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;;; jao-mode-line.el --- mode-line info -*- lexical-binding: t; -*-
;; Copyright (C) 2022 jao
;; Author: jao <mail@jao.io>
;; Keywords: convenience
;; 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Using jao-minibuffer to display mode-line info in the minibuffer,
;; or toggle it off in non-active windows.
;;; Code:
(require 'jao-minibuffer)
;;;; mode line toggle
(defun jao-mode-line--face-height (face &optional all)
(let* ((h (face-attribute face :height (window-frame)))
(nh (if (eq 'unspecified h) 1 'unspecified)))
(set-face-attribute face (when (not all) (window-frame)) :height nh)))
(defun jao-mode-line--set-inactive-face (x frame)
(unless (eq x (face-attribute 'mode-line-inactive :height frame))
(set-face-attribute 'mode-line-inactive frame :height x)))
;;;###autoload
(defun jao-mode-line-toggle (&optional all)
(interactive "P")
(jao-mode-line--face-height 'mode-line all))
;;;###autoload
(defun jao-mode-line-toggle-inactive (&optional all)
(interactive "P")
(jao-mode-line--face-height 'mode-line-inactive all))
;;;###autoload
(defun jao-mode-line-echo ()
(interactive)
(message "%s" (format-mode-line mode-line-format)))
;;;###autoload
(defun jao-mode-line-hide-inactive (frame)
(jao-mode-line--set-inactive-face 1 frame))
;;;###autoload
(defun jao-mode-line-show-inactive (frame)
(jao-mode-line--set-inactive-face 'unspecified frame))
;;;; mode line format
(defvar exwm-class-name nil)
(defvar jao-mode-line--position
'(exwm-class-name
("")
("%n %2c %l " (:eval (format "%d" (line-number-at-pos (point-max)))))))
(defvar jao-mode-line--bid
'(:eval (cond ((derived-mode-p 'gnus-group-mode
'gnus-article-mode
'gnus-summary-mode)
mode-line-buffer-identification)
((derived-mode-p 'circe-channel-mode)
(format "%s [%d]" (buffer-name) (length (circe-channel-nicks))))
(t "%b"))))
(defvar jao-mode-line--format
`("%[" (:propertize ,jao-mode-line--bid face jao-themes-f00) "%]"
(:propertize " (" face jao-themes-dimm)
(:propertize mode-name face jao-themes-f00)
(:propertize ("" minor-mode-alist) face jao-themes-f11)
(:propertize ")" face jao-themes-dimm)
(:propertize (vc-mode vc-mode) face jao-themes-f10)
(:propertize mode-line-position face jao-themes-f12)
" "
global-mode-string
(:propertize (" %Z%*%+ " (current-input-method current-input-method-title))
face jao-themes-warning)
(:propertize "·" display "")))
;;;; mode line in minibuffer
(defvar jao-mode-line--old-format nil)
(defvar jao-mode-line--face nil)
(defvar jao-mode-line--inactive-face nil)
(defvar jao-mode-line--props
'(:box :height :background :foreground :overline :underline :extend))
(defun jao-mode-line--extract-face (inactive)
(let ((atts nil)
(face (if inactive 'mode-line-inactive 'mode-line)))
(dolist (a jao-mode-line--props)
(push (face-attribute face a) atts)
(push a atts))
(set (if inactive 'jao-mode-line--inactive-face 'jao-mode-line--face) atts)))
(defun jao-mode-line--revert-face (inactive)
(apply #'set-face-attribute (if inactive 'mode-line-inactive 'mode-line) nil
(if inactive jao-mode-line--inactive-face jao-mode-line--face)))
(defun jao-mode-line-adjust-faces ()
(let ((bg (frame-parameter nil 'background-color)))
(jao-mode-line--extract-face nil)
(jao-mode-line--extract-face t)
(set-face-attribute 'mode-line nil :box nil :height 1
:background bg :foreground bg
:overline jao-minibuffer-active-buffer-line-color
:underline jao-minibuffer-inactive-buffer-line-color
:extend t)
(set-face-attribute 'mode-line-inactive nil :box nil :height 1
:background bg :foreground bg
:overline bg
:underline jao-minibuffer-inactive-buffer-line-color
:extend t)))
;;;###autoload
(defun jao-mode-line-add-to-minibuffer (&optional order)
(interactive)
(setq jao-mode-line--old-format mode-line-format)
(setq-default mode-line-format '(" "))
(setq-default mode-line-position jao-mode-line--position)
(dolist (b (buffer-list))
(with-current-buffer b (setq-local mode-line-format '(" "))))
(jao-minibuffer-add-variable 'jao-mode-line--format (or order 90))
(jao-mode-line-adjust-faces))
;;;###autoload
(defun jao-mode-line-remove-from-minibuffer ()
(interactive)
(jao-mode-line--revert-face nil)
(jao-mode-line--revert-face t)
(setq-default mode-line-format jao-mode-line--old-format)
(dolist (b (buffer-list))
(with-current-buffer b
(setq-local mode-line-format jao-mode-line--old-format)))
(jao-minibuffer-remove-variable 'jao-mode-line--format))
(provide 'jao-mode-line)
;;; jao-mode-line.el ends here
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