Modifying property with continuous drag jumps to the wrong value #84168

Closed
opened 2020-12-27 06:24:33 +01:00 by Vyacheslav Kobozev · 20 comments

System Information
Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 456.71

Blender Version
Broken: version: 2.92.0 Alpha, branch: master, commit date: 2020-12-26 22:50, hash: 7916c59304
Worked: 2.92.0 Alpha, ranch: master, commit date: 2020-12-22 04:50, hash: 9f34f2b20d

Short description of error

  • Place the mouse cursor over any property, press the left mouse button and drag to the right
  • Let the mouse button go
    The resulting value is not where the mouse was let go.

CD value issue.blend

2020-12-27_08-18-24.mp4

**System Information** Operating system: Windows-7-6.1.7601-SP1 64 Bits Graphics card: GeForce GTX 660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 456.71 **Blender Version** Broken: version: 2.92.0 Alpha, branch: master, commit date: 2020-12-26 22:50, hash: `7916c59304` Worked: 2.92.0 Alpha, ranch: master, commit date: 2020-12-22 04:50, hash: `9f34f2b20d` **Short description of error** - Place the mouse cursor over any property, press the left mouse button and drag to the right - Let the mouse button go The resulting value is not where the mouse was let go. [CD value issue.blend](https://archive.blender.org/developer/F9531679/CD_value_issue.blend) [2020-12-27_08-18-24.mp4](https://archive.blender.org/developer/F9531680/2020-12-27_08-18-24.mp4)

Added subscriber: @Vyach

Added subscriber: @Vyach
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Added subscriber: @lichtwerk

Added subscriber: @lichtwerk
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Changed status from 'Needs Triage' to: 'Needs User Info'

Changed status from 'Needs Triage' to: 'Needs User Info'
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Cannot reproduce here

**System Information**
Operating system: Linux-5.9.11-200.fc33.x86_64-x86_64-with-fedora-33-Thirty_Three 64 Bits
Graphics card: GeForce GTX 970M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 455.45.01
version: 2.92.0 Alpha, branch: master, commit date: 2020-12-26 22:50, hash: `rB7916c593048b`

Just to make sure: is this only happening with a tablet? Or mouse also?

Cannot reproduce here ``` **System Information** Operating system: Linux-5.9.11-200.fc33.x86_64-x86_64-with-fedora-33-Thirty_Three 64 Bits Graphics card: GeForce GTX 970M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 455.45.01 version: 2.92.0 Alpha, branch: master, commit date: 2020-12-26 22:50, hash: `rB7916c593048b` ``` Just to make sure: is this only happening with a tablet? Or mouse also?

@lichtwerk
This happens only with mouse. Continous drag do not work with pen at all. I suppose du to absolute coordinates.
Mouse-mode with pen do not work correctly at all
2020-12-28_04-53-09.mp4

@lichtwerk This happens only with mouse. Continous drag do not work with pen at all. I suppose du to absolute coordinates. Mouse-mode with pen do not work correctly at all [2020-12-28_04-53-09.mp4](https://archive.blender.org/developer/F9532590/2020-12-28_04-53-09.mp4)
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Changed status from 'Needs User Info' to: 'Needs Triage'

Changed status from 'Needs User Info' to: 'Needs Triage'

same issue with nodes. So continous drag broken.
2020-12-28_14-59-58.mp4

same issue with nodes. So continous drag broken. [2020-12-28_14-59-58.mp4](https://archive.blender.org/developer/F9533824/2020-12-28_14-59-58.mp4)
Member

Changed status from 'Needs Triage' to: 'Needs User Info'

Changed status from 'Needs Triage' to: 'Needs User Info'
Member

Also cannot reproduce that issue.

This might be a Windows-only issue, but to be totally on the safe side:
Please try with File → Defaults → Load Factory Settings to see if you still can reproduce this issue.

Also cannot reproduce that issue. This might be a Windows-only issue, but to be totally on the safe side: Please try with File → Defaults → Load Factory Settings to see if you still can reproduce this issue.

Added subscriber: @rjg

Added subscriber: @rjg

I can reproduce the problem, including with factory defaults. I'm not going to confirm this right away, since I think we already had a ticket for this problem, but I have to check.

I can reproduce the problem, including with factory defaults. I'm not going to confirm this right away, since I think we already had a ticket for this problem, but I have to check.

@lichtwerk okay, tested to be sure. Same result.

@lichtwerk okay, tested to be sure. Same result.

This is the same as problem as #75528, #83918 and other tickets mentioned within.

This is the same as problem as #75528, #83918 and other tickets mentioned within.

I have to correct myself, it doesn't seem to be the same as #75528 as this was supposedly broken in 2.83 while the issue in this ticket isn't reproducible in that version.

I have to correct myself, it doesn't seem to be the same as #75528 as this was supposedly broken in 2.83 while the issue in this ticket isn't reproducible in that version.

@rjg with screencast keys it is reproducible with 2.83.9, but I can`t catch bug without it. In 2.92 it appears by itself during work.

@rjg with screencast keys it is reproducible with 2.83.9, but I can`t catch bug without it. In 2.92 it appears by itself during work.

Changed status from 'Needs User Info' to: 'Confirmed'

Changed status from 'Needs User Info' to: 'Confirmed'
Robert Guetzkow changed title from Regression: Draging value with continous drag resets it to zero to Modifying property with continuous drag jumps to the wrong value 2020-12-28 13:50:39 +01:00

@Vyach The underlying cause might have been in Blender for a while, but in one of the recent commits it has become very apparent. This is something for the UI module to investigate further.

@Vyach The underlying cause might have been in Blender for a while, but in one of the recent commits it has become very apparent. This is something for the UI module to investigate further.

Closed as duplicate of #84144

Closed as duplicate of #84144

@rjg got it.
Will wait for fixes. Feel free to call me if I can make more tests.

@rjg got it. Will wait for fixes. Feel free to call me if I can make more tests.

Added subscriber: @AgentSam-2

Added subscriber: @AgentSam-2
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Reference: blender/blender#84168
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