/// <summary>
/// Attempts to add a region
/// Note that a region will be disabled by default
/// </summary>
/// <param name="newRegion"></param>
/// <returns>
/// will return an identifier to your newly created region
/// should you want to fiddle with it later
/// </returns>
private WindowBoundInteractionRegionIdentifier AddRegion(GUIRegion newRegion)
{
newRegion.CanActivate = true;
if (newRegion.DwellTime == null)
{
newRegion.DwellTime = new TimeSpan(0, 0, DEFAULT_TIME_SPAN);
}
newRegion.Enabled = false;
//TODO: Figure out what these calls does
//newRegion.AlwaysInteractive = true;
//newRegion.IsActivating = true;
//newRegion.UsesCoordinate = true;
try
{
logger.Info("about to add a new region");
Interaction.AddRegion(newRegion); //this is what actually makes tobii start tracking our region
}
catch (Exception) //will occur if the region was already added, Interaction.AddRegion can throw stuff
{
logger.Warn("Failed to add a new region, region was most likely already added");
return(null);
}
logger.Info("Successfully added a new region");
newRegion.regionActivated += newRegion_regionActivated;
return(newRegion.RegionIdentifier);
}
/// <summary>
/// Unloads a Menu, preferably only provide this
/// function with the menu that is currently loaded
/// </summary>
/// <param name="menu"></param>
public void UnloadMenu(Menu menu)
{
foreach (GUIRegion region in menu.GetRegions())
{
Interaction.RemoveRegion(region.RegionIdentifier);
}
if (menu.leftOff != null)
{
Interaction.RemoveRegion(menu.leftOff.region.RegionIdentifier);
}
if (menu.rightOff != null)
{
Interaction.RemoveRegion(menu.rightOff.region.RegionIdentifier);
}
if (menu.botOff != null)
{
Interaction.RemoveRegion(menu.botOff.region.RegionIdentifier);
}
if (menu.topOff != null)
{
Interaction.RemoveRegion(menu.topOff.region.RegionIdentifier);
}
}