Hi All, I have prepared a GRC Flowgraph with several tab pages using the QT Tab Widget. Each tab page has different displays such as spectrograms, waterfalls etc.
Behind these tab screens I have separate processing blocks running to generate the data to display, all in parallel. I am wondering if there is a neat way to only enable processing blocks when the corresponding tab is active ? My first attempt at this was to use a number of throttle blocks located in different signal paths associated for each tab, and dynamically set the sample rate to 0 when the tab is not active to disable data flow - but this module seems to cause the entire flowgraph to stop. My next approach is to generate an OOT Module to enable/disable data flow unless anyone knows of a neater way ? Is it possible to detect what tab is selected from within GRC ? Any comments much appreciated. Nigel
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