private void Button_equal_Click(object sender, RoutedEventArgs e)
{
OperationsHistory.Text = Output.Text + "=";
Output.Text = CalculatorClass.Calculate(Output.Text).ToString();
equalPressed = true;
}
private void Window_KeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.Enter)
{
OperationsHistory.Text = Output.Text + "=";
Output.Text = CalculatorClass.Calculate(Output.Text).ToString();
equalPressed = true;
}
if (e.Key == Key.Back)
{
if (Output.Text.Length > 0)
{
Output.Text = Output.Text.Substring(0, Output.Text.Length - 1);
}
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
string content = (string)(sender is Button ? ((Button)sender).Content : sender);
switch (content)
{
case "+": calculationTypeChosen = CalculationType.Add; break;
case "-": calculationTypeChosen = CalculationType.Subtract; break;
case "/": calculationTypeChosen = CalculationType.Divide; break;
case "x": calculationTypeChosen = CalculationType.Multiply; break;
case "c":
inputs = new string[2];
calculationTypeChosen = null;
showingResult = false;
InputDisplay.Content = "";
break;
case "=":
if (calculationTypeChosen == null)
{
return;
}
InputDisplay.Content = CalculatorClass.Calculate(Convert.ToDouble(inputs[0], cultureInfo), Convert.ToDouble(inputs[1], cultureInfo), calculationTypeChosen);
showingResult = true;
break;
default:
if (showingResult)
{
Button_Click("c", new RoutedEventArgs());
}
inputs[calculationTypeChosen != null ? 1 : 0] += content;
InputDisplay.Content = inputs[calculationTypeChosen != null ? 1 : 0];
break;
}
}