qquickdialog.cpp

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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qquickdialog_p.h"
#include "qquickdialog_p_p.h"
#include "qquickdialogbuttonbox_p.h"
#include "qquickabstractbutton_p.h"
#include "qquickpopupitem_p_p.h"
 
QT_BEGIN_NAMESPACE
 
 
QPlatformDialogHelper::ButtonRole QQuickDialogPrivate::buttonRole(QQuickAbstractButton *button)
{
    const QQuickDialogButtonBoxAttached *attached = qobject_cast<QQuickDialogButtonBoxAttached *>(qmlAttachedPropertiesObject<QQuickDialogButtonBox>(button, false));
    return attached ? attached->buttonRole() : QPlatformDialogHelper::InvalidRole;
}
 
void QQuickDialogPrivate::handleAccept()
{
    Q_Q(QQuickDialog);
    q->accept();
}
 
void QQuickDialogPrivate::handleReject()
{
    Q_Q(QQuickDialog);
    q->reject();
}
 
void QQuickDialogPrivate::handleClick(QQuickAbstractButton *button)
{
    Q_Q(QQuickDialog);
    switch (buttonRole(button)) {
    case QPlatformDialogHelper::ApplyRole:
        emit q->applied();
        break;
    case QPlatformDialogHelper::ResetRole:
        emit q->reset();
        break;
    case QPlatformDialogHelper::DestructiveRole:
        emit q->discarded();
        break;
    case QPlatformDialogHelper::HelpRole:
        emit q->helpRequested();
        break;
    default:
        break;
    }
}
 
QQuickDialog::QQuickDialog(QObject *parent)
    : QQuickDialog(*(new QQuickDialogPrivate), parent)
{
}
 
QQuickDialog::QQuickDialog(QQuickDialogPrivate &dd, QObject *parent)
    : QQuickPopup(dd, parent)
{
    Q_D(QQuickDialog);
 
    // Dialogs should get active focus when opened so that e.g. Cancel closes them.
    setFocus(true);
 
    QObject::connect(d->popupItem, &QQuickPopupItem::titleChanged, this, &QQuickDialog::titleChanged);
    QObject::connect(d->popupItem, &QQuickPopupItem::headerChanged, this, &QQuickDialog::headerChanged);
    QObject::connect(d->popupItem, &QQuickPopupItem::footerChanged, this, &QQuickDialog::footerChanged);
    QObject::connect(d->popupItem, &QQuickPopupItem::implicitHeaderWidthChanged, this, &QQuickDialog::implicitHeaderWidthChanged);
    QObject::connect(d->popupItem, &QQuickPopupItem::implicitHeaderHeightChanged, this, &QQuickDialog::implicitHeaderHeightChanged);
    QObject::connect(d->popupItem, &QQuickPopupItem::implicitFooterWidthChanged, this, &QQuickDialog::implicitFooterWidthChanged);
    QObject::connect(d->popupItem, &QQuickPopupItem::implicitFooterHeightChanged, this, &QQuickDialog::implicitFooterHeightChanged);
}
 
QQuickDialog::~QQuickDialog()
{
    Q_D(QQuickDialog);
    QObject::disconnect(d->popupItem, &QQuickPopupItem::titleChanged, this, &QQuickDialog::titleChanged);
    QObject::disconnect(d->popupItem, &QQuickPopupItem::headerChanged, this, &QQuickDialog::headerChanged);
    QObject::disconnect(d->popupItem, &QQuickPopupItem::footerChanged, this, &QQuickDialog::footerChanged);
    QObject::disconnect(d->popupItem, &QQuickPopupItem::implicitHeaderWidthChanged, this, &QQuickDialog::implicitHeaderWidthChanged);
    QObject::disconnect(d->popupItem, &QQuickPopupItem::implicitHeaderHeightChanged, this, &QQuickDialog::implicitHeaderHeightChanged);
    QObject::disconnect(d->popupItem, &QQuickPopupItem::implicitFooterWidthChanged, this, &QQuickDialog::implicitFooterWidthChanged);
    QObject::disconnect(d->popupItem, &QQuickPopupItem::implicitFooterHeightChanged, this, &QQuickDialog::implicitFooterHeightChanged);
}
 
QString QQuickDialog::title() const
{
    Q_D(const QQuickDialog);
    return d->popupItem->title();
}
 
void QQuickDialog::setTitle(const QString &title)
{
    Q_D(QQuickDialog);
    d->popupItem->setTitle(title);
}
 
QQuickItem *QQuickDialog::header() const
{
    Q_D(const QQuickDialog);
    return d->popupItem->header();
}
 
void QQuickDialog::setHeader(QQuickItem *header)
{
    Q_D(QQuickDialog);
    QQuickItem *oldHeader = d->popupItem->header();
    if (oldHeader == header)
        return;
 
    QQuickControlPrivate::warnIfCustomizationNotSupported(this, header, QStringLiteral("header"));
 
    if (QQuickDialogButtonBox *buttonBox = qobject_cast<QQuickDialogButtonBox *>(oldHeader)) {
        QObjectPrivate::disconnect(buttonBox, &QQuickDialogButtonBox::accepted, d, &QQuickDialogPrivate::handleAccept);
        QObjectPrivate::disconnect(buttonBox, &QQuickDialogButtonBox::rejected, d, &QQuickDialogPrivate::handleReject);
        QObjectPrivate::disconnect(buttonBox, &QQuickDialogButtonBox::clicked, d, &QQuickDialogPrivate::handleClick);
        if (d->buttonBox == buttonBox)
            d->buttonBox = nullptr;
    }
 
    if (QQuickDialogButtonBox *buttonBox = qobject_cast<QQuickDialogButtonBox *>(header)) {
        QObjectPrivate::connect(buttonBox, &QQuickDialogButtonBox::accepted, d, &QQuickDialogPrivate::handleAccept);
        QObjectPrivate::connect(buttonBox, &QQuickDialogButtonBox::rejected, d, &QQuickDialogPrivate::handleReject);
        QObjectPrivate::connect(buttonBox, &QQuickDialogButtonBox::clicked, d, &QQuickDialogPrivate::handleClick);
        d->buttonBox = buttonBox;
        buttonBox->setStandardButtons(d->standardButtons);
    }
 
    d->popupItem->setHeader(header);
}
 
QQuickItem *QQuickDialog::footer() const
{
    Q_D(const QQuickDialog);
    return d->popupItem->footer();
}
 
void QQuickDialog::setFooter(QQuickItem *footer)
{
    Q_D(QQuickDialog);
    QQuickItem *oldFooter = d->popupItem->footer();
    if (oldFooter == footer)
        return;
 
    QQuickControlPrivate::warnIfCustomizationNotSupported(this, footer, QStringLiteral("footer"));
 
    if (QQuickDialogButtonBox *buttonBox = qobject_cast<QQuickDialogButtonBox *>(oldFooter)) {
        QObjectPrivate::disconnect(buttonBox, &QQuickDialogButtonBox::accepted, d, &QQuickDialogPrivate::handleAccept);
        QObjectPrivate::disconnect(buttonBox, &QQuickDialogButtonBox::rejected, d, &QQuickDialogPrivate::handleReject);
        QObjectPrivate::disconnect(buttonBox, &QQuickDialogButtonBox::clicked, d, &QQuickDialogPrivate::handleClick);
        if (d->buttonBox == buttonBox)
            d->buttonBox = nullptr;
    }
    if (QQuickDialogButtonBox *buttonBox = qobject_cast<QQuickDialogButtonBox *>(footer)) {
        QObjectPrivate::connect(buttonBox, &QQuickDialogButtonBox::accepted, d, &QQuickDialogPrivate::handleAccept);
        QObjectPrivate::connect(buttonBox, &QQuickDialogButtonBox::rejected, d, &QQuickDialogPrivate::handleReject);
        QObjectPrivate::connect(buttonBox, &QQuickDialogButtonBox::clicked, d, &QQuickDialogPrivate::handleClick);
        d->buttonBox = buttonBox;
        buttonBox->setStandardButtons(d->standardButtons);
    }
 
    d->popupItem->setFooter(footer);
}
 
QPlatformDialogHelper::StandardButtons QQuickDialog::standardButtons() const
{
    Q_D(const QQuickDialog);
    return d->standardButtons;
}
 
void QQuickDialog::setStandardButtons(QPlatformDialogHelper::StandardButtons buttons)
{
    Q_D(QQuickDialog);
    if (d->standardButtons == buttons)
        return;
 
    d->standardButtons = buttons;
    if (d->buttonBox)
        d->buttonBox->setStandardButtons(buttons);
    emit standardButtonsChanged();
}
 
QQuickAbstractButton *QQuickDialog::standardButton(QPlatformDialogHelper::StandardButton button) const
{
    Q_D(const QQuickDialog);
    if (!d->buttonBox)
        return nullptr;
    return d->buttonBox->standardButton(button);
}
 
int QQuickDialog::result() const
{
    Q_D(const QQuickDialog);
    return d->result;
}
 
void QQuickDialog::setResult(int result)
{
    Q_D(QQuickDialog);
    if (d->result == result)
        return;
 
    d->result = result;
    emit resultChanged();
}
 
qreal QQuickDialog::implicitHeaderWidth() const
{
    Q_D(const QQuickDialog);
    return d->popupItem->implicitHeaderWidth();
}
 
qreal QQuickDialog::implicitHeaderHeight() const
{
    Q_D(const QQuickDialog);
    return d->popupItem->implicitHeaderHeight();
}
 
qreal QQuickDialog::implicitFooterWidth() const
{
    Q_D(const QQuickDialog);
    return d->popupItem->implicitFooterWidth();
}
 
qreal QQuickDialog::implicitFooterHeight() const
{
    Q_D(const QQuickDialog);
    return d->popupItem->implicitFooterHeight();
}
 
void QQuickDialog::accept()
{
    done(Accepted);
}
 
void QQuickDialog::reject()
{
    done(Rejected);
}
 
void QQuickDialog::done(int result)
{
    setResult(result);
 
    if (result == Accepted)
        emit accepted();
    else if (result == Rejected)
        emit rejected();
 
    close();
}
 
#if QT_CONFIG(accessibility)
QAccessible::Role QQuickDialog::accessibleRole() const
{
    return QAccessible::Dialog;
}
 
void QQuickDialog::accessibilityActiveChanged(bool active)
{
    Q_D(QQuickDialog);
    QQuickPopup::accessibilityActiveChanged(active);
 
    if (active)
        maybeSetAccessibleName(d->popupItem->title());
}
#endif
 
QT_END_NAMESPACE
 
#include "moc_qquickdialog_p.cpp"