function eventFilter($target, $event)
{
if ($target == $this->display) {
if ($event->type() == QEvent::MouseButtonPress || $event->type() == QEvent::MouseButtonDblClick || $event->type() == QEvent::MouseButtonRelease || $event->type() == QEvent::ContextMenu) {
qstatic_cast($event, "QMouseEvent");
if ($event->buttons() & Qt::LeftButton) {
$newPalette = $this->palette();
$newPalette->setColor(QPalette::Base, $this->display->palette()->color(QPalette::Text));
$newPalette->setColor(QPalette::Text, $this->display->palette()->color(QPalette::Base));
$this->display->setPalette($newPalette);
} else {
$this->display->setPalette($this->palette());
}
return true;
}
}
return parent::eventFilter($target, $event);
}
