// Обработка нажатия клавиши
private void MainForm_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
// Числовые клавиши
#region Figures
case Keys.D1:
case Keys.NumPad1:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddFigure('1');
}
break;
case Keys.D2:
case Keys.NumPad2:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddFigure('2');
}
break;
case Keys.D3:
case Keys.NumPad3:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddFigure('3');
}
break;
case Keys.D4:
case Keys.NumPad4:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddFigure('4');
}
break;
case Keys.D5:
case Keys.NumPad5:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddFigure('5');
}
break;
case Keys.D6:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
if (Control.ModifierKeys == Keys.Shift)
{
InputExpression.AddBinaryOperation("^");
}
else
{
InputExpression.AddFigure('6');
}
}
break;
case Keys.NumPad6:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddFigure('6');
}
break;
case Keys.D7:
case Keys.NumPad7:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddFigure('7');
}
break;
case Keys.D8:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
if (Control.ModifierKeys == Keys.Shift)
{
InputExpression.AddBinaryOperation("*");
}
else
{
InputExpression.AddFigure('8');
}
}
break;
case Keys.NumPad8:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddFigure('8');
}
break;
case Keys.D9:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
if (Control.ModifierKeys == Keys.Shift)
{
InputExpression.AddOpeningParenthesis();
}
else
{
InputExpression.AddFigure('9');
}
}
break;
case Keys.NumPad9:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddFigure('9');
}
break;
case Keys.D0:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
if (Control.ModifierKeys == Keys.Shift)
{
InputExpression.AddClosingParenthesis();
}
else
{
InputExpression.AddFigure('0');
}
}
break;
case Keys.NumPad0:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddFigure('0');
}
break;
#endregion Figures
// Клавиши с десятичным разделителем и знаками операций
case Keys.Divide:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddBinaryOperation("/");
}
break;
case Keys.Multiply:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddBinaryOperation("*");
}
break;
case Keys.Subtract:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddBinaryOperation("-");
}
break;
case Keys.Decimal:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddPoint();
}
break;
case Keys.Add:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddBinaryOperation("+");
}
break;
case Keys.OemMinus:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
InputExpression.AddBinaryOperation("-");
}
break;
case Keys.Oemplus:
if (tb_Input.Text.Length < tb_Input.MaxLength)
{
if (Control.ModifierKeys == Keys.Shift)
{
InputExpression.AddBinaryOperation("+");
}
else
{
InputExpression.FinishInput();
int i = 0;
while (i < OperationSigns.Length && !tb_Input.Text.Contains(OperationSigns[i]))
{
i++;
}
// Если выражение содержит знаки операций
if (i < OperationSigns.Length)
{
tb_RPNExpression.Text = Translation.TranslateExpression(tb_Input.Text);
tb_Output.Text = Calculation.CalculateExpression(tb_RPNExpression.Text);
}
// Если выражение не содержит знаки операций
else
{
tb_RPNExpression.Text = tb_Output.Text = tb_Input.Text;
}
}
}
break;
case Keys.Back:
InputExpression.DeleteSymbol();
break;
case Keys.Escape:
InputExpression.Clear();
tb_RPNExpression.Text = tb_Output.Text = "0";
break;
}
}
// Очистить выражение
private void bt_ClearAll_Click(object sender, EventArgs e)
{
InputExpression.Clear();
tb_RPNExpression.Text = tb_Output.Text = "0";
}
