code.delx.au - dotemacs/blob - README.md

   1 # References
   2 * [Reference Card](https://www.gnu.org/software/emacs/refcards/pdf/refcard.pdf)
   3 * [Key Binding Conventions](https://www.gnu.org/software/emacs/manual/html_node/elisp/Key-Binding-Conventions.html)
   4
   5 # General commands
   6 ```
   7 C-x C-c                                         Quit Emacs
   8 C-u C-x C-c                                     Save and quit
   9 C-g                                             Cancel command
  10 C-/                                             Undo
  11 C-g C-/                                         Undo undo
  12 C-x z                                           Repeat last command
  13 M-x                                             Execute command
  14 M-:                                             Evaluate expression as elisp
  15 M-x eval-buffer                                 Load current buffer as elisp
  16 C-x C-0                                         Reset font to standard
  17 C-x C-+/=                                       Increase font size
  18 C-x C--                                         Decrease font size
  19 ```
  20
  21 # Help
  22 ```
  23 C-h C-h                                         Help
  24 C-h k                                           Help about key binding
  25 C-h v                                           Describe variable
  26 C-h f                                           Describe function
  27 C-h m                                           Documentation on active modes
  28 ```
  29
  30 # Search
  31 ```
  32 C-s                                             Search forward (ivy/swiper mode)
  33 C-r                                             Resume ivy search
  34 C-7                                             Start a cursor for each result (while searching)
  35 M-q                                             Replace searched item (while searching)
  36 M-p                                             Search for previous item (while searching)
  37 M-n                                             Search for symbol at point (while searching)
  38 M-%                                             Search and replace
  39 ```
  40
  41 # Files/buffers
  42 ```
  43 C-x C-s                                         Save current buffer
  44 C-x s                                           Save some buffers
  45 C-x C-w                                         Write buffer to file
  46 C-x C-f                                         Find file
  47 C-x f                                           Find files in git repository
  48 C-x g                                           Grep in git repository
  49 M-x find-file-at-point                          Find (open) filename at point
  50 M-x browse-url-at-point                         Browse URL at point
  51 C-x k                                           Kill buffer
  52 C-x c                                           Clean up all buffers that are not visible
  53 C-x b                                           Select named buffer
  54 C-x C-b                                         Show all buffers
  55 C-x C-r                                         Show recent files
  56 M-x scratch-buffer                              Create new scratch buffer
  57 ```
  58
  59 # Windows/frames
  60 ```
  61 C-x o                                           Switch to other window
  62 C-x 0                                           Delete window
  63 C-x 1                                           Switch to single window
  64 C-x 2                                           Split vertically
  65 C-x 3                                           Split horizontally
  66 C-x -                                           Shrink window
  67 C-x +                                           Make windows the same height
  68 C-x ^                                           Make window taller
  69 C-Up / C-Down / C-Left / C-Right                Switch windows
  70 M-x make-frame                                  New frame (X11 window)
  71 ```
  72
  73 # Movement
  74 ```
  75 M-m                                             Jump back to start of indentation
  76 M-r                                             Jump to window top/bottom/middle
  77 M-g Tab                                         Jump to column
  78 M-g M-j                                         Jump to charactor
  79 M-g M-w                                         Jump to word by first character
  80 M-g M-g                                         Jump to visible line or any line
  81 C-a                                             Beginning of line
  82 C-e                                             End of line
  83 C-p                                             Back one line
  84 C-n                                             Forward one line
  85 C-b                                             Back one character
  86 C-n                                             Forward one character
  87 M-b                                             Back a word
  88 M-f                                             Forward a word
  89 M-a                                             Backward sentence
  90 M-e                                             Forward sentence
  91 M-v                                             Back page
  92 C-v                                             Forward page
  93 M-{                                             Back one paragraph
  94 M-}                                             Forward one paragraph
  95 M-<                                             Top of file
  96 M->                                             End of file
  97 C-M-p                                           Back to start of balanced expression
  98 C-M-n                                           Forward to end of balanced expression
  99 C-M-b                                           Back one s-expression / symbol
 100 C-M-f                                           Forward one s-expression / symbol
 101 C-M-u                                           Move up one level of parentheses
 102 ```
 103
 104 # Text formatting
 105 ```
 106 M-/                                             Auto-complete
 107 M-;                                             Comment line or region
 108 M-i                                             Change inner region
 109 M-q                                             Reformat paragraph
 110 M-l                                             Lower case word
 111 M-u                                             Upper case word
 112 M-c                                             Capitalise word
 113 C-x C-l                                         Lower case region
 114 C-x C-u                                         Upper case region
 115 C-o                                             Insert a new line above point
 116 M-o                                             Insert a new line below point
 117 C-j                                             Newline and maybe indent
 118 M-^                                             Join to previous line
 119 M-j                                             New line with comment
 120 C-q                                             Quoted insert
 121 M-x comment-box                                 Wrap region in comment box
 122 ```
 123
 124 # Marking
 125 ```
 126 C-Space                                         Set mark (start selection)
 127 C-Space C-Space                                 Set mark to point
 128 C-u C-space                                     Return to mark
 129 C-x C-x                                         Exchange point and mark
 130 C-M-h                                           Highlight expression
 131 M-@                                             Set mark at end of next word
 132 C-=                                             Expand region
 133 C-c l                                           Insert extra cursor on all lines in region
 134 C-c m                                           Ask to insert extra cursor at locations matching selected region
 135 M-=                                             Display info about region
 136 ```
 137
 138 # Killing and deleting
 139 ```
 140 C-M-k                                           Kill s-expression / symbol
 141 C-w                                             Kill from mark to point
 142 C-y                                             Yank text (paste)
 143 M-y                                             Scroll through kill ring (paste buffer)
 144 M-_                                             Select current line
 145 M-z <char>                                      Kill until <char>
 146 C-k                                             Kill to end of line
 147 M-0 C-k                                         Kill to beginning of line
 148 C-a C-k C-k                                     Kill current line
 149 C-S-Backspace                                   Kill current line
 150 C-d                                             Delete next character
 151 M-d                                             Delete next word
 152 M-Backspace                                     Delete previous word
 153 M-Space                                         Collpase to one space around point
 154 M-\                                             Delete spaces around point
 155 C-x C-o                                         Collapse blank lines
 156 M-x delete-trailing-whitespace                  Delete trailing whitespace
 157 ```
 158
 159 # Transposing
 160 ```
 161 C-t                                             Transpose chars
 162 M-t                                             Transpose words
 163 C-x C-t                                         Transpose lines
 164 C-M-t                                           Transpose s-expressions
 165 ```
 166
 167 # Rectangle
 168 ```
 169 C-x Space                                       Toggle mark rectangle mode
 170 C-x r t                                         Replace rectangle with string
 171 ```
 172
 173 # Macros
 174 ```
 175 F3 , F4                                         Start recording macro, finish recording macro
 176 C-u F3                                          Play last macro then append keys
 177 F4                                              Play back macro
 178 ```
 179
 180 # Mode switching
 181 ```
 182 C-x C-j                                         Open direx at current file
 183 F8                                              Toggle flyspell-mode
 184 F9                                              Toggle whitespace mode
 185 F10                                             Toggle word wrap
 186 M-x eshell                                      Run eshell
 187 M-x ielm                                        Run Emacs Lisp REPL
 188 M-x linum-mode                                  Display line numbers
 189 M-x shell                                       Run bash shell
 190 M-x slime                                       Run Common Lisp REPL
 191 M-x smerge-ediff                                Resolve merge conflicts in multi-window mode
 192 M-x smerge-mode                                 Resolve merge conflicts by hunks
 193 M-x restclient                                  Open HTTP client
 194 M-x yas-reload-all                              Reload all snippets
 195 ```
 196
 197 # Lisp
 198 ```
 199 C-M-x                                           Eval top-level form
 200 C-c C-z                                         Switch to REPL
 201 C-c C-c                                         Compile and load the top-level form at point
 202 C-c M-k                                         Compile (but not load) the current buffer's file
 203 ```
 204
 205 # Shell
 206 ```
 207 M-!                                             Execute command
 208 M-&                                             Execute command asynchronously
 209 M-|                                             Execute with region
 210 C-u M-|                                         Filter with region
 211 ```
 212
 213 # Smerge mode
 214 ```
 215 C-c ^ p                                         Go to previous hunk
 216 C-c ^ n                                         Go to next hunk
 217 C-c ^ Return                                    Keep current
 218 C-c ^ a                                         Keep all
 219 C-c ^ m                                         Keep mine
 220 C-c ^ o                                         Keep other
 221 ```
 222
 223 # Flyspell
 224 ```
 225 M-$                                             Correct word
 226 C-M-i                                           Automatically correct word
 227 C-;                                             Automatically correct last word
 228 <mouse-2>                                       Popup word correction
 229 ```
 230
 231 # Flycheck
 232 ```
 233 C-c ! v                                         Verify setup
 234 C-c ! n                                         Next error
 235 C-c ! p                                         Previous error
 236 C-c ! l                                         List errors
 237 C-c ! x                                         Disable checker
 238 ```