Christian Brabandt wrote:
> On Fr, 26 Jul 2013, Ingo Karkat wrote:
>
> > Hello Vim developers,
> >
> > Patch 7.3.590 allows to set the visual selection directly via the marks
> > '< and '>. I've found a problem with :set selection=exclusive (while
> > developing a custom mapping): When the first selection after Vim startup
> > is defined via setpos(), then reselected (gv) and yanked (y), it
> > includes one character too much, as if the non-default 'selection'
> > setting isn't taken into account (even though gv displays the correct
> > selection).
> >
> > #v+
> > fun! Test()
> > call setpos("'<", [0, 1, 2, 0]) | call setpos("'>", [0, 1, 4, 0])
> > normal! gvy
> > echomsg string(@@)
> > endfun
> >
> > set selection=exclusive
> > call setline(1, 'foobar')
> > call Test()
> > " Should print "oo", actually prints "oob"
> > " Observe that a ":normal! gv" will correctly select only 2 characters.
> > " Do a different selection the usual way.
> > normal! 03lvlly
> > " Repeat the test.
> > call Test()
> > " Now prints "oo" correctly.
> > #v-
> >
> > To reproduce, use above scriptlet or the identical attached script:
> > vim -N -u NONE -S bug-exclusive-selection-register-set.vim
> >
> > Reproducible on huge builds of Vim 7.4a.44 on Linux/x64 and Vim 7.3.823
> > on Windows/x64.
>
> This happens, because the visual mode has not yet been set and is
> therefore undefined. This patch fixes it to make it default to 'v' in
> case visual_mode has not been set before:
>
> #ifdef FEAT_VISUAL
> if (c == '<')
> {
> curbuf->b_visual.vi_start = *pos;
> /* visual_mode might not yet have been set, so set it to a sane
> default */
> if (!curbuf->b_visual.vi_mode)
> curbuf->b_visual.vi_mode = 'v';
> return OK;
> }
> if (c == '>')
> {
> curbuf->b_visual.vi_end = *pos;
> /* visual_mode might not yet have been set, so set it to a sane
> default */
> if (!curbuf->b_visual.vi_mode)
> curbuf->b_visual.vi_mode = 'v';
> return OK;
> }
> #endif
Thanks!
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