(if (>= emacs-major-version 24)
(progn
(add-to-list 'load-path "~/.emacs.d/elpa")
- (add-to-list 'load-path "~/.emacs.d/elpa/popup-20160709.1429")
+ (add-to-list 'load-path "~/.emacs.d/elpa/popup-20200719.1015")
(require 'package)
;; (package-initialize)
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/"))
+++ /dev/null
-;;; popup-autoloads.el --- automatically extracted autoloads
-;;
-;;; Code:
-
-(add-to-list 'load-path (directory-file-name
- (or (file-name-directory #$) (car load-path))))
-
-\f
-;;;### (autoloads nil "popup" "popup.el" (0 0 0 0))
-;;; Generated autoloads from popup.el
-
-(if (fboundp 'register-definition-prefixes) (register-definition-prefixes "popup" '("popup-")))
-
-;;;***
-\f
-;; Local Variables:
-;; version-control: never
-;; no-byte-compile: t
-;; no-update-autoloads: t
-;; coding: utf-8
-;; End:
-;;; popup-autoloads.el ends here
+++ /dev/null
-;;; -*- no-byte-compile: t -*-
-(define-package "popup" "20160709.1429" "Visual Popup User Interface" '((cl-lib "0.5")) :commit "80829dd46381754639fb764da11c67235fe63282" :keywords '("lisp") :authors '(("Tomohiro Matsuyama" . "m2ym.pubNOSPAMgmail.com")) :maintainer '("Tomohiro Matsuyama" . "m2ym.pubNOSPAMgmail.com"))
+++ /dev/null
-;;; popup.el --- Visual Popup User Interface
-
-;; Copyright (C) 2009-2015 Tomohiro Matsuyama
-
-;; Author: Tomohiro Matsuyama <m2ym.pubNOSPAMgmail.com>
-;; Keywords: lisp
-;; Package-Version: 20160709.1429
-;; Version: 0.5.3
-;; Package-Requires: ((cl-lib "0.5"))
-
-;; 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 <http://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;; popup.el is a visual popup user interface library for Emacs. This
-;; provides a basic API and common UI widgets such as popup tooltips
-;; and popup menus.
-;; See README.markdown for more information.
-
-;;; Code:
-
-(require 'cl-lib)
-
-(defconst popup-version "0.5.3")
-
-\f
-
-;;; Utilities
-
-(defun popup-calculate-max-width (max-width)
- "Determines whether the width desired is
-character or window proportion based, And returns the result."
- (cl-typecase max-width
- (integer max-width)
- (float (* (ceiling (/ (round (* max-width (window-width))) 10.0)) 10))))
-
-(defvar popup-use-optimized-column-computation t
- "Use the optimized column computation routine.
-If there is a problem, please set it nil.")
-
-(defmacro popup-aif (test then &rest else)
- "Anaphoric if."
- (declare (indent 2))
- `(let ((it ,test))
- (if it ,then ,@else)))
-
-(defmacro popup-awhen (test &rest body)
- "Anaphoric when."
- (declare (indent 1))
- `(let ((it ,test))
- (when it ,@body)))
-
-(defun popup-x-to-string (x)
- "Convert any object to string effeciently.
-This is faster than `prin1-to-string' in many cases."
- (cl-typecase x
- (string x)
- (symbol (symbol-name x))
- (integer (number-to-string x))
- (float (number-to-string x))
- (t (format "%s" x))))
-
-(defun popup-substring-by-width (string width)
- "Return a cons cell of substring and remaining string by
-splitting with WIDTH."
- ;; Expand tabs into 4 spaces
- (setq string (replace-regexp-in-string "\t" " " string))
- (cl-loop with len = (length string)
- with w = 0
- for l from 0
- for c in (append string nil)
- while (<= (cl-incf w (char-width c)) width)
- finally return
- (if (< l len)
- (cons (substring string 0 l) (substring string l))
- (list string))))
-
-(defun popup-fill-string (string &optional width max-width justify squeeze)
- "Split STRING into fixed width strings and return a cons cell
-like \(WIDTH . ROWS). Here, the car WIDTH indicates the actual
-maxim width of ROWS.
-
-The argument WIDTH specifies the width of filling each
-paragraph. WIDTH nil means don't perform any justification and
-word wrap. Note that this function doesn't add any padding
-characters at the end of each row.
-
-MAX-WIDTH, if WIDTH is nil, specifies the maximum number of
-columns.
-
-The optional fourth argument JUSTIFY specifies which kind of
-justification to do: `full', `left', `right', `center', or
-`none' (equivalent to nil). A value of t means handle each
-paragraph as specified by its text properties.
-
-SQUEEZE nil means leave whitespaces other than line breaks
-untouched."
- (if (eq width 0)
- (error "Can't fill string with 0 width"))
- (if width
- (setq max-width width))
- (with-temp-buffer
- (let ((tab-width 4)
- (fill-column width)
- (left-margin 0)
- (kinsoku-limit 1)
- indent-tabs-mode
- row rows)
- (insert string)
- (untabify (point-min) (point-max))
- (if width
- (fill-region (point-min) (point-max) justify (not squeeze)))
- (goto-char (point-min))
- (setq width 0)
- (while (prog2
- (let ((line (buffer-substring
- (point) (progn (end-of-line) (point)))))
- (if max-width
- (while (progn
- (setq row (truncate-string-to-width line max-width)
- width (max width (string-width row)))
- (push row rows)
- (if (not (= (length row) (length line)))
- (setq line (substring line (length row))))))
- (setq width (max width (string-width line)))
- (push line rows)))
- (< (point) (point-max))
- (beginning-of-line 2)))
- (cons width (nreverse rows)))))
-
-(defmacro popup-save-buffer-state (&rest body)
- (declare (indent 0))
- `(save-excursion
- (let ((buffer-undo-list t)
- (inhibit-read-only t)
- (modified (buffer-modified-p)))
- (unwind-protect
- (progn ,@body)
- (set-buffer-modified-p modified)))))
-
-(defun popup-vertical-motion (column direction)
- "A portable version of `vertical-motion'."
- (if (>= emacs-major-version 23)
- (vertical-motion (cons column direction))
- (vertical-motion direction)
- (move-to-column (+ (current-column) column))))
-
-(defun popup-last-line-of-buffer-p ()
- "Return non-nil if the cursor is at the last line of the
-buffer."
- (save-excursion (end-of-line) (/= (forward-line) 0)))
-
-(defun popup-lookup-key-by-event (function event)
- (or (funcall function (vector event))
- (if (symbolp event)
- (popup-aif (get event 'event-symbol-element-mask)
- (funcall function
- (vector (logior (or (get (car it) 'ascii-character)
- 0)
- (cadr it))))))))
-
-\f
-
-;;; Core
-
-(defgroup popup nil
- "Visual Popup User Interface"
- :group 'lisp
- :prefix "popup-")
-
-(defface popup-face
- '((t (:inherit default :background "lightgray" :foreground "black")))
- "Face for popup."
- :group 'popup)
-
-(defface popup-summary-face
- '((t (:inherit popup-face :foreground "dimgray")))
- "Face for popup summary."
- :group 'popup)
-
-(defface popup-scroll-bar-foreground-face
- '((t (:background "black")))
- "Foreground face for scroll-bar."
- :group 'popup)
-
-(defface popup-scroll-bar-background-face
- '((t (:background "gray")))
- "Background face for scroll-bar."
- :group 'popup)
-
-(defvar popup-instances nil
- "Popup instances.")
-
-(defvar popup-scroll-bar-foreground-char
- (propertize " " 'face 'popup-scroll-bar-foreground-face)
- "Foreground character for scroll-bar.")
-
-(defvar popup-scroll-bar-background-char
- (propertize " " 'face 'popup-scroll-bar-background-face)
- "Background character for scroll-bar.")
-
-(cl-defstruct popup
- point row column width height min-height direction overlays keymap
- parent depth
- face mouse-face selection-face summary-face
- margin-left margin-right margin-left-cancel scroll-bar symbol
- cursor offset scroll-top current-height list newlines
- pattern original-list invis-overlays)
-
-(defun popup-item-propertize (item &rest properties)
- "Same as `propertize' except that this avoids overriding
-existed value with `nil' property."
- (cl-loop for (k v) on properties by 'cddr
- if v append (list k v) into props
- finally return
- (apply 'propertize
- (popup-x-to-string item)
- props)))
-
-(defun popup-item-property (item property)
- "Same as `get-text-property' except that this returns nil if
-ITEM is not string."
- (if (stringp item)
- (get-text-property 0 property item)))
-
-(cl-defun popup-make-item (name
- &key
- value
- face
- mouse-face
- selection-face
- sublist
- document
- symbol
- summary)
- "Utility function to make popup item. See also
-`popup-item-propertize'."
- (popup-item-propertize name
- 'value value
- 'popup-face face
- 'popup-mouse-face mouse-face
- 'selection-face selection-face
- 'document document
- 'symbol symbol
- 'summary summary
- 'sublist sublist))
-
-(defsubst popup-item-value (item) (popup-item-property item 'value))
-(defsubst popup-item-value-or-self (item) (or (popup-item-value item) item))
-(defsubst popup-item-face (item) (popup-item-property item 'popup-face))
-(defsubst popup-item-mouse-face (item) (popup-item-property item 'popup-mouse-face))
-(defsubst popup-item-selection-face (item) (popup-item-property item 'selection-face))
-(defsubst popup-item-document (item) (popup-item-property item 'document))
-(defsubst popup-item-summary (item) (popup-item-property item 'summary))
-(defsubst popup-item-symbol (item) (popup-item-property item 'symbol))
-(defsubst popup-item-sublist (item) (popup-item-property item 'sublist))
-
-(defun popup-item-documentation (item)
- (let ((doc (popup-item-document item)))
- (if (functionp doc)
- (setq doc (funcall doc (popup-item-value-or-self item))))
- doc))
-
-(defun popup-item-show-help-1 (item)
- (let ((doc (popup-item-documentation item)))
- (when doc
- (with-current-buffer (get-buffer-create " *Popup Help*")
- (erase-buffer)
- (insert doc)
- (goto-char (point-min))
- (display-buffer (current-buffer)))
- t)))
-
-(defun popup-item-show-help-with-event-loop (item)
- (save-window-excursion
- (when (popup-item-show-help-1 item)
- (cl-loop do (clear-this-command-keys)
- for key = (read-key-sequence-vector nil)
- do
- (cl-case (key-binding key)
- (scroll-other-window
- (scroll-other-window))
- (scroll-other-window-down
- (scroll-other-window-down nil))
- (otherwise
- (setq unread-command-events (append key unread-command-events))
- (cl-return)))))))
-
-(defun popup-item-show-help (item &optional persist)
- "Display the documentation of ITEM with `display-buffer'. If
-PERSIST is nil, the documentation buffer will be closed
-automatically, meaning interal event loop ensures the buffer to
-be closed. Otherwise, the buffer will be just displayed as
-usual."
- (when item
- (if (not persist)
- (popup-item-show-help-with-event-loop item)
- (popup-item-show-help-1 item))))
-
-(defun popup-set-list (popup list)
- (popup-set-filtered-list popup list)
- (setf (popup-pattern popup) nil)
- (setf (popup-original-list popup) list))
-
-(defun popup-set-filtered-list (popup list)
- (let ((offset
- (if (> (popup-direction popup) 0)
- 0
- (max (- (popup-height popup) (length list)) 0))))
- (setf (popup-list popup) list
- (popup-offset popup) offset)))
-
-(defun popup-selected-item (popup)
- (nth (popup-cursor popup) (popup-list popup)))
-
-(defun popup-selected-line (popup)
- (- (popup-cursor popup) (popup-scroll-top popup)))
-
-(defun popup-line-overlay (popup line)
- (aref (popup-overlays popup) line))
-
-(defun popup-selected-line-overlay (popup)
- (popup-line-overlay popup (popup-selected-line popup)))
-
-(defun popup-hide-line (popup line)
- (let ((overlay (popup-line-overlay popup line)))
- (overlay-put overlay 'display nil)
- (overlay-put overlay 'after-string nil)))
-
-(defun popup-line-hidden-p (popup line)
- (let ((overlay (popup-line-overlay popup line)))
- (and (eq (overlay-get overlay 'display) nil)
- (eq (overlay-get overlay 'after-string) nil))))
-
-(cl-defun popup-set-line-item (popup
- line
- &key
- item
- face
- mouse-face
- margin-left
- margin-right
- scroll-bar-char
- symbol
- summary
- summary-face
- keymap)
- (let* ((overlay (popup-line-overlay popup line))
- (content (popup-create-line-string popup (popup-x-to-string item)
- :margin-left margin-left
- :margin-right margin-right
- :symbol symbol
- :summary summary
- :summary-face summary-face))
- (start 0)
- (prefix (overlay-get overlay 'prefix))
- (postfix (overlay-get overlay 'postfix))
- end)
- (put-text-property 0 (length content) 'popup-item item content)
- (put-text-property 0 (length content) 'keymap keymap content)
- ;; Overlap face properties
- (when (get-text-property start 'face content)
- (setq start (next-single-property-change start 'face content)))
- (while (and start (setq end (next-single-property-change start 'face content)))
- (put-text-property start end 'face face content)
- (setq start (next-single-property-change end 'face content)))
- (when start
- (put-text-property start (length content) 'face face content))
- (when mouse-face
- (put-text-property 0 (length content) 'mouse-face mouse-face content))
- (let ((prop (if (overlay-get overlay 'dangle)
- 'after-string
- 'display)))
- (overlay-put overlay
- prop
- (concat prefix
- content
- scroll-bar-char
- postfix)))))
-
-(cl-defun popup-create-line-string (popup
- string
- &key
- margin-left
- margin-right
- symbol
- summary
- summary-face)
- (let* ((popup-width (popup-width popup))
- (summary-width (string-width summary))
- (content-width (max
- (min popup-width (string-width string))
- (- popup-width
- (if (> summary-width 0)
- (+ summary-width 2)
- 0))))
- (string (car (popup-substring-by-width string content-width)))
- (string-width (string-width string))
- (spacing (max (- popup-width string-width summary-width)
- (if (> popup-width string-width) 1 0)))
- (truncated-summary
- (car (popup-substring-by-width
- summary (max (- popup-width string-width spacing) 0)))))
- (when summary-face
- (put-text-property 0 (length truncated-summary)
- 'face summary-face truncated-summary))
- (concat margin-left
- string
- (make-string spacing ? )
- truncated-summary
- symbol
- margin-right)))
-
-(defun popup-live-p (popup)
- "Return non-nil if POPUP is alive."
- (and popup (popup-overlays popup) t))
-
-(defun popup-child-point (popup &optional offset)
- (overlay-end
- (popup-line-overlay
- popup
- (or offset
- (popup-selected-line popup)))))
-
-(defun popup-calculate-direction (height row)
- "Return a proper direction when displaying a popup on this
-window. HEIGHT is the a height of the popup, and ROW is a line
-number at the point."
- (let* ((remaining-rows (- (max 1 (- (window-height)
- (if mode-line-format 1 0)
- (if header-line-format 1 0)))
- (count-lines (window-start) (point))))
- (enough-space-above (> row height))
- (enough-space-below (<= height remaining-rows)))
- (if (and enough-space-above
- (not enough-space-below))
- -1
- 1)))
-
-(cl-defun popup-create (point
- width
- height
- &key
- min-height
- max-width
- around
- (face 'popup-face)
- mouse-face
- (selection-face face)
- (summary-face 'popup-summary-face)
- scroll-bar
- margin-left
- margin-right
- symbol
- parent
- parent-offset
- keymap)
- "Create a popup instance at POINT with WIDTH and HEIGHT.
-
-MIN-HEIGHT is a minimal height of the popup. The default value is
-0.
-
-MAX-WIDTH is the maximum width of the popup. The default value is
-nil (no limit). If a floating point, the value refers to the ratio of
-the window. If an integer, limit is in characters.
-
-If AROUND is non-nil, the popup will be displayed around the
-point but not at the point.
-
-FACE is a background face of the popup. The default value is POPUP-FACE.
-
-SELECTION-FACE is a foreground (selection) face of the popup The
-default value is POPUP-FACE.
-
-If SCROLL-BAR is non-nil, the popup will have a scroll bar at the
-right.
-
-If MARGIN-LEFT is non-nil, the popup will have a margin at the
-left.
-
-If MARGIN-RIGHT is non-nil, the popup will have a margin at the
-right.
-
-SYMBOL is a single character which indicates a kind of the item.
-
-PARENT is a parent popup instance. If PARENT is omitted, the
-popup will be a root instance.
-
-PARENT-OFFSET is a row offset from the parent popup.
-
-KEYMAP is a keymap that will be put on the popup contents."
- (or margin-left (setq margin-left 0))
- (or margin-right (setq margin-right 0))
- (unless point
- (setq point
- (if parent (popup-child-point parent parent-offset) (point))))
- (when max-width
- (setq width (min width (popup-calculate-max-width max-width))))
- (save-excursion
- (goto-char point)
- (let* ((col-row (posn-col-row (posn-at-point)))
- (row (cdr col-row))
- (column (car col-row))
- (overlays (make-vector height nil))
- (popup-width (+ width
- (if scroll-bar 1 0)
- margin-left
- margin-right
- (if symbol 2 0)))
- margin-left-cancel
- (window (selected-window))
- (window-start (window-start))
- (window-hscroll (window-hscroll))
- (window-width (window-width))
- (right (+ column popup-width))
- (overflow (and (> right window-width)
- (>= right popup-width)))
- (foldable (and (null parent)
- (>= column popup-width)))
- (direction (or
- ;; Currently the direction of cascade popup won't be changed
- (and parent (popup-direction parent))
-
- ;; Calculate direction
- (popup-calculate-direction height row)))
- (depth (if parent (1+ (popup-depth parent)) 0))
- (newlines (max 0 (+ (- height (count-lines point (point-max))) (if around 1 0))))
- invis-overlays
- current-column)
- ;; Case: no newlines at the end of the buffer
- (when (> newlines 0)
- (popup-save-buffer-state
- (goto-char (point-max))
- (insert (make-string newlines ?\n))))
-
- ;; Case: the popup overflows
- (if overflow
- (if foldable
- (progn
- (cl-decf column (- popup-width margin-left margin-right))
- (unless around (move-to-column column)))
- (when (not truncate-lines)
- ;; Truncate.
- (let ((d (1+ (- popup-width (- window-width column)))))
- (cl-decf popup-width d)
- (cl-decf width d)))
- (cl-decf column margin-left))
- (cl-decf column margin-left))
-
- ;; Case: no space at the left
- (when (and (null parent)
- (< column 0))
- ;; Cancel margin left
- (setq column 0)
- (cl-decf popup-width margin-left)
- (setq margin-left-cancel t))
-
- (dotimes (i height)
- (let (overlay begin w (dangle t) (prefix "") (postfix ""))
- (when around
- (popup-vertical-motion column direction))
- (cl-loop for ov in (overlays-in (save-excursion
- (beginning-of-visual-line)
- (point))
- (save-excursion
- (end-of-visual-line)
- (point)))
- when (and (not (overlay-get ov 'popup))
- (not (overlay-get ov 'popup-item))
- (or (overlay-get ov 'invisible)
- (overlay-get ov 'display)))
- do (progn
- (push (list ov (overlay-get ov 'display)) invis-overlays)
- (overlay-put ov 'display "")))
- (setq around t)
- (setq current-column (car (posn-col-row (posn-at-point))))
-
- (when (< current-column column)
- ;; Extend short buffer lines by popup prefix (line of spaces)
- (setq prefix (make-string
- (+ (if (= current-column 0)
- (- window-hscroll current-column)
- 0)
- (- column current-column))
- ? )))
-
- (setq begin (point))
- (setq w (+ popup-width (length prefix)))
- (while (and (not (eolp)) (> w 0))
- (setq dangle nil)
- (cl-decf w (char-width (char-after)))
- (forward-char))
- (if (< w 0)
- (setq postfix (make-string (- w) ? )))
-
- (setq overlay (make-overlay begin (point)))
- (overlay-put overlay 'popup t)
- (overlay-put overlay 'window window)
- (overlay-put overlay 'dangle dangle)
- (overlay-put overlay 'prefix prefix)
- (overlay-put overlay 'postfix postfix)
- (overlay-put overlay 'width width)
- (aset overlays
- (if (> direction 0) i (- height i 1))
- overlay)))
- (cl-loop for p from (- 10000 (* depth 1000))
- for overlay in (nreverse (append overlays nil))
- do (overlay-put overlay 'priority p))
- (let ((it (make-popup :point point
- :row row
- :column column
- :width width
- :height height
- :min-height min-height
- :direction direction
- :parent parent
- :depth depth
- :face face
- :mouse-face mouse-face
- :selection-face selection-face
- :summary-face summary-face
- :margin-left margin-left
- :margin-right margin-right
- :margin-left-cancel margin-left-cancel
- :scroll-bar scroll-bar
- :symbol symbol
- :cursor 0
- :offset 0
- :scroll-top 0
- :current-height 0
- :list nil
- :newlines newlines
- :overlays overlays
- :invis-overlays invis-overlays
- :keymap keymap)))
- (push it popup-instances)
- it))))
-
-(defun popup-delete (popup)
- "Delete POPUP instance."
- (when (popup-live-p popup)
- (popup-hide popup)
- (mapc 'delete-overlay (popup-overlays popup))
- (setf (popup-overlays popup) nil)
- (setq popup-instances (delq popup popup-instances))
- ;; Restore newlines state
- (let ((newlines (popup-newlines popup)))
- (when (> newlines 0)
- (popup-save-buffer-state
- (goto-char (point-max))
- (dotimes (i newlines)
- (if (and (char-before)
- (= (char-before) ?\n))
- (delete-char -1)))))))
- nil)
-
-(defun popup-draw (popup)
- "Draw POPUP."
- (cl-loop for (ov olddisplay) in (popup-invis-overlays popup)
- do (overlay-put ov 'display ""))
-
- (cl-loop with height = (popup-height popup)
- with min-height = (popup-min-height popup)
- with popup-face = (popup-face popup)
- with mouse-face = (popup-mouse-face popup)
- with selection-face = (popup-selection-face popup)
- with summary-face-0 = (popup-summary-face popup)
- with list = (popup-list popup)
- with length = (length list)
- with thum-size = (max (/ (* height height) (max length 1)) 1)
- with page-size = (/ (+ 0.0 (max length 1)) height)
- with scroll-bar = (popup-scroll-bar popup)
- with margin-left = (make-string (if (popup-margin-left-cancel popup) 0 (popup-margin-left popup)) ? )
- with margin-right = (make-string (popup-margin-right popup) ? )
- with symbol = (popup-symbol popup)
- with cursor = (popup-cursor popup)
- with scroll-top = (popup-scroll-top popup)
- with offset = (popup-offset popup)
- with keymap = (popup-keymap popup)
- for o from offset
- for i from scroll-top
- while (< o height)
- for item in (nthcdr scroll-top list)
- for page-index = (* thum-size (/ o thum-size))
- for face = (if (= i cursor)
- (or (popup-item-selection-face item) selection-face)
- (or (popup-item-face item) popup-face))
- for summary-face = (unless (= i cursor) summary-face-0)
- for empty-char = (propertize " " 'face face)
- for scroll-bar-char = (if scroll-bar
- (cond
- ((and (not (eq scroll-bar :always))
- (<= page-size 1))
- empty-char)
- ((and (> page-size 1)
- (>= cursor (* page-index page-size))
- (< cursor (* (+ page-index thum-size) page-size)))
- popup-scroll-bar-foreground-char)
- (t
- popup-scroll-bar-background-char))
- "")
- for sym = (if symbol
- (concat " " (or (popup-item-symbol item) " "))
- "")
- for summary = (or (popup-item-summary item) "")
-
- do
- ;; Show line and set item to the line
- (popup-set-line-item popup o
- :item item
- :face face
- :mouse-face mouse-face
- :margin-left margin-left
- :margin-right margin-right
- :scroll-bar-char scroll-bar-char
- :symbol sym
- :summary summary
- :summary-face summary-face
- :keymap keymap)
-
- finally
- ;; Remember current height
- (setf (popup-current-height popup) (- o offset))
-
- ;; Hide remaining lines
- (let ((scroll-bar-char (if scroll-bar (propertize " " 'face popup-face) ""))
- (symbol (if symbol " " "")))
- (if (> (popup-direction popup) 0)
- (progn
- (when min-height
- (while (< o min-height)
- (popup-set-line-item popup o
- :item ""
- :face popup-face
- :margin-left margin-left
- :margin-right margin-right
- :scroll-bar-char scroll-bar-char
- :symbol symbol
- :summary "")
- (cl-incf o)))
- (while (< o height)
- (popup-hide-line popup o)
- (cl-incf o)))
- (cl-loop with h = (if min-height (- height min-height) offset)
- for o from 0 below offset
- if (< o h)
- do (popup-hide-line popup o)
- if (>= o h)
- do (popup-set-line-item popup o
- :item ""
- :face popup-face
- :margin-left margin-left
- :margin-right margin-right
- :scroll-bar-char scroll-bar-char
- :symbol symbol
- :summary ""))))))
-
-(defun popup-hide (popup)
- "Hide POPUP."
- (cl-loop for (ov olddisplay) in (popup-invis-overlays popup)
- do (overlay-put ov 'display olddisplay))
- (dotimes (i (popup-height popup))
- (popup-hide-line popup i)))
-
-(defun popup-hidden-p (popup)
- "Return non-nil if POPUP is hidden."
- (let ((hidden t))
- (when (popup-live-p popup)
- (dotimes (i (popup-height popup))
- (unless (popup-line-hidden-p popup i)
- (setq hidden nil))))
- hidden))
-
-(defun popup-jump (popup cursor)
- "Jump to a position specified by CURSOR of POPUP and draw."
- (let ((scroll-top (popup-scroll-top popup)))
- ;; Do not change page as much as possible.
- (unless (and (<= scroll-top cursor)
- (< cursor (+ scroll-top (popup-height popup))))
- (setf (popup-scroll-top popup) cursor))
- (setf (popup-cursor popup) cursor)
- (popup-draw popup)))
-
-(defun popup-select (popup i)
- "Select the item at I of POPUP and draw."
- (setq i (+ i (popup-offset popup)))
- (when (and (<= 0 i) (< i (popup-height popup)))
- (setf (popup-cursor popup) i)
- (popup-draw popup)
- t))
-
-(defun popup-next (popup)
- "Select the next item of POPUP and draw."
- (let ((height (popup-height popup))
- (cursor (1+ (popup-cursor popup)))
- (scroll-top (popup-scroll-top popup))
- (length (length (popup-list popup))))
- (cond
- ((>= cursor length)
- ;; Back to first page
- (setq cursor 0
- scroll-top 0))
- ((= cursor (+ scroll-top height))
- ;; Go to next page
- (setq scroll-top (min (1+ scroll-top) (max (- length height) 0)))))
- (setf (popup-cursor popup) cursor
- (popup-scroll-top popup) scroll-top)
- (popup-draw popup)))
-
-(defun popup-previous (popup)
- "Select the previous item of POPUP and draw."
- (let ((height (popup-height popup))
- (cursor (1- (popup-cursor popup)))
- (scroll-top (popup-scroll-top popup))
- (length (length (popup-list popup))))
- (cond
- ((< cursor 0)
- ;; Go to last page
- (setq cursor (1- length)
- scroll-top (max (- length height) 0)))
- ((= cursor (1- scroll-top))
- ;; Go to previous page
- (cl-decf scroll-top)))
- (setf (popup-cursor popup) cursor
- (popup-scroll-top popup) scroll-top)
- (popup-draw popup)))
-
-(defun popup-page-next (popup)
- "Select next item of POPUP per `popup-height' range.
-Pages down through POPUP."
- (dotimes (counter (1- (popup-height popup)))
- (popup-next popup)))
-
-(defun popup-page-previous (popup)
- "Select previous item of POPUP per `popup-height' range.
-Pages up through POPUP."
- (dotimes (counter (1- (popup-height popup)))
- (popup-previous popup)))
-
-(defun popup-scroll-down (popup &optional n)
- "Scroll down N of POPUP and draw."
- (let ((scroll-top (min (+ (popup-scroll-top popup) (or n 1))
- (- (length (popup-list popup)) (popup-height popup)))))
- (setf (popup-cursor popup) scroll-top
- (popup-scroll-top popup) scroll-top)
- (popup-draw popup)))
-
-(defun popup-scroll-up (popup &optional n)
- "Scroll up N of POPUP and draw."
- (let ((scroll-top (max (- (popup-scroll-top popup) (or n 1))
- 0)))
- (setf (popup-cursor popup) scroll-top
- (popup-scroll-top popup) scroll-top)
- (popup-draw popup)))
-
-\f
-
-;;; Popup Incremental Search
-
-(defface popup-isearch-match
- '((t (:inherit default :background "sky blue")))
- "Popup isearch match face."
- :group 'popup)
-
-(defvar popup-isearch-cursor-color "blue")
-
-(defvar popup-isearch-keymap
- (let ((map (make-sparse-keymap)))
- ;(define-key map "\r" 'popup-isearch-done)
- (define-key map "\C-g" 'popup-isearch-cancel)
- (define-key map "\C-b" 'popup-isearch-close)
- (define-key map [left] 'popup-isearch-close)
- (define-key map "\C-h" 'popup-isearch-delete)
- (define-key map (kbd "DEL") 'popup-isearch-delete)
- (define-key map (kbd "C-y") 'popup-isearch-yank)
- map))
-
-(defvar popup-menu-show-quick-help-function 'popup-menu-show-quick-help
- "Function used for showing quick help by `popup-menu*'.")
-
-(defcustom popup-isearch-regexp-builder-function #'regexp-quote
- "Function used to construct a regexp from a pattern. You may for instance
- provide a function that replaces spaces by '.+' if you like helm or ivy style
- of completion."
- :type 'function)
-
-(defsubst popup-isearch-char-p (char)
- (and (integerp char)
- (<= 32 char)
- (<= char 126)))
-
-(defun popup-isearch-filter-list (pattern list)
- (cl-loop with regexp = (funcall popup-isearch-regexp-builder-function pattern)
- for item in list
- do
- (unless (stringp item)
- (setq item (popup-item-propertize (popup-x-to-string item)
- 'value item)))
- if (string-match regexp item)
- collect
- (let ((beg (match-beginning 0))
- (end (match-end 0)))
- (alter-text-property 0 (length item) 'face
- (lambda (prop)
- (unless (eq prop 'popup-isearch-match)
- prop))
- item)
- (put-text-property beg end
- 'face 'popup-isearch-match
- item)
- item)))
-
-(defun popup-isearch-prompt (popup pattern)
- (format "Pattern: %s" (if (= (length (popup-list popup)) 0)
- (propertize pattern 'face 'isearch-fail)
- pattern)))
-
-(defun popup-isearch-update (popup filter pattern &optional callback)
- (setf (popup-cursor popup) 0
- (popup-scroll-top popup) 0
- (popup-pattern popup) pattern)
- (let ((list (funcall filter pattern (popup-original-list popup))))
- (popup-set-filtered-list popup list)
- (if callback
- (funcall callback list)))
- (popup-draw popup))
-
-(cl-defun popup-isearch (popup
- &key
- (filter 'popup-isearch-filter-list)
- (cursor-color popup-isearch-cursor-color)
- (keymap popup-isearch-keymap)
- callback
- help-delay)
- "Start isearch on POPUP. This function is synchronized, meaning
-event loop waits for quiting of isearch.
-
-FILTER is function with two argumenst to perform popup items filtering.
-
-CURSOR-COLOR is a cursor color during isearch. The default value
-is `popup-isearch-cursor-color'.
-
-KEYMAP is a keymap which is used when processing events during
-event loop. The default value is `popup-isearch-keymap'.
-
-CALLBACK is a function taking one argument. `popup-isearch' calls
-CALLBACK, if specified, after isearch finished or isearch
-canceled. The arguments is whole filtered list of items.
-
-HELP-DELAY is a delay of displaying helps."
- (let ((list (popup-original-list popup))
- (pattern (or (popup-pattern popup) ""))
- (old-cursor-color (frame-parameter (selected-frame) 'cursor-color))
- prompt key binding)
- (unwind-protect
- (cl-block nil
- (if cursor-color
- (set-cursor-color cursor-color))
- (while t
- (setq prompt (popup-isearch-prompt popup pattern))
- (setq key (popup-menu-read-key-sequence keymap prompt help-delay))
- (if (null key)
- (unless (funcall popup-menu-show-quick-help-function popup nil :prompt prompt)
- (clear-this-command-keys)
- (push (read-event prompt) unread-command-events))
- (setq binding (lookup-key keymap key))
- (cond
- ((and (stringp key)
- (popup-isearch-char-p (aref key 0)))
- (setq pattern (concat pattern key)))
- ((eq binding 'popup-isearch-done)
- (cl-return nil))
- ((eq binding 'popup-isearch-cancel)
- (popup-isearch-update popup filter "" callback)
- (cl-return t))
- ((eq binding 'popup-isearch-close)
- (popup-isearch-update popup filter "" callback)
- (setq unread-command-events
- (append (listify-key-sequence key) unread-command-events))
- (cl-return nil))
- ((eq binding 'popup-isearch-delete)
- (if (> (length pattern) 0)
- (setq pattern (substring pattern 0 (1- (length pattern))))))
- ((eq binding 'popup-isearch-yank)
- (popup-isearch-update popup filter (car kill-ring) callback)
- (cl-return nil))
- (t
- (setq unread-command-events
- (append (listify-key-sequence key) unread-command-events))
- (cl-return nil)))
- (popup-isearch-update popup filter pattern callback))))
- (if old-cursor-color
- (set-cursor-color old-cursor-color)))))
-
-\f
-
-;;; Popup Tip
-
-(defface popup-tip-face
- '((t (:background "khaki1" :foreground "black")))
- "Face for popup tip."
- :group 'popup)
-
-(defvar popup-tip-max-width 80)
-
-(cl-defun popup-tip (string
- &key
- point
- (around t)
- width
- (height 15)
- min-height
- max-width
- truncate
- margin
- margin-left
- margin-right
- scroll-bar
- parent
- parent-offset
- nowait
- nostrip
- prompt
- &aux tip lines)
- "Show a tooltip of STRING at POINT. This function is
-synchronized unless NOWAIT specified. Almost all arguments are
-the same as in `popup-create', except for TRUNCATE, NOWAIT, and
-PROMPT.
-
-If TRUNCATE is non-nil, the tooltip can be truncated.
-
-If NOWAIT is non-nil, this function immediately returns the
-tooltip instance without entering event loop.
-
-If `NOSTRIP` is non-nil, `STRING` properties are not stripped.
-
-PROMPT is a prompt string when reading events during event loop."
- (if (bufferp string)
- (setq string (with-current-buffer string (buffer-string))))
-
- (unless nostrip
- ;; TODO strip text (mainly face) properties
- (setq string (substring-no-properties string)))
-
- (and (eq margin t) (setq margin 1))
- (or margin-left (setq margin-left margin))
- (or margin-right (setq margin-right margin))
-
- (let ((it (popup-fill-string string width popup-tip-max-width)))
- (setq width (car it)
- lines (cdr it)))
-
- (setq tip (popup-create point width height
- :min-height min-height
- :max-width max-width
- :around around
- :margin-left margin-left
- :margin-right margin-right
- :scroll-bar scroll-bar
- :face 'popup-tip-face
- :parent parent
- :parent-offset parent-offset))
-
- (unwind-protect
- (when (> (popup-width tip) 0) ; not to be corrupted
- (when (and (not (eq width (popup-width tip))) ; truncated
- (not truncate))
- ;; Refill once again to lines be fitted to popup width
- (setq width (popup-width tip))
- (setq lines (cdr (popup-fill-string string width width))))
-
- (popup-set-list tip lines)
- (popup-draw tip)
- (if nowait
- tip
- (clear-this-command-keys)
- (push (read-event prompt) unread-command-events)
- t))
- (unless nowait
- (popup-delete tip))))
-
-\f
-
-;;; Popup Menu
-
-(defface popup-menu-face
- '((t (:inherit popup-face)))
- "Face for popup menu."
- :group 'popup)
-
-(defface popup-menu-mouse-face
- '((t (:background "blue" :foreground "white")))
- "Face for popup menu."
- :group 'popup)
-
-(defface popup-menu-selection-face
- '((t (:inherit default :background "steelblue" :foreground "white")))
- "Face for popup menu selection."
- :group 'popup)
-
-(defface popup-menu-summary-face
- '((t (:inherit popup-summary-face)))
- "Face for popup summary."
- :group 'popup)
-
-(defvar popup-menu-show-tip-function 'popup-tip
- "Function used for showing tooltip by `popup-menu-show-quick-help'.")
-
-(defun popup-menu-show-help (menu &optional persist item)
- (popup-item-show-help (or item (popup-selected-item menu)) persist))
-
-(defun popup-menu-documentation (menu &optional item)
- (popup-item-documentation (or item (popup-selected-item menu))))
-
-(defun popup-menu-show-quick-help (menu &optional item &rest args)
- (let* ((point (plist-get args :point))
- (height (or (plist-get args :height) (popup-height menu)))
- (min-height (min height (popup-current-height menu)))
- (around nil)
- (parent-offset (popup-offset menu))
- (doc (popup-menu-documentation menu item)))
- (when (stringp doc)
- (if (popup-hidden-p menu)
- (setq around t
- menu nil
- parent-offset nil)
- (setq point nil))
- (let ((popup-use-optimized-column-computation nil)) ; To avoid wrong positioning
- (apply popup-menu-show-tip-function
- doc
- :point point
- :height height
- :min-height min-height
- :around around
- :parent menu
- :parent-offset parent-offset
- args)))))
-
-(defun popup-menu-item-of-mouse-event (event)
- (when (and (consp event)
- (memq (cl-first event) '(mouse-1 mouse-2 mouse-3 mouse-4 mouse-5)))
- (let* ((position (cl-second event))
- (object (elt position 4)))
- (when (consp object)
- (get-text-property (cdr object) 'popup-item (car object))))))
-
-(defun popup-menu-read-key-sequence (keymap &optional prompt timeout)
- (catch 'timeout
- (let ((timer (and timeout
- (run-with-timer timeout nil
- (lambda ()
- (if (zerop (length (this-command-keys)))
- (throw 'timeout nil))))))
- (old-global-map (current-global-map))
- (temp-global-map (make-sparse-keymap))
- (overriding-terminal-local-map (make-sparse-keymap)))
- (substitute-key-definition 'keyboard-quit 'keyboard-quit
- temp-global-map old-global-map)
- (define-key temp-global-map [menu-bar] (lookup-key old-global-map [menu-bar]))
- (define-key temp-global-map [tool-bar] (lookup-key old-global-map [tool-bar]))
- (set-keymap-parent overriding-terminal-local-map keymap)
- (if (current-local-map)
- (define-key overriding-terminal-local-map [menu-bar]
- (lookup-key (current-local-map) [menu-bar])))
- (unwind-protect
- (progn
- (use-global-map temp-global-map)
- (clear-this-command-keys)
- (with-temp-message prompt
- (read-key-sequence nil)))
- (use-global-map old-global-map)
- (if timer (cancel-timer timer))))))
-
-(defun popup-menu-fallback (event default))
-
-(cl-defun popup-menu-event-loop (menu
- keymap
- fallback
- &key
- prompt
- help-delay
- isearch
- isearch-filter
- isearch-cursor-color
- isearch-keymap
- isearch-callback
- &aux key binding)
- (cl-block nil
- (while (popup-live-p menu)
- (and isearch
- (popup-isearch menu
- :filter isearch-filter
- :cursor-color isearch-cursor-color
- :keymap isearch-keymap
- :callback isearch-callback
- :help-delay help-delay)
- (keyboard-quit))
- (setq key (popup-menu-read-key-sequence keymap prompt help-delay))
- (setq binding (and key (lookup-key keymap key)))
- (cond
- ((or (null key) (zerop (length key)))
- (unless (funcall popup-menu-show-quick-help-function menu nil :prompt prompt)
- (clear-this-command-keys)
- (push (read-event prompt) unread-command-events)))
- ((eq (lookup-key (current-global-map) key) 'keyboard-quit)
- (keyboard-quit)
- (cl-return))
- ((eq binding 'popup-close)
- (if (popup-parent menu)
- (cl-return)))
- ((memq binding '(popup-select popup-open))
- (let* ((item (or (popup-menu-item-of-mouse-event (elt key 0))
- (popup-selected-item menu)))
- (index (cl-position item (popup-list menu)))
- (sublist (popup-item-sublist item)))
- (unless index (cl-return))
- (if sublist
- (popup-aif (let (popup-use-optimized-column-computation)
- (popup-cascade-menu sublist
- :around nil
- :margin-left (popup-margin-left menu)
- :margin-right (popup-margin-right menu)
- :scroll-bar (popup-scroll-bar menu)
- :parent menu
- :parent-offset index
- :help-delay help-delay
- :isearch isearch
- :isearch-filter isearch-filter
- :isearch-cursor-color isearch-cursor-color
- :isearch-keymap isearch-keymap
- :isearch-callback isearch-callback))
- (and it (cl-return it)))
- (if (eq binding 'popup-select)
- (cl-return (popup-item-value-or-self item))))))
- ((eq binding 'popup-next)
- (popup-next menu))
- ((eq binding 'popup-previous)
- (popup-previous menu))
- ((eq binding 'popup-page-next)
- (popup-page-next menu))
- ((eq binding 'popup-page-previous)
- (popup-page-previous menu))
- ((eq binding 'popup-help)
- (popup-menu-show-help menu))
- ((eq binding 'popup-isearch)
- (popup-isearch menu
- :filter isearch-filter
- :cursor-color isearch-cursor-color
- :keymap isearch-keymap
- :callback isearch-callback
- :help-delay help-delay))
- ((commandp binding)
- (call-interactively binding))
- (t
- (funcall fallback key (key-binding key)))))))
-
-(defun popup-preferred-width (list)
- "Return the preferred width to show LIST beautifully."
- (cl-loop with tab-width = 4
- for item in list
- for summary = (popup-item-summary item)
- maximize (string-width (popup-x-to-string item)) into width
- if (stringp summary)
- maximize (+ (string-width summary) 2) into summary-width
- finally return
- (let ((total (+ (or width 0) (or summary-width 0))))
- (* (ceiling (/ total 10.0)) 10))))
-
-(defvar popup-menu-keymap
- (let ((map (make-sparse-keymap)))
- (define-key map "\r" 'popup-select)
- (define-key map "\C-f" 'popup-open)
- (define-key map [right] 'popup-open)
- (define-key map "\C-b" 'popup-close)
- (define-key map [left] 'popup-close)
-
- (define-key map "\C-n" 'popup-next)
- (define-key map [down] 'popup-next)
- (define-key map "\C-p" 'popup-previous)
- (define-key map [up] 'popup-previous)
-
- (define-key map [next] 'popup-page-next)
- (define-key map [prior] 'popup-page-previous)
-
- (define-key map [f1] 'popup-help)
- (define-key map (kbd "\C-?") 'popup-help)
-
- (define-key map "\C-s" 'popup-isearch)
-
- (define-key map [mouse-1] 'popup-select)
- (define-key map [mouse-4] 'popup-previous)
- (define-key map [mouse-5] 'popup-next)
- map))
-
-(cl-defun popup-menu* (list
- &key
- point
- (around t)
- (width (popup-preferred-width list))
- (height 15)
- max-width
- margin
- margin-left
- margin-right
- scroll-bar
- symbol
- parent
- parent-offset
- cursor
- (keymap popup-menu-keymap)
- (fallback 'popup-menu-fallback)
- help-delay
- nowait
- prompt
- isearch
- (isearch-filter 'popup-isearch-filter-list)
- (isearch-cursor-color popup-isearch-cursor-color)
- (isearch-keymap popup-isearch-keymap)
- isearch-callback
- initial-index
- &aux menu event)
- "Show a popup menu of LIST at POINT. This function returns a
-value of the selected item. Almost all arguments are the same as in
-`popup-create', except for KEYMAP, FALLBACK, HELP-DELAY, PROMPT,
-ISEARCH, ISEARCH-FILTER, ISEARCH-CURSOR-COLOR, ISEARCH-KEYMAP, and
-ISEARCH-CALLBACK.
-
-If KEYMAP is a keymap which is used when processing events during
-event loop.
-
-If FALLBACK is a function taking two arguments; a key and a
-command. FALLBACK is called when no special operation is found on
-the key. The default value is `popup-menu-fallback', which does
-nothing.
-
-HELP-DELAY is a delay of displaying helps.
-
-If NOWAIT is non-nil, this function immediately returns the menu
-instance without entering event loop.
-
-PROMPT is a prompt string when reading events during event loop.
-
-If ISEARCH is non-nil, do isearch as soon as displaying the popup
-menu.
-
-ISEARCH-FILTER is a filtering function taking two arguments:
-search pattern and list of items. Returns a list of matching items.
-
-ISEARCH-CURSOR-COLOR is a cursor color during isearch. The
-default value is `popup-isearch-cursor-color'.
-
-ISEARCH-KEYMAP is a keymap which is used when processing events
-during event loop. The default value is `popup-isearch-keymap'.
-
-ISEARCH-CALLBACK is a function taking one argument. `popup-menu'
-calls ISEARCH-CALLBACK, if specified, after isearch finished or
-isearch canceled. The arguments is whole filtered list of items.
-
-If `INITIAL-INDEX' is non-nil, this is an initial index value for
-`popup-select'. Only positive integer is valid."
- (and (eq margin t) (setq margin 1))
- (or margin-left (setq margin-left margin))
- (or margin-right (setq margin-right margin))
- (if (and scroll-bar
- (integerp margin-right)
- (> margin-right 0))
- ;; Make scroll-bar space as margin-right
- (cl-decf margin-right))
- (setq menu (popup-create point width height
- :max-width max-width
- :around around
- :face 'popup-menu-face
- :mouse-face 'popup-menu-mouse-face
- :selection-face 'popup-menu-selection-face
- :summary-face 'popup-menu-summary-face
- :margin-left margin-left
- :margin-right margin-right
- :scroll-bar scroll-bar
- :symbol symbol
- :parent parent
- :parent-offset parent-offset))
- (unwind-protect
- (progn
- (popup-set-list menu list)
- (if cursor
- (popup-jump menu cursor)
- (popup-draw menu))
- (when initial-index
- (dotimes (_i (min (- (length list) 1) initial-index))
- (popup-next menu)))
- (if nowait
- menu
- (popup-menu-event-loop menu keymap fallback
- :prompt prompt
- :help-delay help-delay
- :isearch isearch
- :isearch-filter isearch-filter
- :isearch-cursor-color isearch-cursor-color
- :isearch-keymap isearch-keymap
- :isearch-callback isearch-callback)))
- (unless nowait
- (popup-delete menu))))
-
-(defun popup-cascade-menu (list &rest args)
- "Same as `popup-menu' except that an element of LIST can be
-also a sub-menu if the element is a cons cell formed (ITEM
-. SUBLIST) where ITEM is an usual item and SUBLIST is a list of
-the sub menu."
- (apply 'popup-menu*
- (mapcar (lambda (item)
- (if (consp item)
- (popup-make-item (car item)
- :sublist (cdr item)
- :symbol ">")
- item))
- list)
- :symbol t
- args))
-
-(provide 'popup)
-;;; popup.el ends here
--- /dev/null
+;;; popup-autoloads.el --- automatically extracted autoloads -*- lexical-binding: t -*-
+;;
+;;; Code:
+
+(add-to-list 'load-path (directory-file-name
+ (or (file-name-directory #$) (car load-path))))
+
+\f
+;;;### (autoloads nil "popup" "popup.el" (0 0 0 0))
+;;; Generated autoloads from popup.el
+
+(register-definition-prefixes "popup" '("popup-"))
+
+;;;***
+\f
+;;;### (autoloads nil nil ("popup-pkg.el") (0 0 0 0))
+
+;;;***
+\f
+;; Local Variables:
+;; version-control: never
+;; no-byte-compile: t
+;; no-update-autoloads: t
+;; coding: utf-8
+;; End:
+;;; popup-autoloads.el ends here
--- /dev/null
+(define-package "popup" "20221231.1634" "Visual Popup User Interface"
+ '((emacs "24.3"))
+ :commit "71cede0588c10526f88dd0375bce776ec2eed05e" :authors
+ '(("Tomohiro Matsuyama" . "m2ym.pubNOSPAMgmail.com"))
+ :maintainers
+ '(("Shen, Jen-Chieh" . "jcs090218NOSPAMgmail.com"))
+ :maintainer
+ '("Shen, Jen-Chieh" . "jcs090218NOSPAMgmail.com")
+ :keywords
+ '("lisp")
+ :url "https://github.com/auto-complete/popup-el")
+;; Local Variables:
+;; no-byte-compile: t
+;; End:
--- /dev/null
+;;; popup.el --- Visual Popup User Interface
+
+;; Copyright (C) 2009-2015 Tomohiro Matsuyama
+;; Copyright (c) 2020-2023 Jen-Chieh Shen
+
+;; Author: Tomohiro Matsuyama <m2ym.pubNOSPAMgmail.com>
+;; Maintainer: Shen, Jen-Chieh <jcs090218NOSPAMgmail.com>
+;; URL: https://github.com/auto-complete/popup-el
+;; Keywords: lisp
+;; Version: 0.5.9
+;; Package-Requires: ((emacs "24.3"))
+
+;; 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 <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; popup.el is a visual popup user interface library for Emacs. This
+;; provides a basic API and common UI widgets such as popup tooltips
+;; and popup menus.
+;; See README.markdown for more information.
+
+;;; Code:
+
+(require 'cl-lib)
+(require 'mule)
+
+(defconst popup-version "0.5.9")
+
+\f
+
+;;; Utilities
+
+(defun popup-calculate-max-width (max-width)
+ "Determines whether the width with MAX-WIDTH desired is character or window
+proportion based, And return the result."
+ (cl-typecase max-width
+ (integer max-width)
+ (float (* (ceiling (/ (round (* max-width (window-width))) 10.0)) 10))))
+
+(defvar popup-use-optimized-column-computation t
+ "Use the optimized column computation routine.
+If there is a problem, please set it nil.")
+
+(defmacro popup-aif (test then &rest else)
+ "Anaphoric if."
+ (declare (indent 2))
+ `(let ((it ,test))
+ (if it ,then ,@else)))
+
+(defmacro popup-awhen (test &rest body)
+ "Anaphoric when."
+ (declare (indent 1))
+ `(let ((it ,test))
+ (when it ,@body)))
+
+(defun popup-x-to-string (x)
+ "Convert any object to string efficiently.
+This is faster than `prin1-to-string' in many cases."
+ (cl-typecase x
+ (string x)
+ (symbol (symbol-name x))
+ (integer (number-to-string x))
+ (float (number-to-string x))
+ (t (format "%s" x))))
+
+(defun popup-substring-by-width (string width)
+ "Return a cons cell of substring and remaining string by
+splitting with WIDTH."
+ ;; Expand tabs into 4 spaces
+ (setq string (replace-regexp-in-string "\t" " " string))
+ (cl-loop with len = (length string)
+ with w = 0
+ for l from 0
+ for c in (append string nil)
+ while (<= (cl-incf w (char-width c)) width)
+ finally return
+ (if (< l len)
+ (cons (substring string 0 l) (substring string l))
+ (list string))))
+
+(defun popup-fill-string (string &optional width max-width justify squeeze)
+ "Split STRING into fixed width strings and return a cons cell
+like \(WIDTH . ROWS). Here, the car WIDTH indicates the actual
+maxim width of ROWS.
+
+The argument WIDTH specifies the width of filling each
+paragraph. WIDTH nil means don't perform any justification and
+word wrap. Note that this function doesn't add any padding
+characters at the end of each row.
+
+MAX-WIDTH, if WIDTH is nil, specifies the maximum number of
+columns.
+
+The optional fourth argument JUSTIFY specifies which kind of
+justification to do: `full', `left', `right', `center', or
+`none' (equivalent to nil). A value of t means handle each
+paragraph as specified by its text properties.
+
+SQUEEZE nil means leave whitespaces other than line breaks
+untouched."
+ (if (eq width 0)
+ (error "Can't fill string with 0 width"))
+ (if width
+ (setq max-width width))
+ (with-temp-buffer
+ (let ((tab-width 4)
+ (fill-column width)
+ (left-margin 0)
+ (kinsoku-limit 1)
+ indent-tabs-mode
+ row rows)
+ (insert string)
+ (untabify (point-min) (point-max))
+ (if width
+ (fill-region (point-min) (point-max) justify (not squeeze)))
+ (goto-char (point-min))
+ (setq width 0)
+ (while (prog2
+ (let ((line (buffer-substring
+ (point) (progn (end-of-line) (point)))))
+ (if max-width
+ (while (progn
+ (setq row (truncate-string-to-width line max-width)
+ width (max width (string-width row)))
+ (push row rows)
+ (if (not (= (length row) (length line)))
+ (setq line (substring line (length row))))))
+ (setq width (max width (string-width line)))
+ (push line rows)))
+ (< (point) (point-max))
+ (beginning-of-line 2)))
+ (cons width (nreverse rows)))))
+
+(defmacro popup-save-buffer-state (&rest body)
+ (declare (indent 0))
+ `(save-excursion
+ (let ((buffer-undo-list t)
+ (inhibit-read-only t)
+ (modified (buffer-modified-p)))
+ (unwind-protect
+ (progn ,@body)
+ (set-buffer-modified-p modified)))))
+
+(defun popup-vertical-motion (column direction)
+ "A portable version of `vertical-motion'."
+ (when (bound-and-true-p display-line-numbers-mode)
+ (setq column (- column (line-number-display-width 'columns))))
+ (if (>= emacs-major-version 23)
+ (vertical-motion (cons column direction))
+ (vertical-motion direction)
+ (move-to-column (+ (current-column) column))))
+
+(defun popup-last-line-of-buffer-p ()
+ "Return non-nil if the cursor is at the last line of the
+buffer."
+ (save-excursion (end-of-line) (/= (forward-line) 0)))
+
+(defun popup-lookup-key-by-event (function event)
+ (or (funcall function (vector event))
+ (if (symbolp event)
+ (popup-aif (get event 'event-symbol-element-mask)
+ (funcall function
+ (vector (logior (or (get (car it) 'ascii-character)
+ 0)
+ (cadr it))))))))
+
+\f
+
+;;; Core
+
+(defgroup popup nil
+ "Visual Popup User Interface"
+ :group 'lisp
+ :prefix "popup-")
+
+(defface popup-face
+ '((t (:inherit default :background "lightgray" :foreground "black")))
+ "Face for popup."
+ :group 'popup)
+
+(defface popup-summary-face
+ '((t (:inherit popup-face :foreground "dimgray")))
+ "Face for popup summary."
+ :group 'popup)
+
+(defface popup-scroll-bar-foreground-face
+ '((t (:background "black")))
+ "Foreground face for scroll-bar."
+ :group 'popup)
+
+(defface popup-scroll-bar-background-face
+ '((t (:background "gray")))
+ "Background face for scroll-bar."
+ :group 'popup)
+
+(defvar popup-instances nil
+ "Popup instances.")
+
+(defvar popup-scroll-bar-foreground-char
+ (propertize " " 'face 'popup-scroll-bar-foreground-face)
+ "Foreground character for scroll-bar.")
+
+(defvar popup-scroll-bar-background-char
+ (propertize " " 'face 'popup-scroll-bar-background-face)
+ "Background character for scroll-bar.")
+
+(cl-defstruct popup
+ point row column width height min-height direction overlays keymap
+ parent depth
+ face mouse-face selection-face summary-face
+ margin-left margin-right margin-left-cancel scroll-bar symbol
+ cursor offset scroll-top current-height list newlines
+ pattern original-list invis-overlays)
+
+(defun popup-item-propertize (item &rest properties)
+ "Same as `propertize' except that this avoids overriding
+existed value with `nil' property."
+ (cl-loop for (k v) on properties by 'cddr
+ if v append (list k v) into props
+ finally return
+ (apply 'propertize
+ (popup-x-to-string item)
+ props)))
+
+(defun popup-item-property (item property)
+ "Same as `get-text-property' except that this returns nil if
+ITEM is not string."
+ (if (stringp item)
+ (get-text-property 0 property item)))
+
+(defun popup-replace-displayable (str &optional rep)
+ "Replace non-displayable character from STR.
+
+Optional argument REP is the replacement string of
+non-displayable character."
+ (let ((rep (or rep ""))
+ (results (list)))
+ (dolist (string (split-string str ""))
+ (let* ((char (string-to-char string))
+ (string (if (char-displayable-p char)
+ string
+ rep)))
+ (push string results)))
+ (string-join (reverse results))))
+
+(cl-defun popup-make-item (name
+ &key
+ value
+ face
+ mouse-face
+ selection-face
+ sublist
+ document
+ symbol
+ summary)
+ "Utility function to make popup item. See also
+`popup-item-propertize'."
+ (popup-item-propertize name
+ 'value value
+ 'popup-face face
+ 'popup-mouse-face mouse-face
+ 'selection-face selection-face
+ 'document document
+ 'symbol symbol
+ 'summary summary
+ 'sublist sublist))
+
+(defsubst popup-item-value (item) (popup-item-property item 'value))
+(defsubst popup-item-value-or-self (item) (or (popup-item-value item) item))
+(defsubst popup-item-face (item) (popup-item-property item 'popup-face))
+(defsubst popup-item-mouse-face (item) (popup-item-property item 'popup-mouse-face))
+(defsubst popup-item-selection-face (item) (popup-item-property item 'selection-face))
+(defsubst popup-item-document (item) (popup-item-property item 'document))
+(defsubst popup-item-summary (item) (popup-item-property item 'summary))
+(defsubst popup-item-symbol (item) (popup-item-property item 'symbol))
+(defsubst popup-item-sublist (item) (popup-item-property item 'sublist))
+
+(defun popup-item-documentation (item)
+ (let ((doc (popup-item-document item)))
+ (if (functionp doc)
+ (setq doc (funcall doc (popup-item-value-or-self item))))
+ doc))
+
+(defun popup-item-show-help-1 (item)
+ (let ((doc (popup-item-documentation item)))
+ (when doc
+ (with-current-buffer (get-buffer-create " *Popup Help*")
+ (erase-buffer)
+ (insert doc)
+ (goto-char (point-min))
+ (display-buffer (current-buffer)))
+ t)))
+
+(defun popup-item-show-help-with-event-loop (item)
+ (save-window-excursion
+ (when (popup-item-show-help-1 item)
+ (cl-loop do (clear-this-command-keys)
+ for key = (read-key-sequence-vector nil)
+ do
+ (cl-case (key-binding key)
+ (scroll-other-window
+ (scroll-other-window))
+ (scroll-other-window-down
+ (scroll-other-window-down nil))
+ (otherwise
+ (setq unread-command-events (append key unread-command-events))
+ (cl-return)))))))
+
+(defun popup-item-show-help (item &optional persist)
+ "Display the documentation of ITEM with `display-buffer'. If
+PERSIST is nil, the documentation buffer will be closed
+automatically, meaning interal event loop ensures the buffer to
+be closed. Otherwise, the buffer will be just displayed as
+usual."
+ (when item
+ (if (not persist)
+ (popup-item-show-help-with-event-loop item)
+ (popup-item-show-help-1 item))))
+
+(defun popup-set-list (popup list)
+ (popup-set-filtered-list popup list)
+ (setf (popup-pattern popup) nil)
+ (setf (popup-original-list popup) list))
+
+(defun popup-set-filtered-list (popup list)
+ (let ((offset
+ (if (> (popup-direction popup) 0)
+ 0
+ (max (- (popup-height popup) (length list)) 0))))
+ (setf (popup-list popup) list
+ (popup-offset popup) offset)))
+
+(defun popup-selected-item (popup)
+ (nth (popup-cursor popup) (popup-list popup)))
+
+(defun popup-selected-line (popup)
+ (- (popup-cursor popup) (popup-scroll-top popup)))
+
+(defun popup-line-overlay (popup line)
+ (aref (popup-overlays popup) line))
+
+(defun popup-selected-line-overlay (popup)
+ (popup-line-overlay popup (popup-selected-line popup)))
+
+(defun popup-hide-line (popup line)
+ (let ((overlay (popup-line-overlay popup line)))
+ (overlay-put overlay 'display nil)
+ (overlay-put overlay 'after-string nil)))
+
+(defun popup-line-hidden-p (popup line)
+ (let ((overlay (popup-line-overlay popup line)))
+ (and (eq (overlay-get overlay 'display) nil)
+ (eq (overlay-get overlay 'after-string) nil))))
+
+(cl-defun popup-set-line-item (popup
+ line
+ &key
+ item
+ face
+ mouse-face
+ margin-left
+ margin-right
+ scroll-bar-char
+ symbol
+ summary
+ summary-face
+ keymap)
+ (let* ((overlay (popup-line-overlay popup line))
+ (content (popup-create-line-string popup (popup-x-to-string item)
+ :margin-left margin-left
+ :margin-right margin-right
+ :symbol symbol
+ :summary summary
+ :summary-face summary-face))
+ (start 0)
+ (prefix (overlay-get overlay 'prefix))
+ (postfix (overlay-get overlay 'postfix))
+ end)
+ (put-text-property 0 (length content) 'popup-item item content)
+ (put-text-property 0 (length content) 'keymap keymap content)
+ ;; Overlap face properties
+ (when (get-text-property start 'face content)
+ (setq start (next-single-property-change start 'face content)))
+ (while (and start (setq end (next-single-property-change start 'face content)))
+ (put-text-property start end 'face face content)
+ (setq start (next-single-property-change end 'face content)))
+ (when start
+ (put-text-property start (length content) 'face face content))
+ (when mouse-face
+ (put-text-property 0 (length content) 'mouse-face mouse-face content))
+ (let ((prop (if (overlay-get overlay 'dangle)
+ 'after-string
+ 'display)))
+ (overlay-put overlay
+ prop
+ (concat prefix
+ content
+ scroll-bar-char
+ postfix)))))
+
+(cl-defun popup-create-line-string (popup
+ string
+ &key
+ margin-left
+ margin-right
+ symbol
+ summary
+ summary-face)
+ (let* ((popup-width (popup-width popup))
+ (summary-width (string-width summary))
+ (content-width (max
+ (min popup-width (string-width string))
+ (- popup-width
+ (if (> summary-width 0)
+ (+ summary-width 2)
+ 0))))
+ (string (car (popup-substring-by-width string content-width)))
+ (string-width (string-width string))
+ (spacing (max (- popup-width string-width summary-width)
+ (if (> popup-width string-width) 1 0)))
+ (truncated-summary
+ (car (popup-substring-by-width
+ summary (max (- popup-width string-width spacing) 0)))))
+ (when summary-face
+ (put-text-property 0 (length truncated-summary)
+ 'face summary-face truncated-summary))
+ (concat margin-left
+ string
+ (make-string spacing ? )
+ truncated-summary
+ symbol
+ margin-right)))
+
+(defun popup-live-p (popup)
+ "Return non-nil if POPUP is alive."
+ (and popup (popup-overlays popup) t))
+
+(defun popup-child-point (popup &optional offset)
+ (overlay-end
+ (popup-line-overlay
+ popup
+ (or offset
+ (popup-selected-line popup)))))
+
+(defun popup-calculate-direction (height row)
+ "Return a proper direction when displaying a popup on this
+window. HEIGHT is the a height of the popup, and ROW is a line
+number at the point."
+ (let* ((remaining-rows (- (max 1 (- (window-text-height)
+ (if mode-line-format 1 0)
+ (if header-line-format 1 0)))
+ (count-lines (window-start) (point))))
+ (enough-space-above (> row height))
+ (enough-space-below (<= height remaining-rows)))
+ (if (and enough-space-above
+ (not enough-space-below))
+ -1
+ 1)))
+
+(cl-defun popup-create (point
+ width
+ height
+ &key
+ min-height
+ max-width
+ around
+ (face 'popup-face)
+ mouse-face
+ (selection-face face)
+ (summary-face 'popup-summary-face)
+ scroll-bar
+ margin-left
+ margin-right
+ symbol
+ parent
+ parent-offset
+ keymap)
+ "Create a popup instance at POINT with WIDTH and HEIGHT.
+
+MIN-HEIGHT is a minimal height of the popup. The default value is
+0.
+
+MAX-WIDTH is the maximum width of the popup. The default value is
+nil (no limit). If a floating point, the value refers to the ratio of
+the window. If an integer, limit is in characters.
+
+If AROUND is non-nil, the popup will be displayed around the
+point but not at the point.
+
+FACE is a background face of the popup. The default value is POPUP-FACE.
+
+SELECTION-FACE is a foreground (selection) face of the popup The
+default value is POPUP-FACE.
+
+If SCROLL-BAR is non-nil, the popup will have a scroll bar at the
+right.
+
+If MARGIN-LEFT is non-nil, the popup will have a margin at the
+left.
+
+If MARGIN-RIGHT is non-nil, the popup will have a margin at the
+right.
+
+SYMBOL is a single character which indicates a kind of the item.
+
+PARENT is a parent popup instance. If PARENT is omitted, the
+popup will be a root instance.
+
+PARENT-OFFSET is a row offset from the parent popup.
+
+KEYMAP is a keymap that will be put on the popup contents."
+ (or margin-left (setq margin-left 0))
+ (or margin-right (setq margin-right 0))
+ (unless point
+ (setq point
+ (if parent (popup-child-point parent parent-offset) (point))))
+ (when max-width
+ (setq width (min width (popup-calculate-max-width max-width))))
+ (save-excursion
+ (goto-char point)
+ (let* ((col-row (posn-col-row (posn-at-point)))
+ (row (cdr col-row))
+ (column (car col-row))
+ (overlays (make-vector height nil))
+ (popup-width (+ width
+ (if scroll-bar 1 0)
+ margin-left
+ margin-right
+ (if symbol 2 0)))
+ margin-left-cancel
+ (window (selected-window))
+ (window-start (window-start))
+ (window-hscroll (window-hscroll))
+ (window-width (window-width))
+ (right (+ column popup-width))
+ (overflow (and (> right window-width)
+ (>= right popup-width)))
+ (foldable (and (null parent)
+ (>= column popup-width)))
+ (direction (or
+ ;; Currently the direction of cascade popup won't be changed
+ (and parent (popup-direction parent))
+
+ ;; Calculate direction
+ (popup-calculate-direction height row)))
+ (depth (if parent (1+ (popup-depth parent)) 0))
+ (newlines (max 0 (+ (- height (count-lines point (point-max))) (if around 1 0))))
+ invis-overlays
+ current-column)
+ ;; Case: no newlines at the end of the buffer
+ (when (> newlines 0)
+ (popup-save-buffer-state
+ (goto-char (point-max))
+ (insert (make-string newlines ?\n))))
+
+ ;; Case: the popup overflows
+ (if overflow
+ (if foldable
+ (progn
+ (cl-decf column (- popup-width margin-left margin-right))
+ (unless around (move-to-column column)))
+ (when (not truncate-lines)
+ ;; Truncate.
+ (let ((d (1+ (- popup-width (- window-width column)))))
+ (cl-decf popup-width d)
+ (cl-decf width d)))
+ (cl-decf column margin-left))
+ (cl-decf column margin-left))
+
+ ;; Case: no space at the left
+ (when (and (null parent)
+ (< column 0))
+ ;; Cancel margin left
+ (setq column 0)
+ (cl-decf popup-width margin-left)
+ (setq margin-left-cancel t))
+
+ (dotimes (i height)
+ (let (overlay begin w (dangle t) (prefix "") (postfix ""))
+ (when around
+ (popup-vertical-motion column direction))
+ (cl-loop for ov in (overlays-in (save-excursion
+ (beginning-of-visual-line)
+ (point))
+ (save-excursion
+ (end-of-visual-line)
+ (point)))
+ when (and (not (overlay-get ov 'popup))
+ (not (overlay-get ov 'popup-item))
+ (or (overlay-get ov 'invisible)
+ (overlay-get ov 'display)))
+ do (progn
+ (push (list ov (overlay-get ov 'display)) invis-overlays)
+ (overlay-put ov 'display "")))
+ (setq around t)
+ (setq current-column (car (posn-col-row (posn-at-point))))
+
+ (when (< current-column column)
+ ;; Extend short buffer lines by popup prefix (line of spaces)
+ (setq prefix (make-string
+ (+ (if (= current-column 0)
+ (- window-hscroll current-column)
+ 0)
+ (- column current-column))
+ ? )))
+
+ (setq begin (point))
+ (setq w (+ popup-width (length prefix)))
+ (while (and (not (eolp)) (> w 0))
+ (setq dangle nil)
+ (cl-decf w (char-width (char-after)))
+ (forward-char))
+ (if (< w 0)
+ (setq postfix (make-string (- w) ? )))
+
+ (setq overlay (make-overlay begin (point)))
+ (overlay-put overlay 'popup t)
+ (overlay-put overlay 'window window)
+ (overlay-put overlay 'dangle dangle)
+ (overlay-put overlay 'prefix prefix)
+ (overlay-put overlay 'postfix postfix)
+ (overlay-put overlay 'width width)
+ (aset overlays
+ (if (> direction 0) i (- height i 1))
+ overlay)))
+ (cl-loop for p from (- 10000 (* depth 1000))
+ for overlay in (nreverse (append overlays nil))
+ do (overlay-put overlay 'priority p))
+ (let ((it (make-popup :point point
+ :row row
+ :column column
+ :width width
+ :height height
+ :min-height min-height
+ :direction direction
+ :parent parent
+ :depth depth
+ :face face
+ :mouse-face mouse-face
+ :selection-face selection-face
+ :summary-face summary-face
+ :margin-left margin-left
+ :margin-right margin-right
+ :margin-left-cancel margin-left-cancel
+ :scroll-bar scroll-bar
+ :symbol symbol
+ :cursor 0
+ :offset 0
+ :scroll-top 0
+ :current-height 0
+ :list nil
+ :newlines newlines
+ :overlays overlays
+ :invis-overlays invis-overlays
+ :keymap keymap)))
+ (push it popup-instances)
+ it))))
+
+(defun popup-delete (popup)
+ "Delete POPUP instance."
+ (when (popup-live-p popup)
+ (popup-hide popup)
+ (mapc 'delete-overlay (popup-overlays popup))
+ (setf (popup-overlays popup) nil)
+ (setq popup-instances (delq popup popup-instances))
+ ;; Restore newlines state
+ (let ((newlines (popup-newlines popup)))
+ (when (> newlines 0)
+ (popup-save-buffer-state
+ (goto-char (point-max))
+ (dotimes (i newlines)
+ (if (and (char-before)
+ (= (char-before) ?\n))
+ (delete-char -1)))))))
+ nil)
+
+(defun popup-draw (popup)
+ "Draw POPUP."
+ (cl-loop for (ov olddisplay) in (popup-invis-overlays popup)
+ do (overlay-put ov 'display ""))
+
+ (cl-loop with height = (popup-height popup)
+ with min-height = (popup-min-height popup)
+ with popup-face = (popup-face popup)
+ with mouse-face = (popup-mouse-face popup)
+ with selection-face = (popup-selection-face popup)
+ with summary-face-0 = (popup-summary-face popup)
+ with list = (popup-list popup)
+ with length = (length list)
+ with thum-size = (max (/ (* height height) (max length 1)) 1)
+ with page-size = (/ (+ 0.0 (max length 1)) height)
+ with scroll-bar = (popup-scroll-bar popup)
+ with margin-left = (make-string (if (popup-margin-left-cancel popup) 0 (popup-margin-left popup)) ? )
+ with margin-right = (make-string (popup-margin-right popup) ? )
+ with symbol = (popup-symbol popup)
+ with cursor = (popup-cursor popup)
+ with scroll-top = (popup-scroll-top popup)
+ with offset = (popup-offset popup)
+ with keymap = (popup-keymap popup)
+ for o from offset
+ for i from scroll-top
+ while (< o height)
+ for item in (nthcdr scroll-top list)
+ for page-index = (* thum-size (/ o thum-size))
+ for face = (if (= i cursor)
+ (or (popup-item-selection-face item) selection-face)
+ (or (popup-item-face item) popup-face))
+ for summary-face = (unless (= i cursor) summary-face-0)
+ for empty-char = (propertize " " 'face face)
+ for scroll-bar-char = (if scroll-bar
+ (cond
+ ((and (not (eq scroll-bar :always))
+ (<= page-size 1))
+ empty-char)
+ ((and (> page-size 1)
+ (>= cursor (* page-index page-size))
+ (< cursor (* (+ page-index thum-size) page-size)))
+ popup-scroll-bar-foreground-char)
+ (t
+ popup-scroll-bar-background-char))
+ "")
+ for sym = (if symbol
+ (concat " " (or (popup-item-symbol item) " "))
+ "")
+ for summary = (or (popup-item-summary item) "")
+
+ do
+ ;; Show line and set item to the line
+ (popup-set-line-item popup o
+ :item item
+ :face face
+ :mouse-face mouse-face
+ :margin-left margin-left
+ :margin-right margin-right
+ :scroll-bar-char scroll-bar-char
+ :symbol sym
+ :summary summary
+ :summary-face summary-face
+ :keymap keymap)
+
+ finally
+ ;; Remember current height
+ (setf (popup-current-height popup) (- o offset))
+
+ ;; Hide remaining lines
+ (let ((scroll-bar-char (if scroll-bar (propertize " " 'face popup-face) ""))
+ (symbol (if symbol " " "")))
+ (if (> (popup-direction popup) 0)
+ (progn
+ (when min-height
+ (while (< o min-height)
+ (popup-set-line-item popup o
+ :item ""
+ :face popup-face
+ :margin-left margin-left
+ :margin-right margin-right
+ :scroll-bar-char scroll-bar-char
+ :symbol symbol
+ :summary "")
+ (cl-incf o)))
+ (while (< o height)
+ (popup-hide-line popup o)
+ (cl-incf o)))
+ (cl-loop with h = (if min-height (- height min-height) offset)
+ for o from 0 below offset
+ if (< o h)
+ do (popup-hide-line popup o)
+ if (>= o h)
+ do (popup-set-line-item popup o
+ :item ""
+ :face popup-face
+ :margin-left margin-left
+ :margin-right margin-right
+ :scroll-bar-char scroll-bar-char
+ :symbol symbol
+ :summary ""))))))
+
+(defun popup-hide (popup)
+ "Hide POPUP."
+ (cl-loop for (ov olddisplay) in (popup-invis-overlays popup)
+ do (overlay-put ov 'display olddisplay))
+ (dotimes (i (popup-height popup))
+ (popup-hide-line popup i)))
+
+(defun popup-hidden-p (popup)
+ "Return non-nil if POPUP is hidden."
+ (let ((hidden t))
+ (when (popup-live-p popup)
+ (dotimes (i (popup-height popup))
+ (unless (popup-line-hidden-p popup i)
+ (setq hidden nil))))
+ hidden))
+
+(defun popup-jump (popup cursor)
+ "Jump to a position specified by CURSOR of POPUP and draw."
+ (let ((scroll-top (popup-scroll-top popup)))
+ ;; Do not change page as much as possible.
+ (unless (and (<= scroll-top cursor)
+ (< cursor (+ scroll-top (popup-height popup))))
+ (setf (popup-scroll-top popup) cursor))
+ (setf (popup-cursor popup) cursor)
+ (popup-draw popup)))
+
+(defun popup-select (popup i)
+ "Select the item at I of POPUP and draw."
+ (setq i (+ i (popup-offset popup)))
+ (when (and (<= 0 i) (< i (popup-height popup)))
+ (setf (popup-cursor popup) i)
+ (popup-draw popup)
+ t))
+
+(defun popup-next (popup)
+ "Select the next item of POPUP and draw."
+ (let ((height (popup-height popup))
+ (cursor (1+ (popup-cursor popup)))
+ (scroll-top (popup-scroll-top popup))
+ (length (length (popup-list popup))))
+ (cond
+ ((>= cursor length)
+ ;; Back to first page
+ (setq cursor 0
+ scroll-top 0))
+ ((= cursor (+ scroll-top height))
+ ;; Go to next page
+ (setq scroll-top (min (1+ scroll-top) (max (- length height) 0)))))
+ (setf (popup-cursor popup) cursor
+ (popup-scroll-top popup) scroll-top)
+ (popup-draw popup)))
+
+(defun popup-previous (popup)
+ "Select the previous item of POPUP and draw."
+ (let ((height (popup-height popup))
+ (cursor (1- (popup-cursor popup)))
+ (scroll-top (popup-scroll-top popup))
+ (length (length (popup-list popup))))
+ (cond
+ ((< cursor 0)
+ ;; Go to last page
+ (setq cursor (1- length)
+ scroll-top (max (- length height) 0)))
+ ((= cursor (1- scroll-top))
+ ;; Go to previous page
+ (cl-decf scroll-top)))
+ (setf (popup-cursor popup) cursor
+ (popup-scroll-top popup) scroll-top)
+ (popup-draw popup)))
+
+(defun popup-page-next (popup)
+ "Select next item of POPUP per `popup-height' range.
+Pages down through POPUP."
+ (dotimes (counter (1- (popup-height popup)))
+ (popup-next popup)))
+
+(defun popup-page-previous (popup)
+ "Select previous item of POPUP per `popup-height' range.
+Pages up through POPUP."
+ (dotimes (counter (1- (popup-height popup)))
+ (popup-previous popup)))
+
+(defun popup-scroll-down (popup &optional n)
+ "Scroll down N of POPUP and draw."
+ (let ((scroll-top (min (+ (popup-scroll-top popup) (or n 1))
+ (- (length (popup-list popup)) (popup-height popup)))))
+ (setf (popup-cursor popup) scroll-top
+ (popup-scroll-top popup) scroll-top)
+ (popup-draw popup)))
+
+(defun popup-scroll-up (popup &optional n)
+ "Scroll up N of POPUP and draw."
+ (let ((scroll-top (max (- (popup-scroll-top popup) (or n 1))
+ 0)))
+ (setf (popup-cursor popup) scroll-top
+ (popup-scroll-top popup) scroll-top)
+ (popup-draw popup)))
+
+\f
+
+;;; Popup Incremental Search
+
+(defface popup-isearch-match
+ '((t (:inherit default :background "sky blue")))
+ "Popup isearch match face."
+ :group 'popup)
+
+(defvar popup-isearch-cursor-color "blue")
+
+(defvar popup-isearch-keymap
+ (let ((map (make-sparse-keymap)))
+ ;;(define-key map "\r" 'popup-isearch-done)
+ (define-key map "\C-g" 'popup-isearch-cancel)
+ (define-key map "\C-b" 'popup-isearch-close)
+ (define-key map [left] 'popup-isearch-close)
+ (define-key map "\C-h" 'popup-isearch-delete)
+ (define-key map (kbd "DEL") 'popup-isearch-delete)
+ (define-key map (kbd "C-y") 'popup-isearch-yank)
+ map))
+
+(defvar popup-menu-show-quick-help-function 'popup-menu-show-quick-help
+ "Function used for showing quick help by `popup-menu*'.")
+
+(defcustom popup-isearch-regexp-builder-function #'regexp-quote
+ "Function used to construct a regexp from a pattern. You may for instance
+ provide a function that replaces spaces by '.+' if you like helm or ivy style
+ of completion."
+ :type 'function)
+
+(defsubst popup-isearch-char-p (char)
+ (and (integerp char)
+ (<= 32 char)
+ (<= char 126)))
+
+(defun popup-isearch-filter-list (pattern list)
+ (cl-loop with regexp = (funcall popup-isearch-regexp-builder-function pattern)
+ for item in list
+ do
+ (unless (stringp item)
+ (setq item (popup-item-propertize (popup-x-to-string item)
+ 'value item)))
+ if (string-match regexp item)
+ collect
+ (let ((beg (match-beginning 0))
+ (end (match-end 0)))
+ (alter-text-property 0 (length item) 'face
+ (lambda (prop)
+ (unless (eq prop 'popup-isearch-match)
+ prop))
+ item)
+ (put-text-property beg end
+ 'face 'popup-isearch-match
+ item)
+ item)))
+
+(defun popup-isearch-prompt (popup pattern)
+ (format "Pattern: %s" (if (= (length (popup-list popup)) 0)
+ (propertize pattern 'face 'isearch-fail)
+ pattern)))
+
+(defun popup-isearch-update (popup filter pattern &optional callback)
+ (setf (popup-cursor popup) 0
+ (popup-scroll-top popup) 0
+ (popup-pattern popup) pattern)
+ (let ((list (funcall filter pattern (popup-original-list popup))))
+ (popup-set-filtered-list popup list)
+ (if callback
+ (funcall callback list)))
+ (popup-draw popup))
+
+(cl-defun popup-isearch (popup
+ &key
+ (filter 'popup-isearch-filter-list)
+ (cursor-color popup-isearch-cursor-color)
+ (keymap popup-isearch-keymap)
+ callback
+ help-delay)
+ "Start isearch on POPUP. This function is synchronized, meaning
+event loop waits for quiting of isearch.
+
+FILTER is function with two argumenst to perform popup items filtering.
+
+CURSOR-COLOR is a cursor color during isearch. The default value
+is `popup-isearch-cursor-color'.
+
+KEYMAP is a keymap which is used when processing events during
+event loop. The default value is `popup-isearch-keymap'.
+
+CALLBACK is a function taking one argument. `popup-isearch' calls
+CALLBACK, if specified, after isearch finished or isearch
+canceled. The arguments is whole filtered list of items.
+
+HELP-DELAY is a delay of displaying helps."
+ (let ((list (popup-original-list popup))
+ (pattern (or (popup-pattern popup) ""))
+ (old-cursor-color (frame-parameter (selected-frame) 'cursor-color))
+ prompt key binding)
+ (unwind-protect
+ (cl-block nil
+ (if cursor-color
+ (set-cursor-color cursor-color))
+ (while t
+ (setq prompt (popup-isearch-prompt popup pattern))
+ (setq key (popup-menu-read-key-sequence keymap prompt help-delay))
+ (if (null key)
+ (unless (funcall popup-menu-show-quick-help-function popup nil :prompt prompt)
+ (clear-this-command-keys)
+ (push (read-event prompt) unread-command-events))
+ (setq binding (lookup-key keymap key))
+ (cond
+ ((and (stringp key)
+ (popup-isearch-char-p (aref key 0)))
+ (setq pattern (concat pattern key)))
+ ((eq binding 'popup-isearch-done)
+ (cl-return nil))
+ ((eq binding 'popup-isearch-cancel)
+ (popup-isearch-update popup filter "" callback)
+ (cl-return t))
+ ((eq binding 'popup-isearch-close)
+ (popup-isearch-update popup filter "" callback)
+ (setq unread-command-events
+ (append (listify-key-sequence key) unread-command-events))
+ (cl-return nil))
+ ((eq binding 'popup-isearch-delete)
+ (if (> (length pattern) 0)
+ (setq pattern (substring pattern 0 (1- (length pattern))))))
+ ((eq binding 'popup-isearch-yank)
+ (popup-isearch-update popup filter (car kill-ring) callback)
+ (cl-return nil))
+ (t
+ (setq unread-command-events
+ (append (listify-key-sequence key) unread-command-events))
+ (cl-return nil)))
+ (popup-isearch-update popup filter pattern callback))))
+ (if old-cursor-color
+ (set-cursor-color old-cursor-color)))))
+
+\f
+
+;;; Popup Tip
+
+(defface popup-tip-face
+ '((t (:background "khaki1" :foreground "black")))
+ "Face for popup tip."
+ :group 'popup)
+
+(defvar popup-tip-max-width 80)
+
+(cl-defun popup-tip (string
+ &key
+ point
+ (around t)
+ width
+ (height 15)
+ min-height
+ max-width
+ truncate
+ margin
+ margin-left
+ margin-right
+ scroll-bar
+ parent
+ parent-offset
+ nowait
+ nostrip
+ prompt
+ face
+ &allow-other-keys
+ &aux tip lines)
+ "Show a tooltip of STRING at POINT. This function is
+synchronized unless NOWAIT specified. Almost all arguments are
+the same as in `popup-create', except for TRUNCATE, NOWAIT, and
+PROMPT.
+
+If TRUNCATE is non-nil, the tooltip can be truncated.
+
+If NOWAIT is non-nil, this function immediately returns the
+tooltip instance without entering event loop.
+
+If `NOSTRIP` is non-nil, `STRING` properties are not stripped.
+
+PROMPT is a prompt string when reading events during event loop.
+
+If FACE is non-nil, it will be used instead of face `popup-tip-face'."
+ (if (bufferp string)
+ (setq string (with-current-buffer string (buffer-string))))
+
+ (unless nostrip
+ ;; TODO strip text (mainly face) properties
+ (setq string (substring-no-properties string)))
+
+ (setq string (popup-replace-displayable string))
+
+ (and (eq margin t) (setq margin 1))
+ (or margin-left (setq margin-left margin))
+ (or margin-right (setq margin-right margin))
+
+ (let ((it (popup-fill-string string width popup-tip-max-width)))
+ (setq width (car it)
+ lines (cdr it)))
+
+ (setq tip (popup-create point width height
+ :min-height min-height
+ :max-width max-width
+ :around around
+ :margin-left margin-left
+ :margin-right margin-right
+ :scroll-bar scroll-bar
+ :face (or face 'popup-tip-face)
+ :parent parent
+ :parent-offset parent-offset))
+
+ (unwind-protect
+ (when (> (popup-width tip) 0) ; not to be corrupted
+ (when (and (not (eq width (popup-width tip))) ; truncated
+ (not truncate))
+ ;; Refill once again to lines be fitted to popup width
+ (setq width (popup-width tip))
+ (setq lines (cdr (popup-fill-string string width width))))
+
+ (popup-set-list tip lines)
+ (popup-draw tip)
+ (if nowait
+ tip
+ (clear-this-command-keys)
+ (push (read-event prompt) unread-command-events)
+ t))
+ (unless nowait
+ (popup-delete tip))))
+
+\f
+
+;;; Popup Menu
+
+(defface popup-menu-face
+ '((t (:inherit popup-face)))
+ "Face for popup menu."
+ :group 'popup)
+
+(defface popup-menu-mouse-face
+ '((t (:background "blue" :foreground "white")))
+ "Face for popup menu."
+ :group 'popup)
+
+(defface popup-menu-selection-face
+ '((t (:inherit default :background "steelblue" :foreground "white")))
+ "Face for popup menu selection."
+ :group 'popup)
+
+(defface popup-menu-summary-face
+ '((t (:inherit popup-summary-face)))
+ "Face for popup summary."
+ :group 'popup)
+
+(defvar popup-menu-show-tip-function 'popup-tip
+ "Function used for showing tooltip by `popup-menu-show-quick-help'.")
+
+(defun popup-menu-show-help (menu &optional persist item)
+ (popup-item-show-help (or item (popup-selected-item menu)) persist))
+
+(defun popup-menu-documentation (menu &optional item)
+ (popup-item-documentation (or item (popup-selected-item menu))))
+
+(defun popup-menu-show-quick-help (menu &optional item &rest args)
+ (let* ((point (plist-get args :point))
+ (height (or (plist-get args :height) (popup-height menu)))
+ (min-height (min height (popup-current-height menu)))
+ (around nil)
+ (parent-offset (popup-offset menu))
+ (doc (popup-menu-documentation menu item)))
+ (when (stringp doc)
+ (if (popup-hidden-p menu)
+ (setq around t
+ menu nil
+ parent-offset nil)
+ (setq point nil))
+ (let ((popup-use-optimized-column-computation nil)) ; To avoid wrong positioning
+ (apply popup-menu-show-tip-function
+ doc
+ :point point
+ :height height
+ :min-height min-height
+ :around around
+ :parent menu
+ :parent-offset parent-offset
+ args)))))
+
+(defun popup-menu-item-of-mouse-event (event)
+ (when (and (consp event)
+ (memq (cl-first event) '(mouse-1 mouse-2 mouse-3 mouse-4 mouse-5)))
+ (let* ((position (cl-second event))
+ (object (elt position 4)))
+ (when (consp object)
+ (get-text-property (cdr object) 'popup-item (car object))))))
+
+(defun popup-menu-read-key-sequence (keymap &optional prompt timeout)
+ (catch 'timeout
+ (let ((timer (and timeout
+ (run-with-timer timeout nil
+ (lambda ()
+ (if (zerop (length (this-command-keys)))
+ (throw 'timeout nil))))))
+ (old-global-map (current-global-map))
+ (temp-global-map (make-sparse-keymap))
+ (overriding-terminal-local-map (make-sparse-keymap)))
+ (substitute-key-definition 'keyboard-quit 'keyboard-quit
+ temp-global-map old-global-map)
+ (define-key temp-global-map [menu-bar] (lookup-key old-global-map [menu-bar]))
+ (define-key temp-global-map [tool-bar] (lookup-key old-global-map [tool-bar]))
+ (set-keymap-parent overriding-terminal-local-map keymap)
+ (if (current-local-map)
+ (define-key overriding-terminal-local-map [menu-bar]
+ (lookup-key (current-local-map) [menu-bar])))
+ (unwind-protect
+ (progn
+ (use-global-map temp-global-map)
+ (clear-this-command-keys)
+ (with-temp-message prompt
+ (read-key-sequence nil)))
+ (use-global-map old-global-map)
+ (if timer (cancel-timer timer))))))
+
+(defun popup-menu-fallback (event default))
+
+(cl-defun popup-menu-event-loop (menu
+ keymap
+ fallback
+ &key
+ prompt
+ help-delay
+ isearch
+ isearch-filter
+ isearch-cursor-color
+ isearch-keymap
+ isearch-callback
+ &aux key binding)
+ (cl-block nil
+ (while (popup-live-p menu)
+ (and isearch
+ (popup-isearch menu
+ :filter isearch-filter
+ :cursor-color isearch-cursor-color
+ :keymap isearch-keymap
+ :callback isearch-callback
+ :help-delay help-delay)
+ (keyboard-quit))
+ (setq key (popup-menu-read-key-sequence keymap prompt help-delay))
+ (setq binding (and key (lookup-key keymap key)))
+ (cond
+ ((or (null key) (zerop (length key)))
+ (unless (funcall popup-menu-show-quick-help-function menu nil :prompt prompt)
+ (clear-this-command-keys)
+ (push (read-event prompt) unread-command-events)))
+ ((eq (lookup-key (current-global-map) key) 'keyboard-quit)
+ (keyboard-quit)
+ (cl-return))
+ ((eq binding 'popup-close)
+ (if (popup-parent menu)
+ (cl-return)))
+ ((memq binding '(popup-select popup-open))
+ (let* ((item (or (popup-menu-item-of-mouse-event (elt key 0))
+ (popup-selected-item menu)))
+ (index (cl-position item (popup-list menu)))
+ (sublist (popup-item-sublist item)))
+ (unless index (cl-return))
+ (if sublist
+ (popup-aif (let (popup-use-optimized-column-computation)
+ (popup-cascade-menu sublist
+ :around nil
+ :margin-left (popup-margin-left menu)
+ :margin-right (popup-margin-right menu)
+ :scroll-bar (popup-scroll-bar menu)
+ :parent menu
+ :parent-offset index
+ :help-delay help-delay
+ :isearch isearch
+ :isearch-filter isearch-filter
+ :isearch-cursor-color isearch-cursor-color
+ :isearch-keymap isearch-keymap
+ :isearch-callback isearch-callback))
+ (and it (cl-return it)))
+ (if (eq binding 'popup-select)
+ (cl-return (popup-item-value-or-self item))))))
+ ((eq binding 'popup-next)
+ (popup-next menu))
+ ((eq binding 'popup-previous)
+ (popup-previous menu))
+ ((eq binding 'popup-page-next)
+ (popup-page-next menu))
+ ((eq binding 'popup-page-previous)
+ (popup-page-previous menu))
+ ((eq binding 'popup-help)
+ (popup-menu-show-help menu))
+ ((eq binding 'popup-isearch)
+ (popup-isearch menu
+ :filter isearch-filter
+ :cursor-color isearch-cursor-color
+ :keymap isearch-keymap
+ :callback isearch-callback
+ :help-delay help-delay))
+ ((commandp binding)
+ (call-interactively binding))
+ (t
+ (funcall fallback key (key-binding key)))))))
+
+(defun popup-preferred-width (list)
+ "Return the preferred width to show LIST beautifully."
+ (cl-loop with tab-width = 4
+ for item in list
+ for summary = (popup-item-summary item)
+ maximize (string-width (popup-x-to-string item)) into width
+ if (stringp summary)
+ maximize (+ (string-width summary) 2) into summary-width
+ finally return
+ (let ((total (+ (or width 0) (or summary-width 0))))
+ (* (ceiling (/ total 10.0)) 10))))
+
+(defvar popup-menu-keymap
+ (let ((map (make-sparse-keymap)))
+ (define-key map "\r" 'popup-select)
+ (define-key map "\C-f" 'popup-open)
+ (define-key map [right] 'popup-open)
+ (define-key map "\C-b" 'popup-close)
+ (define-key map [left] 'popup-close)
+
+ (define-key map "\C-n" 'popup-next)
+ (define-key map [down] 'popup-next)
+ (define-key map "\C-p" 'popup-previous)
+ (define-key map [up] 'popup-previous)
+
+ (define-key map [next] 'popup-page-next)
+ (define-key map [prior] 'popup-page-previous)
+
+ (define-key map [f1] 'popup-help)
+ (define-key map (kbd "\C-?") 'popup-help)
+
+ (define-key map "\C-s" 'popup-isearch)
+
+ (define-key map [mouse-1] 'popup-select)
+ (define-key map [mouse-4] 'popup-previous)
+ (define-key map [mouse-5] 'popup-next)
+ map))
+
+(cl-defun popup-menu* (list
+ &key
+ point
+ (around t)
+ (width (popup-preferred-width list))
+ (height 15)
+ max-width
+ margin
+ margin-left
+ margin-right
+ scroll-bar
+ symbol
+ parent
+ parent-offset
+ cursor
+ (keymap popup-menu-keymap)
+ (fallback 'popup-menu-fallback)
+ help-delay
+ nowait
+ prompt
+ isearch
+ (isearch-filter 'popup-isearch-filter-list)
+ (isearch-cursor-color popup-isearch-cursor-color)
+ (isearch-keymap popup-isearch-keymap)
+ isearch-callback
+ initial-index
+ &allow-other-keys
+ &aux menu event)
+ "Show a popup menu of LIST at POINT. This function returns a
+value of the selected item. Almost all arguments are the same as in
+`popup-create', except for KEYMAP, FALLBACK, HELP-DELAY, PROMPT,
+ISEARCH, ISEARCH-FILTER, ISEARCH-CURSOR-COLOR, ISEARCH-KEYMAP, and
+ISEARCH-CALLBACK.
+
+If KEYMAP is a keymap which is used when processing events during
+event loop.
+
+If FALLBACK is a function taking two arguments; a key and a
+command. FALLBACK is called when no special operation is found on
+the key. The default value is `popup-menu-fallback', which does
+nothing.
+
+HELP-DELAY is a delay of displaying helps.
+
+If NOWAIT is non-nil, this function immediately returns the menu
+instance without entering event loop.
+
+PROMPT is a prompt string when reading events during event loop.
+
+If ISEARCH is non-nil, do isearch as soon as displaying the popup
+menu.
+
+ISEARCH-FILTER is a filtering function taking two arguments:
+search pattern and list of items. Returns a list of matching items.
+
+ISEARCH-CURSOR-COLOR is a cursor color during isearch. The
+default value is `popup-isearch-cursor-color'.
+
+ISEARCH-KEYMAP is a keymap which is used when processing events
+during event loop. The default value is `popup-isearch-keymap'.
+
+ISEARCH-CALLBACK is a function taking one argument. `popup-menu'
+calls ISEARCH-CALLBACK, if specified, after isearch finished or
+isearch canceled. The arguments is whole filtered list of items.
+
+If `INITIAL-INDEX' is non-nil, this is an initial index value for
+`popup-select'. Only positive integer is valid."
+ (and (eq margin t) (setq margin 1))
+ (or margin-left (setq margin-left margin))
+ (or margin-right (setq margin-right margin))
+ (if (and scroll-bar
+ (integerp margin-right)
+ (> margin-right 0))
+ ;; Make scroll-bar space as margin-right
+ (cl-decf margin-right))
+ (setq menu (popup-create point width height
+ :max-width max-width
+ :around around
+ :face 'popup-menu-face
+ :mouse-face 'popup-menu-mouse-face
+ :selection-face 'popup-menu-selection-face
+ :summary-face 'popup-menu-summary-face
+ :margin-left margin-left
+ :margin-right margin-right
+ :scroll-bar scroll-bar
+ :symbol symbol
+ :parent parent
+ :parent-offset parent-offset))
+ (unwind-protect
+ (progn
+ (popup-set-list menu list)
+ (if cursor
+ (popup-jump menu cursor)
+ (popup-draw menu))
+ (when initial-index
+ (dotimes (_i (min (- (length list) 1) initial-index))
+ (popup-next menu)))
+ (if nowait
+ menu
+ (popup-menu-event-loop menu keymap fallback
+ :prompt prompt
+ :help-delay help-delay
+ :isearch isearch
+ :isearch-filter isearch-filter
+ :isearch-cursor-color isearch-cursor-color
+ :isearch-keymap isearch-keymap
+ :isearch-callback isearch-callback)))
+ (unless nowait
+ (popup-delete menu))))
+
+(defun popup-cascade-menu (list &rest args)
+ "Same as `popup-menu' except that an element of LIST can be
+also a sub-menu if the element is a cons cell formed (ITEM
+. SUBLIST) where ITEM is an usual item and SUBLIST is a list of
+the sub menu."
+ (apply 'popup-menu*
+ (mapcar (lambda (item)
+ (if (consp item)
+ (popup-make-item (car item)
+ :sublist (cdr item)
+ :symbol ">")
+ item))
+ list)
+ :symbol t
+ args))
+
+(provide 'popup)
+;;; popup.el ends here
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