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customizable scrolling #4429

smsaladi opened this issue Apr 20, 2018 · 3 comments

customizable scrolling #4429

smsaladi opened this issue Apr 20, 2018 · 3 comments


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@smsaladi smsaladi commented Apr 20, 2018

Jupyter lab scrolls past the end of the text document (all the way through a blank screen) by default, as suggested here #813

I understand the preference to view code at eye level, but I actually really dislike this as default. Often, I through to the end of a document to look for a block from the bottom up (when I know it's near the end) and then end up with a complete blank screen.

For reference, Atom doesn't scroll past through the last bit of text.

Is there a way to have a customization setting to change one's own installation? I don't mind the current setting being default, but it would be great to modify my own install. Happy to try contributing a fix (if someone can point me in the right direction)

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@jasongrout jasongrout commented Apr 20, 2018

Here is the line that causes that behavior:

scrollPastEnd: true,

I don't think it is exposed as an editor setting to JupyterLab, though it would make sense to expose it. @ian-r-rose knows a lot about exposing editor settings.

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@ian-r-rose ian-r-rose commented Apr 20, 2018

It should be relatively straightforward to expose this option in the CodeMirror section of the settings editor. I am less sure whether we would want to promote it to the abstract editor settings, but having it in codemirror-extension/schema would make good sense.

I think this is a nice issue for a new contributor. Generally, one would follow the same pattern as the theme and keyMap options in the codemirror-extension package.

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@BobRatzi BobRatzi commented Nov 18, 2018

So I am not all the familiar with the application but learning. The setting to change scrollPastEnd is exposed in the advanced editor/settings tab to be updated by the user.

codemirror/src/editor.ts - line 1122

I dont think it would be hard to add it to settings menu in a similar fashion to "Auto Close Brackets for Text Editor" but I dont know if that is something needed. Or if that will just start to overfill the menu option list.

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6 participants