<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, 77 insertions, 0 deletions

diff --git a/src/ui/dialog/WaitingDialog.cpp b/src/ui/dialog/WaitingDialog.cpp
new file mode 100644
index 00000000..a4412e57
--- /dev/null
+++ b/src/ui/dialog/WaitingDialog.cpp
@@ -0,0 +1,77 @@
+/**
+ * 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 "WaitingDialog.h"
+
+namespace GpgFrontend::UI {
+
+WaitingDialog::WaitingDialog(const QString& title, QWidget* parent)
+    : QDialog(parent) {
+  auto* pb = new QProgressBar();
+  pb->setRange(0, 0);
+  pb->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
+  pb->setTextVisible(false);
+
+  auto* layout = new QVBoxLayout();
+  layout->setContentsMargins(0, 0, 0, 0);
+  layout->setSpacing(0);
+  layout->addWidget(pb);
+  this->setLayout(layout);
+
+  this->setModal(true);
+  this->raise();
+  this->setWindowFlags(Qt::Window | Qt::WindowTitleHint |
+                       Qt::CustomizeWindowHint);
+  this->setWindowTitle(title);
+  this->setAttribute(Qt::WA_DeleteOnClose);
+  this->setFixedSize(240, 42);
+
+  if (parentWidget() == nullptr) {
+    auto* screen = QGuiApplication::primaryScreen();
+    QRect geo = screen->availableGeometry();
+    int screen_width = geo.width();
+    int screen_height = geo.height();
+
+    LOG(INFO) << "primary screen available geometry" << screen_width
+              << screen_height;
+
+    auto pos = QPoint((screen_width - QWidget::width()) / 2,
+                      (screen_height - QWidget::height()) / 2);
+    this->move(pos);
+
+  } else {
+    auto pos = QPoint(parent->x() + (parent->width() - QWidget::width()) / 2,
+                      parent->y() + (parent->height() - QWidget::height()) / 2);
+    LOG(INFO) << "pos" << pos.x() << pos.y();
+    this->move(pos);
+  }
+
+  this->show();
+}
+
+}  // namespace GpgFrontend::UI