2023-02-21 18:17:08 +00:00
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;;; helm-misc.el --- Various functions for helm -*- lexical-binding: t -*-
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;; Copyright (C) 2012 ~ 2023 Thierry Volpiatto
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Code:
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(require 'cl-lib)
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(require 'helm)
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(require 'helm-help)
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(require 'helm-types)
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(declare-function display-time-world-display "time.el")
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(defvar display-time-world-list)
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(declare-function LaTeX-math-mode "ext:latex.el")
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(declare-function jabber-chat-with "ext:jabber.el")
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(declare-function jabber-read-account "ext:jabber.el")
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(declare-function helm-comp-read "helm-mode")
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2024-07-28 16:03:37 +00:00
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(declare-function outline-back-to-heading "outline.el")
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(declare-function outline-end-of-heading "outline.el")
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2023-02-21 18:17:08 +00:00
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(defgroup helm-misc nil
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"Various Applications and libraries for Helm."
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:group 'helm)
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(defcustom helm-time-zone-home-location "Paris"
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"The time zone of your home."
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:group 'helm-misc
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:type 'string)
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(defcustom helm-timezone-actions
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'(("Set timezone env (TZ)" . (lambda (candidate)
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(setenv "TZ" candidate))))
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"Actions for helm-timezone."
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:group 'helm-misc
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:type '(alist :key-type string :value-type function))
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(defface helm-time-zone-current
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`((t ,@(and (>= emacs-major-version 27) '(:extend t))
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:foreground "green"))
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"Face used to colorize current time in `helm-world-time'."
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:group 'helm-misc)
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(defface helm-time-zone-home
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`((t ,@(and (>= emacs-major-version 27) '(:extend t))
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:foreground "red"))
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"Face used to colorize home time in `helm-world-time'."
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:group 'helm-misc)
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;;; Latex completion
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;;
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;; Test
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;; (setq LaTeX-math-menu '("Math"
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;; ["foo" val0 t]
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;; ("bar"
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;; ["baz" val1 t])
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;; ("aze"
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;; ["zer" val2 t])
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;; ("AMS"
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;; ("rec"
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;; ["fer" val3 t])
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;; ("rty"
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;; ["der" val4 t]))
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;; ("ABC"
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;; ("xcv"
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;; ["sdf" val5 t])
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;; ("dfg"
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;; ["fgh" val6 t]))))
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;; (helm-latex-math-candidates)
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;; =>
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;; (("foo" . val0)
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;; ("baz" . val1)
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;; ("zer" . val2)
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;; ("fer" . val3)
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;; ("der" . val4)
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;; ("sdf" . val5)
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;; ("fgh" . val6))
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(defvar LaTeX-math-menu)
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(defun helm-latex-math-candidates ()
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(cl-labels ((helm-latex--math-collect (L)
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(cond ((vectorp L)
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(list (cons (aref L 0) (aref L 1))))
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((listp L)
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(cl-loop for a in L nconc
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(helm-latex--math-collect a))))))
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(helm-latex--math-collect LaTeX-math-menu)))
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(defvar helm-source-latex-math
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(helm-build-sync-source "Latex Math Menu"
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:init (lambda ()
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(with-helm-current-buffer
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(LaTeX-math-mode 1)))
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:candidate-number-limit 9999
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:candidates 'helm-latex-math-candidates
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:action (lambda (candidate)
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(call-interactively candidate))))
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;;; Jabber Contacts (jabber.el)
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(defun helm-jabber-online-contacts ()
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"List online Jabber contacts."
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(with-no-warnings
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(cl-loop for item in (jabber-concat-rosters)
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when (get item 'connected)
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collect
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(if (get item 'name)
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(cons (get item 'name) item)
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(cons (symbol-name item) item)))))
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(defvar helm-source-jabber-contacts
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(helm-build-sync-source "Jabber Contacts"
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:init (lambda () (require 'jabber))
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:candidates (lambda () (mapcar 'car (helm-jabber-online-contacts)))
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:action (lambda (x)
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(jabber-chat-with
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(jabber-read-account)
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(symbol-name
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(cdr (assoc x (helm-jabber-online-contacts))))))))
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;;; World time
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;;
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(defvar zoneinfo-style-world-list)
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(defvar legacy-style-world-list)
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(defun helm-time-zone-transformer (candidates _source)
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(cl-loop for i in candidates
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for (z . p) in display-time-world-list
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collect
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(cons
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(cond ((string-match (format-time-string "%H:%M" (current-time)) i)
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(propertize i 'face 'helm-time-zone-current))
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((string-match helm-time-zone-home-location i)
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(propertize i 'face 'helm-time-zone-home))
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(t i))
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z)))
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(defvar helm-source-time-world
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(helm-build-in-buffer-source "Time World List"
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:init (lambda ()
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(require 'time)
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(unless (and display-time-world-list
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(listp display-time-world-list))
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;; adapted from `time--display-world-list' from
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;; emacs-27 for compatibility as
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;; `display-time-world-list' is set by default to t.
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(setq display-time-world-list
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;; Determine if zoneinfo style timezones are
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;; supported by testing that America/New York and
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;; Europe/London return different timezones.
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(let ((nyt (format-time-string "%z" nil "America/New_York"))
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(gmt (format-time-string "%z" nil "Europe/London")))
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(if (string-equal nyt gmt)
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legacy-style-world-list
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zoneinfo-style-world-list)))))
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:data (lambda ()
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(with-temp-buffer
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(display-time-world-display display-time-world-list)
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(buffer-string)))
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:action 'helm-timezone-actions
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:filtered-candidate-transformer 'helm-time-zone-transformer))
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;;; Commands
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;;
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(defun helm-call-interactively (cmd-or-name)
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"Execute CMD-OR-NAME as Emacs command.
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It is added to `extended-command-history'.
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`helm-current-prefix-arg' is used as the command's prefix argument."
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(setq extended-command-history
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(cons (helm-stringify cmd-or-name)
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(delete (helm-stringify cmd-or-name) extended-command-history)))
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(let ((current-prefix-arg helm-current-prefix-arg)
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(cmd (helm-symbolify cmd-or-name)))
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(if (stringp (symbol-function cmd))
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(execute-kbd-macro (symbol-function cmd))
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(setq this-command cmd)
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(call-interactively cmd))))
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;;; Minibuffer History
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;;
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;;
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(defvar helm-minibuffer-history-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map helm-map)
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(define-key map [remap helm-minibuffer-history] 'undefined)
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map))
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(defcustom helm-minibuffer-history-must-match t
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"Allow inserting non matching elements when nil or \\='confirm."
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:group 'helm-misc
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:type '(choice
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(const :tag "Must match" t)
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(const :tag "Confirm" confirm)
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(const :tag "Always allow" nil)))
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(defcustom helm-minibuffer-history-key "C-r"
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"The key `helm-minibuffer-history' is bound to in minibuffer local maps."
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:type '(choice (string :tag "Key") (const :tag "no binding"))
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:group 'helm-mode)
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(defconst helm-minibuffer-history-old-key
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(cl-loop for map in '(minibuffer-local-completion-map
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minibuffer-local-filename-completion-map
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minibuffer-local-filename-must-match-map ; Emacs 23.1.+
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minibuffer-local-isearch-map
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minibuffer-local-map
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minibuffer-local-must-match-filename-map ; Older Emacsen
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minibuffer-local-must-match-map
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minibuffer-local-ns-map)
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when (and (boundp map) (symbol-value map))
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collect (cons map (lookup-key (symbol-value map) "\C-r"))))
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;;;###autoload
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(define-minor-mode helm-minibuffer-history-mode
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"Bind `helm-minibuffer-history-key' in al minibuffer maps.
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This mode is enabled by `helm-mode', so there is no need to enable it directly."
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:group 'helm-misc
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:global t
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(if helm-minibuffer-history-mode
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(let ((key helm-minibuffer-history-key))
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(dolist (map '(minibuffer-local-completion-map
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minibuffer-local-filename-completion-map
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minibuffer-local-filename-must-match-map ; Emacs 23.1.+
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minibuffer-local-isearch-map
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minibuffer-local-map
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minibuffer-local-must-match-filename-map ; Older Emacsen
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minibuffer-local-must-match-map
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minibuffer-local-ns-map))
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(let ((vmap (and (boundp map) (symbol-value map))))
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(when (keymapp vmap)
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(let ((val (and (boundp 'helm-minibuffer-history-key)
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(symbol-value 'helm-minibuffer-history-key))))
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(when val
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(define-key vmap
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(if (stringp val) (read-kbd-macro val) val)
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nil)))
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(when key
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(define-key (symbol-value map)
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(if (stringp key) (read-kbd-macro key) key)
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'helm-minibuffer-history))))))
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(dolist (map '(minibuffer-local-completion-map
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minibuffer-local-filename-completion-map
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minibuffer-local-filename-must-match-map
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minibuffer-local-isearch-map
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minibuffer-local-map
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minibuffer-local-must-match-filename-map
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minibuffer-local-must-match-map
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minibuffer-local-ns-map))
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(let ((vmap (and (boundp map) (symbol-value map))))
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(when (keymapp vmap)
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(let ((val (and (boundp 'helm-minibuffer-history-key)
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(symbol-value 'helm-minibuffer-history-key))))
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(when val
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(define-key vmap
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(if (stringp val) (read-kbd-macro val) val)
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(assoc-default map helm-minibuffer-history-old-key)))))))))
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;;; Helm ratpoison UI
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;;
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;;
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(defvar helm-source-ratpoison-commands
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(helm-build-in-buffer-source "Ratpoison Commands"
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:init 'helm-ratpoison-commands-init
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:action (helm-make-actions
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"Execute the command" 'helm-ratpoison-commands-execute)
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:display-to-real 'helm-ratpoison-commands-display-to-real
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:candidate-number-limit 999999))
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(defun helm-ratpoison-commands-init ()
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(unless (helm-candidate-buffer)
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(with-current-buffer (helm-candidate-buffer 'global)
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;; with ratpoison prefix key
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(save-excursion
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(call-process "ratpoison" nil (current-buffer) nil "-c" "help"))
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(while (re-search-forward "^\\([^ ]+\\) \\(.+\\)$" nil t)
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(replace-match "<ratpoison> \\1: \\2"))
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(goto-char (point-max))
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;; direct binding
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(save-excursion
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(call-process "ratpoison" nil (current-buffer) nil "-c" "help top"))
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(while (re-search-forward "^\\([^ ]+\\) \\(.+\\)$" nil t)
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(replace-match "\\1: \\2")))))
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(defun helm-ratpoison-commands-display-to-real (display)
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(and (string-match ": " display)
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(substring display (match-end 0))))
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(defun helm-ratpoison-commands-execute (candidate)
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(call-process "ratpoison" nil nil nil "-ic" candidate))
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;;; Helm stumpwm UI
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;;
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;;
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(defvar helm-source-stumpwm-commands
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(helm-build-in-buffer-source "Stumpwm Commands"
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:init 'helm-stumpwm-commands-init
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:action (helm-make-actions
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"Execute the command" 'helm-stumpwm-commands-execute)
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:candidate-number-limit 999999))
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(defun helm-stumpwm-commands-init ()
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(with-current-buffer (helm-candidate-buffer 'global)
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(save-excursion
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(call-process "stumpish" nil (current-buffer) nil "commands"))
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(while (re-search-forward "[ ]*\\([^ ]+\\)[ ]*\n?" nil t)
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(replace-match "\n\\1\n"))
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(delete-blank-lines)
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(sort-lines nil (point-min) (point-max))
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(goto-char (point-max))))
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(defun helm-stumpwm-commands-execute (candidate)
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(call-process "stumpish" nil nil nil candidate))
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;;;###autoload
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(defun helm-world-time ()
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"Preconfigured `helm' to show world time.
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Default action change TZ environment variable locally to emacs."
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(interactive)
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(helm-other-buffer 'helm-source-time-world "*helm world time*"))
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;;;###autoload
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(defun helm-insert-latex-math ()
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"Preconfigured helm for latex math symbols completion."
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(interactive)
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(helm-other-buffer 'helm-source-latex-math "*helm latex*"))
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;;;###autoload
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(defun helm-ratpoison-commands ()
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"Preconfigured `helm' to execute ratpoison commands."
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(interactive)
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|
(helm-other-buffer 'helm-source-ratpoison-commands
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"*helm ratpoison commands*"))
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;;;###autoload
|
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(defun helm-stumpwm-commands()
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"Preconfigured helm for stumpwm commands."
|
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|
(interactive)
|
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|
|
|
|
(helm-other-buffer 'helm-source-stumpwm-commands
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|
"*helm stumpwm commands*"))
|
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;;;###autoload
|
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|
|
(defun helm-minibuffer-history ()
|
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|
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|
|
"Preconfigured `helm' for `minibuffer-history'."
|
|
|
|
|
|
(interactive)
|
|
|
|
|
|
(cl-assert (minibuffer-window-active-p (selected-window)) nil
|
|
|
|
|
|
"Error: Attempt to use minibuffer history outside a minibuffer")
|
|
|
|
|
|
(let* ((enable-recursive-minibuffers t)
|
|
|
|
|
|
(query-replace-p (or (eq last-command 'query-replace)
|
|
|
|
|
|
(eq last-command 'query-replace-regexp)))
|
|
|
|
|
|
(elm (helm-comp-read "Next element matching (regexp): "
|
|
|
|
|
|
(cl-loop for i in
|
|
|
|
|
|
(symbol-value minibuffer-history-variable)
|
|
|
|
|
|
unless (equal "" i) collect i into history
|
|
|
|
|
|
finally return
|
|
|
|
|
|
(if (consp (car history))
|
|
|
|
|
|
(mapcar 'prin1-to-string history)
|
|
|
|
|
|
history))
|
|
|
|
|
|
:header-name
|
|
|
|
|
|
(lambda (name)
|
|
|
|
|
|
(format "%s (%s)" name minibuffer-history-variable))
|
|
|
|
|
|
:buffer "*helm minibuffer-history*"
|
|
|
|
|
|
:must-match helm-minibuffer-history-must-match
|
|
|
|
|
|
:multiline t
|
|
|
|
|
|
:keymap helm-minibuffer-history-map
|
|
|
|
|
|
:allow-nest t)))
|
|
|
|
|
|
;; Fix Bug#1667 with emacs-25+ `query-replace-from-to-separator'.
|
|
|
|
|
|
(when (and (boundp 'query-replace-from-to-separator) query-replace-p)
|
|
|
|
|
|
(let ((pos (string-match "\0" elm)))
|
|
|
|
|
|
(and pos
|
|
|
|
|
|
(add-text-properties
|
|
|
|
|
|
pos (1+ pos)
|
|
|
|
|
|
`(display ,query-replace-from-to-separator separator t)
|
|
|
|
|
|
elm))))
|
|
|
|
|
|
(delete-minibuffer-contents)
|
|
|
|
|
|
(insert elm)))
|
|
|
|
|
|
|
2024-07-28 16:03:37 +00:00
|
|
|
|
;;;###autoload
|
|
|
|
|
|
(defun helm-outline ()
|
|
|
|
|
|
"Basic helm navigation tool for outline buffers."
|
|
|
|
|
|
(interactive)
|
|
|
|
|
|
(helm :sources (helm-build-sync-source "helm outline"
|
|
|
|
|
|
:candidates
|
|
|
|
|
|
(lambda ()
|
|
|
|
|
|
(with-helm-current-buffer
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(cl-loop while (re-search-forward outline-regexp nil t)
|
|
|
|
|
|
for beg = (match-beginning 0)
|
|
|
|
|
|
for end = (progn
|
|
|
|
|
|
(outline-end-of-heading) (point))
|
|
|
|
|
|
collect
|
|
|
|
|
|
(cons (buffer-substring beg end) beg)))))
|
|
|
|
|
|
:action (lambda (pos)
|
|
|
|
|
|
(helm-goto-char pos)
|
|
|
|
|
|
(helm-highlight-current-line)))
|
|
|
|
|
|
:preselect (save-excursion
|
|
|
|
|
|
(when (condition-case _err
|
|
|
|
|
|
(outline-back-to-heading)
|
|
|
|
|
|
(error nil))
|
|
|
|
|
|
(regexp-quote
|
|
|
|
|
|
(buffer-substring
|
|
|
|
|
|
(point) (progn (outline-end-of-heading) (point))))))
|
|
|
|
|
|
:buffer "*helm outline*"))
|
2023-02-21 18:17:08 +00:00
|
|
|
|
|
|
|
|
|
|
(provide 'helm-misc)
|
|
|
|
|
|
|
|
|
|
|
|
;;; helm-misc.el ends here
|
