58 lines
2.4 KiB
EmacsLisp
58 lines
2.4 KiB
EmacsLisp
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;;; core-progress-bar.el --- Spacemacs Core File
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;;
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;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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(require 'core-spacemacs-buffer)
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(defvar spacemacs-loading-char ?█)
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(defvar spacemacs-loading-char-light ?░)
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(defvar spacemacs-loading-string "")
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(defvar spacemacs-loading-counter 0)
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(defvar spacemacs-loading-value 0)
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(defvar spacemacs-loading-dots-chunk-count 5)
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(defvar spacemacs-loading-dots-count 0)
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(defvar spacemacs-loading-dots-chunk-size 0)
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(defvar spacemacs-loading-dots-chunk-threshold 0)
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(defun spacemacs/init-progress-bar (max)
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"Initialize the progress bar."
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(setq spacemacs-loading-dots-count (window-total-size nil 'width))
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(setq spacemacs-loading-dots-chunk-size (/ spacemacs-loading-dots-count
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spacemacs-loading-dots-chunk-count))
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(setq spacemacs-loading-dots-chunk-threshold
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(- (/ max spacemacs-loading-dots-chunk-count) 5))
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(setq spacemacs-loading-counter 0)
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(setq spacemacs-loading-value 0)
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(spacemacs-buffer/set-mode-line (make-string spacemacs-loading-dots-count
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spacemacs-loading-char-light))
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(spacemacs//redisplay))
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(defun spacemacs/update-progress-bar ()
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"Update progress bar by incrementing its value by 1.
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Display the progress bar by chunks of size `spacemacs--loading-dots-chunk-threshold'"
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(when (and (not noninteractive)
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dotspacemacs-loading-progress-bar)
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(setq spacemacs-loading-counter (1+ spacemacs-loading-counter))
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(setq spacemacs-loading-value (1+ spacemacs-loading-value))
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(when (>= spacemacs-loading-counter
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spacemacs-loading-dots-chunk-threshold)
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(let* ((progress
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(max 0 (* spacemacs-loading-dots-chunk-size
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(floor (/ spacemacs-loading-value
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spacemacs-loading-dots-chunk-threshold)))))
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(remain (max 0 (- spacemacs-loading-dots-count progress))))
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(setq spacemacs-loading-counter 0)
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(setq spacemacs-loading-string
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(concat (make-string progress spacemacs-loading-char)
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(make-string remain spacemacs-loading-char-light)))
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(spacemacs-buffer/set-mode-line spacemacs-loading-string))
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(spacemacs//redisplay))))
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(provide 'core-progress-bar)
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