108 lines
3.9 KiB
EmacsLisp
108 lines
3.9 KiB
EmacsLisp
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;;; all-the-icons-ivy.el --- Shows icons while using ivy and counsel -*- lexical-binding: t; -*-
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;; Copyright (C) 2017 asok
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;; Author: asok
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;; Version: 0.2.0
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;; Package-Version: 20180225.630
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;; Keywords: faces
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;; Package-Requires: ((emacs "24.4") (all-the-icons "2.4.0") (ivy "0.8.0"))
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; To use this package, do
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;;
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;; (all-the-icons-ivy-setup)
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;;
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;; Or if you prefer to only set transformers
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;; for a subset of ivy commands:
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;;
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;; (require 'all-the-icons-ivy)
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;; (ivy-set-display-transformer 'ivy-switch-buffer 'all-the-icons-ivy-buffer-transformer)
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;;; Code:
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(require 'all-the-icons)
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(require 'ivy)
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(defgroup all-the-icons-ivy nil
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"Shows icons while using ivy and counsel."
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:group 'ivy)
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(defcustom all-the-icons-ivy-buffer-commands
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'(ivy-switch-buffer ivy-switch-buffer-other-window counsel-projectile-switch-to-buffer)
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"Commands to use with `all-the-icons-ivy-buffer-transformer'."
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:type '(repeat function)
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:group 'all-the-icons-ivy)
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(defcustom all-the-icons-ivy-file-commands
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'(counsel-find-file counsel-projectile-find-file counsel-projectile-find-dir)
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"Commands to use with `all-the-icons-ivy-file-transformer'."
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:type '(repeat function)
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:group 'all-the-icons-ivy)
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(defun all-the-icons-ivy--buffer-propertize (b s)
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"If buffer B is modified apply `ivy-modified-buffer' face on string S."
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(if (and (buffer-file-name b)
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(buffer-modified-p b))
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(propertize s 'face 'ivy-modified-buffer)
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s))
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(defun all-the-icons-ivy--icon-for-mode (mode)
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"Apply `all-the-icons-for-mode' on MODE but either return an icon or nil."
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(let ((icon (all-the-icons-icon-for-mode mode)))
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(unless (symbolp icon)
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icon)))
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(defun all-the-icons-ivy--buffer-transformer (b s)
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"Return a candidate string for buffer B named S preceded by an icon.
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Try to find the icon for the buffer's B `major-mode'.
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If that fails look for an icon for the mode that the `major-mode' is derived from."
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(let ((mode (buffer-local-value 'major-mode b)))
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(format "%s\t%s"
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(propertize "\t" 'display (or
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(all-the-icons-ivy--icon-for-mode mode)
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(all-the-icons-ivy--icon-for-mode (get mode 'derived-mode-parent))))
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(all-the-icons-ivy--buffer-propertize b s))))
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(defun all-the-icons-ivy-file-transformer (s)
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"Return a candidate string for filename S preceded by an icon."
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(format "%s\t%s"
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(propertize "\t" 'display (all-the-icons-icon-for-file s))
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s))
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(defun all-the-icons-ivy-buffer-transformer (s)
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"Return a candidate string for buffer named S.
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Assume that sometimes the buffer named S might not exists.
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That can happen if `ivy-switch-buffer' does not find the buffer and it
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falls back to `ivy-recentf' and the same transformer is used."
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(let ((b (get-buffer s)))
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(if b
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(all-the-icons-ivy--buffer-transformer b s)
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(all-the-icons-ivy-file-transformer s))))
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;;;###autoload
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(defun all-the-icons-ivy-setup ()
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"Set ivy's display transformers to show relevant icons next to the candidates."
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(dolist (cmd all-the-icons-ivy-buffer-commands)
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(ivy-set-display-transformer cmd 'all-the-icons-ivy-buffer-transformer))
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(dolist (cmd all-the-icons-ivy-file-commands)
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(ivy-set-display-transformer cmd 'all-the-icons-ivy-file-transformer)))
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(provide 'all-the-icons-ivy)
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;;; all-the-icons-ivy.el ends here
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