Plot annotation key gesture is not working as expected/designed

[charlesh88]

Summary

Alt-shift dragging in a plot is supposed to enable annotating the points of a plot by allowing a selection marquee. While a plot is in real-time mode and unpaused, alt-shift dragging zooms the view and pauses it. This is not expected and is inconsistent gesturally for the user.

Expected vs Current Behavior

What should be be done instead is this:

• On mousedown, detect alt-shift being pressed.
• Immediately pause the view, display orange border, etc. AND suppress zooming, allowing point selection to happen immediately.
• The user will then manually have to unpause the plot when they've completed annotating; this is fine.

Steps to Reproduce

1. TC in real-time mode, navigate to a plot view.
2. Hold option (alt) and shift, then click and drag in the plot view.
3. The view zooms as if doing a standard zoom, but should instead pause the view without zooming and allow annotation to occur.

Environment

• Open MCT Version: 2.1.6-SNAPSHOT
• Deployment Type: /testathon
• OS:
• Browser:

Impact Check List

• Data loss or misrepresented data?
• Regression? Did this used to work or has it always been broken?
• Is there a workaround available?
• Does this impact a critical component?
• Is this just a visual bug with no functional impact?
• Does this block the execution of e2e tests?
• Does this have an impact on Performance?

Additional Information

[unlikelyzero]

@scottbell it would be good to fix this when writing the e2e tests

[shefalijoshi]

Possibly a dup of #6207

[unlikelyzero]

Testing notes

• TC in real-time mode, navigate to a plot view.
• Hold option (alt) and shift, then click and drag in the plot view.
• The view zooms as if doing a standard zoom, but should instead pause the view without zooming and allow annotation to occur.

[jvigliotta]

Verified Fixed - Testathon 3/9/23

Plot was paused, no zooming and I was able to add an annotation.