public void ReceiveCommandInput(char command)
{
if (Text == null)
{
Text = "";
}
// Prevent alt gr from triggering any of these as that combination is often needed for special characters
if (PlayerInput.IsAltDown())
{
return;
}
switch (command)
{
case '\b' when !Readonly: //backspace
if (PlayerInput.KeyDown(Keys.LeftControl) || PlayerInput.KeyDown(Keys.RightControl))
{
SetText(string.Empty, false);
CaretIndex = Text.Length;
}
else if (selectedCharacters > 0)
{
RemoveSelectedText();
}
else if (Text.Length > 0 && CaretIndex > 0)
{
CaretIndex--;
SetText(Text.Remove(CaretIndex, 1));
CalculateCaretPos();
ClearSelection();
}
OnTextChanged?.Invoke(this, Text);
break;
case (char)0x3: // ctrl-c
CopySelectedText();
break;
case (char)0x16 when !Readonly: // ctrl-v
string text = GetCopiedText();
RemoveSelectedText();
if (SetText(Text.Insert(CaretIndex, text)))
{
CaretIndex = Math.Min(Text.Length, CaretIndex + text.Length);
OnTextChanged?.Invoke(this, Text);
}
break;
case (char)0x18: // ctrl-x
CopySelectedText();
if (!Readonly)
{
RemoveSelectedText();
}
break;
case (char)0x1: // ctrl-a
if (PlayerInput.IsCtrlDown())
{
SelectAll();
}
break;
case (char)0x1A when !Readonly && !SubEditorScreen.IsSubEditor(): // ctrl-z
text = memento.Undo();
if (text != Text)
{
ClearSelection();
SetText(text, false);
CaretIndex = Text.Length;
OnTextChanged?.Invoke(this, Text);
}
break;
case (char)0x12 when !Readonly && !SubEditorScreen.IsSubEditor(): // ctrl-r
text = memento.Redo();
if (text != Text)
{
ClearSelection();
SetText(text, false);
CaretIndex = Text.Length;
OnTextChanged?.Invoke(this, Text);
}
break;
}
}