diff options
Diffstat (limited to 'src/plugins/platformthemes/xdgdesktopportal/qxdgdesktopportalfiledialog.cpp')
| -rw-r--r-- | src/plugins/platformthemes/xdgdesktopportal/qxdgdesktopportalfiledialog.cpp | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/src/plugins/platformthemes/xdgdesktopportal/qxdgdesktopportalfiledialog.cpp b/src/plugins/platformthemes/xdgdesktopportal/qxdgdesktopportalfiledialog.cpp new file mode 100644 index 0000000000..cda267d24b --- /dev/null +++ b/src/plugins/platformthemes/xdgdesktopportal/qxdgdesktopportalfiledialog.cpp @@ -0,0 +1,407 @@ +/**************************************************************************** +** +** Copyright (C) 2017-2018 Red Hat, Inc +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qxdgdesktopportalfiledialog_p.h" + +#include <QtCore/qeventloop.h> + +#include <QtDBus/QtDBus> +#include <QDBusConnection> +#include <QDBusMessage> +#include <QDBusPendingCall> +#include <QDBusPendingCallWatcher> +#include <QDBusPendingReply> + +#include <QMetaType> +#include <QMimeType> +#include <QMimeDatabase> +#include <QRandomGenerator> +#include <QWindow> + +QT_BEGIN_NAMESPACE + +QDBusArgument &operator <<(QDBusArgument &arg, const QXdgDesktopPortalFileDialog::FilterCondition &filterCondition) +{ + arg.beginStructure(); + arg << filterCondition.type << filterCondition.pattern; + arg.endStructure(); + return arg; +} + +const QDBusArgument &operator >>(const QDBusArgument &arg, QXdgDesktopPortalFileDialog::FilterCondition &filterCondition) +{ + uint type; + QString filterPattern; + arg.beginStructure(); + arg >> type >> filterPattern; + filterCondition.type = (QXdgDesktopPortalFileDialog::ConditionType)type; + filterCondition.pattern = filterPattern; + arg.endStructure(); + + return arg; +} + +QDBusArgument &operator <<(QDBusArgument &arg, const QXdgDesktopPortalFileDialog::Filter filter) +{ + arg.beginStructure(); + arg << filter.name << filter.filterConditions; + arg.endStructure(); + return arg; +} + +const QDBusArgument &operator >>(const QDBusArgument &arg, QXdgDesktopPortalFileDialog::Filter &filter) +{ + QString name; + QXdgDesktopPortalFileDialog::FilterConditionList filterConditions; + arg.beginStructure(); + arg >> name >> filterConditions; + filter.name = name; + filter.filterConditions = filterConditions; + arg.endStructure(); + + return arg; +} + +class QXdgDesktopPortalFileDialogPrivate +{ +public: + QXdgDesktopPortalFileDialogPrivate(QPlatformFileDialogHelper *nativeFileDialog) + : nativeFileDialog(nativeFileDialog) + { } + + WId winId = 0; + bool modal = false; + bool multipleFiles = false; + bool saveFile = false; + QString acceptLabel; + QString directory; + QString title; + QStringList nameFilters; + QStringList mimeTypesFilters; + QStringList selectedFiles; + QPlatformFileDialogHelper *nativeFileDialog = nullptr; +}; + +QXdgDesktopPortalFileDialog::QXdgDesktopPortalFileDialog(QPlatformFileDialogHelper *nativeFileDialog) + : QPlatformFileDialogHelper() + , d_ptr(new QXdgDesktopPortalFileDialogPrivate(nativeFileDialog)) +{ + Q_D(QXdgDesktopPortalFileDialog); + + if (d->nativeFileDialog) { + connect(d->nativeFileDialog, SIGNAL(accept()), this, SIGNAL(accept())); + connect(d->nativeFileDialog, SIGNAL(reject()), this, SIGNAL(reject())); + } +} + +QXdgDesktopPortalFileDialog::~QXdgDesktopPortalFileDialog() +{ +} + +void QXdgDesktopPortalFileDialog::initializeDialog() +{ + Q_D(QXdgDesktopPortalFileDialog); + + if (d->nativeFileDialog) + d->nativeFileDialog->setOptions(options()); + + if (options()->fileMode() == QFileDialogOptions::ExistingFiles) + d->multipleFiles = true; + + if (options()->isLabelExplicitlySet(QFileDialogOptions::Accept)) + d->acceptLabel = options()->labelText(QFileDialogOptions::Accept); + + if (!options()->windowTitle().isEmpty()) + d->title = options()->windowTitle(); + + if (options()->acceptMode() == QFileDialogOptions::AcceptSave) + d->saveFile = true; + + if (!options()->nameFilters().isEmpty()) + d->nameFilters = options()->nameFilters(); + + if (!options()->mimeTypeFilters().isEmpty()) + d->mimeTypesFilters = options()->mimeTypeFilters(); + + setDirectory(options()->initialDirectory()); +} + +void QXdgDesktopPortalFileDialog::openPortal() +{ + Q_D(const QXdgDesktopPortalFileDialog); + + QDBusMessage message = QDBusMessage::createMethodCall(QLatin1String("org.freedesktop.portal.Desktop"), + QLatin1String("/org/freedesktop/portal/desktop"), + QLatin1String("org.freedesktop.portal.FileChooser"), + d->saveFile ? QLatin1String("SaveFile") : QLatin1String("OpenFile")); + QString parentWindowId = QLatin1String("x11:") + QString::number(d->winId); + + QVariantMap options; + if (!d->acceptLabel.isEmpty()) + options.insert(QLatin1String("accept_label"), d->acceptLabel); + + options.insert(QLatin1String("modal"), d->modal); + options.insert(QLatin1String("multiple"), d->multipleFiles); + + if (d->saveFile) { + if (!d->directory.isEmpty()) + options.insert(QLatin1String("current_folder"), d->directory.toLatin1()); + + if (!d->selectedFiles.isEmpty()) + options.insert(QLatin1String("current_file"), d->selectedFiles.first().toLatin1()); + } + + // Insert filters + qDBusRegisterMetaType<FilterCondition>(); + qDBusRegisterMetaType<FilterConditionList>(); + qDBusRegisterMetaType<Filter>(); + qDBusRegisterMetaType<FilterList>(); + + FilterList filterList; + + if (!d->mimeTypesFilters.isEmpty()) { + for (const QString &mimeTypefilter : d->mimeTypesFilters) { + QMimeDatabase mimeDatabase; + QMimeType mimeType = mimeDatabase.mimeTypeForName(mimeTypefilter); + + // Creates e.g. (1, "image/png") + FilterCondition filterCondition; + filterCondition.type = MimeType; + filterCondition.pattern = mimeTypefilter; + + // Creates e.g. [((1, "image/png"))] + FilterConditionList filterConditions; + filterConditions << filterCondition; + + // Creates e.g. [("Images", [((1, "image/png"))])] + Filter filter; + filter.name = mimeType.comment(); + filter.filterConditions = filterConditions; + + filterList << filter; + } + } else if (!d->nameFilters.isEmpty()) { + for (const QString &filter : d->nameFilters) { + // Do parsing: + // Supported format is ("Images (*.png *.jpg)") + QRegularExpression regexp(QPlatformFileDialogHelper::filterRegExp); + QRegularExpressionMatch match = regexp.match(filter); + if (match.hasMatch()) { + QString userVisibleName = match.captured(1); + QStringList filterStrings = match.captured(2).split(QLatin1Char(' '), QString::SkipEmptyParts); + + FilterConditionList filterConditions; + for (const QString &filterString : filterStrings) { + FilterCondition filterCondition; + filterCondition.type = GlobalPattern; + filterCondition.pattern = filterString; + filterConditions << filterCondition; + } + + Filter filter; + filter.name = userVisibleName; + filter.filterConditions = filterConditions; + + filterList << filter; + } + } + } + + if (!filterList.isEmpty()) + options.insert(QLatin1String("filters"), QVariant::fromValue(filterList)); + + options.insert(QLatin1String("handle_token"), QStringLiteral("qt%1").arg(QRandomGenerator::global()->generate())); + + // TODO choices a(ssa(ss)s) + // List of serialized combo boxes to add to the file chooser. + + message << parentWindowId << d->title << options; + + QDBusPendingCall pendingCall = QDBusConnection::sessionBus().asyncCall(message); + QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(pendingCall); + connect(watcher, &QDBusPendingCallWatcher::finished, this, [this] (QDBusPendingCallWatcher *watcher) { + QDBusPendingReply<QDBusObjectPath> reply = *watcher; + if (reply.isError()) { + Q_EMIT reject(); + } else { + QDBusConnection::sessionBus().connect(nullptr, + reply.value().path(), + QLatin1String("org.freedesktop.portal.Request"), + QLatin1String("Response"), + this, + SLOT(gotResponse(uint,QVariantMap))); + } + }); +} + +bool QXdgDesktopPortalFileDialog::defaultNameFilterDisables() const +{ + return false; +} + +void QXdgDesktopPortalFileDialog::setDirectory(const QUrl &directory) +{ + Q_D(QXdgDesktopPortalFileDialog); + + if (d->nativeFileDialog) { + d->nativeFileDialog->setOptions(options()); + d->nativeFileDialog->setDirectory(directory); + } + + d->directory = directory.path(); +} + +QUrl QXdgDesktopPortalFileDialog::directory() const +{ + Q_D(const QXdgDesktopPortalFileDialog); + + if (d->nativeFileDialog && (options()->fileMode() == QFileDialogOptions::Directory || options()->fileMode() == QFileDialogOptions::DirectoryOnly)) + return d->nativeFileDialog->directory(); + + return d->directory; +} + +void QXdgDesktopPortalFileDialog::selectFile(const QUrl &filename) +{ + Q_D(QXdgDesktopPortalFileDialog); + + if (d->nativeFileDialog) { + d->nativeFileDialog->setOptions(options()); + d->nativeFileDialog->selectFile(filename); + } + + d->selectedFiles << filename.path(); +} + +QList<QUrl> QXdgDesktopPortalFileDialog::selectedFiles() const +{ + Q_D(const QXdgDesktopPortalFileDialog); + + if (d->nativeFileDialog && (options()->fileMode() == QFileDialogOptions::Directory || options()->fileMode() == QFileDialogOptions::DirectoryOnly)) + return d->nativeFileDialog->selectedFiles(); + + QList<QUrl> files; + for (const QString &file : d->selectedFiles) { + files << QUrl(file); + } + return files; +} + +void QXdgDesktopPortalFileDialog::setFilter() +{ + Q_D(QXdgDesktopPortalFileDialog); + + if (d->nativeFileDialog) { + d->nativeFileDialog->setOptions(options()); + d->nativeFileDialog->setFilter(); + } +} + +void QXdgDesktopPortalFileDialog::selectNameFilter(const QString &filter) +{ + Q_D(QXdgDesktopPortalFileDialog); + + if (d->nativeFileDialog) { + d->nativeFileDialog->setOptions(options()); + d->nativeFileDialog->selectNameFilter(filter); + } +} + +QString QXdgDesktopPortalFileDialog::selectedNameFilter() const +{ + // TODO + return QString(); +} + +void QXdgDesktopPortalFileDialog::exec() +{ + Q_D(QXdgDesktopPortalFileDialog); + + if (d->nativeFileDialog && (options()->fileMode() == QFileDialogOptions::Directory || options()->fileMode() == QFileDialogOptions::DirectoryOnly)) { + d->nativeFileDialog->exec(); + return; + } + + // HACK we have to avoid returning until we emit that the dialog was accepted or rejected + QEventLoop loop; + loop.connect(this, SIGNAL(accept()), SLOT(quit())); + loop.connect(this, SIGNAL(reject()), SLOT(quit())); + loop.exec(); +} + +void QXdgDesktopPortalFileDialog::hide() +{ + Q_D(QXdgDesktopPortalFileDialog); + + if (d->nativeFileDialog) + d->nativeFileDialog->hide(); +} + +bool QXdgDesktopPortalFileDialog::show(Qt::WindowFlags windowFlags, Qt::WindowModality windowModality, QWindow *parent) +{ + Q_D(QXdgDesktopPortalFileDialog); + + initializeDialog(); + + d->modal = windowModality != Qt::NonModal; + d->winId = parent ? parent->winId() : 0; + + if (d->nativeFileDialog && (options()->fileMode() == QFileDialogOptions::Directory || options()->fileMode() == QFileDialogOptions::DirectoryOnly)) + return d->nativeFileDialog->show(windowFlags, windowModality, parent); + + openPortal(); + + return true; +} + +void QXdgDesktopPortalFileDialog::gotResponse(uint response, const QVariantMap &results) +{ + Q_D(QXdgDesktopPortalFileDialog); + + if (!response) { + if (results.contains(QLatin1String("uris"))) + d->selectedFiles = results.value(QLatin1String("uris")).toStringList(); + + Q_EMIT accept(); + } else { + Q_EMIT reject(); + } +} + +QT_END_NAMESPACE |