private static OptionsScreenType?ShowEditableOptions(OptionsScreenType currentScreen, string title, IList <OptionEditInfo> options)
{
while (true)
{
Screen.HoldUpdates();
DrawCommonSections(currentScreen);
Screen.Write(RowOffset, ColOffset, title);
Screen.Write(RowOffset + 1, ColOffset, SeparatorBar);
Screen.WriteListOfChoices(RowOffset + 2, ColOffset, options.Select(o => o.Text).ToArray());
for (int i = 0; i < options.Count; ++i)
{
string value = options[i].GetValue.Invoke();
Screen.Write(RowOffset + 2 + i, ColOffset + Width - value.Length, value);
}
Screen.Write(RowOffset + 2 + options.Count, ColOffset, SeparatorBar);
Screen.ResumeUpdates();
Screen.SetCursorPosition(RowOffset, ColOffset + title.Length);
ConsoleKeyInfo key = Input.ReadKey();
bool shift = (key.Modifiers & ConsoleModifiers.Shift) == ConsoleModifiers.Shift;
switch (key.Key)
{
case ConsoleKey.Tab:
int nextScreenIdx = shift? (int)currentScreen - 1 : (int)currentScreen + 1;
if (nextScreenIdx < 0)
{
nextScreenIdx = 3;
}
if (nextScreenIdx > 3)
{
nextScreenIdx = 0;
}
return((OptionsScreenType)nextScreenIdx);
case ConsoleKey.Escape:
// todo, space too? case ConsoleKey.Spacebar:
return(null);
//todo, help?
default:
int letterIndex = key.KeyChar - 'a';
if (letterIndex >= 0 && letterIndex < options.Count)
{
options[letterIndex].EditValue.Invoke(RowOffset + 2 + letterIndex, ColOffset + Width);
}
break;
}
}
}
private static void DrawCommonSections(OptionsScreenType currentScreen)
{
const int row = 0;
const int col = ColOffset;
const Color bgColor = Color.Black;
Screen.Clear();
Screen.Write(row, col, "Game Interface Controls Display Other", Color.DarkGray, bgColor);
Screen.Write(row, col + 50, "[ ] to switch", Color.Gray, bgColor);
Screen.Write(row, col + 51, "Tab", Color.Cyan, bgColor);
int highlightOffset;
string highlightLabel;
switch (currentScreen)
{
case OptionsScreenType.Interface:
highlightOffset = 0;
highlightLabel = "Game Interface";
break;
case OptionsScreenType.Controls:
highlightOffset = 18;
highlightLabel = "Controls";
break;
case OptionsScreenType.Display:
highlightOffset = 30;
highlightLabel = "Display";
break;
case OptionsScreenType.Other:
highlightOffset = 41;
highlightLabel = "Other";
break;
default: throw new InvalidOperationException("Invalid screen");
}
Screen.Write(row, col + highlightOffset, highlightLabel, Color.Green, bgColor);
}
