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/*
* This file is part of smolbote. It's copyrighted by the contributors recorded
* in the version control history of the file, available from its original
* location: https://neueland.iserlohn-fortress.net/smolbote.hg
*
* SPDX-License-Identifier: GPL-3.0
*/
#include "completer.h"
#include <QKeyEvent>
Completer::Completer(QWidget *parent)
: QListView(parent)
{
setObjectName("Completer");
setWindowFlags(Qt::ToolTip);
setEditTriggers(QAbstractItemView::NoEditTriggers);
connect(this, &Completer::activated, [=](const QModelIndex &index) {
hide();
emit completionActivated(index.data().toString());
});
}
bool Completer::updateItems(const QStringList &list)
{
if(list.isEmpty())
return false;
auto *model = new QStringListModel(list, this);
setModel(model);
delete completionModel;
completionModel = model;
return true;
}
bool Completer::keyPressed(QKeyEvent *event)
{
if(isHidden())
return false;
Q_CHECK_PTR(completionModel);
int count = completionModel->rowCount();
const QModelIndex currentIndex = this->currentIndex();
switch(event->key()) {
case Qt::Key_Down:
if(currentIndex.row() + 1 >= count) {
setCurrentIndex(completionModel->index(0, 0));
} else {
setCurrentIndex(completionModel->index(currentIndex.row() + 1, 0));
}
break;
case Qt::Key_Up:
if(currentIndex.row() == 0) {
setCurrentIndex(completionModel->index(count - 1, 0));
} else {
setCurrentIndex(completionModel->index(currentIndex.row() - 1, 0));
}
break;
case Qt::Key_Escape:
hide();
break;
case Qt::Key_Enter:
case Qt::Key_Return:
hide();
emit completionActivated(currentIndex.data().toString());
break;
default:
return false;
}
return true;
}
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