Re: (insert ...) won't respect delete-selection-mode

[Xah]

On Oct 7, 2:08 pm, Chetan <Chetan.xs...@xspam.sbcglobal.net> wrote:
> "Drew Adams" <drew.ad...@oracle.com> writes:
> >> i have a some 20 personal commands that insert some text. However, i
> >> have delete-selection-mode on, meaning that when a region is active,
> >> any typing should delete/override it.
>
> >> But when calling my insert text commands it will just insert at the
> >> end of region. Here's a example:
> >> (defun insert-date () "Insert current date." (interactive)
> >>   (insert (format-time-string "%Y-%m-%d")))
>
> >> Do i need to modify each commands to check on mark-active and delete-
> >> selection-mode then call delete region first? Or, is there some
> >> variable i can just set?
>
> > See the Commentary at the beginning of `delsel.el':
>
> > ;;  Commands that delete the selection need a `delete-selection'
> > ;;  property on their symbols. Commands that insert text but do not
> > ;;  have this property do not delete the selection.  The property can
> > ;;  be one of these values:
> > ;;  'yank
> > ;;      For commands which do a yank; ensures the region about to be
> > ;;      deleted isn't yanked.
> > ;;  'supersede
> > ;;      Delete the active region and ignore the current command,
> > ;;      i.e. the command will just delete the region.
> > ;;  'kill
> > ;;      `kill-region' is used on the selection, rather than
> > ;;      `delete-region'.  (Text selected with the mouse will typically
> > ;;      be yankable anyhow.)
> > ;;  non-nil
> > ;;      The normal case: delete the active region prior to executing
> > ;;      the command which will insert replacement text.
>
> > Example:
>
> > (put 'insert-date 'delete-selection t)
>
> The command also needs to be activated with keyboard. M-x does not
> do it.

Thank you both.

Why does it needs to be called from keyboard? Unfortunately most of my
commands are used by calling a short alias.

  Xah
∑ http://xahlee.org/

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