changed colours and added validation to more inputs

mainWindow.cs

@@ -20,7 +20,7 @@ namespace Pithos
         }
         public void display(string text, Color colour) {
             /*  Message Color Codes:
-             *      Green: User Messages (Mainly Echo)
+             *      Light Green: User Messages (Mainly Echo)
              *      Orange: Admin Commands
              *      Black: General text / Date
              *      Red: Error Messages
@@ -35,44 +35,63 @@ namespace Pithos
             output.SelectionLength = text.Length;
             output.SelectionColor = colour;
             output.SelectionStart = length + text.Length;
-            output.SelectionColor = Color.Black;
+            output.SelectionColor = Color.White;
         }
         private void mainWindow_Load(object sender, EventArgs e)
         {
-            display("Currently Logged in as: " + Environment.UserDomainName + "\\" + Environment.UserName, Color.Blue);
+            display("Currently Logged in as: " + Environment.UserDomainName + "\\" + Environment.UserName, Color.White);
         }
 
-        private void executeButton_Click(object sender, EventArgs e)
+        private void executeButton_Click(object sender, EventArgs e) {
-        {
+            bool valid = false;
-            bool valid = true;
             string input = inputBox.Text;
             if (input == "") { display("Error: No command given.", Color.Red); return; } //if its empty, dont bother decoding
             string initChar = input.Substring(0, 1); //gets the first character in the input
             string[] args = input.Substring(1).Split(' '); //splits the input by spaces, and removes init character
-            switch (initChar)
-            {
-                case "/":
-                    if (args[0] == "exec") //runs a pithos program
-                    {
-                        pithosPrograms.decodeInput(input);
-                        return;
-                    }
-                    else if (args[0] == "start") //runs a program (using cmd)
-                    {
-                        
-                    }
-                    else { valid = decoder.command(input); } //decode other commands
-                    break;
-                case "¦": //admin commands
-                    privateFunctions.adminCommands(input);
-                    break;
-            }
-
-            if (input.Substring(0, 4).ToLower() == "echo")
-            {
-                display(input.Substring(5), Color.Green);
-            }
             inputBox.Text = ""; //clear the contents after execution
+            try
+            {
+                switch (initChar)
+                {
+                    case "/":
+                        if (args[0] == "exec") //runs a pithos program
+                        {
+                            valid = pithosPrograms.decodeInput(input);
+                            return;
+                        }
+                        else if (args[0] == "start") //runs a program (using cmd)
+                        {
+
+                        }
+                        else { valid = decoder.command(input); } //decode other commands
+                        break;
+
+                    case "¦": //admin commands
+                        if (!adminMode) {
+                            display("Access Denied: Admin commands are currently disabled.", Color.Orange);
+                            return;
+                        }
+                        valid = privateFunctions.adminCommands(input);
+                        break;
+
+                    default:
+                        break;
+                }
+            } catch {
+                displayError(input);
+                return;
+            }
+            if (!valid) { displayError(input); }
+        }
+
+        private void displayError(string input)
+        {
+            display("Error: Command '" + input + "' is not recognised.", Color.Red);
+        }
+
+        private void mainWindow_FormClosing(object sender, FormClosingEventArgs e)
+        {
+            Application.Exit();
         }
     }
 }