public bool CanAcceptThisChar(char c)
{
//TODO: review here, enable this feature or not
//some char can't be a start char on blank line
if (CurrentLine.IsBlankLine &&
!TextFlowEditSession.CanCaretStopOnThisChar(c))
{
return(false);
}
return(true);
}
public void AddCharacter(char c)
{
if (CurrentLine.IsBlankLine)
{
//TODO: review here, enable this feature or not
//some char can't be a start char on blank line
if (!TextFlowEditSession.CanCaretStopOnThisChar(c))
{
return;
}
//
//1. new
var run = new TextRun(this.CurrentSpanStyle, new char[] { c });
CurrentLine.AddLast(run);
SetCurrentTextRun(run);
}
else
{
Run run = CurrentTextRun;
if (run != null)
{
if (run.IsInsertable)
{
run.InsertAfter(CurrentTextRunCharIndex, c);
}
else
{
AddTextSpan(new TextRun(CurrentSpanStyle, new char[] { c }));
return;
}
}
else
{
throw new NotSupportedException();
}
}
CurrentLine.TextLineReCalculateActualLineSize();
CurrentLine.RefreshInlineArrange();
SetCurrentCharStepRight();
}