Drag and drop causes null pointer exception #60815
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Reference: blender/blender#60815
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System Information
Operating system:
Graphics card:
Blender Version
Broken:
2.80,
a3261aad13
, 2019-01-04Worked:
2.79,
f4dc9f9d68
, 2018-03-22Short description of error
There is a null pointer exception in the search callback for properties. It happens when the mouse cursor is not moved off the property after a drop event and the selection menu is opened instead.
Exact steps for others to reproduce the error
Open default startup .blend.
Duplicate the camera.
Select Scene tab in Properties window.
Select "Camera.001" as Camera.
Drag "Camera" from Outliner window to the Camera property in Scene tab.
Don't move the mouse. (Moving the mouse away from the button avoids the exception)
Click to open the selection menu.
Possible fix
Setting but->free_search_arg to false during drop will fix the null pointer exception but probably introduces memory that is never freed.
ui_but_drop.diff
Added subscriber: @matc
#62760 was marked as duplicate of this issue
I updated D4250 to current master.
This particular case appears to be fixed since
f57fce3534
.But the problem persists (as of
21f3c95f22
)New steps to reproduce
Click to open the selection menu.
This issue was referenced by
da1350acdc
Changed status from 'Open' to: 'Resolved'
Added subscribers: @Air_Bear, @ideasman42, @JacquesLucke, @mont29