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// QRectF bounds(boundX, boundY, boundWidth, boundHeight);
//
// if(bounds.contains(centerPoint)) {
// //We are within the bounds
// currentCenterPoint = centerPoint;
// } else {
// //We need to clamp or use the center of the screen
// if(visibleArea.contains(sceneBounds)) {
// //Use the center of scene ie. we can see the whole scene
// currentCenterPoint = sceneBounds.center();
// } else {
//
// currentCenterPoint = centerPoint;
//
// //We need to clamp the center. The centerPoint is too large
// if(centerPoint.x() > bounds.x() + bounds.width()) {
// currentCenterPoint.setX(bounds.x() + bounds.width());
// } else if(centerPoint.x() < bounds.x()) {
// currentCenterPoint.setX(bounds.x());
// }
//
// if(centerPoint.y() > bounds.y() + bounds.height()) {
// currentCenterPoint.setY(bounds.y() + bounds.height());
// } else if(centerPoint.y() < bounds.y()) {
// currentCenterPoint.setY(bounds.y());
// }
//
// }
// }
//
// //Update the scrollbars
// centerOn(currentCenterPoint);
//}
//
///**
// * Handles when the mouse button is pressed
// */
//void HDDisplay::mousePressEvent(QMouseEvent* event) {
// //For panning the view
// lastPanPoint = event->pos();
// setCursor(Qt::ClosedHandCursor);
//}
//
///**
// * Handles when the mouse button is released
// */
//void HDDisplay::mouseReleaseEvent(QMouseEvent* event) {
// setCursor(Qt::OpenHandCursor);
// lastPanPoint = QPoint();
//}
//
///**
//*Handles the mouse move event
//*/
//void HDDisplay::mouseMoveEvent(QMouseEvent* event) {
// if(!lastPanPoint.isNull()) {
// //Get how much we panned
// QPointF delta = mapToScene(lastPanPoint) - mapToScene(event->pos());
// lastPanPoint = event->pos();
//
// //Update the center ie. do the pan
// setCenter(getCenter() + delta);
// }
//}
//
///**
// * Zoom the view in and out.
// */
//void HDDisplay::wheelEvent(QWheelEvent* event) {
//
// //Get the position of the mouse before scaling, in scene coords
// QPointF pointBeforeScale(mapToScene(event->pos()));
//
// //Get the original screen centerpoint
// QPointF screenCenter = getCenter(); //CurrentCenterPoint; //(visRect.center());
//
// //Scale the view ie. do the zoom
// double scaleFactor = 1.15; //How fast we zoom
// if(event->delta() > 0) {
// //Zoom in
// scale(scaleFactor, scaleFactor);
// } else {
// //Zooming out
// scale(1.0 / scaleFactor, 1.0 / scaleFactor);
// }
//
// //Get the position after scaling, in scene coords
// QPointF pointAfterScale(mapToScene(event->pos()));
//
// //Get the offset of how the screen moved
// QPointF offset = pointBeforeScale - pointAfterScale;
//
// //Adjust to the new center for correct zooming
// QPointF newCenter = screenCenter + offset;
// setCenter(newCenter);
//}
//
///**
// * Need to update the center so there is no jolt in the
// * interaction after resizing the widget.
// */
//void HDDisplay::resizeEvent(QResizeEvent* event) {
// //Get the rectangle of the visible area in scene coords
// QRectF visibleArea = mapToScene(rect()).boundingRect();
// setCenter(visibleArea.center());
//
// //Call the subclass resize so the scrollbars are updated correctly
// QGraphicsView::resizeEvent(event);
//}