Add count of unread items to RSS tab label

Closes #2681.

src/gui/mainwindow.cpp

@@ -503,7 +503,8 @@ void MainWindow::displayRSSTab(bool enable)
         // RSS tab
         if (!rssWidget) {
             rssWidget = new RSSImp(tabs);
-            int index_tab = tabs->addTab(rssWidget, tr("RSS"));
+            connect(rssWidget, SIGNAL(updateRSSCount(int)), this, SLOT(updateRSSTabLabel(int)));
+            int index_tab = tabs->addTab(rssWidget, tr("RSS (%1)").arg(0));
             tabs->setTabIcon(index_tab, GuiIconProvider::instance()->getIcon("application-rss+xml"));
         }
     }
@@ -513,6 +514,11 @@ void MainWindow::displayRSSTab(bool enable)
 
 }
 
+void MainWindow::updateRSSTabLabel(int count)
+{
+    tabs->setTabText(tabs->indexOf(rssWidget), tr("RSS (%1)").arg(count));
+}
+
 void MainWindow::displaySearchTab(bool enable)
 {
     Preferences::instance()->setSearchEnabled(enable);

src/gui/mainwindow.h

@@ -138,6 +138,7 @@ protected slots:
 #if defined(Q_OS_WIN) || defined(Q_OS_MAC)
     void handleUpdateCheckFinished(bool update_available, QString new_version, bool invokedByUser);
 #endif
+    void updateRSSTabLabel(int count);
 
 protected:
     void dropEvent(QDropEvent *event);

src/gui/rss/rss_imp.cpp

@@ -637,8 +637,10 @@ void RSSImp::updateItemInfos(QTreeWidgetItem *item)
         return;
 
     QString name;
-    if (rss_item == m_rssManager)
+    if (rss_item == m_rssManager) {
         name = tr("Unread");
+        emit updateRSSCount(rss_item->unreadCount());
+    }
     else
         name = rss_item->displayName();
     item->setText(0, name + QString::fromUtf8("  (") + QString::number(rss_item->unreadCount()) + QString(")"));

src/gui/rss/rss_imp.h

@@ -57,6 +57,9 @@ public slots:
     void deleteSelectedItems();
     void updateRefreshInterval(uint val);
 
+signals:
+    void updateRSSCount(int);
+
 private slots:
     void on_newFeedButton_clicked();
     void refreshAllFeeds();