After *appending* a character the caret is positioned after the last
character input pointing to the next position it will accept input.
Hence when you call getLineIndexOfChar(caret) you ask for info about a none
existing character.
This should work:
var tf:TextField = new TextField();
tf.type =
You have to do something like caret-1, and do some logic to detect if the
current line contains at least one character, and if it doesn't do a line++,
something along those lines.
My suspicion (which I just confirmed) was that the caret isn't actually
counted as a character in the textField,
I was curious, seems to get pretty ugly logic wise actually, this is the
quickest, easiest solution I came up with:
tf.addEventListener(Event.CHANGE, onChange);
function onChange(event:Event):void{
var caret:int = tf.caretIndex;
tf.appendText(_);
var line:int = tf.getLineIndexOfChar(caret);
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