diff options
Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/draganddrop/dragwidget.cpp')
| -rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/draganddrop/dragwidget.cpp | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/draganddrop/dragwidget.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/draganddrop/dragwidget.cpp deleted file mode 100644 index a50581c21..000000000 --- a/sources/pyside2/doc/codesnippets/doc/src/snippets/draganddrop/dragwidget.cpp +++ /dev/null @@ -1,163 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of Qt for Python. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtWidgets> - -#include "dragwidget.h" - -DragWidget::DragWidget(QWidget *parent) - : QFrame(parent) -{ - setFrameStyle(QFrame::StyledPanel | QFrame::Sunken); - dragDropLabel = new QLabel("", this); - dragDropLabel->setAlignment(Qt::AlignHCenter); - - QHBoxLayout *layout = new QHBoxLayout(this); - layout->addStretch(0); - layout->addWidget(dragDropLabel); - layout->addStretch(0); - - setAcceptDrops(true); -} - -// Accept all actions, but deal with them separately later. -//! [0] -void DragWidget::dragEnterEvent(QDragEnterEvent *event) -{ - event->acceptProposedAction(); -} -//! [0] - -//! [1] -void DragWidget::dropEvent(QDropEvent *event) -{ - if (event->source() == this && event->possibleActions() & Qt::MoveAction) - return; -//! [1] - -//! [2] - if (event->proposedAction() == Qt::MoveAction) { - event->acceptProposedAction(); - // Process the data from the event. -//! [2] - emit dragResult(tr("The data was moved here.")); -//! [3] - } else if (event->proposedAction() == Qt::CopyAction) { - event->acceptProposedAction(); - // Process the data from the event. -//! [3] - emit dragResult(tr("The data was copied here.")); -//! [4] - } else { - // Ignore the drop. - return; - } -//! [4] - // End of quote - - emit mimeTypes(event->mimeData()->formats()); - setData(event->mimeData()->formats()[0], - event->mimeData()->data(event->mimeData()->formats()[0])); -//! [5] -} -//! [5] - -//! [6] -void DragWidget::mousePressEvent(QMouseEvent *event) -{ - if (event->button() == Qt::LeftButton) - dragStartPosition = event->pos(); -} -//! [6] - -//! [7] -void DragWidget::mouseMoveEvent(QMouseEvent *event) -{ - if (!(event->buttons() & Qt::LeftButton)) - return; - if ((event->pos() - dragStartPosition).manhattanLength() - < QApplication::startDragDistance()) - return; - - QDrag *drag = new QDrag(this); - QMimeData *mimeData = new QMimeData; - - mimeData->setData(mimeType, data); - drag->setMimeData(mimeData); - - Qt::DropAction dropAction = drag->exec(Qt::CopyAction | Qt::MoveAction); -//! [7] - - switch (dropAction) { - case Qt::CopyAction: - emit dragResult(tr("The text was copied.")); - break; - case Qt::MoveAction: - emit dragResult(tr("The text was moved.")); - break; - default: - emit dragResult(tr("Unknown action.")); - break; - } -//! [8] -} -//! [8] - -void DragWidget::setData(const QString &mimetype, const QByteArray &newData) -{ - mimeType = mimetype; - data = QByteArray(newData); - - dragDropLabel->setText(tr("%1 bytes").arg(data.size())); - - QStringList formats; - formats << mimetype; - emit mimeTypes(formats); -} |