private void Click_plusMinus(object sender, EventArgs e)
{
if (SafteyNet.EmptyString(this.screen.Text) == true)
{
this.screen.Text = SafteyNet.TooLargeScreen(this.screen.Text);
screenText += "(-";
this.screen.Text += "(-";
activeParenthesis++;
activeDecimals = false;
activePlusMinus = true;
usedOperator = true;
GrayEquals();
}
else
{
if (SafteyNet.LastOpenParenthesis(this.screen.Text) == true || SafteyNet.LastOperators(this.screen.Text) == true)
{
if (SafteyNet.LastNegative(this.screen.Text) == false && SafteyNet.LastSpecials(this.screen.Text) == false)
{
this.screen.Text = SafteyNet.TooLargeScreen(this.screen.Text);
screenText += "(-";
this.screen.Text += "(-";
activeParenthesis++;
activeDecimals = false;
activePlusMinus = true;
usedOperator = true;
GrayEquals();
}
}
}
}
private void Click_parenthesis(object sender, EventArgs e)
{
if (activePower == false && SafteyNet.EmptyString(this.screen.Text) == true || SafteyNet.LastOperators(this.screen.Text) == true || SafteyNet.LastOpenParenthesis(this.screen.Text) == true)
{
if (SafteyNet.LastSpecials(this.screen.Text) == false)
{
this.screen.Text = SafteyNet.TooLargeScreen(this.screen.Text);
screenText += "(";
this.screen.Text += "(";
activeDecimals = false;
activeParenthesis++;
GrayEquals();
}
}
else if (activeParenthesis > 0)
{
this.screen.Text = SafteyNet.TooLargeScreen(this.screen.Text);
screenText += ")";
this.screen.Text += ")";
activeDecimals = false;
activePlusMinus = false;
activePower = false;
activeDividePower = false;
activeParenthesis--;
GrayEquals();
}
}
