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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/lsp-ui-20180619.251/lsp-ui-imenu.el')
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1 files changed, 241 insertions, 0 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/lsp-ui-20180619.251/lsp-ui-imenu.el b/configs/shared/emacs/.emacs.d/elpa/lsp-ui-20180619.251/lsp-ui-imenu.el new file mode 100644 index 0000000000..d7005e878e --- /dev/null +++ b/configs/shared/emacs/.emacs.d/elpa/lsp-ui-20180619.251/lsp-ui-imenu.el @@ -0,0 +1,241 @@ +;;; lsp-ui-imenu.el --- Lsp-Ui-Imenu -*- lexical-binding: t -*- + +;; Copyright (C) 2018 Sebastien Chapuis + +;; Author: Sebastien Chapuis <sebastien@chapu.is> +;; URL: https://github.com/emacs-lsp/lsp-ui +;; Keywords: lsp, ui + +;;; License +;; +;; 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, 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; see the file COPYING. If not, write to +;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth +;; Floor, Boston, MA 02110-1301, USA. + +;;; Commentary: +;; +;; Show imenu entries +;; Call the function `lsp-ui-imenu' +;; +;; (define-key lsp-ui-mode-map (kbd "C-c l") 'lsp-ui-imenu) +;; + +;;; Code: + +(require 'lsp-mode) +(require 'lsp-imenu) +(require 'dash) + +(defgroup lsp-ui-imenu nil + "Display imenu entries." + :group 'tools + :group 'convenience + :group 'lsp-ui + :link '(custom-manual "(lsp-ui-imenu) Top") + :link '(info-link "(lsp-ui-imenu) Customizing")) + +(defcustom lsp-ui-imenu-enable t + "Whether or not to enable ‘lsp-ui-imenu’." + :type 'boolean + :group 'lsp-ui) + +(defcustom lsp-ui-imenu-kind-position 'top + "Where to show the entries kind." + :type '(choice (const :tag "Top" top) + (const :tag "Left" left)) + :group 'lsp-ui-imenu) + +(defcustom lsp-ui-imenu-colors '("deep sky blue" "green3") + "Color list to cycle through for entry groups." + :type '(repeat color) + :group 'lsp-ui-menu) + +(declare-function imenu--make-index-alist 'imenu) +(declare-function imenu--subalist-p 'imenu) +(defvar imenu--index-alist) + +(defun lsp-ui-imenu--pad (s len color &optional no-bar) + (let ((n (- len (length s)))) + (propertize (concat (make-string n ?\s) s (unless no-bar " ┃ ")) + 'face `(:foreground ,color)))) + +(defun lsp-ui-imenu--get-color (index) + (nth (mod index (length lsp-ui-imenu-colors)) lsp-ui-imenu-colors)) + +(defun lsp-ui-imenu--make-line (title index padding entry color-index) + (let* ((color (lsp-ui-imenu--get-color color-index)) + (prefix (if (and (= index 0) (eq lsp-ui-imenu-kind-position 'left)) title " ")) + (text (concat (lsp-ui-imenu--pad prefix padding color) + (propertize (car entry) 'face 'default) + "\n")) + (len (length text))) + (add-text-properties 0 len `(index ,index title ,title marker ,(cdr entry) padding ,padding) text) + text)) + +(defvar-local lsp-ui-imenu-ov nil) + +(defun lsp-ui-imenu--make-ov nil + (or (and (overlayp lsp-ui-imenu-ov) lsp-ui-imenu-ov) + (setq lsp-ui-imenu-ov (make-overlay 1 1)))) + +(defun lsp-ui-imenu--post-command nil + (when (eobp) + (forward-line -1)) + (-when-let (padding (get-char-property (point) 'padding)) + (goto-char (+ 3 (line-beginning-position) padding))) + (when (eq lsp-ui-imenu-kind-position 'left) + (save-excursion + (when (overlayp lsp-ui-imenu-ov) + (overlay-put lsp-ui-imenu-ov 'display nil)) + (redisplay) + (goto-char (window-start)) + (if (not (= (get-text-property (point) 'index) 0)) + (let* ((ov (lsp-ui-imenu--make-ov)) + (padding (get-text-property (point) 'padding)) + (title (get-text-property (point) 'title)) + (text (buffer-substring (+ (line-beginning-position) padding) (line-end-position)))) + (move-overlay ov (line-beginning-position) (line-end-position)) + (overlay-put ov 'display `(string ,(concat (let ((n (- padding (length title)))) + (propertize (concat (make-string n ?\s) title))) + text)))) + (when (overlayp lsp-ui-imenu-ov) + (delete-overlay lsp-ui-imenu-ov)))))) + +(defvar lsp-ui-imenu--origin nil) + +(defun lsp-ui-imenu--put-separator nil + (let ((ov (make-overlay (point) (point)))) + (overlay-put ov 'after-string (propertize "\n" 'face '(:height 0.6))))) + +(defun lsp-ui-imenu--put-kind (title padding color-index) + (when (eq lsp-ui-imenu-kind-position 'top) + (let ((ov (make-overlay (point) (point))) + (color (lsp-ui-imenu--get-color color-index))) + (overlay-put + ov 'after-string + (concat (lsp-ui-imenu--pad " " padding color t) + "\n" + title + (propertize "\n" 'face '(:height 1))))))) + +(defun lsp-ui-imenu nil + (interactive) + (setq lsp-ui-imenu--origin (current-buffer)) + (imenu--make-index-alist) + (let ((list imenu--index-alist)) + (with-current-buffer (get-buffer-create "*lsp-ui-imenu*") + (let* ((padding (or (and (eq lsp-ui-imenu-kind-position 'top) 1) + (--> (-filter 'imenu--subalist-p list) + (--map (length (car it)) it) + (-max (or it '(1)))))) + (grouped-by-subs (-partition-by 'imenu--subalist-p list)) + (color-index 0) + buffer-read-only) + (remove-overlays) + (erase-buffer) + (lsp-ui-imenu--put-separator) + (dolist (group grouped-by-subs) + (if (imenu--subalist-p (car group)) + (dolist (kind group) + (-let* (((title . entries) kind)) + (lsp-ui-imenu--put-kind title padding color-index) + (--each-indexed entries + (insert (lsp-ui-imenu--make-line title it-index padding it color-index))) + (lsp-ui-imenu--put-separator) + (setq color-index (1+ color-index)))) + (--each-indexed group + (insert (lsp-ui-imenu--make-line " " it-index padding it color-index))) + (lsp-ui-imenu--put-separator) + (setq color-index (1+ color-index)))) + (lsp-ui-imenu-mode) + (setq mode-line-format '(:eval (lsp-ui-imenu--win-separator))) + (goto-char 1) + (add-hook 'post-command-hook 'lsp-ui-imenu--post-command nil t) + )) + (let ((win (display-buffer-in-side-window (get-buffer "*lsp-ui-imenu*") '((side . right)))) + (fit-window-to-buffer-horizontally t)) + (set-window-margins win 1) + (select-window win) + (set-window-start win 1) + (set-window-dedicated-p win t) + (let ((fit-window-to-buffer-horizontally 'only)) + (fit-window-to-buffer win)) + (window-resize win 3 t)))) + +(defun lsp-ui-imenu--win-separator () + (when (and (window-combined-p) + (window-next-sibling) + (= (window-bottom-divider-width) 0)) + (propertize (make-string (window-total-width) ?\─) 'face 'window-divider))) + +(defun lsp-ui-imenu--kill nil + (interactive) + (kill-buffer-and-window)) + +(defun lsp-ui-imenu--jump (direction) + (let ((current (get-text-property (point) 'title))) + (forward-line direction) + (while (and current + (not (= (line-number-at-pos) 1)) + (equal current (get-text-property (point) 'title))) + (forward-line direction)))) + +(defun lsp-ui-imenu--next-kind nil + (interactive) + (lsp-ui-imenu--jump 1)) + +(defun lsp-ui-imenu--prev-kind nil + (interactive) + (lsp-ui-imenu--jump -1) + (while (not (= (get-text-property (point) 'index) 0)) + (forward-line -1))) + +(defun lsp-ui-imenu--visit nil + (interactive) + (let ((marker (get-text-property (point) 'marker))) + (select-window (get-buffer-window lsp-ui-imenu--origin)) + (goto-char marker) + (pulse-momentary-highlight-one-line (point) 'next-error))) + +(defun lsp-ui-imenu--view nil + (interactive) + (let ((marker (get-text-property (point) 'marker))) + (with-selected-window (get-buffer-window lsp-ui-imenu--origin) + (goto-char marker) + (recenter) + (pulse-momentary-highlight-one-line (point) 'next-error)))) + +(defvar lsp-ui-imenu-mode-map nil + "Keymap for ‘lsp-ui-peek-mode’.") +(unless lsp-ui-imenu-mode-map + (let ((map (make-sparse-keymap))) + (define-key map (kbd "q") 'lsp-ui-imenu--kill) + (define-key map (kbd "<right>") 'lsp-ui-imenu--next-kind) + (define-key map (kbd "<left>") 'lsp-ui-imenu--prev-kind) + (define-key map (kbd "<return>") 'lsp-ui-imenu--view) + (define-key map (kbd "<M-return>") 'lsp-ui-imenu--visit) + (setq lsp-ui-imenu-mode-map map))) + +(define-derived-mode lsp-ui-imenu-mode special-mode "lsp-ui-imenu" + "Mode showing imenu entries.") + +(defun lsp-ui-imenu-enable (enable) + (if enable + (lsp-enable-imenu) + (when (eq imenu-create-index-function 'lsp--imenu-create-index) + (setq imenu-create-index-function + 'imenu-default-create-index-function)))) + +(provide 'lsp-ui-imenu) +;;; lsp-ui-imenu.el ends here |