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Add command history navigation with up/down arrow keys

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Stone_Red
2026-06-11 18:23:48 +02:00
parent 6728835d77
commit 37c08fa3c5
2 changed files with 59 additions and 1 deletions
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Processes/CliProcess.cs
+32 -1
View File
@@ -7,6 +7,9 @@ internal class CliProcess() : Process("Cli")
{
private string currentInput = string.Empty;
private readonly List<string> commandHistory = [];
private int historyIndex = -1;
internal override void Start(string[] args)
{
Console.Clear();
@@ -26,6 +29,13 @@ internal class CliProcess() : Process("Cli")
case ConsoleKey.Enter:
Console.WriteLine();
if (!string.IsNullOrWhiteSpace(currentInput) && (commandHistory.Count == 0 || commandHistory[^1] != currentInput))
{
commandHistory.Add(currentInput);
}
historyIndex = commandHistory.Count;
HandleCommand(currentInput);
currentInput = string.Empty;
@@ -39,7 +49,28 @@ internal class CliProcess() : Process("Cli")
Console.Write("\b \b");
}
break;
case ConsoleKey.UpArrow:
if (commandHistory.Count > 0)
{
historyIndex = Math.Max(historyIndex - 1, 0);
currentInput = commandHistory[historyIndex];
Console.Write("\r> " + currentInput + new string('#', Console.WindowWidth - currentInput.Length - 2));
Console.CursorLeft = 0;
Console.CursorTop--;
Console.Write("> " + currentInput);
}
break;
case ConsoleKey.DownArrow:
if (commandHistory.Count > 0)
{
historyIndex = Math.Min(historyIndex + 1, commandHistory.Count - 1);
currentInput = commandHistory[historyIndex];
Console.Write("\r> " + currentInput + new string('#', Console.WindowWidth - currentInput.Length - 2));
Console.CursorLeft = 0;
Console.CursorTop--;
Console.Write("> " + currentInput);
}
break;
default:
if (!char.IsControl(key.KeyChar))
{
Processes/TerminalProcess.cs
+27
View File
@@ -13,6 +13,8 @@ public class TerminalProcess() : Process("Terminal")
{
private Window window = null!;
private readonly List<string> history = [];
private readonly List<string> commandHistory = [];
private int historyIndex = -1;
private string currentInput = "";
private readonly List<Text> textLines = [];
private readonly Lock textLinesLock = new();
@@ -49,6 +51,13 @@ public class TerminalProcess() : Process("Terminal")
if (keyEvent.Key == ConsoleKeyEx.Enter)
{
string cmd = currentInput;
if (!string.IsNullOrWhiteSpace(currentInput) && (commandHistory.Count == 0 || commandHistory[^1] != currentInput))
{
commandHistory.Add(currentInput);
}
historyIndex = commandHistory.Count;
PrintLine("> " + cmd);
currentInput = "";
@@ -85,6 +94,24 @@ public class TerminalProcess() : Process("Terminal")
UpdateDisplay();
}
}
else if (keyEvent.Key == ConsoleKeyEx.UpArrow)
{
if (commandHistory.Count > 0)
{
historyIndex = Math.Max(historyIndex - 1, 0);
currentInput = commandHistory[historyIndex];
UpdateDisplay();
}
}
else if (keyEvent.Key == ConsoleKeyEx.DownArrow)
{
if (commandHistory.Count > 0)
{
historyIndex = Math.Min(historyIndex + 1, commandHistory.Count - 1);
currentInput = commandHistory[historyIndex];
UpdateDisplay();
}
}
else if (!char.IsControl(keyEvent.KeyChar))
{
currentInput += keyEvent.KeyChar;