Hello all,
So I am having a bit of trouble with a part of my project, basically I have
a QTableView showing data for the users files and a QTreeView showing the
file structure.
The app allows you to move files around inside the QTreeView and I need to
allow the user to also drag files from the TableView into a location in the
TreeView also.
During the drag operation on each view I set custom mime data to indicate a
tree item is dragged or a table item is dragged so I know which is which.
During the drag operation in the tree, the default behaviour gives a nice
little box around each item as you hover over them and also a line
inbetween. I would like to replicate this behaviour when you drag table
items over to the treeview.
I have managed to do something similar using a QTreeWidget by using the
*"setCurrentItem(item)"* on the item you are hovering over which is kinda
close. Note that I cant use setCurrentIndex in QTreeView because I need the
indices not to be selected as you are dragging around.
Finding out which index you are hovering over in the QTreeView is not a
problem, what I cant figure out is how to put the little highlight box
around the index as you hover over them. I read a bit on overriding the
paint events but I have never dived into these events before so any help
would be appreciated.
*QTreeWidget example drag move event:*
def dragMoveEvent(self, event):
item = self.itemAt(event.pos())
if item:
self.setCurrentItem(item)
else:
self.clearSelection()
event.accept()
*QTreeView example drag move event:*
def dragMoveEvent(self, event):
mime = event.mimeData()
if mime.hasFormat(cfg.mime_dbview_data):
item_idx = self.indexAt(event.pos())
if item_idx:
self.setCurrentIndex(item_idx)
else:
self.clearSelection()
event.accept()
return
super(Tree_Browser_View, self).dragMoveEvent(event)
event.accept()
// Ben
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