre@50:         mainWin->show();
andre@50:         app.exec();
andre@50:         delete mainWin;
andre@3:     } else {
andre@50:         Converter conv(infile, parser.values("output"),
andre@50:                        parser.value("title"));
andre@50: 
andre@50:         conv.start();
andre@50:         conv.wait();
andre@50:         const QStringList errors = conv.errors();
andre@50:         if (!errors.isEmpty()) {
andre@50:             Q_FOREACH (const QString err, errors) {
andre@50:                 qCritical() << err;
andre@50:             }
andre@50:             return 1;
andre@3:         }
andre@3:     }
andre@50:     return 0;
andre@3: }