- Make sure priority column stays sorted when changing torrents priority (closes #417829)

src/GUI.cpp

@@ -1351,6 +1351,9 @@ GUI::GUI(QWidget *parent, QStringList torrentCmdLine) : QMainWindow(parent), dis
       BTSession->increaseDlTorrentPriority(hash);
     }
     updateLists();
+    // Update sorting if necessary
+    if(downloadingTorrentTab->isPriorityColumnSorted())
+      downloadingTorrentTab->sortDownloadList();
   }
   
   void GUI::on_actionDecreasePriority_triggered() {
@@ -1360,6 +1363,9 @@ GUI::GUI(QWidget *parent, QStringList torrentCmdLine) : QMainWindow(parent), dis
       BTSession->decreaseDlTorrentPriority(hash);
     }
     updateLists();
+    // Update sorting if necessary
+    if(downloadingTorrentTab->isPriorityColumnSorted())
+      downloadingTorrentTab->sortDownloadList();
   }
   
   // pause selected items in the list

src/downloadingTorrents.cpp

@@ -718,6 +718,10 @@ void DownloadingTorrents::sortProgressColumn(QTorrentHandle& h) {
   }
 }
 
+bool DownloadingTorrents::isPriorityColumnSorted() {
+  return (downloadList->header()->sortIndicatorSection() == PRIORITY);
+}
+
 void DownloadingTorrents::sortDownloadList(int index, Qt::SortOrder sortOrder) {
   if(index == -1) {
     index = downloadList->header()->sortIndicatorSection();

src/downloadingTorrents.h

@@ -63,6 +63,7 @@ class DownloadingTorrents : public QWidget, public Ui::downloading{
     QStringList getSelectedTorrents(bool only_one=false) const;
     unsigned int getNbTorrentsInList() const;
     void enablePriorityColumn(bool enable);
+    bool isPriorityColumnSorted();
 
   signals:
     void unfinishedTorrentsNumberChanged(unsigned int);
@@ -74,7 +75,6 @@ class DownloadingTorrents : public QWidget, public Ui::downloading{
     void on_actionSet_upload_limit_triggered();
     void displayDLListMenu(const QPoint& pos);
     void displayDLHoSMenu(const QPoint&);
-    void sortDownloadList(int index=-1, Qt::SortOrder startSortOrder=Qt::AscendingOrder);
     void toggleDownloadListSortOrder(int index);
     void sortDownloadListFloat(int index, Qt::SortOrder sortOrder);
     void sortDownloadListString(int index, Qt::SortOrder sortOrder);
@@ -104,6 +104,7 @@ class DownloadingTorrents : public QWidget, public Ui::downloading{
     void loadLastSortedColumn();
     void addTorrent(QString hash);
     void updateMetadata(QTorrentHandle &h);
+    void sortDownloadList(int index=-1, Qt::SortOrder startSortOrder=Qt::AscendingOrder);
 
 };