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Update README with command overview and tips-n-tricks.

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Magnar Sveen
2012-11-18 16:36:37 +01:00
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@@ -35,46 +35,56 @@ insert a newline in multiple-cursors-mode, use `C-j`.
You can [watch an intro to multiple-cursors at Emacs Rocks](http://emacsrocks.com/e13.html).
## More commands to play around with
## Command overview
I've set up my key-bindings like so:
### Mark one more occurrence
;; From active region to multiple cursors:
(global-set-key (kbd "C-S-c C-S-c") 'mc/edit-lines)
(global-set-key (kbd "C-S-c C-e") 'mc/edit-ends-of-lines)
(global-set-key (kbd "C-S-c C-a") 'mc/edit-beginnings-of-lines)
- `mc/mark-next-like-this`: Adds a cursor and region at the next part of the buffer forwards that matches the current region.
- `mc/mark-next-word-like-this`: Like `mc/mark-next-like-this` but only for whole words.
- `mc/mark-next-symbol-like-this`: Like `mc/mark-next-like-this` but only for whole symbols.
- `mc/mark-previous-like-this`: Adds a cursor and region at the next part of the buffer backwards that matches the current region.
- `mc/mark-previous-word-like-this`: Like `mc/mark-previous-like-this` but only for whole words.
- `mc/mark-previous-symbol-like-this`: Like `mc/mark-previous-like-this` but only for whole symbols.
- `mc/mark-more-like-this-extended`: Use arrow keys to quickly mark/skip next/previous occurances.
When you have an active region that spans multiple lines, the preceeding three
commands will add one cursor to each line.
### Mark many occurrences
;; Rectangular region mode
(global-set-key (kbd "H-SPC") 'set-rectangular-region-anchor)
- `mc/mark-all-like-this`: Marks all parts of the buffer that matches the current region.
- `mc/mark-all-words-like-this`: Like `mc/mark-all-like-this` but only for whole words.
- `mc/mark-all-symbols-like-this`: Like `mc/mark-all-like-this` but only for whole symbols.
- `mc/mark-all-in-region`: Prompts for a string to match in the region, adding cursors to all of them.
- `mc/mark-all-like-this-in-defun`: Marks all parts of the current defun that matches the current region.
- `mc/mark-all-words-like-this-in-defun`: Like `mc/mark-all-like-this-in-defun` but only for whole words.
- `mc/mark-all-symbols-like-this-in-defun`: Like `mc/mark-all-like-this-in-defun` but only for whole symbols.
- `mc/mark-all-like-this-dwim`: Tries to be smart about marking everything you want. Can be pressed multiple times.
Think of this one as `set-mark` except you're marking a rectangular region. It is
an exceedingly quick way of adding multiple cursors to multiple lines.
### Special
;; Mark more like this
(global-set-key (kbd "M-æ") 'mc/mark-all-like-this)
(global-set-key (kbd "C-å") 'mc/mark-previous-like-this)
(global-set-key (kbd "C-æ") 'mc/mark-next-like-this)
(global-set-key (kbd "C-Æ") 'mc/mark-more-like-this-extended)
(global-set-key (kbd "M-å") 'mc/mark-all-in-region)
- `set-rectangular-region-anchor`: Think of this one as `set-mark` except you're marking a rectangular region.
- `mc/mark-sgml-tag-pair`: Mark the current opening and closing tag.
Okay, yes, I have a crazy norwegian keyboard. Regardless, these will look at
whatever you've got selected at the moment, and mark more places like that in
the buffer.
## Tips and tricks
If you would like to keep the global bindings clean, and get custom keybindings
when the region is active, you can try [region-bindings-mode](https://github.com/fgallina/region-bindings-mode).
- To get out of multiple-cursors-mode, press `<return>` or `C-g`. The latter will
first disable multiple regions before disabling multiple cursors. If you want to
insert a newline in multiple-cursors-mode, use `C-j`.
- Sometimes you end up with cursors outside of your view. You can
scroll the screen to center on each cursor with `C-v` and `M-v`.
- Try pressing `mc/mark-next-like-this` with no region selected. It will just add a cursor
on the next line.
- Try pressing `mc/mark-all-like-this-dwim` on a tagname in html-mode.
- Notice that the number of cursors active can be seen in the modeline.
- If you would like to keep the global bindings clean, and get custom keybindings
when the region is active, you can try [region-bindings-mode](https://github.com/fgallina/region-bindings-mode).
BTW, I highly recommend adding `mc/mark-next-like-this` to a key binding that's
right next to the key for `er/expand-region`.
## Scrolling
Sometimes you end up with cursors outside of your view. You can scroll the
screen to center on each cursor with `C-v` and `M-v`.
## Unknown commands
Multiple-cursors uses two lists of commands to know what to do: the run-once list