void ChatScene::setHandleXLimits() {
_firstColHandle->setXLimits(0, _secondColHandle->sceneLeft());
_secondColHandle->setXLimits(_firstColHandle->sceneRight(), width() - minContentsWidth);
void ChatScene::setHandleXLimits() {
_firstColHandle->setXLimits(0, _secondColHandle->sceneLeft());
_secondColHandle->setXLimits(_firstColHandle->sceneRight(), width() - minContentsWidth);