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blink-search


In the blink of an eye, the search is complete!


blink-search is the fastest multi-source search framework for Emacs.

It uses Python's threading technology to search candidates and offloads all the computation to external Python process, hence, the Emacs session itself stays always responsive, as it has very few things to do, such as, render candidates of visible area.

blink-search will provide smooth completion experience without compromise to slow down emacs' performance.


Show search results in split window


Show search results in popup window

Installation

  1. Install Emacs 28 and above versions
  2. Install Python dependencies: pip3 install epc requests
  3. Install external tools:
  1. Clone or download this repository (path of the folder is the <path-to-blink-search> used below).
  2. Add following code in your ~/.emacs:
(add-to-list 'load-path "<path-to-blink-search>")

(require 'blink-search)

Usage

  1. Start blink-search: M-x blink-search
  2. C-u M-x blink-search to search current symbol
  3. Typed keyword to search from all backends
  4. Search current buffer when keyword starts with #
  5. Search current directory when keyword starts with !
  6. Press Ctrl + m to select candidate or press Alt + QuickKey to select candidate match QuickKey
Grep Buffer Grep Directory

Keymap

Key Command Description
C + n blink-search-candidate-select-next Select next candidate item
C + p blink-search-candidate-select-prev Select previous candidate item
M + n blink-search-backend-select-next Select next backend item
M + p blink-search-backend-select-prev Select previous backend item
M + j blink-search-candidate-group-select-next Select next candidate group item
M + k blink-search-candidate-group-select-prev Select previous candidate group item
C + j blink-search-parent Jump to parent directory of select candidate item
C + l blink-search-continue Continue search new directory of current candidate item
C + m blink-search-do Execute action for selected candidate item
C + M + m blink-search-preview Preview selected candidate item
C + M + n blink-search-preview-next Preview next candidate item
C + M + p blink-search-preview-next Preview previous candidate item
M + w blink-search-copy Copy text of selected candidate item
C + g blink-search-quit Quit
  • blink-search-restart-process: restart blink-search process (only used for development)

Option

  • blink-search-search-backends: default backends for blink search, which is a list of backend names, nil for all backends defined in python side. For example, blink-search only search result from buffer-list and find-file backend when set this option to ("Buffer List" "Find File")
  • blink-search-enable-posframe: set this option with t, blink-search render search results by popup window, this feature need you install posframe first
  • blink-search-browser-function: the default browser used for google suggestion. The default is eaf-open-browser, you can set it to xwidget-webkit-browse-url if your emacs is built with xwidget module. Or browse-url-default-macosx-browser/browse-url-xdg-open to open the browser by your system default browser.
  • blink-search-common-directory: Common directory to search and open, default is '(("HOME" "~/"))
  • blink-search-grep-pdf-search-paths: Paths to search for pdf files.
  • blink-search-grep-pdf-backend: Backend to use for pdf files, default is 'pdf-tools, set to 'eaf-pdf-viewer if you prefer to use EAF pdf viewer.

Search Backend

blink-search has completed the following search backends:

  • History: search history of execute action
  • Buffer List: search buffer list
  • Common Directory: search your favorite common directories, you can customize option blink-search-common-directory
  • Recent File: search recent files
  • Current Buffer: use ripgrep grep content of current buffer
  • Grep File: use ripgrep grep files under git project or current directory
  • IMenu: search variable/function of current buffer that base on imenu
  • Find File: use fd search files under git project or current directory
  • EAF Browser: search history of EAF browser
  • Elisp Symbol: search elisp symbol
  • Google Suggest: search google suggestions and open in browser
  • Key Value: read/get/del/update key-value pairs in sqlite3, require sqlite3 and ensure pip install sqlite3 at first
  • Grep PDF: use rga search pdf files in several directories with blink-search-grep-pdf-search-paths
  • PDF: use rga search current pdf file

Report bug

Please use emacs -q and load a minimal setup with only blink-search to verify that the bug is reproducible. If emacs -q works fine, probably something is wrong with your Emacs config.

If the problem still exists, please report it here with *blink-search* buffer content, it contains many clues that can help us locate the problem faster.

If you get a segfault error, please use the following way to collect crash information:

  1. Install gdb and turn on option blink-search-enable-debug
  2. Use the command blink-search-stop-process to stop the current process
  3. Restart blink-search, send issue with *blink-search* buffer content when next crash

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