diff options
Diffstat (limited to 'examples/widgets/widgets/calculator/calculator.cpp')
| -rw-r--r-- | examples/widgets/widgets/calculator/calculator.cpp | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/examples/widgets/widgets/calculator/calculator.cpp b/examples/widgets/widgets/calculator/calculator.cpp index 5858d304d2..073b10f985 100644 --- a/examples/widgets/widgets/calculator/calculator.cpp +++ b/examples/widgets/widgets/calculator/calculator.cpp @@ -29,29 +29,29 @@ Calculator::Calculator(QWidget *parent) //! [4] for (int i = 0; i < NumDigitButtons; ++i) - digitButtons[i] = createButton(QString::number(i), SLOT(digitClicked())); + digitButtons[i] = createButton(QString::number(i), &Calculator::digitClicked); - Button *pointButton = createButton(tr("."), SLOT(pointClicked())); - Button *changeSignButton = createButton(tr("\302\261"), SLOT(changeSignClicked())); + Button *pointButton = createButton(tr("."), &Calculator::pointClicked); + Button *changeSignButton = createButton(tr("\302\261"), &Calculator::changeSignClicked); - Button *backspaceButton = createButton(tr("Backspace"), SLOT(backspaceClicked())); - Button *clearButton = createButton(tr("Clear"), SLOT(clear())); - Button *clearAllButton = createButton(tr("Clear All"), SLOT(clearAll())); + Button *backspaceButton = createButton(tr("Backspace"), &Calculator::backspaceClicked); + Button *clearButton = createButton(tr("Clear"), &Calculator::clear); + Button *clearAllButton = createButton(tr("Clear All"), &Calculator::clearAll); - Button *clearMemoryButton = createButton(tr("MC"), SLOT(clearMemory())); - Button *readMemoryButton = createButton(tr("MR"), SLOT(readMemory())); - Button *setMemoryButton = createButton(tr("MS"), SLOT(setMemory())); - Button *addToMemoryButton = createButton(tr("M+"), SLOT(addToMemory())); + Button *clearMemoryButton = createButton(tr("MC"), &Calculator::clearMemory); + Button *readMemoryButton = createButton(tr("MR"), &Calculator::readMemory); + Button *setMemoryButton = createButton(tr("MS"), &Calculator::setMemory); + Button *addToMemoryButton = createButton(tr("M+"), &Calculator::addToMemory); - Button *divisionButton = createButton(tr("\303\267"), SLOT(multiplicativeOperatorClicked())); - Button *timesButton = createButton(tr("\303\227"), SLOT(multiplicativeOperatorClicked())); - Button *minusButton = createButton(tr("-"), SLOT(additiveOperatorClicked())); - Button *plusButton = createButton(tr("+"), SLOT(additiveOperatorClicked())); + Button *divisionButton = createButton(tr("\303\267"), &Calculator::multiplicativeOperatorClicked); + Button *timesButton = createButton(tr("\303\227"), &Calculator::multiplicativeOperatorClicked); + Button *minusButton = createButton(tr("-"), &Calculator::additiveOperatorClicked); + Button *plusButton = createButton(tr("+"), &Calculator::additiveOperatorClicked); - Button *squareRootButton = createButton(tr("Sqrt"), SLOT(unaryOperatorClicked())); - Button *powerButton = createButton(tr("x\302\262"), SLOT(unaryOperatorClicked())); - Button *reciprocalButton = createButton(tr("1/x"), SLOT(unaryOperatorClicked())); - Button *equalButton = createButton(tr("="), SLOT(equalClicked())); + Button *squareRootButton = createButton(tr("Sqrt"), &Calculator::unaryOperatorClicked); + Button *powerButton = createButton(tr("x\302\262"), &Calculator::unaryOperatorClicked); + Button *reciprocalButton = createButton(tr("1/x"), &Calculator::unaryOperatorClicked); + Button *equalButton = createButton(tr("="), &Calculator::equalClicked); //! [4] //! [5] @@ -324,10 +324,11 @@ void Calculator::addToMemory() } //! [32] //! [34] -Button *Calculator::createButton(const QString &text, const char *member) +template<typename PointerToMemberFunction> +Button *Calculator::createButton(const QString &text, const PointerToMemberFunction &member) { Button *button = new Button(text); - connect(button, SIGNAL(clicked()), this, member); + connect(button, &Button::clicked, this, member); return button; } //! [34] |