fix: export crash on null container and dialog window titles

Author: hello-adam

src/hobbits-gui/mainwindow.cpp

@@ -736,6 +736,7 @@ void MainWindow::requestExportRun(QString pluginName, QJsonObject pluginState)
 {
     if (currContainer().isNull()) {
         warningMessage("Cannot export without a selected bit container");
+        return;
     }
     QSharedPointer<ImportExportInterface> plugin = m_pluginManager->getImporterExporter(pluginName);
     auto result = plugin->exportBits(currContainer(), pluginState, this);

src/hobbits-plugins/importerexporters/HexString/hexstringimporter.cpp

@@ -9,6 +9,8 @@ HexStringImporter::HexStringImporter(QWidget *parent) :
     ui(new Ui::HexStringImporter)
 {
     ui->setupUi(this);
+
+    setWindowTitle("Import Hex String");
 }
 
 HexStringImporter::~HexStringImporter()

src/hobbits-plugins/importerexporters/TcpData/tcpreceiver.cpp

@@ -12,6 +12,8 @@ TcpReceiver::TcpReceiver(QWidget *parent) :
     connect(m_server, &QTcpServer::newConnection, this, &TcpReceiver::manageConnection);
     m_downloadFile.open();
 
+    setWindowTitle("Import via TCP");
+
     ui->pb_stop->setEnabled(false);
 }
 

src/hobbits-plugins/importerexporters/TcpData/tcpsender.cpp

@@ -12,6 +12,8 @@ TcpSender::TcpSender(QSharedPointer<const BitArray> bits, QWidget *parent) :
     ui->pb_cancel->setEnabled(false);
 
     connect(m_socket.data(), &QTcpSocket::bytesWritten, this, &TcpSender::writeNextChunk);
+
+    setWindowTitle("Export via TCP");
 }
 
 TcpSender::~TcpSender()