Further configure the mode line

I've broken out extra functions into `acdw-modeline', so they don't clutter up
the init.el too much.

1 files changed, 82 insertions, 0 deletions

@@ -0,0 +1,82 @@
+:;;; acdw-modeline.el -*- lexical-binding: t; coding: utf-8-unix -*-
+;;
+;; Author: Case Duckworth <acdw@acdw.net>
+;; Created: Sometime during Covid-19, 2020
+;; Keywords: configuration
+;; URL: https://tildegit.org/acdw/emacs
+;;
+;; This file is NOT part of GNU Emacs.
+;;
+;;; License:
+;;
+;; Everyone is permitted to do whatever with this software, without
+;; limitation.  This software comes without any warranty whatsoever,
+;; but with two pieces of advice:
+;; - Don't hurt yourself.
+;; - Make good choices.
+;;
+;;; Commentary:
+;; `acdw-modeline' is a dumping ground for extra modeline functions, so they
+;; don't clutter up `init.el'.
+;;
+;;; Code:
+
+(require 'simple-modeline)
+(require 'minions)
+
+;; modified from `simple-modeline'
+(defun acdw-modeline/modified ()
+          "Displays a color-coded buffer modification/read-only
+indicator in the mode-line."
+          (if (not (string-match-p "\\*.*\\*" (buffer-name)))
+              (let* ((read-only (and buffer-read-only (buffer-file-name)))
+                     (modified (buffer-modified-p)))
+                (propertize
+                 (if read-only " =" (if modified " +" " -"))
+                 'help-echo (format
+                             (concat "Buffer is %s and %smodified\n"
+                                     "mouse-1: Toggle read-only status.")
+                             (if read-only "read-only" "writable")
+                             (if modified "" "not "))
+                 'local-map (purecopy (simple-modeline-make-mouse-map
+                                       'mouse-1
+                                       (lambda (event)
+                                         (interactive "e")
+                                         (with-selected-window
+                                             (posn-window (event-start event))
+                                           (read-only-mode 'toggle)))))
+                 'mouse-face 'mode-line-highlight))))
+
+;; all me, baby
+(defun acdw-modeline/minions ()
+          "Display a button for `minions-minor-modes-menu'."
+          (concat
+           " "
+           (propertize
+            "&"
+            'help-echo (format
+                        "Minor modes menu\nmouse-1: show menu.")
+            'local-map (purecopy (simple-modeline-make-mouse-map
+                                  'mouse-1
+                                  (lambda (event)
+                                    (interactive "e")
+                                    (with-selected-window (posn-window
+                                                           (event-start event))
+                                      (minions-minor-modes-menu)))))
+            'mouse-face 'mode-line-highlight)))
+
+;; from https://www.gonsie.com/blorg/modeline.html, from Doom
+(defun acdw-modeline/vc-branch ()
+  (let ((backend (vc-backend buffer-file-name)))
+    (substring vc-mode (+ (if (eq backend 'Hg) 2 3) 2))))
+
+;; from gonsie
+(defun acdw-modeline/buffer-name ()
+  (propertize " %b "
+              'face
+              (if (buffer-modified-p)
+                  'font-lock-warning-face
+                'font-lock-type-face)
+              'help-echo (buffer-file-name)))
+
+(provide 'acdw-modeline)