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Fix issues when users click on the key Equals when the last operation was an unary or if users overrided the previous operation

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This commit is contained in:
Rudy Huyn 2019-03-08 04:25:19 -08:00
commit fb7d785afc
1 changed files with 18 additions and 4 deletions
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22
src/CalcManager/CEngine/scicomm.cpp
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@ -158,6 +158,12 @@ void CCalcEngine::ProcessCommandWorker(WPARAM wParam)
{
unsigned int iValue = static_cast<unsigned int>(wParam - IDC_0);
m_bNoPrevEqu = true;
if (!m_bChangeOp)
{
m_nPrevOpCode = m_nOpCode = 0;
}
// this is redundant, illegal keys are disabled
if (iValue >= static_cast<unsigned int>(m_radix))
{
@ -180,6 +186,8 @@ void CCalcEngine::ProcessCommandWorker(WPARAM wParam)
// BINARY OPERATORS:
if (IsBinOpCode(wParam))
{
m_bNoPrevEqu = true;
/* Change the operation if last input was operation. */
if (IsBinOpCode(m_nLastCom))
{
@ -285,13 +293,17 @@ void CCalcEngine::ProcessCommandWorker(WPARAM wParam)
m_lastVal = m_currentVal;
m_nOpCode = (INT)wParam;
m_HistoryCollector.AddBinOpToHistory(m_nOpCode);
m_bNoPrevEqu = m_bChangeOp = true;
m_bChangeOp = true;
return;
}
// UNARY OPERATORS:
if (IsUnaryOpCode(wParam) || (wParam == IDC_DEGREES))
{
m_bNoPrevEqu = true;
m_bChangeOp = false;
m_nPrevOpCode = m_nOpCode = 0;
/* Functions are unary operations. */
/* If the last thing done was an operator, m_currentVal was cleared. */
/* In that case we better use the number before the operator */
@ -476,10 +488,12 @@ void CCalcEngine::ProcessCommandWorker(WPARAM wParam)
{
m_currentVal = m_holdVal;
DisplayNum(); // to update the m_numberString
m_HistoryCollector.AddBinOpToHistory(m_nOpCode, false);
m_HistoryCollector.AddOpndToHistory(m_numberString, m_currentVal); // Adding the repeated last op to history
if (IsBinOpCode(m_nOpCode))
{
m_HistoryCollector.AddBinOpToHistory(m_nOpCode, false);
m_HistoryCollector.AddOpndToHistory(m_numberString, m_currentVal); // Adding the repeated last op to history
}
}
// Do the current or last operation.
m_currentVal = DoOperation(m_nOpCode, m_currentVal, m_lastVal);
m_nPrevOpCode = m_nOpCode;