int QCompletionModel::rowCount(const QModelIndex &parent) const
{
Q_D(const QCompletionModel);
if (parent.isValid())
return 0;
if (showAll) {
// Show all items below current parent, even if we have no valid matches
if (engine->curParts.count() != 1 && !engine->matchCount()
&& !engine->curParent.isValid())
return 0;
return d->model->rowCount(engine->curParent);
}
return completionCount();
}
void Completer::onTabPressed()
{
if (!d.lineEdit)
return;
// store selection
int pos = d.lineEdit->cursorPosition();
int start = d.lineEdit->selectionStart();
QString selected = d.lineEdit->selectedText();
// select current word
d.lineEdit->cursorWordForward(false);
d.lineEdit->cursorWordBackward(true);
QString word = d.lineEdit->selectedText();
// choose model
if (word.startsWith('/')) {
if (model() != d.slashModel)
setModel(d.slashModel);
} else {
if (model() != d.defaultModel)
setModel(d.defaultModel);
}
QString prefix = completionPrefix();
if (prefix.isEmpty() || !word.startsWith(prefix, Qt::CaseInsensitive))
setCompletionPrefix(word);
// restore selection
d.lineEdit->setCursorPosition(pos);
if (start != -1)
d.lineEdit->setSelection(start, selected.length());
// complete
if (!word.isEmpty()) {
complete();
int count = completionCount();
if (count > 0) {
int next = currentRow() + 1;
setCurrentRow(next % count);
}
}
}