QmlDesigner: cleanup unused methods

- remove javascript methods: scrollView(delta), resetView()
 - remove javascript related signals
 - remove visibleCount debug output

Change-Id: I63b0a204d7f570986e41fc9fb3762f13e5d63d79
Reviewed-by: Marco Bubke <marco.bubke@digia.com>

share/qtcreator/qmldesigner/itemLibraryQmlSources/ItemsView.qml

@@ -60,23 +60,9 @@ pixmap itemPixmap
 Rectangle {
     id: itemsView
 
-    // public
-
-    function scrollView(delta) {
-        scrollbar.scroll(-delta / style.scrollbarWheelDeltaFactor)
-    }
-
-    function resetView() {
-        scrollbar.reset()
-    }
-
     signal itemSelected(int itemLibId)
     signal itemDragged(int itemLibId)
-
     signal stopDragAndDrop
-
-    // internal
-
     signal expandAllEntries
 
     ItemsViewStyle { id: style }

src/plugins/qmldesigner/components/itemlibrary/itemlibrarymodel.cpp

@@ -269,7 +269,6 @@ int ItemLibraryModel::visibleSectionCount() const
         if (sectionModel->isVisible())
             ++visibleCount;
         ++sectionIterator;
-        qDebug() << __FUNCTION__ << visibleCount;
     }
 
     return visibleCount;

src/plugins/qmldesigner/components/itemlibrary/itemlibrarywidget.cpp

@@ -225,7 +225,6 @@ void ItemLibraryWidget::setSearchFilter(const QString &searchFilter)
 {
     if (m_stackedWidget->currentIndex() == 0) {
         m_itemLibraryModel->setSearchText(searchFilter);
-        emit resetItemsView();
         m_itemsView->update();
     } else {
         QStringList nameFilterList;
@@ -303,9 +302,6 @@ void ItemLibraryWidget::reloadQmlSource()
     QQuickItem *rootItem = qobject_cast<QQuickItem*>(m_itemsView->rootObject());
     connect(rootItem, SIGNAL(itemSelected(int)), this, SLOT(showItemInfo(int)));
     connect(rootItem, SIGNAL(itemDragged(int)), this, SLOT(startDragAndDropDelayed(int)));
-    connect(this, SIGNAL(scrollItemsView(QVariant)), rootItem, SLOT(scrollView(QVariant)));
-    connect(this, SIGNAL(resetItemsView()), rootItem, SLOT(resetView()));
-
 }
 
 void ItemLibraryWidget::setImportFilter(FilterChangeFlag flag)

src/plugins/qmldesigner/components/itemlibrary/itemlibrarywidget.h

@@ -114,8 +114,6 @@ protected:
 
 signals:
     void itemActivated(const QString& itemName);
-    void scrollItemsView(QVariant delta);
-    void resetItemsView();
     void qtBasicOnlyChecked(bool b);
     void meegoChecked(bool b);