diff options
author | Oswald Buddenhagen <oswald.buddenhagen@qt.io> | 2017-05-22 16:44:51 +0200 |
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committer | Oswald Buddenhagen <oswald.buddenhagen@qt.io> | 2017-05-22 18:22:49 +0200 |
commit | 427c7147d23fa21c6e8bd08407b1badc48b49c3c (patch) | |
tree | d2742c7ffdfa167bcf6e68f06ce7524bc441102d /sources/pyside2/doc/codesnippets/doc/src/snippets/droparea.cpp | |
parent | 4ec9cfa3c6b895c0cf50227c189cfa542de88b64 (diff) |
move everying into sources/pyside2 (5.9 edition)
in preparation for a subtree merge.
this should not be necessary to do in a separate commit, but git is a
tad stupid about following history correctly without it.
Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/droparea.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/droparea.cpp | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/droparea.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/droparea.cpp new file mode 100644 index 000000000..160064627 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/droparea.cpp @@ -0,0 +1,147 @@ +############################################################################ +## +## 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." +## +## $QT_END_LICENSE$ +## +############################################################################ + +from PySide2.QtGui import * + + +DropArea.DropArea(QWidget *parent) + : QLabel(parent) +{ + setMinimumSize(200, 200) + setFrameStyle(QFrame.Sunken | QFrame::StyledPanel) + setAlignment(Qt.AlignCenter) + setAcceptDrops(True) + setAutoFillBackground(True) + clear() +} + +void DropArea.dragEnterEvent(QDragEnterEvent *event) +{ + setText(tr("<drop content>")) + setBackgroundRole(QPalette.Highlight) + + event.acceptProposedAction() + emit changed(event.mimeData()) +} + +void DropArea.dragMoveEvent(QDragMoveEvent *event) +{ + event.acceptProposedAction() +} + +void DropArea.dropEvent(QDropEvent *event) +{ + const QMimeData *mimeData = event.mimeData() + + if (mimeData.hasImage()) { + setPixmap(qvariant_cast<QPixmap>(mimeData.imageData())) + } else if (mimeData.hasHtml()) { + setText(mimeData.html()) + setTextFormat(Qt.RichText) + } else if (mimeData.hasText()) { + setText(mimeData.text()) + setTextFormat(Qt.PlainText) + } else { + setText(tr("Cannot display data")) + } + + setBackgroundRole(QPalette.Dark) + event.acceptProposedAction() +} + +//![0] +def paste(self): + clipboard = QApplication.clipboard() + mimeData = clipboard.mimeData() + + if mimeData.hasImage(): + setPixmap(mimeData.imageData()) + elif mimeData.hasHtml(): + setText(mimeData.html()) + setTextFormat(Qt.RichText) + elif (mimeData.hasText(): + setText(mimeData.text()) + setTextFormat(Qt.PlainText) + else: + setText(tr("Cannot display data")) +//![0] + + emit changed(mimeData) + setBackgroundRole(QPalette.Dark) + //event.acceptProposedAction() +} + +void DropArea.dragLeaveEvent(QDragLeaveEvent *event) +{ + clear() + event.accept() +} + +void DropArea.clear() +{ + setText(tr("<drop content>")) + setBackgroundRole(QPalette.Dark) + + emit changed() +} + +QPixmap DropArea.extractPixmap(const QByteArray &data, const QString &format) +{ + QList<QByteArray> imageFormats = QImageReader.supportedImageFormats() + QPixmap pixmap + + foreach (QByteArray imageFormat, imageFormats) { + if (format.mid(6) == QString(imageFormat)) { + pixmap.loadFromData(data, imageFormat) + break + } + } + return pixmap +} |