Page MenuHome GnuPG
Files F37528830

pinlineedit.cpp
No OneTemporary
Actions

pinlineedit.cpp
View Options

/* pinlineedit.cpp - Modified QLineEdit widget.
* Copyright (C) 2018 Damien Goutte-Gattat
* Copyright (C) 2021 g10 Code GmbH
*
* Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses/>.
* SPDX-License-Identifier: GPL-2.0+
*/
#include "pinlineedit.h"
#include <QClipboard>
#include <QGuiApplication>
#include <QKeyEvent>
static const int FormattedPassphraseGroupSize = 4;
static const QChar FormattedPassphraseSeparator = QChar::Nbsp;
class PinLineEdit::Private
{
public:
QString formatted(QString text) const
{
const int dashCount = text.size() / FormattedPassphraseGroupSize;
text.reserve(text.size() + dashCount);
for (int i = FormattedPassphraseGroupSize; i < text.size(); i += FormattedPassphraseGroupSize + 1) {
text.insert(i, FormattedPassphraseSeparator);
}
return text;
}
QString unformatted(QString text) const
{
for (int i = FormattedPassphraseGroupSize; i < text.size(); i += FormattedPassphraseGroupSize) {
text.remove(i, 1);
}
return text;
}
void copyToClipboard(const PinLineEdit *edit)
{
if (edit->echoMode() != QLineEdit::Normal) {
return;
}
QString text = edit->selectedText();
if (mFormattedPassphrase) {
text.remove(FormattedPassphraseSeparator);
}
if (!text.isEmpty()) {
QGuiApplication::clipboard()->setText(text);
}
}
public:
bool mFormattedPassphrase = false;
};
PinLineEdit::PinLineEdit(QWidget *parent)
: QLineEdit(parent)
, d{new Private}
{
connect(this, SIGNAL(textEdited(QString)),
this, SLOT(textEdited()));
}
PinLineEdit::~PinLineEdit() = default;
void PinLineEdit::setFormattedPassphrase(bool on)
{
if (on == d->mFormattedPassphrase) {
return;
}
d->mFormattedPassphrase = on;
if (d->mFormattedPassphrase) {
setText(d->formatted(text()));
} else {
setText(d->unformatted(text()));
}
}
void PinLineEdit::copy() const
{
d->copyToClipboard(this);
}
void PinLineEdit::cut()
{
if (hasSelectedText()) {
copy();
del();
}
}
void PinLineEdit::setPin(const QString &pin)
{
setText(d->mFormattedPassphrase ? d->formatted(pin) : pin);
}
QString PinLineEdit::pin() const
{
if (d->mFormattedPassphrase) {
return d->unformatted(text());
} else {
return text();
}
}
void PinLineEdit::keyPressEvent(QKeyEvent *e)
{
if (e == QKeySequence::Copy) {
copy();
return;
}
else if (e == QKeySequence::Cut) {
if (!isReadOnly() && hasSelectedText()) {
copy();
del();
}
return;
}
else if (e == QKeySequence::DeleteEndOfLine) {
if (!isReadOnly()) {
setSelection(cursorPosition(), text().size());
copy();
del();
}
return;
}
else if (e == QKeySequence::DeleteCompleteLine) {
if (!isReadOnly()) {
setSelection(0, text().size());
copy();
del();
}
return;
}
QLineEdit::keyPressEvent(e);
if (e->key() == Qt::Key::Key_Backspace) {
emit backspacePressed();
}
}
void PinLineEdit::textEdited()
{
if (!d->mFormattedPassphrase) {
return;
}
setText(d->formatted(text().remove(FormattedPassphraseSeparator)));
}
#include "pinlineedit.moc"

File Metadata

Mime Type
text/x-c++
Expires
Fri, Mar 13, 9:37 AM (15 h, 45 m)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
7b/2e/fb361652cac6f222ebb024ebf969

Event Timeline