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When calling a helm selection function like helm-multi-files I get a helm buffer looking like this:

Buffers
templates       755       Dired by name  (in '/path/to/dir->
text.md        1320       Markdown       (in '/path/to/fil-> 

Recentf
/path/to/file/text.md
/scp:me@myserver:/home/

If I want to create my own version of, say, helm-multi-files, how can I customise the lines with the buffer info?

For example I want to modify on which column the buffer mode info (eg. "Dired by name") is printed. Or I want to get rid of the buffer size info (e.g. "755").

Do I have to use some attributes when constructing the helm source (defvar my-helm-source-....)? Or do I have to customise the function which uses this source (defun my-helm-list...)?

Also, long-line truncation for this helm buffer is switch on (resulting in the "->" at the end of the line), how can I switch it off when constructing my own version of this function?

  • Try here: github.com/emacs-helm/helm/wiki/Developing – Pedro Jan 16 '18 at 21:59
  • @Pedro Thx. I have had a read through and it’s very valuable for overall coding of helm source and helm command, but I couldn’t find anything to customise the lines in the selection buffer. Did I miss something? Is there a special attribute I can use? – halloleo Jan 16 '18 at 22:22
  • With "(describe-function 'helm-for-files)" and following 'helm-files.el' link ,, it shows 'truncalte-lines' property. Navigate the code could be a good option. – Pedro Jan 19 '18 at 19:04

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