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diff --git a/src/contrib/libqxt-2007-10-24/src/gui/qxtconfirmationmessage.cpp b/src/contrib/libqxt-2007-10-24/src/gui/qxtconfirmationmessage.cpp
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+/****************************************************************************
+**
+** Copyright (C) Qxt Foundation. Some rights reserved.
+**
+** This file is part of the QxtGui module of the Qt eXTension library
+**
+** This library is free software; you can redistribute it and/or modify it
+** under the terms of th Common Public License, version 1.0, as published by
+** IBM.
+**
+** This file is provided "AS IS", without WARRANTIES OR CONDITIONS OF ANY
+** KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
+** WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR
+** FITNESS FOR A PARTICULAR PURPOSE.
+**
+** You should have received a copy of the CPL along with this file.
+** See the LICENSE file and the cpl1.0.txt file included with the source
+** distribution for more information. If you did not receive a copy of the
+** license, contact the Qxt Foundation.
+**
+** <http://libqxt.sourceforge.net>  <foundation@libqxt.org>
+**
+****************************************************************************/
+#include "qxtconfirmationmessage.h"
+
+#include <QCoreApplication>
+#if QT_VERSION >= 0x040200
+#include <QDialogButtonBox>
+#endif // QT_VERSION
+#include <QPushButton>
+#include <QGridLayout>
+#include <QCheckBox>
+
+static const QLatin1String DEFAULT_ORGANIZATION("QxtGui");
+static const QLatin1String DEFAULT_APPLICATION("QxtConfirmationMessage");
+
+class QxtConfirmationMessagePrivate : public QxtPrivate<QxtConfirmationMessage>
+{
+public:
+    QXT_DECLARE_PUBLIC(QxtConfirmationMessage);
+    void init(const QString& message = QString());
+    QString key() const;
+    static QString key(const QString& title, const QString& text, const QString& informativeText = QString());
+    int showAgain();
+    void doNotShowAgain(int result);
+    static void reset(const QString& title, const QString& text, const QString& informativeText);
+
+    QCheckBox* confirm;
+    static QString path;
+    static QSettings::Scope scope;
+};
+
+QString QxtConfirmationMessagePrivate::path;
+QSettings::Scope QxtConfirmationMessagePrivate::scope = QSettings::UserScope;
+
+void QxtConfirmationMessagePrivate::init(const QString& message)
+{
+#if QT_VERSION >= 0x040200
+    confirm = new QCheckBox(&qxt_p());
+    if (!message.isNull())
+        confirm->setText(message);
+    else
+        confirm->setText(QxtConfirmationMessage::tr("Do not show again."));
+
+    QGridLayout* grid = qobject_cast<QGridLayout*>(qxt_p().layout());
+    QDialogButtonBox* buttons = qFindChild<QDialogButtonBox*>(&qxt_p());
+    if (grid && buttons)
+    {
+        const int idx = grid->indexOf(buttons);
+        int row, column, rowSpan, columnSpan = 0;
+        grid->getItemPosition(idx, &row, &column, &rowSpan, &columnSpan);
+        QLayoutItem* buttonsItem = grid->takeAt(idx);
+        grid->addWidget(confirm, row, column, rowSpan, columnSpan, Qt::AlignLeft | Qt::AlignTop);
+        grid->addItem(buttonsItem, ++row, column, rowSpan, columnSpan);
+    }
+#endif // QT_VERSION
+}
+
+QString QxtConfirmationMessagePrivate::key() const
+{
+#if QT_VERSION >= 0x040200
+    return key(qxt_p().windowTitle(), qxt_p().text(), qxt_p().informativeText());
+#else
+    return key(qxt_p().windowTitle(), qxt_p().text());
+#endif // QT_VERSION
+}
+
+QString QxtConfirmationMessagePrivate::key(const QString& title, const QString& text, const QString& informativeText)
+{
+    const QString all = title + text + informativeText;
+    const QByteArray data = all.toLocal8Bit();
+    return QString::number(qChecksum(data.constData(), data.length()));
+}
+
+int QxtConfirmationMessagePrivate::showAgain()
+{
+    QString organization = QCoreApplication::organizationName();
+    QString application  = QCoreApplication::applicationName();
+    if (organization.isEmpty())
+        organization = DEFAULT_ORGANIZATION;
+    if (application.isEmpty())
+        application = DEFAULT_APPLICATION;
+    QSettings settings(scope, organization, application);
+    if (!path.isEmpty())
+        settings.beginGroup(path);
+    return settings.value(key(), -1).toInt();
+}
+
+void QxtConfirmationMessagePrivate::doNotShowAgain(int result)
+{
+    QString organization = QCoreApplication::organizationName();
+    QString application  = QCoreApplication::applicationName();
+    if (organization.isEmpty())
+        organization = DEFAULT_ORGANIZATION;
+    if (application.isEmpty())
+        application = DEFAULT_APPLICATION;
+    QSettings settings(scope, organization, application);
+    if (!path.isEmpty())
+        settings.beginGroup(path);
+    settings.setValue(key(), result);
+}
+
+void QxtConfirmationMessagePrivate::reset(const QString& title, const QString& text, const QString& informativeText)
+{
+    QString organization = QCoreApplication::organizationName();
+    QString application  = QCoreApplication::applicationName();
+    if (organization.isEmpty())
+        organization = DEFAULT_ORGANIZATION;
+    if (application.isEmpty())
+        application = DEFAULT_APPLICATION;
+    QSettings settings(scope, organization, application);
+    if (!path.isEmpty())
+        settings.beginGroup(path);
+    settings.remove(key(title, text, informativeText));
+}
+
+/*!
+    \class QxtConfirmationMessage QxtConfirmationMessage
+    \ingroup QxtGui
+    \brief A confirmation message.
+
+    QxtConfirmationMessage is a confirmation message with checkable
+    <b>"Do not show again."</b> option. A checked and accepted confirmation
+    message is no more shown until reseted.
+
+    Example usage:
+    \code
+    void MainWindow::closeEvent(QCloseEvent* event)
+    {
+        static const QString text(tr("Are you sure you want to quit?"));
+        if (QxtConfirmationMessage::confirm(this, tr("Confirm"), text) == QMessageBox::No)
+            event->ignore();
+    }
+    \endcode
+
+    \image html qxtconfirmationmessage.png "QxtConfirmationMessage in action."
+
+    \note \b QCoreApplication::organizationName and \b QCoreApplication::applicationName
+    are used for storing settings. In case these properties are empty, \b "QxtGui" and
+    \b "QxtConfirmationMessage" are used, respectively.
+
+    \note Requires Qt 4.2 or newer.
+ */
+
+/*!
+    Constructs a new QxtConfirmationMessage with \a parent.
+ */
+QxtConfirmationMessage::QxtConfirmationMessage(QWidget* parent)
+        : QMessageBox(parent)
+{
+    QXT_INIT_PRIVATE(QxtConfirmationMessage);
+    qxt_d().init();
+}
+
+/*!
+    Constructs a new QxtConfirmationMessage with \a icon, \a title, \a text, \a confirmation, \a buttons, \a parent and \a flags.
+ */
+#if QT_VERSION >= 0x040200
+QxtConfirmationMessage::QxtConfirmationMessage(QMessageBox::Icon icon, const QString& title, const QString& text, const QString& confirmation,
+        QMessageBox::StandardButtons buttons, QWidget* parent, Qt::WindowFlags flags)
+        : QMessageBox(icon, title, text, buttons, parent, flags)
+{
+    QXT_INIT_PRIVATE(QxtConfirmationMessage);
+    qxt_d().init(confirmation);
+}
+#endif // QT_VERSION
+
+/*!
+    Destructs the confirmation message.
+ */
+QxtConfirmationMessage::~QxtConfirmationMessage()
+{}
+
+// QMessageBox::StandardButton showNewMessageBox() (qmessagebox.cpp)
+#if QT_VERSION >= 0x040200
+QMessageBox::StandardButton QxtConfirmationMessage::confirm(QWidget* parent,
+        const QString& title, const QString& text, const QString& confirmation,
+        QMessageBox::StandardButtons buttons, QMessageBox::StandardButton defaultButton)
+{
+    QxtConfirmationMessage msgBox(QMessageBox::NoIcon, title, text, confirmation, QMessageBox::NoButton, parent);
+    QDialogButtonBox* buttonBox = qFindChild<QDialogButtonBox*>(&msgBox);
+    Q_ASSERT(buttonBox != 0);
+
+    uint mask = QMessageBox::FirstButton;
+    while (mask <= QMessageBox::LastButton)
+    {
+        uint sb = buttons & mask;
+        mask <<= 1;
+        if (!sb)
+            continue;
+        QPushButton* button = msgBox.addButton((QMessageBox::StandardButton)sb);
+        // Choose the first accept role as the default
+        if (msgBox.defaultButton())
+            continue;
+        if ((defaultButton == QMessageBox::NoButton && buttonBox->buttonRole(button) == QDialogButtonBox::AcceptRole)
+                || (defaultButton != QMessageBox::NoButton && sb == uint(defaultButton)))
+            msgBox.setDefaultButton(button);
+    }
+    if (msgBox.exec() == -1)
+        return QMessageBox::Cancel;
+    return msgBox.standardButton(msgBox.clickedButton());
+}
+#endif // QT_VERSION
+
+/*!
+    \property QxtConfirmationMessage::confirmationText
+    \brief This property holds the confirmation text
+
+    The default value is <b>"Do not show again."</b>
+ */
+QString QxtConfirmationMessage::confirmationText() const
+{
+    return qxt_d().confirm->text();
+}
+
+void QxtConfirmationMessage::setConfirmationText(const QString& confirmation)
+{
+    qxt_d().confirm->setText(confirmation);
+}
+
+/*!
+    \return The scope used for storing settings.
+
+    The default value is \b QSettings::UserScope.
+ */
+QSettings::Scope QxtConfirmationMessage::settingsScope()
+{
+    return QxtConfirmationMessagePrivate::scope;
+}
+
+/*!
+    Sets the scope used for storing settings.
+ */
+void QxtConfirmationMessage::setSettingsScope(QSettings::Scope scope)
+{
+    QxtConfirmationMessagePrivate::scope = scope;
+}
+
+/*!
+    \return The path used for storing settings.
+
+    The default value is an empty string.
+ */
+QString QxtConfirmationMessage::settingsPath()
+{
+    return QxtConfirmationMessagePrivate::path;
+}
+
+/*!
+    Sets the path used for storing settings.
+ */
+void QxtConfirmationMessage::setSettingsPath(const QString& path)
+{
+    QxtConfirmationMessagePrivate::path = path;
+}
+
+/*!
+    Shows the confirmation message if necessary. The confirmation message is not
+    shown in case <b>"Do not show again."</b> has been checked while the same
+    confirmation message was earlierly accepted.
+
+    A confirmation message is identified by the combination of title,
+    \b QMessageBox::text and optional \b QMessageBox::informativeText.
+
+    A clicked button with role \b QDialogButtonBox::AcceptRole or
+    \b QDialogButtonBox::YesRole is considered as "accepted".
+
+    \warning This function does not reimplement but shadows \b QMessageBox::exec().
+
+    \sa QWidget::windowTitle, QMessageBox::text, QMessageBox::informativeText
+ */
+int QxtConfirmationMessage::exec()
+{
+    int res = qxt_d().showAgain();
+    if (res == -1)
+        res = QMessageBox::exec();
+    return res;
+}
+
+void QxtConfirmationMessage::done(int result)
+{
+#if QT_VERSION >= 0x040200
+    QDialogButtonBox* buttons = qFindChild<QDialogButtonBox*>(this);
+    Q_ASSERT(buttons != 0);
+
+    int role = buttons->buttonRole(clickedButton());
+    if (qxt_d().confirm->isChecked() &&
+            (role == QDialogButtonBox::AcceptRole || role == QDialogButtonBox::YesRole))
+    {
+        qxt_d().doNotShowAgain(result);
+    }
+#endif // QT_VERSION
+    QMessageBox::done(result);
+}
+
+/*!
+    Resets confirmation message with given \a title, \a text and optional
+    \a informativeText. A reseted confirmation message is shown again until
+    user checks <b>"Do not show again."</b> and accepts the confirmation message.
+ */
+void QxtConfirmationMessage::reset(const QString& title, const QString& text, const QString& informativeText)
+{
+    QxtConfirmationMessagePrivate::reset(title, text, informativeText);
+}
+
+/*!
+    Resets this instance of QxtConfirmationMessage. A reseted confirmation
+    message is shown again until user checks <b>"Do not show again."</b> and
+    accepts the confirmation message.
+ */
+void QxtConfirmationMessage::reset()
+{
+#if QT_VERSION >= 0x040200
+    QxtConfirmationMessagePrivate::reset(windowTitle(), text(), informativeText());
+#endif // QT_VERSION
+}