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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 "qquickfiledialogdelegate_p.h"
#include <QtCore/qfileinfo.h>
#include <QtGui/qpa/qplatformtheme.h>
#include <QtQml/QQmlFile>
#include <QtQml/qqmlexpression.h>
#include <QtQuick/private/qquicklistview_p.h>
#include <QtQuickTemplates2/private/qquickitemdelegate_p_p.h>
#include "qquickfiledialogimpl_p.h"
#include "qquickfiledialogimpl_p_p.h"
#include "qquickfolderdialogimpl_p.h"
QT_BEGIN_NAMESPACE
class QQuickFileDialogDelegatePrivate : public QQuickItemDelegatePrivate
{
public:
Q_DECLARE_PUBLIC(QQuickFileDialogDelegate)
void highlightFile();
void chooseFile();
bool acceptKeyClick(Qt::Key key) const override;
QQuickDialog *dialog = nullptr;
QQuickFileDialogImpl *fileDialog = nullptr;
QQuickFolderDialogImpl *folderDialog = nullptr;
QUrl file;
};
void QQuickFileDialogDelegatePrivate::highlightFile()
{
Q_Q(QQuickFileDialogDelegate);
QQuickListViewAttached *attached = static_cast<QQuickListViewAttached*>(
qmlAttachedPropertiesObject<QQuickListView>(q));
if (!attached)
return;
QQmlContext *delegateContext = qmlContext(q);
if (!delegateContext)
return;
bool converted = false;
const int index = q->property("index").toInt(&converted);
if (converted) {
attached->view()->setCurrentIndex(index);
if (fileDialog)
fileDialog->setSelectedFile(file);
else if (folderDialog)
folderDialog->setSelectedFolder(file);
}
}
void QQuickFileDialogDelegatePrivate::chooseFile()
{
const QFileInfo fileInfo(QQmlFile::urlToLocalFileOrQrc(file));
if (fileInfo.isDir()) {
// If it's a directory, navigate to it.
if (fileDialog)
fileDialog->setCurrentFolder(file);
else
folderDialog->setCurrentFolder(file);
} else {
Q_ASSERT(fileDialog);
// Otherwise it's a file, so select it and close the dialog.
fileDialog->setSelectedFile(file);
// Prioritize closing the dialog with QQuickDialogPrivate::handleClick() over QQuickDialog::accept()
const QQuickFileDialogImplAttached *attached = QQuickFileDialogImplPrivate::get(fileDialog)->attachedOrWarn();
if (Q_LIKELY(attached)) {
auto *openButton = attached->buttonBox()->standardButton(QPlatformDialogHelper::Open);
if (Q_LIKELY(openButton)) {
emit openButton->clicked();
return;
}
}
fileDialog->accept();
}
}
bool QQuickFileDialogDelegatePrivate::acceptKeyClick(Qt::Key key) const
{
return key == Qt::Key_Return || key == Qt::Key_Enter;
}
QQuickFileDialogDelegate::QQuickFileDialogDelegate(QQuickItem *parent)
: QQuickItemDelegate(*(new QQuickFileDialogDelegatePrivate), parent)
{
Q_D(QQuickFileDialogDelegate);
// Clicking and tabbing should result in it getting focus,
// as e.g. Ubuntu and Windows both allow tabbing through file dialogs.
setFocusPolicy(Qt::StrongFocus);
setCheckable(true);
QObjectPrivate::connect(this, &QQuickFileDialogDelegate::clicked,
d, &QQuickFileDialogDelegatePrivate::highlightFile);
QObjectPrivate::connect(this, &QQuickFileDialogDelegate::doubleClicked,
d, &QQuickFileDialogDelegatePrivate::chooseFile);
}
QQuickDialog *QQuickFileDialogDelegate::dialog() const
{
Q_D(const QQuickFileDialogDelegate);
return d->dialog;
}
void QQuickFileDialogDelegate::setDialog(QQuickDialog *dialog)
{
Q_D(QQuickFileDialogDelegate);
if (dialog == d->dialog)
return;
d->dialog = dialog;
d->fileDialog = qobject_cast<QQuickFileDialogImpl*>(dialog);
d->folderDialog = qobject_cast<QQuickFolderDialogImpl*>(dialog);
emit dialogChanged();
}
QUrl QQuickFileDialogDelegate::file() const
{
Q_D(const QQuickFileDialogDelegate);
return d->file;
}
void QQuickFileDialogDelegate::setFile(const QUrl &file)
{
Q_D(QQuickFileDialogDelegate);
QUrl adjustedFile = file;
#ifdef Q_OS_WIN32
// Work around QTBUG-99105 (FolderListModel uses lowercase drive letter).
QString path = adjustedFile.path();
const int driveColonIndex = path.indexOf(QLatin1Char(':'));
if (driveColonIndex == 2) {
path.replace(1, 1, path.at(1).toUpper());
adjustedFile.setPath(path);
}
#endif
if (adjustedFile == d->file)
return;
d->file = adjustedFile;
emit fileChanged();
}
void QQuickFileDialogDelegate::keyReleaseEvent(QKeyEvent *event)
{
Q_D(QQuickFileDialogDelegate);
// We need to respond to being triggered by enter being pressed,
// but we can't use event->isAccepted() to check, because events are pre-accepted.
auto connection = QObjectPrivate::connect(this, &QQuickFileDialogDelegate::clicked,
d, &QQuickFileDialogDelegatePrivate::chooseFile);
QQuickItemDelegate::keyReleaseEvent(event);
disconnect(connection);
}
QT_END_NAMESPACE
#include "moc_qquickfiledialogdelegate_p.cpp"
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