Navigating in tabs with Ctrl + PgUp/PgDown.

- closes #331

src/lib/app/qupzilla.cpp

@@ -1651,13 +1651,29 @@ void QupZilla::keyPressEvent(QKeyEvent* event)
 
     case Qt::Key_Tab:
         if (event->modifiers() == Qt::ControlModifier) {
-            m_tabWidget->createKeyPressEvent(event);
+            m_tabWidget->nextTab();
+            event->accept();
         }
         break;
 
     case Qt::Key_Backtab:
         if (event->modifiers() == (Qt::ControlModifier + Qt::ShiftModifier)) {
-            m_tabWidget->createKeyPressEvent(event);
+            m_tabWidget->previousTab();
+            event->accept();
+        }
+        break;
+
+    case Qt::Key_PageDown:
+        if (event->modifiers() == Qt::ControlModifier) {
+            m_tabWidget->nextTab();
+            event->accept();
+        }
+        break;
+
+    case Qt::Key_PageUp:
+        if (event->modifiers() == Qt::ControlModifier) {
+            m_tabWidget->previousTab();
+            event->accept();
         }
         break;
 

src/lib/webview/tabwidget.cpp

@@ -159,11 +159,6 @@ WebTab* TabWidget::weTab(int index)
     return qobject_cast<WebTab*>(widget(index));
 }
 
-void TabWidget::createKeyPressEvent(QKeyEvent* event)
-{
-    QTabWidget::keyPressEvent(event);
-}
-
 void TabWidget::showButtons()
 {
     m_buttonListTabs->show();
@@ -472,6 +467,18 @@ void TabWidget::setTabText(int index, const QString &text)
     QTabWidget::setTabText(index, newtext);
 }
 
+void TabWidget::nextTab()
+{
+    QKeyEvent fakeEvent(QKeyEvent::KeyPress, Qt::Key_Tab, Qt::ControlModifier);
+    keyPressEvent(&fakeEvent);
+}
+
+void TabWidget::previousTab()
+{
+    QKeyEvent fakeEvent(QKeyEvent::KeyPress, Qt::Key_Backtab, QFlags<Qt::KeyboardModifier>(Qt::ControlModifier + Qt::ShiftModifier));
+    keyPressEvent(&fakeEvent);
+}
+
 void TabWidget::reloadTab(int index)
 {
     weTab(index)->reload();

src/lib/webview/tabwidget.h

@@ -69,17 +69,19 @@ public:
     void setTabIcon(int index, const QIcon &icon);
     void setTabText(int index, const QString &text);
 
-    inline TabBar* getTabBar() { return m_tabBar; }
+    void nextTab();
-    inline ClosedTabsManager* closedTabsManager() { return m_closedTabsManager; }
+    void previousTab();
+
+    void showTabBar();
+
+    TabBar* getTabBar() { return m_tabBar; }
+    ClosedTabsManager* closedTabsManager() { return m_closedTabsManager; }
     bool canRestoreTab();
     QList<WebTab*> allTabs(bool withPinned = true);
     QStackedWidget* locationBars() { return m_locationBars; }
     ToolButton* buttonListTabs() { return m_buttonListTabs; }
     AddTabButton* buttonAddTab() { return m_buttonAddTab; }
 
-    void createKeyPressEvent(QKeyEvent* event);
-    void showTabBar();
-
     void disconnectObjects();
 
 signals: