private static StringSections GetStringSections(string message)
{
return(StringSections.FromString(message, SectionBufferWidth, LeftSideIndicator, RightSideIndicator,
BaseSection));
}
public static string GetInputLineNew(Server server, ShiftingList prevMessages)
{
if (server.ServerConfig.RandomInputColors.Value)
{
RandomizeInputColors();
}
string curMessage = "";
string message = "";
int messageCursor = 0;
int prevMessageCursor = -1;
StringSections curSections = null;
int lastSectionIndex = -1;
bool exitLoop = false;
while (!exitLoop)
{
#region Key Press Handling
ConsoleKeyInfo key = Console.ReadKey(true);
switch (key.Key)
{
case ConsoleKey.Backspace:
if (messageCursor > 0 && !message.IsEmpty())
{
message = message.Remove(--messageCursor, 1);
}
break;
case ConsoleKey.Delete:
if (messageCursor >= 0 && messageCursor < message.Length)
{
message = message.Remove(messageCursor, 1);
}
break;
case ConsoleKey.Enter:
exitLoop = true;
break;
case ConsoleKey.UpArrow:
prevMessageCursor++;
if (prevMessageCursor >= prevMessages.Count)
{
prevMessageCursor = prevMessages.Count - 1;
}
message = prevMessageCursor < 0 ? curMessage : prevMessages[prevMessageCursor];
break;
case ConsoleKey.DownArrow:
prevMessageCursor--;
if (prevMessageCursor < -1)
{
prevMessageCursor = -1;
}
message = prevMessageCursor < 0 ? curMessage : prevMessages[prevMessageCursor];
break;
case ConsoleKey.LeftArrow:
messageCursor--;
break;
case ConsoleKey.RightArrow:
messageCursor++;
break;
case ConsoleKey.Home:
messageCursor = 0;
break;
case ConsoleKey.End:
messageCursor = message.Length;
break;
case ConsoleKey.PageUp:
messageCursor -= SectionBufferWidth - TotalIndicatorLength;
break;
case ConsoleKey.PageDown:
messageCursor += SectionBufferWidth - TotalIndicatorLength;
break;
default:
message = message.Insert(messageCursor++, key.KeyChar.ToString());
break;
}
#endregion
if (prevMessageCursor < 0)
{
curMessage = message;
}
// If the input is done and should exit the loop, this will cause the loop to be exited and the input to be processed
if (exitLoop)
{
// Reset the current input parameters
ResetInputParams();
if (!string.IsNullOrEmpty(message))
{
prevMessages.Add(message);
}
return(message);
}
if (messageCursor < 0)
{
messageCursor = 0;
}
else if (messageCursor > message.Length)
{
messageCursor = message.Length;
}
#region Input Printing Management
// If the message has changed, re-write it to the console
if (CurrentMessage != message)
{
if (message.Length > SectionBufferWidth && SectionBufferWidth - TotalIndicatorLength > 0)
{
curSections = GetStringSections(message);
StringSection?curSection =
curSections.GetSection(IndexMinusOne(messageCursor), out int sectionIndex);
if (curSection != null)
{
lastSectionIndex = sectionIndex;
SetCurrentInput(curSection.Value.Section);
CurrentCursor = curSection.Value.GetRelativeIndex(messageCursor);
WriteInputAndSetCursor();
}
else
{
server.Write("Error while processing input string: curSection is null!", ConsoleColor.Red);
}
}
else
{
curSections = null;
SetCurrentInput(message);
CurrentCursor = messageCursor;
WriteInputAndSetCursor();
}
}
else if (CurrentCursor != messageCursor)
{
try
{
// If the message length is longer than the buffer width (being cut into sections), re-write the message
if (curSections != null)
{
StringSection?curSection =
curSections.GetSection(IndexMinusOne(messageCursor), out int sectionIndex);
if (curSection != null)
{
CurrentCursor = curSection.Value.GetRelativeIndex(messageCursor);
// If the cursor index is in a different section from the last section, fully re-draw it
if (lastSectionIndex != sectionIndex)
{
lastSectionIndex = sectionIndex;
SetCurrentInput(curSection.Value.Section);
WriteInputAndSetCursor();
}
// Otherwise, if only the relative cursor index has changed, set only the cursor
else
{
SetCursor();
}
}
else
{
server.Write("Error while processing input string: curSection is null!",
ConsoleColor.Red);
}
}
else
{
CurrentCursor = messageCursor;
SetCursor();
}
}
catch (Exception e)
{
Program.LogDebugException(nameof(Write), e);
CurrentCursor = messageCursor;
SetCursor();
}
}
CurrentMessage = message;
#endregion
}
return(null);
}