Re: zle kill-region without mark consider start of line as mark

[Hadrien Lacour <hadrien.lacour@posteo.net>]

On Wed, Nov 15, 2017 at 06:10:29PM +0100, Mikael Magnusson wrote:
>        REGION_ACTIVE (integer)
>               Indicates if the region is currently active.  It can be
> assigned 0  or
>               1  to  deactivate  and  activate the region
> respectively. A value of 2
>               activates the region in  line-wise  mode  with  the
> highlighted  text
>               extending for whole lines only; see Character Highlighting below.
>
>
> On Wed, Nov 15, 2017 at 2:13 PM, Hadrien Lacour
> <hadrien.lacour@posteo.net> wrote:
> > On Wed, Nov 15, 2017 at 02:00:47PM +0100, Hadrien Lacour wrote:
> >> On Wed, Nov 15, 2017 at 11:24:37AM +0000, Peter Stephenson wrote:
> >> > On Wed, 15 Nov 2017 11:40:34 +0100
> >> > Hadrien Lacour <hadrien.lacour@posteo.net> wrote:
> >> > > I have `bindkey -M emacs '^W' kill-region` in my zshrc and using it without
> >> > > having set any mark will cut from the beginning of the line to the cursor.
> >> > > I've tried to read zle's doc but found no mention of this behaviour.
> >> > >
> >> > > Any idea about what's happening and how to do nothing if the mark isn't set?
> >> >
> >> > Internally, there is actually no notion of the mark not being set ---
> >> > it's simply initialised to zero, and moved when ask it to be set.
> >> > Therefore, if you try and use it, it appears as if it's at the start of
> >> > the line.
> >> >
> >> > The documentation doesn't make this explicit.  It could do with
> >> > mentioning the default state.
> >> >
> >> > pws
> >>
> >> Thanks, that's what I supposed too. I almost have it fixed with
> >>
> >> markset=
> >> my-set-mark()
> >> {
> >>     zle set-mark-command
> >>           markset=true
> >>               }
> >>
> >> my-kill-region()
> >> {
> >>     [ $markset ] && zle kill-region
> >>       }
> >>
> >> zle -N my-kill-region
> >> zle -N my-set-mark
> >>
> >> bindkey -M emacs '^@'       my-set-mark
> >> bindkey -M emacs '^W'       my-kill-region
> >>
> >>
> >> But I don't know how to reset markset every newline (other than doing an ugly
> >> bindkey for Return).
> >
> > Disregard this, I just forgot to reset markset in the second widget.
>
>
>
> --
> Mikael Magnusson

Thanks, this the perfect solution (I saw it, but didn't understand it when
reading the man). Now, I wonder why it's no the default.