diff --git a/src/utils/dragqueen.cpp b/src/utils/dragqueen.cpp index 9947abc0d..de68783b7 100644 --- a/src/utils/dragqueen.cpp +++ b/src/utils/dragqueen.cpp @@ -1,233 +1,225 @@ /* -*- mode: c++; c-basic-offset:4 -*- utils/dragqueen.cpp This file is part of Kleopatra, the KDE keymanager Copyright (c) 2007 Klarälvdalens Datakonsult AB Kleopatra 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. Kleopatra 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 In addition, as a special exception, the copyright holders give permission to link the code of this program with any edition of the Qt library by Trolltech AS, Norway (or with modified versions of Qt that use the same license as Qt), and distribute linked combinations including the two. You must obey the GNU General Public License in all respects for all of the code used other than Qt. If you modify this file, you may extend this exception to your version of the file, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ #include #include "dragqueen.h" #include #include #include #include #include #include #include #include using namespace Kleo; namespace { class MimeDataProxy : public QMimeData { Q_OBJECT public: explicit MimeDataProxy(QMimeData *source) : QMimeData(), m_source(source) { } QStringList formats() const override { if (m_source) { return m_source->formats(); } else { return QStringList(); } } bool hasFormat(const QString &format) const override { return m_source && m_source->hasFormat(format); } protected: QVariant retrieveData(const QString &format, QVariant::Type type) const override { if (!m_source) { return QVariant(); } // Doesn't work, is protected: // return m_source->retrieveData( format, type ); switch (type) { case QVariant::String: if (format == QLatin1String("text/plain")) { return m_source->text(); } if (format == QLatin1String("text/html")) { return m_source->html(); } break; case QVariant::Color: if (format == QLatin1String("application/x-color")) { return m_source->colorData(); } break; case QVariant::Image: if (format == QLatin1String("application/x-qt-image")) { return m_source->imageData(); } break; case QVariant::List: case QVariant::Url: if (format == QLatin1String("text/uri-list")) { const QList urls = m_source->urls(); if (urls.size() == 1) { return urls.front(); } QList result; std::copy(urls.begin(), urls.end(), std::back_inserter(result)); return result; } break; default: break; } QVariant v = m_source->data(format); v.convert(type); return v; } private: QPointer m_source; }; } DragQueen::DragQueen(QWidget *p, Qt::WindowFlags f) : QLabel(p, f), m_data(), m_dragStartPosition() { } DragQueen::DragQueen(const QString &t, QWidget *p, Qt::WindowFlags f) : QLabel(t, p, f), m_data(), m_dragStartPosition() { } DragQueen::~DragQueen() { delete m_data; } void DragQueen::setUrl(const QString &url) { QMimeData *data = new QMimeData; QList urls; urls.push_back(QUrl(url)); data->setUrls(urls); setMimeData(data); } QString DragQueen::url() const { if (!m_data || !m_data->hasUrls()) { return QString(); } const QList urls = m_data->urls(); if (urls.empty()) { return QString(); } return urls.front().toString(); } void DragQueen::setMimeData(QMimeData *data) { if (data == m_data) { return; } delete m_data; m_data = data; } QMimeData *DragQueen::mimeData() const { return m_data; } void DragQueen::mousePressEvent(QMouseEvent *e) { #ifndef QT_NO_DRAGANDDROP if (m_data && e->button() == Qt::LeftButton) { m_dragStartPosition = e->pos(); } #endif QLabel::mousePressEvent(e); } static QPoint calculate_hot_spot(const QPoint &mouse, const QSize &pix, const QLabel *label) { const Qt::Alignment align = label->alignment(); const int margin = label->margin(); const QRect cr = label->contentsRect().adjusted(margin, margin, -margin, -margin); const QRect rect = QStyle::alignedRect(QApplication::layoutDirection(), align, pix, cr); return mouse - rect.topLeft(); } void DragQueen::mouseMoveEvent(QMouseEvent *e) { #ifndef QT_NO_DRAGANDDROP if (m_data && (e->buttons() & Qt::LeftButton) && (m_dragStartPosition - e->pos()).manhattanLength() > QApplication::startDragDistance()) { QDrag *drag = new QDrag(this); -#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0) if (const QPixmap *const pix = pixmap()) { drag->setPixmap(*pix); drag->setHotSpot(calculate_hot_spot(e->pos(), pix->size(), this)); } -#else - const QPixmap pix = pixmap(); - if (!pix.isNull()) { - drag->setPixmap(pix); - drag->setHotSpot(calculate_hot_spot(e->pos(), pix.size(), this)); - } -#endif drag->setMimeData(new MimeDataProxy(m_data)); drag->exec(); } else { #endif QLabel::mouseMoveEvent(e); #ifndef QT_NO_DRAGANDDROP } #endif } #include "dragqueen.moc"