mirror of https://github.com/saitohirga/WSJT-X.git
312 lines
11 KiB
C++
312 lines
11 KiB
C++
#include <iostream>
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#include <exception>
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#include <stdexcept>
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#include <string>
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#include <locale.h>
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#include <QDateTime>
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#include <QApplication>
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#include <QNetworkAccessManager>
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#include <QRegularExpression>
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#include <QObject>
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#include <QSettings>
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#include <QLibraryInfo>
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#include <QSysInfo>
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#include <QDir>
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#include <QStandardPaths>
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#include <QStringList>
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#include <QMessageBox>
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#include <QLockFile>
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#include <QStack>
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#if QT_VERSION >= 0x050200
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#include <QCommandLineParser>
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#include <QCommandLineOption>
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#endif
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#include "revision_utils.hpp"
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#include "MetaDataRegistry.hpp"
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#include "SettingsGroup.hpp"
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#include "TraceFile.hpp"
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#include "MultiSettings.hpp"
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#include "mainwindow.h"
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#include "commons.h"
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#include "lib/init_random_seed.h"
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#include "Radio.hpp"
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#include "FrequencyList.hpp"
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namespace
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{
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struct RNGSetup
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{
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RNGSetup ()
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{
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// one time seed of pseudo RNGs from current time
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auto seed = QDateTime::currentMSecsSinceEpoch ();
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qsrand (seed); // this is good for rand() as well
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}
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} seeding;
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class MessageTimestamper
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{
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public:
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MessageTimestamper ()
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{
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prior_handlers_.push (qInstallMessageHandler (message_handler));
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}
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~MessageTimestamper ()
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{
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if (prior_handlers_.size ()) qInstallMessageHandler (prior_handlers_.pop ());
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}
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private:
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static void message_handler (QtMsgType type, QMessageLogContext const& context, QString const& msg)
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{
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QtMessageHandler handler {prior_handlers_.top ()};
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if (handler)
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{
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handler (type, context,
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QDateTime::currentDateTimeUtc ().toString ("yy-MM-ddTHH:mm:ss.zzzZ: ") + msg);
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}
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}
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static QStack<QtMessageHandler> prior_handlers_;
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};
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QStack<QtMessageHandler> MessageTimestamper::prior_handlers_;
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}
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int main(int argc, char *argv[])
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{
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// Add timestamps to all debug messages
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MessageTimestamper message_timestamper;
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init_random_seed ();
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// make the Qt type magic happen
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Radio::register_types ();
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register_types ();
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// Multiple instances communicate with jt9 via this
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QSharedMemory mem_jt9;
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QApplication a(argc, argv);
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try
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{
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setlocale (LC_NUMERIC, "C"); // ensure number forms are in
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// consistent format, do this after
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// instantiating QApplication so
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// that GUI has correct l18n
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// Override programs executable basename as application name.
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a.setApplicationName ("WSJT-X");
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a.setApplicationVersion (version ());
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bool multiple {false};
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#if QT_VERSION >= 0x050200
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QCommandLineParser parser;
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parser.setApplicationDescription ("\nJT65A & JT9 Weak Signal Communications Program.");
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auto help_option = parser.addHelpOption ();
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auto version_option = parser.addVersionOption ();
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// support for multiple instances running from a single installation
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QCommandLineOption rig_option (QStringList {} << "r" << "rig-name"
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, a.translate ("main", "Where <rig-name> is for multi-instance support.")
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, a.translate ("main", "rig-name"));
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parser.addOption (rig_option);
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QCommandLineOption test_option (QStringList {} << "test-mode"
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, a.translate ("main", "Writable files in test location. Use with caution, for testing only."));
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parser.addOption (test_option);
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if (!parser.parse (a.arguments ()))
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{
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QMessageBox::critical (nullptr, a.applicationName (), parser.errorText ());
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return -1;
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}
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else
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{
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if (parser.isSet (help_option))
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{
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QMessageBox::information (nullptr, a.applicationName (), parser.helpText ());
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return 0;
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}
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else if (parser.isSet (version_option))
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{
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QMessageBox::information (nullptr, a.applicationName (), a.applicationVersion ());
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return 0;
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}
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}
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QStandardPaths::setTestModeEnabled (parser.isSet (test_option));
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// support for multiple instances running from a single installation
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if (parser.isSet (rig_option) || parser.isSet (test_option))
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{
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auto temp_name = parser.value (rig_option);
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if (!temp_name.isEmpty ())
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{
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if (temp_name.contains (QRegularExpression {R"([\\/,])"}))
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{
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std::cerr << QObject::tr ("Invalid rig name - \\ & / not allowed").toLocal8Bit ().data () << std::endl;
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parser.showHelp (-1);
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}
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a.setApplicationName (a.applicationName () + " - " + temp_name);
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}
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if (parser.isSet (test_option))
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{
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a.setApplicationName (a.applicationName () + " - test");
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}
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multiple = true;
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}
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// find the temporary files path
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QDir temp_dir {QStandardPaths::writableLocation (QStandardPaths::TempLocation)};
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Q_ASSERT (temp_dir.exists ()); // sanity check
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// disallow multiple instances with same instance key
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QLockFile instance_lock {temp_dir.absoluteFilePath (a.applicationName () + ".lock")};
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instance_lock.setStaleLockTime (0);
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bool lock_ok {false};
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while (!(lock_ok = instance_lock.tryLock ()))
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{
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if (QLockFile::LockFailedError == instance_lock.error ())
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{
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auto button = QMessageBox::question (nullptr
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, QApplication::applicationName ()
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, QObject::tr ("Another instance may be running, try to remove stale lock file?")
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, QMessageBox::Yes | QMessageBox::Retry | QMessageBox::No
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, QMessageBox::Yes);
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switch (button)
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{
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case QMessageBox::Yes:
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instance_lock.removeStaleLockFile ();
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break;
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case QMessageBox::Retry:
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break;
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default:
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throw std::runtime_error {"Multiple instances must have unique rig names"};
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}
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}
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}
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#endif
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#if WSJT_QDEBUG_TO_FILE
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// Open a trace file
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TraceFile trace_file {temp_dir.absoluteFilePath (a.applicationName () + "_trace.log")};
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qDebug () << program_title (revision ()) + " - Program startup";
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#endif
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// Create a unique writeable temporary directory in a suitable location
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bool temp_ok {false};
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QString unique_directory {QApplication::applicationName ()};
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do
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{
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if (!temp_dir.mkpath (unique_directory)
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|| !temp_dir.cd (unique_directory))
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{
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QMessageBox::critical (nullptr,
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"WSJT-X",
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QObject::tr ("Create temporary directory error: ") + temp_dir.absolutePath ());
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throw std::runtime_error {"Failed to create a temporary directory"};
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}
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if (!temp_dir.isReadable () || !(temp_ok = QTemporaryFile {temp_dir.absoluteFilePath ("test")}.open ()))
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{
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if (QMessageBox::Cancel == QMessageBox::critical (nullptr,
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"WSJT-X",
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QObject::tr ("Create temporary directory error:\n%1\n"
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"Another application may be locking the directory").arg (temp_dir.absolutePath ()),
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QMessageBox::Retry | QMessageBox::Cancel))
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{
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throw std::runtime_error {"Failed to create a usable temporary directory"};
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}
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temp_dir.cdUp (); // revert to parent as this one is no good
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}
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}
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while (!temp_ok);
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MultiSettings multi_settings;
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int result;
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do
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{
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#if WSJT_QDEBUG_TO_FILE
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// announce to trace file and dump settings
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qDebug () << "++++++++++++++++++++++++++++ Settings ++++++++++++++++++++++++++++";
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for (auto const& key: multi_settings.settings ()->allKeys ())
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{
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auto const& value = multi_settings.settings ()->value (key);
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if (value.canConvert<QVariantList> ())
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{
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auto const sequence = value.value<QSequentialIterable> ();
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qDebug ().nospace () << key << ": ";
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for (auto const& item: sequence)
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{
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qDebug ().nospace () << '\t' << item;
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}
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}
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else
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{
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qDebug ().nospace () << key << ": " << value;
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}
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}
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qDebug () << "---------------------------- Settings ----------------------------";
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#endif
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// Create and initialize shared memory segment
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// Multiple instances: use rig_name as shared memory key
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mem_jt9.setKey(a.applicationName ());
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if(!mem_jt9.attach()) {
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if (!mem_jt9.create(sizeof(struct dec_data))) {
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QMessageBox::critical (nullptr, "Error", "Unable to create shared memory segment.");
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exit(1);
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}
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}
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memset(mem_jt9.data(),0,sizeof(struct dec_data)); //Zero all decoding params in shared memory
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unsigned downSampleFactor;
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{
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SettingsGroup {multi_settings.settings (), "Tune"};
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// deal with Windows Vista and earlier input audio rate
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// converter problems
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downSampleFactor = multi_settings.settings ()->value ("Audio/DisableInputResampling",
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#if defined (Q_OS_WIN)
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// default to true for
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// Windows Vista and older
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QSysInfo::WV_VISTA >= QSysInfo::WindowsVersion ? true : false
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#else
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false
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#endif
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).toBool () ? 1u : 4u;
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}
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// run the application UI
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MainWindow w(temp_dir, multiple, &multi_settings, &mem_jt9, downSampleFactor, new QNetworkAccessManager {&a});
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w.show();
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QObject::connect (&a, SIGNAL (lastWindowClosed()), &a, SLOT (quit()));
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result = a.exec();
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}
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while (!result && !multi_settings.exit ());
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temp_dir.removeRecursively (); // clean up temp files
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return result;
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}
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catch (std::exception const& e)
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{
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QMessageBox::critical (nullptr, a.applicationName (), e.what ());
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std::cerr << "Error: " << e.what () << '\n';
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}
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catch (...)
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{
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QMessageBox::critical (nullptr, a.applicationName (), QObject::tr ("Unexpected error"));
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std::cerr << "Unexpected error\n";
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throw; // hoping the runtime might tell us more about the exception
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}
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return -1;
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}
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