Thanks for your answer Justin,
I tried to install the event filter directly on the perspective view panel
using snippet below. Got the same result, key press events captured but not
the drop. I guess that means that the event is processed "higher up"
I will continue to look for a solution, but if anyone have any ideas that
would be great!
Best,
Johan
ptr = MQtUtil.findControl('modelPanel4')
model_panel_4 = wrapInstance(long(ptr), QtWidgets.QWidget)
my_filter = MyEventFilter()
model_panel_4.installEventFilter(my_filter)
On Friday, February 3, 2017 at 11:18:05 PM UTC+1, Justin Israel wrote:
>
> If you search the forum you will see previous questions about adding a
> drag and drop handler to Maya.
>
> https://groups.google.com/d/topic/python_inside_maya/Auiy06xVqLo/discussion
>
> This one in particular shows an approach that works in 2015 for sure, but
> possibly not anymore in 2017 under PySide2. But it may be because of
> changes to Maya and which widgets are handling events. If in the past, the
> viewport never directly handled the drops, then it would make sense to be
> able to catch them on the main window. But if Maya has changed to where the
> event is handled on the viewport or some child widget of the main window,
> then you won't be able to catch it from the main window. It would have to
> be installed on the viewport widget.
>
> Events work by first going through the QApplication, and then getting sent
> directly to the target widget for the event. If the target widget decides
> not to handle it, then it bubbles up to parents, which is why you can catch
> things on the main window like a viewport drag and drop I'm Maya 2015
>
> Here is the qt 4.8 reference about how the event system works:
> http://doc.qt.io/qt-4.8/eventsandfilters.html
>
> Justin
>
>
> On Sat, Feb 4, 2017, 6:06 AM johan Borgström <[email protected]
> <javascript:>> wrote:
>
>> Hi,
>>
>> I am trying to install an event filter on the main maya window to process
>> a drop event. In the snippet below I can get the key press event, but the
>> DragEnter and Drop event never gets called. Instead a function called
>> "performFileDropAction" gets called.
>>
>> How would I do this?
>>
>> Thanks,
>> / J
>>
>> from PySide2 import QtGui, QtCore, QtWidgets
>> from maya import OpenMayaUI as omui
>> from shiboken2 import wrapInstance
>>
>>
>> class MyEventFilter(QtCore.QObject):
>>
>> def eventFilter(self, obj, event):
>>
>> if event.type() is event.KeyPress:
>> print("Ate key press", event.key())
>> event.accept()
>> return True
>>
>> elif event.type() is event.DragEnter:
>> print('DragEnter')
>> event.accept()
>>
>> elif event.type() is event.Drop:
>> print('Drop')
>> event.accept()
>>
>> else:
>> # standard event processing
>> return QtCore.QObject.eventFilter(self, obj, event)
>>
>> main_win = wrapInstance(long(omui.MQtUtil.mainWindow()),
>> QtWidgets.QWidget)
>> my_filter = MyEventFilter()
>> main_win.installEventFilter(my_filter)
>> #main_win.removeEventFilter(my_filter)
>>
>>
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