Method ApplyInner

src/commands/SetEnvelopeCommand.cpp:72–106

}

bool SetEnvelopeCommand::ApplyInner(const CommandContext &context, Track &t)
{
   // if no time is specified, then
   //   - delete deletes any envelope in selected tracks.
   //   - value is not set for any clip
   t.TypeSwitch([&](WaveTrack &waveTrack) {
      for (const auto pClip : waveTrack.SortedIntervalArray()) {
         bool bFound =
            !bHasT || (
               (pClip->GetPlayStartTime() <= mT) &&
               (pClip->GetPlayEndTime() >= mT)
            );
         if (bFound) {
            // Inside this IF is where we actually apply the command
            auto &env = pClip->GetEnvelope();
            bool didSomething = false;
            if (bHasDelete && mbDelete)
               env.Clear(), didSomething = true;
            if (bHasT && bHasV)
               env.InsertOrReplace(mT, env.ClampValue(mV)),
               didSomething = true;

            if (didSomething)
               // Consolidate, because this ApplyInner() function may be
               // visited multiple times in one command invocation
               ProjectHistory::Get(context.project).PushState(
                  XO("Edited Envelope"), XO("Envelope"),
                  UndoPush::CONSOLIDATE);
         }
      }
   } );


   return true;
}

namespace {
using namespace MenuRegistry;