Fixed changing TabsOnTop option when there are more than one window.

src/lib/app/qupzilla.cpp

@@ -126,6 +126,7 @@ QupZilla::QupZilla(Qz::BrowserWindow type, QUrl startUrl)
     , m_sideBarManager(new SideBarManager(this))
     , m_statusBarMessage(new StatusBarMessage(this))
     , m_usingTransparentBackground(false)
+    , m_tabsOnTopState(-1)
 {
     setObjectName("mainwindow");
     setAttribute(Qt::WA_DeleteOnClose);
@@ -919,7 +920,7 @@ Qz::BrowserWindow QupZilla::windowType() const
 
 QWidget* QupZilla::navigationContainer() const
 {
-    if (!qzSettings->tabsOnTop) {
+    if (!tabsOnTop()) {
         return 0;
     }
 
@@ -938,6 +939,15 @@ bool QupZilla::isTransparentBackgroundAllowed()
     return m_usingTransparentBackground && !isFullScreen();
 }
 
+bool QupZilla::tabsOnTop() const
+{
+    if (m_tabsOnTopState == -1) {
+        m_tabsOnTopState = qzSettings->tabsOnTop ? 1 : 0;
+    }
+
+    return m_tabsOnTopState == 1;
+}
+
 void QupZilla::setWindowTitle(const QString &t)
 {
     QString title = t;
@@ -1213,7 +1223,7 @@ void QupZilla::aboutToShowViewMenu()
 
     m_actionShowStatusbar->setChecked(statusBar()->isVisible());
     m_actionShowBookmarksToolbar->setChecked(m_bookmarksToolbar->isVisible());
-    m_actionTabsOnTop->setChecked(qzSettings->tabsOnTop);
+    m_actionTabsOnTop->setChecked(tabsOnTop());
 
     m_actionPageSource->setEnabled(true);
 
@@ -1682,9 +1692,12 @@ void QupZilla::triggerTabsOnTop(bool enable)
         m_mainLayout->insertWidget(0, m_navigationContainer);
     }
 
-    Settings settings;
+    m_tabsOnTopState = enable ? 1 : 0;
-    settings.setValue("Browser-Tabs-Settings/TabsOnTop", enable);
+    if (enable != qzSettings->tabsOnTop) {
-    qzSettings->tabsOnTop = enable;
+        Settings settings;
+        settings.setValue("Browser-Tabs-Settings/TabsOnTop", enable);
+        qzSettings->tabsOnTop = enable;
+    }
 
 #ifdef Q_OS_WIN
     // workaround for changing TabsOnTop state when sidebar is visible
@@ -1778,7 +1791,7 @@ void QupZilla::webSearch()
 void QupZilla::searchOnPage()
 {
     SearchToolBar* toolBar = searchToolBar();
-    const int searchPos = qzSettings->tabsOnTop ? 1 : 2;
+    const int searchPos = tabsOnTop() ? 1 : 2;
 
     if (!toolBar) {
         toolBar = new SearchToolBar(weView(), this);
@@ -2212,7 +2225,7 @@ void QupZilla::closeEvent(QCloseEvent* event)
 SearchToolBar* QupZilla::searchToolBar()
 {
     SearchToolBar* toolBar = 0;
-    const int searchPos = qzSettings->tabsOnTop ? 1 : 2;
+    const int searchPos = tabsOnTop() ? 1 : 2;
 
     if (m_mainLayout->count() == searchPos + 1) {
         toolBar = qobject_cast<SearchToolBar*>(m_mainLayout->itemAt(searchPos)->widget());

src/lib/app/qupzilla.h

@@ -114,6 +114,7 @@ public:
     QUrl homepageUrl() { return m_homepage; }
 
     bool isTransparentBackgroundAllowed();
+    bool tabsOnTop() const;
 
 signals:
     void startingCompleted();
@@ -345,6 +346,7 @@ private:
     QTimer* m_hideNavigationTimer;
 
     QList<QPointer<QWidget> > m_deleteOnCloseWidgets;
+    mutable int m_tabsOnTopState;
 };
 
 #endif // QUPZILLA_H

src/lib/navigation/navigationcontainer.cpp

@@ -31,7 +31,7 @@ void NavigationContainer::paintEvent(QPaintEvent* event)
 {
     QWidget::paintEvent(event);
 
-    if (qzSettings->tabsOnTop) {
+    if (p_QupZilla->tabsOnTop()) {
         // Draw line at the bottom of navigation bar if tabs are on top
         // To visually distinguish navigation bar from the page
         QPainter p(this);

src/lib/webview/webtab.cpp

@@ -335,7 +335,7 @@ QPixmap WebTab::renderTabPreview()
 
 void WebTab::showNotification(QWidget* notif)
 {
-    const int notifPos = qzSettings->tabsOnTop ? 1 : 0;
+    const int notifPos = p_QupZilla->tabsOnTop() ? 1 : 0;
 
     if (m_layout->count() > notifPos + 1) {
         delete m_layout->itemAt(notifPos)->widget();
@@ -408,7 +408,7 @@ void WebTab::disconnectObjects()
 
 void WebTab::hideNavigationBar()
 {
-    if (m_navigationContainer && qzSettings->tabsOnTop) {
+    if (m_navigationContainer && p_QupZilla->tabsOnTop()) {
         m_layout->removeWidget(m_navigationContainer);
 
         // Needed to prevent flickering when closing tabs