diff -r 000000000000 -r 1918ee327afb tools/qconfig/main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/qconfig/main.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,544 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "graphics.h"
+#include "feature.h"
+#include "featuretreemodel.h"
+
+#include <QtGui>
+
+QT_BEGIN_NAMESPACE
+
+static QString defaultPath;
+
+class FeatureTextBrowser : public QTextBrowser {
+    Q_OBJECT
+public:
+    FeatureTextBrowser(QWidget *parent) : QTextBrowser(parent) {
+        QString docRoot;
+        docRoot = QLibraryInfo::location(QLibraryInfo::DocumentationPath)
+                  + "/html";
+        setSearchPaths(searchPaths() << docRoot);
+    }
+
+signals:
+    void featureClicked(const QString &feature);
+
+public slots:
+    void setSource(const QUrl &url)
+    {
+        if (url.scheme() == "feature")
+            emit featureClicked(url.authority());
+        else
+            QTextBrowser::setSource(url);
+    }
+};
+
+class Main : public QMainWindow {
+    Q_OBJECT
+public:
+    Main();
+    ~Main();
+    void loadFeatures(const QString& filename);
+    void loadConfig(const QString& filename);
+
+public slots:
+    void modelChanged();
+    void showInfo(const QModelIndex &index);
+    void showInfo(const QString &feature);
+    void openConfig();
+    void saveConfig();
+    void expandView();
+    void collapseView();
+    void about();
+    void aboutQt();
+    void quit();
+    void clear();
+    void enableAll();
+    void disableAll();
+
+private:
+    QTextBrowser *textBrowser;
+    QTreeView *featureTree;
+    FeatureTreeModel *featureModel;
+
+    void init();
+    void updateStatus(int numFeatures = -1);
+    void completelyExpandIndex(const QModelIndex &parent);
+};
+
+template<typename Func>
+void foreachIndex_helper(const QModelIndex &parent, Func func)
+{
+    const QAbstractItemModel *model = parent.model();
+    const int rows = model->rowCount(parent);
+    for (int i = 0; i < rows; ++i) {
+        const QModelIndex child = model->index(i, 0, parent);
+        func(child);
+        foreachIndex_helper(child, func);
+    }
+}
+
+template<typename Func>
+void foreachIndex(const QAbstractItemModel *model, Func func)
+{
+    const int rows = model->rowCount(QModelIndex());
+    for (int i = 0; i < rows; ++i) {
+        const QModelIndex child = model->index(i, 0, QModelIndex());
+        func(child);
+        foreachIndex_helper(child, func);
+    }
+}
+
+struct CheckStateSetter {
+
+    CheckStateSetter(Qt::CheckState state, QAbstractItemModel *m)
+        : checkState(state), model(m) {}
+
+    void operator()(const QModelIndex &index) {
+        model->setData(index, checkState, Qt::CheckStateRole);
+    }
+
+    Qt::CheckState checkState;
+    QAbstractItemModel *model;
+};
+
+void Main::disableAll()
+{
+    QAbstractItemModel *model = featureTree->model();
+    foreachIndex(model, CheckStateSetter(Qt::Unchecked, model));
+}
+
+void Main::enableAll()
+{
+    QAbstractItemModel *model = featureTree->model();
+    foreachIndex(model, CheckStateSetter(Qt::Checked, model));
+}
+
+Main::Main()
+{
+    setWindowIcon(QIcon(QPixmap(logo_xpm)));
+
+    QSplitter *splitter = new QSplitter(this);
+
+    featureModel = new FeatureTreeModel(this);
+    featureTree = new QTreeView(splitter);
+    splitter->addWidget(featureTree);
+    featureTree->setRootIsDecorated(true);
+    featureTree->setModel(featureModel);
+    featureTree->show();
+
+    textBrowser = new FeatureTextBrowser(splitter);
+    textBrowser->setFrameStyle(QFrame::WinPanel|QFrame::Sunken);
+    splitter->addWidget(textBrowser);
+    textBrowser->show();
+
+    connect(textBrowser, SIGNAL(featureClicked(const QString&)),
+            this, SLOT(showInfo(const QString&)));
+    connect(featureTree, SIGNAL(activated(QModelIndex)),
+	    this, SLOT(showInfo(QModelIndex)));
+    connect(featureModel, SIGNAL(dataChanged(QModelIndex, QModelIndex)),
+            this, SLOT(modelChanged()));
+    connect(featureTree, SIGNAL(clicked(QModelIndex)),
+            this, SLOT(showInfo(QModelIndex)));
+
+    setCentralWidget(splitter);
+
+    QMenu *file = menuBar()->addMenu("&File");
+    file->addAction("&Open...", this, SLOT(openConfig()),
+                    Qt::CTRL + Qt::Key_O);
+    file->addAction("&Save As...", this, SLOT(saveConfig()),
+                    Qt::CTRL + Qt::Key_S);
+    file->addSeparator();
+    file->addAction("&Reset",  this, SLOT(clear()));
+    file->addSeparator();
+    file->addAction("E&xit",  this, SLOT(quit()), Qt::CTRL + Qt::Key_Q);
+
+    QMenu *edit = menuBar()->addMenu("&Tools");
+    edit->addAction("&Enable all features", this, SLOT(enableAll()));
+    edit->addAction("&Disable all features", this, SLOT(disableAll()));
+
+    menuBar()->addSeparator();
+
+    QMenu *help = menuBar()->addMenu("&Help");
+    help->addAction("&About", this, SLOT(about()));
+    help->addAction("About &Qt", this, SLOT(aboutQt()));
+
+    QToolBar *tb = new QToolBar("Expand/Collapse features");
+    QToolButton *button;
+
+    button = new QToolButton(tb);
+    button->setIcon(QIcon(QPixmap(collapsed_xpm)));
+    button->setText("Collapse");
+    button->setToolTip("Collapse");
+    connect(button, SIGNAL(clicked()), this, SLOT(collapseView()));
+    tb->addWidget(button);
+
+    button = new QToolButton(tb);
+    button->setIcon(QIcon(QPixmap(expanded_xpm)));
+    button->setText("Expand");
+    button->setToolTip("Expand");
+    connect(button, SIGNAL(clicked()), this, SLOT(expandView()));
+    tb->addWidget(button);
+    addToolBar(tb);
+
+    init();
+}
+
+Main::~Main()
+{
+    delete textBrowser;
+    delete featureModel;
+    delete featureTree;
+}
+
+void Main::clear()
+{
+    QSettings settings;
+    settings.clear();
+    featureModel->clear();
+    featureTree->reset();
+    init();
+}
+
+void Main::quit()
+{
+    if (isWindowModified()) {
+        int button = QMessageBox::question(this, "Quit Program",
+                                           "You have unsaved changes.\n"
+                                           "Do you want to quit anyway?",
+                                           QMessageBox::Yes,
+                                           QMessageBox::No);
+        if (static_cast<QMessageBox::Button>(button) != QMessageBox::Yes)
+            return;
+    }
+    QApplication::instance()->quit();
+}
+
+/*
+  Recursively expand expand \a parent and all of its children.
+*/
+void Main::completelyExpandIndex(const QModelIndex &parent)
+{
+    featureTree->setExpanded(parent, true);
+
+    const QAbstractItemModel *model = featureTree->model();
+    const int rows = model->rowCount(parent);
+    for (int i = 0; i < rows; ++i)
+        completelyExpandIndex(model->index(i, 0, parent));
+}
+
+void Main::expandView()
+{
+    completelyExpandIndex(QModelIndex());
+}
+
+void Main::collapseView()
+{
+    const QAbstractItemModel *model = featureTree->model();
+    const int rows = model->rowCount(QModelIndex());
+    for (int i = 0; i < rows; ++i) {
+        QModelIndex index = model->index(i, 0, QModelIndex());
+        featureTree->setExpanded(index, false);
+    }
+}
+
+void Main::updateStatus(int numFeatures)
+{
+    QSettings settings;
+    QString featureFile = settings.value("featureFile").toString();
+    QString configFile = settings.value("lastConfig").toString();
+    QString message("Using features from %1");
+
+    if (numFeatures >= 0) {
+        QString s("%1 features loaded from %2");
+        statusBar()->showMessage(s.arg(numFeatures).arg(featureFile));
+    }
+    QString appName = QApplication::applicationName();
+    if (configFile.isEmpty())
+        configFile = "New File";
+    setWindowTitle(appName + " - " + configFile + "[*]");
+}
+
+void Main::modelChanged()
+{
+    setWindowModified(true);
+}
+
+void Main::init()
+{
+    QSettings settings;
+    QString features = settings.value("featureFile").toString();
+
+    if (features.isEmpty() || !QFileInfo(features).isFile()) {
+        features = QFileDialog::getOpenFileName(this,
+                                                "Open a feature file",
+                                                defaultPath,
+                                                "Qt Features (qfeatures.txt)");
+    }
+    settings.setValue("featureFile", features);
+    loadFeatures(features);
+
+    expandView();
+    collapseView();
+
+    QString confFile = settings.value("lastConfig").toString();
+    if (confFile.isEmpty())
+        return;
+    loadConfig(confFile);
+}
+
+void Main::openConfig()
+{
+    QSettings settings;
+    QString configDir;
+
+    QString prevFile = settings.value("lastConfig").toString();
+    if (!prevFile.isEmpty())
+        configDir = QFileInfo(prevFile).path();
+
+    if (configDir.isEmpty())
+        configDir = defaultPath;
+
+    QString configFile;
+    configFile = QFileDialog::getOpenFileName(this,
+                                              "Open a configuration file",
+                                              configDir,
+                                              "Header files (*.h)");
+    enableAll();
+    if (!configFile.isEmpty())
+        loadConfig(configFile);
+    settings.setValue("lastConfig", QFileInfo(configFile).absoluteFilePath());
+}
+
+void Main::saveConfig()
+{
+    QSettings settings;
+    QString configDir;
+
+    QString prevFile = settings.value("lastConfig").toString();
+    if (!prevFile.isEmpty())
+        configDir = QFileInfo(prevFile).path();
+
+    if (configDir.isEmpty())
+        configDir = defaultPath;
+
+    QString configFile;
+    configFile = QFileDialog::getSaveFileName(this,
+                                              "Save configuration file",
+                                              configDir,
+                                              "Header files (*.h)");
+    if (configFile.isEmpty())
+        return;
+
+    QFile file(configFile);
+    if (!file.open(QIODevice::WriteOnly)) {
+	QMessageBox::warning(this,"Warning",
+                             "Cannot write to file " + configFile);
+	return;
+    }
+
+    QTextStream stream(&file);
+    FeatureTreeModel *model;
+    model = static_cast<FeatureTreeModel*>(featureTree->model());
+    model->writeConfig(stream);
+
+    settings.setValue("lastConfig", QFileInfo(configFile).absoluteFilePath());
+    setWindowModified(false);
+    updateStatus();
+}
+
+void Main::loadConfig(const QString &filename)
+{
+    if (!QFileInfo(filename).isFile())
+	return;
+
+    QFile file(filename);
+    if (!file.open(QIODevice::ReadOnly)) {
+	QMessageBox::warning(this,"Warning", "Cannot open file " + filename);
+	return;
+    }
+
+    QTextStream stream(&file);
+    FeatureTreeModel *model;
+    model = static_cast<FeatureTreeModel*>(featureTree->model());
+    model->readConfig(stream);
+
+    QSettings settings;
+    settings.setValue("lastConfig", QFileInfo(filename).absoluteFilePath());
+    setWindowModified(false);
+    updateStatus();
+}
+
+void Main::loadFeatures(const QString &filename)
+{
+    Feature::clear();
+
+    QFile file(filename);
+    if (!file.open(QIODevice::ReadOnly)) {
+	QMessageBox::warning(this,"Warning", "Cannot open file " + filename);
+	return;
+    }
+
+    Feature *feature = 0;
+    int numFeatures = 0;
+    updateStatus(numFeatures);
+    QTextStream s(&file);
+    for (QString line = s.readLine(); !s.atEnd(); line = s.readLine()) {
+	line = line.simplified();
+	if (line.isEmpty())
+	    continue;
+	if (line.startsWith('#'))
+	    continue;
+
+	int colon = line.indexOf(':');
+	if (colon < 0) { // assume description
+            QString description = feature->description().simplified();
+            description += " " + line;
+            feature->setDescription(description);
+	    continue;
+	}
+
+	QString tag = line.left(colon);
+	QString value = line.mid(colon+1).simplified();
+	if (tag == "Feature") {
+            if (feature)
+                featureModel->addFeature(feature);
+            feature = Feature::getInstance(value);
+            updateStatus(++numFeatures);
+	} else if (tag == "Requires") {
+            Q_ASSERT(feature);
+            feature->setDependencies(value.split(' ', QString::SkipEmptyParts));
+	} else if (tag == "Name") {
+	    Q_ASSERT(feature);
+            feature->setTitle(value);
+	} else if (tag == "Section") {
+	    Q_ASSERT(feature);
+            feature->setSection(value);
+	} else if (tag == "SeeAlso") {
+	    Q_ASSERT(feature);
+            feature->setRelations(value.split(' ', QString::SkipEmptyParts));
+        } else if (tag == "Description") {
+            Q_ASSERT(feature);
+            feature->setDescription(value);
+	}
+    }
+    if (feature)
+        featureModel->addFeature(feature);
+
+    featureTree->resizeColumnToContents(0);
+
+    QSettings settings;
+    settings.setValue("featureFile", QFileInfo(filename).absoluteFilePath());
+
+    updateStatus();
+}
+
+void Main::showInfo(const QModelIndex &index)
+{
+    FeatureTreeModel *model;
+    model = static_cast<FeatureTreeModel*>(featureTree->model());
+
+    if (const Feature *feature = model->getFeature(index))
+	textBrowser->setHtml(feature->toHtml());
+
+    // Ensure index is visible
+    QModelIndex parent = model->parent(index);
+    while (parent.isValid()) {
+        featureTree->setExpanded(parent, true);
+        parent = model->parent(parent);
+    }
+
+    featureTree->scrollTo(index);
+    featureTree->setCurrentIndex(index);
+}
+
+void Main::showInfo(const QString &feature)
+{
+    const Feature *f = Feature::getInstance(feature);
+    FeatureTreeModel *model;
+    model = static_cast<FeatureTreeModel*>(featureTree->model());
+    showInfo(model->index(f));
+}
+
+void Main::about()
+{
+    QMessageBox::about(this, "About qconfig",
+	"<p><b><font size=\"+2\">Qtopia Core build configuration</font></b></p>"
+	"<p></p>"
+	"<p>Version 2.0</p>"
+	"<p>Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).</p>"
+	"<p></p>"
+    );
+}
+
+void Main::aboutQt()
+{
+    QMessageBox::aboutQt( this, tr("qconfig") );
+}
+
+QT_END_NAMESPACE
+
+int main(int argc, char** argv)
+{
+    QT_USE_NAMESPACE
+    QApplication app(argc,argv);
+    app.setOrganizationDomain("trolltech.com");
+    app.setOrganizationName("Trolltech");
+    app.setApplicationName("QConfig");
+    Main m;
+
+    defaultPath = QLibraryInfo::location(QLibraryInfo::PrefixPath)
+                  + "/src/corelib/global";
+
+    for (int i = 1; i < argc; ++i) {
+	QString arg = argv[i];
+	if (arg == "-f" && i+1 < argc)
+            m.loadFeatures(argv[++i]);
+	else if (arg == "-c" && i+1 < argc)
+            m.loadConfig(argv[++i]);
+    }
+    m.resize(m.sizeHint() + QSize(500,300));
+    m.show();
+    return app.exec();
+}
+
+#include "main.moc"