QmlDesigner & friends: Fix various new warnings

Change-Id: Ia5e3d47e70e1881e70652f090ccc61543535df4e
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/plugins/qmldesigner/components/componentcore/abstractaction.h

@@ -40,7 +40,7 @@ public:
     DefaultAction(const QString &description);
 
     // virtual function instead of slot
-    virtual void actionTriggered(bool enable) {}
+    virtual void actionTriggered(bool enable) { Q_UNUSED(enable) }
     void setSelectionContext(const SelectionContext &selectionContext);
 
 protected:

src/plugins/qmldesigner/components/connectioneditor/dynamicpropertiesmodel.cpp

@@ -280,6 +280,7 @@ void DynamicPropertiesModel::bindingRemoved(const BindingProperty &bindingProper
 
 void DynamicPropertiesModel::selectionChanged(const QList<ModelNode> &selectedNodes)
 {
+    Q_UNUSED(selectedNodes)
     m_handleDataChanged = false;
     resetModel();
     m_handleDataChanged = true;

src/plugins/qmldesigner/components/formeditor/rotationtool.cpp

@@ -134,11 +134,6 @@ void RotationTool::keyPressEvent(QKeyEvent * event)
             event->setAccepted(false);
             return;
     }
-
-    double moveStep = 1.0;
-
-    if (event->modifiers().testFlag(Qt::ShiftModifier))
-        moveStep = 10.0;
 }
 
 void RotationTool::keyReleaseEvent(QKeyEvent * keyEvent)

src/plugins/qmldesigner/components/navigator/navigatortreeview.cpp

@@ -281,7 +281,7 @@ bool NavigatorTreeView::viewportEvent(QEvent *event)
         if (m_previewToolTip && m_previewToolTip->isVisible()) {
             auto *he = static_cast<QHoverEvent *>(event);
             QModelIndex index = indexAt(he->pos());
-            if (!index.isValid() || index.internalId() != m_previewToolTipNodeId) {
+            if (!index.isValid() || index.internalId() != quintptr(m_previewToolTipNodeId)) {
                 m_previewToolTip->hide();
                 m_previewToolTipNodeId = -1;
             } else {