def mouseMoveEvent(self, event):
dex = self.indexAt(event.pos())
if self.in_drag_drop or not dex.isValid():
QTreeView.mouseMoveEvent(self, event)
return
# Must deal with odd case where the node being dragged is 'virtual',
# created to form a hierarchy. We can't really drag this node, but in
# addition we can't allow drag recognition to notice going over some
# other node and grabbing that one. So we set in_drag_drop to prevent
# this from happening, turning it off when the user lifts the button.
self.in_drag_drop = True
if not self._model.flags(dex) & Qt.ItemIsDragEnabled:
QTreeView.mouseMoveEvent(self, event)
return
md = self._model.mimeData([dex])
pixmap = dex.data(Qt.DecorationRole).toPyObject().pixmap(25, 25)
drag = QDrag(self)
drag.setPixmap(pixmap)
drag.setMimeData(md)
if self._model.is_in_user_category(dex):
drag.exec_(Qt.CopyAction|Qt.MoveAction, Qt.CopyAction)
else:
drag.exec_(Qt.CopyAction)
def mouseMoveEvent(self, event):
dex = self.indexAt(event.pos())
if self.in_drag_drop or not dex.isValid():
QTreeView.mouseMoveEvent(self, event)
return
# Must deal with odd case where the node being dragged is 'virtual',
# created to form a hierarchy. We can't really drag this node, but in
# addition we can't allow drag recognition to notice going over some
# other node and grabbing that one. So we set in_drag_drop to prevent
# this from happening, turning it off when the user lifts the button.
self.in_drag_drop = True
if not self._model.flags(dex) & Qt.ItemIsDragEnabled:
QTreeView.mouseMoveEvent(self, event)
return
md = self._model.mimeData([dex])
pixmap = dex.data(Qt.DecorationRole).toPyObject().pixmap(25, 25)
drag = QDrag(self)
drag.setPixmap(pixmap)
drag.setMimeData(md)
if self._model.is_in_user_category(dex):
drag.exec_(Qt.CopyAction | Qt.MoveAction, Qt.CopyAction)
else:
drag.exec_(Qt.CopyAction)
def mouseMoveEvent(self, event):
if self.drag is not None:
QTreeView.mouseMoveEvent(self, event)
return
if ((event.globalPos() - self.mouse_press_qpoint).manhattanLength() <
QApplication.startDragDistance()):
return
#
# starting a drag
# [logic bug, after bruce change 070507: should not do this
# if we already started dragging out a selection. How can we tell?
# Only by whether the initial press had eventInRect, I think
# (not yet recorded), or at least, the initial move (#e could record here).]
#
index = self.indexAt(event.pos())
sellst = self.selectedList() # bruce 070507 move earlier
DEBUG2 = True
if index.isValid():
thisnode = index.internalPointer().node
#bruce 070507 bring in some code from modelTreeGui.py
alreadySelected = (thisnode in sellst)
item = index.internalPointer()
rect = self.visualRect(index)
if DEBUG2:
print "visualRect coords", rect.left(), rect.right(), rect.top(
), rect.bottom()
qfm = QFontMetrics(QLineEdit(self).font())
rect.setWidth(qfm.width(item.node.name) + _ICONSIZE[0] + 4)
if DEBUG2:
print "visualRect coords, modified:", rect.left(), rect.right(
), rect.top(), rect.bottom()
# looks like icon and text, a bit taller than text (guesses)
eventInRect = rect.contains(event.pos())
if DEBUG2:
print "valid index: eventInRect = %r, item = %r, index = %r, alreadySelected = %r" % \
(eventInRect, item, index, alreadySelected)#######
else:
thisnode = item = None
alreadySelected = eventInRect = False
if not eventInRect:
# nothing to drag, but [bruce 070507] let super handle it (for dragging over nodes to select)
self.drag_is_not_DND = True ### not yet used
QTreeView.mouseMoveEvent(self, event)
return
if thisnode in sellst:
# if dragging something selected, drag along all other selected ones
dragged_nodes = sellst
else:
# if dragging something unselected, ignore any selected ones
dragged_nodes = [thisnode]
qdrag = QDrag(self)
drag_type = 'move' # how do I decide between 'move' and 'copy'?
self.drag = (dragged_nodes, drag_type, qdrag)
mimedata = QMimeData()
mimedata.setText("need a string here for a valid mimetype")
qdrag.setMimeData(mimedata)
display_prefs = {}
pixmap = dragged_nodes[0].node_icon(display_prefs)
qdrag.setPixmap(pixmap)
qdrag.setHotSpot(QPoint(-8, 8))
qdrag.start()
def mouseMoveEvent(self, event):
if self.drag is not None:
QTreeView.mouseMoveEvent(self, event)
return
if ((event.globalPos() - self.mouse_press_qpoint).manhattanLength()
< QApplication.startDragDistance()):
return
#
# starting a drag
# [logic bug, after bruce change 070507: should not do this
# if we already started dragging out a selection. How can we tell?
# Only by whether the initial press had eventInRect, I think
# (not yet recorded), or at least, the initial move (#e could record here).]
#
index = self.indexAt(event.pos())
sellst = self.selectedList() # bruce 070507 move earlier
DEBUG2 = True
if index.isValid():
thisnode = index.internalPointer().node
#bruce 070507 bring in some code from modelTreeGui.py
alreadySelected = (thisnode in sellst)
item = index.internalPointer()
rect = self.visualRect(index)
if DEBUG2:
print "visualRect coords",rect.left(), rect.right(), rect.top(), rect.bottom()
qfm = QFontMetrics(QLineEdit(self).font())
rect.setWidth(qfm.width(item.node.name) + _ICONSIZE[0] + 4)
if DEBUG2:
print "visualRect coords, modified:",rect.left(), rect.right(), rect.top(), rect.bottom()
# looks like icon and text, a bit taller than text (guesses)
eventInRect = rect.contains(event.pos())
if DEBUG2:
print "valid index: eventInRect = %r, item = %r, index = %r, alreadySelected = %r" % \
(eventInRect, item, index, alreadySelected)#######
else:
thisnode = item = None
alreadySelected = eventInRect = False
if not eventInRect:
# nothing to drag, but [bruce 070507] let super handle it (for dragging over nodes to select)
self.drag_is_not_DND = True ### not yet used
QTreeView.mouseMoveEvent(self, event)
return
if thisnode in sellst:
# if dragging something selected, drag along all other selected ones
dragged_nodes = sellst
else:
# if dragging something unselected, ignore any selected ones
dragged_nodes = [ thisnode ]
qdrag = QDrag(self)
drag_type = 'move' # how do I decide between 'move' and 'copy'?
self.drag = (dragged_nodes, drag_type, qdrag)
mimedata = QMimeData()
mimedata.setText("need a string here for a valid mimetype")
qdrag.setMimeData(mimedata)
display_prefs = { }
pixmap = dragged_nodes[0].node_icon(display_prefs)
qdrag.setPixmap(pixmap)
qdrag.setHotSpot(QPoint(-8, 8))
qdrag.start()
