1 files changed, 237 insertions, 0 deletions
diff --git a/examples/scxml/sudoku/mainwindow.cpp b/examples/scxml/sudoku/mainwindow.cpp
new file mode 100644
index 0000000..574b5ca
--- /dev/null
+++ b/examples/scxml/sudoku/mainwindow.cpp
@@ -0,0 +1,237 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtScxml module 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 "mainwindow.h"
+
+#include <QStringListModel>
+#include <QScxmlStateMachine>
+#include <QComboBox>
+#include <QToolButton>
+#include <QLabel>
+#include <QGridLayout>
+#include <QFile>
+#include <QDir>
+#include <QTextStream>
+
+static int Size = 9;
+
+QT_USE_NAMESPACE
+
+static QVariantList emptyRow()
+{
+    QVariantList row;
+    for (int i = 0; i < Size; i++)
+        row.append(QVariant(0));
+    return row;
+}
+
+static QVariantMap readSudoku(const QString &fileName)
+{
+    QFile input(fileName);
+    input.open(QIODevice::ReadOnly | QIODevice::Text);
+    QTextStream str(&input);
+    const QString data = str.readAll();
+
+    QVariantList initRowsVariant;
+    const QStringList rows = data.split(QLatin1Char('\n'));
+    for (int i = 0; i < Size; i++) {
+        if (i < rows.count()) {
+            QVariantList initRowVariant;
+            const QStringList row = rows.at(i).split(QLatin1Char(','));
+            for (int j = 0; j < Size; j++) {
+                const int val = j < row.count()
+                        ? row.at(j).toInt() % (Size + 1) : 0;
+                initRowVariant.append(val);
+            }
+            initRowsVariant.append(QVariant(initRowVariant));
+        } else {
+            initRowsVariant.append(QVariant(emptyRow()));
+        }
+    }
+
+    QVariantMap dataVariant;
+    dataVariant.insert(QStringLiteral("initState"), initRowsVariant);
+
+    return dataVariant;
+}
+
+MainWindow::MainWindow(QScxmlStateMachine *machine, QWidget *parent) :
+    QWidget(parent),
+    m_machine(machine)
+{
+    const QVector<QToolButton *> initVector(Size, nullptr);
+    m_buttons = QVector<QVector<QToolButton *> >(Size, initVector);
+
+    QGridLayout *layout = new QGridLayout(this);
+
+    for (int i = 0; i < Size; i++) {
+        for (int j = 0; j < Size; j++) {
+            QToolButton *button = new QToolButton(this);
+            button->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+            layout->addWidget(button, i + i / 3, j + j / 3);
+            m_buttons[i][j] = button;
+            connect(button, &QToolButton::clicked, [this, i, j] () {
+                QVariantMap data;
+                data.insert(QStringLiteral("x"), i);
+                data.insert(QStringLiteral("y"), j);
+                m_machine->submitEvent("tap", data);
+            });
+        }
+    }
+
+    for (int i = 0; i < 3; i++) {
+        for (int j = 0; j < 2; j++) {
+            QFrame *hFrame = new QFrame(this);
+            hFrame->setFrameShape(QFrame::HLine);
+            layout->addWidget(hFrame, 4 * j + 3, 4 * i, 1, 3);
+
+            QFrame *vFrame = new QFrame(this);
+            vFrame->setFrameShape(QFrame::VLine);
+            layout->addWidget(vFrame, 4 * i, 4 * j + 3, 3, 1);
+        }
+    }
+
+    m_startButton = new QToolButton(this);
+    m_startButton->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+    m_startButton->setText(tr("Start"));
+    layout->addWidget(m_startButton, Size + 3, 0, 1, 3);
+
+    connect(m_startButton, &QAbstractButton::clicked,
+            [this] {
+        if (m_machine->isActive("playing"))
+            m_machine->submitEvent("stop");
+        else
+            m_machine->submitEvent("start");
+    });
+
+    m_label = new QLabel(tr("unsolved"));
+    m_label->setAlignment(Qt::AlignCenter);
+    layout->addWidget(m_label, Size + 3, 4, 1, 3);
+
+    m_undoButton = new QToolButton(this);
+    m_undoButton->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+    m_undoButton->setText(tr("Undo"));
+    layout->addWidget(m_undoButton, Size + 3, 8, 1, 3);
+
+    connect(m_undoButton, &QAbstractButton::clicked,
+            [this] {
+        m_machine->submitEvent("undo");
+    });
+
+    m_chooser = new QComboBox(this);
+    layout->addWidget(m_chooser, Size + 4, 0, 1, 11);
+
+    QDir dataDir(QLatin1String(":/data"));
+    QFileInfoList sudokuFiles = dataDir.entryInfoList(QStringList() << "*.data");
+    foreach (const QFileInfo &sudokuFile, sudokuFiles)
+        m_chooser->addItem(sudokuFile.completeBaseName(), sudokuFile.absoluteFilePath());
+
+    connect(m_chooser, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+            [this] (int index) {
+        const QString sudokuFile = m_chooser->itemData(index).toString();
+        const QVariantMap initValues = readSudoku(sudokuFile);
+        m_machine->submitEvent("setup", initValues);
+    });
+
+    const QVariantMap initValues = readSudoku(m_chooser->itemData(0).toString());
+    m_machine->setInitialValues(initValues);
+
+    m_machine->connectToState("playing", [this] (bool playing) {
+        if (playing) {
+            m_startButton->setText(tr("Stop"));
+            m_undoButton->setEnabled(true);
+            m_chooser->setEnabled(false);
+        } else {
+            m_startButton->setText(tr("Start"));
+            m_undoButton->setEnabled(false);
+            m_chooser->setEnabled(true);
+        }
+    });
+
+    m_machine->connectToState("solved", [this] (bool solved) {
+        if (solved)
+            m_label->setText(tr("SOLVED !!!"));
+        else
+            m_label->setText(tr("unsolved"));
+    });
+
+    m_machine->connectToEvent("updateGUI", [this] (const QScxmlEvent &event) {
+        const QVariant data = event.data();
+
+        const QVariantList currentRows = data.toMap().value("currentState").toList();
+        for (int i = 0; i < currentRows.count(); i++) {
+            const QVariantList row = currentRows.at(i).toList();
+            for (int j = 0; j < row.count(); j++) {
+                const int value = row.at(j).toInt();
+                const QString text = value ? QString::number(value) : QString();
+                m_buttons[i][j]->setText(text);
+            }
+        }
+
+        const bool active = m_machine->isActive("playing");
+
+        const QVariantList initRows = data.toMap().value("initState").toList();
+        for (int i = 0; i < initRows.count(); i++) {
+            const QVariantList row = initRows.at(i).toList();
+            for (int j = 0; j < row.count(); j++) {
+                const int value = row.at(j).toInt();
+                const bool enabled = !value && active; // enable only zeroes from initState
+                m_buttons[i][j]->setEnabled(enabled);
+            }
+        }
+    });
+
+    setLayout(layout);
+}
+
+MainWindow::~MainWindow()
+{
+}
+