110 lines
2.7 KiB
C++
110 lines
2.7 KiB
C++
/*
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Copyright 2018 Benjamin Vedder benjamin@vedder.se
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This file is part of VESC Tool.
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VESC Tool is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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VESC Tool is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "historylineedit.h"
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#include <QDebug>
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//#if 1
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HistoryLineEdit::HistoryLineEdit(QWidget *parent) :
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QLineEdit(parent)
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{
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mIndexNow = 0;
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installEventFilter(this);
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}
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bool HistoryLineEdit::eventFilter(QObject *object, QEvent *e)
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{
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Q_UNUSED(object);
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if (e->type() == QEvent::KeyPress) {
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QKeyEvent *keyEvent = static_cast<QKeyEvent *>(e);
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switch(keyEvent->key()) {
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case Qt::Key_Up:
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case Qt::Key_Down:
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//case Qt::Key_Return:
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//case Qt::Key_Enter:
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// break;
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case Qt::Key_Return:
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case Qt::Key_Enter:
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/// TO DO /// emit enterClicked();
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break;
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default:
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return false;
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}
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bool retval = true;
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switch(keyEvent->key()) {
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case Qt::Key_Up: {
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if (mIndexNow == 0) {
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mCurrentText = text();
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}
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mIndexNow--;
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int ind = mHistory.size() + mIndexNow;
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if (ind >= 0 && ind < mHistory.size()) {
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setText(mHistory.at(ind));
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} else {
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mIndexNow++;
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}
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} break;
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case Qt::Key_Down:
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mIndexNow++;
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if (mIndexNow >= 0) {
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if (mIndexNow == 0) {
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setText(mCurrentText);
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}
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mIndexNow = 0;
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} else {
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int ind = mHistory.size() + mIndexNow;
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if (ind >= 0 && ind < mHistory.size()) {
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setText(mHistory.at(ind));
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}
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}
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break;
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case Qt::Key_Return:
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case Qt::Key_Enter:
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if (!text().isEmpty()) {
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if (mHistory.isEmpty() || mHistory.last() != text()) {
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mHistory.append(text());
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}
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}
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mIndexNow = 0;
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mCurrentText.clear();
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retval = false;
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break;
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default:
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break;
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}
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return retval;
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}
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return false;
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}
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//#endif
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