Method Update

libraries/lib-wx-init/ProgressDialog.cpp:1354–1453

Update the time and, optionally, the message

// Update the time and, optionally, the message
//
ProgressResult ProgressDialog::Update(
   int value, const TranslatableString & message)
{
   using namespace std::chrono;
   auto updatePollTime = finally([this, pollStart = high_resolution_clock::now()] {
         mTotalPollTime += high_resolution_clock::now() - pollStart;
   });

   mPollsCount++;
   
   if (mCancel)
   {
      // for compatibility with old Update, that returned false on cancel
      return ProgressResult::Cancelled;
   }
   else if (mStop)
   {
      return ProgressResult::Stopped;
   }

   wxLongLong_t now = wxGetUTCTimeMillis().GetValue();
   mElapsedTime = now - mStartTime;

   if (mElapsedTime < 500)
   {
      return ProgressResult::Success;
   }

   if (mIsTransparent)
   {
      SetTransparent(255);
      mIsTransparent = false;
   }

   if (value <= 0)
   {
      value = 1;
   }

   if (value > 1000)
   {
      value = 1000;
   }

   wxLongLong_t estimate = mElapsedTime * 1000ll / value;
   wxLongLong_t remains = (estimate + mStartTime) - now;

   SetMessage(message);

   if (value != mLastValue)
   {
      mGauge->SetValue(value);
      mGauge->Update();
      mLastValue = value;
   }

   // Only update if a full second has passed or track progress is complete
   if ((now - mLastUpdate > 1000) || (value == 1000))