feat: let user select keys to sync from key server

src/ui/dialog/SignersPicker.cpp

@@ -78,7 +78,7 @@ SignersPicker::SignersPicker(QWidget* parent)
 }
 
 auto SignersPicker::GetCheckedSigners() -> GpgFrontend::KeyIdArgsListPtr {
-  return key_list_->GetPrivateChecked();
+  return key_list_->GetCheckedPrivateKey();
 }
 
 auto SignersPicker::GetStatus() const -> bool { return this->accepted_; }

src/ui/main_window/MainWindowGpgOperaFunction.cpp

@@ -141,7 +141,7 @@ void MainWindow::SlotEncrypt() {
 void MainWindow::SlotSign() {
   if (edit_->SlotCurPageTextEdit() == nullptr) return;
 
-  auto key_ids = m_key_list_->GetPrivateChecked();
+  auto key_ids = m_key_list_->GetCheckedPrivateKey();
   if (key_ids->empty()) {
     QMessageBox::critical(
         this, tr("No Key Checked"),

src/ui/widgets/KeyList.cpp

@@ -231,7 +231,7 @@ auto KeyList::GetAllPrivateKeys() -> KeyIdArgsListPtr {
   return ret;
 }
 
-auto KeyList::GetPrivateChecked() -> KeyIdArgsListPtr {
+auto KeyList::GetCheckedPrivateKey() -> KeyIdArgsListPtr {
   auto ret = std::make_unique<KeyIdArgsList>();
   if (ui_->keyGroupTab->size().isEmpty()) return ret;
 
@@ -242,7 +242,27 @@ auto KeyList::GetPrivateChecked() -> KeyIdArgsListPtr {
 
   for (int i = 0; i < key_list->rowCount(); i++) {
     if ((key_list->item(i, 0)->checkState() == Qt::Checked) &&
-        ((key_list->item(i, 1)) != nullptr)) {
+        ((key_list->item(i, 1)) != nullptr) &&
+        buffered_keys[i].IsPrivateKey()) {
+      ret->push_back(buffered_keys[i].GetId());
+    }
+  }
+  return ret;
+}
+
+auto KeyList::GetCheckedPublicKey() -> KeyIdArgsListPtr {
+  auto ret = std::make_unique<KeyIdArgsList>();
+  if (ui_->keyGroupTab->size().isEmpty()) return ret;
+
+  auto* key_list =
+      qobject_cast<QTableWidget*>(ui_->keyGroupTab->currentWidget());
+  const auto& buffered_keys =
+      m_key_tables_[ui_->keyGroupTab->currentIndex()].buffered_keys_;
+
+  for (int i = 0; i < key_list->rowCount(); i++) {
+    if ((key_list->item(i, 0)->checkState() == Qt::Checked) &&
+        ((key_list->item(i, 1)) != nullptr) &&
+        !buffered_keys[i].IsPrivateKey()) {
       ret->push_back(buffered_keys[i].GetId());
     }
   }
@@ -458,14 +478,28 @@ void KeyList::slot_refresh_ui() {
 }
 
 void KeyList::slot_sync_with_key_server() {
+  auto checked_public_keys = GetCheckedPublicKey();
+
   KeyIdArgsList key_ids;
-  {
+  if (checked_public_keys->empty()) {
-    std::lock_guard<std::mutex> guard(buffered_key_list_mutex_);
+    QMessageBox::StandardButton const reply = QMessageBox::question(
-    for (const auto& key : *buffered_keys_list_) {
+        this, QCoreApplication::tr("Sync All Public Key"),
-      if (!(key.IsPrivateKey() && key.IsHasMasterKey())) {
+        QCoreApplication::tr("You have not checked any public keys that you "
-        key_ids.push_back(key.GetId());
+                             "want to synchronize, do you want to synchronize "
+                             "all public keys from the key server?"),
+        QMessageBox::Yes | QMessageBox::No);
+
+    if (reply == QMessageBox::No) return;
+    {
+      std::lock_guard<std::mutex> guard(buffered_key_list_mutex_);
+      for (const auto& key : *buffered_keys_list_) {
+        if (!(key.IsPrivateKey() && key.IsHasMasterKey())) {
+          key_ids.push_back(key.GetId());
+        }
       }
     }
+  } else {
+    key_ids = *checked_public_keys;
   }
 
   if (key_ids.empty()) return;

src/ui/widgets/KeyList.h

@@ -188,7 +188,7 @@ class KeyList : public QWidget {
       const QString& name, const QString& id,
       KeyListRow::KeyType selectType = KeyListRow::SECRET_OR_PUBLIC_KEY,
       KeyListColumn::InfoType infoType = KeyListColumn::ALL,
-      const KeyTable::KeyTableFilter filter =
+      KeyTable::KeyTableFilter filter =
           [](const GpgKey&, const KeyTable&) -> bool { return true; });
 
   /**
@@ -225,7 +225,7 @@ class KeyList : public QWidget {
    *
    * @return KeyIdArgsListPtr
    */
-  KeyIdArgsListPtr GetChecked();
+  auto GetChecked() -> KeyIdArgsListPtr;
 
   /**
    * @brief Get the Checked object
@@ -233,21 +233,28 @@ class KeyList : public QWidget {
    * @param key_table
    * @return KeyIdArgsListPtr
    */
-  static KeyIdArgsListPtr GetChecked(const KeyTable& key_table);
+  static auto GetChecked(const KeyTable& key_table) -> KeyIdArgsListPtr;
 
   /**
    * @brief Get the Private Checked object
    *
    * @return KeyIdArgsListPtr
    */
-  KeyIdArgsListPtr GetPrivateChecked();
+  auto GetCheckedPrivateKey() -> KeyIdArgsListPtr;
+
+  /**
+   * @brief
+   *
+   * @return KeyIdArgsListPtr
+   */
+  auto GetCheckedPublicKey() -> KeyIdArgsListPtr;
 
   /**
    * @brief Get the All Private Keys object
    *
    * @return KeyIdArgsListPtr
    */
-  KeyIdArgsListPtr GetAllPrivateKeys();
+  auto GetAllPrivateKeys() -> KeyIdArgsListPtr;
 
   /**
    * @brief Set the Checked object
@@ -270,14 +277,14 @@ class KeyList : public QWidget {
    *
    * @return KeyIdArgsListPtr
    */
-  KeyIdArgsListPtr GetSelected();
+  auto GetSelected() -> KeyIdArgsListPtr;
 
   /**
    * @brief Get the Selected Key object
    *
    * @return QString
    */
-  QString GetSelectedKey();
+  auto GetSelectedKey() -> QString;
 
   /**
    * @brief
@@ -285,7 +292,7 @@ class KeyList : public QWidget {
    * @return true
    * @return false
    */
-  [[maybe_unused]] bool ContainsPrivateKeys();
+  [[maybe_unused]] auto ContainsPrivateKeys() -> bool;
 
  signals:
   /**