clemens fischer wrote:
> Hi,
>
> I am very glad that tmux has rectangular copies now! But a problem as
> well: in the following, try to cut out the block
>
> >bbb < from >aaa bbb
> >yyyyy< >xxx yyyyy
> >22 < >111 22
>
> At least in vi-copy mode on linux, the shortest line determines the
> right border of the block.
>
> The other problem: for my purposes, I used to rely on screens ability
> to 'J'oin the lines of any selection by either spaces, commas, newlines
> (the default) or whatnot, ie. to make one long line of the selected
> lines. For example, in a "ls -l" listing, I could select a few files on
> the right hand side, 'J'oin them with commas and - in bash - type eg.
> "cp <dir>/{<THE_SELECTION>} .". Not worry about the proper glob, that
> is.
>
> If this is not too difficult and you can point me to the files involved,
> I'd like to give it a try. If not, I'd have to call on the masters to
> hand down the solution to this problem from heaven ...
For the first solution, the file you want to look at is window-copy.c.
It's not that the shortest line determines the right border, it's that
tmux doesn't allow you to move the cursor beyond the end of the line
you're currently on. If you started the selection from the bottom line,
and ended it on the top, you'd be able to get your cursor one more over
to the right.
Have a look at window_copy_cursor_right. The comparison of data->cx
against px is where it decides whether it's gone beyond the end, and
should thus wrap to the next line. Perhaps you could change how px is
set, so that it keeps its current setting when its not doing a rectangle
selection, but sets px to the total screen-grid's width when it is.
Whether the selection is set should be indicated by
data->screen.sel.flag, and whether rectangle is on should be in
data->rectflag. The screen's width is screen_size_x(data->screen).
For the second; I was discussing this recently with Robin Lee Powell,
and I think a more general approach would be to make the selection, save
it out to a file, process the file, and load it back in. Then you'd have
the flexibility to do much more than screen currently allows (say, add
quotes around each line before joining with commas).
The following should bind <prefix> J to join the current (already
finished) selection with spaces:
bind-key J run-shell 'tmux save-buffer /tmp/.tmux-exchange; tr \n " " <
/tmp/.tmux-exchange >/tmp/.tmux-exchange-processed; tmux load-buffer
/tmp/.tmux-exchange-processed'
--
Micah J. Cowan
http://micah.cowan.name/
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