public void KeyPress(char keyChar)
{
if (ctrlModifier == true)
{
if (keyChar == '\n')
{
//Store input in recall buffer, clear input, and invoke command handler.
textBuffer.Write(textBuffer.activeInput.input + "\n");
var s = textBuffer.activeInput.input;
textBuffer.activeInput.input = "";
textBuffer.outputScrollPoint = 0;
textBuffer.activeInput.cursor = 0;
textBuffer.activeInput.scroll = 0;
commandRecallBuffer.Add(s);
recallBufferPlace = commandRecallBuffer.Count;
OnCommand(s);
}
}
else
{
if (keyChar == (char)System.Windows.Forms.Keys.Enter)
{
//Newline. Hack, since underlying display doesn't handle layout.
var newPosition = (int)System.Math.Ceiling((float)(textBuffer.activeInput.cursor + 1) / displayWidth)
* displayWidth;
if (textBuffer.activeInput.cursor < textBuffer.activeInput.input.Length)
{
textBuffer.activeInput.input =
textBuffer.activeInput.input.Insert(textBuffer.activeInput.cursor,
new String(' ', newPosition - textBuffer.activeInput.cursor));
}
else
{
textBuffer.activeInput.input += new String(' ', newPosition - textBuffer.activeInput.cursor);
}
textBuffer.activeInput.cursor = newPosition;
}
else if (keyChar == (char)System.Windows.Forms.Keys.Tab)
{
//Tab. Convertted to spaces immediately.
var newPosition = (int)System.Math.Ceiling((float)(textBuffer.activeInput.cursor + 1) / 4) * 4;
if (textBuffer.activeInput.cursor < textBuffer.activeInput.input.Length)
{
textBuffer.activeInput.input =
textBuffer.activeInput.input.Insert(textBuffer.activeInput.cursor,
new String(' ', newPosition - textBuffer.activeInput.cursor));
}
else
{
textBuffer.activeInput.input += new String(' ', newPosition - textBuffer.activeInput.cursor);
}
textBuffer.activeInput.cursor = newPosition;
}
else if (keyChar == (char)System.Windows.Forms.Keys.Back)
{
//Backspace.
if (textBuffer.activeInput.cursor > 0)
{
var front = textBuffer.activeInput.cursor - 1;
var sofar = textBuffer.activeInput.input.Substring(0, front);
var back = textBuffer.activeInput.input.Length - textBuffer.activeInput.cursor;
if (back > 0)
{
sofar +=
textBuffer.activeInput.input.Substring(textBuffer.activeInput.cursor, back);
}
textBuffer.activeInput.input = sofar;
textBuffer.activeInput.cursor -= 1;
}
}
else
{
//If we made it here, the key must be an ordinary key.
if (textBuffer.activeInput.cursor < textBuffer.activeInput.input.Length)
{
textBuffer.activeInput.input =
textBuffer.activeInput.input.Insert(textBuffer.activeInput.cursor,
new String(keyChar, 1));
}
else
{
textBuffer.activeInput.input += keyChar;
}
textBuffer.activeInput.cursor += 1;
}
}
}
public void Write(String s)
{
Buffer.Write(s);
}