BrowserWindow: Make Ctrl+PgUp/Down shortcuts use tab bar order

src/lib/app/browserwindow.cpp

@@ -1344,15 +1344,13 @@ void BrowserWindow::keyPressEvent(QKeyEvent* event)
 
     case Qt::Key_Tab:
         if (event->modifiers() == Qt::ControlModifier) {
-            m_tabWidget->nextTab();
-            event->accept();
+            QApplication::sendEvent(m_tabWidget, event);
         }
         break;
 
     case Qt::Key_Backtab:
         if (event->modifiers() == (Qt::ControlModifier + Qt::ShiftModifier)) {
-            m_tabWidget->previousTab();
-            event->accept();
+            QApplication::sendEvent(m_tabWidget, event);
         }
         break;
 

src/lib/tabwidget/tabwidget.cpp

@@ -538,14 +538,12 @@ void TabWidget::setCurrentIndex(int index)
 
 void TabWidget::nextTab()
 {
-    QKeyEvent fakeEvent(QKeyEvent::KeyPress, Qt::Key_Tab, Qt::ControlModifier);
-    keyPressEvent(&fakeEvent);
+    setCurrentIndex((currentIndex() + 1) % count());
 }
 
 void TabWidget::previousTab()
 {
-    QKeyEvent fakeEvent(QKeyEvent::KeyPress, Qt::Key_Backtab, QFlags<Qt::KeyboardModifier>(Qt::ControlModifier + Qt::ShiftModifier));
-    keyPressEvent(&fakeEvent);
+    setCurrentIndex(currentIndex() == 0 ? count() - 1 : currentIndex() - 1);
 }
 
 int TabWidget::normalTabsCount() const