spacemacs/layers/+spacemacs/spacemacs-completion/funcs.el
Nir Friedman ed1f782bdf Add option for helm fuzzy matching
Change-Id: If3f59e53fa954c230938876184852d1a34f3e7d3
2016-08-17 20:53:45 +02:00

214 lines
7.8 KiB
EmacsLisp
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; funcs.el --- Spacemacs Completion Layer functions File for Spacemacs
;;
;; Copyright (c) 2012-2016 Sylvain Benner & Contributors
;;
;; Author: Sylvain Benner <sylvain.benner@gmail.com>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
;; Helm
(defun spacemacs/helm-faces ()
"Describe face."
(interactive)
(require 'helm-elisp)
(let ((default (or (face-at-point) (thing-at-point 'symbol))))
(helm :sources (helm-def-source--emacs-faces
(format "%s" (or default "default")))
:buffer "*helm faces*")))
(defun spacemacs//hide-cursor-in-helm-buffer ()
"Hide the cursor in helm buffers."
(with-helm-buffer
(setq cursor-in-non-selected-windows nil)))
(defun spacemacs//set-dotted-directory ()
"Set the face of diretories for `.' and `..'"
(set-face-attribute 'helm-ff-dotted-directory
nil
:foreground nil
:background nil
:inherit 'helm-ff-directory))
(defun spacemacs//helm-make-source (f &rest args)
"Function to be used as advice to activate fuzzy matching for all sources."
(let ((source-type (cadr args))
(props (cddr args)))
(unless (eq source-type 'helm-source-async)
(plist-put props :fuzzy-match (eq 'always dotspacemacs-helm-use-fuzzy))))
(apply f args))
;; Helm Header line
(defun spacemacs//helm-hide-minibuffer-maybe ()
"Hide minibuffer in Helm session if we use the header line as input field."
(when (with-helm-buffer helm-echo-input-in-header-line)
(let ((ov (make-overlay (point-min) (point-max) nil nil t)))
(overlay-put ov 'window (selected-window))
(overlay-put ov 'face
(let ((bg-color (face-background 'default nil)))
`(:background ,bg-color :foreground ,bg-color)))
(setq-local cursor-type nil))))
(defun helm-toggle-header-line ()
"Hide the `helm' header if there is only one source."
(when dotspacemacs-helm-no-header
(if (> (length helm-sources) 1)
(set-face-attribute
'helm-source-header
nil
:foreground helm-source-header-default-foreground
:background helm-source-header-default-background
:box helm-source-header-default-box
:height helm-source-header-default-height)
(set-face-attribute
'helm-source-header
nil
:foreground (face-attribute 'default :background)
:background (face-attribute 'default :background)
:box nil
:height 0.1))))
;; helm navigation on hjkl
(defun spacemacs//helm-hjkl-navigation (style)
"Set navigation on 'hjkl' for the given editing STYLE."
(cond
((or (eq 'vim style)
(and (eq 'hybrid style)
hybrid-mode-enable-hjkl-bindings))
(define-key helm-map (kbd "C-j") 'helm-next-line)
(define-key helm-map (kbd "C-k") 'helm-previous-line)
(define-key helm-map (kbd "C-h") 'helm-next-source)
(define-key helm-map (kbd "C-S-h") 'describe-key)
(define-key helm-map (kbd "C-l") (kbd "RET"))
(with-eval-after-load 'helm-files
(dolist (keymap (list helm-find-files-map helm-read-file-map))
(define-key keymap (kbd "C-l") 'helm-execute-persistent-action)
(define-key keymap (kbd "C-h") 'helm-find-files-up-one-level)
;; rebind `describe-key' for convenience
(define-key keymap (kbd "C-S-h") 'describe-key))))
(t
(define-key helm-map (kbd "C-j") 'helm-execute-persistent-action)
(define-key helm-map (kbd "C-k") 'helm-delete-minibuffer-contents)
(define-key helm-map (kbd "C-h") nil)
(define-key helm-map
(kbd "C-l") 'helm-recenter-top-bottom-other-window))))
;; Helm Window position
(defvar spacemacs-helm-display-help-buffer-regexp '("*.*Helm.*Help.**"))
(defvar spacemacs-helm-display-buffer-regexp
`("*.*helm.**"
(display-buffer-in-side-window)
(inhibit-same-window . t)
(side . ,dotspacemacs-helm-position)
(window-width . 0.6)
(window-height . 0.4)))
(defvar spacemacs-display-buffer-alist nil)
(defun spacemacs//display-helm-window (buffer)
"Display the Helm window respecting `dotspacemacs-helm-position'."
(let ((display-buffer-alist
(list spacemacs-helm-display-help-buffer-regexp
;; this or any specialized case of Helm buffer must be
;; added AFTER `spacemacs-helm-display-buffer-regexp'.
;; Otherwise, `spacemacs-helm-display-buffer-regexp' will
;; be used before
;; `spacemacs-helm-display-help-buffer-regexp' and display
;; configuration for normal Helm buffer is applied for helm
;; help buffer, making the help buffer unable to be
;; displayed.
spacemacs-helm-display-buffer-regexp)))
(helm-default-display-buffer buffer)))
(defun spacemacs//unprevent-minibuffer-escape ()
"Workaround for a helm-evil incompatibility.
See https://github.com/syl20bnr/spacemacs/issues/3700"
(when helm-prevent-escaping-from-minibuffer
(define-key evil-motion-state-map
[down-mouse-1] 'evil-mouse-drag-region)))
(defun spacemacs//prevent-minibuffer-escape ()
"Workaround for a helm-evil incompatibility.
See https://github.com/syl20bnr/spacemacs/issues/3700"
(when helm-prevent-escaping-from-minibuffer
(define-key evil-motion-state-map [down-mouse-1] nil)))
;; Helm Transient state
(defun spacemacs//define-helm-action-functions ()
"Define Spacemacs functions to pick actions."
(dotimes (n 10)
(let ((func (intern (format "spacemacs/helm-action-%d" n)))
(doc (format "Select helm action #%d" n)))
(eval `(defun ,func ()
,doc
(intern)
(helm-select-nth-action ,(1- n)))))))
(defun spacemacs/helm-ts-edit ()
"Switch in edit mode depending on the current helm buffer."
(interactive)
(cond
((string-equal "*helm-ag*" helm-buffer)
(helm-ag-edit))))
(defun spacemacs//helm-navigation-ts-on-enter ()
"Initialization of helm transient-state."
;; faces
(spacemacs//helm-navigation-ts-set-face)
(setq spacemacs--helm-navigation-ts-face-cookie-minibuffer
(face-remap-add-relative
'minibuffer-prompt
'spacemacs-helm-navigation-ts-face)))
(defun spacemacs//helm-navigation-ts-set-face ()
"Set the face for helm header in helm navigation transient-state"
(with-helm-window
(setq spacemacs--helm-navigation-ts-face-cookie-header
(face-remap-add-relative
'helm-header
'spacemacs-helm-navigation-ts-face))))
(defun spacemacs//helm-navigation-ts-on-exit ()
"Action to perform when exiting helm transient-state."
(with-helm-window
(face-remap-remove-relative
spacemacs--helm-navigation-ts-face-cookie-header))
(face-remap-remove-relative
spacemacs--helm-navigation-ts-face-cookie-minibuffer))
(defun spacemacs/helm-transient-state-select-action ()
"Display the Helm actions page."
(interactive)
(call-interactively 'helm-select-action)
(spacemacs//helm-navigation-ts-set-face))
;; Ivy
(defun spacemacs//ivy-hjkl-navigation (style)
"Set navigation on 'hjkl' for the given editing STYLE."
(cond
((or (eq 'vim style)
(and (eq 'hybrid style)
hybrid-mode-enable-hjkl-bindings))
(define-key ivy-minibuffer-map (kbd "C-j") 'ivy-next-line)
(define-key ivy-minibuffer-map (kbd "C-k") 'ivy-previous-line)
(define-key ivy-minibuffer-map (kbd "C-h") (kbd "DEL"))
;; Move C-h to C-S-h
(define-key ivy-minibuffer-map (kbd "C-S-h") help-map)
(define-key ivy-minibuffer-map (kbd "C-l") 'ivy-alt-done)
(define-key ivy-minibuffer-map (kbd "<escape>")
'minibuffer-keyboard-quit))
(t
(define-key ivy-minibuffer-map (kbd "C-j") 'ivy-alt-done)
(define-key ivy-minibuffer-map (kbd "C-k") 'ivy-kill-line)
(define-key ivy-minibuffer-map (kbd "C-h") nil)
(define-key ivy-minibuffer-map (kbd "C-l") nil))))