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Event has invalid window console warning with closing the User Preferences
Closed, DuplicatePublic

Description

System Information
Operating system and graphics card
Windows 7 64 Bit

Blender Version
Broken: (example: 2.69.7 4b206af, see splash screen)
Worked: (optional)
2.76.4

Short description of error

Every time you close the User Preferences you will get a !event has invalid window warning

Exact steps for others to reproduce the error
Based on a (as simple as possible) attached .blend file with minimum amount of steps

Open Blender. Open User Preferences. Close User Preferences. Open Console. You will find a !event has invalid window warning there.

Details

Type
Bug

Event Timeline

Reiner Prokein (tiles) set Type to Bug.
Reiner Prokein (tiles) created this task.
Reiner Prokein (tiles) raised the priority of this task from to Needs Triage by Developer.

Not happening on Linux here. The warning is printed following a GHOST_ISystem check though (GHOST_ValidWindow), so it's really not unlikely we have different behaviors on different OSes here. Can someone with a Win machine test?

I guess it's one of the cases where we get two events from the OS but for our event handling one of them is sufficient. In that case fix would be as simple as ignoring the unnecessary event.

Julian Eisel (Severin) triaged this task as Confirmed, Low priority.Dec 23 2015, 2:31 PM

Setting to low priority, the warning has no influence at all.