view src/testdir/view_util.vim @ 16883:c7c1b4618acb

Added tag v8.1.1442 for changeset 473e76401434ebe13ab80749f44351cb76a86289
author Bram Moolenaar <Bram@vim.org>
date Sat, 01 Jun 2019 18:15:05 +0200
parents 90b0f2227d73
children 7927cf327396
line wrap: on
line source

" Functions about view shared by several tests

" Only load this script once.
if exists('*ScreenLines')
  finish
endif

" Get text on the screen, including composing characters.
" ScreenLines(lnum, width) or
" ScreenLines([start, end], width)
function! ScreenLines(lnum, width) abort
  redraw!
  if type(a:lnum) == v:t_list
    let start = a:lnum[0]
    let end = a:lnum[1]
  else
    let start = a:lnum
    let end = a:lnum
  endif
  let lines = []
  for l in range(start, end)
    let lines += [join(map(range(1, a:width), 'screenstring(l, v:val)'), '')]
  endfor
  return lines
endfunction

function! ScreenAttrs(lnum, width) abort
  redraw!
  if type(a:lnum) == v:t_list
    let start = a:lnum[0]
    let end = a:lnum[1]
  else
    let start = a:lnum
    let end = a:lnum
  endif
  let attrs = []
  for l in range(start, end)
    let attrs += [map(range(1, a:width), 'screenattr(l, v:val)')]
  endfor
  return attrs
endfunction

function! NewWindow(height, width) abort
  exe a:height . 'new'
  exe a:width . 'vsp'
  redraw!
endfunction

function! CloseWindow() abort
  bw!
  redraw!
endfunction