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Diffstat (limited to 'gr-qtgui/lib/sink_c_impl.cc')
-rw-r--r--gr-qtgui/lib/sink_c_impl.cc39
1 files changed, 38 insertions, 1 deletions
diff --git a/gr-qtgui/lib/sink_c_impl.cc b/gr-qtgui/lib/sink_c_impl.cc
index 992512a999..bcd2c4468c 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
*
@@ -73,6 +73,13 @@ namespace gr {
d_argv = new char;
d_argv[0] = '\0';
+ // 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_c_impl::handle_set_freq, this, _1));
+
d_main_gui = NULL;
// Perform fftshift operation;
@@ -218,6 +225,12 @@ namespace gr {
d_main_gui->setFrequencyAxis(min, max);
}
+ void
+ sink_c_impl::enable_rf_freq(bool en)
+ {
+ d_main_gui->enableRFFreq(en);
+ }
+
/*
void
sink_c_impl::set_time_domain_axis(double min, double max)
@@ -312,6 +325,29 @@ namespace gr {
}
}
+ void
+ sink_c_impl::check_clicked()
+ {
+ if(d_main_gui->checkClicked()) {
+ double freq = d_main_gui->getClickedFreq();
+ message_port_pub(pmt::mp("freq"),
+ pmt::cons(pmt::mp("freq"),
+ pmt::from_double(freq)));
+ }
+ }
+
+ void
+ sink_c_impl::handle_set_freq(pmt::pmt_t msg)
+ {
+ if(pmt::is_pair(msg)) {
+ pmt::pmt_t x = pmt::cdr(msg);
+ if(pmt::is_real(x)) {
+ d_center_freq = pmt::to_double(x);
+ set_frequency_range(d_center_freq, d_bandwidth);
+ }
+ }
+ }
+
int
sink_c_impl::general_work(int noutput_items,
gr_vector_int &ninput_items,
@@ -324,6 +360,7 @@ namespace gr {
// Update the FFT size from the application
fftresize();
windowreset();
+ check_clicked();
for(int i=0; i < noutput_items; i+=d_fftsize) {
unsigned int datasize = noutput_items - i;