;;; init-yasnippet.el --- -*- lexical-binding: t -*-
;;
;; Filename: init-yasnippet.el
;; Description: Initialize YASnippet
;; Author: Mingde (Matthew) Zeng
;; Copyright (C) 2019 Mingde (Matthew) Zeng
;; Created: Tue Apr 23 23:08:17 2019 (-0400)
;; Version: 2.0.0
;; Last-Updated: Sat Dec 14 20:56:21 2019 (-0500)
;;           By: Mingde (Matthew) Zeng
;; URL: https://github.com/MatthewZMD/.emacs.d
;; Keywords: M-EMACS .emacs.d yasnippet
;; Compatibility: emacs-version >= 26.1
;;
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;;
;;; Commentary:
;;
;; This initializes YASnippet
;;
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;;
;; 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 GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
;;
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;;
;;; Code:

;; YASnippetPac
(use-package yasnippet
  :diminish yas-minor-mode
  :init
  (use-package yasnippet-snippets :after yasnippet)
  :hook ((prog-mode LaTeX-mode org-mode) . yas-minor-mode)
  :bind
  (:map yas-minor-mode-map ("C-c C-n" . yas-expand-from-trigger-key))
  (:map yas-keymap
        (("TAB" . smarter-yas-expand-next-field)
         ([(tab)] . smarter-yas-expand-next-field)))
  :config
  (yas-reload-all)
  (defun smarter-yas-expand-next-field ()
    "Try to `yas-expand' then `yas-next-field' at current cursor position."
    (interactive)
    (let ((old-point (point))
          (old-tick (buffer-chars-modified-tick)))
      (yas-expand)
      (when (and (eq old-point (point))
                 (eq old-tick (buffer-chars-modified-tick)))
        (ignore-errors (yas-next-field))))))
;; -YASnippetPac

(provide 'init-yasnippet)
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;;; init-yasnippet.el ends here