Fix tab bar visibility when the execution log tab is enabled

src/hidabletabwidget.h

@@ -36,9 +36,29 @@
 
 class HidableTabWidget : public QTabWidget {
 public:
+
   void showTabBar(bool show) {
     tabBar()->setVisible(show);
   }
+
+protected:
+  void tabInserted(int index) {
+    QTabWidget::tabInserted(index);
+    if(count() == 1) {
+      showTabBar(false);
+    } else {
+      showTabBar(true);
+    }
+  }
+
+  void tabRemoved(int index) {
+    QTabWidget::tabInserted(index);
+    if(count() == 1) {
+      showTabBar(false);
+    } else {
+      showTabBar(true);
+    }
+  }
 };
 
 #endif // HIDABLETABWIDGET_H

src/mainwindow.cpp

@@ -385,13 +385,10 @@ void MainWindow::displayRSSTab(bool enable) {
       int index_tab = tabs->addTab(rssWidget, tr("RSS"));
       tabs->setTabIcon(index_tab, misc::getIcon("application-rss+xml"));
     }
-    tabs->showTabBar(true);
   } else {
     if(rssWidget) {
       delete rssWidget;
     }
-    if(!searchEngine)
-      tabs->showTabBar(false);
   }
 }
 
@@ -402,13 +399,10 @@ void MainWindow::displaySearchTab(bool enable) {
       searchEngine = new SearchEngine(this);
       tabs->insertTab(1, searchEngine, misc::getIcon("edit-find"), tr("Search"));
     }
-    tabs->showTabBar(true);
   } else {
     if(searchEngine) {
       delete searchEngine;
     }
-    if(!rssWidget)
-      tabs->showTabBar(false);
   }
 }