-/***************************************************************************
- * Copyright (C) 2007 by Peter Penz <peter.penz@gmx.at> *
- * Copyright (C) 2007 by David Faure <faure@kde.org> *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
- ***************************************************************************/
+/*
+ * SPDX-FileCopyrightText: 2007-2011 Peter Penz <peter.penz19@gmail.com>
+ * SPDX-FileCopyrightText: 2007 David Faure <faure@kde.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
#include "draganddrophelper.h"
-#include <kdirmodel.h>
-#include <kfileitem.h>
-#include <kicon.h>
-#include <klocale.h>
-#include <konq_operations.h>
+#include <KIO/DropJob>
+#include <KJobWidgets>
-#include "views/dolphiniconsview.h"
-#include "views/dolphinviewcontroller.h"
+#include <QDBusConnection>
+#include <QDBusMessage>
+#include <QDropEvent>
+#include <QMimeData>
-#include <QAbstractItemView>
-#include <QAbstractProxyModel>
-#include <QtDBus>
-#include <QDrag>
-#include <QPainter>
+QHash<QUrl, bool> DragAndDropHelper::m_urlListMatchesUrlCache;
-class DragAndDropHelperSingleton
+bool DragAndDropHelper::urlListMatchesUrl(const QList<QUrl> &urls, const QUrl &destUrl)
{
-public:
- DragAndDropHelper instance;
-};
-K_GLOBAL_STATIC(DragAndDropHelperSingleton, s_dragAndDropHelper)
+ auto iteratorResult = m_urlListMatchesUrlCache.constFind(destUrl);
+ if (iteratorResult != m_urlListMatchesUrlCache.constEnd()) {
+ return *iteratorResult;
+ }
-DragAndDropHelper& DragAndDropHelper::instance()
-{
- return s_dragAndDropHelper->instance;
+ const bool destUrlMatches = std::find_if(urls.constBegin(),
+ urls.constEnd(),
+ [destUrl](const QUrl &url) {
+ return url.matches(destUrl, QUrl::StripTrailingSlash);
+ })
+ != urls.constEnd();
+
+ return *m_urlListMatchesUrlCache.insert(destUrl, destUrlMatches);
}
-void DragAndDropHelper::startDrag(QAbstractItemView* itemView,
- Qt::DropActions supportedActions,
- DolphinViewController* dolphinViewController)
+KIO::DropJob *DragAndDropHelper::dropUrls(const QUrl &destUrl, QDropEvent *event, QWidget *window)
{
- // Do not start a new drag until the previous one has been finished.
- // This is a (possibly temporary) fix for bug #187884.
- static bool isDragging = false;
- if (isDragging) {
- return;
- }
- isDragging = true;
-
- const QModelIndexList indexes = itemView->selectionModel()->selectedIndexes();
- if (!indexes.isEmpty()) {
- QMimeData *data = itemView->model()->mimeData(indexes);
- if (data == 0) {
- return;
+ const QMimeData *mimeData = event->mimeData();
+ if (isArkDndMimeType(mimeData)) {
+ const QString remoteDBusClient = QString::fromUtf8(mimeData->data(arkDndServiceMimeType()));
+ const QString remoteDBusPath = QString::fromUtf8(mimeData->data(arkDndPathMimeType()));
+
+ QDBusMessage message = QDBusMessage::createMethodCall(remoteDBusClient,
+ remoteDBusPath,
+ QStringLiteral("org.kde.ark.DndExtract"),
+ QStringLiteral("extractSelectedFilesTo"));
+ message.setArguments({destUrl.toDisplayString(QUrl::PreferLocalFile)});
+ QDBusConnection::sessionBus().call(message);
+ } else {
+ if (urlListMatchesUrl(event->mimeData()->urls(), destUrl)) {
+ return nullptr;
}
- if (dolphinViewController != 0) {
- dolphinViewController->requestToolTipHiding();
+ // TODO: remove this check once Qt is fixed so that it doesn't emit a QDropEvent on Wayland
+ // when we called QDragMoveEvent::ignore()
+ // https://codereview.qt-project.org/c/qt/qtwayland/+/541750
+ KFileItem item(destUrl);
+ // KFileItem(QUrl) only stat local URLs, so we always allow dropping on non-local URLs
+ if (!item.isLocalFile() || supportsDropping(item)) {
+ // Drop into a directory or a desktop-file
+ KIO::DropJob *job = KIO::drop(event, destUrl);
+ KJobWidgets::setWindow(job, window);
+ return job;
}
-
- QDrag* drag = new QDrag(itemView);
- drag->setPixmap(createDragPixmap(itemView));
- drag->setMimeData(data);
-
- m_dragSource = itemView;
- drag->exec(supportedActions, Qt::IgnoreAction);
- m_dragSource = 0;
}
- isDragging = false;
+
+ return nullptr;
}
-bool DragAndDropHelper::isDragSource(QAbstractItemView* itemView) const
+bool DragAndDropHelper::supportsDropping(const KFileItem &destItem)
{
- return (m_dragSource != 0) && (m_dragSource == itemView);
+ return (destItem.isDir() && destItem.isWritable()) || destItem.isDesktopFile();
}
-void DragAndDropHelper::dropUrls(const KFileItem& destItem,
- const KUrl& destPath,
- QDropEvent* event,
- QWidget* widget)
+void DragAndDropHelper::updateDropAction(QDropEvent *event, const QUrl &destUrl)
{
- const bool dropToItem = !destItem.isNull() && (destItem.isDir() || destItem.isDesktopFile());
- const KUrl destination = dropToItem ? destItem.url() : destPath;
-
- const QMimeData* mimeData = event->mimeData();
- if (mimeData->hasFormat("application/x-kde-dndextract")) {
- QString remoteDBusClient = mimeData->data("application/x-kde-dndextract");
- QDBusMessage message = QDBusMessage::createMethodCall(remoteDBusClient, "/DndExtract",
- "org.kde.DndExtract", "extractSelectedFilesTo");
- message.setArguments(QVariantList() << destination.path());
- QDBusConnection::sessionBus().call(message);
+ if (urlListMatchesUrl(event->mimeData()->urls(), destUrl)) {
+ event->setDropAction(Qt::IgnoreAction);
+ event->ignore();
+ }
+ KFileItem item(destUrl);
+ if (!item.isLocalFile() || supportsDropping(item)) {
+ event->setDropAction(event->proposedAction());
+ event->accept();
} else {
- const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
- const int urlsCount = urls.count();
- if ((urlsCount == 1) && (urls.first() == destination)) {
- emit errorMessage(i18nc("@info:status", "A folder cannot be dropped into itself"));
- } else if (dropToItem) {
- KonqOperations::doDrop(destItem, destination, event, widget);
- } else {
- KonqOperations::doDrop(KFileItem(), destination, event, widget);
- }
+ event->setDropAction(Qt::IgnoreAction);
+ event->ignore();
}
}
-DragAndDropHelper::DragAndDropHelper()
- : m_dragSource(0)
+void DragAndDropHelper::clearUrlListMatchesUrlCache()
{
+ DragAndDropHelper::m_urlListMatchesUrlCache.clear();
}
-QPixmap DragAndDropHelper::createDragPixmap(QAbstractItemView* itemView) const
+bool DragAndDropHelper::isArkDndMimeType(const QMimeData *mimeData)
{
- const QModelIndexList selectedIndexes = itemView->selectionModel()->selectedIndexes();
- Q_ASSERT(!selectedIndexes.isEmpty());
-
- QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(itemView->model());
- KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
-
- const int itemCount = selectedIndexes.count();
-
- // If more than one item is dragged, align the items inside a
- // rectangular grid. The maximum grid size is limited to 5 x 5 items.
- int xCount = 3;
- int size = KIconLoader::SizeMedium;
- if (itemCount > 16) {
- xCount = 5;
- size = KIconLoader::SizeSmall;
- } else if (itemCount > 9) {
- xCount = 4;
- size = KIconLoader::SizeSmallMedium;
- }
-
- if (itemCount < xCount) {
- xCount = itemCount;
- }
-
- int yCount = itemCount / xCount;
- if (itemCount % xCount != 0) {
- ++yCount;
- }
- if (yCount > xCount) {
- yCount = xCount;
- }
-
- // Draw the selected items into the grid cells
- QPixmap dragPixmap(xCount * size + xCount - 1, yCount * size + yCount - 1);
- dragPixmap.fill(Qt::transparent);
-
- QPainter painter(&dragPixmap);
- int x = 0;
- int y = 0;
- foreach (const QModelIndex& selectedIndex, selectedIndexes) {
- const QModelIndex index = proxyModel->mapToSource(selectedIndex);
- const KFileItem item = dirModel->itemForIndex(index);
- const QPixmap pixmap = item.pixmap(size, size);
- painter.drawPixmap(x, y, pixmap);
-
- x += size + 1;
- if (x >= dragPixmap.width()) {
- x = 0;
- y += size + 1;
- }
- if (y >= dragPixmap.height()) {
- break;
- }
- }
-
- return dragPixmap;
+ return mimeData->hasFormat(arkDndServiceMimeType()) && mimeData->hasFormat(arkDndPathMimeType());
}
-
-#include "draganddrophelper.moc"
projects / dolphin.git / blobdiff