//! [20] void Calculator::equalClicked() { double operand = display->text().toDouble(); if (!pendingMultiplicativeOperator.isEmpty()) { if (!calculate(operand, pendingMultiplicativeOperator)) { abortOperation(); return; } operand = factorSoFar; factorSoFar = 0.0; pendingMultiplicativeOperator.clear(); } if (!pendingAdditiveOperator.isEmpty()) { if (!calculate(operand, pendingAdditiveOperator)) { abortOperation(); return; } pendingAdditiveOperator.clear(); } else { sumSoFar = operand; } display->setText(QString::number(sumSoFar)); sumSoFar = 0.0; waitingForOperand = true; }
void Calculator::additiveOperatorClicked() { Button *clickedButton = qobject_cast<Button *>(sender()); QString clickedOperator = clickedButton->text(); double operand = display->text().toDouble(); if (!pendingMultiplicativeOperator.isEmpty()) { if (!calculate(operand, pendingMultiplicativeOperator)) { abortOperation(); return; } display->setText(QString::number(factorSoFar)); operand = factorSoFar; factorSoFar = 0.0; pendingMultiplicativeOperator.clear(); } if (!pendingAdditiveOperator.isEmpty()) { if (!calculate(operand, pendingAdditiveOperator)) { abortOperation(); return; } display->setText(QString::number(sumSoFar)); } else { sumSoFar = operand; } pendingAdditiveOperator = clickedOperator; waitingForOperand = true; }
//! [8] void Calculator::unaryOperatorClicked() //! [8] //! [9] { Button *clickedButton = qobject_cast<Button *>(sender()); QString clickedOperator = clickedButton->text(); double operand = display->text().toDouble(); double result = 0.0; if (clickedOperator == tr("Sqrt")) { if (operand < 0.0) { abortOperation(); return; } result = std::sqrt(operand); } else if (clickedOperator == tr("x\302\262")) { result = std::pow(operand, 2.0); } else if (clickedOperator == tr("1/x")) { if (operand == 0.0) { abortOperation(); return; } result = 1.0 / operand; } display->setText(QString::number(result)); waitingForOperand = true; }
/******************************************************************************** * Description : Méthode permettant d'effectuer les opérations de calcul pouvant être effectué par la calculatrice. * Paramètres : const QString &text, const char *member * Type de retour : bouton* *******************************************************************************/ bool Calculatrice::calculate(double rightOperand, const QString &pendingOperator) { if(pendingOperator == tr("+")) { sumSoFar +=rightOperand; } else if(pendingOperator == tr("-")) { sumSoFar -= rightOperand; } else if(pendingOperator == tr("\327")) { factorSoFar *= rightOperand; } else if(pendingOperator == tr("\367")) { try { if (rightOperand == 0.0) { throw divisionParZero(); abortOperation(); return false; } else factorSoFar /= rightOperand; } catch(logic_error const& e) { QMessageBox::critical(this, "Error", e.what()); } } return true; }
/******************************************************************************** * Description : unaryOperatorClicked() slot est appellé lorsque un des boutons d'opérateur unaire est activé. * Paramètres : Aucun * Type de retour : void *******************************************************************************/ void Calculatrice::unaryOperatorClicked() { Bouton* clickedButton = qobject_cast<Bouton*>(sender()); QString clickedOperator = clickedButton->text(); double operand = display->text().toDouble(); double result = 0.0; try { if(clickedOperator == tr("Sqrt")) { if(operand < 0.0) { throw racineNeg(); abortOperation(); return; } result = sqrt(operand); } else if(clickedOperator == tr("x\262")) { result = pow(operand, 2.0); } else if(clickedOperator == tr("1/x")) { if(operand == 0.0) { throw inverseZero(); abortOperation(); return; } result = 1.0 / operand; } } catch(logic_error const& e) { QMessageBox::critical(this, "Error", e.what()); } display->setText(QString::number(result)); waitingForOperand = true; }
void CSVDoc::Operation::initWidgets() { mProgressBar = new QProgressBar (); mAbortButton = new QPushButton("Abort"); mLayout = new QHBoxLayout(); mLayout->addWidget (mProgressBar); mLayout->addWidget (mAbortButton); connect (mAbortButton, SIGNAL (clicked()), this, SLOT (abortOperation())); }
//! [10] void Calculator::additiveOperatorClicked() //! [10] //! [11] { Button *clickedButton = qobject_cast<Button *>(sender()); QString clickedOperator = clickedButton->text(); double operand = display->text().toDouble(); //! [11] //! [12] if (!pendingMultiplicativeOperator.isEmpty()) { //! [12] //! [13] if (!calculate(operand, pendingMultiplicativeOperator)) { abortOperation(); return; } display->setText(QString::number(factorSoFar)); operand = factorSoFar; factorSoFar = 0.0; pendingMultiplicativeOperator.clear(); } //! [13] //! [14] if (!pendingAdditiveOperator.isEmpty()) { //! [14] //! [15] if (!calculate(operand, pendingAdditiveOperator)) { abortOperation(); return; } display->setText(QString::number(sumSoFar)); } else { sumSoFar = operand; } calculateCounter++; //! [15] //! [16] pendingAdditiveOperator = clickedOperator; //! [16] //! [17] waitingForOperand = true; }
void CalculatorScientific::multiplicativeOperatorClicked() { QPushButton *clickedButton = qobject_cast<QPushButton *>(sender()); QString clickedOperator = clickedButton->text(); double operand = ui->lineEdit_display->text().toDouble(); if (!pendingMultiplicativeOperator.isEmpty()) { if (!calculate(operand, pendingMultiplicativeOperator)) { abortOperation(); return; } ui->lineEdit_display->setText(QString::number(factorSoFar)); } else { factorSoFar = operand; } pendingMultiplicativeOperator = clickedOperator; waitingForOperand = true; }
void MiniCalc::multiplicativeOperatorClicked() { QPushButton *clickedButton = (QPushButton*)sender(); QString clickedOperator = clickedButton->text(); double operand = display->text().toDouble(); if (!pendingMultiplicativeOperator.isEmpty()) { if (!calculate(operand, pendingMultiplicativeOperator)) { abortOperation(); return; } display->setText(QString::number(factorSoFar)); } else { factorSoFar = operand; } pendingMultiplicativeOperator = clickedOperator; waitingForOperand = true; }
void MiniCalc::unaryOperatorClicked() { QPushButton *clickedButton = (QPushButton*)sender(); QString clickedOperator = clickedButton->text(); double operand = display->text().toDouble(); double result = 0.0; if (clickedOperator == tr("x\262")) { result = pow(operand, 2.0); } else if (clickedOperator == tr("1/X")) { if (operand == 0.0) { abortOperation(); return; } result = 1.0 / operand; } display->setText(QString::number(result)); waitingForOperand = true; }
void CSVDoc::Operation::abortOperation() { emit abortOperation (mType); }
void CalculatorScientific::unaryOperatorClicked() { QPushButton *clickedButton = qobject_cast<QPushButton *>(sender()); QString clickedOperator = clickedButton->text(); double operand = ui->lineEdit_display->text().toDouble(); double result = 0.0; if (clickedOperator == tr("Sqrt")) { if (operand < 0.0) { abortOperation(); return; } result = sqrt(operand); } else if (clickedOperator == tr("x^2")) { result = pow(operand, 2.0); } else if (clickedOperator == tr("x^3")){ result = pow(operand, 3.0); } else if (clickedOperator == tr("1/X")) { if (operand == 0.0) { abortOperation(); return; } result = 1.0 / operand; } else if (clickedOperator == tr("ln")) { if (operand < 0.0) { abortOperation(); return; } result = log(operand); } else if (clickedOperator == tr("log")) { if (operand < 0.0) { abortOperation(); return; } result = log10(operand); } else if (clickedOperator == tr("sin")) { if(ui->radioButton_Arc->isChecked()) result = sin(operand); else result = sin(angleToArc(operand)); } else if (clickedOperator == tr("sinh")) { result = sinh(operand); } else if (clickedOperator == tr("cos")) { if(ui->radioButton_Arc->isChecked()) result = cos(operand); else result = cos(angleToArc(operand)); } else if (clickedOperator == tr("cosh")) { result = cosh(operand); } else if (clickedOperator == tr("tan")) { if(ui->radioButton_Arc->isChecked()) result = tan(operand); else result = tan(angleToArc(operand)); } else if (clickedOperator == tr("tanh")) { result = tanh(operand); } else if (clickedOperator == tr("n!")) { if (operand < 0.0) { abortOperation(); return; } result = 1; for(int i = 1; i <= (int)operand; i++) result *= i; } else if (clickedOperator == tr("e^x")) { result = exp(operand); } else if (clickedOperator == tr("10^x")) { result = pow(10,operand); } else if (clickedOperator == tr("Int")) { result = (int)(operand); } else if (clickedOperator == tr("Not")) { result = ~(int)(operand); } ui->lineEdit_display->setText(QString::number(result)); waitingForOperand = true; }