Draft: vtkXOpenGLRenderWindow: Allow borderless windows not always on top

This allows creating borderless windows that can still be obscured by other windows, via setting a new environment variable:

export PV_WINDOW_BORDERLESS_COVERABLE=1

Errors:

• commit 98391a7a is not allowed because the following files are not formatted according to the 'clang-format' check: Rendering/OpenGL2/vtkXOpenGLRenderWindow.cxx. Post a comment ending in the line Do: reformat to rewrite the MR source branch automatically.

Warnings:

• please consider adding a changelog entry in a file ending with .md in Documentation/release/dev.
• the merge request is marked as a work-in-progress.

The warnings do not need to be fixed, but it is recommended to do so.

Please rewrite commits to fix the errors listed above (adding fixup commits will not resolve the errors) and force-push the branch again to update the merge request.

Do: reformat

This topic has been reformatted and pushed; please fetch from the source repository and reset your local branch to continue with further development on the reformatted commits.

added 1 commit

• 62763bbc - vtkXOpenGLRenderWindow: Allow borderless windows not always on top

Compare with previous version

Warnings:

• please consider adding a changelog entry in a file ending with .md in Documentation/release/dev.
• the merge request is marked as a work-in-progress.

The warnings do not need to be fixed, but it is recommended to do so.

Closing this in favor of !11458 (merged) since this results in taskbar icons that can bring the windows to the front, while that does not.

closed