message: Remove use of Rectangle `operator()` ComboBox.cpp
diff: @@ -101,13 +101,13 @@ void ComboBox::onMouseDown(EventHandler::MouseButton button, int x, int y)
  }
  else
  {
  - mRect(mBaseArea.x(), mBaseArea.y(), mBaseArea.width(), mBaseArea.height());
  + mRect = {mBaseArea.x(), mBaseArea.y(), mBaseArea.width(), mBaseArea.height()};
  }
  }
  else if (!isPointInRect(Point_2d(x, y), lstItems.rect()))
  {
  lstItems.visible(false);
  - mRect(mBaseArea.x(), mBaseArea.y(), mBaseArea.width(), mBaseArea.height());
  + mRect = {mBaseArea.x(), mBaseArea.y(), mBaseArea.width(), mBaseArea.height()};
  }
  }
  @@ -132,7 +132,7 @@ void ComboBox::lstItemsSelectionChanged()
  {
  txtField.text(lstItems.selectionText());
  lstItems.visible(false);
  - mRect(mBaseArea.x(), mBaseArea.y(), mBaseArea.width(), mBaseArea.height());
  + mRect = {mBaseArea.x(), mBaseArea.y(), mBaseArea.width(), mBaseArea.height()};
  mSelectionChanged();
  }
  