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Blender 2.91 - Custom shortcut keys override the entire Set key interpolation
Confirmed, NormalPublicBUG


System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX TITAN X/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 456.55

Blender Version
Broken: version: 2.91.0 Beta, branch: master, commit date: 2020-10-23 17:33, hash: rB70cc0d7121aa
Worked: -

Short description of error
When the user assigns a custom shortcut to the Set Key interpolation pop up menu, all interpolations
get the same shortcut menu assigned. The expected action is to get an independent shortcut keyboard targeting a specific interpolation method via shortcut key.

Since the bone constraints have different keyboard shortcuts individually assigned, I thought
that key interpolation in the fcurve could have the same individual assignments but it seems not possible
from the right-click->new shortcut->ctrl+shift+L on the "linear interpolation" option menu.

Exact steps for others to reproduce the error
Create a monkey
Open an Fcurve window. Set keyframe on frame #1. Move the monkey (rotate, move) to another place in 3d viewport.
Set another keyframe on frame #10
Select both keyframes, press "T" to get the interpolation pop up menu.
Right click over "LINEAR interpolation", select make new shortcut.
All the shortcuts in "Set Key interpolation" will now use CTRL+SHIFT+L

If the user opens Edit->user prefs->keymap->Graph editor->Graph editor (global)-> and creates a new shortcut using: graph.interpolation_type set to Linear, and set the keyboard shortcut, then it gets correctly created.

Event Timeline

Germano Cavalcante (mano-wii) changed the subtype of this task from "Report" to "Bug".

In fact, this operator's menu could work the same as other operators (eg Select Similar - Shif G), where you can sign a shortcut for each different property.
Having the same shortcut to each different property seems wrong.

So I'm confirming as a bug even though the UI API allows something like this.

yes there are several menus that have this issue and i think it's a bug too

Germano Cavalcante (mano-wii) changed the task status from Needs Triage to Confirmed.Oct 29 2020, 1:06 AM

I think this is a UI issue more than an animation issue.

Hey @Germano Cavalcante (mano-wii) I am not able to reproduce this bug. I think we can safely close it as resolved. Could you check once again?

Here is my system info for reference:
version: 2.92.0 Alpha, branch: master, commit date: 2020-12-04 19:00, hash: 3daf28388b73, type:
build date: 2020-12-04, 19:40:28
platform: Windows

@Himanshi Kalra (calra),
Strange that it was solved for you. Here I can still see the problem in the last master