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/**
* Copyright (C) 2021-2024 Saturneric <eric@bktus.com>
*
* This file is part of GpgFrontend.
*
* GpgFrontend 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 3 of the License, or
* (at your option) any later version.
*
* GpgFrontend 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 GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from
* the gpg4usb project, which is under GPL-3.0-or-later.
*
* All the source code of GpgFrontend was modified and released by
* Saturneric <eric@bktus.com> starting on May 12, 2021.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#pragma once
#include <GFModule.h>
#include <QWidget>
class QLabel;
class QTimer;
class QPlainTextEdit;
class QPushButton;
/**
* @brief The Instant Messaging page of the application's Settings dialog.
*
* Holds the shared "Message Book Phrase", the secret that whitens every
* instant-messaging token so it cannot be detected as a GpgFrontend/PGP
* message. Both sides must set the same phrase; an empty phrase uses a shared
* default that only hides the format from naive scanners.
*
* Edits are staged and written only on ApplySettings(), to the module's
* secure cache, never to the settings file.
*/
class ImSettingsPage : public QWidget, public gf::ui::SettingsWidget {
public:
explicit ImSettingsPage(QWidget* parent = nullptr);
void LoadSettings() override;
auto ApplySettings() -> bool override;
private:
void set_revealed(bool revealed);
void set_phrase(const QString& phrase);
void schedule_fingerprint_update();
void start_fingerprint_update();
void set_fingerprint(const QString& fingerprint);
QPlainTextEdit* phrase_edit_{}; ///< shows the phrase, or its mask
QPushButton* reveal_button_{}; ///< toggles between the phrase and the mask
QLabel* fingerprint_label_{}; ///< our fingerprint, e.g. "3F9A-1C4E"
QLabel* phrase_state_label_{}; ///< "no phrase set" / phrase length
QTimer* fingerprint_timer_{}; ///< debounce for typing
QString phrase_; ///< the edited phrase, source of truth
QString fingerprint_; ///< last computed fingerprint, may be empty
bool revealed_{false}; ///< whether the phrase is on screen
bool syncing_{false}; ///< guards programmatic edits of the view
quint64 fingerprint_request_{0}; ///< discards results of stale derivations
};
/// The configured book phrase, or empty for the default book.
auto ImBookPhrase() -> QString;
/// Replace the configured book phrase; empty clears it.
void ImSetBookPhrase(const QString& phrase);
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