selectrum: add +irc/selectrum-jump-to-channel

modules/app/irc/autoload/irc.el

@@ -68,8 +68,9 @@ workspace for it."
 argument) is non-nil only show channels in current server."
   (interactive "P")
   (call-interactively
-   (cond ((featurep! :completion ivy)  #'+irc/ivy-jump-to-channel)
+   (cond ((featurep! :completion ivy)       #'+irc/ivy-jump-to-channel)
-         ((user-error "No jump-to-channel backend is enabled. Enable ivy!")))))
+         ((featurep! :completion selectrum) #'+irc/selectrum-jump-to-channel)
+         ((user-error "No jump-to-channel backend is enabled. Enable selectrum or ivy!")))))
 
 ;;;###autoload
 (defun +irc/tracking-next-buffer ()

modules/app/irc/autoload/selectrum.el

@@ -0,0 +1,25 @@
+;;; app/irc/autoload/selectrum.el -*- lexical-binding: t; -*-
+;;;###if (featurep! :completion selectrum)
+
+;;;###autoload
+(defun +irc/selectrum-jump-to-channel (&optional this-server)
+  "Jump to an open channel or server buffer with selectrum. If THIS-SERVER (universal
+argument) is non-nil only show channels in current server."
+  (interactive "P")
+  (if (not (circe-server-buffers))
+      (message "No circe buffers available")
+    (when (and this-server (not circe-server-buffer))
+      (setq this-server nil))
+    (when-let
+        ((buffer (completing-read
+                  (format "Jump to%s: " (if this-server (format " (%s)" (buffer-name circe-server-buffer)) ""))
+                  (cl-loop with servers = (if this-server (list circe-server-buffer) (circe-server-buffers))
+                           with current-buffer = (current-buffer)
+                           for server in servers
+                           collect (buffer-name server)
+                           nconc
+                           (with-current-buffer server
+                             (cl-loop for buf in (circe-server-chat-buffers)
+                                      unless (eq buf current-buffer)
+                                      collect (buffer-name buf)))))))
+      (switch-to-buffer buffer))))

modules/app/irc/config.el

@@ -141,6 +141,10 @@ playback.")
   ;; Fail gracefully if not in a circe buffer
   (global-set-key [remap tracking-next-buffer] #'+irc/tracking-next-buffer)
 
+  (after! marginalia
+    (when (featurep! :completion selectrum)
+      (add-to-list 'marginalia-command-categories '(+irc/selectrum-jump-to-channel . buffer))))
+
   (map! :localleader
         (:map circe-mode-map
           "a" #'tracking-next-buffer

modules/completion/selectrum/TODO.org

@@ -41,5 +41,4 @@ are nontrivial loading order shenanigans happening that make that not straightfo
 *** TODO lookup module
 *** TODO taskrunner module (doesn't seem to be an interface yet)
 *** TODO pass module (creating embark-pass can't be that hard)
-*** TODO ~+irc/ivy-jump-to-channel~ analogue
 *** TODO =SPC s B= (~swiper-all~ analogue)