protected override void OnKeyPress(KeyPressEventArgs e)
{
if (_readOnly)
{
return;
}
hideSelectorList();
//common keys
bool bCommonKey = false;
if (!this.IsStringSelected)
{
MathNode node;
switch (e.KeyChar)
{
case '+':
bCommonKey = true;
node = mathExp.AddMathNode(typeof(PlusNode));
mathExp.ClearFocus();
mathExp.SetFocus(node[1]);
break;
case '-':
bCommonKey = true;
node = mathExp.AddMathNode(typeof(MinusNode));
mathExp.ClearFocus();
mathExp.SetFocus(node[1]);
break;
case '*':
bCommonKey = true;
node = mathExp.AddMathNode(typeof(MultiplyNode));
mathExp.ClearFocus();
mathExp.SetFocus(node[1]);
break;
case '/':
bCommonKey = true;
node = mathExp.AddMathNode(typeof(DivNode));
mathExp.ClearFocus();
mathExp.SetFocus(node[1]);
break;
}
}
if (!bCommonKey)
{
mathExp.UpdateSelected(new string(new char[] { e.KeyChar }));
}
this.Refresh();
RefreshVariableMap();
_changed = true;
}