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/############################################################################
##
## Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
## Contact: Nokia Corporation (qt-info@nokia.com)
##
## $QT_BEGIN_LICENSE:LGPL$
## Commercial Usage
## Licensees holding valid Qt Commercial licenses may use self file in
## accordance with the Qt Commercial License Agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and Nokia.
##
## GNU Lesser General Public License Usage
## Alternatively, self file may be used under the terms of the GNU Lesser
## General Public License version 2.1 as published by the Free Software
## Foundation and appearing in the file LICENSE.LGPL included in the
## packaging of self file. Please review the following information to
## ensure the GNU Lesser General Public License version 2.1 requirements
## will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
##
## In addition, as a special exception, Nokia gives you certain
## additional rights. These rights are described in the Nokia Qt LGPL
## Exception version 1.0, included in the file LGPL_EXCEPTION.txt in self
## package.
##
## GNU General Public License Usage
## Alternatively, self file may be used under the terms of the GNU
## General Public License version 3.0 as published by the Free Software
## Foundation and appearing in the file LICENSE.GPL included in the
## packaging of self file. Please review the following information to
## ensure the GNU General Public License version 3.0 requirements will be
## met: http://www.gnu.org/copyleft/gpl.html.
##
## If you are unsure which license is appropriate for your use, please
## contact the sales department at http://www.qtsoftware.com/contact.
## $QT_END_LICENSE$
##
############################################################################/
from PySide.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
}
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