77 lines
2.9 KiB
VimL
77 lines
2.9 KiB
VimL
" NOTE: The global man ftplugin enables wrapping which I want off (see below),
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" which is why this needs to be in after/.
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" Spelling makes no sense in manpages
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setlocal nospell
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" man(1) will assume it can use the full width of the terminal when
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" hard-wrapping the lines. When signcolumn is enabled the width is one cell
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" smaller and thus, lines that have a character in the last column will be
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" wrapped by vim (i.e. almost all of them).
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setlocal signcolumn=no
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" Make scrolling easier/more reactive through a big scrolloff
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setlocal scrolloff=999
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" Position cursor in the middle when launching so that scrolling down starts
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" immediately
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normal M
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" Don't put `\ ` before wrapped lines
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setlocal showbreak=NONE
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" ------------------------------------------------------------------------------
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" From :h :Man:
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"
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" when running `man` from the shell and with that `MANPAGER` [='nvim +Man!']
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" in your environment, `man` will pre-format the manpage using `groff`.
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" Thus, Nvim will inevitably display the manual page as it was passed to it
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" from stdin. One of the caveats of this is that the width will _always_ be
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" hard-wrapped
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"
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" Since I actually don't like `g:man_hardwrap=0`/`MANPAGER=999` (e.g. scrolling
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" can be a mess with very long wrapped lines), the following autocommand is
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" meant to reload the manpage through `:edit` after every resize, so that its
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" hard-wrapping adjusts to the new size.
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"
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" This is very hacky.
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" Only if WinResized is supported
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if has('##WinResized')
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augroup man_resized
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" The reload has to be delayed slightly, since with an `edit` directly in
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" the autocmd, the buffer will just be cleared? (TODO)
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" NOTE: One could add a wrapper function that checks for the existence of
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" already running timers similar to how it's done in the
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" highlight_current group (see autocommands.vim), but this feels
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" overkill here.
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au! WinResized <buffer> call timer_start(10, function("s:redraw_delayed"))
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augroup END
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" The function can't be redefined during the reload of the ftplugin (i.e.
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" triggered by `edit`), since it is currently executing (i.e. `edit`):
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"
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" E127: Cannot redefine function <SNR>94_redraw_delayed: It is in use
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"
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if !exists("*s:redraw_delayed")
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function s:redraw_delayed(timer_id)
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" Try to keep the position as close as possible, since edit will move to
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" the start of the file
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" TODO: this should be more accurate
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" TODO: is position the right way? maybe use content for orientation?
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" depending on the wrapping, the same location will be at
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" different percentages
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let l:curr_percent = 100 * line('.') / line('$')
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edit
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exe 'normal ' .. l:curr_percent .. '%'
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endfunction
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endif
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" When wrapping is turned on, shrinking the window will momentarily rewrap the
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" lines, messing up the whole buffer. Since this is distracting, turn it off.
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setlocal nowrap
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endif " has('##WinResized')
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" ------------------------------------------------------------------------------
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