qdialog.cpp

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#include "qdialog.h"


#include "qevent.h"
#include "qdesktopwidget.h"
#include "qpushbutton.h"
#include "qapplication.h"
#include "qlayout.h"
#include "qsizegrip.h"
#include "qwhatsthis.h"
#include "qmenu.h"
#include "qcursor.h"
#include "private/qdialog_p.h"
#ifndef QT_NO_ACCESSIBILITY
#include "qaccessible.h"
#endif
#if defined(Q_WS_WINCE)
#include "qt_windows.h"
#include "qmenubar.h"
#include "qpointer.h"
#include "qguifunctions_wince.h"
extern bool qt_wince_is_mobile();     //defined in qguifunctions_wce.cpp
extern bool qt_wince_is_smartphone(); //is defined in qguifunctions_wce.cpp
#elif defined(Q_WS_X11)
#  include "../kernel/qt_x11_p.h"
#elif defined(Q_OS_SYMBIAN)
#   include "qfiledialog.h"
#   include "qfontdialog.h"
#   include "qwizard.h"
#   include "private/qt_s60_p.h"
#elif defined(Q_OS_BLACKBERRY)
#   include "qmessagebox.h"
#endif

#if defined(Q_WS_S60)
#include <AknUtils.h>               // AknLayoutUtils
#endif

#ifndef SPI_GETSNAPTODEFBUTTON
#   define SPI_GETSNAPTODEFBUTTON  95
#endif

QT_BEGIN_NAMESPACE

QDialog::QDialog(QWidget *parent, Qt::WindowFlags f)
    : QWidget(*new QDialogPrivate, parent,
              f | ((f & Qt::WindowType_Mask) == 0 ? Qt::Dialog : Qt::WindowType(0)))
{
#ifdef Q_WS_WINCE
    if (!qt_wince_is_smartphone())
        setWindowFlags(windowFlags() | Qt::WindowOkButtonHint | QFlag(qt_wince_is_mobile() ? 0 : Qt::WindowCancelButtonHint));
#endif

#ifdef Q_WS_S60
    if (S60->avkonComponentsSupportTransparency) {
        bool noSystemBackground = testAttribute(Qt::WA_NoSystemBackground);
        setAttribute(Qt::WA_TranslucentBackground); // also sets WA_NoSystemBackground
        setAttribute(Qt::WA_NoSystemBackground, noSystemBackground); // restore system background attribute
    }
#endif
}

#ifdef QT3_SUPPORT

QDialog::QDialog(QWidget *parent, const char *name, bool modal, Qt::WindowFlags f)
    : QWidget(*new QDialogPrivate, parent,
              f
              | QFlag(modal ? Qt::WShowModal : Qt::WindowType(0))
              | QFlag((f & Qt::WindowType_Mask) == 0 ? Qt::Dialog : Qt::WindowType(0))
        )
{
    setObjectName(QString::fromAscii(name));
}
#endif

QDialog::QDialog(QDialogPrivate &dd, QWidget *parent, Qt::WindowFlags f)
    : QWidget(dd, parent, f | ((f & Qt::WindowType_Mask) == 0 ? Qt::Dialog : Qt::WindowType(0)))
{
#ifdef Q_WS_WINCE
    if (!qt_wince_is_smartphone())
        setWindowFlags(windowFlags() | Qt::WindowOkButtonHint | QFlag(qt_wince_is_mobile() ? 0 : Qt::WindowCancelButtonHint));
#endif

#ifdef Q_WS_S60
    if (S60->avkonComponentsSupportTransparency) {
        bool noSystemBackground = testAttribute(Qt::WA_NoSystemBackground);
        setAttribute(Qt::WA_TranslucentBackground); // also sets WA_NoSystemBackground
        setAttribute(Qt::WA_NoSystemBackground, noSystemBackground); // restore system background attribute
    }
#endif
}

QDialog::~QDialog()
{
    QT_TRY {
        // Need to hide() here, as our (to-be) overridden hide()
        // will not be called in ~QWidget.
        hide();
    } QT_CATCH(...) {
        // we're in the destructor - just swallow the exception
    }
}

void QDialogPrivate::setDefault(QPushButton *pushButton)
{
    Q_Q(QDialog);
    bool hasMain = false;
    QList<QPushButton*> list = q->findChildren<QPushButton*>();
    for (int i=0; i<list.size(); ++i) {
        QPushButton *pb = list.at(i);
        if (pb->window() == q) {
            if (pb == mainDef)
                hasMain = true;
            if (pb != pushButton)
                pb->setDefault(false);
        }
    }
    if (!pushButton && hasMain)
        mainDef->setDefault(true);
    if (!hasMain)
        mainDef = pushButton;
}

void QDialogPrivate::setMainDefault(QPushButton *pushButton)
{
    mainDef = 0;
    setDefault(pushButton);
}

void QDialogPrivate::hideDefault()
{
    Q_Q(QDialog);
    QList<QPushButton*> list = q->findChildren<QPushButton*>();
    for (int i=0; i<list.size(); ++i) {
        list.at(i)->setDefault(false);
    }
}

void QDialogPrivate::resetModalitySetByOpen()
{
    Q_Q(QDialog);
    if (resetModalityTo != -1 && !q->testAttribute(Qt::WA_SetWindowModality)) {
        // open() changed the window modality and the user didn't touch it afterwards; restore it
        q->setWindowModality(Qt::WindowModality(resetModalityTo));
        q->setAttribute(Qt::WA_SetWindowModality, wasModalitySet);
#ifdef Q_WS_MAC
        Q_ASSERT(resetModalityTo != Qt::WindowModal);
        q->setParent(q->parentWidget(), Qt::Dialog);
#endif
    }
    resetModalityTo = -1;
}

#if defined(Q_WS_WINCE) || defined(Q_OS_SYMBIAN)
#ifdef Q_WS_WINCE_WM
void QDialogPrivate::_q_doneAction()
{
    //Done...
    QApplication::postEvent(q_func(), new QEvent(QEvent::OkRequest));
}
#endif

bool QDialog::event(QEvent *e)
{
    bool result = QWidget::event(e);
#ifdef Q_WS_WINCE
    if (e->type() == QEvent::OkRequest) {
        accept();
        result = true;
     }
#elif defined(Q_WS_S60)
    if ((e->type() == QEvent::StyleChange) || (e->type() == QEvent::Resize )) {
        if (!testAttribute(Qt::WA_Moved)) {
            Qt::WindowStates state = windowState();
            adjustPosition(parentWidget());
            setAttribute(Qt::WA_Moved, false); // not really an explicit position
            if (state != windowState())
                setWindowState(state);
        }
    }
    // TODO is Symbian, non-S60 behaviour required?
#endif
    return result;
}
#endif

int QDialog::result() const
{
    Q_D(const QDialog);
    return d->rescode;
}

void QDialog::setResult(int r)
{
    Q_D(QDialog);
    d->rescode = r;
}

void QDialog::open()
{
    Q_D(QDialog);

    Qt::WindowModality modality = windowModality();
    if (modality != Qt::WindowModal) {
        d->resetModalityTo = modality;
        d->wasModalitySet = testAttribute(Qt::WA_SetWindowModality);
        setWindowModality(Qt::WindowModal);
        setAttribute(Qt::WA_SetWindowModality, false);
#ifdef Q_WS_MAC
        setParent(parentWidget(), Qt::Sheet);
#endif
    }

    setResult(0);
    show();
}

int QDialog::exec()
{
    Q_D(QDialog);

    if (d->eventLoop) {
        qWarning("QDialog::exec: Recursive call detected");
        return -1;
    }

    bool deleteOnClose = testAttribute(Qt::WA_DeleteOnClose);
    setAttribute(Qt::WA_DeleteOnClose, false);

    d->resetModalitySetByOpen();

    bool wasShowModal = testAttribute(Qt::WA_ShowModal);
    setAttribute(Qt::WA_ShowModal, true);
    setResult(0);

//On Windows Mobile we create an empty menu to hide the current menu
#ifdef Q_WS_WINCE_WM
#ifndef QT_NO_MENUBAR
    QMenuBar *menuBar = 0;
    if (!findChild<QMenuBar *>())
        menuBar = new QMenuBar(this);
    if (qt_wince_is_smartphone()) {
        QAction *doneAction = new QAction(tr("Done"), this);
        menuBar->setDefaultAction(doneAction);
        connect(doneAction, SIGNAL(triggered()), this, SLOT(_q_doneAction()));
    }
#endif //QT_NO_MENUBAR
#endif //Q_WS_WINCE_WM

    bool showSystemDialogFullScreen = false;

#ifdef Q_OS_SYMBIAN
    if (qobject_cast<QFileDialog *>(this) || qobject_cast<QFontDialog *>(this) ||
        qobject_cast<QWizard *>(this)) {
        showSystemDialogFullScreen = true;
    }
#endif // Q_OS_SYMBIAN

#ifdef Q_OS_BLACKBERRY
    if (!qobject_cast<QMessageBox *>(this))
        showSystemDialogFullScreen = true;
#endif // Q_OS_BLACKBERRY

    if (showSystemDialogFullScreen) {
        setWindowFlags(windowFlags() | Qt::WindowSoftkeysVisibleHint);
        setWindowState(Qt::WindowFullScreen);
    }
    show();

#ifdef Q_WS_MAC
    d->mac_nativeDialogModalHelp();
#endif

    QEventLoop eventLoop;
    d->eventLoop = &eventLoop;
    QPointer<QDialog> guard = this;
    (void) eventLoop.exec(QEventLoop::DialogExec);
    if (guard.isNull())
        return QDialog::Rejected;
    d->eventLoop = 0;

    setAttribute(Qt::WA_ShowModal, wasShowModal);

    int res = result();
    if (deleteOnClose)
        delete this;
#ifdef Q_WS_WINCE_WM
#ifndef QT_NO_MENUBAR
    else if (menuBar)
        delete menuBar;
#endif //QT_NO_MENUBAR
#endif //Q_WS_WINCE_WM
    return res;
}


void QDialog::done(int r)
{
    Q_D(QDialog);
    hide();
    setResult(r);

    d->close_helper(QWidgetPrivate::CloseNoEvent);
    d->resetModalitySetByOpen();

    emit finished(r);
    if (r == Accepted)
        emit accepted();
    else if (r == Rejected)
        emit rejected();
}

void QDialog::accept()
{
    done(Accepted);
}

void QDialog::reject()
{
    done(Rejected);
}

bool QDialog::eventFilter(QObject *o, QEvent *e)
{
    return QWidget::eventFilter(o, e);
}

/*****************************************************************************
  Event handlers
 *****************************************************************************/

#ifndef QT_NO_CONTEXTMENU

void QDialog::contextMenuEvent(QContextMenuEvent *e)
{
#if defined(QT_NO_WHATSTHIS) || defined(QT_NO_MENU)
    Q_UNUSED(e);
#else
    QWidget *w = childAt(e->pos());
    if (!w) {
        w = rect().contains(e->pos()) ? this : 0;
        if (!w)
            return;
    }
    while (w && w->whatsThis().size() == 0 && !w->testAttribute(Qt::WA_CustomWhatsThis))
        w = w->isWindow() ? 0 : w->parentWidget();
    if (w) {
        QWeakPointer<QMenu> p = new QMenu(this);
        QAction *wt = p.data()->addAction(tr("What's This?"));
        if (p.data()->exec(e->globalPos()) == wt) {
            QHelpEvent e(QEvent::WhatsThis, w->rect().center(),
                         w->mapToGlobal(w->rect().center()));
            QApplication::sendEvent(w, &e);
        }
        delete p.data();
    }
#endif
}
#endif // QT_NO_CONTEXTMENU

void QDialog::keyPressEvent(QKeyEvent *e)
{
    //   Calls reject() if Escape is pressed. Simulates a button
    //   click for the default button if Enter is pressed. Move focus
    //   for the arrow keys. Ignore the rest.
#ifdef Q_WS_MAC
    if(e->modifiers() == Qt::ControlModifier && e->key() == Qt::Key_Period) {
        reject();
    } else
#endif
    if (!e->modifiers() || (e->modifiers() & Qt::KeypadModifier && e->key() == Qt::Key_Enter)) {
        switch (e->key()) {
        case Qt::Key_Enter:
        case Qt::Key_Return: {
            QList<QPushButton*> list = findChildren<QPushButton*>();
            for (int i=0; i<list.size(); ++i) {
                QPushButton *pb = list.at(i);
                if (pb->isDefault() && pb->isVisible()) {
                    if (pb->isEnabled())
                        pb->click();
                    return;
                }
            }
        }
        break;
        case Qt::Key_Escape:
            reject();
            break;
        default:
            e->ignore();
            return;
        }
    } else {
        e->ignore();
    }
}

void QDialog::closeEvent(QCloseEvent *e)
{
#ifndef QT_NO_WHATSTHIS
    if (isModal() && QWhatsThis::inWhatsThisMode())
        QWhatsThis::leaveWhatsThisMode();
#endif
    if (isVisible()) {
        QPointer<QObject> that = this;
        reject();
        if (that && isVisible())
            e->ignore();
    } else {
        e->accept();
    }
}

/*****************************************************************************
  Geometry management.
 *****************************************************************************/

void QDialog::setVisible(bool visible)
{
    Q_D(QDialog);
    if (visible) {
        if (testAttribute(Qt::WA_WState_ExplicitShowHide) && !testAttribute(Qt::WA_WState_Hidden))
            return;

        if (!testAttribute(Qt::WA_Moved)) {
            Qt::WindowStates state = windowState();
            adjustPosition(parentWidget());
            setAttribute(Qt::WA_Moved, false); // not really an explicit position
            if (state != windowState())
                setWindowState(state);
        }
        QWidget::setVisible(visible);
        showExtension(d->doShowExtension);
        QWidget *fw = window()->focusWidget();
        if (!fw)
            fw = this;

        /*
          The following block is to handle a special case, and does not
          really follow propper logic in concern of autoDefault and TAB
          order. However, it's here to ease usage for the users. If a
          dialog has a default QPushButton, and first widget in the TAB
          order also is a QPushButton, then we give focus to the main
          default QPushButton. This simplifies code for the developers,
          and actually catches most cases... If not, then they simply
          have to use [widget*]->setFocus() themselves...
        */
        if (d->mainDef && fw->focusPolicy() == Qt::NoFocus) {
            QWidget *first = fw;
            while ((first = first->nextInFocusChain()) != fw && first->focusPolicy() == Qt::NoFocus)
                ;
            if (first != d->mainDef && qobject_cast<QPushButton*>(first))
                d->mainDef->setFocus();
        }
        if (!d->mainDef && isWindow()) {
            QWidget *w = fw;
            while ((w = w->nextInFocusChain()) != fw) {
                QPushButton *pb = qobject_cast<QPushButton *>(w);
                if (pb && pb->autoDefault() && pb->focusPolicy() != Qt::NoFocus) {
                    pb->setDefault(true);
                    break;
                }
            }
        }
        if (fw && !fw->hasFocus()) {
            QFocusEvent e(QEvent::FocusIn, Qt::TabFocusReason);
            QApplication::sendEvent(fw, &e);
        }

#ifndef QT_NO_ACCESSIBILITY
        QAccessible::updateAccessibility(this, 0, QAccessible::DialogStart);
#endif

    } else {
        if (testAttribute(Qt::WA_WState_ExplicitShowHide) && testAttribute(Qt::WA_WState_Hidden))
            return;

#ifndef QT_NO_ACCESSIBILITY
        if (isVisible())
            QAccessible::updateAccessibility(this, 0, QAccessible::DialogEnd);
#endif

        // Reimplemented to exit a modal event loop when the dialog is hidden.
        QWidget::setVisible(visible);
        if (d->eventLoop)
            d->eventLoop->exit();
    }
#ifdef Q_WS_WIN
    if (d->mainDef && isActiveWindow()) {
        BOOL snapToDefault = false;
        if (SystemParametersInfo(SPI_GETSNAPTODEFBUTTON, 0, &snapToDefault, 0)) {
            if (snapToDefault)
                QCursor::setPos(d->mainDef->mapToGlobal(d->mainDef->rect().center()));
        }
    }
#endif
}

void QDialog::showEvent(QShowEvent *event)
{
    if (!event->spontaneous() && !testAttribute(Qt::WA_Moved)) {
        Qt::WindowStates  state = windowState();
        adjustPosition(parentWidget());
        setAttribute(Qt::WA_Moved, false); // not really an explicit position
        if (state != windowState())
            setWindowState(state);
    }
}

void QDialog::adjustPosition(QWidget* w)
{
#ifdef Q_WS_X11
    // if the WM advertises that it will place the windows properly for us, let it do it :)
    if (X11->isSupportedByWM(ATOM(_NET_WM_FULL_PLACEMENT)))
        return;
#endif

#ifdef Q_OS_SYMBIAN
    if (symbianAdjustedPosition())
        //dialog has already been positioned
        return;
#endif

    QPoint p(0, 0);
    int extraw = 0, extrah = 0, scrn = 0;
    if (w)
        w = w->window();
    QRect desk;
    if (w) {
        scrn = QApplication::desktop()->screenNumber(w);
    } else if (QApplication::desktop()->isVirtualDesktop()) {
        scrn = QApplication::desktop()->screenNumber(QCursor::pos());
    } else {
        scrn = QApplication::desktop()->screenNumber(this);
    }
    desk = QApplication::desktop()->availableGeometry(scrn);

    QWidgetList list = QApplication::topLevelWidgets();
    for (int i = 0; (extraw == 0 || extrah == 0) && i < list.size(); ++i) {
        QWidget * current = list.at(i);
        if (current->isVisible()) {
            int framew = current->geometry().x() - current->x();
            int frameh = current->geometry().y() - current->y();

            extraw = qMax(extraw, framew);
            extrah = qMax(extrah, frameh);
        }
    }

    // sanity check for decoration frames. With embedding, we
    // might get extraordinary values
    if (extraw == 0 || extrah == 0 || extraw >= 10 || extrah >= 40) {
        extrah = 40;
        extraw = 10;
    }


    if (w) {
        // Use mapToGlobal rather than geometry() in case w might
        // be embedded in another application
        QPoint pp = w->mapToGlobal(QPoint(0,0));
        p = QPoint(pp.x() + w->width()/2,
                    pp.y() + w->height()/ 2);
    } else {
        // p = middle of the desktop
        p = QPoint(desk.x() + desk.width()/2, desk.y() + desk.height()/2);
    }

    // p = origin of this
    p = QPoint(p.x()-width()/2 - extraw,
                p.y()-height()/2 - extrah);


    if (p.x() + extraw + width() > desk.x() + desk.width())
        p.setX(desk.x() + desk.width() - width() - extraw);
    if (p.x() < desk.x())
        p.setX(desk.x());

    if (p.y() + extrah + height() > desk.y() + desk.height())
        p.setY(desk.y() + desk.height() - height() - extrah);
    if (p.y() < desk.y())
        p.setY(desk.y());

    move(p);
}

#if defined(Q_OS_SYMBIAN)

bool QDialog::symbianAdjustedPosition()
{
#if defined(Q_WS_S60)
    QPoint p;
    QPoint oldPos = pos();
    if (isFullScreen()) {
        p.setX(0);
        p.setY(0);
    } else if (isMaximized()) {
        TRect statusPaneRect = TRect();
        if (S60->screenHeightInPixels > S60->screenWidthInPixels) {
            AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EStatusPane, statusPaneRect);
        } else {
            AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EStaconTop, statusPaneRect);
            // In some native layouts, StaCon is not used. Try to fetch the status pane
            // height from StatusPane component.
            if (statusPaneRect.IsEmpty())
                AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EStatusPane, statusPaneRect);
        }

        p.setX(0);
        p.setY(statusPaneRect.Height());
    } else {
        // naive way to deduce screen orientation
        if (S60->screenHeightInPixels > S60->screenWidthInPixels) {
            int cbaHeight;
            TRect rect;
            AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EControlPane, rect);
            cbaHeight = rect.Height();
            p.setY(S60->screenHeightInPixels - height() - cbaHeight);
            p.setX(0);
        } else {
            const int scrollbarWidth = style()->pixelMetric(QStyle::PM_ScrollBarExtent);
            TRect staConTopRect = TRect();
            AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EStaconTop, staConTopRect);
            if (staConTopRect.IsEmpty()) {
                TRect cbaRect = TRect();
                AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EControlPane, cbaRect);
                AknLayoutUtils::TAknCbaLocation cbaLocation = AknLayoutUtils::CbaLocation();
                switch (cbaLocation) {
                case AknLayoutUtils::EAknCbaLocationBottom:
                    p.setY(S60->screenHeightInPixels - height() - cbaRect.Height());
                    p.setX((S60->screenWidthInPixels - width()) >> 1);
                    break;
                case AknLayoutUtils::EAknCbaLocationRight:
                    p.setY((S60->screenHeightInPixels - height()) >> 1);
                    p.setX(qMax(0,S60->screenWidthInPixels - width() - scrollbarWidth - cbaRect.Width()));
                    break;
                case AknLayoutUtils::EAknCbaLocationLeft:
                    p.setY((S60->screenHeightInPixels - height()) >> 1);
                    p.setX(qMax(0,scrollbarWidth + cbaRect.Width()));
                    break;
                }
            } else {
                p.setY((S60->screenHeightInPixels - height()) >> 1);
                p.setX(qMax(0,S60->screenWidthInPixels - width()));
            }
        }
    }
    if (oldPos != p || p.y() < 0)
        move(p);
    return true;
#else
    // TODO - check positioning requirement for Symbian, non-s60
    return false;
#endif
}
#endif

void QDialog::setOrientation(Qt::Orientation orientation)
{
    Q_D(QDialog);
    d->orientation = orientation;
}

Qt::Orientation QDialog::orientation() const
{
    Q_D(const QDialog);
    return d->orientation;
}

void QDialog::setExtension(QWidget* extension)
{
    Q_D(QDialog);
    delete d->extension;
    d->extension = extension;

    if (!extension)
        return;

    if (extension->parentWidget() != this)
        extension->setParent(this);
    extension->hide();
}

QWidget* QDialog::extension() const
{
    Q_D(const QDialog);
    return d->extension;
}


void QDialog::showExtension(bool showIt)
{
    Q_D(QDialog);
    d->doShowExtension = showIt;
    if (!d->extension)
        return;
    if (!testAttribute(Qt::WA_WState_Visible))
        return;
    if (d->extension->isVisible() == showIt)
        return;

    if (showIt) {
        d->size = size();
        d->min = minimumSize();
        d->max = maximumSize();
        if (layout())
            layout()->setEnabled(false);
        QSize s(d->extension->sizeHint()
                 .expandedTo(d->extension->minimumSize())
                 .boundedTo(d->extension->maximumSize()));
        if (d->orientation == Qt::Horizontal) {
            int h = qMax(height(), s.height());
            d->extension->setGeometry(width(), 0, s.width(), h);
            setFixedSize(width() + s.width(), h);
        } else {
            int w = qMax(width(), s.width());
            d->extension->setGeometry(0, height(), w, s.height());
            setFixedSize(w, height() + s.height());
        }
        d->extension->show();
#ifndef QT_NO_SIZEGRIP
        const bool sizeGripEnabled = isSizeGripEnabled();
        setSizeGripEnabled(false);
        d->sizeGripEnabled = sizeGripEnabled;
#endif
    } else {
        d->extension->hide();
        // workaround for CDE window manager that won't shrink with (-1,-1)
        setMinimumSize(d->min.expandedTo(QSize(1, 1)));
        setMaximumSize(d->max);
        resize(d->size);
        if (layout())
            layout()->setEnabled(true);
#ifndef QT_NO_SIZEGRIP
        setSizeGripEnabled(d->sizeGripEnabled);
#endif
    }
}


QSize QDialog::sizeHint() const
{
    Q_D(const QDialog);
    if (d->extension) {
        if (d->orientation == Qt::Horizontal)
            return QSize(QWidget::sizeHint().width(),
                        qMax(QWidget::sizeHint().height(),d->extension->sizeHint().height()));
        else
            return QSize(qMax(QWidget::sizeHint().width(), d->extension->sizeHint().width()),
                        QWidget::sizeHint().height());
    }
#if defined(Q_WS_S60)
    // if size is not fixed, try to adjust it according to S60 layoutting
    if (minimumSize() != maximumSize()) {
        // In S60, dialogs are always the width of screen (in portrait, regardless of current layout)
        return QSize(qMin(S60->screenHeightInPixels, S60->screenWidthInPixels), QWidget::sizeHint().height());
    } else {
        return QWidget::sizeHint();
    }
#else
    return QWidget::sizeHint();
#endif //Q_WS_S60
}


QSize QDialog::minimumSizeHint() const
{
    Q_D(const QDialog);
    if (d->extension) {
        if (d->orientation == Qt::Horizontal)
            return QSize(QWidget::minimumSizeHint().width(),
                        qMax(QWidget::minimumSizeHint().height(), d->extension->minimumSizeHint().height()));
        else
            return QSize(qMax(QWidget::minimumSizeHint().width(), d->extension->minimumSizeHint().width()),
                        QWidget::minimumSizeHint().height());
    }

    return QWidget::minimumSizeHint();
}

void QDialog::setModal(bool modal)
{
    setAttribute(Qt::WA_ShowModal, modal);
}


bool QDialog::isSizeGripEnabled() const
{
#ifndef QT_NO_SIZEGRIP
    Q_D(const QDialog);
    return !!d->resizer;
#else
    return false;
#endif
}


void QDialog::setSizeGripEnabled(bool enabled)
{
#ifdef QT_NO_SIZEGRIP
    Q_UNUSED(enabled);
#else
    Q_D(QDialog);
#ifndef QT_NO_SIZEGRIP
    d->sizeGripEnabled = enabled;
    if (enabled && d->doShowExtension)
        return;
#endif
    if (!enabled != !d->resizer) {
        if (enabled) {
            d->resizer = new QSizeGrip(this);
            // adjustSize() processes all events, which is suboptimal
            d->resizer->resize(d->resizer->sizeHint());
            if (isRightToLeft())
                d->resizer->move(rect().bottomLeft() -d->resizer->rect().bottomLeft());
            else
                d->resizer->move(rect().bottomRight() -d->resizer->rect().bottomRight());
            d->resizer->raise();
            d->resizer->show();
        } else {
            delete d->resizer;
            d->resizer = 0;
        }
    }
#endif //QT_NO_SIZEGRIP
}



void QDialog::resizeEvent(QResizeEvent *)
{
#ifndef QT_NO_SIZEGRIP
    Q_D(QDialog);
    if (d->resizer) {
        if (isRightToLeft())
            d->resizer->move(rect().bottomLeft() -d->resizer->rect().bottomLeft());
        else
            d->resizer->move(rect().bottomRight() -d->resizer->rect().bottomRight());
        d->resizer->raise();
    }
#endif
}

QT_END_NAMESPACE
#include "moc_qdialog.cpp"