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POHow to define keybinding inside a marked region
 

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  1. POHow to define keybinding inside a marked region
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    <p>I have a idea to mark regions in emacs easier.</p> <ol> <li><p>I press C-SPC to start.</p></li> <li><p>I use a vi style key to extend selection. such as </p></li> </ol> <blockquote> <pre><code>"j" : line down "k": line up </code></pre> </blockquote> <p>instead of using arrow key or C-n, C-p, a singe char is easier to press</p> <ol> <li><p>When finish selecting, I choose a key to do some thing, also use a vi style key</p> <p>"c": deactive region, copy region. "d" delete region "#" comment region "space" just leaving without do anything</p></li> </ol> <p>I know I can use "M-w" "M-k" or something to do it, but I think vi style key is a easier way to do the job.</p> <p>I search everywhere, but there is no elip package can do such thing.</p> <p>Can someone help me to write some functions to do it? Or give me some suggestions. </p> <p>I found a nice way to do it, share the solution:</p> <p>(</p> <pre><code>defvar active-region-mode-map (let ((map (make-sparse-keymap))) map) ) (define-minor-mode active-region-mode "Active Region minor mode." :init-value nil :lighter " Region" :keymap active-region-mode-map :group 'active-region ) (defun active-region-on () (active-region-mode 1)) (defun active-region-off () (active-region-mode -1)) (add-hook 'activate-mark-hook 'active-region-on) (add-hook 'deactivate-mark-hook 'active-region-off) </code></pre> <p>Now, enjoy it, "active-region-mode-map" map keybinding you like. For example:</p> <pre><code>(define-key active-region-mode-map (kbd "j") 'next-line) </code></pre>
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    1. COI don't know enough elisp/have enough time to do this myself, but: You can probably rebind j/k/c/d/# from their "self-insertion" code to some custom code to check if the mark is active. If it is, do what you describe, if it isn't, call self-insert.
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    2. COI will try it. I think some can write a region-mode-map. Such code can make me easier to define keybinding.
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    3. COYeah, that's probably a good idea. Automate that "rebind self-insert" thing and then it's easy.
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