QmlProfiler: Remove ScrollableQuickView

As the timeline can scroll by itself now we don't need an external
scrolling helper anymore.

Change-Id: I831eaf2302ced7649b4746e5c7d10121d83a4794
Reviewed-by: Aurindam Jana <aurindam.jana@digia.com>

src/plugins/qmlprofiler/qmlprofilertraceview.cpp

@@ -59,19 +59,6 @@ using namespace QmlDebug;
 namespace QmlProfiler {
 namespace Internal {
 
-/////////////////////////////////////////////////////////
-bool MouseWheelResizer::eventFilter(QObject *obj, QEvent *event)
-{
-    if (event->type() == QEvent::Wheel) {
-        QWheelEvent *ev = static_cast<QWheelEvent *>(event);
-        if (ev->modifiers() & Qt::ControlModifier) {
-            emit mouseWheelMoved(ev->pos().x(), ev->pos().y(), ev->delta());
-            return true;
-        }
-    }
-    return QObject::eventFilter(obj, event);
-}
-
 /////////////////////////////////////////////////////////
 void ZoomControl::setRange(qint64 startTime, qint64 endTime)
 {
@@ -82,25 +69,6 @@ void ZoomControl::setRange(qint64 startTime, qint64 endTime)
     }
 }
 
-/////////////////////////////////////////////////////////
-ScrollableQuickView::ScrollableQuickView(QQuickView *parent)
-    : QQuickView(parent)
-{
-}
-
-ScrollableQuickView::~ScrollableQuickView()
-{
-}
-
-void ScrollableQuickView::scrollContentsBy(int /*dx*/, int dy)
-{
-    // special workaround to track the scrollbar
-    if (rootObject()) {
-        int scrollY = rootObject()->property("scrollY").toInt();
-        rootObject()->setProperty("scrollY", QVariant(scrollY - dy));
-    }
-}
-
 /////////////////////////////////////////////////////////
 class QmlProfilerTraceView::QmlProfilerTraceViewPrivate
 {
@@ -121,7 +89,7 @@ public:
 
     QSize m_sizeHint;
 
-    ScrollableQuickView *m_mainView;
+    QQuickView *m_mainView;
     QQuickView *m_timebar;
     QQuickView *m_overview;
     QmlProfilerModelManager *m_modelManager;
@@ -146,13 +114,10 @@ QmlProfilerTraceView::QmlProfilerTraceView(QWidget *parent, Analyzer::IAnalyzerT
     groupLayout->setContentsMargins(0, 0, 0, 0);
     groupLayout->setSpacing(0);
 
-    d->m_mainView = new ScrollableQuickView();
+    d->m_mainView = new QQuickView();
     d->m_mainView->setResizeMode(QQuickView::SizeRootObjectToView);
     QWidget *mainViewContainer = QWidget::createWindowContainer(d->m_mainView);
 
-    MouseWheelResizer *resizer = new MouseWheelResizer(this);
-    connect(resizer,SIGNAL(mouseWheelMoved(int,int,int)), this, SLOT(mouseWheelMoved(int,int,int)));
-
     QHBoxLayout *toolsLayout = new QHBoxLayout;
 
     d->m_timebar = new QQuickView();
@@ -414,16 +379,6 @@ void QmlProfilerTraceView::updateRange()
     QMetaObject::invokeMethod(d->m_mainView->rootObject()->findChild<QObject*>(QLatin1String("zoomSliderToolBar")), "updateZoomLevel");
 }
 
-void QmlProfilerTraceView::mouseWheelMoved(int mouseX, int mouseY, int wheelDelta)
-{
-    Q_UNUSED(mouseY);
-    QQuickItem *rootObject = d->m_mainView->rootObject();
-    if (rootObject) {
-        QMetaObject::invokeMethod(rootObject, "wheelZoom",
-                                  Q_ARG(QVariant, QVariant(mouseX)),
-                                  Q_ARG(QVariant, QVariant(wheelDelta)));
-    }
-}
 ////////////////////////////////////////////////////////
 void QmlProfilerTraceView::updateToolTip(const QString &text)
 {

src/plugins/qmlprofiler/qmlprofilertraceview.h

@@ -45,17 +45,6 @@ namespace Internal {
 class QmlProfilerStateManager;
 class QmlProfilerViewManager;
 
-// capture mouse wheel events
-class MouseWheelResizer : public QObject {
-    Q_OBJECT
-public:
-    MouseWheelResizer(QObject *parent=0):QObject(parent){}
-protected:
-    bool eventFilter(QObject *obj, QEvent *event);
-signals:
-    void mouseWheelMoved(int x, int y, int delta);
-};
-
 // centralized zoom control
 class ZoomControl : public QObject {
     Q_OBJECT
@@ -75,17 +64,6 @@ private:
     qint64 m_endTime;
 };
 
-class ScrollableQuickView : public QQuickView
-{
-    Q_OBJECT
-public:
-    explicit ScrollableQuickView(QQuickView *parent = 0);
-    ~ScrollableQuickView();
-protected:
-    void scrollContentsBy(int dx, int dy);
-};
-
-
 class QmlProfilerTraceView : public QWidget
 {
     Q_OBJECT
@@ -113,7 +91,6 @@ private slots:
     void updateLockButton();
 
     void updateRange();
-    void mouseWheelMoved(int mouseX, int mouseY, int wheelDelta);
 
     void updateToolTip(const QString &text);
     void profilerDataModelStateChanged();