diff options
Diffstat (limited to 'gr-qtgui/lib/waterfall_sink_f_impl.cc')
| -rw-r--r-- | gr-qtgui/lib/waterfall_sink_f_impl.cc | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/gr-qtgui/lib/waterfall_sink_f_impl.cc b/gr-qtgui/lib/waterfall_sink_f_impl.cc index fc6d9fab67..1c1453c1d1 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 * @@ -68,6 +68,13 @@ 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(&waterfall_sink_f_impl::handle_set_freq, this, _1)); + d_main_gui = NULL; // Perform fftshift operation; @@ -148,6 +155,9 @@ namespace gr { set_fft_size(d_fftsize); set_frequency_range(d_center_freq, d_bandwidth); + if(d_name.size() > 0) + set_title(d_name); + // initialize update time to 10 times a second set_update_time(0.1); } @@ -419,6 +429,30 @@ namespace gr { } } + void + waterfall_sink_f_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 + waterfall_sink_f_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); + d_qApplication->postEvent(d_main_gui, + new SetFreqEvent(d_center_freq, d_bandwidth)); + } + } + } + int waterfall_sink_f_impl::work(int noutput_items, gr_vector_const_void_star &input_items, @@ -430,6 +464,7 @@ 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; |