Merged from trunk:

------------------------------------------------------------------------
r8179 | k1jt | 2017-10-23 14:41:11 +0100 (Mon, 23 Oct 2017) | 2 lines

Clarify some User Guide text about AP decoding.

------------------------------------------------------------------------
r8181 | k1jt | 2017-10-23 19:59:42 +0100 (Mon, 23 Oct 2017) | 2 lines

Clarify some wording of command-line startup options for wsjtx.

------------------------------------------------------------------------
r8183 | k1jt | 2017-10-24 18:47:05 +0100 (Tue, 24 Oct 2017) | 2 lines

Improve User Guide text on AP decoding.

------------------------------------------------------------------------
r8184 | k1jt | 2017-10-25 21:20:39 +0100 (Wed, 25 Oct 2017) | 2 lines

Make the "Controls" label slightly wider.

------------------------------------------------------------------------
r8185 | k1jt | 2017-10-25 21:21:48 +0100 (Wed, 25 Oct 2017) | 2 lines

Add a tip.

------------------------------------------------------------------------
r8186 | bsomervi | 2017-10-27 13:38:25 +0100 (Fri, 27 Oct 2017) | 5 lines

Add a contextual pop up menu to the wide graph

Initial button added is to set both Tx and Rx offset.

Tidied up encapsulation issue in CPlotter class.
------------------------------------------------------------------------

Bumped RC number.



git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx-1.8@8187 ab8295b8-cf94-4d9e-aec4-7959e3be5d79

Versions.cmake

@@ -2,5 +2,5 @@
 set (WSJTX_VERSION_MAJOR 1)
 set (WSJTX_VERSION_MINOR 8)
 set (WSJTX_VERSION_PATCH 0)
-set (WSJTX_RC 3)		 # release candidate number, comment out or zero for development versions
+set (WSJTX_RC 4)		 # release candidate number, comment out or zero for development versions
 set (WSJTX_VERSION_IS_RELEASE 0) # set to 1 for final release build

doc/user_guide/en/controls-functions-main-window.adoc

@@ -33,6 +33,10 @@ the original frequency.
 * *Erase* clears the right-hand decoded text window. 
 Double-clicking *Erase* clears both text windows.
 
+TIP: Right-clicking on either text window brings up a context menu
+with several options (including *Erase*) which operate on that window
+alone.
+
 * *Clear Avg* is present only in modes that support message averaging.
 It provides a way to erase the accumulating information, thus
 preparing to start a new average.

doc/user_guide/en/controls-functions-menus.adoc

@@ -27,8 +27,13 @@ configuration.  These settings will be restored whenever you select
 that configuration.
 
 As well as switching between configurations while running _WSJT-X_ you
-can also start the application in any configuration by using the
+can also start the application from the command line in any desired
-`--config <configuration-name>` command line option (`-c` for short).
+configuration.  Use the command-line option
+`--config <configuration-name>`, or `-c` for short, as in these
+examples for configurations `FT8` and `Echo`:
+
+ wsjtx --config FT8
+ wsjtx -c Echo
 
 [[VIEW_MENU]]
 ==== View Menu

doc/user_guide/en/controls-functions-messages.adoc

@@ -16,7 +16,7 @@ Tx sequence) by clicking on the circle under *Next*.
 * To change to a specified Tx message immediately during a
 transmission, click on a rectangular button under the *Now* label.
 Changing a Tx message in mid-stream will slightly reduce the chance of
-a correct decode, but it is usually OK if done in the first 10-15 s of
+a correct decode, but it is usually OK if done in the first 10-20% of
 a transmission.
 
 * All six Tx message fields are editable.  You can modify an

doc/user_guide/en/decoder_notes.adoc

@@ -1,34 +1,26 @@
 === AP Decoding
 
-With the QRA64 decoder Nico Palermo, IV3NWV, introduced a technique
+The _WSJT-X_ decoders for QRA64 and FT8 include optional procedures
-for decoding with the aid of information that naturally accumulates
+that use naturally accumulating information during a minimal QSO.
-during a minimal QSO.  This _a priori_ (AP) information can be
+This _a priori_ (AP) information increases sensitivity of the decoder
-used to increase the sensitivity of the decoder.
+by up to 4 dB, at the cost of a slightly higher rate of false decodes.
 
-When an operator decides to answer a CQ, he already knows his own
+For example: when you decide to answer a CQ, you already know your own
-callsign and that of his potential QSO partner.  He therefore knows
+callsign and that of your potential QSO partner.  The software
-what to expect for at least 56 of the 72 message bits in a
+therefore "`knows`" what to expect for 57 of the 72 message bits (28
-standard-format response to his call.  The _WSJT-X_ decoders for QRA64
+bits for each of two callsigns, 1 bit for message type) in the next
-and FT8 can use these and similar AP bits to decode messages
+received message.  The decoder's task can thus be reduced to
-containing them with higher sensitivity than otherwise possible.
+determining the remaining 15 bits of the message and ensuring that the
+resulting solution is reliable.
 
-We have implemented AP decoding in slightly different ways in QRA64
+AP decoding starts by setting AP bits to the hypothesized values, as
-and FT8.  To provide some explicit examples for users, we provide here
+if they had been received correctly.  We then determine whether the
-a brief description of the FT8 behavior.
+remaining message and parity bits are consistent with the hypothesized
-
+AP bits, with a specified level of confidence.  Successful AP decodes
-AP decoding attempts effectively set the AP bits to the hypothesized
+are labeled with an end-of-line indicator of the form `aP`, where `P`
-values, as if they had been received correctly.  The decoder then
+is one of the single-digit AP decoding types listed in Table 1.  For
-proceeds to determine whether the remaining message and parity bits
+example, `a2` indicates that the successful decode used MyCall as
-are consistent with the hypothesized AP bits.  If a codeword is found
+hypothetically known information.
-that the decoder judges to have high (but not overwhelmingly high)
-probability of being correct, a ? character is appended when the
-decoded message is displayed.  To avoid misleading spots of occasional 
-false decodes, messages so marked are not forwarded to {pskreporter}.
-
-Successful AP decodes are always labeled with an end-of-line indicator
-of the form aP, where P is one of the single-digit AP decoding types
-listed in Table 1.  For example, an `a2` designator says that the
-successful decode used MyCall as hypothetically known information.
 
 [[AP_INFO_TABLE]]
 .AP information types
@@ -43,6 +35,12 @@ successful decode used MyCall as hypothetically known information.
 |6 | MyCall DxCall RR73
 |===============================================
 
+If a codeword is found that is judged to have high (but not
+overwhelmingly high) probability of being correct, a `?` character is
+appended when the decoded message is displayed.  To avoid misleading
+spots of occasional false decodes, messages so marked are not
+forwarded to {pskreporter}.
+
 Table 2 lists the six possible QSO states that are tracked by the
 _WSJT-X_ auto-sequencer, along with the type of AP decoding that would
 be attempted in each state.

plotter.cpp

@@ -10,6 +10,7 @@
 
 CPlotter::CPlotter(QWidget *parent) :                  //CPlotter Constructor
   QFrame {parent},
+  m_set_freq_action {new QAction {tr ("&Set Rx && Tx Offset"), this}},
   m_bScaleOK {false},
   m_bReference {false},
   m_bReference0 {false},
@@ -42,6 +43,19 @@ CPlotter::CPlotter(QWidget *parent) :                  //CPlotter Constructor
   setAutoFillBackground(false);
   setAttribute(Qt::WA_OpaquePaintEvent, false);
   setAttribute(Qt::WA_NoSystemBackground, true);
+
+  // contextual pop up menu
+  setContextMenuPolicy (Qt::CustomContextMenu);
+  connect (this, &QWidget::customContextMenuRequested, [this] (QPoint const& pos) {
+      QMenu menu {this};
+      menu.addAction (m_set_freq_action);
+      auto const& connection = connect (m_set_freq_action, &QAction::triggered, [this, pos] () {
+          int newFreq = FreqfromX (pos.x ()) + .5;
+          emit setFreq1 (newFreq, newFreq);
+        });
+      menu.exec (mapToGlobal (pos));
+      disconnect (connection);
+    });
 }
 
 CPlotter::~CPlotter() { }                                      // Destructor
@@ -629,8 +643,9 @@ void CPlotter::setRxFreq (int x)                               //setRxFreq
 
 int CPlotter::rxFreq() {return m_rxFreq;}                      //rxFreq
 
-void CPlotter::mousePressEvent(QMouseEvent *event)             //mousePressEvent
+void CPlotter::mouseReleaseEvent (QMouseEvent * event)
 {
+  if (Qt::LeftButton == event->button ()) {
     int x=event->x();
     if(x<0) x=0;
     if(x>m_Size.width()) x=m_Size.width();
@@ -651,14 +666,23 @@ void CPlotter::mousePressEvent(QMouseEvent *event)             //mousePressEvent
     if(ctrl) n+=100;
     emit freezeDecode1(n);
   }
+  else {
+    event->ignore ();           // let parent handle
+  }
+}
 
-void CPlotter::mouseDoubleClickEvent(QMouseEvent *event)          //mouse2click
+void CPlotter::mouseDoubleClickEvent (QMouseEvent * event)
 {
+  if (Qt::LeftButton == event->button ()) {
     bool ctrl = (event->modifiers() & Qt::ControlModifier);
     int n=2;
     if(ctrl) n+=100;
     emit freezeDecode1(n);
   }
+  else {
+    event->ignore ();           // let parent handle
+  }
+}
 
 void CPlotter::setNsps(int ntrperiod, int nsps)                    //setNsps
 {

plotter.h

@@ -23,9 +23,11 @@
 
 extern bool g_single_decode;
 
+class QAction;
+
 class CPlotter : public QFrame
 {
-  Q_OBJECT;
+  Q_OBJECT
 
 public:
   explicit CPlotter(QWidget *parent = 0);
@@ -33,7 +35,6 @@ public:
 
   QSize minimumSizeHint() const;
   QSize sizeHint() const;
-  bool    m_bScaleOK;
 
   void draw(float swide[], bool bScroll, bool bRed);		//Update the waterfall
   void SetRunningState(bool running);
@@ -84,15 +85,17 @@ public:
   void drawRed(int ia, int ib, float swide[]);
   void setVHF(bool bVHF);
   void setRedFile(QString fRed);
-
+  bool scaleOK () const {return m_bScaleOK;}
 signals:
   void freezeDecode1(int n);
   void setFreq1(int rxFreq, int txFreq);
 
 protected:
   //re-implemented widget event handlers
-  void paintEvent(QPaintEvent *event);
+  void paintEvent(QPaintEvent *event) override;
-  void resizeEvent(QResizeEvent* event);
+  void resizeEvent(QResizeEvent* event) override;
+  void mouseReleaseEvent (QMouseEvent * event) override;
+  void mouseDoubleClickEvent (QMouseEvent * event) override;
 
 private:
 
@@ -100,6 +103,9 @@ private:
   int XfromFreq(float f);
   float FreqfromX(int x);
 
+  QAction * m_set_freq_action;
+
+  bool    m_bScaleOK;
   bool    m_bCurrent;
   bool    m_bCumulative;
   bool    m_bLinearAvg;
@@ -166,10 +172,6 @@ private:
   qint32  m_tol;
 
   char    m_sutc[6];
-
-private slots:
-  void mousePressEvent(QMouseEvent *event);
-  void mouseDoubleClickEvent(QMouseEvent *event);
 };
 
 extern QVector<QColor> g_ColorTbl;

widegraph.cpp

@@ -322,7 +322,7 @@ void WideGraph::on_spec2dComboBox_currentIndexChanged(const QString &arg1)
   if(arg1=="Reference") {
     ui->widePlot->setReference(true);
   }
-  if(ui->widePlot->m_bScaleOK) ui->widePlot->draw(swide,false,false);
+  if(ui->widePlot->scaleOK ()) ui->widePlot->draw(swide,false,false);
 }
 
 void WideGraph::on_fSplitSpinBox_valueChanged(int n)              //fSplit
@@ -454,7 +454,7 @@ void WideGraph::on_zeroSlider_valueChanged(int value)                 //Zero
 void WideGraph::on_gain2dSlider_valueChanged(int value)               //Gain2
 {
   ui->widePlot->setPlot2dGain(value);
-  if(ui->widePlot->m_bScaleOK) {
+  if(ui->widePlot->scaleOK ()) {
     ui->widePlot->draw(swide,false,false);
     if(m_mode=="QRA64") ui->widePlot->draw(swide,false,true);
   }
@@ -463,7 +463,7 @@ void WideGraph::on_gain2dSlider_valueChanged(int value)               //Gain2
 void WideGraph::on_zero2dSlider_valueChanged(int value)               //Zero2
 {
   ui->widePlot->setPlot2dZero(value);
-  if(ui->widePlot->m_bScaleOK) {
+  if(ui->widePlot->scaleOK ()) {
     ui->widePlot->draw(swide,false,false);
     if(m_mode=="QRA64") ui->widePlot->draw(swide,false,true);
   }

widegraph.ui

@@ -60,7 +60,7 @@
        <rect>
         <x>5</x>
         <y>0</y>
-        <width>63</width>
+        <width>77</width>
         <height>17</height>
        </rect>
       </property>