Retrieving information about source document should include the mod (Source vs Visual) when applicable

[daattali]

Related to #265

When trying to work with Rmd/Qmd files, it may be helpful to know whether the script is currently open in Source or in Visual mode.

I do see that there are a few functions that are meant to work with visual mode eg. documentId(), selectionGet() - but these only work for the currently active document, so if I run them from the commandline they don't return something useful.

[GegznaV]

Is there any progress towards solving this issue?

[kevinushey]

Any thoughts on the right fix? Should we add something like documentEditorMode() for querying the editor mode type, or include that as part of the other "context" requests?

[GegznaV]

I think, the output of rstudioapi::getActiveDocumentContext() and friends could have an additional field, e.g., editor_mode with values visual or source or is_visual_mode with values TRUE or FALSE.

[GegznaV]

@kevinushey, is there a way to know which type of Visual Editor's content a cursor is in? E.g., is it in the R code block, in heading 1 or heading 3 block, or a regular text block? I.e., in theory, can this type of information be also retrieved?