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spacemacs/core/core-themes-support.el
bmag 615ed388a5 cycle themes: handle backward argument better and cleanup
Change meaningful values of BACKWARD argument to just nil and non-nil.

Get rid of spacemacs--cycle-themes, it was unnecessary.

Create a defvar for spacemacs--cur-theme.
2017-10-21 15:33:12 +03:00

339 lines
16 KiB
EmacsLisp

;;; core-themes-support.el --- Spacemacs Core File
;;
;; Copyright (c) 2012-2017 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
(defconst emacs-built-in-themes (cons 'default (custom-available-themes))
"List of emacs built-in themes")
(defvar spacemacs--fallback-theme 'spacemacs-dark
"Fallback theme if user theme cannot be applied.")
(defvar spacemacs--delayed-user-theme nil
"Internal variable storing user theme to be installed.")
(defvar spacemacs--cur-theme nil
"Internal variable storing currently loaded theme.")
(defface org-kbd
'((t (:background "LemonChiffon1" :foreground "black" :box
(:line-width 2 :color nil :style released-button))))
"Face for displaying key bindings in Spacemacs documents."
:group 'org-faces)
(defconst spacemacs-theme-name-to-package
'(
(alect-black-alt . alect-themes)
(alect-black . alect-themes)
(alect-dark-alt . alect-themes)
(alect-dark . alect-themes)
(alect-light-alt . alect-themes)
(alect-light . alect-themes)
(ample-light . ample-theme)
(ample-flat . ample-theme)
(apropospriate-light . apropospriate-theme)
(apropospriate-dark . apropospriate-theme)
(base16-3024 . base16-theme)
(base16-apathy . base16-theme)
(base16-ashes . base16-theme)
(base16-atelier-cave-light . base16-theme)
(base16-atelier-cave . base16-theme)
(base16-atelier-dune-light . base16-theme)
(base16-atelier-dune . base16-theme)
(base16-atelier-estuary-light . base16-theme)
(base16-atelier-estuary . base16-theme)
(base16-atelier-forest-light . base16-theme)
(base16-atelier-forest . base16-theme)
(base16-atelier-heath-light . base16-theme)
(base16-atelier-heath . base16-theme)
(base16-atelier-lakeside-light . base16-theme)
(base16-atelier-lakeside . base16-theme)
(base16-atelier-plateau-light . base16-theme)
(base16-atelier-plateau . base16-theme)
(base16-atelier-savanna-light . base16-theme)
(base16-atelier-savanna . base16-theme)
(base16-atelier-seaside-light . base16-theme)
(base16-atelier-seaside . base16-theme)
(base16-atelier-sulphurpool-light . base16-theme)
(base16-atelier-sulphurpool . base16-theme)
(base16-bespin . base16-theme)
(base16-brewer . base16-theme)
(base16-bright . base16-theme)
(base16-chalk . base16-theme)
(base16-codeschool . base16-theme)
(base16-cupcake . base16-theme)
(base16-darktooth . base16-theme)
(base16-default-dark . base16-theme)
(base16-default-light . base16-theme)
(base16-dracula . base16-theme)
(base16-eighties . base16-theme)
(base16-embers . base16-theme)
(base16-flat . base16-theme)
(base16-github . base16-theme)
(base16-google-dark . base16-theme)
(base16-google-light . base16-theme)
(base16-grayscale-dark . base16-theme)
(base16-grayscale-light . base16-theme)
(base16-green-screen . base16-theme)
(base16-harmonic16-dark . base16-theme)
(base16-harmonic16-light . base16-theme)
(base16-hopscotch . base16-theme)
(base16-ir-black . base16-theme)
(base16-isotope . base16-theme)
(base16-london-tube . base16-theme)
(base16-macintosh . base16-theme)
(base16-marrakesh . base16-theme)
(base16-materia . base16-theme)
(base16-mexico-light . base16-theme)
(base16-mocha . base16-theme)
(base16-monokai . base16-theme)
(base16-ocean . base16-theme)
(base16-oceanicnext . base16-theme)
(base16-onedark . base16-theme)
(base16-paraiso . base16-theme)
(base16-phd . base16-theme)
(base16-pico . base16-theme)
(base16-pop . base16-theme)
(base16-railscasts . base16-theme)
(base16-rebecca . base16-theme)
(base16-seti . base16-theme)
(base16-seti-ui . base16-theme)
(base16-shapeshifter . base16-theme)
(base16-solarflare . base16-theme)
(base16-solarized-dark . base16-theme)
(base16-solarized-light . base16-theme)
(base16-spacemacs . base16-theme)
(base16-summerfruit-dark . base16-theme)
(base16-summerfruit-light . base16-theme)
(base16-tomorrow-night . base16-theme)
(base16-tomorrow . base16-theme)
(base16-tube . base16-theme)
(base16-twilight . base16-theme)
(base16-unikitty-dark . base16-theme)
(base16-unikitty-light . base16-theme)
(base16-woodland . base16-theme)
(sanityinc-solarized-dark . color-theme-sanityinc-solarized)
(sanityinc-solarized-light . color-theme-sanityinc-solarized)
(sanityinc-tomorrow-blue . color-theme-sanityinc-tomorrow)
(sanityinc-tomorrow-bright . color-theme-sanityinc-tomorrow)
(sanityinc-tomorrow-day . color-theme-sanityinc-tomorrow)
(sanityinc-tomorrow-eighties . color-theme-sanityinc-tomorrow)
(sanityinc-tomorrow-night . color-theme-sanityinc-tomorrow)
(doom-molokai . doom-themes)
(doom-mono-dark . doom-themes)
(doom-mono-light . doom-themes)
(doom-nova . doom-themes)
(doom-one . doom-themes)
(doom-one-light . doom-themes)
(doom-peacock . doom-themes)
(doom-spacegrey . doom-themes)
(doom-tomorrow-day . doom-themes)
(doom-tomorrow-night . doom-themes)
(doom-tron . doom-themes)
(doom-vibrant . doom-themes)
(doom-x . doom-themes)
(solarized-light . solarized-theme)
(solarized-dark . solarized-theme)
(spacemacs-light . spacemacs-theme)
(spacemacs-dark . spacemacs-theme)
(colorsarenice-dark . colorsarenice-theme)
(colorsarenice-light . colorsarenice-theme)
(hemisu-dark . hemisu-theme)
(hemisu-light . hemisu-theme)
(majapahit-dark . majapahit-theme)
(majapahit-light . majapahit-theme)
(material-light . material-theme)
(minimal-light . minimal-theme)
(moe-dark . moe-theme)
(moe-light . moe-theme)
(stekene-dark . stekene-theme)
(stekene-light . stekene-theme)
(brin . sublime-themes)
(dorsey . sublime-themes)
(fogus . sublime-themes)
(graham . sublime-themes)
(granger . sublime-themes)
(hickey . sublime-themes)
(junio . sublime-themes)
(mccarthy . sublime-themes)
(odersky . sublime-themes)
(omtose-darker . omtose-phellack-theme)
(omtose-softer . omtose-phellack-theme)
(ritchie . sublime-themes)
(spolsky . sublime-themes)
(wilson . sublime-themes)
(zonokai-blue . zonokai-theme)
(zonokai-red . zonokai-theme)
(tao-yin . tao-theme)
(tao-yang . tao-theme)
(farmhouse-light . farmhouse-theme)
(farmhouse-dark . farmhouse-theme)
(gruvbox-dark-soft . gruvbox-theme)
(gruvbox-dark-medium . gruvbox-theme)
(gruvbox-dark-hard . gruvbox-theme)
(gruvbox-light-soft . gruvbox-theme)
(gruvbox-light-medium . gruvbox-theme)
(gruvbox-light-hard . gruvbox-theme)
)
"alist matching a theme name with its package name, required when
package name does not match theme name + `-theme' suffix.")
(defvar spacemacs-post-theme-change-hook nil
"Hook run after theme has changed.")
(defun spacemacs/get-theme-package-name (theme-name)
"Returns the package theme for the given THEME name."
(cond
;; built-in
((memq theme-name emacs-built-in-themes) nil)
;; from explicit alist
((assq theme-name spacemacs-theme-name-to-package)
(cdr (assq theme-name spacemacs-theme-name-to-package)))
;; fallback to <name>-theme
(t (intern (format "%S-theme" theme-name)))))
(defun spacemacs//get-theme-name (theme)
"Return the name of THEME."
(if (listp theme)
(car theme)
theme))
(defun spacemacs//get-theme-package-directory (theme)
"Return the THEME location on disk."
(let* ((theme-name (spacemacs//get-theme-name theme))
(pkg-name (spacemacs/get-theme-package-name theme-name))
(dir (when (listp theme)
(configuration-layer/get-location-directory
pkg-name
(plist-get (cdr theme) :location)
'dotfile))))
(unless dir
;; fallback to elpa directory
(setq dir (configuration-layer/get-elpa-package-install-directory
pkg-name)))
dir))
(defun spacemacs/load-default-theme (&optional fallback-theme disable)
"Load default theme.
Default theme is the car of `dotspacemacs-themes'.
If FALLBACK-THEME is non-nil it must be a package name which will be loaded if
THEME cannot be applied."
(spacemacs/load-theme (car dotspacemacs-themes) fallback-theme disable))
(defun spacemacs/load-theme (theme &optional fallback-theme disable)
"Apply user theme.
If FALLBACK-THEME is non-nil it must be a package name which will be loaded if
THEME cannot be applied.
If DISABLE is non-nil then disable all previously applied themes before applying
THEME."
(let ((theme-name (spacemacs//get-theme-name theme)))
(condition-case err
(progn
;; Load theme
(unless (or (memq theme-name (custom-available-themes))
(eq 'default theme-name))
(let ((pkg-dir (spacemacs//get-theme-package-directory theme))
(pkg-name (spacemacs/get-theme-package-name theme-name)))
(when pkg-dir
;; package activate should be enough, but not all themes
;; have add themselves to `custom-theme-load-path' in autoload.
;; (for example, moe-theme).
(add-to-list 'custom-theme-load-path pkg-dir)
(package-activate pkg-name))))
(when disable
(mapc 'disable-theme custom-enabled-themes))
(unless (eq 'default theme-name)
(load-theme theme-name t))
(unless (display-graphic-p)
(eval `(spacemacs|do-after-display-system-init
(load-theme ',theme-name t))))
(setq-default spacemacs--cur-theme theme-name))
('error
(message "error: %s" err)
(if fallback-theme
;; fallback to Spacemacs default theme
(progn
(setq spacemacs--delayed-user-theme theme-name)
(spacemacs/load-fallback-theme fallback-theme disable))
;; no fallback theme was specified, so we log explicit warning
(spacemacs-buffer/warning
(concat "An error occurred while applying "
"the theme \"%s\", fallback on theme \"%s\". \n"
"Error was: %s")
theme-name spacemacs--fallback-theme err)
(spacemacs-buffer/warning
(concat "Please check the value of \"dotspacemacs-themes\" in your "
"dotfile or open an issue \n"
"so we can add support for the theme \"%s\".")
theme-name))))))
(defun spacemacs/load-fallback-theme (theme &optional disable)
"Apply the fallback theme.
If DISABLE is non-nil then disable all previously applied themes before applying
THEME."
(let ((theme-name (spacemacs//get-theme-name theme)))
;; pop up fallback theme to the top of the list
(setq spacemacs--cur-theme theme-name)
(setq dotspacemacs-themes (delq theme-name dotspacemacs-themes))
(add-to-list 'dotspacemacs-themes theme-name)
(when disable
(mapc 'disable-theme custom-enabled-themes))
(load-theme theme-name t)
(unless (display-graphic-p)
(eval `(spacemacs|do-after-display-system-init
(load-theme ',theme-name t))))))
(defun spacemacs/cycle-spacemacs-theme (&optional backward)
"Cycle through themes defined in `dotspacemacs-themes.'
When BACKWARD is non-nil, or with universal-argument, cycle backwards."
(interactive "P")
(let* ((themes (if backward (reverse dotspacemacs-themes) dotspacemacs-themes))
(next-theme (car (or (cdr (memq spacemacs--cur-theme themes))
;; if current theme isn't in cycleable themes, start
;; over
themes))))
(when spacemacs--cur-theme
(disable-theme spacemacs--cur-theme))
(let ((progress-reporter
(make-progress-reporter
(format "Loading theme %s..." next-theme))))
(spacemacs/load-theme next-theme nil 'disable)
(progress-reporter-done progress-reporter))))
(defadvice load-theme (after spacemacs/load-theme-adv activate)
"Perform post load processing."
(let ((theme (ad-get-arg 0)))
;; Without this a popup is raised every time emacs25 starts up for
;; assignment to a free variable
(with-no-warnings
(setq spacemacs--cur-theme theme))
(spacemacs/post-theme-init theme)))
(defun spacemacs/post-theme-init (theme)
"Some processing that needs to be done when the current theme
has been changed to THEME."
(interactive)
(run-hooks 'spacemacs-post-theme-change-hook))
(defun spacemacs//add-theme-packages-to-additional-packages ()
"Add all theme packages from `dotspacemacs-themes' to packages to install."
(setq dotspacemacs--additional-theme-packages nil)
(dolist (theme dotspacemacs-themes)
(let* ((theme-name (spacemacs//get-theme-name theme))
(pkg-name (spacemacs/get-theme-package-name theme-name))
(theme2 (copy-tree theme)))
(when pkg-name
(if (listp theme2)
(setcar theme2 pkg-name)
(setq theme2 pkg-name))
(add-to-list 'dotspacemacs--additional-theme-packages theme2)))))
(add-hook 'configuration-layer-pre-load-hook
'spacemacs//add-theme-packages-to-additional-packages)
(provide 'core-themes-support)