id: fosphor_qt_sink_c
label: fosphor sink (Qt)

parameters:
-   id: wintype
    label: Window Type
    dtype: enum
    default: window.WIN_BLACKMAN_hARRIS
    options: [window.WIN_BLACKMAN_hARRIS, window.WIN_HAMMING, window.WIN_HANN, window.WIN_BLACKMAN, window.WIN_RECTANGULAR, window.WIN_KAISER, window.WIN_FLATTOP]
    option_labels: [Blackman-harris, Hamming, Hann, Blackman, Rectangular, Kaiser, Flat-top]
    hide: part
-   id: freq_center
    label: Center Frequency (Hz)
    dtype: real
    default: '0'
-   id: freq_span
    label: span (Hz)
    dtype: real
    default: samp_rate
-   id: gui_hint
    label: GUI Hint
    dtype: gui_hint
    hide: part

inputs:
-   domain: stream
    dtype: complex

outputs:
-   domain: message
    id: freq
    optional: true

templates:
    imports: |-
        from PyQt5 import Qt
        import sip
        from gnuradio import fosphor
        from gnuradio.fft import window
    make: |-
        <%
            win = 'self._%s_win' % id
        %>\
        fosphor.qt_sink_c()
        self.${id}.set_fft_window(${wintype})
        self.${id}.set_frequency_range(${freq_center}, ${freq_span})
        ${win} = sip.wrapinstance(self.${id}.pyqwidget(), Qt.QWidget)
        ${gui_hint() % win}
    callbacks:
    - set_fft_window(${wintype})
    - set_frequency_range(${freq_center}, ${freq_span})

documentation: |-
    Key Bindings
    ============
    z:      toggle zoom mode
    a/d:    move zoom frequency down/up
    s/w:    adjust zoom width
    q/e:    adjust screen split between waterfall and fft
    space:  pause display
    
    (left)/(right)  adjust dB/div
    (up)/(down)     adjust reference level

file_format: 1