Files
.emacs.d/modules/siren-helm.el

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EmacsLisp

;;; siren-helm.el --- jimeh's Emacs Siren: helm configuration.
;;; Commentary:
;; Basic configuration for helm.
;;; Code:
(use-package helm
:defer t
:config
(setq helm-autoresize-mode t
helm-autoresize-max-height 30
helm-autoresize-min-height 30
helm-buffer-max-length 64
helm-case-fold-search 'smart
helm-echo-input-in-header-line t
helm-file-name-case-fold-search 'smart
helm-split-window-default-side 'below)
(setq siren-helm--did-hide-neotree nil)
;; From: https://www.reddit.com/r/emacs/comments/3asbyn/new_and_very_useful_helm_feature_enter_search/
(defun siren-helm--hide-minibuffer-maybe ()
(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))))
(add-hook 'helm-minibuffer-set-up-hook #'siren-helm--hide-minibuffer-maybe)
;; From: https://github.com/emacs-helm/helm/issues/918#issuecomment-81555133
(defun siren-helm--toggle-header-line ()
(if (= (length helm-sources) 1)
(set-face-attribute 'helm-source-header nil :height 0.1)
(set-face-attribute 'helm-source-header nil :height 1.0)))
(add-hook 'helm-before-initialize-hook #'siren-helm--toggle-header-line)
;; From: https://github.com/emacs-helm/helm/wiki/Popwin
(defun siren-helm--popwin-help-mode-off ()
"Turn `popwin-mode' off for *Help* buffers."
(when (boundp 'popwin:special-display-config)
(customize-set-variable 'popwin:special-display-config
(delq 'help-mode popwin:special-display-config))))
(add-hook 'helm-minibuffer-set-up-hook #'siren-helm--popwin-help-mode-off)
;; From: https://github.com/emacs-helm/helm/wiki/Popwin
(defun siren-helm--popwin-help-mode-on ()
"Turn `popwin-mode' on for *Help* buffers."
(when (boundp 'popwin:special-display-config)
(customize-set-variable 'popwin:special-display-config
(add-to-list 'popwin:special-display-config 'help-mode nil #'eq))))
(add-hook 'helm-cleanup-hook #'siren-helm--popwin-help-mode-on)
(defun siren-helm--hide-neotree (&rest plist)
(when (and (fboundp 'neotree-hide)
(fboundp 'neo-global--window-exists-p)
(neo-global--window-exists-p))
(setq siren-helm--did-hide-neotree t)
(neotree-hide)))
(advice-add 'helm :before 'siren-helm--hide-neotree)
(defun siren-helm--show-neotree-maybe ()
(when (and (fboundp 'neotree-show)
siren-helm--did-hide-neotree)
(setq siren-helm--did-hide-neotree nil)
(run-with-timer 0.01 nil #'neotree-show)))
(add-hook 'helm-cleanup-hook #'siren-helm--show-neotree-maybe))
(use-package helm-descbinds
:defer t)
(use-package helm-describe-modes
:defer t)
(provide 'siren-helm)
;;; siren-helm.el ends here