Added warning message with a timeout for automatic band switching

CMakeLists.txt

@@ -304,6 +304,7 @@ set (wsjtx_CXXSRCS
   messageaveraging.cpp
   WsprTxScheduler.cpp
   varicode.cpp
+  SelfDestructMessageBox.cpp
   mainwindow.cpp
   Configuration.cpp
   main.cpp

SelfDestructMessageBox.cpp

@@ -0,0 +1,40 @@
+#include "SelfDestructMessageBox.h"
+
+SelfDestructMessageBox::SelfDestructMessageBox(
+        int timeout,
+        const QString& title,
+        const QString& text,
+        QMessageBox::Icon icon,
+        QMessageBox::StandardButtons buttons,
+        QMessageBox::StandardButton defaultButton,
+        QWidget* parent,
+        Qt::WindowFlags flags)
+  : QMessageBox(icon, title, text, buttons, parent, flags),
+    m_timeout(timeout),
+    m_text(text)
+{
+    connect(&m_timer, &QTimer::timeout, this, &SelfDestructMessageBox::tick);
+    m_timer.setInterval(1000);
+
+    setDefaultButton(defaultButton);
+    connect(this->defaultButton(), &QPushButton::clicked, this, &SelfDestructMessageBox::accept);
+}
+
+void SelfDestructMessageBox::showEvent(QShowEvent* event)
+{
+    tick();
+    m_timer.start();
+    QMessageBox::showEvent(event);
+}
+
+void SelfDestructMessageBox::tick(){
+    m_timeout--;
+
+    if(m_timeout){
+        setText(m_text.arg(m_timeout));
+        return;
+    }
+
+    m_timer.stop();
+    accept();
+}

SelfDestructMessageBox.h

@@ -0,0 +1,35 @@
+#ifndef SELFDESTRUCTMESSAGEBOX_H
+#define SELFDESTRUCTMESSAGEBOX_H
+
+#include <QWidget>
+#include <QMessageBox>
+#include <QPushButton>
+#include <QString>
+#include <QTimer>
+
+class SelfDestructMessageBox : public QMessageBox
+{
+    Q_OBJECT
+
+public:
+    SelfDestructMessageBox(int timeout,
+                           const QString& title,
+                           const QString& text,
+                           QMessageBox::Icon icon,
+                           QMessageBox::StandardButtons buttons = QMessageBox::Ok | QMessageBox::Cancel,
+                           QMessageBox::StandardButton defaultButton = QMessageBox::Ok,
+                           QWidget* parent = nullptr,
+                           Qt::WindowFlags flags = 0);
+
+    void showEvent(QShowEvent* event) override;
+
+private slots:
+    void tick();
+
+private:
+    int m_timeout;
+    QString m_text;
+    QTimer m_timer;
+};
+
+#endif // SELFDESTRUCTMESSAGEBOX_H

mainwindow.cpp

@@ -58,6 +58,7 @@
 #include "MaidenheadLocatorValidator.hpp"
 #include "CallsignValidator.hpp"
 #include "EqualizationToolsDialog.hpp"
+#include "SelfDestructMessageBox.h"
 
 #include "ui_mainwindow.h"
 #include "moc_mainwindow.cpp"
@@ -1336,6 +1337,11 @@ void MainWindow::tryBandHop(){
       return;
   }
 
+  // make sure we're not transmitting
+  if(isMessageQueuedForTransmit()){
+      return;
+  }
+
   // get the current band
   auto dialFreq = dialFrequency();
 
@@ -1382,21 +1388,43 @@ void MainWindow::tryBandHop(){
         freqIsDifferent
       );
 
-      //qDebug() << "Can switch to" << station.band_name_ << "=" << canSwitch << station.switch_at_.time().toString("hh:mm") << "<=" << d.time().toString("hh:mm") << "<=" << station.switch_until_.time().toString("hh:mm") << m_bandHopped << m_bandHoppedFreq;
-
       // switch, if we can and the band is different than our current band
       if(canSwitch){
+          Frequency frequency = station.frequency_;
 
-          qDebug() << "Automatic band hop from" << currentBand << "to" << station.band_name_ << "at" << Radio::frequency_MHz_string(station.frequency_);
+          m_bandHopped = false;
+          m_bandHoppedFreq = frequency;
 
-          // cache the frequency set by bandHop...
-          m_bandHopped = true;
-          m_bandHoppedFreq = station.frequency_;
+          SelfDestructMessageBox * m = new SelfDestructMessageBox(30,
+            "Scheduled Frequency Change",
+            QString("A scheduled frequency change has arrived. The rig frequency will be changed to %1 MHz in %2 second(s).").arg(Radio::frequency_MHz_string(station.frequency_)),
+            QMessageBox::Information,
+            QMessageBox::Ok | QMessageBox::Cancel,
+            QMessageBox::Ok,
+            this);
 
-          // TODO: jsherer - is this the right way to switch the rig freq?
-          setRig(station.frequency_);
+          connect(m, &SelfDestructMessageBox::accepted, this, [this, frequency](){
+              m_bandHopped = true;
+              setRig(frequency);
+          });
 
-          break;
+          m->show();
+
+#if 0
+          // TODO: jsherer - this is totally a hack because of the signal that gets emitted to clearActivity on band change...
+          QTimer *t = new QTimer(this);
+          t->setInterval(250);
+          t->setSingleShot(true);
+          connect(t, &QTimer::timeout, this, [this, station, dialFreq](){
+              auto message = QString("Scheduled frequency switch from %1 MHz to %2 MHz");
+              message = message.arg(Radio::frequency_MHz_string(dialFreq));
+              message = message.arg(Radio::frequency_MHz_string(station.frequency_));
+              writeNoticeTextToUI(QDateTime::currentDateTimeUtc(), message);
+          });
+          t->start();
+#endif
+
+          return;
       }
   }
 }
@@ -5705,6 +5733,24 @@ void MainWindow::displayTextForFreq(QString text, int freq, QDateTime date, bool
     }
 }
 
+void MainWindow::writeNoticeTextToUI(QDateTime date, QString text){
+    auto c = ui->textEditRX->textCursor();
+    c.movePosition(QTextCursor::End);
+    if(c.block().length() > 1){
+        c.insertBlock();
+    }
+
+    text = text.toHtmlEscaped();
+    c.insertBlock();
+    c.insertHtml(QString("<strong>%1 - %2</strong>").arg(date.time().toString()).arg(text));
+
+    c.movePosition(QTextCursor::End);
+
+    ui->textEditRX->ensureCursorVisible();
+    ui->textEditRX->verticalScrollBar()->setValue(ui->textEditRX->verticalScrollBar()->maximum());
+}
+
+
 int MainWindow::writeMessageTextToUI(QDateTime date, QString text, int freq, bool bold, int block){
     auto c = ui->textEditRX->textCursor();
 

mainwindow.h

@@ -134,6 +134,7 @@ public slots:
   QString lookupCallInCompoundCache(QString const &call);
   void clearActivity();
   void displayTextForFreq(QString text, int freq, QDateTime date, bool isTx, bool isNewLine, bool isLast);
+  void writeNoticeTextToUI(QDateTime date, QString text);
   int writeMessageTextToUI(QDateTime date, QString text, int freq, bool bold, int block=-1);
   bool isMessageQueuedForTransmit();
   void addMessageText(QString text, bool clear=false);

wsjtx.pro

@@ -70,7 +70,8 @@ SOURCES += \
   EqualizationToolsDialog.cpp \
     varicode.cpp \
     NetworkMessage.cpp \
-    MessageClient.cpp
+    MessageClient.cpp \
+    SelfDestructMessageBox.cpp
 
 HEADERS  += qt_helpers.hpp \
   pimpl_h.hpp pimpl_impl.hpp \
@@ -92,7 +93,8 @@ HEADERS  += qt_helpers.hpp \
     qpriorityqueue.h \
     crc.h \
     NetworkMessage.hpp \
-    MessageClient.hpp
+    MessageClient.hpp \
+    SelfDestructMessageBox.h
 
 
 INCLUDEPATH += qmake_only