Y's zero changes in relationship to grid when recording

[pikurasa]

Description

When you use the screen-record feature in MB, the zero for y changes in relation to grid. This is problematic for projects that use grid.

This most likely has to do with the fact that when you record the height of the frame changes (see images).

Expected Behavior

Point zero of Cartesian and middle-c of the staff should match point zero when a user is recording.

Screenshots

With grand staff, before recording:

With grand staff, after recording:

With Cartesian grid, before recording:

With Cartesian grid, after recording:

This is a test that shows that MB thinks the misaligned location is zero (to rule out other possible sources of the issue): cartesian-grid-record-test.webm

How to Reproduce

See above images.

Environment:

• Browser (if applicable): Tested on Chromium Version 120.0.6099.224 (Official Build) built on Debian 11.8, running on Debian 11.7 (64-bit)
• Version of Software/Project: The version on https://musicblocks.sugarlabs.org/ as of 6/23/2024

[walterbender]

I think your diagnosis is correct. The "sharing this tab" message that causes the change in screen size is generated by the browser, not MB, so we'll need to recalculate the screen coordinates both after hitting record and stop recording.