From 699a1cb9787916b2444468edcc994841f3a6457e Mon Sep 17 00:00:00 2001 From: Itay Grudev Date: Wed, 10 Aug 2016 02:50:22 +0100 Subject: Added an example of an application raising the primary instance window This example uses the Qt Calculator example released under the BSD license. Noted the license difference in the `README.md` and `LICENSE` files. --- LICENSE | 3 + README.md | 4 +- examples/calculator/button.cpp | 73 +++++++ examples/calculator/button.h | 68 +++++++ examples/calculator/calculator.cpp | 406 +++++++++++++++++++++++++++++++++++++ examples/calculator/calculator.h | 117 +++++++++++ examples/calculator/calculator.pro | 11 + examples/calculator/main.cpp | 73 +++++++ 8 files changed, 754 insertions(+), 1 deletion(-) create mode 100644 examples/calculator/button.cpp create mode 100644 examples/calculator/button.h create mode 100644 examples/calculator/calculator.cpp create mode 100644 examples/calculator/calculator.h create mode 100644 examples/calculator/calculator.pro create mode 100644 examples/calculator/main.cpp diff --git a/LICENSE b/LICENSE index 7ee1dcb..85b2a14 100644 --- a/LICENSE +++ b/LICENSE @@ -19,3 +19,6 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Note: Some of the examples include code not distributed under the terms of the +MIT License. diff --git a/README.md b/README.md index abe4171..dca0a20 100644 --- a/README.md +++ b/README.md @@ -157,4 +157,6 @@ results in process termination. License ------- -This library and it's supporting documentation are released under `The MIT License (MIT)`. +This library and it's supporting documentation are released under +`The MIT License (MIT)` with exception to some of the examples distributed under +the terms of the BSD license. diff --git a/examples/calculator/button.cpp b/examples/calculator/button.cpp new file mode 100644 index 0000000..d6cca0a --- /dev/null +++ b/examples/calculator/button.cpp @@ -0,0 +1,73 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include + +#include "button.h" + +//! [0] +Button::Button(const QString &text, QWidget *parent) + : QToolButton(parent) +{ + setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred); + setText(text); +} +//! [0] + +//! [1] +QSize Button::sizeHint() const +//! [1] //! [2] +{ + QSize size = QToolButton::sizeHint(); + size.rheight() += 20; + size.rwidth() = qMax(size.width(), size.height()); + return size; +} +//! [2] diff --git a/examples/calculator/button.h b/examples/calculator/button.h new file mode 100644 index 0000000..2c014c7 --- /dev/null +++ b/examples/calculator/button.h @@ -0,0 +1,68 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef BUTTON_H +#define BUTTON_H + +#include + +//! [0] +class Button : public QToolButton +{ + Q_OBJECT + +public: + explicit Button(const QString &text, QWidget *parent = 0); + + QSize sizeHint() const Q_DECL_OVERRIDE; +}; +//! [0] + +#endif diff --git a/examples/calculator/calculator.cpp b/examples/calculator/calculator.cpp new file mode 100644 index 0000000..c02b560 --- /dev/null +++ b/examples/calculator/calculator.cpp @@ -0,0 +1,406 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include + +#include + +#include "button.h" +#include "calculator.h" + +//! [0] +Calculator::Calculator(QWidget *parent) + : QWidget(parent) +{ + sumInMemory = 0.0; + sumSoFar = 0.0; + factorSoFar = 0.0; + waitingForOperand = true; +//! [0] + +//! [1] + display = new QLineEdit("0"); +//! [1] //! [2] + display->setReadOnly(true); + display->setAlignment(Qt::AlignRight); + display->setMaxLength(15); + + QFont font = display->font(); + font.setPointSize(font.pointSize() + 8); + display->setFont(font); +//! [2] + +//! [4] + for (int i = 0; i < NumDigitButtons; ++i) { + digitButtons[i] = createButton(QString::number(i), SLOT(digitClicked())); + } + + Button *pointButton = createButton(tr("."), SLOT(pointClicked())); + Button *changeSignButton = createButton(tr("\302\261"), SLOT(changeSignClicked())); + + Button *backspaceButton = createButton(tr("Backspace"), SLOT(backspaceClicked())); + Button *clearButton = createButton(tr("Clear"), SLOT(clear())); + Button *clearAllButton = createButton(tr("Clear All"), SLOT(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 *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 *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())); +//! [4] + +//! [5] + QGridLayout *mainLayout = new QGridLayout; +//! [5] //! [6] + mainLayout->setSizeConstraint(QLayout::SetFixedSize); + mainLayout->addWidget(display, 0, 0, 1, 6); + mainLayout->addWidget(backspaceButton, 1, 0, 1, 2); + mainLayout->addWidget(clearButton, 1, 2, 1, 2); + mainLayout->addWidget(clearAllButton, 1, 4, 1, 2); + + mainLayout->addWidget(clearMemoryButton, 2, 0); + mainLayout->addWidget(readMemoryButton, 3, 0); + mainLayout->addWidget(setMemoryButton, 4, 0); + mainLayout->addWidget(addToMemoryButton, 5, 0); + + for (int i = 1; i < NumDigitButtons; ++i) { + int row = ((9 - i) / 3) + 2; + int column = ((i - 1) % 3) + 1; + mainLayout->addWidget(digitButtons[i], row, column); + } + + mainLayout->addWidget(digitButtons[0], 5, 1); + mainLayout->addWidget(pointButton, 5, 2); + mainLayout->addWidget(changeSignButton, 5, 3); + + mainLayout->addWidget(divisionButton, 2, 4); + mainLayout->addWidget(timesButton, 3, 4); + mainLayout->addWidget(minusButton, 4, 4); + mainLayout->addWidget(plusButton, 5, 4); + + mainLayout->addWidget(squareRootButton, 2, 5); + mainLayout->addWidget(powerButton, 3, 5); + mainLayout->addWidget(reciprocalButton, 4, 5); + mainLayout->addWidget(equalButton, 5, 5); + setLayout(mainLayout); + + setWindowTitle(tr("Calculator")); +} +//! [6] + +//! [7] +void Calculator::digitClicked() +{ + Button *clickedButton = qobject_cast