message: fix selection tool disable camera movement
diff: @@ -76,8 +76,10 @@ QWidget* SelectionTool::toolWidget() const
  QUndoCommand* SelectionTool::mousePressEvent(QMouseEvent* e)
  {
  - if (e->button() != Qt::LeftButton || !m_renderer)
  + if (e->button() != Qt::LeftButton || !m_renderer) {
  + m_initSelectionBox = false;
  return nullptr;
  + }
  m_drawSelectionBox = false;
  m_initSelectionBox = true;
  @@ -154,11 +156,12 @@ QUndoCommand* SelectionTool::mouseDoubleClickEvent(QMouseEvent* e)
  QUndoCommand* SelectionTool::mouseMoveEvent(QMouseEvent* e)
  {
  // Disable this code until rectangle selection is ready.
  + if (m_initSelectionBox) {
  m_drawSelectionBox = true;
  m_end = Vector2(e->pos().x(), e->pos().y());
  emit drawablesChanged();
  -
  e->accept();
  + }
  return nullptr;
  }
  