Red flashing screen around viewport after switching displays on Mac #83262
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Reference: blender/blender#83262
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System Information
Operating system: Mac OS MoJave
Graphics card: Radeon Pro 560X 4 GB
Blender Version
Broken: v2.82a
Worked: N/A
When using blender 3d on a mac laptop, with a secondary monitor plugged in, I often use my HDMI switch to swap to and from my laptop to my PC. When I go to my PC, then back to my laptop, blender has a flashing strobing red area around my viewport. And also I cannot click into the area of blender, since my mouse is off focus. (can't click the actions in the dialog box to quit blender)
Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).
Added subscriber: @1mrlee
Added subscriber: @jenkm
Try a newer version https://www.blender.org/download/.
There have already been fixes for similar issues.
Added subscriber: @mano-wii
Changed status from 'Needs Triage' to: 'Needs User Info'
Blender v2.82a is no longer being maintained.
Please "test with the latest official release from [blender.org ]] and daily build from [ http:*builder.blender.org/ | builder.blender.org ."
I have downloaded and installed the daily build and the error is still happening. Here is screenshot proof. December 3rd, 2020. Can upload video recording if you require it.
Changed status from 'Needs User Info' to: 'Needs Triage'
Added subscriber: @iss
#82788 possibly related report
I can't test it, but it seems that Blender doesn't respond to changes in monitor settings or on/off. And probably when automatically (not manually by the user) the window is moved to another screen. So I would just try, similar to what we do for
windowDidChangeBackingProperties, the same forNSApplicationDidChangeScreenParametersNotificationandNSWindowDidChangeScreenNotification. Or something like that.https://developer.apple.com/documentation/appkit/nsapplicationdidchangescreenparametersnotification?language=objc
https://developer.apple.com/documentation/appkit/nswindowdidchangescreennotification?language=objc
There are very similar reports #73373 #67923 #57069 ... closed but I'm not sure they are resolved though.
Sorry I've been a little delayed on this ticket.
Will it help if i film my screen to show you the errors?
Added subscriber: @OmarEmaraDev
Changed status from 'Needs Triage' to: 'Needs User Info'
@1mrlee Sorry for the late response. Is this still an issue in the latest version of Blender https://builder.blender.org/?
If yes, feel free to film your screen to make reproduction easier.
Just a poke regarding my inquiry above, otherwise we will have to archive this report for now.
Unfortunately I do not have a second monitor anymore, so I cannot reproduce this. Feel free to close.
Changed status from 'Needs User Info' to: 'Archived'