Function OnCutLabels

src/menus/LabelMenus.cpp:422–464

}

void OnCutLabels(const CommandContext &context)
{
   auto &project = context.project;
   auto &tracks = TrackList::Get(project);
   auto &selectedRegion = ViewInfo::Get(project).selectedRegion;

   if (selectedRegion.isPoint())
     return;

   // Because of grouping the copy may need to operate on different tracks than
   // the clear, so we do these actions separately.
   auto copyfunc = [&](Track &track, double t0, double t1) {
      Track::Holder result;
      track.TypeSwitch( [&](WaveTrack &wt) { result = wt.Copy(t0, t1); } );
      return result;
   };
   EditClipboardByLabel(project, tracks, selectedRegion, copyfunc);

   bool enableCutlines = gPrefs->ReadBool(wxT( "/GUI/EnableCutLines"), false);
   auto editfunc = [&](Track &track, double t0, double t1) {
      track.TypeSwitch(
         [&](WaveTrack &t) {
            if (enableCutlines)
               t.ClearAndAddCutLine(t0, t1);
            else
               t.Clear(t0, t1);
         },
         [&](Track &t) {
            t.Clear(t0, t1);
         }
      );
   };
   EditByLabel(project, tracks, selectedRegion, editfunc);

   selectedRegion.collapseToT0();

   ProjectHistory::Get(project).PushState(
   /* i18n-hint: (verb) past tense.  Audacity has just cut the labeled audio
      regions.*/
      XO("Cut labeled audio regions to clipboard"),
   /* i18n-hint: (verb)*/
      XO("Cut Labeled Audio"));
}

void OnDeleteLabels(const CommandContext &context)
{