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Summary Keyframes can't be selected with Box Selection in the dopesheet (Grease Pencil context)
Closed, ResolvedPublic


System Information
Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 391.35

Blender Version
Broken: version: 2.80 (sub 71), branch: master (modified), commit date: 2019-05-22 11:15, hash: rBb82afb4b016c
Worked: (optional)

Short description of error
In the Dopesheet, the Summary Keyframes can't be selected in Grease Pencil context using Box selection (B key)

Exact steps for others to reproduce the error

  • Open Blender in 2D Animation Template
  • Draw strokes in different frames (1, 10, 20 for example)
  • Try to select the generated summary keyframes in the Dopesheet using Box selection (B key)

Event Timeline

William Reynish (billreynish) triaged this task as Confirmed, Medium priority.

Well, the root cause is that ANIM_animchannel_keyframes_loop can only work with BezTriple keyframes. I think a proper fix requires somehow generalizing it to support the other types - maybe by adding more callbacks for each type, or some other way. Of course a simpler fix could be to hack it in the selection operator - currently it seems all selection of GP and Mask keyframes is hacks instead of using generic code, so it won't become much worse than it is.