C++ (Cpp) adjust_with_direction Examples

Example #1

File: st-scroll-view.c Project: rcoscali/gnome-shell

static gboolean
st_scroll_view_scroll_event (ClutterActor       *self,
                             ClutterScrollEvent *event)
{
  StScrollViewPrivate *priv = ST_SCROLL_VIEW (self)->priv;

  /* don't handle scroll events if requested not to */
  if (!priv->mouse_scroll)
    return FALSE;

  if (clutter_event_is_pointer_emulated ((ClutterEvent *) event))
    return TRUE;

  switch (event->direction)
    {
    case CLUTTER_SCROLL_SMOOTH:
      {
        gdouble delta_x, delta_y;
        clutter_event_get_scroll_delta ((ClutterEvent *)event, &delta_x, &delta_y);
        st_adjustment_adjust_for_scroll_event (priv->hadjustment, delta_x);
        st_adjustment_adjust_for_scroll_event (priv->vadjustment, delta_y);
      }
      break;
    case CLUTTER_SCROLL_UP:
    case CLUTTER_SCROLL_DOWN:
      adjust_with_direction (priv->vadjustment, event->direction);
      break;
    case CLUTTER_SCROLL_LEFT:
    case CLUTTER_SCROLL_RIGHT:
      adjust_with_direction (priv->hadjustment, event->direction);
      break;
    }

  return TRUE;
}

Example #2

File: st-scroll-bar.c Project: CodyFagley/gnome-shell

static gboolean
st_scroll_bar_scroll_event (ClutterActor       *actor,
                            ClutterScrollEvent *event)
{
  StScrollBarPrivate *priv = ST_SCROLL_BAR (actor)->priv;

  if (clutter_event_is_pointer_emulated ((ClutterEvent *) event))
    return TRUE;

  switch (event->direction)
    {
    case CLUTTER_SCROLL_SMOOTH:
      {
        gdouble delta_x, delta_y;
        clutter_event_get_scroll_delta ((ClutterEvent *)event, &delta_x, &delta_y);

        if (priv->vertical)
          st_adjustment_adjust_for_scroll_event (priv->adjustment, delta_y);
        else
          st_adjustment_adjust_for_scroll_event (priv->adjustment, delta_x);
      }
      break;
    case CLUTTER_SCROLL_UP:
    case CLUTTER_SCROLL_DOWN:
    case CLUTTER_SCROLL_LEFT:
    case CLUTTER_SCROLL_RIGHT:
      adjust_with_direction (priv->adjustment, event->direction);
      break;
    }

  return TRUE;
}