/// <summary>
/// If the given control shall be visible, an invisible placeholder is added to this form at a new, random location.
/// In the next iteration, the actual control will replace the placeholder at that location.
/// </summary>
/// <param name="control"></param>
/// <param name="isVisible"></param>
private void PreparePlaceholderControl(Control control, bool isVisible)
{
if (control == null)
{
return;
}
if (!isVisible)
{
control.Visible = false;
return;
}
// Add the control and a placeholder of the same size to their respective lists.
visibleControls.Add(control);
Control placeholder = new Control("", control.Left, control.Top, control.Width, control.Height);
placeholderControls.Add(placeholder);
// Place the placeholder at a random location.
placeholder.Location = InfoPanelPainter.SuggestLocation(control.Size, this.Size, this.random);
// Add the invisible placeholder control to this form.
placeholder.Visible = false;
this.Controls.Add(placeholder);
}
/// <summary>
/// Creates a ScreenSaverController instance,
/// draws an initial maze
/// and starts an AriadneController.
/// </summary>
/// <param name="windowHandleArg">The MazePainter will draw on this window.</param>
/// <remarks>
/// If this is not the primary screen, no cotroller is started,
/// the application will terminate and the screen will stay blank.
/// </remarks>
public ScreenSaverController(string windowHandleArg)
{
#region Evaluate the given window's properties.
var windowHandle = (IntPtr)UInt32.Parse(windowHandleArg);
var targetGraphics = Graphics.FromHwnd(windowHandle);
var targetRectangle = Platform.GetClientRectangle(windowHandle);
//Log.WriteLine("targetRectangle = " + targetRectangle, true); // {X=0,Y=0,Width=1366,Height=768}
#endregion
#if true
#region Blank secondary screen(s).
// ... because more than one of these mazes is just too distracting. :-)
if (!IsOnPrimaryScreen(windowHandle))
{
// We don't have to do anything, really.
// xscreensaver has given us a blank (black) window and we may
// terminate the application
//Log.WriteLine("Goodbye on " + targetRectangle, true);
//Application.Run();
Application.Exit();
}
#endregion
#endif
// Create an ImageLoader, now that it is clear that we will need it.
Directory.ResultValidForSeconds = -1;
var imageLoader = ImageLoader.GetScreenSaverImageLoader(Screen.PrimaryScreen.Bounds);
#region Create a MazePainter.
this.painter = new MazePainter(targetGraphics, targetRectangle, this as IMazePainterClient);
#endregion
#region Create a MazeUserControl.
this.mazeUserControl = new MazeUserControl(painter, targetRectangle.Size);
this.mazeUserControl.ImageLoader = imageLoader;
this.mazeUserControl.MazeForm = this;
#endregion
#region Apply some registered options.
if (RegisteredOptions.GetBoolSetting(RegisteredOptions.OPT_PAINT_ALL_WALLS) == false)
{
painter.RandomizeWallVisibility = true;
}
ContourImage.DisplayProcessedImage = RegisteredOptions.GetBoolSetting(RegisteredOptions.OPT_IMAGE_SUBTRACT_BACKGROUND);
// Load background images.
if (RegisteredOptions.GetBoolSetting(RegisteredOptions.OPT_BACKGROUND_IMAGES))
{
string imageFolder = RegisteredOptions.GetStringSetting(RegisteredOptions.OPT_BACKGROUND_IMAGE_FOLDER);
if (imageFolder == "")
{
imageFolder = RegisteredOptions.GetStringSetting(RegisteredOptions.OPT_IMAGE_FOLDER);
}
int percentage = ((RegisteredOptions.GetIntSetting(RegisteredOptions.OPT_IMAGE_NUMBER) > 0) ? 20 : 100);
painter.CreateBackgroundImageLoader(imageFolder, percentage);
}
if (RegisteredOptions.GetBoolSetting(RegisteredOptions.OPT_SHOW_DETAILS_BOX))
{
this.infoPanelPainter = new InfoPanelPainter(painter);
}
#endregion
// Create and display the first maze.
this.OnNew(null, null);
#region Create and start an AriadneController.
SolverController controller = new SolverController(this, painter, null);
this.ariadneController = new AriadneController(this, controller);
ariadneController.RepeatMode = true;
ariadneController.Start();
#endregion
}