With some serious trial and error I found a solution which is actually
quite straight forward, as its mostly the case...
So the main thing is to register the event with the main app in my case
maya.
main_win = mhelper.getQMayaMainWindow()
main_win.installEventFilter(drop_filter)
and then in the event filter I need to check which event is being called:
def eventFilter(self, obj, event):
self.obj = obj
if event.type() is event.DragEnter:
self.mouse_button = QtGui.QApplication.mouseButtons()
event.accept()
if event.type() is event.Drop:
library_w = event.source()
if self.mouse_button == QtCore.Qt.LeftButton:
....
and that is all of the magic..
Thanks Marcus and Justin
On Monday, April 4, 2016 at 6:19:58 PM UTC+1, Marcus Ottosson wrote:
>
> Hey Arvid,
>
> It sounds like you’ve got the gist of it. You’ll need to listen for both
> DragEnterEvent, to determine whether or not to accept the event, and
> DropEvent to decide what to do with it in case it gets accepted. Some
> widget will be more difficult to install such an event filter in than
> others; most prominently the main viewport. I’d probably try installing it
> onto the main application first, (PySide.QtGui.qApp) and go from there.
>
> If you haven’t already had a look at this, I’d suggest taking a moment to
> read it through.
>
> - https://doc.qt.io/qt-4.8/dnd.html (Dungeons & Dragons.html?)
>
>
>
> On 4 April 2016 at 16:11, Arvid Schneider <[email protected]
> <javascript:>> wrote:
>
>> Hello, me again with Qt stuff..
>>
>> So I have a QListWidget with lots of thumbnails of textures, hdrs, assets
>> etc etc.
>>
>>
>> <https://lh3.googleusercontent.com/-d2gGZcBFCIg/VwKDxU-gwnI/AAAAAAAAI-A/o8H9nbGyKsoIM9VQQj9WrgQU2nJ0UKiNQ/s1600/Screenshot%2Bfrom%2B2016-04-04%2B16%253A09%253A48.png>
>> I want to be able to drop this thumbnail into any QApplication ( for now
>> Maya) and then I can call certain functions to create image nodes, lights,
>> etc etc.
>> I read about MimeData, and I read about eventFilter and install
>> eventFilter. But I have no idea on how to get it to work, so Maya accepts
>> drops and registers them. So I can call my functions.
>> Any help as always appreciated.
>>
>>
>>
>>
>>
>>
>>
>> Arvid
>>
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>
>
>
> --
> *Marcus Ottosson*
> [email protected] <javascript:>
>
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