Fix missing progress indicator during load.

Task-number: QTCREATORBUG-3380

src/plugins/help/helpviewer.cpp

@@ -164,6 +164,18 @@ void HelpViewer::home()
     setSource(homepage);
 }
 
+void HelpViewer::slotLoadStarted()
+{
+    qApp->setOverrideCursor(QCursor(Qt::WaitCursor));
+}
+
+void HelpViewer::slotLoadFinished(bool ok)
+{
+    Q_UNUSED(ok)
+    emit sourceChanged(source());
+    qApp->restoreOverrideCursor();
+}
+
 bool HelpViewer::handleForwardBackwardMouseButtons(QMouseEvent *event)
 {
     if (event->button() == Qt::XButton1) {

src/plugins/help/helpviewer.h

@@ -127,7 +127,8 @@ protected:
 
 private slots:
     void actionChanged();
-    void setLoadFinished(bool ok);
+    void slotLoadStarted();
+    void slotLoadFinished(bool ok);
 
 private:
     bool eventFilter(QObject *obj, QEvent *event);

src/plugins/help/helpviewer_qtb.cpp

@@ -72,7 +72,7 @@ HelpViewer::HelpViewer(qreal zoom, QWidget *parent)
     setViewerFont(font);
 
     connect(this, SIGNAL(sourceChanged(QUrl)), this, SIGNAL(titleChanged()));
-    connect(this, SIGNAL(loadFinished(bool)), this, SLOT(setLoadFinished(bool)));
+    connect(this, SIGNAL(loadFinished(bool)), this, SLOT(slotLoadFinished(bool)));
 }
 
 HelpViewer::~HelpViewer()
@@ -312,12 +312,6 @@ void HelpViewer::actionChanged()
     // stub
 }
 
-void HelpViewer::setLoadFinished(bool ok)
-{
-    Q_UNUSED(ok)
-    emit sourceChanged(source());
-}
-
 // -- private
 
 bool HelpViewer::eventFilter(QObject *obj, QEvent *event)

src/plugins/help/helpviewer_qwv.cpp

@@ -258,7 +258,8 @@ HelpViewer::HelpViewer(qreal zoom, QWidget *parent)
     connect(pageAction(QWebPage::Forward), SIGNAL(changed()), this,
         SLOT(actionChanged()));
     connect(this, SIGNAL(urlChanged(QUrl)), this, SIGNAL(sourceChanged(QUrl)));
-    connect(this, SIGNAL(loadFinished(bool)), this, SLOT(setLoadFinished(bool)));
+    connect(this, SIGNAL(loadStarted()), this, SLOT(slotLoadStarted()));
+    connect(this, SIGNAL(loadFinished(bool)), this, SLOT(slotLoadFinished(bool)));
     connect(this, SIGNAL(titleChanged(QString)), this, SIGNAL(titleChanged()));
     connect(page(), SIGNAL(printRequested(QWebFrame*)), this, SIGNAL(printRequested()));
 
@@ -435,12 +436,6 @@ void HelpViewer::actionChanged()
         emit forwardAvailable(a->isEnabled());
 }
 
-void HelpViewer::setLoadFinished(bool ok)
-{
-    Q_UNUSED(ok)
-    emit sourceChanged(source());
-}
-
 // -- private
 
 bool HelpViewer::eventFilter(QObject *obj, QEvent *event)