aboutsummaryrefslogtreecommitdiffstats
path: root/sources/pyside2/doc/codesnippets/doc/src/snippets/porting4-dropevents/window.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/porting4-dropevents/window.cpp')
-rw-r--r--sources/pyside2/doc/codesnippets/doc/src/snippets/porting4-dropevents/window.cpp134
1 files changed, 134 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/porting4-dropevents/window.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/porting4-dropevents/window.cpp
new file mode 100644
index 000000000..7d5222182
--- /dev/null
+++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/porting4-dropevents/window.cpp
@@ -0,0 +1,134 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of PySide2.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 "window.h"
+
+MyWidget::MyWidget(QWidget *parent)
+ : QWidget(parent)
+{
+ QLabel *textLabel = new QLabel(tr("Data:"), this);
+ dataLabel = new QLabel(this);
+ dataLabel->setFixedSize(200, 200);
+
+ QVBoxLayout *layout = new QVBoxLayout(this);
+ layout->addWidget(textLabel);
+ layout->addWidget(dataLabel);
+
+ setAcceptDrops(true);
+ setWindowTitle(tr("Drop Events"));
+}
+
+//! [0]
+void MyWidget::dragEnterEvent(QDragEnterEvent *event)
+{
+ if (event->mimeData()->hasText() || event->mimeData()->hasImage())
+ event->acceptProposedAction();
+}
+//! [0]
+
+//! [1]
+void MyWidget::dropEvent(QDropEvent *event)
+{
+ if (event->mimeData()->hasText())
+ dataLabel->setText(event->mimeData()->text());
+ else if (event->mimeData()->hasImage()) {
+ QVariant imageData = event->mimeData()->imageData();
+ dataLabel->setPixmap(qvariant_cast<QPixmap>(imageData));
+ }
+ event->acceptProposedAction();
+}
+//! [1]
+
+//! [2]
+void MyWidget::mousePressEvent(QMouseEvent *event)
+{
+//! [2]
+ QString text = dataLabel->text();
+ QPixmap iconPixmap(32, 32);
+ iconPixmap.fill(qRgba(255, 0, 0, 127));
+ QImage image(100, 100, QImage::Format_RGB32);
+ image.fill(qRgb(0, 0, 255));
+
+//! [3]
+ if (event->button() == Qt::LeftButton) {
+
+ QDrag *drag = new QDrag(this);
+ QMimeData *mimeData = new QMimeData;
+
+ mimeData->setText(text);
+ mimeData->setImageData(image);
+ drag->setMimeData(mimeData);
+ drag->setPixmap(iconPixmap);
+
+ Qt::DropAction dropAction = drag->exec();
+//! [3]
+ // ...
+//! [4]
+ event->accept();
+ }
+//! [4]
+ else if (event->button() == Qt::MidButton) {
+
+ QDrag *drag = new QDrag(this);
+ QMimeData *mimeData = new QMimeData;
+
+ mimeData->setImageData(image);
+ drag->setMimeData(mimeData);
+ drag->setPixmap(iconPixmap);
+
+ Qt::DropAction dropAction = drag->exec();
+ // ...
+ event->accept();
+ }
+//! [5]
+}
+//! [5]