forked from openlp/openlp
61 lines
2.9 KiB
Python
61 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2011 Raoul Snyman #
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# Portions copyright (c) 2008-2011 Tim Bentley, Gerald Britton, Jonathan #
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# Corwin, Michael Gorven, Scott Guerrieri, Matthias Hub, Meinert Jordan, #
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# Armin Köhler, Joshua Millar, Stevan Pettit, Andreas Preikschat, Mattias #
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# Põldaru, Christian Richter, Philip Ridout, Jeffrey Smith, Maikel #
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# Stuivenberg, Martin Thompson, Jon Tibble, Frode Woldsund #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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Extend QListWidget to handle drag and drop functionality
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"""
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from PyQt4 import QtCore, QtGui
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class ListWidgetWithDnD(QtGui.QListWidget):
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"""
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Provide a list widget to store objects and handle drag and drop events
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"""
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def __init__(self, parent=None, name=u''):
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"""
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Initialise the list widget
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"""
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QtGui.QListWidget.__init__(self, parent)
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self.mimeDataText = name
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assert(self.mimeDataText)
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def mouseMoveEvent(self, event):
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"""
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Drag and drop event does not care what data is selected
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as the recipient will use events to request the data move
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just tell it what plugin to call
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"""
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if event.buttons() != QtCore.Qt.LeftButton:
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event.ignore()
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return
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if not self.selectedItems():
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event.ignore()
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return
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drag = QtGui.QDrag(self)
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mimeData = QtCore.QMimeData()
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drag.setMimeData(mimeData)
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mimeData.setText(self.mimeDataText)
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drag.start(QtCore.Qt.CopyAction)
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