Method showPopup

src/frontend/widgets/TreeViewComboBox.cpp:126–139

! Displays the tree view of items in the combobox. Triggers showTopLevelOnly() to show toplevel items only. */

	Triggers showTopLevelOnly() to show toplevel items only.
*/
void TreeViewComboBox::showPopup() {
	if (!m_treeView->model() || !m_treeView->model()->hasChildren())
		return;

	QModelIndex root = m_treeView->model()->index(0, 0);
	showTopLevelOnly(root);
	m_groupBox->show();
	m_groupBox->resize(this->width(), 250);
	m_groupBox->move(mapToGlobal(this->rect().topLeft()));

	setEditText(m_currentText);
	m_lineEdit->setText(QString()); // delete the previous search string
	m_lineEdit->setFocus();
}

/*!
	\reimp