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Diffstat (limited to 'examples/widgets/draganddrop/draggabletext/draggabletext.py')
-rwxr-xr-x | examples/widgets/draganddrop/draggabletext/draggabletext.py | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/examples/widgets/draganddrop/draggabletext/draggabletext.py b/examples/widgets/draganddrop/draggabletext/draggabletext.py new file mode 100755 index 000000000..eaddc57d1 --- /dev/null +++ b/examples/widgets/draganddrop/draggabletext/draggabletext.py @@ -0,0 +1,156 @@ +#!/usr/bin/env python + +############################################################################# +## +## Copyright (C) 2013 Riverbank Computing Limited. +## Copyright (C) 2016 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the PySide examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## 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." +## +## $QT_END_LICENSE$ +## +############################################################################# + +"""PySide2 port of the widgets/draganddrop/draggabletext example from Qt v5.x, originating from PyQt""" + +from PySide2.QtCore import QFile, QIODevice, QMimeData, QPoint, Qt, QTextStream +from PySide2.QtGui import QDrag, QPalette, QPixmap +from PySide2.QtWidgets import QApplication, QFrame, QLabel, QWidget + +import draggabletext_rc + + +class DragLabel(QLabel): + def __init__(self, text, parent): + super(DragLabel, self).__init__(text, parent) + + self.setAutoFillBackground(True) + self.setFrameShape(QFrame.Panel) + self.setFrameShadow(QFrame.Raised) + + def mousePressEvent(self, event): + hotSpot = event.pos() + + mimeData = QMimeData() + mimeData.setText(self.text()) + mimeData.setData('application/x-hotspot', + '%d %d' % (hotSpot.x(), hotSpot.y())) + + pixmap = QPixmap(self.size()) + self.render(pixmap) + + drag = QDrag(self) + drag.setMimeData(mimeData) + drag.setPixmap(pixmap) + drag.setHotSpot(hotSpot) + + dropAction = drag.exec_(Qt.CopyAction | Qt.MoveAction, Qt.CopyAction) + + if dropAction == Qt.MoveAction: + self.close() + self.update() + + +class DragWidget(QWidget): + def __init__(self, parent=None): + super(DragWidget, self).__init__(parent) + + dictionaryFile = QFile(':/dictionary/words.txt') + dictionaryFile.open(QIODevice.ReadOnly) + + x = 5 + y = 5 + + for word in QTextStream(dictionaryFile).readAll().split(): + wordLabel = DragLabel(word, self) + wordLabel.move(x, y) + wordLabel.show() + x += wordLabel.width() + 2 + if x >= 195: + x = 5 + y += wordLabel.height() + 2 + + newPalette = self.palette() + newPalette.setColor(QPalette.Window, Qt.white) + self.setPalette(newPalette) + + self.setAcceptDrops(True) + self.setMinimumSize(400, max(200, y)) + self.setWindowTitle("Draggable Text") + + def dragEnterEvent(self, event): + if event.mimeData().hasText(): + if event.source() in self.children(): + event.setDropAction(Qt.MoveAction) + event.accept() + else: + event.acceptProposedAction() + else: + event.ignore() + + def dropEvent(self, event): + if event.mimeData().hasText(): + mime = event.mimeData() + pieces = mime.text().split() + position = event.pos() + hotSpot = QPoint() + + hotSpotPos = mime.data('application/x-hotspot').split(' ') + if len(hotSpotPos) == 2: + hotSpot.setX(hotSpotPos[0].toInt()[0]) + hotSpot.setY(hotSpotPos[1].toInt()[0]) + + for piece in pieces: + newLabel = DragLabel(piece, self) + newLabel.move(position - hotSpot) + newLabel.show() + + position += QPoint(newLabel.width(), 0) + + if event.source() in self.children(): + event.setDropAction(Qt.MoveAction) + event.accept() + else: + event.acceptProposedAction() + else: + event.ignore() + + +if __name__ == '__main__': + + import sys + + app = QApplication(sys.argv) + window = DragWidget() + window.show() + sys.exit(app.exec_()) |