Describe the request

Allow splitting the editor into multiple panes.

🙂 It is helpful to reference the contents of another file or section of the current file while working.

Describe the current behavior

There is only a single editor pane.

🙁 You must scroll up and down through the file to reference the contents of another section of the current file.
🙁 You must switch back and forth between tabs in order to reference the contents of another file.

Arduino IDE version

692f29f

Operating system

All

Operating system version

All

Additional context

A split editor capability was accidentally introduced via a Theia dependency update, then removed (#940) after it was found to be not fully functional (#552).

This is a common feature in programming editors and IDE's. For example, VS Code has a "Split Editor Right".

Additional Reports

• Split Editor #909 (comment)
• Split Editor #909 (comment)
• https://forum.arduino.cc/t/split-for-ide-main-view/695920
• https://forum.arduino.cc/t/cant-create-a-split-view-edited/1023920
• https://forum.arduino.cc/t/split-and-desk-windows-modes-are-lost/1001269
• https://forum.arduino.cc/t/my-wishlist-and-must-haves/938821
• https://forum.arduino.cc/t/arduino-ide-2-0-x/1062676
• https://forum.arduino.cc/t/holy-maccaroni-many-thanks/1033178
• https://forum.arduino.cc/t/view-ino-cpp-and-h-tabs-simultaneously/1000105/3
• https://forum.arduino.cc/t/switch-between-output-and-serial-monitor-while-uploading/1047727
• https://forum.arduino.cc/t/local-remote-git-sketch-handling/1066737
• https://forum.arduino.cc/t/ide-2-1-1-changed-mouseover-functions-and-intellisense/1147729/10
• https://forum.arduino.cc/t/help-suggestion-for-the-ide/1175604
• https://forum.arduino.cc/t/wishes-for-the-future-ide-updates/1233981
• https://forum.arduino.cc/t/undocking-tabs-new-feature/1331666
• https://forum.arduino.cc/t/how-to-open-a-second-instance-of-arduino-ide-2-on-mac-os/1369299

Related

• https://forum.arduino.cc/t/ide-library-navigation/1374053

Issue checklist

• I searched for previous requests in the issue tracker
• I verified the feature was still missing when using the latest nightly build
• My request contains all necessary details