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// Copyright (C) 2021 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 "qquickplatformmessagedialog_p.h"
#include <QtQuickTemplates2/private/qquickpopup_p_p.h>
#include <QtQuickTemplates2/private/qquickpopupanchors_p.h>
#include "qquickmessagedialogimpl_p.h"
QT_BEGIN_NAMESPACE
Q_LOGGING_CATEGORY(lcQuickPlatformMessageDialog, "qt.quick.dialogs.quickplatformmessagedialog")
QQuickPlatformMessageDialog::QQuickPlatformMessageDialog(QObject *parent)
{
qCDebug(lcQuickPlatformMessageDialog)
<< "creating non-native Qt Quick MessageDialog with parent" << parent;
// Set a parent so that we get deleted if we can't be shown for whatever reason.
// Our eventual parent should be the window, though.
setParent(parent);
auto qmlContext = ::qmlContext(parent);
if (!qmlContext) {
qmlWarning(parent) << "No QQmlContext for QQuickPlatformMessageDialog; can't create "
"non-native MessageDialog implementation";
return;
}
const auto dialogQmlUrl = QUrl(QStringLiteral(
"qrc:/qt-project.org/imports/QtQuick/Dialogs/quickimpl/qml/MessageDialog.qml"));
QQmlComponent messageDialogComponent(qmlContext->engine(), dialogQmlUrl, parent);
if (!messageDialogComponent.isReady()) {
qmlWarning(parent) << "Failed to load non-native MessageBox implementation:\n"
<< messageDialogComponent.errorString();
return;
}
m_dialog = qobject_cast<QQuickMessageDialogImpl *>(messageDialogComponent.create());
if (!m_dialog) {
qmlWarning(parent) << "Failed to create an instance of the non-native MessageBox:\n"
<< messageDialogComponent.errorString();
return;
}
m_dialog->setParent(this);
connect(m_dialog, &QQuickDialog::accepted, this, &QPlatformDialogHelper::accept);
connect(m_dialog, &QQuickDialog::rejected, this, &QPlatformDialogHelper::reject);
connect(m_dialog, &QQuickMessageDialogImpl::buttonClicked, this,
&QQuickPlatformMessageDialog::clicked);
}
void QQuickPlatformMessageDialog::exec()
{
qCWarning(lcQuickPlatformMessageDialog)
<< "exec() is not supported for the Qt Quick MessageDialog fallback";
}
bool QQuickPlatformMessageDialog::show(Qt::WindowFlags flags, Qt::WindowModality modality,
QWindow *parent)
{
qCDebug(lcQuickPlatformMessageDialog)
<< "show called with flags" << flags << "modality" << modality << "parent" << parent;
if (!m_dialog)
return false;
if (!parent)
return false;
auto quickWindow = qobject_cast<QQuickWindow *>(parent);
if (!quickWindow) {
qmlInfo(this->parent()) << "Parent window (" << parent
<< ") of non-native dialog is not a QQuickWindow";
return false;
}
m_dialog->setParent(parent);
m_dialog->resetParentItem();
auto popupPrivate = QQuickPopupPrivate::get(m_dialog);
popupPrivate->getAnchors()->setCenterIn(m_dialog->parentItem());
QSharedPointer<QMessageDialogOptions> options = QPlatformMessageDialogHelper::options();
m_dialog->setTitle(options->windowTitle());
m_dialog->setOptions(options);
m_dialog->open();
return true;
}
void QQuickPlatformMessageDialog::hide()
{
if (isValid())
m_dialog->close();
}
bool QQuickPlatformMessageDialog::isValid() const
{
return m_dialog;
}
QQuickMessageDialogImpl *QQuickPlatformMessageDialog::dialog() const
{
return m_dialog;
}
QT_END_NAMESPACE
#include "moc_qquickplatformmessagedialog_p.cpp"
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