private void UpdateOption(int index)
{
if (!_updateOptions)
{
return;
}
var displayedIndex = index - _displayOffset;
if (displayedIndex < 0 || displayedIndex >= _displayed.Count)
{
return;
}
var text = _options.Count > index ? _options[index].Text : ConsoleString.Empty;
text = GetPrefix(index) + text;
if (text == _displayed[displayedIndex])
{
return;
}
var offset = new ConsoleSize(_prompt.Length, displayedIndex);
int oldLen = _displayed[displayedIndex].Length;
_console.TemporaryShift(_origin + offset, c =>
{
c.Render(new string(' ', oldLen) + new string('\b', oldLen));
c.Write(text);
});
_displayed[displayedIndex] = text;
}
public void SetWindowSize(int width, int height)
{
if (width + WindowLeft > BufferWidth)
{
throw new ArgumentOutOfRangeException(nameof(width));
}
if (height + WindowTop > BufferHeight)
{
throw new ArgumentOutOfRangeException(nameof(height));
}
_windowSize = new ConsoleSize(width, height);
}
public TestingConsole()
{
_bufferSize = new ConsoleSize(80, 300);
_cursorPosition = new ConsolePoint(0, 0);
_windowSize = new ConsoleSize(_bufferSize.Width, 20);
_windowPosition = new ConsolePoint(0, 0);
CursorVisible = true;
ResetColor();
_content = new List <char[]>();
_foreground = new List <ConsoleColor[]>();
_background = new List <ConsoleColor[]>();
_input = new InputCollection();
}
static void InitUi(int x, int y)
{
Console.CursorVisible = false;
ConsoleSize.SetWindowSize(x + 2, y + 7);
Console.SetCursorPosition(0, 0);
ConsoleWrite.WriteRowOf('#');
for (int i = 0; i < y; i++)
{
Console.Write("#");
for (int j = 0; j < x; j++)
{
Console.Write(" ");
}
Console.Write("#");
}
ConsoleWrite.WriteRowOf('#');
ConsoleWrite.WriteCentered("Snake");
ShowScore(y, 0);
}
public void SetBufferSize(int width, int height)
{
if (width == _bufferSize.Width && height == _bufferSize.Height)
{
return;
}
if (height < _content.Count)
{
_content.RemoveRange(height, _content.Count - height);
_foreground.RemoveRange(height, _foreground.Count - height);
_background.RemoveRange(height, _background.Count - height);
}
for (int r = 0; r < _content.Count; r++)
{
var c = _content[r];
var fg = _foreground[r];
var bg = _background[r];
Array.Resize(ref c, width);
Array.Resize(ref fg, width);
Array.Resize(ref bg, width);
for (int i = _bufferSize.Width; i < width; i++)
{
c[i] = ' ';
fg[i] = ConsoleColor.DarkGray;
bg[i] = ConsoleColor.Black;
}
_content[r] = c;
_foreground[r] = fg;
_background[r] = bg;
}
_bufferSize = new ConsoleSize(width, height);
}
/// <summary>
/// Initializes a new instance of the <see cref="MenuDisplay{T}"/> class.
/// </summary>
/// <param name="offset">The offset from the current cursor position where to menu should be displayed.</param>
/// <param name="displayedLines">
/// The maximum number of console lines the menu display should use.
/// The menu can display more options than this value.
/// Values greater than the height of the console can result in odd effects.</param>
public MenuDisplay(IConsole console, ConsoleSize offset, int displayedLines)
: this(console, console.GetCursorPosition() + offset, displayedLines)
{
}
public virtual void SetUnit(ConsoleSize unit)
{
Unit = unit;
}
