Method MouseButtonReleaseEvent

Charts/Core/vtkScatterPlotMatrix.cxx:1162–1234

}

bool vtkScatterPlotMatrix::MouseButtonReleaseEvent(const vtkContextMouseEvent& mouse)
{
  // Check we are not currently already animating
  if (this->Private->TimerCallbackInitialized)
  {
    return true;
  }

  // Work out which scatter plot was clicked - make that one the active plot.
  vtkVector2i pos = this->GetChartIndex(mouse.GetPos());

  if (pos.GetX() == -1 || pos.GetX() + pos.GetY() + 1 >= this->Size.GetX())
  {
    // We didn't click a chart in the bottom-left triangle of the matrix.
    return true;
  }

  // If the left button was used, hyperjump, if the right was used full path.
  if (mouse.GetButton() == vtkContextMouseEvent::LEFT_BUTTON)
  {
    if (this->NumberOfFrames == 0)
    {
      this->SetActivePlot(pos);
      return true;
    }
    this->Private->AnimationPath.clear();
    bool horizontalFirst = pos[0] <= this->ActivePlot[0];
    if (horizontalFirst)
    {
      if (pos[0] != this->ActivePlot[0])
      {
        this->Private->AnimationPath.emplace_back(pos[0], this->ActivePlot[1]);
      }
    }
    else
    {
      if (pos[1] != this->ActivePlot[1])
      {
        this->Private->AnimationPath.emplace_back(this->ActivePlot[0], pos[1]);
      }
    }
    if ((this->Private->AnimationPath.size() == 1 && this->Private->AnimationPath.back() != pos) ||
      (this->Private->AnimationPath.empty() && this->ActivePlot != pos))
    {
      this->Private->AnimationPath.push_back(pos);
    }
    if (!this->Private->AnimationPath.empty())
    {
      this->InvokeEvent(vtkCommand::CreateTimerEvent);
      this->StartAnimation(mouse.GetInteractor());
    }
  }
  else if (mouse.GetButton() == vtkContextMouseEvent::RIGHT_BUTTON)
  {
    if (this->NumberOfFrames == 0)
    {
      this->SetActivePlot(pos);
      return true;