qmessagebox.cpp

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#include <QtGui/qmessagebox.h>

#ifndef QT_NO_MESSAGEBOX

#include <QtGui/qdialogbuttonbox.h>
#include "private/qlabel_p.h"
#include "private/qapplication_p.h"
#include <QtCore/qlist.h>
#include <QtCore/qdebug.h>
#include <QtGui/qstyle.h>
#include <QtGui/qstyleoption.h>
#include <QtGui/qgridlayout.h>
#include <QtGui/qdesktopwidget.h>
#include <QtGui/qpushbutton.h>
#include <QtGui/qaccessible.h>
#include <QtGui/qicon.h>
#include <QtGui/qtextdocument.h>
#include <QtGui/qapplication.h>
#include <QtGui/qtextedit.h>
#include <QtGui/qtextbrowser.h>
#include <QtGui/qmenu.h>
#include "qdialog_p.h"
#include <QtGui/qfont.h>
#include <QtGui/qfontmetrics.h>
#include <QtGui/qclipboard.h>

#ifndef QT_NO_STYLE_S60
#include <qs60style.h>
#endif

#ifdef Q_WS_WINCE
extern bool qt_wince_is_mobile();    //defined in qguifunctions_wince.cpp
extern bool qt_wince_is_smartphone();//defined in qguifunctions_wince.cpp
extern bool qt_wince_is_pocket_pc(); //defined in qguifunctions_wince.cpp

#include "qguifunctions_wince.h"
#endif

QT_BEGIN_NAMESPACE

enum Button { Old_Ok = 1, Old_Cancel = 2, Old_Yes = 3, Old_No = 4, Old_Abort = 5, Old_Retry = 6,
              Old_Ignore = 7, Old_YesAll = 8, Old_NoAll = 9, Old_ButtonMask = 0xFF,
              NewButtonMask = 0xFFFFFC00 };

enum DetailButtonLabel { ShowLabel = 0, HideLabel = 1 };
#ifndef QT_NO_TEXTEDIT
class QMessageBoxDetailsText : public QWidget
{
public:
    class TextEdit : public QTextEdit
    {
    public:
        TextEdit(QWidget *parent=0) : QTextEdit(parent) { }
        void contextMenuEvent(QContextMenuEvent * e)
        {
#ifndef QT_NO_CONTEXTMENU
            QMenu *menu = createStandardContextMenu();
            menu->setAttribute(Qt::WA_DeleteOnClose);
            menu->popup(e->globalPos());
#else
            Q_UNUSED(e);
#endif
        }
    };

    QMessageBoxDetailsText(QWidget *parent=0)
        : QWidget(parent)
    {
        QVBoxLayout *layout = new QVBoxLayout;
        layout->setMargin(0);
        QFrame *line = new QFrame(this);
        line->setFrameShape(QFrame::HLine);
        line->setFrameShadow(QFrame::Sunken);
        layout->addWidget(line);
        textEdit = new TextEdit();
        textEdit->setFixedHeight(100);
        textEdit->setFocusPolicy(Qt::NoFocus);
        textEdit->setReadOnly(true);
        layout->addWidget(textEdit);
        setLayout(layout);
    }
    void setText(const QString &text) { textEdit->setPlainText(text); }
    QString text() const { return textEdit->toPlainText(); }
private:
    TextEdit *textEdit;
};
#endif // QT_NO_TEXTEDIT

class DetailButton : public QPushButton
{
public:
    DetailButton(QWidget *parent) : QPushButton(label(ShowLabel), parent)
    {
        setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    }

    QString label(DetailButtonLabel label) const
    { return label == ShowLabel ? QMessageBox::tr("Show Details...") : QMessageBox::tr("Hide Details..."); }

    void setLabel(DetailButtonLabel lbl)
    { setText(label(lbl)); }

    QSize sizeHint() const
    {
        ensurePolished();
        QStyleOptionButton opt;
        initStyleOption(&opt);
        const QFontMetrics fm = fontMetrics();
        opt.text = label(ShowLabel);
        QSize sz = fm.size(Qt::TextShowMnemonic, opt.text);
        QSize ret = style()->sizeFromContents(QStyle::CT_PushButton, &opt, sz, this).
                      expandedTo(QApplication::globalStrut());
        opt.text = label(HideLabel);
        sz = fm.size(Qt::TextShowMnemonic, opt.text);
        ret = ret.expandedTo(style()->sizeFromContents(QStyle::CT_PushButton, &opt, sz, this).
                      expandedTo(QApplication::globalStrut()));
        return ret;
    }
};


class QMessageBoxPrivate : public QDialogPrivate
{
    Q_DECLARE_PUBLIC(QMessageBox)

public:
    QMessageBoxPrivate() : escapeButton(0), defaultButton(0), clickedButton(0), detailsButton(0),
#ifndef QT_NO_TEXTEDIT
                           detailsText(0),
#endif
                           compatMode(false), autoAddOkButton(true),
                           detectedEscapeButton(0), informativeLabel(0) { }

    void init(const QString &title = QString(), const QString &text = QString());
    void _q_buttonClicked(QAbstractButton *);

    QAbstractButton *findButton(int button0, int button1, int button2, int flags);
    void addOldButtons(int button0, int button1, int button2);

    QAbstractButton *abstractButtonForId(int id) const;
    int execReturnCode(QAbstractButton *button);

    void detectEscapeButton();
    void updateSize();
    int layoutMinimumWidth();
    void retranslateStrings();

#ifdef Q_WS_WINCE
    void hideSpecial();
#endif

    static int showOldMessageBox(QWidget *parent, QMessageBox::Icon icon,
                                 const QString &title, const QString &text,
                                 int button0, int button1, int button2);
    static int showOldMessageBox(QWidget *parent, QMessageBox::Icon icon,
                                 const QString &title, const QString &text,
                                 const QString &button0Text,
                                 const QString &button1Text,
                                 const QString &button2Text,
                                 int defaultButtonNumber,
                                 int escapeButtonNumber);

    static QMessageBox::StandardButton showNewMessageBox(QWidget *parent,
                QMessageBox::Icon icon, const QString& title, const QString& text,
                QMessageBox::StandardButtons buttons, QMessageBox::StandardButton defaultButton);

    static QPixmap standardIcon(QMessageBox::Icon icon, QMessageBox *mb);

    QLabel *label;
    QMessageBox::Icon icon;
    QLabel *iconLabel;
    QDialogButtonBox *buttonBox;
    QList<QAbstractButton *> customButtonList;
    QAbstractButton *escapeButton;
    QPushButton *defaultButton;
    QAbstractButton *clickedButton;
    DetailButton *detailsButton;
#ifndef QT_NO_TEXTEDIT
    QMessageBoxDetailsText *detailsText;
#endif
    bool compatMode;
    bool autoAddOkButton;
    QAbstractButton *detectedEscapeButton;
    QLabel *informativeLabel;
#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5)
    QTextBrowser *textBrowser;
#endif
    QPointer<QObject> receiverToDisconnectOnClose;
    QByteArray memberToDisconnectOnClose;
    QByteArray signalToDisconnectOnClose;
};

void QMessageBoxPrivate::init(const QString &title, const QString &text)
{
    Q_Q(QMessageBox);

    label = new QLabel;
    label->setObjectName(QLatin1String("qt_msgbox_label"));
    label->setTextInteractionFlags(Qt::TextInteractionFlags(q->style()->styleHint(QStyle::SH_MessageBox_TextInteractionFlags, 0, q)));
    label->setAlignment(Qt::AlignVCenter | Qt::AlignLeft);
    label->setOpenExternalLinks(true);
#if defined(Q_WS_MAC)
    label->setContentsMargins(16, 0, 0, 0);
#elif !defined(Q_WS_QWS)
    label->setContentsMargins(2, 0, 0, 0);
    label->setIndent(9);
#endif
    icon = QMessageBox::NoIcon;
    iconLabel = new QLabel;
    iconLabel->setObjectName(QLatin1String("qt_msgboxex_icon_label"));
    iconLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);

    buttonBox = new QDialogButtonBox;
    buttonBox->setObjectName(QLatin1String("qt_msgbox_buttonbox"));
    buttonBox->setCenterButtons(q->style()->styleHint(QStyle::SH_MessageBox_CenterButtons, 0, q));
    QObject::connect(buttonBox, SIGNAL(clicked(QAbstractButton*)),
                     q, SLOT(_q_buttonClicked(QAbstractButton*)));

    QGridLayout *grid = new QGridLayout;
#ifndef Q_WS_MAC
#ifdef Q_WS_S60
    const int preferredIconColumn = (QApplication::layoutDirection() == Qt::LeftToRight) ? 1 : 0;
    const int preferredTextColumn = (QApplication::layoutDirection() == Qt::LeftToRight) ? 0 : 1;
#else
    const int preferredIconColumn = 0;
    const int preferredTextColumn = 1;
#endif
    grid->addWidget(iconLabel, 0, preferredIconColumn, 2, 1, Qt::AlignTop);
    grid->addWidget(label, 0, preferredTextColumn, 1, 1);
    // -- leave space for information label --
    grid->addWidget(buttonBox, 2, 0, 1, 2);
#else
    grid->setMargin(0);
    grid->setVerticalSpacing(8);
    grid->setHorizontalSpacing(0);
    q->setContentsMargins(24, 15, 24, 20);
    grid->addWidget(iconLabel, 0, 0, 2, 1, Qt::AlignTop | Qt::AlignLeft);
    grid->addWidget(label, 0, 1, 1, 1);
    // -- leave space for information label --
    grid->setRowStretch(1, 100);
    grid->setRowMinimumHeight(2, 6);
    grid->addWidget(buttonBox, 3, 1, 1, 1);
#endif

    grid->setSizeConstraint(QLayout::SetNoConstraint);
    q->setLayout(grid);

    if (!title.isEmpty() || !text.isEmpty()) {
        q->setWindowTitle(title);
        q->setText(text);
    }
    q->setModal(true);

#ifdef Q_WS_MAC
    QFont f = q->font();
    f.setBold(true);
    label->setFont(f);
#endif
    retranslateStrings();
}

int QMessageBoxPrivate::layoutMinimumWidth()
{
    layout->activate();
    return layout->totalMinimumSize().width();
}

void QMessageBoxPrivate::updateSize()
{
    Q_Q(QMessageBox);

    if (!q->isVisible())
        return;

    QSize screenSize = QApplication::desktop()->availableGeometry(QCursor::pos()).size();
#if defined(Q_WS_QWS) || defined(Q_WS_WINCE) || defined(Q_OS_SYMBIAN)
    // the width of the screen, less the window border.
    int hardLimit = screenSize.width() - (q->frameGeometry().width() - q->geometry().width());
#else
    int hardLimit = qMin(screenSize.width() - 480, 1000); // can never get bigger than this
    // on small screens allows the messagebox be the same size as the screen
    if (screenSize.width() <= 1024)
        hardLimit = screenSize.width();
#endif
#ifdef Q_WS_MAC
    int softLimit = qMin(screenSize.width()/2, 420);
#elif defined(Q_WS_QWS)
    int softLimit = qMin(hardLimit, 500);
#else
    // note: ideally on windows, hard and soft limits but it breaks compat
#ifndef Q_WS_WINCE
    int softLimit = qMin(screenSize.width()/2, 500);
#else
    int softLimit = qMin(screenSize.width() * 3 / 4, 500);
#endif //Q_WS_WINCE
#endif

    if (informativeLabel)
        informativeLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);

    label->setWordWrap(false); // makes the label return min size
    int width = layoutMinimumWidth();

    if (width > softLimit) {
        label->setWordWrap(true);
        width = qMax(softLimit, layoutMinimumWidth());

        if (width > hardLimit) {
            label->d_func()->ensureTextControl();
            if (QTextControl *control = label->d_func()->control) {
                QTextOption opt = control->document()->defaultTextOption();
                opt.setWrapMode(QTextOption::WrapAnywhere);
                control->document()->setDefaultTextOption(opt);
            }
            width = hardLimit;
        }
    }
#ifdef Q_WS_S60
        // in S60 portait messageBoxes should always occupy maximum width
        if (QApplication::desktop()->size().height() > QApplication::desktop()->size().width()){
            width = hardLimit;
        } else {
            // in landscape the messageBoxes should be of same width as in portrait
            width = qMin(QApplication::desktop()->size().height(), hardLimit);
        }
#endif

    if (informativeLabel) {
        label->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
        QSizePolicy policy(QSizePolicy::Minimum, QSizePolicy::Preferred);
        policy.setHeightForWidth(true);
        informativeLabel->setSizePolicy(policy);
        width = qMax(width, layoutMinimumWidth());
        if (width > hardLimit) { // longest word is really big, so wrap anywhere
            informativeLabel->d_func()->ensureTextControl();
            if (QTextControl *control = informativeLabel->d_func()->control) {
                QTextOption opt = control->document()->defaultTextOption();
                opt.setWrapMode(QTextOption::WrapAnywhere);
                control->document()->setDefaultTextOption(opt);
            }
            width = hardLimit;
        }
        policy.setHeightForWidth(label->wordWrap());
        label->setSizePolicy(policy);
    }

    QFontMetrics fm(QApplication::font("QWorkspaceTitleBar"));
    int windowTitleWidth = qMin(fm.width(q->windowTitle()) + 50, hardLimit);
    if (windowTitleWidth > width)
        width = windowTitleWidth;

    layout->activate();
    int height = (layout->hasHeightForWidth())
                     ? layout->totalHeightForWidth(width)
                     : layout->totalMinimumSize().height();

#ifndef QT_NO_STYLE_S60
        QS60Style *s60Style = 0;
        s60Style = qobject_cast<QS60Style *>(QApplication::style());

        //use custom pixel metric to deduce the minimum height of the messagebox
        if (s60Style)
            height = qMax(height, s60Style->pixelMetric((QStyle::PixelMetric)PM_MessageBoxHeight));
#endif

    q->setFixedSize(width, height);
    QCoreApplication::removePostedEvents(q, QEvent::LayoutRequest);
}


#ifdef Q_WS_WINCE

void QMessageBoxPrivate::hideSpecial()
{
    Q_Q(QMessageBox);
    QList<QPushButton*> list = q->findChildren<QPushButton*>();
        for (int i=0; i<list.size(); ++i) {
            QPushButton *pb = list.at(i);
            QString text = pb->text();
            text.remove(QChar::fromLatin1('&'));
            if (text == QApplication::translate("QMessageBox", "OK" ))
                pb->setFixedSize(0,0);
        }
}
#endif

static int oldButton(int button)
{
    switch (button & QMessageBox::ButtonMask) {
    case QMessageBox::Ok:
        return Old_Ok;
    case QMessageBox::Cancel:
        return Old_Cancel;
    case QMessageBox::Yes:
        return Old_Yes;
    case QMessageBox::No:
        return Old_No;
    case QMessageBox::Abort:
        return Old_Abort;
    case QMessageBox::Retry:
        return Old_Retry;
    case QMessageBox::Ignore:
        return Old_Ignore;
    case QMessageBox::YesToAll:
        return Old_YesAll;
    case QMessageBox::NoToAll:
        return Old_NoAll;
    default:
        return 0;
    }
}

int QMessageBoxPrivate::execReturnCode(QAbstractButton *button)
{
    int ret = buttonBox->standardButton(button);
    if (ret == QMessageBox::NoButton) {
        ret = customButtonList.indexOf(button); // if button == 0, correctly sets ret = -1
    } else if (compatMode) {
        ret = oldButton(ret);
    }
    return ret;
}

void QMessageBoxPrivate::_q_buttonClicked(QAbstractButton *button)
{
    Q_Q(QMessageBox);
#ifndef QT_NO_TEXTEDIT
    if (detailsButton && detailsText && button == detailsButton) {
        detailsButton->setLabel(detailsText->isHidden() ? HideLabel : ShowLabel);
        detailsText->setHidden(!detailsText->isHidden());
        updateSize();
    } else
#endif
    {
        clickedButton = button;
        q->done(execReturnCode(button)); // does not trigger closeEvent
        emit q->buttonClicked(button);

        if (receiverToDisconnectOnClose) {
            QObject::disconnect(q, signalToDisconnectOnClose, receiverToDisconnectOnClose,
                                memberToDisconnectOnClose);
            receiverToDisconnectOnClose = 0;
        }
        signalToDisconnectOnClose.clear();
        memberToDisconnectOnClose.clear();
    }
}

QMessageBox::QMessageBox(QWidget *parent)
    : QDialog(*new QMessageBoxPrivate, parent, Qt::MSWindowsFixedSizeDialogHint | Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint)
{
    Q_D(QMessageBox);
    d->init();
}

QMessageBox::QMessageBox(Icon icon, const QString &title, const QString &text,
                         StandardButtons buttons, QWidget *parent,
                         Qt::WindowFlags f)
: QDialog(*new QMessageBoxPrivate, parent, f | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint)
{
    Q_D(QMessageBox);
    d->init(title, text);
    setIcon(icon);
    if (buttons != NoButton)
        setStandardButtons(buttons);
}

QMessageBox::~QMessageBox()
{
}

void QMessageBox::addButton(QAbstractButton *button, ButtonRole role)
{
    Q_D(QMessageBox);
    if (!button)
        return;
    removeButton(button);
    d->buttonBox->addButton(button, (QDialogButtonBox::ButtonRole)role);
    d->customButtonList.append(button);
    d->autoAddOkButton = false;
}

QPushButton *QMessageBox::addButton(const QString& text, ButtonRole role)
{
    Q_D(QMessageBox);
    QPushButton *pushButton = new QPushButton(text);
    addButton(pushButton, role);
    d->updateSize();
    return pushButton;
}

QPushButton *QMessageBox::addButton(StandardButton button)
{
    Q_D(QMessageBox);
    QPushButton *pushButton = d->buttonBox->addButton((QDialogButtonBox::StandardButton)button);
    if (pushButton)
        d->autoAddOkButton = false;
    return pushButton;
}

void QMessageBox::removeButton(QAbstractButton *button)
{
    Q_D(QMessageBox);
    d->customButtonList.removeAll(button);
    if (d->escapeButton == button)
        d->escapeButton = 0;
    if (d->defaultButton == button)
        d->defaultButton = 0;
    d->buttonBox->removeButton(button);
    d->updateSize();
}

void QMessageBox::setStandardButtons(StandardButtons buttons)
{
    Q_D(QMessageBox);
    d->buttonBox->setStandardButtons(QDialogButtonBox::StandardButtons(int(buttons)));

    QList<QAbstractButton *> buttonList = d->buttonBox->buttons();
    if (!buttonList.contains(d->escapeButton))
        d->escapeButton = 0;
    if (!buttonList.contains(d->defaultButton))
        d->defaultButton = 0;
    d->autoAddOkButton = false;
    d->updateSize();
}

QMessageBox::StandardButtons QMessageBox::standardButtons() const
{
    Q_D(const QMessageBox);
    return QMessageBox::StandardButtons(int(d->buttonBox->standardButtons()));
}

QMessageBox::StandardButton QMessageBox::standardButton(QAbstractButton *button) const
{
    Q_D(const QMessageBox);
    return (QMessageBox::StandardButton)d->buttonBox->standardButton(button);
}

QAbstractButton *QMessageBox::button(StandardButton which) const
{
    Q_D(const QMessageBox);
    return d->buttonBox->button(QDialogButtonBox::StandardButton(which));
}

QAbstractButton *QMessageBox::escapeButton() const
{
    Q_D(const QMessageBox);
    return d->escapeButton;
}

void QMessageBox::setEscapeButton(QAbstractButton *button)
{
    Q_D(QMessageBox);
    if (d->buttonBox->buttons().contains(button))
        d->escapeButton = button;
}

void QMessageBox::setEscapeButton(QMessageBox::StandardButton button)
{
    Q_D(QMessageBox);
    setEscapeButton(d->buttonBox->button(QDialogButtonBox::StandardButton(button)));
}

void QMessageBoxPrivate::detectEscapeButton()
{
    if (escapeButton) { // escape button explicitly set
        detectedEscapeButton = escapeButton;
        return;
    }

    // Cancel button automatically becomes escape button
    detectedEscapeButton = buttonBox->button(QDialogButtonBox::Cancel);
    if (detectedEscapeButton)
        return;

    // If there is only one button, make it the escape button
    const QList<QAbstractButton *> buttons = buttonBox->buttons();
    if (buttons.count() == 1) {
        detectedEscapeButton = buttons.first();
        return;
    }

    // if the message box has one RejectRole button, make it the escape button
    for (int i = 0; i < buttons.count(); i++) {
        if (buttonBox->buttonRole(buttons.at(i)) == QDialogButtonBox::RejectRole) {
            if (detectedEscapeButton) { // already detected!
                detectedEscapeButton = 0;
                break;
            }
            detectedEscapeButton = buttons.at(i);
        }
    }
    if (detectedEscapeButton)
        return;

    // if the message box has one NoRole button, make it the escape button
    for (int i = 0; i < buttons.count(); i++) {
        if (buttonBox->buttonRole(buttons.at(i)) == QDialogButtonBox::NoRole) {
            if (detectedEscapeButton) { // already detected!
                detectedEscapeButton = 0;
                break;
            }
            detectedEscapeButton = buttons.at(i);
        }
    }
}

QAbstractButton *QMessageBox::clickedButton() const
{
    Q_D(const QMessageBox);
    return d->clickedButton;
}

QPushButton *QMessageBox::defaultButton() const
{
    Q_D(const QMessageBox);
    return d->defaultButton;
}

void QMessageBox::setDefaultButton(QPushButton *button)
{
    Q_D(QMessageBox);
    if (!d->buttonBox->buttons().contains(button))
        return;
    d->defaultButton = button;
    button->setDefault(true);
    button->setFocus();
}

void QMessageBox::setDefaultButton(QMessageBox::StandardButton button)
{
    Q_D(QMessageBox);
    setDefaultButton(d->buttonBox->button(QDialogButtonBox::StandardButton(button)));
}

QString QMessageBox::text() const
{
    Q_D(const QMessageBox);
    return d->label->text();
}

void QMessageBox::setText(const QString &text)
{
    Q_D(QMessageBox);
    d->label->setText(text);
    d->label->setWordWrap(d->label->textFormat() == Qt::RichText
        || (d->label->textFormat() == Qt::AutoText && Qt::mightBeRichText(text)));
    d->updateSize();
}

QMessageBox::Icon QMessageBox::icon() const
{
    Q_D(const QMessageBox);
    return d->icon;
}

void QMessageBox::setIcon(Icon icon)
{
    Q_D(QMessageBox);
    setIconPixmap(QMessageBoxPrivate::standardIcon((QMessageBox::Icon)icon,
                                                   this));
    d->icon = icon;
}

QPixmap QMessageBox::iconPixmap() const
{
    Q_D(const QMessageBox);
    if (d->iconLabel && d->iconLabel->pixmap())
        return *d->iconLabel->pixmap();
    return QPixmap();
}

void QMessageBox::setIconPixmap(const QPixmap &pixmap)
{
    Q_D(QMessageBox);
    d->iconLabel->setPixmap(pixmap);
    d->updateSize();
    d->icon = NoIcon;
}

Qt::TextFormat QMessageBox::textFormat() const
{
    Q_D(const QMessageBox);
    return d->label->textFormat();
}

void QMessageBox::setTextFormat(Qt::TextFormat format)
{
    Q_D(QMessageBox);
    d->label->setTextFormat(format);
    d->label->setWordWrap(format == Qt::RichText
                    || (format == Qt::AutoText && Qt::mightBeRichText(d->label->text())));
    d->updateSize();
}

bool QMessageBox::event(QEvent *e)
{
    bool result =QDialog::event(e);
    switch (e->type()) {
        case QEvent::LayoutRequest:
            d_func()->updateSize();
            break;
        case QEvent::LanguageChange:
            d_func()->retranslateStrings();
            break;
#ifdef Q_WS_WINCE
        case QEvent::OkRequest:
        case QEvent::HelpRequest: {
          QString bName =
              (e->type() == QEvent::OkRequest)
              ? QApplication::translate("QMessageBox", "OK")
              : QApplication::translate("QMessageBox", "Help");
          QList<QPushButton*> list = findChildren<QPushButton*>();
          for (int i=0; i<list.size(); ++i) {
              QPushButton *pb = list.at(i);
              if (pb->text() == bName) {
                  if (pb->isEnabled())
                      pb->click();
                  return pb->isEnabled();
              }
          }
        }
#endif
        default:
            break;
    }
    return result;
}

void QMessageBox::resizeEvent(QResizeEvent *event)
{
    QDialog::resizeEvent(event);
}

void QMessageBox::closeEvent(QCloseEvent *e)
{
    Q_D(QMessageBox);
    if (!d->detectedEscapeButton) {
        e->ignore();
        return;
    }
    QDialog::closeEvent(e);
    d->clickedButton = d->detectedEscapeButton;
    setResult(d->execReturnCode(d->detectedEscapeButton));
}

void QMessageBox::changeEvent(QEvent *ev)
{
    Q_D(QMessageBox);
    switch (ev->type()) {
    case QEvent::StyleChange:
    {
        if (d->icon != NoIcon)
            setIcon(d->icon);
        Qt::TextInteractionFlags flags(style()->styleHint(QStyle::SH_MessageBox_TextInteractionFlags, 0, this));
        d->label->setTextInteractionFlags(flags);
        d->buttonBox->setCenterButtons(style()->styleHint(QStyle::SH_MessageBox_CenterButtons, 0, this));
        if (d->informativeLabel)
            d->informativeLabel->setTextInteractionFlags(flags);
        // intentional fall through
    }
    case QEvent::FontChange:
    case QEvent::ApplicationFontChange:
#ifdef Q_WS_MAC
    {
        QFont f = font();
        f.setBold(true);
        d->label->setFont(f);
    }
#endif
    default:
        break;
    }
    QDialog::changeEvent(ev);
}

void QMessageBox::keyPressEvent(QKeyEvent *e)
{
    Q_D(QMessageBox);
    if (e->key() == Qt::Key_Escape
#ifdef Q_WS_MAC
        || (e->modifiers() == Qt::ControlModifier && e->key() == Qt::Key_Period)
#endif
        ) {
            if (d->detectedEscapeButton) {
#ifdef Q_WS_MAC
                d->detectedEscapeButton->animateClick();
#else
                d->detectedEscapeButton->click();
#endif
            }
            return;
        }

#if defined (Q_OS_WIN) && !defined(QT_NO_CLIPBOARD) && !defined(QT_NO_SHORTCUT)
        if (e == QKeySequence::Copy) {
            QString separator = QString::fromLatin1("---------------------------\n");
            QString textToCopy = separator;
            separator.prepend(QLatin1Char('\n'));
            textToCopy += windowTitle() + separator; // title
            textToCopy += d->label->text() + separator; // text

            if (d->informativeLabel)
                textToCopy += d->informativeLabel->text() + separator;

            QString buttonTexts;
            QList<QAbstractButton *> buttons = d->buttonBox->buttons();
            for (int i = 0; i < buttons.count(); i++) {
                buttonTexts += buttons[i]->text() + QLatin1String("   ");
            }
            textToCopy += buttonTexts + separator;

            QApplication::clipboard()->setText(textToCopy);
            return;
        }
#endif //QT_NO_SHORTCUT QT_NO_CLIPBOARD Q_OS_WIN

#ifndef QT_NO_SHORTCUT
    if (!(e->modifiers() & Qt::AltModifier)) {
        int key = e->key() & ~((int)Qt::MODIFIER_MASK|(int)Qt::UNICODE_ACCEL);
        if (key) {
            const QList<QAbstractButton *> buttons = d->buttonBox->buttons();
            for (int i = 0; i < buttons.count(); ++i) {
                QAbstractButton *pb = buttons.at(i);
                int acc = pb->shortcut() & ~((int)Qt::MODIFIER_MASK|(int)Qt::UNICODE_ACCEL);
                if (acc == key) {
                    pb->animateClick();
                    return;
                }
            }
        }
    }
#endif
    QDialog::keyPressEvent(e);
}

#ifdef Q_WS_WINCE

void QMessageBox::setVisible(bool visible)
{
    Q_D(QMessageBox);
    if (visible)
        d->hideSpecial();
    QDialog::setVisible(visible);
}
#endif


void QMessageBox::open(QObject *receiver, const char *member)
{
    Q_D(QMessageBox);
    const char *signal = member && strchr(member, '*') ? SIGNAL(buttonClicked(QAbstractButton*))
                                                       : SIGNAL(finished(int));
    connect(this, signal, receiver, member);
    d->signalToDisconnectOnClose = signal;
    d->receiverToDisconnectOnClose = receiver;
    d->memberToDisconnectOnClose = member;
    QDialog::open();
}

QList<QAbstractButton *> QMessageBox::buttons() const
{
    Q_D(const QMessageBox);
    return d->buttonBox->buttons();
}

QMessageBox::ButtonRole QMessageBox::buttonRole(QAbstractButton *button) const
{
    Q_D(const QMessageBox);
    return QMessageBox::ButtonRole(d->buttonBox->buttonRole(button));
}

void QMessageBox::showEvent(QShowEvent *e)
{
    Q_D(QMessageBox);
    if (d->autoAddOkButton) {
        addButton(Ok);
#if defined(Q_WS_WINCE)
        d->hideSpecial();
#endif
    }
    if (d->detailsButton)
        addButton(d->detailsButton, QMessageBox::ActionRole);
    d->detectEscapeButton();
    d->updateSize();

#ifndef QT_NO_ACCESSIBILITY
    QAccessible::updateAccessibility(this, 0, QAccessible::Alert);
#endif
#ifdef Q_WS_WIN
    HMENU systemMenu = GetSystemMenu((HWND)winId(), FALSE);
    if (!d->detectedEscapeButton) {
        EnableMenuItem(systemMenu, SC_CLOSE, MF_BYCOMMAND|MF_GRAYED);
    }
    else {
        EnableMenuItem(systemMenu, SC_CLOSE, MF_BYCOMMAND|MF_ENABLED);
    }
#endif
    QDialog::showEvent(e);
}


static QMessageBox::StandardButton showNewMessageBox(QWidget *parent,
    QMessageBox::Icon icon,
    const QString& title, const QString& text,
    QMessageBox::StandardButtons buttons,
    QMessageBox::StandardButton defaultButton)
{
    // necessary for source compatibility with Qt 4.0 and 4.1
    // handles (Yes, No) and (Yes|Default, No)
    if (defaultButton && !(buttons & defaultButton))
        return (QMessageBox::StandardButton)
                    QMessageBoxPrivate::showOldMessageBox(parent, icon, title,
                                                            text, int(buttons),
                                                            int(defaultButton), 0);

    QMessageBox msgBox(icon, title, text, QMessageBox::NoButton, parent);
    QDialogButtonBox *buttonBox = msgBox.findChild<QDialogButtonBox*>();
    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());
}

QMessageBox::StandardButton QMessageBox::information(QWidget *parent, const QString &title,
                               const QString& text, StandardButtons buttons,
                               StandardButton defaultButton)
{
    return showNewMessageBox(parent, Information, title, text, buttons,
                             defaultButton);
}


QMessageBox::StandardButton QMessageBox::question(QWidget *parent, const QString &title,
                            const QString& text, StandardButtons buttons,
                            StandardButton defaultButton)
{
    return showNewMessageBox(parent, Question, title, text, buttons, defaultButton);
}

QMessageBox::StandardButton QMessageBox::warning(QWidget *parent, const QString &title,
                        const QString& text, StandardButtons buttons,
                        StandardButton defaultButton)
{
    return showNewMessageBox(parent, Warning, title, text, buttons, defaultButton);
}

QMessageBox::StandardButton QMessageBox::critical(QWidget *parent, const QString &title,
                         const QString& text, StandardButtons buttons,
                         StandardButton defaultButton)
{
    return showNewMessageBox(parent, Critical, title, text, buttons, defaultButton);
}

void QMessageBox::about(QWidget *parent, const QString &title, const QString &text)
{
#ifdef Q_WS_MAC
    static QPointer<QMessageBox> oldMsgBox;

    if (oldMsgBox && oldMsgBox->text() == text) {
        oldMsgBox->show();
        oldMsgBox->raise();
        oldMsgBox->activateWindow();
        return;
    }
#endif

    QMessageBox *msgBox = new QMessageBox(title, text, Information, 0, 0, 0, parent
#ifdef Q_WS_MAC
                                          , Qt::WindowTitleHint | Qt::WindowSystemMenuHint
#endif
    );
    msgBox->setAttribute(Qt::WA_DeleteOnClose);
    QIcon icon = msgBox->windowIcon();
    QSize size = icon.actualSize(QSize(64, 64));
    msgBox->setIconPixmap(icon.pixmap(size));

    // should perhaps be a style hint
#ifdef Q_WS_MAC
    oldMsgBox = msgBox;
#if 0
    // ### doesn't work until close button is enabled in title bar
    msgBox->d_func()->autoAddOkButton = false;
#else
    msgBox->d_func()->buttonBox->setCenterButtons(true);
#endif
    msgBox->show();
#else
    msgBox->exec();
#endif
}

void QMessageBox::aboutQt(QWidget *parent, const QString &title)
{
#ifdef Q_WS_MAC
    static QPointer<QMessageBox> oldMsgBox;

    if (oldMsgBox) {
        oldMsgBox->show();
        oldMsgBox->raise();
        oldMsgBox->activateWindow();
        return;
    }
#endif

    QString translatedTextAboutQtCaption;
    translatedTextAboutQtCaption = QMessageBox::tr(
        "<h3>About Qt</h3>"
        "<p>This program uses Qt version %1.</p>"
        ).arg(QLatin1String(QT_VERSION_STR));
    QString translatedTextAboutQtText;
    translatedTextAboutQtText = QMessageBox::tr(
        "<p>Qt is a C++ toolkit for cross-platform application "
        "development.</p>"
        "<p>Qt provides single-source portability across MS&nbsp;Windows, "
        "Mac&nbsp;OS&nbsp;X, Linux, and all major commercial Unix variants. "
        "Qt is also available for embedded devices as Qt for Embedded Linux "
        "and Qt for Windows CE.</p>"
        "<p>Qt is available under three different licensing options designed "
        "to accommodate the needs of our various users.</p>"
        "<p>Qt licensed under our commercial license agreement is appropriate "
        "for development of proprietary/commercial software where you do not "
        "want to share any source code with third parties or otherwise cannot "
        "comply with the terms of the GNU LGPL version 2.1 or GNU GPL version "
        "3.0.</p>"
        "<p>Qt licensed under the GNU LGPL version 2.1 is appropriate for the "
        "development of Qt applications (proprietary or open source) provided "
        "you can comply with the terms and conditions of the GNU LGPL version "
        "2.1.</p>"
        "<p>Qt licensed under the GNU General Public License version 3.0 is "
        "appropriate for the development of Qt applications where you wish to "
        "use such applications in combination with software subject to the "
        "terms of the GNU GPL version 3.0 or where you are otherwise willing "
        "to comply with the terms of the GNU GPL version 3.0.</p>"
        "<p>Please see <a href=\"http://qt.digia.com/product/licensing\">qt.digia.com/product/licensing</a> "
        "for an overview of Qt licensing.</p>"
        "<p>Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).</p>"
        "<p>Qt is a Digia product. See <a href=\"http://qt.digia.com/\">qt.digia.com</a> "
        "for more information.</p>"
        );
    QMessageBox *msgBox = new QMessageBox(parent);
    msgBox->setAttribute(Qt::WA_DeleteOnClose);
    msgBox->setWindowTitle(title.isEmpty() ? tr("About Qt") : title);
    msgBox->setText(translatedTextAboutQtCaption);
    msgBox->setInformativeText(translatedTextAboutQtText);

    QPixmap pm(QLatin1String(":/trolltech/qmessagebox/images/qtlogo-64.png"));
    if (!pm.isNull())
        msgBox->setIconPixmap(pm);
#if defined(Q_WS_WINCE)
    msgBox->setDefaultButton(msgBox->addButton(QMessageBox::Ok));
#endif

    // should perhaps be a style hint
#ifdef Q_WS_MAC
    oldMsgBox = msgBox;
#if 0
    // ### doesn't work until close button is enabled in title bar
    msgBox->d_func()->autoAddOkButton = false;
#else
    msgBox->d_func()->buttonBox->setCenterButtons(true);
#endif
    msgBox->show();
#else
    msgBox->exec();
#endif
}

QSize QMessageBox::sizeHint() const
{
    // ### Qt 5: remove
    return QDialog::sizeHint();
}

// Source and binary compatibility routines for 4.0 and 4.1

static QMessageBox::StandardButton newButton(int button)
{
    // this is needed for source compatibility with Qt 4.0 and 4.1
    if (button == QMessageBox::NoButton || (button & NewButtonMask))
        return QMessageBox::StandardButton(button & QMessageBox::ButtonMask);

#if QT_VERSION < 0x050000
    // this is needed for binary compatibility with Qt 4.0 and 4.1
    switch (button & Old_ButtonMask) {
    case Old_Ok:
        return QMessageBox::Ok;
    case Old_Cancel:
        return QMessageBox::Cancel;
    case Old_Yes:
        return QMessageBox::Yes;
    case Old_No:
        return QMessageBox::No;
    case Old_Abort:
        return QMessageBox::Abort;
    case Old_Retry:
        return QMessageBox::Retry;
    case Old_Ignore:
        return QMessageBox::Ignore;
    case Old_YesAll:
        return QMessageBox::YesToAll;
    case Old_NoAll:
        return QMessageBox::NoToAll;
    default:
        return QMessageBox::NoButton;
    }
#endif
}

static bool detectedCompat(int button0, int button1, int button2)
{
    if (button0 != 0 && !(button0 & NewButtonMask))
        return true;
    if (button1 != 0 && !(button1 & NewButtonMask))
        return true;
    if (button2 != 0 && !(button2 & NewButtonMask))
        return true;
    return false;
}

QAbstractButton *QMessageBoxPrivate::findButton(int button0, int button1, int button2, int flags)
{
    Q_Q(QMessageBox);
    int button = 0;

    if (button0 & flags) {
        button = button0;
    } else if (button1 & flags) {
        button = button1;
    } else if (button2 & flags) {
        button = button2;
    }
    return q->button(newButton(button));
}

void QMessageBoxPrivate::addOldButtons(int button0, int button1, int button2)
{
    Q_Q(QMessageBox);
    q->addButton(newButton(button0));
    q->addButton(newButton(button1));
    q->addButton(newButton(button2));
    q->setDefaultButton(
        static_cast<QPushButton *>(findButton(button0, button1, button2, QMessageBox::Default)));
    q->setEscapeButton(findButton(button0, button1, button2, QMessageBox::Escape));
    compatMode = detectedCompat(button0, button1, button2);
}

QAbstractButton *QMessageBoxPrivate::abstractButtonForId(int id) const
{
    Q_Q(const QMessageBox);
    QAbstractButton *result = customButtonList.value(id);
    if (result)
        return result;
    if (id & QMessageBox::FlagMask)    // for compatibility with Qt 4.0/4.1 (even if it is silly)
        return 0;
    return q->button(newButton(id));
}

int QMessageBoxPrivate::showOldMessageBox(QWidget *parent, QMessageBox::Icon icon,
                                          const QString &title, const QString &text,
                                          int button0, int button1, int button2)
{
    QMessageBox messageBox(icon, title, text, QMessageBox::NoButton, parent);
    messageBox.d_func()->addOldButtons(button0, button1, button2);
    return messageBox.exec();
}

int QMessageBoxPrivate::showOldMessageBox(QWidget *parent, QMessageBox::Icon icon,
                                            const QString &title, const QString &text,
                                            const QString &button0Text,
                                            const QString &button1Text,
                                            const QString &button2Text,
                                            int defaultButtonNumber,
                                            int escapeButtonNumber)
{
    QMessageBox messageBox(icon, title, text, QMessageBox::NoButton, parent);
    QString myButton0Text = button0Text;
    if (myButton0Text.isEmpty())
        myButton0Text = QDialogButtonBox::tr("OK");
    messageBox.addButton(myButton0Text, QMessageBox::ActionRole);
    if (!button1Text.isEmpty())
        messageBox.addButton(button1Text, QMessageBox::ActionRole);
    if (!button2Text.isEmpty())
        messageBox.addButton(button2Text, QMessageBox::ActionRole);

    const QList<QAbstractButton *> &buttonList = messageBox.d_func()->customButtonList;
    messageBox.setDefaultButton(static_cast<QPushButton *>(buttonList.value(defaultButtonNumber)));
    messageBox.setEscapeButton(buttonList.value(escapeButtonNumber));

    return messageBox.exec();
}

void QMessageBoxPrivate::retranslateStrings()
{
#ifndef QT_NO_TEXTEDIT
    if (detailsButton)
        detailsButton->setLabel(detailsText->isHidden() ? ShowLabel : HideLabel);
#endif
}

QMessageBox::QMessageBox(const QString &title, const QString &text, Icon icon,
                         int button0, int button1, int button2, QWidget *parent,
                         Qt::WindowFlags f)
    : QDialog(*new QMessageBoxPrivate, parent,
              f /*| Qt::MSWindowsFixedSizeDialogHint #### */| Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint)
{
    Q_D(QMessageBox);
    d->init(title, text);
    setIcon(icon);
    d->addOldButtons(button0, button1, button2);
}

int QMessageBox::information(QWidget *parent, const QString &title, const QString& text,
                               int button0, int button1, int button2)
{
    return QMessageBoxPrivate::showOldMessageBox(parent, Information, title, text,
                                                   button0, button1, button2);
}

int QMessageBox::information(QWidget *parent, const QString &title, const QString& text,
                               const QString& button0Text, const QString& button1Text,
                               const QString& button2Text, int defaultButtonNumber,
                               int escapeButtonNumber)
{
    return QMessageBoxPrivate::showOldMessageBox(parent, Information, title, text,
                                                   button0Text, button1Text, button2Text,
                                                   defaultButtonNumber, escapeButtonNumber);
}

int QMessageBox::question(QWidget *parent, const QString &title, const QString& text,
                            int button0, int button1, int button2)
{
    return QMessageBoxPrivate::showOldMessageBox(parent, Question, title, text,
                                                   button0, button1, button2);
}

int QMessageBox::question(QWidget *parent, const QString &title, const QString& text,
                            const QString& button0Text, const QString& button1Text,
                            const QString& button2Text, int defaultButtonNumber,
                            int escapeButtonNumber)
{
    return QMessageBoxPrivate::showOldMessageBox(parent, Question, title, text,
                                                   button0Text, button1Text, button2Text,
                                                   defaultButtonNumber, escapeButtonNumber);
}


int QMessageBox::warning(QWidget *parent, const QString &title, const QString& text,
                           int button0, int button1, int button2)
{
    return QMessageBoxPrivate::showOldMessageBox(parent, Warning, title, text,
                                                   button0, button1, button2);
}

int QMessageBox::warning(QWidget *parent, const QString &title, const QString& text,
                           const QString& button0Text, const QString& button1Text,
                           const QString& button2Text, int defaultButtonNumber,
                           int escapeButtonNumber)
{
    return QMessageBoxPrivate::showOldMessageBox(parent, Warning, title, text,
                                                   button0Text, button1Text, button2Text,
                                                   defaultButtonNumber, escapeButtonNumber);
}

int QMessageBox::critical(QWidget *parent, const QString &title, const QString& text,
                          int button0, int button1, int button2)
{
    return QMessageBoxPrivate::showOldMessageBox(parent, Critical, title, text,
                                                 button0, button1, button2);
}

int QMessageBox::critical(QWidget *parent, const QString &title, const QString& text,
                            const QString& button0Text, const QString& button1Text,
                            const QString& button2Text, int defaultButtonNumber,
                            int escapeButtonNumber)
{
    return QMessageBoxPrivate::showOldMessageBox(parent, Critical, title, text,
                                                   button0Text, button1Text, button2Text,
                                                   defaultButtonNumber, escapeButtonNumber);
}


QString QMessageBox::buttonText(int button) const
{
    Q_D(const QMessageBox);

    if (QAbstractButton *abstractButton = d->abstractButtonForId(button)) {
        return abstractButton->text();
    } else if (d->buttonBox->buttons().isEmpty() && (button == Ok || button == Old_Ok)) {
        // for compatibility with Qt 4.0/4.1
        return QDialogButtonBox::tr("OK");
    }
    return QString();
}

void QMessageBox::setButtonText(int button, const QString &text)
{
    Q_D(QMessageBox);
    if (QAbstractButton *abstractButton = d->abstractButtonForId(button)) {
        abstractButton->setText(text);
    } else if (d->buttonBox->buttons().isEmpty() && (button == Ok || button == Old_Ok)) {
        // for compatibility with Qt 4.0/4.1
        addButton(QMessageBox::Ok)->setText(text);
    }
}

#ifndef QT_NO_TEXTEDIT

QString QMessageBox::detailedText() const
{
    Q_D(const QMessageBox);
    return d->detailsText ? d->detailsText->text() : QString();
}

void QMessageBox::setDetailedText(const QString &text)
{
    Q_D(QMessageBox);
    if (text.isEmpty()) {
        delete d->detailsText;
        d->detailsText = 0;
        removeButton(d->detailsButton);
        delete d->detailsButton;
        d->detailsButton = 0;
        return;
    }

    if (!d->detailsText) {
        d->detailsText = new QMessageBoxDetailsText(this);
        QGridLayout* grid = qobject_cast<QGridLayout*>(layout());
        if (grid)
            grid->addWidget(d->detailsText, grid->rowCount(), 0, 1, grid->columnCount());
        d->detailsText->hide();
    }
    if (!d->detailsButton)
        d->detailsButton = new DetailButton(this);
    d->detailsText->setText(text);
}
#endif // QT_NO_TEXTEDIT

QString QMessageBox::informativeText() const
{
    Q_D(const QMessageBox);
    return d->informativeLabel ? d->informativeLabel->text() : QString();
}

void QMessageBox::setInformativeText(const QString &text)
{
    Q_D(QMessageBox);
    if (text.isEmpty()) {
        layout()->removeWidget(d->informativeLabel);
        delete d->informativeLabel;
        d->informativeLabel = 0;
#ifndef Q_WS_MAC
        d->label->setContentsMargins(2, 0, 0, 0);
#endif
        d->updateSize();
        return;
    }

    if (!d->informativeLabel) {
        QLabel *label = new QLabel(this);
        label->setObjectName(QLatin1String("qt_msgbox_informativelabel"));
        label->setTextInteractionFlags(Qt::TextInteractionFlags(style()->styleHint(QStyle::SH_MessageBox_TextInteractionFlags, 0, this)));
        label->setAlignment(Qt::AlignTop | Qt::AlignLeft);
        label->setOpenExternalLinks(true);
        label->setWordWrap(true);
#ifndef Q_WS_MAC
        d->label->setContentsMargins(2, 0, 0, 0);
        label->setContentsMargins(2, 0, 0, 6);
        label->setIndent(9);
#else
        label->setContentsMargins(16, 0, 0, 0);
        // apply a smaller font the information label on the mac
        label->setFont(qt_app_fonts_hash()->value("QTipLabel"));
#endif
        label->setWordWrap(true);
        QGridLayout *grid = static_cast<QGridLayout *>(layout());
#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5)
        label->hide();
        QTextBrowser *textBrowser = new QTextBrowser(this);
        textBrowser->setOpenExternalLinks(true);
#if defined(Q_OS_SYMBIAN)
        const int preferredTextColumn = (QApplication::layoutDirection() == Qt::LeftToRight) ? 0 : 1;
#else
        const int preferredTextColumn = 1;
#endif
        grid->addWidget(textBrowser, 1, preferredTextColumn, 1, 1);
        d->textBrowser = textBrowser;
#else
        grid->addWidget(label, 1, 1, 1, 1);
#endif
        d->informativeLabel = label;
    }
    d->informativeLabel->setText(text);

#if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5)
    //We need to put the informative label inside textBrowser to enable scrolling of long texts.
    d->textBrowser->setText(d->informativeLabel->text());
#endif

    d->updateSize();
}

void QMessageBox::setWindowTitle(const QString &title)
{
    // Message boxes on the mac do not have a title
#ifndef Q_WS_MAC
    QDialog::setWindowTitle(title);
#else
    Q_UNUSED(title);
#endif
}


void QMessageBox::setWindowModality(Qt::WindowModality windowModality)
{
    QDialog::setWindowModality(windowModality);

    if (parentWidget() && windowModality == Qt::WindowModal)
        setParent(parentWidget(), Qt::Sheet);
    else
        setParent(parentWidget(), Qt::Dialog);
    setDefaultButton(d_func()->defaultButton);
}

#ifdef QT3_SUPPORT

QMessageBox::QMessageBox(const QString& title,
                         const QString &text, Icon icon,
                         int button0, int button1, int button2,
                         QWidget *parent, const char *name,
                         bool modal, Qt::WindowFlags f)
    : QDialog(*new QMessageBoxPrivate, parent,
              f | Qt::WStyle_Customize | Qt::WStyle_DialogBorder | Qt::WStyle_Title | Qt::WStyle_SysMenu | Qt::WindowCloseButtonHint)
{
    Q_D(QMessageBox);
    setObjectName(QString::fromAscii(name));
    d->init(title, text);
    d->addOldButtons(button0, button1, button2);
    setModal(modal);
    setIcon(icon);
}

QMessageBox::QMessageBox(QWidget *parent, const char *name)
    : QDialog(*new QMessageBoxPrivate, parent,
              Qt::WStyle_Customize | Qt::WStyle_DialogBorder | Qt::WStyle_Title | Qt::WStyle_SysMenu | Qt::WindowCloseButtonHint)
{
    Q_D(QMessageBox);
    setObjectName(QString::fromAscii(name));
    d->init();
}

QPixmap QMessageBox::standardIcon(Icon icon, Qt::GUIStyle style)
{
    Q_UNUSED(style);
    return QMessageBox::standardIcon(icon);
}

#endif

QPixmap QMessageBoxPrivate::standardIcon(QMessageBox::Icon icon, QMessageBox *mb)
{
    QStyle *style = mb ? mb->style() : QApplication::style();
    int iconSize = style->pixelMetric(QStyle::PM_MessageBoxIconSize, 0, mb);
    QIcon tmpIcon;
    switch (icon) {
    case QMessageBox::Information:
        tmpIcon = style->standardIcon(QStyle::SP_MessageBoxInformation, 0, mb);
        break;
    case QMessageBox::Warning:
        tmpIcon = style->standardIcon(QStyle::SP_MessageBoxWarning, 0, mb);
        break;
    case QMessageBox::Critical:
        tmpIcon = style->standardIcon(QStyle::SP_MessageBoxCritical, 0, mb);
        break;
    case QMessageBox::Question:
        tmpIcon = style->standardIcon(QStyle::SP_MessageBoxQuestion, 0, mb);
    default:
        break;
    }
    if (!tmpIcon.isNull())
        return tmpIcon.pixmap(iconSize, iconSize);
    return QPixmap();
}

QPixmap QMessageBox::standardIcon(Icon icon)
{
    return QMessageBoxPrivate::standardIcon(icon, 0);
}

QT_END_NAMESPACE

#include "moc_qmessagebox.cpp"

#endif // QT_NO_MESSAGEBOX