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https://github.com/cookiengineer/audacity
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Error if Nyquist Prompt requires track election
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@ -637,6 +637,17 @@ bool NyquistEffect::Process()
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mTrackIndex = 0;
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mNumSelectedChannels = 0;
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// If in tool mode, then we don't do anything with the track and selection.
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bool bOnePassTool = (GetType() == EffectTypeTool);
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// We must copy all the tracks, because Paste needs label tracks to ensure
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// correct sync-lock group behavior when the timeline is affected; then we just want
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// to operate on the selected wave tracks.
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// Also need to set up mOutputTracks for channel count.
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if( !bOnePassTool )
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CopyInputTracks(Track::All);
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SelectedTrackListOfKindIterator sel(Track::Wave, mOutputTracks.get());
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for (WaveTrack *t = (WaveTrack *) sel.First(); t; t = (WaveTrack *) sel.Next()) {
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mNumSelectedChannels++;
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@ -773,15 +784,12 @@ bool NyquistEffect::Process()
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mProps += wxString::Format(wxT("(putprop '*SELECTION* %d 'CHANNELS)\n"), mNumSelectedChannels);
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}
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// If in tool mode, then we don't do anything with the track and selection.
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bool bOnePassTool = (GetType() == EffectTypeTool);
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// Nyquist Prompt does not require a selection, but effects do.
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if (!bOnePassTool && (mNumSelectedChannels == 0)) {
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wxString message = _("Cannot run command without a selection.");
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Effect::MessageBox(message, wxOK | wxCENTRE | wxICON_EXCLAMATION, _("Nyquist Error"));
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}
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// We must copy all the tracks, because Paste needs label tracks to ensure
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// correct sync-lock group behavior when the timeline is affected; then we just want
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// to operate on the selected wave tracks
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if( !bOnePassTool )
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CopyInputTracks(Track::All);
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SelectedTrackListOfKindIterator iter(Track::Wave, mOutputTracks.get());
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mCurTrack[0] = (WaveTrack *)iter.First();
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