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/* pinentrydialog.h - A (not yet) secure Qt 4 dialog for PIN entry.
* Copyright (C) 2002, 2008 Klarälvdalens Datakonsult AB (KDAB)
* Copyright 2007 Ingo Klöcker
* Copyright 2016 Intevation GmbH
* Copyright (C) 2021, 2022 g10 Code GmbH
*
* Written by Steffen Hansen <steffen@klaralvdalens-datakonsult.se>.
* Modified by Andre Heinecke <aheinecke@intevation.de>
* 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+
*/
#ifndef __PINENTRYDIALOG_H__
#define __PINENTRYDIALOG_H__
#include <QAccessible>
#include <QDialog>
#include <QStyle>
#include <QTimer>
#include "pinentry.h"
class QIcon;
class QLabel;
class QPushButton;
class QLineEdit;
class PinLineEdit;
class QString;
class QProgressBar;
class QCheckBox;
class QAction;
QPixmap applicationIconPixmap(const QIcon &overlayIcon = {});
void raiseWindow(QWidget *w);
class PinEntryDialog : public QDialog
#ifndef QT_NO_ACCESSIBILITY
, public QAccessible::ActivationObserver
#endif
{
Q_OBJECT
Q_PROPERTY(QString description READ description WRITE setDescription)
Q_PROPERTY(QString error READ error WRITE setError)
Q_PROPERTY(QString pin READ pin WRITE setPin)
Q_PROPERTY(QString prompt READ prompt WRITE setPrompt)
public:
struct FormattedPassphraseOptions
{
bool formatPassphrase;
QString hint;
};
struct ConstraintsOptions
{
bool enforce;
QString shortHint;
QString longHint;
QString errorTitle;
};
explicit PinEntryDialog(QWidget *parent = 0, const char *name = 0,
int timeout = 0, bool modal = false,
bool enable_quality_bar = false,
const QString &repeatString = QString(),
const QString &visibiltyTT = QString(),
const QString &hideTT = QString());
~PinEntryDialog() override;
void setDescription(const QString &);
QString description() const;
void setError(const QString &);
QString error() const;
void setPin(const QString &);
QString pin() const;
QString repeatedPin() const;
void setRepeatErrorText(const QString &);
void setPrompt(const QString &);
QString prompt() const;
void setOkText(const QString &);
void setCancelText(const QString &);
void setQualityBar(const QString &);
void setQualityBarTT(const QString &);
void setGenpinLabel(const QString &);
void setGenpinTT(const QString &);
void setCapsLockHint(const QString &);
void setFormattedPassphrase(const FormattedPassphraseOptions &options);
void setConstraintsOptions(const ConstraintsOptions &options);
void setPinentryInfo(pinentry_t);
bool timedOut() const;
protected Q_SLOTS:
void updateQuality(const QString &);
void slotTimeout();
void textChanged(const QString &);
void focusChanged(QWidget *old, QWidget *now);
void toggleVisibility();
void onBackspace();
void generatePin();
void toggleFormattedPassphrase();
protected:
void keyPressEvent(QKeyEvent *event) override;
void keyReleaseEvent(QKeyEvent *event) override;
void showEvent(QShowEvent *event) override;
private Q_SLOTS:
void cancelTimeout();
void checkCapsLock();
void onAccept();
private:
#ifndef QT_NO_ACCESSIBILITY
void accessibilityActiveChanged(bool active) override;
#endif
enum PassphraseCheckResult {
PassphraseNotChecked = -1,
PassphraseNotOk = 0,
PassphraseOk
};
PassphraseCheckResult checkConstraints();
private:
QLabel *_icon = nullptr;
QLabel *_desc = nullptr;
QLabel *_error = nullptr;
QLabel *_prompt = nullptr;
QLabel *_quality_bar_label = nullptr;
QProgressBar *_quality_bar = nullptr;
PinLineEdit *_edit = nullptr;
PinLineEdit *mRepeat = nullptr;
QLabel *mRepeatError = nullptr;
QPushButton *_ok = nullptr;
QPushButton *_cancel = nullptr;
bool _grabbed = false;
bool _have_quality_bar = false;
bool _timed_out = false;
bool _disable_echo_allowed = true;
bool mEnforceConstraints = false;
bool mFormatPassphrase = false;
pinentry_t _pinentry_info = nullptr;
QTimer *_timer = nullptr;
QString mVisibilityTT;
QString mHideTT;
QAction *mVisiActionEdit = nullptr;
QPushButton *mGenerateButton = nullptr;
QCheckBox *mVisiCB = nullptr;
QLabel *mFormattedPassphraseHint = nullptr;
QLabel *mFormattedPassphraseHintSpacer = nullptr;
QLabel *mCapsLockHint = nullptr;
QLabel *mConstraintsHint = nullptr;
QString mConstraintsErrorTitle;
};
#endif // __PINENTRYDIALOG_H__
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