185 lines
7 KiB
EmacsLisp
185 lines
7 KiB
EmacsLisp
;;; funcs.el --- Helm Layer functions File for Spacemacs
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;;
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;; Copyright (c) 2012-2016 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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(defun spacemacs//helm-cleanup ()
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"Cleanup some helm related states when quitting."
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;; deactivate any running transient map (transient-state)
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(setq overriding-terminal-local-map nil))
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;; REPLs integration
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(defun helm-available-repls ()
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"Show all the repls available."
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(interactive)
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(let ((helm-available-repls
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`((name . "HELM available REPLs")
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(candidates . ,(mapcar #'car spacemacs-repl-list))
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(action . (lambda (candidate)
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(let ((repl (cdr (assoc candidate spacemacs-repl-list))))
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(require (car repl))
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(call-interactively (cdr repl))))))))
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(helm :sources '(helm-available-repls)
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:buffer "*helm repls*")))
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;; Search tools integration
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(defun spacemacs//helm-do-grep-region-or-symbol
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(&optional targs use-region-or-symbol-p)
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"Version of `helm-do-grep' with a default input."
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(interactive)
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(require 'helm)
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(cl-letf*
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(((symbol-function 'this-fn) (symbol-function 'helm-do-grep-1))
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((symbol-function 'helm-do-grep-1)
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(lambda (targets &optional recurse zgrep exts
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default-input region-or-symbol-p)
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(let* ((new-input (when region-or-symbol-p
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(if (region-active-p)
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(buffer-substring-no-properties
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(region-beginning) (region-end))
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(thing-at-point 'symbol t))))
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(quoted-input (when new-input
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(rxt-quote-pcre new-input))))
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(this-fn targets recurse zgrep exts
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default-input quoted-input))))
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(preselection (or (dired-get-filename nil t)
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(buffer-file-name (current-buffer))))
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(targets (if targs
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targs
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(helm-read-file-name
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"Search in file(s): "
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:marked-candidates t
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:preselect (if helm-ff-transformer-show-only-basename
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(helm-basename preselection)
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preselection)))))
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(helm-do-grep-1 targets nil nil nil nil use-region-or-symbol-p)))
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(defun spacemacs/helm-file-do-grep ()
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"Search in current file with `grep' using a default input."
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(interactive)
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(spacemacs//helm-do-grep-region-or-symbol
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(list (buffer-file-name (current-buffer))) nil))
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(defun spacemacs/helm-file-do-grep-region-or-symbol ()
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"Search in current file with `grep' using a default input."
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(interactive)
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(spacemacs//helm-do-grep-region-or-symbol
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(list (buffer-file-name (current-buffer))) t))
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(defun spacemacs/helm-files-do-grep ()
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"Search in files with `grep'."
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(interactive)
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(spacemacs//helm-do-grep-region-or-symbol nil nil))
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(defun spacemacs/helm-files-do-grep-region-or-symbol ()
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"Search in files with `grep' using a default input."
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(interactive)
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(spacemacs//helm-do-grep-region-or-symbol nil t))
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(defun spacemacs/helm-buffers-do-grep ()
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"Search in opened buffers with `grep'."
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(interactive)
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(let ((buffers (cl-loop for buffer in (buffer-list)
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when (buffer-file-name buffer)
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collect (buffer-file-name buffer))))
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(spacemacs//helm-do-grep-region-or-symbol buffers nil)))
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(defun spacemacs/helm-buffers-do-grep-region-or-symbol ()
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"Search in opened buffers with `grep' with a default input."
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(interactive)
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(let ((buffers (cl-loop for buffer in (buffer-list)
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when (buffer-file-name buffer)
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collect (buffer-file-name buffer))))
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(spacemacs//helm-do-grep-region-or-symbol buffers t)))
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(defun spacemacs/resume-last-search-buffer ()
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"open last helm-ag or hgrep buffer."
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(interactive)
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(cond ((get-buffer "*helm ag results*")
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(switch-to-buffer-other-window "*helm ag results*"))
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((get-buffer "*helm-ag*")
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(helm-resume "*helm-ag*"))
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((get-buffer "*hgrep*")
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(switch-to-buffer-other-window "*hgrep*"))
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(t
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(message "No previous search buffer found"))))
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(defun spacemacs/helm-find-files (arg)
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"Custom spacemacs implementation for calling helm-find-files-1.
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Removes the automatic guessing of the initial value based on thing at point. "
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(interactive "P")
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(let* ((hist (and arg helm-ff-history (helm-find-files-history)))
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(default-input hist)
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(input (cond ((and (eq major-mode 'dired-mode) default-input)
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(file-name-directory default-input))
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((and (not (string= default-input ""))
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default-input))
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(t (expand-file-name (helm-current-directory))))))
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(set-text-properties 0 (length input) nil input)
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(helm-find-files-1 input)))
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;; Key bindings
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(defmacro spacemacs||set-helm-key (keys func)
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"Define a key bindings for FUNC using KEYS.
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Ensure that helm is required before calling FUNC."
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(let ((func-name (intern (format "spacemacs/%s" (symbol-name func)))))
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`(progn
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(defun ,func-name ()
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,(format "Wrapper to ensure that `helm' is loaded before calling %s."
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(symbol-name func))
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(interactive)
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(require 'helm)
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(call-interactively ',func))
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(spacemacs/set-leader-keys ,keys ',func-name))))
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(defun spacemacs//helm-find-files-edit (candidate)
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"Opens a dired buffer and immediately switches to editable mode."
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(dired (file-name-directory candidate))
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(dired-goto-file candidate)
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(dired-toggle-read-only))
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(defun spacemacs/helm-find-files-edit ()
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"Exits helm, opens a dired buffer and immediately switches to editable mode."
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(interactive)
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(helm-exit-and-execute-action 'spacemacs//helm-find-files-edit))
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;; Generalized next-error interface
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(defun spacemacs//gne-init-helm-ag (&rest args)
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(with-current-buffer "*helm ag results*"
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(setq spacemacs--gne-min-line 5
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spacemacs--gne-max-line (save-excursion
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(goto-char (point-max))
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(previous-line)
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(line-number-at-pos))
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spacemacs--gne-line-func
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(lambda (c)
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(helm-ag--find-file-action
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c 'find-file helm-ag--search-this-file-p))
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next-error-function 'spacemacs//gne-next)))
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(defun spacemacs//gne-init-helm-grep (&rest args)
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(with-current-buffer "*hgrep*"
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(setq spacemacs--gne-min-line 5
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spacemacs--gne-max-line
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(save-excursion
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(goto-char (point-max))
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(previous-line)
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(line-number-at-pos))
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spacemacs--gne-line-func 'helm-grep-action
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next-error-function 'spacemacs//gne-next)))
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