Merging trondeau/qt branch r11231:11360. This merge improves the usability and examples of the QT-based interface.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11361 221aa14e-8319-0410-a670-987f0aec2ac5

1 files changed, 6 insertions, 2 deletions

diff --git a/gr-qtgui/src/lib/SpectrumGUIClass.cc b/gr-qtgui/src/lib/SpectrumGUIClass.cc
index f35062ea0..f196d7c5f 100644
--- a/gr-qtgui/src/lib/SpectrumGUIClass.cc
+++ b/gr-qtgui/src/lib/SpectrumGUIClass.cc
@@ -10,7 +10,8 @@ const long SpectrumGUIClass::MAX_FFT_SIZE;
 const long SpectrumGUIClass::MIN_FFT_SIZE;
 
 SpectrumGUIClass::SpectrumGUIClass(const uint64_t maxDataSize,
-				   const uint64_t fftSize, 
+				   const uint64_t fftSize,
+				   const double newCenterFrequency,
 				   const double newStartFrequency,
 				   const double newStopFrequency)
 {
@@ -25,7 +26,7 @@ SpectrumGUIClass::SpectrumGUIClass(const uint64_t maxDataSize,
   _pendingGUIUpdateEventsCount = 0;
   _droppedEntriesCount = 0;
 
-  _centerFrequency = 0;
+  _centerFrequency = newCenterFrequency;
   _startFrequency = newStartFrequency;
   _stopFrequency = newStopFrequency;
 
@@ -113,6 +114,9 @@ SpectrumGUIClass::OpenSpectrumWindow(QWidget* parent,
   // Draw Blank Display
   UpdateWindow(false, NULL, 0, NULL, 0, NULL, 0, 1.0, get_highres_clock(), true);
 
+  // Set up the initial frequency axis settings
+  SetFrequencyRange(_centerFrequency, _startFrequency, _stopFrequency);
+
   // GUI Thread only
   qApp->processEvents();
 }