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

[Xah <xahlee@gmail.com>]

On Oct 8, 3:04 am, Andreas Politz <poli...@fh-trier.de> wrote:
> Xahwrote:
> > 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/
>
> > ☄
>
> Because it't a different command.
>
> (put 'execute-extended-command 'delete-selection t)

LOL. When i tried this, it'll just delete the region when you do M-x,
regardless what command you gonna call.

for a moment i was gonna say Thanks! Great solution!

  Xah
∑ http://xahlee.org/

☄