public ScreenSaverForm(int scrn,
DonePaintingDelegate donePaintingDelegate,
ShutDownDelegate shutDownDelegate)
{
InitializeComponent();
screenNumber = scrn;
Bounds = Screen.AllScreens[screenNumber].Bounds;
this.donePaintingDelegate = donePaintingDelegate;
this.shutDownDelegate = shutDownDelegate;
gameOfLife = new GameOfLife(32);
SetStyle(ControlStyles.AllPaintingInWmPaint, true); // Name explains it.
SetStyle(ControlStyles.Opaque, true); // Background is taken care of by DrawImage.
SetStyle(ControlStyles.UserPaint, true); // if Allpainting is on, so must this.
SetStyle(ControlStyles.DoubleBuffer, true);
UpdateStyles();
}
public void ListenToQueue(ReceivedDelegate receivedFunction, ShutDownDelegate shutdownFunction)
{
IModel channel = connection.CreateModel();
channel.BasicQos(0, 1, false);
channel.QueueDeclare(queue: queueName,
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
EventingBasicConsumer eventingBasicConsumer = new EventingBasicConsumer(channel);
eventingBasicConsumer.Received += (sender, basicDeliveryEventArgs) =>
{
try
{
IBasicProperties basicProperties = basicDeliveryEventArgs.BasicProperties;
string body = Encoding.UTF8.GetString(basicDeliveryEventArgs.Body.ToArray());
if (receivedFunction(body))
{
channel.BasicAck(basicDeliveryEventArgs.DeliveryTag, false);
}
else
{
channel.BasicNack(basicDeliveryEventArgs.DeliveryTag, false, true);
}
}
catch (Exception)
{
channel.BasicNack(basicDeliveryEventArgs.DeliveryTag, false, true);
throw;
}
};
eventingBasicConsumer.Shutdown += (sender, shutdownEventArgs) =>
{
shutdownFunction();
};
channel.BasicConsume(queueName, false, eventingBasicConsumer);
}
/// <summary>
/// Adds a shutdown delegate to be executed when the console is about to close.
/// </summary>
/// <param name="d">The delegate</param>
public static void AddShutDownDelegate(ShutDownDelegate d)
{
// Add delegate to our shutdown delegates
shutDownDelegates += d;
// Also add to system shutdown/user logoff delegates
SystemEvents.SessionEnding += (a, b) => d();
}
public void RunTillShutdown()
{
donePaintingDel = new DonePaintingDelegate(DonePainting);
shutDownDel = new ShutDownDelegate(ShutDown);
screenCount = Screen.AllScreens.Length;
sf = new ScreenSaverForm[screenCount];
int i = 0;
for (i = 0; i < screenCount; i++)
{
sf[i] = new ScreenSaverForm(i, donePaintingDel, shutDownDel);
sf[i].Show();
sf[i].Draw();
}
while (screenCount > 0)
{
WaitHandle.WaitAny(manualEvents, new TimeSpan(0, 0, 0, 2), false);
if (shuttingDown == true)
{
CloseAllScreens();
continue;
}
try {
for (i = 0; i < Screen.AllScreens.Length; i++)
{
switch (sf[i].PaintStatus)
{
case PaintStates.ShuttingDown:
continue;
case PaintStates.PaintError:
IfPaintDoneResetStatuses(i);
Application.DoEvents();
sf[i].Draw();
break;
case PaintStates.OtherPaint:
IfPaintDoneResetStatuses(i);
break;
case PaintStates.NoActivity:
case PaintStates.OurPaintPending:
case PaintStates.PaintInProgress:
break;
case PaintStates.PaintSuccessful:
IfPaintDoneResetStatuses(i);
Application.DoEvents();
sf[i].Draw();
break;
}
}
} catch {
Cursor.Show();
throw;
}
}
}
