Rewrite TrackerList::reannounceSelected(), now it can force reannounce DHT

src/gui/properties/trackerlist.cpp

@@ -400,16 +400,23 @@ void TrackerList::editSelectedTracker() {
 
 #if LIBTORRENT_VERSION_NUM >= 10000
 void TrackerList::reannounceSelected() {
+    QList<QTreeWidgetItem *> selected_items = selectedItems();
+    if (selected_items.isEmpty()) return;
+
     BitTorrent::TorrentHandle *const torrent = properties->getCurrentTorrent();
     if (!torrent) return;
+    QList<BitTorrent::TrackerEntry> trackers = torrent->trackers();
 
-    QList<QTreeWidgetItem *> selected_items = getSelectedTrackerItems();
-    if (selected_items.isEmpty()) return;
+    foreach (QTreeWidgetItem* item, selected_items) {
+      // DHT case
+      if (item == dht_item) {
+        torrent->forceDHTAnnounce();
+        continue;
+      }
 
-    QList<BitTorrent::TrackerEntry> trackers = torrent->trackers();
-    for (int i = 0; i < trackers.size(); ++i) {
-      foreach (QTreeWidgetItem* w, selected_items) {
-        if (w->text(COL_URL) == trackers[i].url()) {
+      // Trackers case
+      for (int i = 0; i < trackers.size(); ++i) {
+        if (item->text(COL_URL) == trackers[i].url()) {
           torrent->forceReannounce(i);
           break;
         }