void
ComboBox::createMenu()
{
if (!_cascading) {
_rootNode->isMenu->clear();
for (U32 i = 0; i < _rootNode->children.size(); ++i) {
_rootNode->children[i]->isLeaf->setEnabled( _enabled && !_readOnly );
_rootNode->isMenu->addAction(_rootNode->children[i]->isLeaf);
for (U32 j = 0; j < _separators.size(); ++j) {
if (_separators[j] == (int)i) {
_rootNode->isMenu->addSeparator();
break;
}
}
}
} else {
setEnabledRecursive( _enabled && !_readOnly, _rootNode.get() );
}
QAction* triggered = _rootNode->isMenu->exec( this->mapToGlobal( QPoint( 0, height() ) ) );
if (triggered) {
QVariant data = triggered->data();
if ( data.toString() != QString::fromUtf8("New") ) {
setCurrentIndex( data.toInt() );
} else {
Q_EMIT itemNewSelected();
}
}
_clicked = false;
if (focusPolicy() != Qt::NoFocus) {
setFocus();
}
update();
}
void setEnabledRecursive(QLayout *layout, bool enabled)
{
while (QLayoutItem* item = layout->takeAt(0))
{
if (QWidget* widget = item->widget())
widget->setEnabled(enabled);
if (QLayout* childLayout = item->layout())
setEnabledRecursive(childLayout, enabled);
}
}
static void
setEnabledRecursive(bool enabled,
ComboBoxMenuNode* node)
{
if (node->isLeaf) {
node->isLeaf->setEnabled(enabled);
} else {
assert(node->isMenu);
for (std::size_t i = 0; i < node->children.size(); ++i) {
setEnabledRecursive( enabled, node->children[i].get() );
}
}
}
