Maybe better now, it makes no sense to be fully dynamic.

resources/text/CHANGELOG

@@ -13,7 +13,7 @@ Fixed:
 
 Changed:
 
-▪ Sorting of both views (feeds/messages) is now fully dynamic.
+▪ Adjusted sorting, particularly in message list.
 ▪ Tweaked "remove duplicates" policy.
 ▪ TT-RSS plugin can now restore messages from local recycle bin.
 

src/core/messagesproxymodel.cpp

@@ -30,7 +30,7 @@ MessagesProxyModel::MessagesProxyModel(QObject *parent)
   setFilterCaseSensitivity(Qt::CaseInsensitive);
   setFilterKeyColumn(-1);
   setFilterRole(Qt::EditRole);
-  setDynamicSortFilter(true);
+  setDynamicSortFilter(false);
   setSourceModel(m_sourceModel);
 }
 
@@ -179,10 +179,6 @@ QModelIndexList MessagesProxyModel::match(const QModelIndex &start, int role,
   return result;
 }
 
-void MessagesProxyModel::sort(int column, Qt::SortOrder order) {
-  QSortFilterProxyModel::sort(column, order);
-}
-
 QModelIndexList MessagesProxyModel::mapListToSource(const QModelIndexList &indexes) const {
   QModelIndexList source_indexes;
 

src/core/messagesproxymodel.h

@@ -45,8 +45,6 @@ class MessagesProxyModel : public QSortFilterProxyModel {
     // Fix for matching indexes with respect to specifics of the message model.
     QModelIndexList match(const QModelIndex &start, int role, const QVariant &entered_value, int hits, Qt::MatchFlags flags) const;
 
-    void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
-
   private:
     QModelIndex getNextUnreadItemIndex(int default_row, int max_row) const;
 

src/gui/messagesview.cpp

@@ -80,7 +80,6 @@ void MessagesView::reloadSelections(bool mark_current_index_read) {
 
   // Reload the model now.
   m_sourceModel->fetchAllData();
-
   sortByColumn(header()->sortIndicatorSection(), header()->sortIndicatorOrder());
 
   selected_indexes = m_proxyModel->mapListFromSource(mapped_indexes, true);
@@ -209,13 +208,15 @@ void MessagesView::selectionChanged(const QItemSelection &selected, const QItemS
          mapped_current_index.row(), mapped_current_index.column());
 
   if (mapped_current_index.isValid() && selected_rows.count() == 1) {
+    Message message = m_sourceModel->messageAt(m_proxyModel->mapToSource(selected_rows.at(0)).row());
+
     if (!m_batchUnreadSwitch) {
       // Set this message as read only if current item
       // wasn't changed by "mark selected messages unread" action.
       m_sourceModel->setMessageRead(mapped_current_index.row(), RootItem::Read);
     }
 
-    emit currentMessagesChanged(QList<Message>() << m_sourceModel->messageAt(m_proxyModel->mapToSource(selected_rows.at(0)).row()));
+    emit currentMessagesChanged(QList<Message>() << message);
   }
   else {
     emit currentMessagesRemoved();
@@ -351,7 +352,7 @@ void MessagesView::setSelectedMessagesReadStatus(RootItem::ReadStatus read) {
   const QModelIndexList mapped_indexes = m_proxyModel->mapListToSource(selected_indexes);
 
   m_sourceModel->setBatchMessagesRead(mapped_indexes, read);
-  sortByColumn(header()->sortIndicatorSection(), header()->sortIndicatorOrder());
+  //sortByColumn(header()->sortIndicatorSection(), header()->sortIndicatorOrder());
 
   selected_indexes = m_proxyModel->mapListFromSource(mapped_indexes, true);
   current_index = m_proxyModel->mapFromSource(m_sourceModel->index(mapped_current_index.row(), mapped_current_index.column()));
@@ -379,7 +380,7 @@ void MessagesView::deleteSelectedMessages() {
   const QModelIndexList mapped_indexes = m_proxyModel->mapListToSource(selected_indexes);
 
   m_sourceModel->setBatchMessagesDeleted(mapped_indexes);
-  sortByColumn(header()->sortIndicatorSection(), header()->sortIndicatorOrder());
+  //sortByColumn(header()->sortIndicatorSection(), header()->sortIndicatorOrder());
 
   const int row_count = m_sourceModel->rowCount();
 
@@ -408,7 +409,7 @@ void MessagesView::restoreSelectedMessages() {
   const QModelIndexList mapped_indexes = m_proxyModel->mapListToSource(selected_indexes);
 
   m_sourceModel->setBatchMessagesRestored(mapped_indexes);
-  sortByColumn(header()->sortIndicatorSection(), header()->sortIndicatorOrder());
+  //sortByColumn(header()->sortIndicatorSection(), header()->sortIndicatorOrder());
 
   int row_count = m_sourceModel->rowCount();
 
@@ -438,7 +439,7 @@ void MessagesView::switchSelectedMessagesImportance() {
   const QModelIndexList mapped_indexes = m_proxyModel->mapListToSource(selected_indexes);
 
   m_sourceModel->switchBatchMessageImportance(mapped_indexes);
-  sortByColumn(header()->sortIndicatorSection(), header()->sortIndicatorOrder());
+  //sortByColumn(header()->sortIndicatorSection(), header()->sortIndicatorOrder());
 
   selected_indexes = m_proxyModel->mapListFromSource(mapped_indexes, true);
   current_index = m_proxyModel->mapFromSource(m_sourceModel->index(mapped_current_index.row(),
@@ -459,7 +460,7 @@ void MessagesView::reselectIndexes(const QModelIndexList &indexes) {
       selection.merge(QItemSelection(index, index), QItemSelectionModel::Select);
     }
 
-    selectionModel()->select(selection, QItemSelectionModel::Select | QItemSelectionModel::Rows);
+    selectionModel()->select(selection, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
   }
 }