/// <summary>
/// Initializes a new instance of the <see cref="TerminalScreenCopy"/> class.
/// </summary>
/// <param name="terminalScreen">The screen from which to copy the content.</param>
public TerminalScreenCopy(Screen terminalScreen)
{
this.CursorRow = terminalScreen.CursorRow;
this.CursorColumn = terminalScreen.CursorColumn;
this.CursorHidden = terminalScreen.CursorHidden;
this.HasFocus = terminalScreen.HasFocus;
IEnumerable<ScreenLine> lines;
if (!terminalScreen.useAlternateBuffer && terminalScreen.scrollbackPosition > 0)
{
lines = terminalScreen.scrollbackBuffer.Skip(terminalScreen.scrollbackBuffer.Count - terminalScreen.scrollbackPosition).Take(terminalScreen.mainBuffer.Count);
if (terminalScreen.scrollbackPosition < terminalScreen.mainBuffer.Count)
{
lines = lines.Union(terminalScreen.mainBuffer.Take(terminalScreen.mainBuffer.Count - terminalScreen.scrollbackPosition));
}
this.CursorRow += terminalScreen.scrollbackPosition;
}
else
{
lines = terminalScreen.CurrentBuffer;
}
this.cells = lines.Select(l => l.Select(c => c.Clone()).ToArray()).ToArray();
}
/// <summary>
/// Initializes a new instance of the <see cref="ScreenModifier"/> class.
/// </summary>
/// <param name="screen">The screen that can be modified with this screen modifier.</param>
public ScreenModifier(Screen screen)
{
this.screen = screen;
Monitor.Enter(screen.changeLock);
}
