feat: add pinentry module and paper key module

1 files changed, 123 insertions, 0 deletions

diff --git a/src/m_pinentry/pinentryconfirm.cpp b/src/m_pinentry/pinentryconfirm.cpp
new file mode 100644
index 0000000..31d55b5
--- /dev/null
+++ b/src/m_pinentry/pinentryconfirm.cpp
@@ -0,0 +1,123 @@
+/* pinentryconfirm.cpp - A QMessageBox with a timeout
+ *
+ * Copyright (C) 2011 Ben Kibbey <[email protected]>
+ * Copyright (C) 2022 g10 Code GmbH
+ *
+ * Software engineering by Ingo Klöcker <[email protected]>
+ *
+ * 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 "pinentryconfirm.h"
+
+#include <QAbstractButton>
+#include <QApplication>
+#include <QFontMetrics>
+#include <QGridLayout>
+#include <QLabel>
+#include <QSpacerItem>
+
+#include "accessibility.h"
+#include "pinentrydialog.h"
+
+namespace {
+QLabel *messageBoxLabel(QMessageBox *messageBox) {
+  return messageBox->findChild<QLabel *>(QStringLiteral("qt_msgbox_label"));
+}
+}  // namespace
+
+PinentryConfirm::PinentryConfirm(Icon icon, const QString &title,
+                                 const QString &text, StandardButtons buttons,
+                                 QWidget *parent, Qt::WindowFlags flags)
+    : QMessageBox{icon, title, text, buttons, parent, flags} {
+  _timer.callOnTimeout(this, &PinentryConfirm::slotTimeout);
+
+#ifndef QT_NO_ACCESSIBILITY
+  QAccessible::installActivationObserver(this);
+  accessibilityActiveChanged(QAccessible::isActive());
+#endif
+
+#if QT_VERSION >= 0x050000
+  /* This is in line with PinentryDialog ctor to have a maximizing
+   * animation when opening. */
+  if (qApp->platformName() != QLatin1String("wayland")) {
+    setWindowState(Qt::WindowMinimized);
+    QTimer::singleShot(0, this, [this]() { raiseWindow(this); });
+  }
+#else
+  activateWindow();
+  raise();
+#endif
+}
+
+PinentryConfirm::~PinentryConfirm() {
+#ifndef QT_NO_ACCESSIBILITY
+  QAccessible::removeActivationObserver(this);
+#endif
+}
+
+void PinentryConfirm::setTimeout(std::chrono::seconds timeout) {
+  _timer.setInterval(timeout);
+}
+
+std::chrono::seconds PinentryConfirm::timeout() const {
+  return std::chrono::duration_cast<std::chrono::seconds>(
+      _timer.intervalAsDuration());
+}
+
+bool PinentryConfirm::timedOut() const { return _timed_out; }
+
+void PinentryConfirm::showEvent(QShowEvent *event) {
+  static bool resized;
+  if (!resized) {
+    QGridLayout *lay = dynamic_cast<QGridLayout *>(layout());
+    if (lay) {
+      QSize textSize = fontMetrics().size(Qt::TextExpandTabs, text(),
+                                          fontMetrics().maxWidth());
+      QSpacerItem *horizontalSpacer =
+          new QSpacerItem(textSize.width() + iconPixmap().width(), 0,
+                          QSizePolicy::Minimum, QSizePolicy::Expanding);
+      lay->addItem(horizontalSpacer, lay->rowCount(), 1, 1,
+                   lay->columnCount() - 1);
+    }
+    resized = true;
+  }
+
+  QMessageBox::showEvent(event);
+
+  if (timeout() > std::chrono::milliseconds::zero()) {
+    _timer.setSingleShot(true);
+    _timer.start();
+  }
+}
+
+void PinentryConfirm::slotTimeout() {
+  QAbstractButton *b = button(QMessageBox::Cancel);
+  _timed_out = true;
+
+  if (b) {
+    b->animateClick();
+  }
+}
+
+#ifndef QT_NO_ACCESSIBILITY
+void PinentryConfirm::accessibilityActiveChanged(bool active) {
+  // Allow text label to get focus if accessibility is active
+  const auto focusPolicy = active ? Qt::StrongFocus : Qt::ClickFocus;
+  if (auto label = messageBoxLabel(this)) {
+    label->setFocusPolicy(focusPolicy);
+  }
+}
+#endif