view src/testdir/view_util.vim @ 30791:574bf5c78a40 v9.0.0730

patch 9.0.0730: startup test fails with right-left feature Commit: https://github.com/vim/vim/commit/9ce7915d0667e6cb8f930634473f0caf2967f4e3 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Oct 12 11:54:34 2022 +0100 patch 9.0.0730: startup test fails with right-left feature Problem: Startup test fails with right-left feature. Solution: Do not delete test file too early.
author Bram Moolenaar <Bram@vim.org>
date Wed, 12 Oct 2022 13:00:05 +0200
parents f936d46cc9c1
children a864e75257dd
line wrap: on
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" Functions about view shared by several tests

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

" Get line "lnum" as displayed on the screen.
" Trailing white space is trimmed.
func Screenline(lnum)
  let chars = []
  for c in range(1, winwidth(0))
    call add(chars, nr2char(screenchar(a:lnum, c)))
  endfor
  let line = join(chars, '')
  return matchstr(line, '^.\{-}\ze\s*$')
endfunc

" Get text on the screen, including composing characters.
" ScreenLines(lnum, width) or
" ScreenLines([start, end], width)
func 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
endfunc

func 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
endfunc

func NewWindow(height, width) abort
  exe a:height . 'new'
  exe a:width . 'vsp'
  set winfixwidth winfixheight
  redraw!
endfunc

func CloseWindow() abort
  bw!
  redraw!
endfunc