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

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

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.