diff options
Diffstat (limited to 'Emacs/.config/emacs/config.org')
| -rw-r--r-- | Emacs/.config/emacs/config.org | 122 |
1 files changed, 67 insertions, 55 deletions
diff --git a/Emacs/.config/emacs/config.org b/Emacs/.config/emacs/config.org index efa9e21..12b25be 100644 --- a/Emacs/.config/emacs/config.org +++ b/Emacs/.config/emacs/config.org @@ -11,8 +11,8 @@ My configuration for (a very specific form of) Emacs #+toc: headlines * Basics -Firstly, set full name and mail address for use in a variety of -applications, including encryption. +Firstly, set full name and mail address. This is used in encryption +and mailing. #+begin_src emacs-lisp (setq user-full-name "Aryadev Chavali" user-mail-address "aryadev@aryadevchavali.com") @@ -22,6 +22,7 @@ Let's set all yes or no questions to single letter responses. #+begin_src emacs-lisp (fset 'yes-or-no-p 'y-or-n-p) #+end_src + Set the encoding to UTF-8-Unix by default. #+begin_src emacs-lisp (use-package emacs @@ -41,8 +42,10 @@ Emacs. no-littering-var-directory (expand-file-name ".local/" user-emacs-directory))) #+end_src ** File saves and custom file -Setup file saving and auto-revert-mode. Along with that, setup the -custom-file to exist in the var-directory +Setup automatic saving for files (in case of system failure) and +auto-revert-mode (which refreshes the buffer on changes to the +underlying file). Along with that, set the custom-file (which holds +temporary customisation) in the etc folder. #+begin_src emacs-lisp (use-package emacs :straight nil @@ -54,19 +57,13 @@ custom-file to exist in the var-directory :config (global-auto-revert-mode 1)) #+end_src -** Save place -#+begin_src emacs-lisp -(use-package saveplace - :straight nil - :config - (save-place-mode)) -#+end_src -* Custom Functions +* Custom functionality Functions that don't require a packages to work other than Emacs, -which means I can define them early and use them later. +which means I can define them early. These are used much later in the +config. ** Toggle buffer -Like VSCode's toggling feature for just the terminal, but now for -anything I want. +Like VSCode's toggling feature for just the terminal but now for +any buffer of choice, as long as I can generate it via a command. #+begin_src emacs-lisp (with-eval-after-load "window" (defmacro +oreo/create-toggle-function (func-name buf-name @@ -102,8 +99,7 @@ BUF-NAME cannot be a regexp, it must be a fixed name." #+end_src ** Auto-run command after-save-hook Define a macro, which creates hooks into the ~after-save-hook~. On -certain ~conditions~ (defined by user) being met, ~to-run~ is -evaluated as code. +certain ~conditions~ being met, ~to-run~ is evaluated. #+begin_src emacs-lisp (use-package simple :straight nil @@ -117,11 +113,10 @@ TO-RUN is evaluated. " ,@to-run))))) #+end_src ** Procedure -The ~lambda~ macro provides a function with possible arguments. A -procedure is a type of callable that takes no arguments. This macro -returns an anonymous function, which takes no arguments, with the -parameters of the macro being the body of the procedure. It returns -it in quoted form as that is the most common use of this macro. +A ~lambda~ which takes no arguments is a procedure. This macro +generates procedures, with the parameters of the macro being the body +of the procedure. It returns it in quoted form, as that is the most +common use of this macro. (You may notice ~proc~ is used where the return value doesn't matter). #+begin_src emacs-lisp @@ -130,12 +125,11 @@ it in quoted form as that is the most common use of this macro. lambda." `(quote (lambda () ,@CDR))) #+end_src -** sys-name-cond -A macro that acts as a switch case on ~(system-name)~ which allows -user to write machine specific code. For me this is for my desktop -and laptop, particularly for font sizes. Basically a cond constructor -specifically for testing system names. In fact there may be an easier -solution than this. +** System specificity +A macro that acts as a switch case on ~(system-name)~ which allows the +writing of system specific code. For me this is for my desktop and +laptop, particularly for font sizes. Though there may be an easier +solution than this, this seems simple enough. #+begin_src emacs-lisp (defmacro +oreo/sys-name-cond (&rest pairs) "Switch case on result of function `system-name'. @@ -163,7 +157,7 @@ depending on the machine I use: can actually use the rest of the laptop while waiting for compilation - On my desktop (=oldboy=) I'd prefer to use 4-6 threads as I can - afford more to get a much faster compilation as a result. + afford more, so I can get a faster load up. #+begin_src emacs-lisp (+oreo/sys-name-cond ("spiderboy" @@ -172,7 +166,8 @@ depending on the machine I use: (setq native-comp-async-jobs-number 6))) #+end_src ** Clean buffer list -Instead of cleaning my buffer list manually, just use this. Preserves +Instead of cleaning my buffer list manually, selectively preserving +some fixed set of buffers, this function does it for me. Preserves any buffers in ~+oreo/keep-buffer~ and kills the rest. #+begin_src emacs-lisp (defconst +oreo/keep-buffers @@ -190,6 +185,8 @@ any buffers in ~+oreo/keep-buffer~ and kills the rest. (buffer-list))) #+end_src * Aesthetics +General look and feel of Emacs (mostly disabling stuff I don't like). +** Custom theme Load my custom "personal-primary" theme which is stored in the Emacs lisp folder (look at [[file:elisp/personal-primary-theme.el][this file]]). @@ -204,7 +201,7 @@ scheme ([[file:elisp/personal-theme.el][this file]]) :config (load-theme 'personal-primary t)) #+end_src - +** Font size Set font size to 140 if on my desktop (oldboy) or 175 if on my laptop (spiderboy). #+begin_src emacs-lisp @@ -215,7 +212,7 @@ Set font size to 140 if on my desktop (oldboy) or 175 if on my laptop ("spiderboy" (set-face-attribute 'default nil :height 175)) ("oldboy" (set-face-attribute 'default nil :height 140)))) #+end_src - +** Scratch buffer Turn off the startup buffer because I prefer [[Dashboard]], and write into the scratch buffer some nice information about Emacs. #+begin_src emacs-lisp @@ -226,32 +223,28 @@ the scratch buffer some nice information about Emacs. initial-scratch-message (format ";; Emacs v%s\n" emacs-version) ring-bell-function 'ignore)) #+end_src - -Turn off blinking-cursor-mode as we will later be setting up hl-line, -which does a better job of indicating where the cursor is on screen. +** Blinking cursor +Turn off blinking-cursor-mode as [[*Hl-line][hl-line]] is better. #+begin_src emacs-lisp (use-package frame :straight nil :config (blink-cursor-mode 0)) #+end_src - +** Fringes Turning off borders in my window manager was a good idea, so turn off the borders for Emacs. #+begin_src emacs-lisp (use-package fringe :after dashboard :straight nil - :init - (setq left-fringe-width 0 - right-fringe-width 0) :config (fringe-mode 0)) #+end_src * Core packages ** General -A good package for defining keys. In this case, I generate a new -definer for the "LEADER" keys. Leader is bound to ~SPC~ and it's +A good package for defining key bindings. In this case, I generate a +new definer for the "LEADER" keys. Leader is bound to ~SPC~ and it's functionally equivalent to the doom/spacemacs leader. Local leader is bound to ~SPC ,~ and it's similar to doom/spacemacs leader but doesn't try to fully assimilate the local-leader map, instead just picking @@ -1380,6 +1373,16 @@ Nice set of icons with a great user interface to manage them. (leader "ie" #'all-the-icons-insert)) #+end_src +** Save place +Saves current place in a buffer permanently, so on revisiting the file +(even in a different Emacs instance) you go back to the place you were +at last. +#+begin_src emacs-lisp +(use-package saveplace + :straight nil + :config + (save-place-mode)) +#+end_src * Applications ** Dashboard Dashboard creates a custom dashboard for Emacs that replaces the @@ -1784,7 +1787,7 @@ changes that haven't been committed). Also add ~eshell/goto~, which is actually a command accessible from within eshell (this is because ~eshell/*~ creates an accessible function within eshell with name ~*~). ~eshell/goto~ makes it easier -to change directories by using Emacs to provide an interface (which is +to change directories by using Emacs' find-file interface (which is much faster than ~cd ..; ls -l~). #+begin_src emacs-lisp (use-package eshell @@ -2003,8 +2006,8 @@ further filtering of the process list. ** Calculator Surprise, surprise Emacs comes with a calculator. -Greater surprise, this thing is over powered beyond just simple -calculation: +Greater surprise, this thing is over powered. It can perform the +following (and more): - Matrix calculations - Generalised calculus operations - Equation solvers for n-degree multi-variable polynomials @@ -2015,6 +2018,10 @@ diverse array of mathematical operations. It uses reverse polish notation to do calculations (though there is a standard infix algebraic notation mode). +Embedded mode allows computation with the current buffer as the echo +area. This basically means I can compute stuff within a buffer +without invoking calc directly: $1 + 2\rightarrow_{\text{calc-embed}} 3$. + #+begin_src emacs-lisp (use-package calc :straight nil @@ -2115,10 +2122,11 @@ flyspell-mode should be hooked to text-mode. (kbd "M-c") #'flyspell-auto-correct-word)) #+end_src *** Undo tree -Undo tree is a system for handling the history of any buffer. It -provides a very nice 'tree' visualiser (hence the name) for revisions -of a file or buffer, and allows you to move around different versions -at once, without using a VCS like git (all in Emacs). +Undo tree sits on top of the incredible Emacs undo capabilities. +Provides a nice visual for edits and a great way to produce branches +of edits. Also allows saving of undo trees, which makes Emacs a quasi +version control system in and of itself! The only extra necessary +would be describing changes... #+begin_src emacs-lisp (use-package undo-tree :straight t @@ -2155,6 +2163,11 @@ Auto fill mode is nice for most text modes, 80 char limit is great. #+begin_src emacs-lisp (add-hook 'text-mode-hook #'auto-fill-mode) #+end_src +*** Show-paren-mode +Show parenthesis for Emacs +#+begin_src emacs-lisp +(add-hook 'prog-mode-hook #'show-paren-mode) +#+end_src *** Smartparens Smartparens is a smarter electric-parens, it's much more aware of context and easier to use. @@ -2177,11 +2190,6 @@ context and easier to use. (sp-local-pair sp-lisp-modes "(" ")" :unless '(:rem sp-point-before-same-p)) (require 'smartparens-config)) #+end_src -*** Show-paren-mode -Show parenthesis for Emacs -#+begin_src emacs-lisp -(add-hook 'prog-mode-hook #'show-paren-mode) -#+end_src ** Programming Configuration *** Eldoc Eldoc presents documentation to the user upon placing ones cursor upon @@ -2189,6 +2197,8 @@ any symbol. This is very useful when programming as it: - presents the arguments of functions while writing calls for them - presents typing and documentation of variables +Eldoc box makes the help buffer a hovering box instead of printing it +in the minibuffer. A lot cleaner. #+begin_src emacs-lisp (use-package eldoc :straight nil @@ -2279,7 +2289,7 @@ highlighting. ("FIXME" . "#d02090"))) ) #+end_src -** Hide-show mode +*** Hide-show mode Turn on ~hs-minor-mode~ for all prog-mode. #+begin_src emacs-lisp (use-package hideshow @@ -2299,7 +2309,7 @@ describe it won't do it justice. (prog-mode-hook . aggressive-indent-mode)) #+end_src ** PDF -PDFs are a format for (somewhat) immutable text and reports with great +I use PDFs mostly for reading reports or papers, providing great formatting options. Though Emacs isn't my favourite application for viewing PDFs (I highly recommend [[https://pwmt.org/projects/zathura/][Zathura]]), similar to most things with Emacs, having a PDF viewer builtin can be a very useful asset. @@ -2338,6 +2348,8 @@ to standard grep (but for PDFs!). "M-g" #'pdfgrep)) #+end_src ** SQL +SQL package, with support for connecting to common database types +(sqlite, mysql, etc) for auto completion and query execution. #+begin_src emacs-lisp (use-package sql :straight nil |