/// <summary>
/// Returns an array of events in the event queue.
/// It does not remove them from the event queue.
/// </summary>
/// <param name="eventMask">Mask of events to find in queue</param>
/// <param name="numberOfEvents">Number of events to find in queue</param>
/// <returns>Array of events in queue.</returns>
public static SdlEventArgs[] Peek(EventMask eventMask, int numberOfEvents)
{
Sdl.SDL_Event[] events = new Sdl.SDL_Event[numberOfEvents];
Sdl.SDL_PumpEvents();
int result =
Sdl.SDL_PeepEvents(
events,
events.Length,
Sdl.SDL_PEEKEVENT,
(int)eventMask);
if (result == (int)SdlFlag.Error)
{
throw SdlException.Generate();
}
SdlEventArgs[] eventsArray = new SdlEventArgs[result];
for (int i = 0; i < eventsArray.Length; i++)
{
if (events[i].type == (byte)EventTypes.UserEvent)
{
eventsArray[i] = (UserEventArgs)userEvents[events[i].user.code];
}
else
{
eventsArray[i] = SdlEventArgs.CreateEventArgs(events[i]);
}
}
return(eventsArray);
}
/// <summary>
/// Adds an event to the Event queue.
/// </summary>
/// <param name="sdlEvent">Event to add to queue</param>
public static void Add(SdlEventArgs sdlEvent)
{
// SdlEventArgs[] events = new SdlEventArgs[1];
// events[0] = sdlEvent;
// Add(events);
if (sdlEvent == null)
{
throw new ArgumentNullException("sdlEvent");
}
Sdl.SDL_Event evt = sdlEvent.EventStruct;
if (Sdl.SDL_PushEvent(out evt) != (int)SdlFlag.Success)
{
//throw SdlException.Generate();
}
}
/// <summary>
/// Retrieve events of a certain type
/// </summary>
/// <param name="eventMask">Event to retrieve</param>
/// <param name="numberOfEvents">Number of events to retrieve</param>
/// <returns>Array containing events</returns>
public static SdlEventArgs[] Retrieve(EventMask eventMask, int numberOfEvents)
{
Sdl.SDL_PumpEvents();
Sdl.SDL_Event[] events = new Sdl.SDL_Event[numberOfEvents];
int result = Sdl.SDL_PeepEvents(
events,
events.Length,
Sdl.SDL_GETEVENT,
(int)eventMask
);
if (result == (int)SdlFlag.Error)
{
throw SdlException.Generate();
}
SdlEventArgs[] eventsArray = new SdlEventArgs[result];
for (int i = 0; i < eventsArray.Length; i++)
{
if (events[i].type == (byte)EventTypes.UserEvent)
{
eventsArray[i] = (UserEventArgs)userEvents[events[i].user.code];
userEvents.Remove(events[i].user.code);
}
else
{
eventsArray[i] = SdlEventArgs.CreateEventArgs(events[i]);
}
}
return eventsArray;
}
/// <summary>
/// Raises Event and places it on the event queue
/// </summary>
/// <param name="sdlEvent">Event to be raised</param>
public static void AddEvent(SdlEventArgs sdlEvent)
{
Events.Add(sdlEvent);
}
/// <summary>
/// Adds an array of events to the event queue.
/// </summary>
/// <param name="sdlEvents">Array of events to add to queue.</param>
/// <returns></returns>
public static void Add(SdlEventArgs[] sdlEvents)
{
if (sdlEvents == null)
{
throw new ArgumentNullException("sdlEvents");
}
//Sdl.SDL_Event[] events = new Sdl.SDL_Event[sdlEvents.Length];
for (int i = 0; i < sdlEvents.Length; i++)
{
Add(sdlEvents[i]);
}
//
// int result =
// Sdl.SDL_PeepEvents(
// events,
// events.Length,
// Sdl.SDL_ADDEVENT,
// (int)EventMask.None);
//
// if (result == (int)SdlFlag.Error)
// {
// if (quitFlag == false)
// {
// throw SdlException.Generate();
// }
// }
}
/// <summary>
/// Adds an event to the Event queue.
/// </summary>
/// <param name="sdlEvent">Event to add to queue</param>
public static void Add(SdlEventArgs sdlEvent)
{
// SdlEventArgs[] events = new SdlEventArgs[1];
// events[0] = sdlEvent;
// Add(events);
if (sdlEvent == null)
{
throw new ArgumentNullException("sdlEvent");
}
Sdl.SDL_Event evt = sdlEvent.EventStruct;
if (Sdl.SDL_PushEvent(out evt) != (int)SdlFlag.Success)
{
//throw SdlException.Generate();
}
}
/// <summary>
/// Raises Event and places it on the event queue
/// </summary>
/// <param name="sdlEvent">Event to be raised</param>
public static void AddEvent(SdlEventArgs sdlEvent)
{
Events.Add(sdlEvent);
}
