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[Commit-gnuradio] [gnuradio] 01/02: qtgui: updating how freq message por


From: git
Subject: [Commit-gnuradio] [gnuradio] 01/02: qtgui: updating how freq message ports work.
Date: Mon, 7 Jul 2014 14:55:28 +0000 (UTC)

This is an automated email from the git hooks/post-receive script.

trondeau pushed a commit to branch master
in repository gnuradio.

commit eceee28baeed6ee0bdcb66f36992c2a5851ff3bd
Author: Tom Rondeau <address@hidden>
Date:   Mon Jul 7 10:38:47 2014 -0400

    qtgui: updating how freq message ports work.
    
    Use absolte frequencies relative to sample rate and center freq.
    
    Double-click does not retune, just sends message. Feedback to input freq 
can be used to retune.
---
 gr-qtgui/include/gnuradio/qtgui/freq_sink_c.h      | 14 +++++++++-----
 gr-qtgui/include/gnuradio/qtgui/freq_sink_f.h      | 14 +++++++++-----
 gr-qtgui/include/gnuradio/qtgui/sink_c.h           | 14 +++++++++-----
 gr-qtgui/include/gnuradio/qtgui/sink_f.h           | 15 ++++++++++-----
 gr-qtgui/include/gnuradio/qtgui/waterfall_sink_c.h | 14 +++++++++-----
 gr-qtgui/include/gnuradio/qtgui/waterfall_sink_f.h | 14 +++++++++-----
 gr-qtgui/lib/freq_sink_c_impl.cc                   | 10 ++++------
 gr-qtgui/lib/freq_sink_f_impl.cc                   | 10 ++++------
 gr-qtgui/lib/freqdisplayform.cc                    |  4 +---
 gr-qtgui/lib/sink_c_impl.cc                        | 11 +++++------
 gr-qtgui/lib/sink_c_impl.h                         |  2 +-
 gr-qtgui/lib/sink_f_impl.cc                        | 20 ++++++++++++++------
 gr-qtgui/lib/sink_f_impl.h                         |  3 ++-
 gr-qtgui/lib/spectrumdisplayform.cc                |  2 +-
 gr-qtgui/lib/waterfall_sink_c_impl.cc              | 10 ++++------
 gr-qtgui/lib/waterfall_sink_f_impl.cc              | 10 ++++------
 gr-qtgui/lib/waterfalldisplayform.cc               |  4 +---
 17 files changed, 96 insertions(+), 75 deletions(-)

diff --git a/gr-qtgui/include/gnuradio/qtgui/freq_sink_c.h 
b/gr-qtgui/include/gnuradio/qtgui/freq_sink_c.h
index d47b5e4..d02505c 100644
--- a/gr-qtgui/include/gnuradio/qtgui/freq_sink_c.h
+++ b/gr-qtgui/include/gnuradio/qtgui/freq_sink_c.h
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2012 Free Software Foundation, Inc.
+ * Copyright 2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -56,11 +56,15 @@ namespace gr {
      *
      * - freq (output):
      *        Produces a PMT pair with (intern("freq"), double(frequency).
-     *        When a user double-clicks on the display, the frequency
-     *        that the cursor is on is used to retune the x-axis scale
-     *        to recenter onto the clicked frequency. A message
-     *        containing the new frequency is also produced and can be
+     *        When a user double-clicks on the display, the block
+     *        produces and emits a message containing the frequency of
+     *        where on the x-axis the user clicked. This value can be
      *        used by other blocks to update their frequency setting.
+     *
+     *        To perform click-to-tune behavior, this output 'freq'
+     *        port can be redirected to this block's input 'freq' port
+     *        to catch the message and update the center frequency of
+     *        the display.
      */
     class QTGUI_API freq_sink_c : virtual public sync_block
     {
diff --git a/gr-qtgui/include/gnuradio/qtgui/freq_sink_f.h 
b/gr-qtgui/include/gnuradio/qtgui/freq_sink_f.h
index 98ac018..81f9c0c 100644
--- a/gr-qtgui/include/gnuradio/qtgui/freq_sink_f.h
+++ b/gr-qtgui/include/gnuradio/qtgui/freq_sink_f.h
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2012 Free Software Foundation, Inc.
+ * Copyright 2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -56,11 +56,15 @@ namespace gr {
      *
      * - freq (output):
      *        Produces a PMT pair with (intern("freq"), double(frequency).
-     *        When a user double-clicks on the display, the frequency
-     *        that the cursor is on is used to retune the x-axis scale
-     *        to recenter onto the clicked frequency. A message
-     *        containing the new frequency is also produced and can be
+     *        When a user double-clicks on the display, the block
+     *        produces and emits a message containing the frequency of
+     *        where on the x-axis the user clicked. This value can be
      *        used by other blocks to update their frequency setting.
+     *
+     *        To perform click-to-tune behavior, this output 'freq'
+     *        port can be redirected to this block's input 'freq' port
+     *        to catch the message and update the center frequency of
+     *        the display.
      */
     class QTGUI_API freq_sink_f : virtual public sync_block
     {
diff --git a/gr-qtgui/include/gnuradio/qtgui/sink_c.h 
b/gr-qtgui/include/gnuradio/qtgui/sink_c.h
index 74a9636..c1c8777 100644
--- a/gr-qtgui/include/gnuradio/qtgui/sink_c.h
+++ b/gr-qtgui/include/gnuradio/qtgui/sink_c.h
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2008,2009,2011,2012 Free Software Foundation, Inc.
+ * Copyright 2008,2009,2011,2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -57,11 +57,15 @@ namespace gr {
      *
      * - freq (output):
      *        Produces a PMT pair with (intern("freq"), double(frequency).
-     *        When a user double-clicks on the display, the frequency
-     *        that the cursor is on is used to retune the x-axis scale
-     *        to recenter onto the clicked frequency. A message
-     *        containing the new frequency is also produced and can be
+     *        When a user double-clicks on the display, the block
+     *        produces and emits a message containing the frequency of
+     *        where on the x-axis the user clicked. This value can be
      *        used by other blocks to update their frequency setting.
+     *
+     *        To perform click-to-tune behavior, this output 'freq'
+     *        port can be redirected to this block's input 'freq' port
+     *        to catch the message and update the center frequency of
+     *        the display.
      */
     class QTGUI_API sink_c : virtual public block
     {
diff --git a/gr-qtgui/include/gnuradio/qtgui/sink_f.h 
b/gr-qtgui/include/gnuradio/qtgui/sink_f.h
index a371171..32854ec 100644
--- a/gr-qtgui/include/gnuradio/qtgui/sink_f.h
+++ b/gr-qtgui/include/gnuradio/qtgui/sink_f.h
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2008,2009,2011,2012 Free Software Foundation, Inc.
+ * Copyright 2008,2009,2011,2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -57,11 +57,15 @@ namespace gr {
      *
      * - freq (output):
      *        Produces a PMT pair with (intern("freq"), double(frequency).
-     *        When a user double-clicks on the display, the frequency
-     *        that the cursor is on is used to retune the x-axis scale
-     *        to recenter onto the clicked frequency. A message
-     *        containing the new frequency is also produced and can be
+     *        When a user double-clicks on the display, the block
+     *        produces and emits a message containing the frequency of
+     *        where on the x-axis the user clicked. This value can be
      *        used by other blocks to update their frequency setting.
+     *
+     *        To perform click-to-tune behavior, this output 'freq'
+     *        port can be redirected to this block's input 'freq' port
+     *        to catch the message and update the center frequency of
+     *        the display.
      */
     class QTGUI_API sink_f : virtual public block
     {
@@ -105,6 +109,7 @@ namespace gr {
       virtual void set_frequency_range(const double centerfreq,
                                       const double bandwidth) = 0;
       virtual void set_fft_power_db(double min, double max) = 0;
+      virtual void enable_rf_freq(bool en) = 0;
 
       //void set_time_domain_axis(double min, double max);
       //void set_constellation_axis(double xmin, double xmax,
diff --git a/gr-qtgui/include/gnuradio/qtgui/waterfall_sink_c.h 
b/gr-qtgui/include/gnuradio/qtgui/waterfall_sink_c.h
index 657bbae..bf73db3 100644
--- a/gr-qtgui/include/gnuradio/qtgui/waterfall_sink_c.h
+++ b/gr-qtgui/include/gnuradio/qtgui/waterfall_sink_c.h
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2012 Free Software Foundation, Inc.
+ * Copyright 2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -62,11 +62,15 @@ namespace gr {
      *
      * - freq (output):
      *        Produces a PMT pair with (intern("freq"), double(frequency).
-     *        When a user double-clicks on the display, the frequency
-     *        that the cursor is on is used to retune the x-axis scale
-     *        to recenter onto the clicked frequency. A message
-     *        containing the new frequency is also produced and can be
+     *        When a user double-clicks on the display, the block
+     *        produces and emits a message containing the frequency of
+     *        where on the x-axis the user clicked. This value can be
      *        used by other blocks to update their frequency setting.
+     *
+     *        To perform click-to-tune behavior, this output 'freq'
+     *        port can be redirected to this block's input 'freq' port
+     *        to catch the message and update the center frequency of
+     *        the display.
      */
     class QTGUI_API waterfall_sink_c : virtual public sync_block
     {
diff --git a/gr-qtgui/include/gnuradio/qtgui/waterfall_sink_f.h 
b/gr-qtgui/include/gnuradio/qtgui/waterfall_sink_f.h
index c8fa9a0..bbfcc33 100644
--- a/gr-qtgui/include/gnuradio/qtgui/waterfall_sink_f.h
+++ b/gr-qtgui/include/gnuradio/qtgui/waterfall_sink_f.h
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2012 Free Software Foundation, Inc.
+ * Copyright 2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -62,11 +62,15 @@ namespace gr {
      *
      * - freq (output):
      *        Produces a PMT pair with (intern("freq"), double(frequency).
-     *        When a user double-clicks on the display, the frequency
-     *        that the cursor is on is used to retune the x-axis scale
-     *        to recenter onto the clicked frequency. A message
-     *        containing the new frequency is also produced and can be
+     *        When a user double-clicks on the display, the block
+     *        produces and emits a message containing the frequency of
+     *        where on the x-axis the user clicked. This value can be
      *        used by other blocks to update their frequency setting.
+     *
+     *        To perform click-to-tune behavior, this output 'freq'
+     *        port can be redirected to this block's input 'freq' port
+     *        to catch the message and update the center frequency of
+     *        the display.
      */
     class QTGUI_API waterfall_sink_f : virtual public sync_block
     {
diff --git a/gr-qtgui/lib/freq_sink_c_impl.cc b/gr-qtgui/lib/freq_sink_c_impl.cc
index 6e5822b..4b43967 100644
--- a/gr-qtgui/lib/freq_sink_c_impl.cc
+++ b/gr-qtgui/lib/freq_sink_c_impl.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2012 Free Software Foundation, Inc.
+ * Copyright 2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -470,11 +470,10 @@ namespace gr {
     freq_sink_c_impl::check_clicked()
     {
       if(d_main_gui->checkClicked()) {
-        d_center_freq = d_main_gui->getClickedFreq();
-        double norm_freq = d_center_freq / d_bandwidth;
+        double freq = d_main_gui->getClickedFreq();
         message_port_pub(pmt::mp("freq"),
                          pmt::cons(pmt::mp("freq"),
-                                   pmt::from_double(norm_freq)));
+                                   pmt::from_double(freq)));
       }
     }
 
@@ -484,8 +483,7 @@ namespace gr {
       if(pmt::is_pair(msg)) {
         pmt::pmt_t x = pmt::cdr(msg);
         if(pmt::is_real(x)) {
-          double freq = pmt::to_double(x);
-          d_center_freq = freq*d_bandwidth;
+          d_center_freq = pmt::to_double(x);
           d_qApplication->postEvent(d_main_gui,
                                     new SetFreqEvent(d_center_freq, 
d_bandwidth));
         }
diff --git a/gr-qtgui/lib/freq_sink_f_impl.cc b/gr-qtgui/lib/freq_sink_f_impl.cc
index 0d12e0c..ab6167d 100644
--- a/gr-qtgui/lib/freq_sink_f_impl.cc
+++ b/gr-qtgui/lib/freq_sink_f_impl.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2012 Free Software Foundation, Inc.
+ * Copyright 2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -473,11 +473,10 @@ namespace gr {
     freq_sink_f_impl::check_clicked()
     {
       if(d_main_gui->checkClicked()) {
-        d_center_freq = d_main_gui->getClickedFreq();
-        double norm_freq = d_center_freq / d_bandwidth;
+        double freq = d_main_gui->getClickedFreq();
         message_port_pub(pmt::mp("freq"),
                          pmt::cons(pmt::mp("freq"),
-                                   pmt::from_double(norm_freq)));
+                                   pmt::from_double(freq)));
       }
     }
 
@@ -487,8 +486,7 @@ namespace gr {
       if(pmt::is_pair(msg)) {
         pmt::pmt_t x = pmt::cdr(msg);
         if(pmt::is_real(x)) {
-          double freq = pmt::to_double(x);
-          d_center_freq = freq*d_bandwidth;
+          d_center_freq = pmt::to_double(x);
           d_qApplication->postEvent(d_main_gui,
                                     new SetFreqEvent(d_center_freq, 
d_bandwidth));
         }
diff --git a/gr-qtgui/lib/freqdisplayform.cc b/gr-qtgui/lib/freqdisplayform.cc
index ae62136..e9968df 100644
--- a/gr-qtgui/lib/freqdisplayform.cc
+++ b/gr-qtgui/lib/freqdisplayform.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2012 Free Software Foundation, Inc.
+ * Copyright 2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -210,8 +210,6 @@ FreqDisplayForm::onPlotPointSelected(const QPointF p)
 {
   d_clicked = true;
   d_clicked_freq = d_units*p.x();
-
-  setFrequencyRange(d_clicked_freq, d_samp_rate);
 }
 
 bool
diff --git a/gr-qtgui/lib/sink_c_impl.cc b/gr-qtgui/lib/sink_c_impl.cc
index 01e60a6..bcd2c44 100644
--- a/gr-qtgui/lib/sink_c_impl.cc
+++ b/gr-qtgui/lib/sink_c_impl.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2008-2012 Free Software Foundation, Inc.
+ * Copyright 2008-2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -329,11 +329,10 @@ namespace gr {
     sink_c_impl::check_clicked()
     {
       if(d_main_gui->checkClicked()) {
-        d_center_freq = d_main_gui->getClickedFreq();
-        double norm_freq = d_center_freq / d_bandwidth;
+        double freq = d_main_gui->getClickedFreq();
         message_port_pub(pmt::mp("freq"),
                          pmt::cons(pmt::mp("freq"),
-                                   pmt::from_double(norm_freq)));
+                                   pmt::from_double(freq)));
       }
     }
 
@@ -343,8 +342,8 @@ namespace gr {
       if(pmt::is_pair(msg)) {
         pmt::pmt_t x = pmt::cdr(msg);
         if(pmt::is_real(x)) {
-          double freq = pmt::to_double(x);
-          set_frequency_range(freq*d_bandwidth, d_bandwidth);
+          d_center_freq = pmt::to_double(x);
+          set_frequency_range(d_center_freq, d_bandwidth);
         }
       }
     }
diff --git a/gr-qtgui/lib/sink_c_impl.h b/gr-qtgui/lib/sink_c_impl.h
index 0628bc2..87ce7ad 100644
--- a/gr-qtgui/lib/sink_c_impl.h
+++ b/gr-qtgui/lib/sink_c_impl.h
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2008,2009,2011,2012 Free Software Foundation, Inc.
+ * Copyright 2008,2009,2011,2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
diff --git a/gr-qtgui/lib/sink_f_impl.cc b/gr-qtgui/lib/sink_f_impl.cc
index 28ba314..67896b7 100644
--- a/gr-qtgui/lib/sink_f_impl.cc
+++ b/gr-qtgui/lib/sink_f_impl.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2008-2012 Free Software Foundation, Inc.
+ * Copyright 2008-2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -76,6 +76,9 @@ namespace gr {
       // setup output message port to post frequency when display is
       // double-clicked
       message_port_register_out(pmt::mp("freq"));
+      message_port_register_in(pmt::mp("freq"));
+      set_msg_handler(pmt::mp("freq"),
+                      boost::bind(&sink_f_impl::handle_set_freq, this, _1));
 
       d_main_gui = NULL;
 
@@ -214,6 +217,12 @@ namespace gr {
       d_main_gui->setFrequencyAxis(min, max);
     }
 
+    void
+    sink_f_impl::enable_rf_freq(bool en)
+    {
+      d_main_gui->enableRFFreq(en);
+    }
+
     /*
     void
     sink_f_impl::set_time_domain_axis(double min, double max)
@@ -315,11 +324,10 @@ namespace gr {
     sink_f_impl::check_clicked()
     {
       if(d_main_gui->checkClicked()) {
-        d_center_freq = d_main_gui->getClickedFreq();
-        double norm_freq = d_center_freq / d_bandwidth;
+        double freq = d_main_gui->getClickedFreq();
         message_port_pub(pmt::mp("freq"),
                          pmt::cons(pmt::mp("freq"),
-                                   pmt::from_double(norm_freq)));
+                                   pmt::from_double(freq)));
       }
     }
 
@@ -329,8 +337,8 @@ namespace gr {
       if(pmt::is_pair(msg)) {
         pmt::pmt_t x = pmt::cdr(msg);
         if(pmt::is_real(x)) {
-          double freq = pmt::to_double(x);
-          set_frequency_range(freq*d_bandwidth, d_bandwidth);
+          d_center_freq = pmt::to_double(x);
+          set_frequency_range(d_center_freq, d_bandwidth);
         }
       }
     }
diff --git a/gr-qtgui/lib/sink_f_impl.h b/gr-qtgui/lib/sink_f_impl.h
index 5b39d82..53494b9 100644
--- a/gr-qtgui/lib/sink_f_impl.h
+++ b/gr-qtgui/lib/sink_f_impl.h
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2008,2009,2011,2012 Free Software Foundation, Inc.
+ * Copyright 2008,2009,2011,2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -98,6 +98,7 @@ namespace gr {
       void set_frequency_range(const double centerfreq,
                               const double bandwidth);
       void set_fft_power_db(double min, double max);
+      void enable_rf_freq(bool en);
 
       //void set_time_domain_axis(double min, double max);
       //void set_constellation_axis(double xmin, double xmax,
diff --git a/gr-qtgui/lib/spectrumdisplayform.cc 
b/gr-qtgui/lib/spectrumdisplayform.cc
index ca9d981..8c67b7a 100644
--- a/gr-qtgui/lib/spectrumdisplayform.cc
+++ b/gr-qtgui/lib/spectrumdisplayform.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2008-2011 Free Software Foundation, Inc.
+ * Copyright 2008-2011,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
diff --git a/gr-qtgui/lib/waterfall_sink_c_impl.cc 
b/gr-qtgui/lib/waterfall_sink_c_impl.cc
index ff3cf36..8cb3f1a 100644
--- a/gr-qtgui/lib/waterfall_sink_c_impl.cc
+++ b/gr-qtgui/lib/waterfall_sink_c_impl.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2012 Free Software Foundation, Inc.
+ * Copyright 2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -432,11 +432,10 @@ namespace gr {
     waterfall_sink_c_impl::check_clicked()
     {
       if(d_main_gui->checkClicked()) {
-        d_center_freq = d_main_gui->getClickedFreq();
-        double norm_freq = d_center_freq / d_bandwidth;
+        double freq = d_main_gui->getClickedFreq();
         message_port_pub(pmt::mp("freq"),
                          pmt::cons(pmt::mp("freq"),
-                                   pmt::from_double(norm_freq)));
+                                   pmt::from_double(freq)));
       }
     }
 
@@ -446,8 +445,7 @@ namespace gr {
       if(pmt::is_pair(msg)) {
         pmt::pmt_t x = pmt::cdr(msg);
         if(pmt::is_real(x)) {
-          double freq = pmt::to_double(x);
-          d_center_freq = freq*d_bandwidth;
+          d_center_freq = pmt::to_double(x);
           d_qApplication->postEvent(d_main_gui,
                                     new SetFreqEvent(d_center_freq, 
d_bandwidth));
         }
diff --git a/gr-qtgui/lib/waterfall_sink_f_impl.cc 
b/gr-qtgui/lib/waterfall_sink_f_impl.cc
index 9facec4..1c1453c 100644
--- a/gr-qtgui/lib/waterfall_sink_f_impl.cc
+++ b/gr-qtgui/lib/waterfall_sink_f_impl.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2012 Free Software Foundation, Inc.
+ * Copyright 2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -433,11 +433,10 @@ namespace gr {
     waterfall_sink_f_impl::check_clicked()
     {
       if(d_main_gui->checkClicked()) {
-        d_center_freq = d_main_gui->getClickedFreq();
-        double norm_freq = d_center_freq / d_bandwidth;
+        double freq = d_main_gui->getClickedFreq();
         message_port_pub(pmt::mp("freq"),
                          pmt::cons(pmt::mp("freq"),
-                                   pmt::from_double(norm_freq)));
+                                   pmt::from_double(freq)));
       }
     }
 
@@ -447,8 +446,7 @@ namespace gr {
       if(pmt::is_pair(msg)) {
         pmt::pmt_t x = pmt::cdr(msg);
         if(pmt::is_real(x)) {
-          double freq = pmt::to_double(x);
-          d_center_freq = freq*d_bandwidth;
+          d_center_freq = pmt::to_double(x);
           d_qApplication->postEvent(d_main_gui,
                                     new SetFreqEvent(d_center_freq, 
d_bandwidth));
         }
diff --git a/gr-qtgui/lib/waterfalldisplayform.cc 
b/gr-qtgui/lib/waterfalldisplayform.cc
index fa6c2f7..51f518f 100644
--- a/gr-qtgui/lib/waterfalldisplayform.cc
+++ b/gr-qtgui/lib/waterfalldisplayform.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2012 Free Software Foundation, Inc.
+ * Copyright 2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -282,8 +282,6 @@ WaterfallDisplayForm::onPlotPointSelected(const QPointF p)
 {
   d_clicked = true;
   d_clicked_freq = d_units*p.x();
-
-  setFrequencyRange(d_clicked_freq, d_samp_rate);
 }
 
 bool



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