most cursor movement functionality works, but there are lots of weird quirks to iron out

.console

@@ -0,0 +1 @@
+it consoles you

dune

@@ -15,7 +15,11 @@
   zed
   lambda-term
   irmin-unix
+  nottui
   nottui-pretty
+  uuseg.string
+  uutf
+  uucp
   ocaml-compiler-libs.common
   ocaml-compiler-libs.bytecomp
   ocaml-compiler-libs.toplevel))

irc.ml

@@ -244,6 +244,9 @@ module Communicator = struct
   end
 
   module Panel = struct
+    open Panel
+    open Panel.Ui
+
     type viewer =
       { step: string
       ; var: view Lwd.var
@@ -355,13 +358,6 @@ module Communicator = struct
           >>= fun t' -> Lwd.set root t' ; Lwt.return_unit )
       >>= fun watch -> Lwt.return (watch, root)
 
-    open Nottui
-    module P = Nottui_pretty
-
-    let string ?attr text = P.ui (Nottui_widgets.string ?attr text)
-    let ( ^^ ) = P.( ^^ )
-    let ( ^/^ ) a b = P.(a ^^ break 1 ^^ b)
-
     let channelview (store, path) =
       storeview store path
       >>= fun (_watch, root) ->
@@ -382,7 +378,7 @@ module Communicator = struct
                                v'.node ) in
                         Lwd.map sub ~f:(fun sub ->
                             Ui.join_y
-                              (Nottui_widgets.string
+                              (Ui.string
                                  ( String.make indent '>' ^ " "
                                  ^ v'.step ) )
                               sub ) ) in
@@ -433,39 +429,31 @@ module Communicator = struct
         messagelist ch mlist
         >>= fun watch -> update_messagelist (Some watch) () in
       Lwt.async (update_messagelist None) ;
-      let doc =
-        Lwd.map (Lwd.get mlist) ~f:(fun mlist ->
-            List.fold_left
+      Lwt.return
+        (Lwd.map (Lwd.get mlist) ~f:(fun mlist ->
+             scroll
+               (List.fold_left
                   (fun doc ((year, month, day, hour, sec), content) ->
-                F.epr "Communicator.Panel.messagelist ch.content=%s@."
+                    F.epr
+                      "Communicator.Panel.messagelist ch.content=%s@."
                       content ;
                     doc
-                ^^ P.group
-                     ( string
+                    ^/^ Ui.string
                           (F.str "%s.%s.%s.%s.%s" year month day hour
                              sec )
-                     ^^ string " | " ^^ string content )
-                ^^ P.hardline )
-              P.empty mlist ) in
-      Lwt.return
-        (Panel.Nottui.scroll_area (Lwd.map doc ~f:(P.pretty 100)))
+                    ^^ Ui.string " | " ^^ string content )
+                  Ui.empty mlist ) ) )
 
     let commview (store, path) =
       channelview (store, List.rev (List.tl (List.rev path)))
       >>= fun (ch, cv) ->
       messageview ch
       >>= fun mv ->
-      Lwt.return
-        (Nottui_widgets.h_pane (Panel.Nottui.scroll_area cv) mv)
+      Lwt.return (Lwd.map2 cv mv ~f:(fun c m -> join_x c m))
 
-    open Nottui_widgets
-
-    let panel ({store; view} : Tree.t) =
-      let base = Lwd.var Nottui_widgets.empty_lwd in
-      commview (store, view)
-      >>= fun cv ->
-      Lwd.set base cv ;
-      Panel.Nottui.panel (Lwd.join (Lwd.get base)) ()
+    let panel ({store; view} : Tree.t) : (Event.t -> atom Lwt.t) Lwt.t
+        =
+      commview (store, view) >>= fun cv -> Panel.Ui.panel cv
   end
 end
 
@@ -481,8 +469,26 @@ let _ =
       >>= fun comm ->
       Communicator.Irc.Config.make_connection comm "irc.hackint.org"
         6697 "cqcaml"
-      >|= fun () ->
+      >>= fun () ->
       Lwt.async (fun () -> Communicator.Irc.connect comm) ;
       F.epr
         "root_actor := std_actor (Communicator.Panel.panel comm)@." ;
-      root_actor := std_actor (Communicator.Panel.panel comm) )
+      Communicator.Panel.panel comm
+      >|= fun f ->
+      root_actor :=
+        std_actor
+          (Lwt.return
+             Panel.
+               { act=
+                   (fun _ events ->
+                     Lwt_list.fold_left_s
+                       (fun _ ev ->
+                         f ev
+                         >>= fun i ->
+                         Lwt.return (fun s ->
+                             ( s
+                             , ( Gg.Box2.of_pts Gg.V2.zero (snd i)
+                               , fst i ) ) ) )
+                       Display.pane_empty events )
+               ; subpanels= []
+               ; tag= "irc" } ) )

opam-switch

@@ -0,0 +1,361 @@
+opam-version: "2.0"
+compiler: ["ocaml-system.4.13.1"]
+roots: [
+  "bogue.20210917"
+  "findlib_top.v0.11.0"
+  "glfw-ocaml.3.3.1-1"
+  "huffman.0.1.2"
+  "inuit.0.4.1"
+  "irc-client.0.7.0"
+  "irc-client-lwt.0.7.0"
+  "irc-client-tls.0.7.0"
+  "irc-client-unix.0.7.0"
+  "irmin.2.9.0"
+  "irmin-unix.2.9.0"
+  "lambda-term.3.1.0"
+  "lwd.0.1"
+  "lwt_ppx.2.0.3"
+  "merlin.4.4-413"
+  "note.0.0.1"
+  "nottui.0.1"
+  "nottui-lwt.0.1"
+  "nottui-pretty.0.1"
+  "ocaml-manual.4.13.0"
+  "ocaml-system.4.13.1"
+  "ocamlformat.0.20.1"
+  "odig.0.0.7"
+  "odoc.2.0.2"
+  "pp.1.1.2"
+  "pprint.20211129"
+  "tgls.0.8.5"
+  "tsdl.0.9.8"
+  "user-setup.0.7"
+  "wall.0.4.1"
+  "zed.3.1.0"
+]
+installed: [
+  "angstrom.0.15.0"
+  "arp.3.0.0"
+  "asn1-combinators.0.2.6"
+  "astring.0.8.5"
+  "awa.0.0.4"
+  "awa-mirage.0.0.4"
+  "b0.0.0.3"
+  "base.v0.14.2"
+  "base-bigarray.base"
+  "base-bytes.base"
+  "base-threads.base"
+  "base-unix.base"
+  "base64.3.5.0"
+  "bheap.2.0.0"
+  "bigarray-compat.1.0.0"
+  "bigstringaf.0.8.0"
+  "biniou.1.2.1"
+  "bogue.20210917"
+  "bos.0.2.0"
+  "ca-certs.0.2.2"
+  "ca-certs-nss.3.71"
+  "camomile.1.0.2"
+  "carton.0.4.3"
+  "carton-git.0.4.3"
+  "carton-lwt.0.4.3"
+  "cf.0.4"
+  "cf-lwt.0.4"
+  "charInfo_width.1.1.0"
+  "checkseum.0.3.2"
+  "cmdliner.1.0.4"
+  "cohttp.4.0.0"
+  "cohttp-lwt.4.0.0"
+  "cohttp-lwt-unix.4.0.0"
+  "conduit.4.0.2"
+  "conduit-lwt.4.0.2"
+  "conduit-lwt-unix.4.0.2"
+  "conf-cairo.1"
+  "conf-gles2.1"
+  "conf-glfw3.2"
+  "conf-gmp.3"
+  "conf-gmp-powm-sec.3"
+  "conf-libffi.2.0.0"
+  "conf-libX11.1"
+  "conf-m4.1"
+  "conf-pkg-config.2"
+  "conf-sdl2.1"
+  "conf-sdl2-image.1"
+  "conf-sdl2-ttf.1"
+  "cppo.1.6.8"
+  "crunch.3.2.0"
+  "csexp.1.5.1"
+  "cstruct.6.0.1"
+  "cstruct-lwt.6.0.1"
+  "cstruct-sexp.6.0.1"
+  "cstruct-unix.6.0.1"
+  "ctypes.0.20.0"
+  "ctypes-foreign.0.18.0"
+  "decompress.1.4.2"
+  "digestif.1.1.0"
+  "dispatch.0.5.0"
+  "domain-name.0.3.1"
+  "dot-merlin-reader.4.1"
+  "duff.0.4"
+  "dune.2.9.1"
+  "dune-build-info.2.9.1"
+  "dune-configurator.2.9.1"
+  "duration.0.2.0"
+  "easy-format.1.3.2"
+  "either.1.0.0"
+  "emile.1.1"
+  "encore.0.8"
+  "eqaf.0.8"
+  "ethernet.3.0.0"
+  "findlib_top.v0.11.0"
+  "fix.20211125"
+  "fmt.0.9.0"
+  "fpath.0.7.3"
+  "fsevents.0.3.0"
+  "fsevents-lwt.0.3.0"
+  "gg.0.9.3"
+  "git.3.6.0"
+  "git-cohttp.3.6.0"
+  "git-cohttp-unix.3.6.0"
+  "git-unix.3.6.0"
+  "glfw-ocaml.3.3.1-1"
+  "gmap.0.3.0"
+  "graphql.0.13.0"
+  "graphql-cohttp.0.13.0"
+  "graphql-lwt.0.13.0"
+  "graphql_parser.0.13.0"
+  "graphv_core.0.1.1"
+  "graphv_core_lib.0.1.1"
+  "graphv_font.0.1.1"
+  "graphv_font_js.0.1.1"
+  "graphv_gles2.0.1.1"
+  "graphv_gles2_native_impl.0.1.1"
+  "graphv_webgl.0.1.1"
+  "graphv_webgl_impl.0.1.1"
+  "grenier.0.13"
+  "hex.1.4.0"
+  "hkdf.1.0.4"
+  "huffman.0.1.2"
+  "hxd.0.3.1"
+  "index.1.5.0"
+  "inotify.2.3"
+  "integers.0.5.1"
+  "inuit.0.4.1"
+  "ipaddr.5.2.0"
+  "ipaddr-sexp.5.2.0"
+  "irc-client.0.7.0"
+  "irc-client-lwt.0.7.0"
+  "irc-client-tls.0.7.0"
+  "irc-client-unix.0.7.0"
+  "irmin.2.9.0"
+  "irmin-fs.2.9.0"
+  "irmin-git.2.9.0"
+  "irmin-graphql.2.9.0"
+  "irmin-http.2.9.0"
+  "irmin-layers.2.9.0"
+  "irmin-pack.2.9.0"
+  "irmin-unix.2.9.0"
+  "irmin-watcher.0.5.0"
+  "jbuilder.1.0+beta20.2"
+  "js_of_ocaml.3.11.0"
+  "js_of_ocaml-compiler.3.11.0"
+  "js_of_ocaml-ppx.3.11.0"
+  "jsonm.1.0.1"
+  "ke.0.4"
+  "lambda-term.3.1.0"
+  "logs.0.7.0"
+  "lru.0.3.0"
+  "lwd.0.1"
+  "lwt.5.5.0"
+  "lwt-dllist.1.0.1"
+  "lwt_log.1.1.1"
+  "lwt_ppx.2.0.3"
+  "lwt_react.1.1.5"
+  "macaddr.5.2.0"
+  "macaddr-cstruct.5.2.0"
+  "magic-mime.1.2.0"
+  "menhir.20211128"
+  "menhirLib.20211128"
+  "menhirSdk.20211128"
+  "merlin.4.4-413"
+  "metrics.0.3.0"
+  "mew.0.1.0"
+  "mew_vi.0.5.0"
+  "mimic.0.0.4"
+  "mirage-clock.4.0.0"
+  "mirage-clock-unix.4.0.0"
+  "mirage-crypto.0.10.5"
+  "mirage-crypto-ec.0.10.5"
+  "mirage-crypto-pk.0.10.5"
+  "mirage-crypto-rng.0.10.5"
+  "mirage-device.2.0.0"
+  "mirage-flow.3.0.0"
+  "mirage-kv.4.0.0"
+  "mirage-net.4.0.0"
+  "mirage-no-solo5.1"
+  "mirage-no-xen.1"
+  "mirage-profile.0.9.1"
+  "mirage-protocols.8.0.0"
+  "mirage-random.3.0.0"
+  "mirage-stack.4.0.0"
+  "mirage-time.3.0.0"
+  "mmap.1.1.0"
+  "mtime.1.3.0"
+  "note.0.0.1"
+  "nottui.0.1"
+  "nottui-lwt.0.1"
+  "nottui-pretty.0.1"
+  "notty.0.2.2"
+  "num.1.4"
+  "oasis.0.4.11"
+  "ocaml.4.13.1"
+  "ocaml-compiler-libs.v0.12.4"
+  "ocaml-config.2"
+  "ocaml-manual.4.13.0"
+  "ocaml-migrate-parsetree.2.3.0"
+  "ocaml-options-vanilla.1"
+  "ocaml-syntax-shims.1.0.0"
+  "ocaml-system.4.13.1"
+  "ocaml-version.3.4.0"
+  "ocamlbuild.0.14.0"
+  "ocamlfind.1.9.1"
+  "ocamlformat.0.20.1"
+  "ocamlgraph.2.0.0"
+  "ocamlify.0.0.1"
+  "ocamlmod.0.0.9"
+  "ocb-stubblr.0.1.1-1"
+  "ocp-indent.1.8.1"
+  "ocplib-endian.1.2"
+  "odig.0.0.7"
+  "odoc.2.0.2"
+  "odoc-parser.1.0.0"
+  "optint.0.1.0"
+  "parsexp.v0.14.1"
+  "pbkdf.1.2.0"
+  "pecu.0.6"
+  "pp.1.1.2"
+  "pprint.20211129"
+  "ppx_cstruct.6.0.1"
+  "ppx_derivers.1.2.1"
+  "ppx_deriving.5.2.1"
+  "ppx_irmin.2.9.0"
+  "ppx_repr.0.5.0"
+  "ppx_sexp_conv.v0.14.3"
+  "ppxlib.0.24.0"
+  "progress.0.2.1"
+  "psq.0.2.0"
+  "ptime.0.8.6"
+  "randomconv.0.1.3"
+  "re.1.10.3"
+  "react.1.2.1"
+  "repr.0.5.0"
+  "result.1.5"
+  "rresult.0.6.0"
+  "semaphore-compat.1.0.1"
+  "seq.base"
+  "sexplib.v0.14.0"
+  "sexplib0.v0.14.0"
+  "stb_image.0.5"
+  "stb_truetype.0.6"
+  "stdio.v0.14.0"
+  "stdlib-shims.0.3.0"
+  "stringext.1.6.0"
+  "tcpip.7.0.0"
+  "terminal.0.2.1"
+  "terminal_size.0.1.4"
+  "tgls.0.8.5"
+  "tls.0.14.1"
+  "tls-mirage.0.14.1"
+  "topkg.1.0.4"
+  "trie.1.0.0"
+  "tsdl.0.9.8"
+  "tsdl-image.0.3.2"
+  "tsdl-ttf.0.3.2"
+  "tyxml.4.5.0"
+  "uchar.0.0.2"
+  "uri.4.2.0"
+  "uri-sexp.4.2.0"
+  "user-setup.0.7"
+  "uucp.14.0.0"
+  "uuseg.14.0.0"
+  "uutf.1.0.2"
+  "vector.1.0.0"
+  "wall.0.4.1"
+  "webmachine.0.7.0"
+  "x509.0.14.1"
+  "yaml.3.0.0"
+  "yojson.1.7.0"
+  "zarith.1.12"
+  "zed.3.1.0"
+]
+pinned: ["lwd.0.1" "nottui.0.1"]
+package "lwd" {
+  opam-version: "2.0"
+  version: "0.1"
+  synopsis: "Lightweight reactive documents"
+  maintainer: "fred@tarides.com"
+  authors: "Frédéric Bour"
+  license: "MIT"
+  homepage: "https://github.com/let-def/lwd"
+  doc: "https://let-def.github.io/lwd/doc"
+  bug-reports: "https://github.com/let-def/lwd/issues"
+  depends: [
+    "dune" {>= "2.0"}
+    "seq"
+    "ocaml" {>= "4.03"}
+    "qtest" {with-test}
+    "qcheck" {with-test}
+  ]
+  build: [
+    ["dune" "subst"] {pinned}
+    [
+      "dune"
+      "build"
+      "-p"
+      name
+      "-j"
+      jobs
+      "@install"
+      "@runtest" {with-test}
+      "@doc" {with-doc}
+    ]
+  ]
+  dev-repo: "git+https://github.com/let-def/lwd.git"
+  url {
+    src: "git+file:///home/cqc/p/console/ref/lwd#master"
+  }
+}
+package "nottui" {
+  opam-version: "2.0"
+  version: "0.1"
+  synopsis: "UI toolkit for the terminal built on top of Notty and Lwd"
+  maintainer: "fred@tarides.com"
+  authors: "Frédéric Bour"
+  license: "MIT"
+  homepage: "https://github.com/let-def/lwd"
+  doc: "https://let-def.github.io/lwd/doc"
+  bug-reports: "https://github.com/let-def/lwd/issues"
+  depends: [
+    "dune" {>= "2.0"}
+    "lwd"
+    "notty"
+  ]
+  build: [
+    ["dune" "subst"] {pinned}
+    [
+      "dune"
+      "build"
+      "-p"
+      name
+      "-j"
+      jobs
+      "@install"
+      "@runtest" {with-test}
+      "@doc" {with-doc}
+    ]
+  ]
+  dev-repo: "git+https://github.com/let-def/lwd.git"
+  url {
+    src: "git+file:///home/cqc/p/console/ref/lwd#master"
+  }
+}