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13698 :: Neonim: Pure Nim GUI backend for Neovim using FigDraw!

• elcritch (orginal) [2026-02-07T17:10:30+01:00] view original

  Neonim

  

  Have you ever wanted your Neovim rendered at a glorious 120FPS? Now you can!

  https://github.com/elcritch/neonim

  All in a tiny 1.3M binary (macos, release mode). However, don't be surprised if it crashes. You're living on the cutting edge my dude. PRs welcome!

  

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• lucian (orginal) [2026-02-07T17:32:02+01:00] view original

  installing prompts github usr/pwd for fetching https://github.com/elcritch/windex/. Private repo?

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• elcritch (orginal) [2026-02-07T18:21:14+01:00] view original

  Thanks, I fixed it. Should be good now!

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• elcritch (orginal) [2026-02-07T22:00:31+01:00] view original

  v0.5.10 now supports system font paths thanks to support added in FigDraw. Meaning you can run it outside the project folder now!

  I added binaries. Of course MacOS didn't want to run it, so there's work to be done there. But there's builds for Linux, MacOS, and Windows now.

  It now also just prints a warning for missing character glyphs rather than crashing. I've been able to move development to using Neonim itself.

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• lucian (orginal) [2026-02-07T22:09:18+01:00] view original

  build is still a bit broken for me. I'm on Manjaro and have installed basic Vulkan libs. system info:

  
  $ nim --version
  Nim Compiler Version 2.2.6 [Linux: amd64]
  Compiled at 2025-10-31
  Copyright (c) 2006-2025 by Andreas Rumpf
  
  git hash: ab00c56904e3126ad826bb520d243513a139436a
  active boot switches: -d:release
  
  $ nim build
  Hint: used config file '/home/luci/.asdf/installs/nim/2.2.6/config/nim.cfg' [Conf]
  Hint: used config file '/home/luci/.asdf/installs/nim/2.2.6/config/config.nims' [Conf]
  Hint: used config file '/home/luci/projects/nim/neonim/nim.cfg' [Conf]
  Hint: used config file '/home/luci/projects/nim/neonim/config.nims' [Conf]
  .....................................................................................................................................................................................................................................................................
  FigNode SIZE: 232
  ....................
  /home/luci/projects/nim/neonim/deps/figdraw.elcritch.github.com/src/figdraw/vulkan/vulkan_context.nim(7, 11)
    Error: cannot open file: pkg/vulkan
  stack trace: (most recent call last)
  /home/luci/.asdf/installs/nim/2.2.6/lib/system/nimscript.nim(427, 18)
  /home/luci/projects/nim/neonim/config.nims(6, 7) buildTask
  /home/luci/.asdf/installs/nim/2.2.6/lib/system/nimscript.nim(264, 7) exec
  /home/luci/.asdf/installs/nim/2.2.6/lib/system/nimscript.nim(264, 7) Error: unhandled exception: FAILED: nim c -o:bin/neonim src/neonim [OSError]
  Run

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• lucian (orginal) [2026-02-07T22:29:58+01:00] view original

  P.S. got it building by updating (build from latest sources) the "atlas" manager. Seems like the one deliverd with "asdf" installer is a bit obsolete and needed the latest capabilities for fetching chained dependencies. I got an executable now :-)

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• lucian (orginal) [2026-02-07T22:33:55+01:00] view original

  nah, let's blame asdf and the way it handles its Nim version/release. Got this error run-time. Will halt spending too much time now:

  
  /home/luci/projects/nim/neonim/src/neonim.nim(449) neonim
  /home/luci/projects/nim/neonim/src/neonim.nim(437) runWindyFigdrawGui
  /home/luci/projects/nim/neonim/src/neonim.nim(431) runWindyFigdrawGuiWithTest
  /home/luci/projects/nim/neonim/src/neonim.nim(292) stepGui
  /home/luci/projects/nim/neonim/src/neonim.nim(140) redrawGui
  /home/luci/projects/nim/neonim/deps/figdraw/src/figdraw/figrender.nim(529) renderFrame
  /home/luci/projects/nim/neonim/deps/figdraw/src/figdraw/figrender.nim(509) renderRoot
  /home/luci/projects/nim/neonim/deps/figdraw/src/figdraw/figrender.nim(496) render
  /home/luci/projects/nim/neonim/deps/figdraw/src/figdraw/figrender.nim(467) render
  /home/luci/projects/nim/neonim/deps/figdraw/src/figdraw/figrender.nim(151) renderText
  /home/luci/projects/nim/neonim/deps/figdraw/src/figdraw/vulkan/vulkan_context.nim(2035) drawImage
  /home/luci/projects/nim/neonim/deps/figdraw/src/figdraw/vulkan/vulkan_context.nim(1953) drawUvRect
  /home/luci/.asdf/installs/nim/2.2.6/lib/std/assertions.nim(41) failedAssertImpl
  /home/luci/.asdf/installs/nim/2.2.6/lib/std/assertions.nim(36) raiseAssert
  /home/luci/.asdf/installs/nim/2.2.6/lib/system/fatal.nim(53) sysFatal
  Error: unhandled exception: /home/luci/projects/nim/neonim/deps/figdraw/src/figdraw/vulkan/vulkan_context.nim(1953, 3) `ctx.quadCount < ctx.maxQuads`  [AssertionDefect]
  Run

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