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blink-search.el
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blink-search.el
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;;; blink-search.el --- Blink search -*- lexical-binding: t; -*-
;; Filename: blink-search.el
;; Description: Blink search
;; Author: Andy Stewart <[email protected]>
;; Maintainer: Andy Stewart <[email protected]>
;; Copyright (C) 2022, Andy Stewart, all rights reserved.
;; Created: 2022-10-23 15:23:53 +0800
;; Version: 0.1
;; Last-Updated: 2022-10-23 15:23:53 +0800
;; By: Andy Stewart
;; URL: https://github.com/manateelazycat/blink-search
;; Keywords:
;; Compatibility: emacs-version >= 28
;; Package-Requires: ((emacs "28") (posframe "1.1.7") (markdown-mode "2.6"))
;;
;; Features that might be required by this library:
;;
;; Please check README
;;
;;; This file is NOT part of GNU Emacs
;;; 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:
;;
;; Blink-Search
;;
;;; Installation:
;;
;; Please check README
;;
;;; Customize:
;;
;;
;;
;; All of the above can customize by:
;; M-x customize-group RET blink-search RET
;;
;;; Change log:
;;
;;
;;; Acknowledgements:
;;
;;
;;
;;; TODO
;;
;;
;;
;;; Code:
(require 'cl-lib)
(require 'json)
(require 'map)
(require 'seq)
(require 'subr-x)
(require 'blink-search-epc)
(require 'blink-search-icon)
(require 'recentf)
(require 'imenu)
(require 'pulse)
(recentf-mode 1)
(defvar blink-search-backend-path (expand-file-name "backend"
(if load-file-name
(file-name-directory load-file-name)
default-directory)))
(eval-and-compile
(add-to-list 'load-path blink-search-backend-path t))
(defvar blink-search-idle-update-list nil)
(defvar blink-search-start-update-list nil)
(require 'blink-search-elisp-symbol)
(require 'blink-search-imenu)
(require 'blink-search-grep-file)
(require 'blink-search-current-buffer)
(require 'blink-search-recent-file)
(require 'blink-search-buffer-list)
(require 'blink-search-grep-pdf)
(require 'blink-search-pdf)
(defgroup blink-search nil
"Blink-Search group."
:group 'applications)
(defvar blink-search-server nil)
(defvar blink-search-python-file (expand-file-name "blink_search.py" (file-name-directory load-file-name)))
(defvar blink-search-server-port nil)
(defvar blink-search-epc-process nil)
(defvar blink-search-internal-process nil)
(defvar blink-search-internal-process-prog nil)
(defvar blink-search-internal-process-args nil)
(defvar blink-search-is-starting nil)
(defvar blink-search-stop-process-hook nil)
(defvar blink-search-window-configuration nil)
(defvar blink-search-start-buffer nil)
(defvar blink-search-start-path-name nil)
(defvar blink-search-start-buffer-name nil)
(defvar blink-search-start-buffer-directory nil)
(defvar blink-search-continue-directory nil)
(defvar blink-search-start-keyword nil)
(defvar blink-search-input-buffer " *blink search input*")
(defvar blink-search-tooltip-buffer " *blink search tooltip*")
(defvar blink-search-candidate-buffer " *blink search candidate*")
(defvar blink-search-backend-buffer " *blink search backend*")
(defvar blink-search-candidate-items nil)
(defvar blink-search-candidate-select-index nil)
(defvar blink-search-backend-items nil)
(defvar blink-search-backend-select-index nil)
(defvar blink-search-backend-name nil)
(defvar blink-search-item-index nil)
(defvar blink-search-items-number nil)
(defvar blink-search-backend-number nil)
(defvar blink-search-posframe-preview-window nil)
(defvar blink-search-posframe-emacs-frame nil)
(defvar blink-search-posframe-frame nil)
(defcustom blink-search-enable-posframe nil
"Enable posframe."
:type 'boolean
:group 'blink-search)
(defcustom blink-search-posframe-width-ratio 0.6
"The width of posframe."
:type 'number
:group 'blink-search)
(defcustom blink-search-posframe-height-ratio 0.6
"The height of posframe."
:type 'number
:group 'blink-search)
(defcustom blink-search-posframe-standalone nil
"If non-nil, standalone display posframe."
:type 'number
:group 'blink-search)
(defvar blink-search-search-backends nil
"Default backends for blink search, which is a list of backend names, nil for all backends defined in python side.")
(defcustom blink-search-enable-icon t
"Show icon in menu."
:type 'boolean
:group 'blink-search)
(defcustom blink-search-common-directory '(("HOME" "~/"))
"Common directory to search and open."
:type 'cons)
(defcustom blink-search-history-path (expand-file-name (concat user-emacs-directory (file-name-as-directory "blink-search") "history.txt"))
"The path to store search history."
:type 'string)
(defcustom blink-search-db-path (expand-file-name "blink-search.db" user-emacs-directory)
"Key Value store database path."
:type 'string)
(defcustom blink-search-db-table "kvstore"
"Key Value store table."
:type 'string)
(defcustom blink-search-name "*blink-search*"
"Name of Blink-Search buffer."
:type 'string)
(defcustom blink-search-python-command (if (memq system-type '(cygwin windows-nt ms-dos)) "python.exe" "python3")
"The Python interpreter used to run lsp_bridge.py."
:type 'string)
(defcustom blink-search-enable-debug nil
"If you got segfault error, please turn this option.
Then Blink-Search will start by gdb, please send new issue with `*blink-search*' buffer content when next crash."
:type 'boolean)
(defcustom blink-search-enable-log nil
"Enable this option to print log message in `*blink-search*' buffer, default only print message header."
:type 'boolean)
(defcustom blink-search-flash-line-delay .3
"How many seconds to flash `blink-search-font-lock-flash' after navigation.
Setting this to nil or 0 will turn off the indicator."
:type 'number
:group 'blink-search)
(defcustom blink-search-browser-function #'eaf-open-browser
"The function used to open web browser for google suggestion"
:type 'function
:set (lambda (sym val)
(defalias #'blink-search-browser-function val)))
(defcustom blink-search-file-manager 'eaf-file-manager
"File-manager to open file or directory."
:type 'symbol
:options '(eaf-file-manager dired)
:group 'blink-search)
(defface blink-search-select-face
'()
"Face used to highlight the currently selected candidate.")
(defface blink-search-font-lock-flash
'((t (:inherit highlight)))
"Face to flash the current line."
:group 'blink-search)
(defun blink-search--start-epc-server ()
"Function to start the EPC server."
(unless (process-live-p blink-search-server)
(setq blink-search-server
(blink-search-epc-server-start
(lambda (mngr)
(let ((mngr mngr))
(blink-search-epc-define-method mngr 'eval-in-emacs 'blink-search--eval-in-emacs-func)
(blink-search-epc-define-method mngr 'get-emacs-var 'blink-search--get-emacs-var-func)
(blink-search-epc-define-method mngr 'get-emacs-vars 'blink-search--get-emacs-vars-func)
))))
(if blink-search-server
(setq blink-search-server-port (process-contact blink-search-server :service))
(error "[Blink-Search] blink-search-server failed to start")))
blink-search-server)
(defun blink-search--eval-in-emacs-func (sexp-string)
(eval (read sexp-string))
;; Return nil to avoid epc error `Got too many arguments in the reply'.
nil)
(defun blink-search--get-emacs-var-func (var-name)
(let* ((var-symbol (intern var-name))
(symbol-is-exist-p (boundp var-symbol))
(var-value (if symbol-is-exist-p (symbol-value var-symbol) ""))
;; We need convert result of booleanp to string.
;; Otherwise, python-epc will convert all `nil' to [] at Python side.
(var-is-bool (if symbol-is-exist-p (prin1-to-string (booleanp var-value)) "nil")))
(list var-value var-is-bool)))
(defun blink-search--get-emacs-vars-func (&rest vars)
(mapcar #'blink-search--get-emacs-var-func vars))
(defun blink-search-call-async (method &rest args)
"Call Python EPC function METHOD and ARGS asynchronously."
(when (blink-search-epc-live-p blink-search-epc-process)
(blink-search-deferred-chain
(blink-search-epc-call-deferred blink-search-epc-process (read method) args))))
(defun blink-search-get-theme-mode ()
"Get theme mode, dark or light."
(prin1-to-string (frame-parameter nil 'background-mode)))
(defun blink-search-color-blend (c1 c2 alpha)
"Blend two colors C1 and C2 with ALPHA.
C1 and C2 are hexidecimal strings.
ALPHA is a number between 0.0 and 1.0 which corresponds to the
influence of C1 on the result."
(apply (lambda (r g b)
(format "#%02x%02x%02x"
(ash r -8)
(ash g -8)
(ash b -8)))
(cl-mapcar
(lambda (x y)
(round (+ (* x alpha) (* y (- 1 alpha)))))
(color-values c1) (color-values c2))))
(defun blink-search-init-colors (&optional force)
;; Avoid background around input string.
(with-current-buffer blink-search-input-buffer
(face-remap-add-relative 'hl-line :background (face-background 'default)))
(let* ((is-dark-mode (string-equal (blink-search-get-theme-mode) "dark"))
(blend-background (if is-dark-mode "#000000" "#AAAAAA"))
(default-background (face-attribute 'default :background)))
;; Fallback to background of `default' face if `blink-search-color-blend' test failed.
(unless (ignore-errors
(blink-search-color-blend default-background blend-background 0.6))
(setq default-background (if is-dark-mode "#000000" "#AAAAAA")))
;; Make sure menu follow the theme of Emacs.
(when (or force (equal (face-attribute 'blink-search-select-face :background) 'unspecified))
(set-face-background 'blink-search-select-face (blink-search-color-blend default-background blend-background 0.6)))
(when (or force (equal (face-attribute 'blink-search-select-face :foreground) 'unspecified))
(set-face-foreground 'blink-search-select-face (face-attribute 'font-lock-function-name-face :foreground)))))
(defun blink-search-reset-colors (&rest args)
;; Reset colors.
(when (get-buffer blink-search-input-buffer)
(blink-search-init-colors t)
(blink-search-render)))
(if (daemonp)
;; The :background of 'default is unavailable until frame is created in
;; daemon mode.
(add-hook 'server-after-make-frame-hook
(lambda ()
(advice-add #'load-theme :after #'blink-search-reset-colors)
;; Compensation for missing the first `load-thme' in
;; `after-init-hook'.
(blink-search-reset-colors)))
(advice-add #'load-theme :after #'blink-search-reset-colors))
;;;###autoload
(defun blink-search-restart-process ()
"Stop and restart Blink-Search process."
(interactive)
(setq blink-search-is-starting nil)
(blink-search-kill-process)
(blink-search-start-process)
(message "[Blink-Search] Process restarted."))
(defun blink-search-start-process ()
"Start Blink-Search process if it isn't started."
(setq blink-search-is-starting t)
(unless (blink-search-epc-live-p blink-search-epc-process)
;; start epc server and set `blink-search-server-port'
(blink-search--start-epc-server)
(let* ((blink-search-args (append
(list blink-search-python-file)
(list (number-to-string blink-search-server-port))
)))
;; Set process arguments.
(if blink-search-enable-debug
(progn
(setq blink-search-internal-process-prog "gdb")
(setq blink-search-internal-process-args (append (list "-batch" "-ex" "run" "-ex" "bt" "--args" blink-search-python-command) blink-search-args)))
(setq blink-search-internal-process-prog blink-search-python-command)
(setq blink-search-internal-process-args blink-search-args))
;; Start python process.
(let ((process-connection-type (not (blink-search--called-from-wsl-on-windows-p))))
(setq blink-search-internal-process
(apply 'start-process
blink-search-name blink-search-name
blink-search-internal-process-prog blink-search-internal-process-args)))
(set-process-query-on-exit-flag blink-search-internal-process nil))))
(defun blink-search--called-from-wsl-on-windows-p ()
"Check whether blink-search is called by Emacs on WSL and is running on Windows."
(and (eq system-type 'gnu/linux)
(string-match-p ".exe" blink-search-python-command)))
;;;###autoload
(defun blink-search-kill-process ()
"Stop Blink-Search process and kill all Blink-Search buffers."
(interactive)
;; Run stop process hooks.
(run-hooks 'blink-search-stop-process-hook)
;; Kill process after kill buffer, make application can save session data.
(blink-search--kill-python-process)
(blink-search-stop-elisp-symbol-update)
(blink-search-stop-recent-file-update)
)
(add-hook 'kill-emacs-hook #'blink-search-kill-process)
(defun blink-search--kill-python-process ()
"Kill Blink-Search background python process."
(when (blink-search-epc-live-p blink-search-epc-process)
;; Cleanup before exit Blink-Search server process.
(blink-search-call-async "cleanup")
;; Delete Blink-Search server process.
(blink-search-epc-stop-epc blink-search-epc-process)
;; Kill *blink-search* buffer.
(when (get-buffer blink-search-name)
(kill-buffer blink-search-name))
(setq blink-search-epc-process nil)
(message "[Blink-Search] Process terminated.")))
(defun blink-search--first-start (blink-search-epc-port)
"Call `blink-search--open-internal' upon receiving `start_finish' signal from server."
;; Make EPC process.
(setq blink-search-epc-process (make-blink-search-epc-manager
:server-process blink-search-internal-process
:commands (cons blink-search-internal-process-prog blink-search-internal-process-args)
:title (mapconcat 'identity (cons blink-search-internal-process-prog blink-search-internal-process-args) " ")
:port blink-search-epc-port
:connection (blink-search-epc-connect "127.0.0.1" blink-search-epc-port)
))
(blink-search-epc-init-epc-layer blink-search-epc-process)
(setq blink-search-is-starting nil)
(dolist (update-func blink-search-idle-update-list)
(funcall update-func))
(dolist (update-func blink-search-start-update-list)
(funcall update-func)))
(defvar blink-search-quick-keys
'("h" "l" "u" "i" "y"
"," "." ";" "/" "'"
"r" "v" "g" "t" "c"
"7" "8" "9" "0"
"H" "L" "U" "I" "Y"
"s" "a" "e" "q"
"1" "2" "3" "4"
"[" "]")
"This list keys to access candidate quickly, all those keys is prefix with Alt key,
you need customize option if some 'M + key' conflict with your command.")
(defvar blink-search-mode-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "C-g") 'blink-search-quit)
(define-key map (kbd "ESC ESC ESC") 'blink-search-quit)
(define-key map (kbd "C-n") 'blink-search-candidate-select-next)
(define-key map (kbd "C-p") 'blink-search-candidate-select-prev)
(define-key map (kbd "M-n") 'blink-search-backend-select-next)
(define-key map (kbd "M-p") 'blink-search-backend-select-prev)
(define-key map (kbd "M-j") 'blink-search-candidate-group-select-next)
(define-key map (kbd "M-k") 'blink-search-candidate-group-select-prev)
(define-key map (kbd "C-m") 'blink-search-do)
(define-key map (kbd "C-M-m") 'blink-search-preview)
(define-key map (kbd "C-M-n") 'blink-search-preview-next)
(define-key map (kbd "C-M-p") 'blink-search-preview-prev)
(define-key map (kbd "C-j") 'blink-search-parent)
(define-key map (kbd "C-l") 'blink-search-continue)
(define-key map (kbd "M-w") 'blink-search-copy)
(dolist (key blink-search-quick-keys)
(define-key map (kbd (format "M-%s" key)) 'blink-search-quick-do))
map)
"Keymap used by `blink-search-mode'.")
(define-derived-mode blink-search-mode text-mode "blink-search"
;; Kill all local variables.
(kill-all-local-variables)
;; Switch new mode.
(setq major-mode 'blink-search-mode)
(setq mode-name "blink-search")
;; Injection keymap.
(use-local-map blink-search-mode-map)
(when (featurep 'evil)
(evil-set-initial-state 'blink-search-mode 'emacs))
)
;;;###autoload
(defun blink-search-quit ()
(interactive)
(blink-search-call-async "clean")
(when blink-search-window-configuration
(set-window-configuration blink-search-window-configuration)
(setq blink-search-window-configuration nil)
(when blink-search-enable-posframe
(make-frame-invisible blink-search-posframe-frame)
(select-frame-set-input-focus blink-search-posframe-emacs-frame)
;; popup will call 'eaf--mac-focus-change'
;; which causes switched buffer
;; switch back with (set-window-configuration (frame-parameter (selected-frame) 'eaf--mac-frame))
(when (and (eq system-type 'darwin) (featurep 'eaf)
(eaf-emacs-not-use-reparent-technology)
eaf--mac-safe-focus-change)
(set-frame-parameter blink-search-posframe-emacs-frame
'eaf--mac-frame nil)))
(setq blink-search-start-buffer nil)
(setq blink-search-start-buffer-name nil)
(setq blink-search-start-path-name nil)
(setq blink-search-start-buffer-directory nil)
(setq blink-search-continue-directory nil)))
;;;###autoload
(defun blink-search-quick-do ()
(interactive)
(let* ((event-type (event-basic-type last-command-event))
(event-string (if (characterp event-type)
(string event-type)
(error "Unexpected input")))
(candidate-index (cl-position event-string blink-search-quick-keys :test 'equal)))
(when (< candidate-index (length blink-search-candidate-items))
(let* ((backend-name (plist-get (nth candidate-index blink-search-candidate-items) :backend))
(candidate-info (plist-get (nth candidate-index blink-search-candidate-items) :candidate))
(candidate (blink-search-get-candidate-text candidate-info)))
(blink-search-quit)
(blink-search-call-async "search_do" backend-name candidate)
))))
;;;###autoload
(defun blink-search (&optional arg)
"Start blink-search.
blink-search will search current symbol if you call this function with `C-u' prefix."
(interactive "P")
(setq blink-search-start-buffer (current-buffer))
(setq blink-search-start-buffer-name (buffer-name (current-buffer)))
(setq blink-search-start-path-name
(if (derived-mode-p 'eaf-mode)
eaf--buffer-url
(buffer-file-name (current-buffer))))
(setq blink-search-start-buffer-directory (with-current-buffer (current-buffer)
(expand-file-name default-directory)))
(setq blink-search-start-keyword (cond
((region-active-p)
(buffer-substring-no-properties (region-beginning) (region-end)))
(t
(if arg (or (thing-at-point 'symbol t) "") ""))))
;; Save window configuration.
(unless blink-search-window-configuration
(setq blink-search-window-configuration (current-window-configuration)))
;; Create buffers.
(with-current-buffer (get-buffer-create blink-search-input-buffer)
(erase-buffer)
(blink-search-mode)
(run-hooks 'blink-search-mode-hook)
(add-hook 'after-change-functions 'blink-search-monitor-input nil t)
(blink-search-disable-options nil)
;; Set window margin.
(setq-local left-margin-width 1)
(setq-local right-margin-width 1))
(with-current-buffer (get-buffer-create blink-search-tooltip-buffer)
(erase-buffer)
(blink-search-disable-options t)
;; Avoid background around input string.
(face-remap-add-relative 'hl-line :background (face-background 'default))
;; Set window margin.
(setq-local left-margin-width 1)
(setq-local right-margin-width 1))
(with-current-buffer (get-buffer-create blink-search-candidate-buffer)
(erase-buffer)
(blink-search-disable-options t)
(setq-local truncate-lines t))
(with-current-buffer (get-buffer-create blink-search-backend-buffer)
(erase-buffer)
(blink-search-disable-options t)
(setq-local truncate-lines t))
;; Init color.
(blink-search-init-colors)
(if blink-search-enable-posframe
(blink-search-init-popup-layout)
(blink-search-init-bottom-layout))
(dolist (update-func blink-search-start-update-list)
(funcall update-func))
;; Start process.
(unless blink-search-is-starting
(blink-search-start-process)))
(defun blink-search-get-window-allocation (&optional window)
"Get WINDOW allocation."
(let* ((window-edges (window-pixel-edges window))
(x (nth 0 window-edges))
(y (+ (nth 1 window-edges)
(if (version< emacs-version "27.0")
(window-header-line-height window)
(window-tab-line-height window))))
(w (- (nth 2 window-edges) x))
(h (- (nth 3 window-edges) (window-mode-line-height window) y)))
(list x y w h)))
(defun blink-search-disable-options (&optional disable-cursor)
"Disable many options for blink-search buffers."
;; Disable line numbers mode.
(when display-line-numbers
(setq-local display-line-numbers nil))
;; Disable tab-line.
(when (version< "27.0" emacs-version)
(setq-local tab-line-format nil))
;; Disable hl-line, header-line and mode-line in input buffer.
(setq-local header-line-format nil)
(setq-local mode-line-format nil)
;; Disable cursor type if option `disable-cursor' is non-nil.
(when disable-cursor
(setq-local cursor-type nil)))
(defun blink-search-get-row-number ()
(/ (nth 3 (blink-search-get-window-allocation (get-buffer-window blink-search-candidate-buffer))) (line-pixel-height)))
(defun blink-search-monitor-input (_begin _end _length)
"This is input monitor callback to hook `after-change-functions'."
;; Send new input to all backends when user change input.
(when (string-equal (buffer-name) blink-search-input-buffer)
(let* ((input (string-trim
(with-current-buffer blink-search-input-buffer
(buffer-substring-no-properties (point-min) (point-max))))))
(cond ((or (string-prefix-p "#" input)
(string-prefix-p "#" input))
(blink-search-call-async "search" (substring input 1) (blink-search-get-row-number) (list "Current Buffer")))
((or (string-prefix-p "!" input)
(string-prefix-p "！" input))
(blink-search-call-async "search" (substring input 1) (blink-search-get-row-number) (list "Grep File")))
((or (string-prefix-p ";" input)
(string-prefix-p "；" input))
(blink-search-call-async "search" (substring input 1) (blink-search-get-row-number) (list "Grep PDF")))
((or (string-prefix-p ":" input)
(string-prefix-p "：" input))
(blink-search-call-async "search" (substring input 1) (blink-search-get-row-number) (list "PDF")))
(t
(blink-search-call-async "search" input (blink-search-get-row-number) blink-search-search-backends))))))
(defun blink-search-start ()
(when (blink-search-epc-live-p blink-search-epc-process)
(unless (string-empty-p blink-search-start-keyword)
(message "[blink-search] Search symbol '%s'" blink-search-start-keyword))
(blink-search-call-async "search" blink-search-start-keyword (blink-search-get-row-number) blink-search-search-backends)))
(defsubst blink-search-indent-pixel (xpos)
"Return a display property that aligns to XPOS."
`(space :align-to (,xpos)))
(defun blink-search-render-candidate (backend-name candidate candidate-max-length)
(let ((candidate-length (length candidate)))
(cond ((string-equal backend-name "Recent File")
(file-name-nondirectory candidate))
((member backend-name '("Current Buffer" "Grep File" "Grep PDF" "EAF Browser" "Common Directory" "PDF"))
(blink-search-truncate-candidate-with-ellipsis candidate candidate-max-length candidate-max-length))
(t
(if (<= candidate-length candidate-max-length)
candidate
(concat (substring candidate 0 (/ candidate-max-length 2))
"..."
(substring candidate (- (length candidate) (/ candidate-max-length 2)) (length candidate))))))))
(defun blink-search-truncate-candidate-with-ellipsis (candidate candidate-max-length truncate-length)
(let ((candidate-length (length candidate)))
(if (<= candidate-length truncate-length)
candidate
(concat (substring candidate 0 (- truncate-length (length "..."))) "..."))))
(defun blink-search-select-window (window)
(when (window-live-p window)
(select-window window)))
(defun blink-search-show-backend-window ()
(unless (get-buffer-window blink-search-backend-buffer)
(save-excursion
(if (and blink-search-enable-posframe blink-search-posframe-preview-window)
(set-window-buffer blink-search-posframe-preview-window blink-search-backend-buffer)
(blink-search-select-window (get-buffer-window blink-search-candidate-buffer))
(split-window (selected-window) nil 'right t)
(other-window 1))
(switch-to-buffer blink-search-backend-buffer)
(blink-search-select-window (get-buffer-window blink-search-input-buffer)))))
(defun blink-search-hide-backend-window ()
(when (get-buffer-window blink-search-backend-buffer)
(save-excursion
(unless blink-search-enable-posframe
(delete-window (get-buffer-window blink-search-backend-buffer)))
(blink-search-select-window (get-buffer-window blink-search-input-buffer)))))
(defun blink-search-get-candidate-text (candidate-info)
;; Remove ^M char at end of line.
(replace-regexp-in-string
"\r+$" ""
(format
"%s"
(if (stringp candidate-info)
candidate-info
(plist-get candidate-info :text)))))
(defun blink-search-get-candidate-matches (candidate-info)
(unless (stringp candidate-info)
(plist-get candidate-info :matches)))
(defun blink-search-render ()
(let ((candidate-items blink-search-candidate-items)
(candidate-select-index blink-search-candidate-select-index)
(backend-items blink-search-backend-items)
(backend-select-index blink-search-backend-select-index)
(backend-name blink-search-backend-name)
(search-items-index blink-search-item-index)
(search-items-number blink-search-items-number)
(backend-number blink-search-backend-number))
(save-excursion
(let* ((window-allocation (blink-search-get-window-allocation (get-buffer-window blink-search-candidate-buffer)))
(window-width (nth 2 window-allocation)))
(with-current-buffer blink-search-tooltip-buffer
(let* ((tooltip-window-allocation (blink-search-get-window-allocation (get-buffer-window blink-search-input-buffer)))
(tooltip-window-width (nth 2 tooltip-window-allocation))
tooltip-line)
(erase-buffer)
(setq tooltip-line
(concat
(propertize (format "%s [%s/%s]" backend-name search-items-index search-items-number)
'face font-lock-constant-face)
(propertize " search prefix: " 'face font-lock-type-face)
(propertize "#" 'face font-lock-type-face)
(propertize " buffer " 'face font-lock-keyword-face)
(propertize "!" 'face font-lock-type-face)
(propertize " directory " 'face font-lock-keyword-face)
(propertize ";" 'face font-lock-type-face)
(propertize " pdfs " 'face font-lock-keyword-face)
(propertize ":" 'face font-lock-type-face)
(propertize " pdf " 'face font-lock-keyword-face)
))
(insert tooltip-line)
))
(with-current-buffer blink-search-candidate-buffer
(let* ((candidate-max-length (ceiling (* (/ window-width (frame-char-width)) 0.6)))
(candidate-index 0))
(erase-buffer)
(when candidate-items
(dolist (item candidate-items)
(let* ((candidate-info (plist-get item :candidate))
(candidate (blink-search-get-candidate-text candidate-info))
(candidate-length (length candidate))
(matches (blink-search-get-candidate-matches candidate-info))
(backend (plist-get item :backend))
(display-candiate (blink-search-render-candidate backend candidate candidate-max-length))
(padding-right 5)
(icon (cdr (assoc backend blink-search-icon-alist)))
(icon-default (cdr (assoc t blink-search-icon-alist)))
(display-icon (if icon icon icon-default))
(icon-text (blink-search-icon-build (nth 0 display-icon) (nth 1 display-icon) (nth 2 display-icon)))
candidate-prefix
candidate-prefix-length
candidate-line)
(setq candidate-prefix
(concat
icon-text
(propertize (format "%s " (nth candidate-index blink-search-quick-keys)) 'face 'font-lock-type-face)))
(setq candidate-prefix-length (length candidate-prefix))
(setq candidate-line
(concat
candidate-prefix
(if (> backend-number 1)
(format "%s " display-candiate)
(format "%s " candidate))
(if (> backend-number 1)
(propertize " " 'display
(blink-search-indent-pixel
(- window-width
(if (fboundp 'string-pixel-width)
(string-pixel-width (format "%s%s" (make-string 2 ?\s) backend))
(* (frame-char-width) (+ (string-width backend) padding-right)))
)))
(propertize " " 'display (blink-search-indent-pixel window-width)))
(when (> backend-number 1)
(propertize (format "%s " backend)
'face (if (equal candidate-index candidate-select-index) 'blink-search-select-face 'font-lock-doc-face)))
"\n"
))
;; Highlight match strings.
(when (and matches
(equal backend-number 1))
(dolist (match matches)
(let ((match-column
(let (match-start-point
match-end-point)
;; We need use `blink-search-goto-column' to handle mixed string of Chinese and English correctly.
(with-temp-buffer
(insert (substring candidate-line candidate-prefix-length))
(goto-char (point-min))
(blink-search-goto-column (nth 0 match))
(backward-char 1)
(setq match-start-point (+ (point) candidate-prefix-length))
(goto-char (point-min))
(blink-search-goto-column (nth 1 match))
(backward-char 1)
(setq match-end-point (+ (point) candidate-prefix-length))
(list match-start-point match-end-point)))))
(add-face-text-property (nth 0 match-column) (nth 1 match-column) 'font-lock-type-face 'append candidate-line)
)))
(when (equal candidate-index candidate-select-index)
(add-face-text-property 0 (length candidate-line) 'blink-search-select-face 'append candidate-line))
(insert candidate-line)
(setq candidate-index (1+ candidate-index))
))))
(with-current-buffer blink-search-backend-buffer
(erase-buffer)
(when (> backend-number 1)
(let ((backend-index 0))
(when backend-items
(dolist (candidate-info backend-items)
(let* ((candidate (if (stringp candidate-info) candidate-info (plist-get candidate-info :text)))
(matches (unless (stringp candidate-info) (plist-get candidate-info :matches)))
backend-line)
(setq backend-line
(concat
(propertize (format " %s " candidate) 'face (if (equal backend-index backend-select-index) 'blink-search-select-face 'font-lock-doc-face))
(propertize " " 'display (blink-search-indent-pixel window-width))
"\n"
))
(when (equal backend-index backend-select-index)
(add-face-text-property 0 (length backend-line) 'blink-search-select-face 'append backend-line))
(insert backend-line)
(setq backend-index (1+ backend-index))))))))
)))))
(defun blink-search-update-items (candidate-items
candidate-select-index
backend-items backend-select-index backend-name
search-items-index search-items-number backend-number)
;; Don't pop completion candidates when
(when (get-buffer-window blink-search-input-buffer)
(setq blink-search-candidate-items candidate-items)
(setq blink-search-candidate-select-index candidate-select-index)
(setq blink-search-backend-items backend-items)
(setq blink-search-backend-select-index backend-select-index)
(setq blink-search-backend-name backend-name)
(setq blink-search-item-index search-items-index)
(setq blink-search-items-number search-items-number)
(setq blink-search-backend-number backend-number)
(if (> backend-number 1)
(blink-search-show-backend-window)
(blink-search-hide-backend-window))
(blink-search-render)))
(defun blink-search-candidate-select-next ()
(interactive)
(blink-search-call-async "select_next_candidate_item"))
(defun blink-search-candidate-select-prev ()
(interactive)
(blink-search-call-async "select_prev_candidate_item"))
(defun blink-search-backend-select-next ()
(interactive)
(blink-search-call-async "select_next_backend_item"))
(defun blink-search-backend-select-prev ()
(interactive)
(blink-search-call-async "select_prev_backend_item"))
(defun blink-search-candidate-group-select-next ()
(interactive)
(blink-search-call-async "select_next_candidate_group"))
(defun blink-search-candidate-group-select-prev ()
(interactive)
(blink-search-call-async "select_prev_candidate_group"))
(defun blink-search-goto-column (column)
"This function use for jump to correct column positions in multi-byte strings.
Such as, mixed string of Chinese and English.
Function `move-to-column' can't handle mixed string of Chinese and English correctly."
(let ((scan-column 0)
(first-char-point (point)))
(while (> column scan-column)
(forward-char 1)
(setq scan-column (string-bytes (buffer-substring first-char-point (point)))))))
(defun blink-search-flash-locate ()
(ignore-errors
(recenter)
(let ((pulse-iterations 1)
(pulse-delay blink-search-flash-line-delay))
;; Flash match line.
(pulse-momentary-highlight-one-line (point) 'blink-search-font-lock-flash)
)))
(defun blink-search-preview-select-window ()
(if blink-search-enable-posframe
(unless (blink-search-select-window blink-search-posframe-preview-window)
(blink-search-select-window (get-buffer-window blink-search-candidate-buffer))
(split-window (selected-window) nil 'right t)
(other-window 1)
(setq blink-search-posframe-preview-window (selected-window)))
(other-window -1)))
(cl-defmacro blink-search-select-input-window (&rest body)
`(let* ((inhibit-message t)
(input-window (get-buffer-window blink-search-input-buffer)))
(when input-window
(select-window input-window)
(blink-search-preview-select-window)
,@body
(select-window input-window)
)))
(defun blink-search-select-start-buffer (buffer)
(unless blink-search-enable-posframe
(blink-search-select-input-window
(switch-to-buffer buffer))))
(defun blink-search-get-select-backend-name ()
(plist-get (nth blink-search-candidate-select-index blink-search-candidate-items) :backend))
(defun blink-search-get-select-candidate ()
(let* ((candidate-info
(if (get-buffer-window blink-search-backend-buffer)
(nth blink-search-backend-select-index blink-search-backend-items)
(plist-get (nth blink-search-candidate-select-index blink-search-candidate-items) :candidate)))
(candidate (blink-search-get-candidate-text candidate-info)))
candidate))
(defun blink-search-open-file (candidate)
(cond ((and (eq blink-search-file-manager 'eaf-file-manager)
(file-directory-p candidate)
(featurep 'eaf-file-manager))
(eaf-open-in-file-manager candidate))
((and (eq blink-search-file-manager 'dired)
(file-directory-p candidate))
(dired candidate))
(t (find-file candidate))))
(defun blink-search-action (action)
(interactive)
(when (> (length blink-search-candidate-items) 0)
(let* ((backend-name (blink-search-get-select-backend-name))
(candidate (blink-search-get-select-candidate)))
(blink-search-quit)
(blink-search-call-async action backend-name candidate))))
(defun blink-search-do ()
(interactive)
(blink-search-action "search_do"))
(defun blink-search-parent ()
(interactive)
(blink-search-action "search_parent"))
(defun blink-search-preview ()
(interactive)
(blink-search-call-async "select_candidate_item"))
(defun blink-search-preview-next ()
(interactive)
(blink-search-candidate-select-next)
(blink-search-call-async "select_candidate_item"))
(defun blink-search-preview-prev ()
(interactive)
(blink-search-candidate-select-prev)
(blink-search-call-async "select_candidate_item"))
(defun blink-search-continue ()
(interactive)