<refactor, style>(gpg, ui, project): tidy up codes and comments.

1. let GpgInfo get into namespace GpgFrontend.
2. adjust the code structure.
3. add license statement to project configuration file.

1 files changed, 81 insertions, 0 deletions

diff --git a/src/ui/mail/SenderPicker.cpp b/src/ui/mail/SenderPicker.cpp
new file mode 100644
index 00000000..dce72332
--- /dev/null
+++ b/src/ui/mail/SenderPicker.cpp
@@ -0,0 +1,81 @@
+/**
+ * Copyright (C) 2021 Saturneric
+ *
+ * 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<[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "SenderPicker.h"
+
+#include "ui/widgets/KeyList.h"
+
+GpgFrontend::UI::SenderPicker::SenderPicker(const KeyId& current_key_id,
+                                            QWidget* parent)
+    : QDialog(parent) {
+  auto confirm_button = new QPushButton(_("Confirm"));
+  connect(confirm_button, SIGNAL(clicked(bool)), this, SLOT(accept()));
+
+  // Setup KeyList
+  key_list_ = new KeyList(KeyMenuAbility::NONE, this);
+  key_list_->AddListGroupTab(_("Sender"), KeyListRow::ONLY_SECRET_KEY,
+                             KeyListColumn::NAME | KeyListColumn::EmailAddress,
+                             [](const GpgKey& key) -> bool {
+                               return key.IsHasActualSigningCapability();
+                             });
+  key_list_->SlotRefresh();
+
+  auto key_ids = std::make_unique<GpgFrontend::KeyIdArgsList>();
+  key_ids->push_back(current_key_id);
+  key_list_->SetChecked(std::move(key_ids));
+
+  auto* vbox2 = new QVBoxLayout();
+  vbox2->addWidget(new QLabel(QString(_("Select Sender")) + ": "));
+  vbox2->addWidget(key_list_);
+  vbox2->addWidget(new QLabel(
+      QString(
+          _("As the sender of the mail, the private key is generally used.")) +
+      "\n" +
+      _(" The private key is generally used as a signature for the content of "
+        "the mail.")));
+  vbox2->addWidget(confirm_button);
+  vbox2->addStretch(0);
+  setLayout(vbox2);
+
+  this->setWindowFlags(Qt::Window | Qt::WindowTitleHint |
+                       Qt::CustomizeWindowHint);
+
+  this->setModal(true);
+  this->setWindowTitle("Sender Picker");
+  this->setMinimumWidth(480);
+  this->exec();
+}
+
+GpgFrontend::KeyId GpgFrontend::UI::SenderPicker::GetCheckedSender() {
+  auto checked_keys = key_list_->GetChecked();
+  if (!checked_keys->empty()) {
+    return key_list_->GetChecked()->front();
+  } else {
+    return {};
+  }
+}