Method Poll

Source/VSTPlugin.cpp:572–692

}

void VSTPlugin::Poll()
{
   if (mRescanParameterNames)
   {
      mRescanParameterNames = false;
      const auto& parameters = mPlugin->getParameters();

      int numParameters = MIN((int)mParameterSliders.size(), (int)parameters.size());
      for (int i = 0; i < numParameters; ++i)
      {
         mParameterSliders[i].mDisplayName = parameters[i]->getName(64).toStdString();
         if (mParameterSliders[i].mSlider != nullptr)
            mParameterSliders[i].mSlider->SetOverrideDisplayName(mParameterSliders[i].mDisplayName);
      }

      if (numParameters <= kMaxParametersInDropdown) // update the dropdown in this case
      {
         mShowParameterDropdown->Clear();
         for (int i = 0; i < numParameters; ++i)
         {
            mShowParameterDropdown->AddLabel(mParameterSliders[i].mDisplayName.c_str(), i);
            mParameterSliders[i].mInSelectorList = true;
         }
      }
   }
   if (mDisplayMode == kDisplayMode_Sliders)
   {
      for (int i = 0; i < mParameterSliders.size(); ++i)
      {
         float value = mParameterSliders[i].mParameter->getValue();
         if (mParameterSliders[i].mValue != value)
            mParameterSliders[i].mValue = value;
      }

      if (mChangeGestureParameterIndex != -1)
      {
         if (mChangeGestureParameterIndex < (int)mParameterSliders.size() &&
             !mParameterSliders[mChangeGestureParameterIndex].mInSelectorList &&
             mTemporarilyDisplayedParamIndex != mChangeGestureParameterIndex)
         {
            if (mTemporarilyDisplayedParamIndex != -1)
               mShowParameterDropdown->RemoveLabel(mTemporarilyDisplayedParamIndex);
            mTemporarilyDisplayedParamIndex = mChangeGestureParameterIndex;
            mShowParameterDropdown->AddLabel(mParameterSliders[mChangeGestureParameterIndex].mDisplayName, mChangeGestureParameterIndex);
         }

         mChangeGestureParameterIndex = -1;
      }
   }

   if (mWantOpenVstWindow)
   {
      mWantOpenVstWindow = false;
      if (mPlugin != nullptr)
      {
         if (mWindow == nullptr)
            mWindow = std::unique_ptr<VSTWindow>(VSTWindow::CreateVSTWindow(this, VSTWindow::Normal));
         mWindow->ShowWindow();