Add the default mechanism to create and modify modelines

core/cubes/editor.el

@@ -24,6 +24,9 @@
 (require 'server)
 (require 'fpkg)
 (require 'fg42/cube)
+(require 'fg42/utils)
+(require 'fg42/modeline)
+(require 'cubes/modeline)
 
 (defflag font-icons
   "Enable the support for font icones in FG42." t)
@@ -234,10 +237,17 @@
 
   (when-flag server
     (if (not (server-running-p))
+        (when-wm
+         (setq server-name "fg42-wm"))
         (server-start)))
 
   ;; Call the editor related cubes. They will be run only if
   ;; their flag is active otherwise they will be skipped
+  (let ((mline (or (plist-get fg42/editor-cube-params :modeline)
+                   fg42/default-modeline)))
+    (fg42/modeline-cube)
+    (fg42/setup-modeline-format mline))
+
   (fg42/font-cube)
   (fg42/pinentry-cube)
   (fg42/exec-path-cube)

core/cubes/modeline.el

@@ -31,6 +31,10 @@
          :flag smart-mode-line
          :flag-default t)
 
+  (defun fg42/mini-modeline-setter (def)
+    (setq mini-modeline-l-format (plist-get def :long))
+    (setq mini-modeline-r-format (plist-get def :brief)))
+
   (fpkg/use smart-mode-line
     :straight (smart-mode-line :source melpa)
     :defer nil
@@ -40,14 +44,15 @@
       (setq sml/no-confirm-load-theme t)
       (sml/setup)))
 
-
   (fpkg/use mini-modeline
      :straight (mini-modeline :repo "kiennq/emacs-mini-modeline"
                               :host github
                               :type git)
      :after smart-mode-line
      :init
-     (setq mini-modeline-enhance-visual t)
+     (progn
+       (setq mini-modeline-enhance-visual t)
+       (setq fg42/modeline-setter #'fg42/mini-modeline-setter))
      :defer nil
      :config
      (mini-modeline-mode t)))

core/cubes/wm.el

@@ -32,13 +32,6 @@
   "The flag to enable WM mode in FG42.")
 
 
-(defmacro when-wm (&rest body)
-  "Run the BODY only if in wm mode."
-  (if (string= (getenv "FG42_WM") "true")
-      `(progn ,@body)
-    nil))
-
-
 (defcube fg42/wm-cube
   "This cube will setup *FG42* to act as a window manager."
   (:title "Window manager cube"

core/fg42/modeline.el

@@ -0,0 +1,43 @@
+;;; FG42 --- The mighty editor for the emacsians -*- lexical-binding: t; -*-
+;;
+;; Copyright (c) 2010-2022 Sameer Rahmani <lxsameer@gnu.org>
+;;
+;; Author: Sameer Rahmani <lxsameer@gnu.org>
+;; URL: https://gitlab.com/FG42/FG42
+;; Version: 3.0.0
+;;
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+;;
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+;;
+;;; Commentary:
+;;; Code:
+
+(defvar fg42/modeline-setter #'fg42/default-mode-line-setter)
+(defvar fg42/default-modeline '(:brief mode-line-format :long ""))
+
+
+(defun fg42/default-mode-line-setter (_)
+  "Set the modeline definition in X to the `fg42-modeline'."
+  (setq mode-line-format (plist-get fg42/default-modeline :brief)))
+
+
+(defun fg42/setup-modeline-format (definition)
+  "Setup the modeline by calling the setter function and passing the DEFINITION."
+  (funcall fg42/modeline-setter definition))
+
+
+(defmacro defmode-line (name body)
+  `(defvar ,name ,@body))
+
+(provide 'fg42/modeline)
+;;; modeline.el ends here

core/fg42/utils.el

@@ -171,5 +171,12 @@ is non-nil value it means that the function can be called interactively."
      ,docstring ,interactive))
 
 
+(defmacro when-wm (&rest body)
+  "Run the BODY only if in wm mode."
+  (if (string= (getenv "FG42_WM") "true")
+      `(progn ,@body)
+    nil))
+
+
 (provide 'fg42/utils)
 ;;; utils.el ends here