- Performance improvement, property tabs are updated only when displayed

src/propertieswidget.cpp

@@ -86,6 +86,7 @@ PropertiesWidget::PropertiesWidget(QWidget *parent, TransferListWidget *transfer
   connect(transferList, SIGNAL(currentTorrentChanged(QTorrentHandle&)), this, SLOT(loadTorrentInfos(QTorrentHandle &)));
   connect(incrementalDownload, SIGNAL(stateChanged(int)), this, SLOT(setIncrementalDownload(int)));
   connect(PropDelegate, SIGNAL(filteredFilesChanged()), this, SLOT(filteredFilesChanged()));
+  connect(stackedProperties, SIGNAL(currentChanged(int)), this, SLOT(loadDynamicData()));
 
   // Downloaded pieces progress bar
   progressBar = new RealProgressBar(this);
@@ -274,6 +275,7 @@ void PropertiesWidget::loadDynamicData() {
   if(!h.is_valid()) return;
   try {
     // Transfer infos
+    if(stackedProperties->currentIndex() == MAIN_TAB) {
       wasted->setText(misc::friendlyUnit(h.total_failed_bytes()+h.total_redundant_bytes()));
       upTotal->setText(misc::friendlyUnit(h.all_time_upload()) + " ("+misc::friendlyUnit(h.total_payload_upload())+" "+tr("this session")+")");
       dlTotal->setText(misc::friendlyUnit(h.all_time_download()) + " ("+misc::friendlyUnit(h.total_payload_download())+" "+tr("this session")+")");
@@ -285,8 +287,6 @@ void PropertiesWidget::loadDynamicData() {
       }
       lbl_elapsed->setText(elapsed_txt);
       lbl_connections->setText(QString::number(h.num_connections())+" ("+tr("%1 max", "e.g. 10 max").arg(QString::number(h.connections_limit()))+")");
-    // Load peers
-    peersList->loadPeers(h);
       // Update ratio info
       float ratio;
       if(h.total_payload_download() == 0){
@@ -306,10 +306,19 @@ void PropertiesWidget::loadDynamicData() {
         progressBarUpdater->refresh();
       // Progress
       progress_lbl->setText(QString::number(h.progress()*100., 'f', 1)+"%");
+      return;
+    }
+    if(stackedProperties->currentIndex() == PEERS_TAB) {
+      // Load peers
+      peersList->loadPeers(h);
+      return;
+    }
+    if(stackedProperties->currentIndex() == FILES_TAB) {
       // Files progress
       std::vector<size_type> fp;
       h.file_progress(fp);
       PropListModel->updateFilesProgress(fp);
+    }
   } catch(invalid_handle e) {}
 }