Implementation: Modal Key Manipulation Operators #81785
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Reference: blender/blender#81785
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Status:
Implement generic slider
Description
Big picture:
Blender already has the pose sliding tools, that allow you to interactively create breakdowns in Pose mode.
It uses a modal operator and the mouse cursor to interactively set the pose. Using the same interaction, we could add similar functionality to the graph editor to manipulate multiple keyframes.
Use cases:
Design:
Engineer plan:
In order to implement the new operators efficiently there is some cleanup work to do
GRAPH_OT_decimate
in thereGRAPH_OT_decimate
into generic functions that can be shared between all new operatorsThen implement all new operators, with each new operator being a new patch.
Issues
Work plan
Cleanup
Phase 1 (Moving code around. Commits are independent)
D9312 Break up
graph_edit.c
. This file is scraping the 4000 lines and if I recall correctly that is the limit for files defined in the docs.D9313 Create
editors/util/ed_draw.c
as the place in which the generic slider will be locatedPhase 2 (Implement generic slider)
D9314 Implement generic slider as it currently is in Blender
D11878 Change color of slider to make proper use of theme
D11883 Remove auto hiding when using the pose sliding tools
D9361 Change
GRAPH_OT_decimate
to use the generic sliderD12024 Fix hiding bones instantly when hitting 'H'
Phase 3 (Refactoring Code. Dependent on Phase 1 and dependent on patches coming before)
D12486 D12487 D12489 D12490 Extract helper functions from
GRAPH_OT_decimate
so they can be reused for future opsD9326 Implement generic ´invoke´, ´modal´ and ´exec´ for
GRAPH_OT_decimate
D9360 Function to calculate keyframe selection segments in
keyframes_general.c
D13476 Renames
D13477 fix one line
Implement keyframe manipulation operators
Improvements
UI and UX
Once all operators are implemented it is time for user testing. Apart from general feedback I'd like to test multiple ways of calling the tools:
Changed status from 'Needs Triage' to: 'Confirmed'
Added subscriber: @ChrisLend
Added subscriber: @RedMser
New Graph Editor Key Manipulation Operatorsto Implementation: Modal Key Manipulation OperatorsAdded subscriber: @LucianoMunoz
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Work continues in #106639