[Bf-animsys] Animation logic

[Erick Blender]

Hi there!

Wanted to ask about Blender animation logic, how graph editor, timeline,
dopesheet and NLA work together?
Reading code files in blender/editor/animation i find many useful code and
i found as well  that in blender/editor/transform/transform_conversion.c
there is basic keyframes move, ...

My question is how graph editor, timeline, dopesheet and NLA talk to each
other for example when moving a keyframe in graph it get updated in the
dopesheet or vise versa. Is there some where in the code that Blender
update dopesheet when action happening in the graph editor?

Thanks in advance :)

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