229 lines
10 KiB
EmacsLisp
229 lines
10 KiB
EmacsLisp
;;; core-spacemacs.el --- Spacemacs Core File
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;;
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;; Copyright (c) 2012-2018 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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(setq message-log-max 16384)
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(require 'subr-x nil 'noerror)
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(require 'core-emacs-backports)
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(require 'core-env)
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(require 'page-break-lines)
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(require 'core-hooks)
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(require 'core-debug)
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(require 'core-command-line)
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(require 'core-configuration-layer)
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(require 'core-dotspacemacs)
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(require 'core-custom-settings)
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(require 'core-release-management)
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(require 'core-jump)
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(require 'core-display-init)
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(require 'core-themes-support)
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(require 'core-fonts-support)
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(require 'core-spacemacs-buffer)
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(require 'core-keybindings)
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(require 'core-toggle)
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(require 'core-funcs)
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(require 'core-micro-state)
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(require 'core-transient-state)
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(require 'core-use-package-ext)
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(defgroup spacemacs nil
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"Spacemacs customizations."
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:group 'starter-kit
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:prefix 'spacemacs-)
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(defvar spacemacs-post-user-config-hook nil
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"Hook run after dotspacemacs/user-config")
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(defvar spacemacs-post-user-config-hook-run nil
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"Whether `spacemacs-post-user-config-hook' has been run")
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(defvar spacemacs--default-mode-line mode-line-format
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"Backup of default mode line format.")
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(defvar spacemacs-initialized nil
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"Whether or not spacemacs has finished initializing by completing
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the final step of executing code in `emacs-startup-hook'.")
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(defun spacemacs/init ()
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"Perform startup initialization."
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(when spacemacs-debugp (spacemacs/init-debug))
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;; silence ad-handle-definition about advised functions getting redefined
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(setq ad-redefinition-action 'accept)
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;; this is for a smoother UX at startup (i.e. less graphical glitches)
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(hidden-mode-line-mode)
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(spacemacs//removes-gui-elements)
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(spacemacs//setup-ido-vertical-mode)
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;; explicitly set the preferred coding systems to avoid annoying prompt
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;; from emacs (especially on Microsoft Windows)
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(prefer-coding-system 'utf-8)
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;; TODO move these variables when evil is removed from the bootstrapped
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;; packages.
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(setq-default evil-want-C-u-scroll t
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;; `evil-want-C-i-jump' is set to nil to avoid `TAB' being
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;; overlapped in terminal mode. The GUI specific `<C-i>' is used
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;; instead.
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evil-want-C-i-jump nil)
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(dotspacemacs/load-file)
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(dotspacemacs|call-func dotspacemacs/init "Calling dotfile init...")
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(when dotspacemacs-maximized-at-startup
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(unless (frame-parameter nil 'fullscreen)
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(toggle-frame-maximized))
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(add-to-list 'default-frame-alist '(fullscreen . maximized)))
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(spacemacs|unless-dumping
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(dotspacemacs|call-func dotspacemacs/user-init "Calling dotfile user init..."))
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;; Given the loading process of Spacemacs we have no choice but to set the
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;; custom settings twice:
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;; - once at the very beginning of startup (here)
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;; - once at the very end of loading (in `spacemacs/setup-startup-hook')
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;; The first application of custom settings is to be sure that Emacs knows all
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;; the defined settings before saving them to a file (otherwise we loose all
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;; the settings that Emacs does not know of).
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;; The second application is to override any setting set in dotfile functions
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;; like `dotspacemacs/user-config`, users expect the custom settings to be the
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;; effective ones.
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;; Note: Loading custom-settings twice is not ideal since they can have side
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;; effects! Maybe an inhibit variable in Emacs can suppress these side effects?
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(spacemacs/initialize-custom-file)
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;; Commenting the first load although it is mentioned above that we must do it
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;; I don't recall why we must load the custom settings twice and my experiment
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;; seems to show that we don't need this double loading process anymore.
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;; related issue: https://github.com/syl20bnr/spacemacs/issues/9736
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;; (dotspacemacs|call-func dotspacemacs/emacs-custom-settings
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;; "Calling dotfile Emacs custom settings...")
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(setq dotspacemacs-editing-style (dotspacemacs//read-editing-style-config
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dotspacemacs-editing-style))
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(configuration-layer/initialize)
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;; frame title init
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(when (and (display-graphic-p) dotspacemacs-frame-title-format)
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(require 'format-spec)
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(setq frame-title-format '((:eval (spacemacs/title-prepare dotspacemacs-frame-title-format))))
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(if dotspacemacs-icon-title-format
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(setq icon-title-format '((:eval (spacemacs/title-prepare dotspacemacs-icon-title-format))))
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(setq icon-title-format frame-title-format)))
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;; theme
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(spacemacs/load-default-theme spacemacs--fallback-theme 'disable)
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;; font
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(spacemacs|do-after-display-system-init
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;; If you are thinking to remove this call to `message', think twice. You'll
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;; break the life of several Spacemacser using Emacs in daemon mode. Without
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;; this, their chosen font will not be set on the *first* instance of
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;; emacsclient, at least if different than their system font. You don't
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;; believe me? Go ahead, try it. After you'll have notice that this was true,
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;; increase the counter bellow so next people will give it more confidence.
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;; Counter = 1
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(spacemacs-buffer/message "Setting the font...")
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(unless (spacemacs/set-default-font dotspacemacs-default-font)
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(spacemacs-buffer/warning
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"Cannot find any of the specified fonts (%s)! Font settings may not be correct."
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(if (listp (car dotspacemacs-default-font))
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(mapconcat 'car dotspacemacs-default-font ", ")
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(car dotspacemacs-default-font)))))
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;; spacemacs init
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(setq inhibit-startup-screen t)
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(spacemacs-buffer/goto-buffer)
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(unless (display-graphic-p)
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;; explicitly recreate the home buffer for the first GUI client
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;; in order to correctly display the logo
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(spacemacs|do-after-display-system-init
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(kill-buffer (get-buffer spacemacs-buffer-name))
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(spacemacs-buffer/goto-buffer)))
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;; This is set to nil during startup to allow Spacemacs to show buffers opened
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;; as command line arguments.
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(setq initial-buffer-choice nil)
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(setq inhibit-startup-screen t)
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(require 'core-keybindings)
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;; for convenience and user support
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(unless (fboundp 'tool-bar-mode)
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(spacemacs-buffer/message (concat "No graphical support detected, "
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"you won't be able to launch a "
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"graphical instance of Emacs"
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"with this build.")))
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;; check for new version
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(if dotspacemacs-mode-line-unicode-symbols
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(setq-default spacemacs-version-check-lighter "[⇪]"))
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;; load environment variables
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(if (fboundp 'dotspacemacs/user-env)
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(dotspacemacs/call-user-env)
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(spacemacs/load-spacemacs-env))
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;; install the dotfile if required
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(dotspacemacs/maybe-install-dotfile))
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(defun spacemacs//removes-gui-elements ()
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"Remove the menu bar, tool bar and scroll bars."
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;; removes the GUI elements
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(when (and (fboundp 'scroll-bar-mode) (not (eq scroll-bar-mode -1)))
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(scroll-bar-mode -1))
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(when (and (fboundp 'tool-bar-mode) (not (eq tool-bar-mode -1)))
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(tool-bar-mode -1))
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(unless (spacemacs/window-system-is-mac)
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(when (and (fboundp 'menu-bar-mode) (not (eq menu-bar-mode -1)))
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(menu-bar-mode -1)))
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;; tooltips in echo-aera
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(when (and (fboundp 'tooltip-mode) (not (eq tooltip-mode -1)))
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(tooltip-mode -1)))
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(defun spacemacs//setup-ido-vertical-mode ()
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"Setup `ido-vertical-mode'."
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(require 'ido-vertical-mode)
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(ido-vertical-mode t)
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(add-hook
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'ido-setup-hook
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;; think about hacking directly `ido-vertical-mode' source in libs instead.
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(defun spacemacs//ido-vertical-natural-navigation ()
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;; more natural navigation keys: up, down to change current item
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;; left to go up dir
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;; right to open the selected item
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(define-key ido-completion-map (kbd "<up>") 'ido-prev-match)
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(define-key ido-completion-map (kbd "<down>") 'ido-next-match)
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(define-key ido-completion-map (kbd "<left>") 'ido-delete-backward-updir)
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(define-key ido-completion-map (kbd "<right>") 'ido-exit-minibuffer))))
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(defun display-startup-echo-area-message ()
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"Change the default welcome message of minibuffer to another one."
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(message "Spacemacs is ready."))
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(defun spacemacs/defer-until-after-user-config (func)
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"Call FUNC if dotspacemacs/user-config has been called. Otherwise,
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defer call using `spacemacs-post-user-config-hook'."
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(if spacemacs-post-user-config-hook-run
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(funcall func)
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(add-hook 'spacemacs-post-user-config-hook func)))
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(defun spacemacs/setup-startup-hook ()
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"Add post init processing.
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Note: the hooked function is not executed when in dumped mode."
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(add-hook
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'emacs-startup-hook
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(defun spacemacs/startup-hook ()
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;; This is set here so that emacsclient will show the startup buffer (and
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;; so that it can be changed in user-config if necessary). It was set to
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;; nil earlier in the startup process to properly handle command line
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;; arguments.
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(setq initial-buffer-choice (lambda () (get-buffer spacemacs-buffer-name)))
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;; Ultimate configuration decisions are given to the user who can defined
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;; them in his/her ~/.spacemacs file
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(dotspacemacs|call-func dotspacemacs/user-config
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"Calling dotfile user config...")
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(dotspacemacs|call-func dotspacemacs/emacs-custom-settings
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"Calling dotfile Emacs custom settings...")
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(run-hooks 'spacemacs-post-user-config-hook)
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(setq spacemacs-post-user-config-hook-run t)
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(when (fboundp dotspacemacs-scratch-mode)
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(with-current-buffer "*scratch*"
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(funcall dotspacemacs-scratch-mode)))
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(when spacemacs--delayed-user-theme
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(spacemacs/load-theme spacemacs--delayed-user-theme
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spacemacs--fallback-theme t))
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(configuration-layer/display-summary emacs-start-time)
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(spacemacs-buffer//startup-hook)
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(spacemacs/check-for-new-version nil spacemacs-version-check-interval)
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(setq spacemacs-initialized t)
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(setq gc-cons-threshold (car dotspacemacs-gc-cons)
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gc-cons-percentage (cadr dotspacemacs-gc-cons)))))
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(provide 'core-spacemacs)
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