From fc8811176ecacfeeac9f84ef5aa563c3bda0473d Mon Sep 17 00:00:00 2001
From: Joe Taylor <k1jt@arrl.org>
Date: Thu, 15 Sep 2016 18:37:44 +0000
Subject: [PATCH] Display cursor location (in seconds) on the Fast Graph.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7086 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
---
 fastplot.cpp | 19 +++++++++++++++++++
 fastplot.h   |  2 ++
 2 files changed, 21 insertions(+)

diff --git a/fastplot.cpp b/fastplot.cpp
index 51e5be02e..52ddf65c1 100644
--- a/fastplot.cpp
+++ b/fastplot.cpp
@@ -34,6 +34,7 @@ FPlotter::FPlotter(QWidget *parent) :                  //FPlotter Constructor
   m_ScalePixmap.fill(Qt::white);
   drawScale();
   draw();
+  setMouseTracking(true);
 }
 
 FPlotter::~FPlotter() { }                                      // Destructor
@@ -211,6 +212,24 @@ void FPlotter::draw()                                         //draw()
   update();                                             //trigger a new paintEvent
 }
 
+void FPlotter::mouseMoveEvent(QMouseEvent *event)
+{
+  QPainter painter(&m_HorizPixmap);
+  int x=event->x();
+//  int y=event->y();
+  float t=x/m_pixPerSecond;
+  QString t1;
+  t1.sprintf("%4.1f",t);
+  if(m_t1.length()==4) {
+    painter.setPen(Qt::black);
+    painter.drawText (380,90,m_t1);
+  }
+  painter.setPen(Qt::yellow);
+  painter.drawText (380,90,t1);
+  update();
+  m_t1=t1;
+}
+
 void FPlotter::mousePressEvent(QMouseEvent *event)      //mousePressEvent
 {
   int x=event->x();
diff --git a/fastplot.h b/fastplot.h
index 988015b01..e18c4d129 100644
--- a/fastplot.h
+++ b/fastplot.h
@@ -45,6 +45,7 @@ protected:
 
 private slots:
   void mousePressEvent(QMouseEvent *event);
+  void mouseMoveEvent(QMouseEvent *event);
 
 private:
 
@@ -57,6 +58,7 @@ private:
   QString m_HDivText[483];
   QString m_t;
   QString m_t0;
+  QString m_t1;
 
   double  m_pixPerSecond;