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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 "qquickplatformfolderdialog_p.h"
#include <QtCore/qloggingcategory.h>
#include <QtGui/qwindow.h>
#include <QtQml/qqmlcontext.h>
#include <QtQml/qqmlinfo.h>
#include <QtQuick/qquickwindow.h>
#include <QtQuickTemplates2/private/qquickdialog_p.h>
#include <QtQuickTemplates2/private/qquickpopup_p_p.h>
#include <QtQuickTemplates2/private/qquickpopupanchors_p.h>
#include "qquickfolderdialogimpl_p.h"
QT_BEGIN_NAMESPACE
Q_LOGGING_CATEGORY(lcQuickPlatformFolderDialog, "qt.quick.dialogs.quickplatformfolderdialog")
/*!
\class QQuickPlatformFolderDialog
\internal
An interface that QQuickFolderDialog can use to access the non-native Qt Quick FolderDialog.
Both this and the native implementations are created in QQuickAbstractDialog::create().
*/
QQuickPlatformFolderDialog::QQuickPlatformFolderDialog(QObject *parent)
{
qCDebug(lcQuickPlatformFolderDialog) << "creating non-native Qt Quick FolderDialog 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 QQuickPlatformFolderDialog; can't create non-native FolderDialog implementation";
return;
}
const auto dialogQmlUrl = QUrl(QStringLiteral("qrc:/qt-project.org/imports/QtQuick/Dialogs/quickimpl/qml/FolderDialog.qml"));
QQmlComponent folderDialogComponent(qmlContext->engine(), dialogQmlUrl, parent);
if (!folderDialogComponent.isReady()) {
qmlWarning(parent) << "Failed to load non-native FolderDialog implementation:\n" << folderDialogComponent.errorString();
return;
}
m_dialog = qobject_cast<QQuickFolderDialogImpl*>(folderDialogComponent.create());
if (!m_dialog) {
qmlWarning(parent) << "Failed to create an instance of the non-native FolderDialog:\n" << folderDialogComponent.errorString();
return;
}
// Give it a parent until it's parented to the window in show().
m_dialog->setParent(this);
connect(m_dialog, &QQuickDialog::accepted, this, &QPlatformDialogHelper::accept);
connect(m_dialog, &QQuickDialog::rejected, this, &QPlatformDialogHelper::reject);
connect(m_dialog, &QQuickFolderDialogImpl::selectedFolderChanged, this, &QQuickPlatformFolderDialog::currentChanged);
connect(m_dialog, &QQuickFolderDialogImpl::currentFolderChanged, this, &QQuickPlatformFolderDialog::directoryEntered);
connect(m_dialog, &QQuickFolderDialogImpl::selectedFolderChanged, this, &QQuickPlatformFolderDialog::fileSelected);
// We would do this in QQuickFolderDialogImpl, but we need to ensure that folderChanged()
// is connected to directoryEntered() before setting it to ensure that the QQuickFolderDialog is notified.
if (m_dialog->currentFolder().isEmpty())
m_dialog->setCurrentFolder(QUrl::fromLocalFile(QDir().absolutePath()));
}
bool QQuickPlatformFolderDialog::isValid() const
{
return m_dialog;
}
bool QQuickPlatformFolderDialog::defaultNameFilterDisables() const
{
return false;
}
void QQuickPlatformFolderDialog::setDirectory(const QUrl &directory)
{
if (!m_dialog)
return;
m_dialog->setCurrentFolder(directory);
}
QUrl QQuickPlatformFolderDialog::directory() const
{
if (!m_dialog)
return {};
return m_dialog->currentFolder();
}
void QQuickPlatformFolderDialog::selectFile(const QUrl &file)
{
if (!m_dialog)
return;
m_dialog->setSelectedFolder(file);
}
QList<QUrl> QQuickPlatformFolderDialog::selectedFiles() const
{
// FolderDialog doesn't support multiple selected folders.
return { m_dialog->selectedFolder() };
}
void QQuickPlatformFolderDialog::setFilter()
{
}
void QQuickPlatformFolderDialog::selectNameFilter(const QString &/*filter*/)
{
}
QString QQuickPlatformFolderDialog::selectedNameFilter() const
{
return QStringLiteral("*.*");
}
void QQuickPlatformFolderDialog::exec()
{
qCWarning(lcQuickPlatformFolderDialog) << "exec() is not supported for the Qt Quick FolderDialog fallback";
}
bool QQuickPlatformFolderDialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent)
{
qCDebug(lcQuickPlatformFolderDialog) << "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<QFileDialogOptions> options = QPlatformFileDialogHelper::options();
m_dialog->setTitle(options->windowTitle());
m_dialog->setOptions(options);
m_dialog->setAcceptLabel(options->isLabelExplicitlySet(QFileDialogOptions::Accept)
? options->labelText(QFileDialogOptions::Accept) : QString());
m_dialog->setRejectLabel(options->isLabelExplicitlySet(QFileDialogOptions::Reject)
? options->labelText(QFileDialogOptions::Reject) : QString());
m_dialog->open();
return true;
}
void QQuickPlatformFolderDialog::hide()
{
if (!m_dialog)
return;
m_dialog->close();
}
QQuickFolderDialogImpl *QQuickPlatformFolderDialog::dialog() const
{
return m_dialog;
}
QT_END_NAMESPACE
#include "moc_qquickplatformfolderdialog_p.cpp"
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