private void OnSeatCapabilities(IntPtr data, IntPtr seatHandle, SeatCapability seatCapabilities)
{
// Get a handle to, or add, this seat
SeatInstance seat = Seats.FirstOrDefault(s => s.Handle == seatHandle);
if (seat == null)
{
seat = new SeatInstance(seatHandle);
Seats.Add(seat);
}
seat.UpdateCapabilities(seatCapabilities);
}
internal void UpdateCapabilities(SeatCapability seatCapabilities)
{
// Determine newly added capabilities - if pointer is added let's grab a handle to it
SeatCapability[] allFlags = new SeatCapability[] { SeatCapability.Keyboard, SeatCapability.Pointer, SeatCapability.Touch };
List <SeatCapability> newFlags = new List <SeatCapability>();
foreach (SeatCapability flag in allFlags)
{
if (seatCapabilities.HasFlag(flag) && !Capabilities.Contains(flag))
{
Capabilities.Add(flag);
newFlags.Add(flag);
}
}
if (newFlags.Contains(SeatCapability.Pointer))
{
Pointer = new Pointer(SeatPointerGet(Handle));
}
if (newFlags.Contains(SeatCapability.Keyboard))
{
Keyboard = new Keyboard(SeatKeyboardGet(Handle));
}
// Determine removed capabilities - if pointer is removed we must dispose of it
List <SeatCapability> removedFlags = new List <SeatCapability>();
foreach (SeatCapability flag in allFlags)
{
if (!seatCapabilities.HasFlag(flag) && Capabilities.Contains(flag))
{
Capabilities.Remove(flag);
removedFlags.Add(flag);
}
}
if (removedFlags.Contains(SeatCapability.Pointer))
{
Pointer = null;
}
if (removedFlags.Contains(SeatCapability.Keyboard))
{
Keyboard = null;
}
}
