Send message on enter key press

mainwindow.cpp

@@ -1032,6 +1032,13 @@ MainWindow::MainWindow(QDir const& temp_directory, bool multiple,
 
   ui->spotButton->setChecked(m_config.spot_to_psk_reporter());
 
+  auto enterFilter = new EnterKeyPressEater();
+  connect(enterFilter, &EnterKeyPressEater::enterKeyPressed, this, [this](QKeyEvent *, QObject *){
+      qDebug() << "the enter key was pressed";
+      this->toggleTx(true);
+  });
+  ui->extFreeTextMsgEdit->installEventFilter(enterFilter);
+
   auto clearActionSep = new QAction(nullptr);
   clearActionSep->setSeparator(true);
 
@@ -5489,6 +5496,8 @@ void MainWindow::resetMessageUI(){
     ui->nextFreeTextMsg->clear();
     ui->extFreeTextMsg->clear();
     ui->extFreeTextMsgEdit->clear();
+    ui->extFreeTextMsgEdit->setReadOnly(false);
+    update_dynamic_property (ui->extFreeTextMsgEdit, "transmitting", false);
 
     if(ui->startTxButton->isChecked()){
         ui->startTxButton->setChecked(false);

mainwindow.h

@@ -845,6 +845,27 @@ protected:
     }
 };
 
+class EnterKeyPressEater : public QObject
+{
+    Q_OBJECT
+protected:
+    bool eventFilter(QObject *obj, QEvent *event){
+        if (event->type() == QEvent::KeyPress) {
+            QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+            if(keyEvent->key() == Qt::Key_Enter || keyEvent->key() == Qt::Key_Return){
+                emit this->enterKeyPressed(keyEvent, obj);
+                return true;
+            }
+        }
+
+        // standard event processing
+        return QObject::eventFilter(obj, event);
+    }
+
+public:
+    Q_SIGNAL void enterKeyPressed(QKeyEvent *evt, QObject *obj);
+};
+
 extern int killbyname(const char* progName);
 extern void getDev(int* numDevices,char hostAPI_DeviceName[][50],
                    int minChan[], int maxChan[],