niels/color_modes

[n-poulsen]

UI Update - Changing between "individual" and "bodypart" keypoint coloring modes

Issues addressed

The color scheme display was never updated when chaning between individual and bodypart labelling.

When refinining machine labels (after extracting outlier frames):

• cannot change between individual/bodypart coloring when refining labels
• cannot add new keypoints

Changes

• create a ColorMode CycleEnum so a single color mode is selected for all points layers
  • add a radio-button selector (just like for annotation mode) to select between bodypart and individual (can still use "F" when a points layer is selected)
  • the color mode for all points layers is updated when it changes
• adds "View shortcuts" and "Start tutorial" buttons at the top of the keypoint controls (see demo)
• have a "keypoints menu" for each points layer, and switch between the menus depending on which layer is active (fixes the bug where keypoints cannot be added to the machine_labels layer)

Below is a short demo of the fixes.

https://github.com/DeepLabCut/napari-deeplabcut/assets/45132115/e15ef815-5f3f-4356-8dd8-7f8c8c8c80c7

Other Bug Fixes

• fix Shortcuts display to have a white background and not collapse on itself
• updating the color scheme reference by deleting all widgets and adding new ones was too slow and could lead to concurrency issues (when switching very quickly between both modes, an error would be thrown as a widget being added was being deleted at the same time, which lead to the error: 'PySide6.QtCore.QObject.eventFilter' called with wrong argument types: PySide6.QtCore.QObject.eventFilter(QWidgetItem, QEvent), Supported signatures: PySide6.QtCore.QObject.eventFilter(PySide6.QtCore.QObject, PySide6.QtCore.QEvent)). Widgets are now updated, with any extra widgets being made invisible and new widgets are added if needed.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 94.23077% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 82.74%. Comparing base (e9b778f) to head (fde07d7).

Files	Patch %	Lines
src/napari_deeplabcut/_widgets.py	93.87%	6 Missing :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #121 +/- ## ========================================== + Coverage 81.87% 82.74% +0.87% ========================================== Files 11 11 Lines 1754 1837 +83 ========================================== + Hits 1436 1520 +84 + Misses 318 317 -1 ```

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