Tabs: Make the code work better with zero tabs

src/lib/tabwidget/tabbar.cpp

@@ -88,7 +88,7 @@ void TabBar::loadSettings()
     settings.endGroup();
 
     setSelectionBehaviorOnRemove(activateLastTab ? QTabBar::SelectPreviousTab : QTabBar::SelectRightTab);
-    setVisible(!(count() == 1 && m_hideTabBarWithOneTab));
+    setVisible(!(count() <= 1 && m_hideTabBarWithOneTab));
 
     setUpLayout();
 }
@@ -107,7 +107,7 @@ void TabBar::setVisible(bool visible)
 
     // Make sure to honor user preference
     if (visible) {
-        visible = !(count() == 1 && m_hideTabBarWithOneTab);
+        visible = !(count() <= 1 && m_hideTabBarWithOneTab);
     }
 
     ComboTabBar::setVisible(visible);
@@ -416,7 +416,7 @@ void TabBar::tabInserted(int index)
 {
     Q_UNUSED(index)
 
-    setVisible(!(count() == 1 && m_hideTabBarWithOneTab));
+    setVisible(!(count() <= 1 && m_hideTabBarWithOneTab));
 }
 
 void TabBar::tabRemoved(int index)
@@ -424,7 +424,7 @@ void TabBar::tabRemoved(int index)
     Q_UNUSED(index)
 
     showCloseButton(currentIndex());
-    setVisible(!(count() == 1 && m_hideTabBarWithOneTab));
+    setVisible(!(count() <= 1 && m_hideTabBarWithOneTab));
 
     // Make sure to move add tab button to correct position when there are no normal tabs
     if (normalTabsCount() == 0) {

src/lib/tabwidget/tabwidget.cpp

@@ -471,7 +471,7 @@ void TabWidget::requestCloseTab(int index)
         return;
 
     // This would close last tab, so we close the window instead
-    if (count() == 1) {
+    if (count() <= 1) {
         // If we are not closing window upon closing last tab, let's just load new-tab-url
         if (m_dontCloseWithOneTab) {
             if (webView->url() == m_urlOnNewTab) {
@@ -661,7 +661,7 @@ void TabWidget::detachTab(int index)
 {
     WebTab* tab = weTab(index);
 
-    if (count() < 2) {
+    if (count() <= 1) {
         return;
     }