emacs.d/my-mode-line.el

   1 ;;; my-mode-line.el --- my mode line based on powerline  -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2017  Peng Li
   4
   5 ;; Author: Peng Li <seudut@gmail.com>
   6 ;; Keywords:
   7
   8 ;; This program is free software; you can redistribute it and/or modify
   9 ;; it under the terms of the GNU General Public License as published by
  10 ;; the Free Software Foundation, either version 3 of the License, or
  11 ;; (at your option) any later version.
  12
  13 ;; This program is distributed in the hope that it will be useful,
  14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;; GNU General Public License for more details.
  17
  18 ;; You should have received a copy of the GNU General Public License
  19 ;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 ;;; Commentary:
  22
  23 ;; test
  24
  25 ;;; Code:
  26
  27 ;; A windows may have six kinds different mode-line
  28 ;; type = 1.
  29 ;;   -----------------------------
  30 ;;   |>>>         O           <<<|
  31 ;;   -----------------------------
  32
  33 (defun my-below-winow-has-effect-window ()
  34   "Return true when its below has no active window or
  35 its below window is minibuffer window. "
  36   (let ((window (window-in-direction 'below nil nil 1)))
  37     (and window
  38          (not (window-minibuffer-p window)))))
  39
  40 (defun my-get-window-type ()
  41   "According to the window layout, separate the windows as six types.
  42 Each type will have different mode line. This function return the defined
  43 window type."
  44   (cond ((and (not (window-in-direction 'right nil nil -1))
  45               (not (window-in-direction 'left nil nil -1))
  46               (not (my-below-winow-has-effect-window)))
  47          1)
  48         ((and (window-in-direction 'right nil t -1)
  49               (not (window-in-direction 'left nil nil -1))
  50               (not (my-below-winow-has-effect-window)))
  51          2)
  52         ((and (not (window-in-direction 'right nil nil -1))
  53               (window-in-direction 'left nil nil -1)
  54               (not (my-below-winow-has-effect-window)))
  55          3)
  56         ((and (window-in-direction 'right nil nil -1)
  57               (not (window-in-direction 'left nil nil -1))
  58               (my-below-winow-has-effect-window))
  59          5)
  60         ((and (not (window-in-direction 'right nil nil -1))
  61               (window-in-direction 'left nil nil -1)
  62               (my-below-winow-has-effect-window))
  63          6)
  64         (t
  65          4)))
  66
  67
  68 (defun sd/powerline-center-theme_revised-2 ()
  69   "Setup a mode-line with major and minor modes centered."
  70   (interactive)
  71   (setq-default mode-line-format
  72                 '("%e"
  73                   (:eval
  74                    (let* ((window-type (my-get-window-type))
  75                           (active (powerline-selected-window-active))
  76                           (my-face1 'sd/powerline-active1 )
  77                           ;; (my-face-buffer-modified (if (and (sd/buffer-is-eshel-or-scratch) (buffer-modified-p) (not buffer-read-only))
  78                           ;;                              'sd/buffer-modified-active1
  79                           ;;                            (if buffer-read-only 'sd/buffer-view-active1
  80                           ;;                              my-face1)))
  81                           (face1 'powerline-active1)
  82                           (face2 'powerline-active2)
  83                           (separator-left (intern (format "powerline-%s-%s"
  84                                                           (powerline-current-separator)
  85                                                           (car powerline-default-separator-dir))))
  86                           (separator-right (intern (format "powerline-%s-%s"
  87                                                            (powerline-current-separator)
  88                                                            (cdr powerline-default-separator-dir))))
  89                           (lface (if (and (not active)
  90                                           (or (= window-type 3) (= window-type 6)))
  91                                      face2
  92                                    my-face1))
  93                           (cface (if active my-face1 face2))
  94                           (rface (if (and (not active)
  95                                           (or (= window-type 2) (= window-type 5)))
  96                                      face2
  97                                    my-face1))
  98                           (lhs (cond ((or (= window-type 1) (= window-type 2))
  99                                       (list (powerline-raw " = ws1 = " lface)
 100                                             (funcall separator-left lface face1 )))
 101                                      ((or (= window-type 3) (= window-type 6))
 102                                       (list (powerline-buffer-id lface 'l)
 103                                             (powerline-raw "%* " lface)
 104                                             (funcall separator-left lface face1 )))
 105                                      (t
 106                                       nil)))
 107                           (center (if (or (= window-type 1) (= window-type 4))
 108                                       (list (powerline-raw " " face1)
 109                                             (funcall separator-right face1 cface)
 110                                             (powerline-raw "%*" cface)
 111                                             (powerline-buffer-id cface 'r)
 112                                             (funcall separator-left cface face1))
 113                                     nil))
 114                           (rhs (cond ((or (= window-type 1) (= window-type 3))
 115                                       (list (funcall separator-right face1 rface)
 116                                             (powerline-raw (format-time-string " %I:%M %p ") rface 'r)))
 117                                      ((or (= window-type 2) (= window-type 5))
 118                                       (list (funcall separator-right face1 rface)
 119                                             (powerline-raw "%*" rface)
 120                                             (powerline-buffer-id rface 'r)
 121                                             (powerline-raw " " rface)))
 122                                      (t
 123                                       nil))))
 124                      (concat (powerline-render lhs)
 125                              (powerline-fill-center face1 (/ (powerline-width center) 2.0))
 126                              (powerline-render center)
 127                              (powerline-fill face1 (powerline-width rhs))
 128                              (powerline-render rhs)))))))
 129
 130 (sd/powerline-center-theme_revised-2)
 131
 132 (provide 'my-mode-line)
 133 ;;; my-mode-line.el ends here
 134
 135