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#!/usr/bin/env python
############################################################################
##
## Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
##
## This file is part of the example classes of the Qt Toolkit.
##
## This file may be used under the terms of the GNU General Public
## License version 2.0 as published by the Free Software Foundation
## and appearing in the file LICENSE.GPL included in the packaging of
## this file. Please review the following information to ensure GNU
## General Public Licensing requirements will be met:
## http://www.trolltech.com/products/qt/opensource.html
##
## If you are unsure which license is appropriate for your use, please
## review the following information:
## http://www.trolltech.com/products/qt/licensing.html or contact the
## sales department at sales@trolltech.com.
##
## This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
## WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
##
############################################################################
# This is only needed for Python v2 but is harmless for Python v3.
import sip
sip.setapi('QString', 2)
from PyQt4 import QtCore, QtGui
import draggabletext_rc
class DragLabel(QtGui.QLabel):
def __init__(self, text, parent):
super(DragLabel, self).__init__(text, parent)
self.setAutoFillBackground(True)
self.setFrameShape(QtGui.QFrame.Panel)
self.setFrameShadow(QtGui.QFrame.Raised)
def mousePressEvent(self, event):
hotSpot = event.pos()
mimeData = QtCore.QMimeData()
mimeData.setText(self.text())
mimeData.setData('application/x-hotspot',
'%d %d' % (hotSpot.x(), hotSpot.y()))
pixmap = QtGui.QPixmap(self.size())
self.render(pixmap)
drag = QtGui.QDrag(self)
drag.setMimeData(mimeData)
drag.setPixmap(pixmap)
drag.setHotSpot(hotSpot)
dropAction = drag.exec_(QtCore.Qt.CopyAction | QtCore.Qt.MoveAction, QtCore.Qt.CopyAction)
if dropAction == QtCore.Qt.MoveAction:
self.close()
self.update()
class DragWidget(QtGui.QWidget):
def __init__(self, parent=None):
super(DragWidget, self).__init__(parent)
dictionaryFile = QtCore.QFile(':/dictionary/words.txt')
dictionaryFile.open(QtCore.QIODevice.ReadOnly)
x = 5
y = 5
for word in QtCore.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(QtGui.QPalette.Window, QtCore.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(QtCore.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 = QtCore.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 += QtCore.QPoint(newLabel.width(), 0)
if event.source() in self.children():
event.setDropAction(QtCore.Qt.MoveAction)
event.accept()
else:
event.acceptProposedAction()
else:
event.ignore()
if __name__ == '__main__':
import sys
app = QtGui.QApplication(sys.argv)
window = DragWidget()
window.show()
sys.exit(app.exec_())
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