* Bloxie's Emacs Configuration
** By Curt Spark / Bloxiebird.

* Introduction
Welcome to my Emacs configuration!
* Config
** Appearance
*** Remove Tool Bar
#+BEGIN_SRC emacs-lisp
  (tool-bar-mode -1)
#+END_SRC
*** Remove Menu Bar
#+BEGIN_SRC emacs-lisp
  (menu-bar-mode -1)
#+END_SRC
*** Remove Scroll Bar
#+BEGIN_SRC emacs-lisp
  (scroll-bar-mode -1)
#+END_SRC
*** Display Line Numbers
#+BEGIN_SRC emacs-lisp
  (add-hook 'prog-mode-hook 'display-line-numbers-mode)
#+END_SRC
*** Modern Fringes
#+BEGIN_SRC emacs-lisp
  (use-package modern-fringes
    :ensure t
    :init
    (modern-fringes-invert-arrows))
#+END_SRC
*** Theming
#+BEGIN_SRC emacs-lisp
  (use-package dracula-theme
    :ensure t
    :init
    (load-theme 'dracula t))
#+END_SRC
*** All The Icons
#+BEGIN_SRC emacs-lisp
  (use-package all-the-icons
    :ensure t)
#+END_SRC

All The Icons for Ivy/Counsel
#+BEGIN_SRC emacs-lisp
  (use-package all-the-icons-ivy
    :ensure t
    :init
    (all-the-icons-ivy-setup))
#+END_SRC
*** Mode Line
**** Spaceline
#+BEGIN_SRC emacs-lisp
  (use-package spaceline 
    :ensure t
    :config
    (require 'spaceline-config)
    (setq powerline-default-separator (quote arrow))
    (spaceline-spacemacs-theme))
#+END_SRC

Display the time on the Mode Line, this is more useful for EXWM.
#+BEGIN_SRC emacs-lisp
  (setq display-time-default-load-average nil)
  (display-time-mode t)
#+END_SRC
**** Diminish
With Diminish you can optionally remove some of the names of the modes in the Mode Line.
#+BEGIN_SRC emacs-lisp
  (use-package diminish
    :ensure t)
#+END_SRC
*** Emacs Dashboard
Install the Emacs Dashboard : 
#+BEGIN_SRC emacs-lisp
  (use-package dashboard
    :ensure t
    :config
    (dashboard-setup-startup-hook))

  (setq initial-buffer-choice (lambda () (get-buffer "*dashboard*")))
#+END_SRC
Emacs Dashboard Config : 
#+BEGIN_SRC emacs-lisp
  ;; Set the title
  (setq dashboard-banner-logo-title "Welcome to Bloxie's Emacs!")
  ;; Set the banner
  (setq dashboard-startup-banner 'logo)
  ;; Value can be
  ;; 'official which displays the official emacs logo
  ;; 'logo which displays an alternative emacs logo
  ;; 1, 2 or 3 which displays one of the text banners
  ;; "path/to/your/image.png" which displays whatever image you would prefer

  ;; Content is not centered by default. To center, set
  (setq dashboard-center-content t)

  ;; To disable shortcut "jump" indicators for each section, set
  (setq dashboard-show-shortcuts nil)

  ;;To customize which widgets are displayed, you can use the following snippet

  (setq dashboard-items '((recents  . 5)
                          (bookmarks . 5)
                          (projects . 5)
                          (agenda . 5)
                          (registers . 5)))

  ;; To show agenda for the upcoming seven days set the variable show-week-agenda-p to t.

  ;; (setq show-week-agenda-p t)

  ;; Note that setting list-size for the agenda list is intentionally ignored; all agenda items for the current day will be displayed.


  ;; To customize which categories from the agenda items should be visible in the dashboard set the dashboard-org-agenda-categories to the list of categories you need.

  ;; (setq dashboard-org-agenda-categories '("Tasks" "Appointments"))

  ;; To add icons to the widget headings and their items:
  (setq dashboard-set-heading-icons t)
  (setq dashboard-set-file-icons t)

  ;; To show navigator below the banner:
  (setq dashboard-set-navigator t)

  ;; To customize the buttons of the navigator like this:
  ;; Format: "(icon title help action face prefix suffix)"
  (setq dashboard-navigator-buttons
        `(;; line1
          ((,(all-the-icons-octicon "mark-github" :height 1.1 :v-adjust 0.0)
           "Homepage"
           "Browse homepage"
           (lambda (&rest _) (browse-url "https://gitlab.com/bloxiebird/linux-emacs-configuration")))
          ("★" "Star" "Show stars" (lambda (&rest _) (show-stars)) warning)
          ("?" "" "?/h" #'show-help nil "<" ">"))
          ))
#+END_SRC
** Dynamic Window Tiling
*** Edwina
Edwina is a dynamic window manager for Emacs. 
It automatically arranges your Emacs panes (called “windows” in Emacs parlance) into predefined layouts, dwm-style.
+BEGIN_SRC emacs-lisp
  (use-package edwina
    :ensure t
    :config
    (setq display-buffer-base-action '(display-buffer-below-selected))
    (edwina-setup-dwm-keys)
    (edwina-mode 1))
+END_SRC
*** Golden Ratio
+BEGIN_SRC emacs-lisp
  (use-package golden-ratio
    :ensure t
    :init
    (golden-ratio-mode 1))
+END_SRC
** Custom
*** Resizing Buffers
#+BEGIN_SRC emacs-lisp
  (global-set-key (kbd "<C-up>") 'shrink-window)
  (global-set-key (kbd "<C-down>") 'enlarge-window)
  (global-set-key (kbd "<C-left>") 'shrink-window-horizontally)
  (global-set-key (kbd "<C-right>") 'enlarge-window-horizontally)
#+END_SRC
*** Fullscreen Function
#+BEGIN_SRC emacs-lisp
  (defun fullscreen (&optional f)
         (interactive)
         (x-send-client-message nil 0 nil "_NET_WM_STATE" 32
                 '(2 "_NET_WM_STATE_MAXIMIZED_VERT" 0))
         (x-send-client-message nil 0 nil "_NET_WM_STATE" 32
                '(2 "_NET_WM_STATE_MAXIMIZED_HORZ" 0)))
#+END_SRC

Call Function on Startup
#+BEGIN_SRC emacs-lisp
  (fullscreen)
#+END_SRC
** Evil Mode
#+BEGIN_SRC emacs-lisp
  (use-package evil
    :ensure t
    :init
    (evil-mode 1))
#+END_SRC
** Org Mode
*** Simple Org Mode Preview in HTML
#+BEGIN_SRC emacs-lisp
  (defun update-other-buffer ()
    (interactive)
    (other-window 1)
    (revert-buffer nil t)
    (other-window -1))

  (defun org-compile-beamer-and-update-other-buffer ()
    "Has as a premise that it's run from an org-mode buffer and the
     other buffer already has the PDF open"
    (interactive)
    (org-beamer-export-to-pdf)
    (update-other-buffer))

  (defun org-compile-latex-and-update-other-buffer ()
    "Has as a premise that it's run from an org-mode buffer and the
     other buffer already has the PDF open"
    (interactive)
    (org-latex-export-to-pdf)
    (update-other-buffer))

  (define-key org-mode-map (kbd "C-c rl") 'org-compile-latex-and-update-other-buffer)
  (define-key org-mode-map (kbd "C-c rb") 'org-compile-beamer-and-update-other-buffer)
#+END_SRC
*** LateX Preview
#+BEGIN_SRC emacs-lisp
  (use-package org-fragtog
    :ensure t
    :init
    (add-hook 'org-mode-hook 'org-fragtog-mode))
#+END_SRC
*** Org Bullets
#+BEGIN_SRC emacs-lisp 
  (use-package org-bullets
    :ensure t
    :config
    (add-hook 'org-mode-hook (lambda () (org-bullets-mode))))
#+END_SRC
*** Enable Indent Mode
#+BEGIN_SRC emacs-lisp 
  (add-hook 'org-mode-hook 'org-indent-mode)
#+END_SRC
*** Enable Beamer Support
#+BEGIN_SRC emacs-lisp
  (add-hook 'org-mode-hook 'org-beamer-mode)
#+END_SRC
** Agenda
Set Agenda Directory :
#+BEGIN_SRC emacs-lisp
  (setq org-agenda-files (quote("~/.emacs.d/agenda.org")))
#+END_SRC
Calendar/Diary integration :
#+BEGIN_SRC emacs-lisp
  (setq org-agenda-include-diary t)
#+END_SRC
** Projectile
Install Projectile:
#+BEGIN_SRC emacs-lisp
  (use-package projectile
    :ensure t
    :init
    (projectile-mode))
#+END_SRC
** Auto Completion
*** Ivy
#+BEGIN_SRC emacs-lisp
  (use-package ivy
    :ensure t
    :init
    (ivy-mode 1)
    :bind
    ("C-s" . swiper))
#+END_SRC

Ivy Configuration :
#+BEGIN_SRC emacs-lisp
  (setq ivy-use-virtual-buffers t)
  (setq enable-recursive-minibuffers t)
#+END_SRC
*** Counsel
#+BEGIN_SRC emacs-lisp
  (use-package counsel
    :ensure t)
#+END_SRC

Counsel for Projectile
#+BEGIN_SRC emacs-lisp
  (use-package counsel-projectile
    :ensure t
    :init
    (counsel-projectile-mode))
  (define-key projectile-mode-map (kbd "C-c p") 'projectile-command-map)
#+END_SRC
*** Company
**** Company Base
#+BEGIN_SRC emacs-lisp
  (use-package company
    :ensure t
    :init
    (add-hook 'prog-mode-hook 'company-mode))
#+END_SRC

Configuration : 
#+BEGIN_SRC emacs-lisp

  ; No delay in showing suggestions.
  (setq company-idle-delay 0)

  ; Show suggestions after entering one character.
  (setq company-minimum-prefix-length 1)

  ; Wrap around when suggestions reach bottom.
  (setq company-selection-wrap-around t)

  ; Use tab key to cycle through suggestions.
  ; ('tng' means 'tab and go')
  (company-tng-configure-default)

#+END_SRC
**** Company Quickhelp
#+BEGIN_SRC emacs-lisp
  (use-package company-quickhelp
    :ensure t
    :init
    (company-quickhelp-mode))
#+END_SRC
*** Which Key
#+BEGIN_SRC emacs-lisp
  (use-package which-key
    :ensure t
    :init
    (which-key-mode))
#+END_SRC
** LSP Mode
#+BEGIN_SRC emacs-lisp

  ;; set prefix for lsp-command-keymap (few alternatives - "C-l", "C-c l")
  (setq lsp-keymap-prefix "s-l")

  (use-package lsp-mode
    :ensure t
    :hook (;; replace XXX-mode with concrete major-mode(e. g. python-mode)
           (prog-mode . lsp)
           ;; if you want which-key integration
           (lsp-mode . lsp-enable-which-key-integration))
    :commands lsp)

  ;; optionally
  (use-package lsp-ui :commands lsp-ui-mode
    :ensure t)
  (use-package company-lsp :commands company-lsp
    :ensure t)
  ;; if you are helm user
  ;;(use-package helm-lsp :commands helm-lsp-workspace-symbol)
  ;; if you are ivy user
  (use-package lsp-ivy :commands lsp-ivy-workspace-symbol
    :ensure t)
  (use-package lsp-treemacs :commands lsp-treemacs-errors-list
    :ensure t)

  ;; optionally if you want to use debugger
  (use-package dap-mode
    :ensure t)
  ;; (use-package dap-LANGUAGE) to load the dap adapter for your language
#+END_SRC
** Spell Correction
*** Flyspell Correct Ivy
+BEGIN_SRC emacs-lisp
  (use-package flyspell-correct-ivy
    :ensure t
    :bind ("C-;" . flyspell-correct-wrapper)
    :init
    (setq flyspell-correct-interface #'flyspell-correct-ivy)
    (add-hook 'org-mode-hook 'flyspell-mode)
    (setq-default ispell-program-name "aspell"))
+END_SRC
** Multiple Cursors
#+BEGIN_SRC emacs-lisp
  (use-package multiple-cursors
    :ensure t
    :bind
    ("C-c m" . 'mc/mark-next-like-this)
    :bind
    ("C-c C-m"  . 'mc/mark-all-like-this)) 
#+END_SRC
** Expand Region
Auto selects a region of text/code.
#+BEGIN_SRC emacs-lisp
  (use-package expand-region
    :ensure t
    :bind
    ("C-c e" . 'er/expand-region))
#+END_SRC
** Rainbow Delimiters
This Minor Mode will mark pairs of brackets with colours.
#+BEGIN_SRC emacs-lisp
  (use-package rainbow-delimiters
    :ensure t)
#+END_SRC

Set Minor Mode as Global :

#+BEGIN_SRC emacs-lisp
  (define-globalized-minor-mode global-rainbow-delimiters-mode rainbow-delimiters-mode
    (lambda () (rainbow-delimiters-mode 1)))

  (global-rainbow-delimiters-mode 1)
#+END_SRC

** Rainbow Mode
This Minor Mode will highlight RGB/HEX values with their respective colours.
#+BEGIN_SRC emacs-lisp
  (use-package rainbow-mode
    :ensure t)
#+END_SRC

Set Minor Mode as Global :

#+BEGIN_SRC emacs-lisp
  (define-globalized-minor-mode global-rainbow-mode rainbow-mode
    (lambda () (rainbow-mode 1)))

  (global-rainbow-mode 1)
#+END_SRC
** Autosave
#+BEGIN_SRC emacs-lisp
  (setq backup-directory-alist
        `((".*" . ,temporary-file-directory)))
  (setq auto-save-file-name-transforms
        `((".*" ,temporary-file-directory t)))
#+END_SRC
** Global Revert Mode
#+BEGIN_SRC emacs-lisp
  (global-auto-revert-mode t)
#+END_SRC
** Wind Move
Windmove is built into Emacs. It lets you move point from window to window using Shift and the arrow keys. This is easier to type than ‘C-x o’ when there are multiple windows open.
#+BEGIN_SRC emacs-lisp
  (when (fboundp 'windmove-default-keybindings)
    (windmove-default-keybindings))
#+END_SRC