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annotate src/testdir/view_util.vim @ 19881:b7cb48d00aa9

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Added tag v8.2.0496 for changeset 50fa63ca38282c14ab5e56910faf56011f15933a
author Bram Moolenaar <Bram@vim.org>
date Thu, 02 Apr 2020 14:00:07 +0200
parents 851a014dfd8b
children f936d46cc9c1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Functions about view shared by several tests
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2
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3 " Only load this script once.
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4 if exists('*Screenline')
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5 finish
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6 endif
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7
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8 " Get line "lnum" as displayed on the screen.
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9 " Trailing white space is trimmed.
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10 func Screenline(lnum)
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11 let chars = []
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12 for c in range(1, winwidth(0))
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13 call add(chars, nr2char(screenchar(a:lnum, c)))
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14 endfor
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15 let line = join(chars, '')
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16 return matchstr(line, '^.\{-}\ze\s*$')
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17 endfunc
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18
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19 " Get text on the screen, including composing characters.
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20 " ScreenLines(lnum, width) or
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21 " ScreenLines([start, end], width)
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22 function! ScreenLines(lnum, width) abort
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23 redraw!
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24 if type(a:lnum) == v:t_list
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25 let start = a:lnum[0]
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26 let end = a:lnum[1]
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27 else
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28 let start = a:lnum
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29 let end = a:lnum
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30 endif
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31 let lines = []
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32 for l in range(start, end)
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33 let lines += [join(map(range(1, a:width), 'screenstring(l, v:val)'), '')]
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34 endfor
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35 return lines
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36 endfunction
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37
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38 function! ScreenAttrs(lnum, width) abort
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39 redraw!
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40 if type(a:lnum) == v:t_list
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41 let start = a:lnum[0]
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42 let end = a:lnum[1]
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43 else
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44 let start = a:lnum
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45 let end = a:lnum
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46 endif
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47 let attrs = []
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48 for l in range(start, end)
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49 let attrs += [map(range(1, a:width), 'screenattr(l, v:val)')]
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50 endfor
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51 return attrs
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52 endfunction
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53
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54 function! NewWindow(height, width) abort
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55 exe a:height . 'new'
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56 exe a:width . 'vsp'
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57 set winfixwidth winfixheight
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58 redraw!
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59 endfunction
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60
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61 function! CloseWindow() abort
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62 bw!
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63 redraw!
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64 endfunction