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https://github.com/neovim/neovim.git
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9b9ccac625
Problem: Cursor positioning and display problems with 'smoothscroll' and
using "zt", "zb" or "zz".
Solution: Adjust computations and conditions. (Yee Cheng Chin,
closes vim/vim#11764)
db4d88c2ad
Co-authored-by: Bram Moolenaar <Bram@vim.org>
582 lines
17 KiB
VimL
582 lines
17 KiB
VimL
" Test for reset 'scroll' and 'smoothscroll'
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source check.vim
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source screendump.vim
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source mouse.vim
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func Test_reset_scroll()
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let scr = &l:scroll
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setlocal scroll=1
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setlocal scroll&
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call assert_equal(scr, &l:scroll)
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setlocal scroll=1
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setlocal scroll=0
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call assert_equal(scr, &l:scroll)
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try
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execute 'setlocal scroll=' . (winheight(0) + 1)
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" not reached
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call assert_false(1)
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catch
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call assert_exception('E49:')
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endtry
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split
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let scr = &l:scroll
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setlocal scroll=1
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setlocal scroll&
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call assert_equal(scr, &l:scroll)
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setlocal scroll=1
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setlocal scroll=0
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call assert_equal(scr, &l:scroll)
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quit!
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endfunc
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func Test_scolloff_even_line_count()
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new
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resize 6
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setlocal scrolloff=3
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call setline(1, range(20))
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normal 2j
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call assert_equal(1, getwininfo(win_getid())[0].topline)
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normal j
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call assert_equal(1, getwininfo(win_getid())[0].topline)
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normal j
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call assert_equal(2, getwininfo(win_getid())[0].topline)
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normal j
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call assert_equal(3, getwininfo(win_getid())[0].topline)
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bwipe!
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endfunc
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func Test_CtrlE_CtrlY_stop_at_end()
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enew
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call setline(1, ['one', 'two'])
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set number
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exe "normal \<C-Y>"
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call assert_equal([" 1 one "], ScreenLines(1, 10))
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exe "normal \<C-E>\<C-E>\<C-E>"
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call assert_equal([" 2 two "], ScreenLines(1, 10))
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bwipe!
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set nonumber
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endfunc
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func Test_smoothscroll_CtrlE_CtrlY()
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CheckScreendump
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let lines =<< trim END
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vim9script
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setline(1, [
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'line one',
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'word '->repeat(20),
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'line three',
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'long word '->repeat(7),
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'line',
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'line',
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'line',
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])
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set smoothscroll
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:5
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END
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call writefile(lines, 'XSmoothScroll', 'D')
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let buf = RunVimInTerminal('-S XSmoothScroll', #{rows: 12, cols: 40})
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_1', {})
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_2', {})
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_3', {})
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_4', {})
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_5', {})
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_6', {})
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_7', {})
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_8', {})
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if has('folding')
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call term_sendkeys(buf, ":set foldmethod=indent\<CR>")
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" move the cursor so we can reuse the same dumps
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call term_sendkeys(buf, "5G")
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_1', {})
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_2', {})
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call term_sendkeys(buf, "7G")
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_7', {})
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smoothscroll_8', {})
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endif
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call StopVimInTerminal(buf)
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endfunc
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func Test_smoothscroll_number()
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CheckScreendump
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let lines =<< trim END
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vim9script
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setline(1, [
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'one ' .. 'word '->repeat(20),
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'two ' .. 'long word '->repeat(7),
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'line',
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'line',
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'line',
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])
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set smoothscroll
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set number cpo+=n
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:3
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def g:DoRel()
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set number relativenumber scrolloff=0
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:%del
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setline(1, [
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'one',
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'very long text '->repeat(12),
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'three',
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])
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exe "normal 2Gzt\<C-E>"
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enddef
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END
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call writefile(lines, 'XSmoothNumber', 'D')
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let buf = RunVimInTerminal('-S XSmoothNumber', #{rows: 12, cols: 40})
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call VerifyScreenDump(buf, 'Test_smooth_number_1', {})
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smooth_number_2', {})
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smooth_number_3', {})
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call term_sendkeys(buf, ":set cpo-=n\<CR>")
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call VerifyScreenDump(buf, 'Test_smooth_number_4', {})
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smooth_number_5', {})
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smooth_number_6', {})
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call term_sendkeys(buf, ":call DoRel()\<CR>")
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call VerifyScreenDump(buf, 'Test_smooth_number_7', {})
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call StopVimInTerminal(buf)
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endfunc
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func Test_smoothscroll_list()
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CheckScreendump
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let lines =<< trim END
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vim9script
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set smoothscroll scrolloff=0
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set list
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setline(1, [
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'one',
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'very long text '->repeat(12),
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'three',
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])
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exe "normal 2Gzt\<C-E>"
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END
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call writefile(lines, 'XSmoothList', 'D')
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let buf = RunVimInTerminal('-S XSmoothList', #{rows: 8, cols: 40})
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call VerifyScreenDump(buf, 'Test_smooth_list_1', {})
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call term_sendkeys(buf, ":set listchars+=precedes:#\<CR>")
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call VerifyScreenDump(buf, 'Test_smooth_list_2', {})
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call StopVimInTerminal(buf)
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endfunc
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func Test_smoothscroll_diff_mode()
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CheckScreendump
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let lines =<< trim END
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vim9script
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var text = 'just some text here'
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setline(1, text)
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set smoothscroll
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diffthis
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new
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setline(1, text)
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set smoothscroll
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diffthis
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END
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call writefile(lines, 'XSmoothDiff', 'D')
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let buf = RunVimInTerminal('-S XSmoothDiff', #{rows: 8})
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call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
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call StopVimInTerminal(buf)
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endfunc
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func Test_smoothscroll_wrap_scrolloff_zero()
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CheckScreendump
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let lines =<< trim END
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vim9script
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setline(1, ['Line' .. (' with some text'->repeat(7))]->repeat(7))
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set smoothscroll scrolloff=0
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:3
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END
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call writefile(lines, 'XSmoothWrap', 'D')
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let buf = RunVimInTerminal('-S XSmoothWrap', #{rows: 8, cols: 40})
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call VerifyScreenDump(buf, 'Test_smooth_wrap_1', {})
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" moving cursor down - whole bottom line shows
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call term_sendkeys(buf, "j")
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call VerifyScreenDump(buf, 'Test_smooth_wrap_2', {})
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call term_sendkeys(buf, "\<C-E>j")
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call VerifyScreenDump(buf, 'Test_smooth_wrap_3', {})
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call term_sendkeys(buf, "G")
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call VerifyScreenDump(buf, 'Test_smooth_wrap_4', {})
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" moving cursor up right after the >>> marker - no need to show whole line
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call term_sendkeys(buf, "2gj3l2k")
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call VerifyScreenDump(buf, 'Test_smooth_wrap_5', {})
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" moving cursor up where the >>> marker is - whole top line shows
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call term_sendkeys(buf, "2j02k")
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call VerifyScreenDump(buf, 'Test_smooth_wrap_6', {})
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call StopVimInTerminal(buf)
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endfunc
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func Test_smoothscroll_wrap_long_line()
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CheckScreendump
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let lines =<< trim END
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vim9script
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setline(1, ['one', 'two', 'Line' .. (' with lots of text'->repeat(30)) .. ' end', 'four'])
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set smoothscroll scrolloff=0
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normal 3G10|zt
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END
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call writefile(lines, 'XSmoothWrap', 'D')
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let buf = RunVimInTerminal('-S XSmoothWrap', #{rows: 6, cols: 40})
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call VerifyScreenDump(buf, 'Test_smooth_long_1', {})
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" scrolling up, cursor moves screen line down
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smooth_long_2', {})
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call term_sendkeys(buf, "5\<C-E>")
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call VerifyScreenDump(buf, 'Test_smooth_long_3', {})
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" scrolling down, cursor moves screen line up
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call term_sendkeys(buf, "5\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smooth_long_4', {})
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smooth_long_5', {})
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" 'scrolloff' set to 1, scrolling up, cursor moves screen line down
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call term_sendkeys(buf, ":set scrolloff=1\<CR>")
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call term_sendkeys(buf, "10|\<C-E>")
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call VerifyScreenDump(buf, 'Test_smooth_long_6', {})
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" 'scrolloff' set to 1, scrolling down, cursor moves screen line up
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call term_sendkeys(buf, "\<C-E>")
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call term_sendkeys(buf, "gjgj")
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smooth_long_7', {})
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" 'scrolloff' set to 2, scrolling up, cursor moves screen line down
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call term_sendkeys(buf, ":set scrolloff=2\<CR>")
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call term_sendkeys(buf, "10|\<C-E>")
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call VerifyScreenDump(buf, 'Test_smooth_long_8', {})
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" 'scrolloff' set to 2, scrolling down, cursor moves screen line up
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call term_sendkeys(buf, "\<C-E>")
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call term_sendkeys(buf, "gj")
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call term_sendkeys(buf, "\<C-Y>")
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call VerifyScreenDump(buf, 'Test_smooth_long_9', {})
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" 'scrolloff' set to 0, move cursor down one line.
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" Cursor should move properly, and since this is a really long line, it will
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" be put on top of the screen.
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call term_sendkeys(buf, ":set scrolloff=0\<CR>")
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call term_sendkeys(buf, "0j")
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call VerifyScreenDump(buf, 'Test_smooth_long_10', {})
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" Test zt/zz/zb that they work properly when a long line is above it
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call term_sendkeys(buf, "zb")
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call VerifyScreenDump(buf, 'Test_smooth_long_11', {})
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call term_sendkeys(buf, "zz")
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call VerifyScreenDump(buf, 'Test_smooth_long_12', {})
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call term_sendkeys(buf, "zt")
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call VerifyScreenDump(buf, 'Test_smooth_long_13', {})
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" Repeat the step and move the cursor down again.
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" This time, use a shorter long line that is barely long enough to span more
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" than one window. Note that the cursor is at the bottom this time because
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" Vim prefers to do so if we are scrolling a few lines only.
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call term_sendkeys(buf, ":call setline(1, ['one', 'two', 'Line' .. (' with lots of text'->repeat(10)) .. ' end', 'four'])\<CR>")
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call term_sendkeys(buf, "3Gzt")
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call term_sendkeys(buf, "j")
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call VerifyScreenDump(buf, 'Test_smooth_long_14', {})
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" Repeat the step but this time start it when the line is smooth-scrolled by
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" one line. This tests that the offset calculation is still correct and
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" still end up scrolling down to the next line with cursor at bottom of
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" screen.
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call term_sendkeys(buf, "3Gzt")
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call term_sendkeys(buf, "\<C-E>j")
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call VerifyScreenDump(buf, 'Test_smooth_long_15', {})
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call StopVimInTerminal(buf)
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endfunc
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func Test_smoothscroll_one_long_line()
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CheckScreendump
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let lines =<< trim END
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vim9script
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setline(1, 'with lots of text '->repeat(7))
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set smoothscroll scrolloff=0
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END
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call writefile(lines, 'XSmoothOneLong', 'D')
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let buf = RunVimInTerminal('-S XSmoothOneLong', #{rows: 6, cols: 40})
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call VerifyScreenDump(buf, 'Test_smooth_one_long_1', {})
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smooth_one_long_2', {})
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call term_sendkeys(buf, "0")
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call VerifyScreenDump(buf, 'Test_smooth_one_long_1', {})
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call StopVimInTerminal(buf)
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endfunc
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func Test_smoothscroll_long_line_showbreak()
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CheckScreendump
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let lines =<< trim END
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vim9script
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# a line that spans four screen lines
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setline(1, 'with lots of text in one line '->repeat(6))
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set smoothscroll scrolloff=0 showbreak=+++\
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END
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call writefile(lines, 'XSmoothLongShowbreak', 'D')
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let buf = RunVimInTerminal('-S XSmoothLongShowbreak', #{rows: 6, cols: 40})
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call VerifyScreenDump(buf, 'Test_smooth_long_showbreak_1', {})
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call term_sendkeys(buf, "\<C-E>")
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call VerifyScreenDump(buf, 'Test_smooth_long_showbreak_2', {})
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call term_sendkeys(buf, "0")
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call VerifyScreenDump(buf, 'Test_smooth_long_showbreak_1', {})
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call StopVimInTerminal(buf)
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endfunc
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func s:check_col_calc(win_col, win_line, buf_col)
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call assert_equal(a:win_col, wincol())
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call assert_equal(a:win_line, winline())
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call assert_equal(a:buf_col, col('.'))
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endfunc
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" Test that if the current cursor is on a smooth scrolled line, we correctly
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" reposition it. Also check that we don't miscalculate the values by checking
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" the consistency between wincol() and col('.') as they are calculated
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" separately in code.
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func Test_smoothscroll_cursor_position()
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call NewWindow(10, 20)
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setl smoothscroll wrap
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call setline(1, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
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call s:check_col_calc(1, 1, 1)
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exe "normal \<C-E>"
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" Move down another line to avoid blocking the <<< display
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call s:check_col_calc(1, 2, 41)
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exe "normal \<C-Y>"
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call s:check_col_calc(1, 3, 41)
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normal gg3l
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exe "normal \<C-E>"
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" Move down only 1 line when we are out of the range of the <<< display
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call s:check_col_calc(4, 1, 24)
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exe "normal \<C-Y>"
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call s:check_col_calc(4, 2, 24)
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normal ggg$
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exe "normal \<C-E>"
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call s:check_col_calc(20, 1, 40)
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exe "normal \<C-Y>"
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call s:check_col_calc(20, 2, 40)
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normal gg
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" Test number, where we have indented lines
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setl number
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call s:check_col_calc(5, 1, 1)
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exe "normal \<C-E>"
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" Move down only 1 line when the <<< display is on the number column
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call s:check_col_calc(5, 1, 17)
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exe "normal \<C-Y>"
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call s:check_col_calc(5, 2, 17)
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normal ggg$
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exe "normal \<C-E>"
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call s:check_col_calc(20, 1, 32)
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exe "normal \<C-Y>"
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call s:check_col_calc(20, 2, 32)
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normal gg
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setl numberwidth=1
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" Move down another line when numberwidth is too short to cover the whole
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" <<< display
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call s:check_col_calc(3, 1, 1)
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exe "normal \<C-E>"
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call s:check_col_calc(3, 2, 37)
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exe "normal \<C-Y>"
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call s:check_col_calc(3, 3, 37)
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normal ggl
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" Only move 1 line down when we are just past the <<< display
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call s:check_col_calc(4, 1, 2)
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exe "normal \<C-E>"
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call s:check_col_calc(4, 1, 20)
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exe "normal \<C-Y>"
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call s:check_col_calc(4, 2, 20)
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normal gg
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setl numberwidth&
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" Test number + showbreak, so test that the additional indentation works
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setl number showbreak=+++
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call s:check_col_calc(5, 1, 1)
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exe "normal \<C-E>"
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call s:check_col_calc(8, 1, 17)
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exe "normal \<C-Y>"
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call s:check_col_calc(8, 2, 17)
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normal gg
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" Test number + cpo+=n mode, where wrapped lines aren't indented
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setl number cpo+=n showbreak=
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call s:check_col_calc(5, 1, 1)
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exe "normal \<C-E>"
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call s:check_col_calc(1, 2, 37)
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exe "normal \<C-Y>"
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call s:check_col_calc(1, 3, 37)
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normal gg
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|
|
|
bwipe!
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|
endfunc
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|
|
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func Test_smoothscroll_cursor_scrolloff()
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call NewWindow(10, 20)
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setl smoothscroll wrap
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setl scrolloff=3
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|
|
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" 120 chars are 6 screen lines
|
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call setline(1, "abcdefghijklmnopqrstABCDEFGHIJKLMNOPQRSTabcdefghijklmnopqrstABCDEFGHIJKLMNOPQRSTabcdefghijklmnopqrstABCDEFGHIJKLMNOPQRST")
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call setline(2, "below")
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|
|
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call s:check_col_calc(1, 1, 1)
|
|
|
|
" CTRL-E shows "<<<DEFG...", cursor move four lines down
|
|
exe "normal \<C-E>"
|
|
call s:check_col_calc(1, 4, 81)
|
|
|
|
" cursor on start of second line, "gk" moves into first line, skipcol doesn't
|
|
" change
|
|
exe "normal G0gk"
|
|
call s:check_col_calc(1, 5, 101)
|
|
|
|
" move cursor left one window width worth, scrolls one screen line
|
|
exe "normal 20h"
|
|
call s:check_col_calc(1, 5, 81)
|
|
|
|
" move cursor left one window width worth, scrolls one screen line
|
|
exe "normal 20h"
|
|
call s:check_col_calc(1, 4, 61)
|
|
|
|
" cursor on last line, "gk" should not cause a scroll
|
|
set scrolloff=0
|
|
normal G0
|
|
call s:check_col_calc(1, 7, 1)
|
|
normal gk
|
|
call s:check_col_calc(1, 6, 101)
|
|
|
|
bwipe!
|
|
endfunc
|
|
|
|
|
|
" Test that mouse picking is still accurate when we have smooth scrolled lines
|
|
func Test_smoothscroll_mouse_pos()
|
|
CheckNotGui
|
|
CheckUnix
|
|
|
|
let save_mouse = &mouse
|
|
"let save_term = &term
|
|
"let save_ttymouse = &ttymouse
|
|
set mouse=a "term=xterm ttymouse=xterm2
|
|
|
|
call NewWindow(10, 20)
|
|
setl smoothscroll wrap
|
|
" First line will wrap to 3 physical lines. 2nd/3rd lines are short lines.
|
|
call setline(1, ["abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", "line 2", "line 3"])
|
|
|
|
func s:check_mouse_click(row, col, buf_row, buf_col)
|
|
call MouseLeftClick(a:row, a:col)
|
|
|
|
call assert_equal(a:col, wincol())
|
|
call assert_equal(a:row, winline())
|
|
call assert_equal(a:buf_row, line('.'))
|
|
call assert_equal(a:buf_col, col('.'))
|
|
endfunc
|
|
|
|
" Check that clicking without scroll works first.
|
|
call s:check_mouse_click(3, 5, 1, 45)
|
|
call s:check_mouse_click(4, 1, 2, 1)
|
|
call s:check_mouse_click(4, 6, 2, 6)
|
|
call s:check_mouse_click(5, 1, 3, 1)
|
|
call s:check_mouse_click(5, 6, 3, 6)
|
|
|
|
" Smooth scroll, and checks that this didn't mess up mouse clicking
|
|
exe "normal \<C-E>"
|
|
call s:check_mouse_click(2, 5, 1, 45)
|
|
call s:check_mouse_click(3, 1, 2, 1)
|
|
call s:check_mouse_click(3, 6, 2, 6)
|
|
call s:check_mouse_click(4, 1, 3, 1)
|
|
call s:check_mouse_click(4, 6, 3, 6)
|
|
|
|
exe "normal \<C-E>"
|
|
call s:check_mouse_click(1, 5, 1, 45)
|
|
call s:check_mouse_click(2, 1, 2, 1)
|
|
call s:check_mouse_click(2, 6, 2, 6)
|
|
call s:check_mouse_click(3, 1, 3, 1)
|
|
call s:check_mouse_click(3, 6, 3, 6)
|
|
|
|
" Make a new first line 11 physical lines tall so it's taller than window
|
|
" height, to test overflow calculations with really long lines wrapping.
|
|
normal gg
|
|
call setline(1, "12345678901234567890"->repeat(11))
|
|
exe "normal 6\<C-E>"
|
|
call s:check_mouse_click(5, 1, 1, 201)
|
|
call s:check_mouse_click(6, 1, 2, 1)
|
|
call s:check_mouse_click(7, 1, 3, 1)
|
|
|
|
let &mouse = save_mouse
|
|
"let &term = save_term
|
|
"let &ttymouse = save_ttymouse
|
|
endfunc
|
|
|
|
|
|
" vim: shiftwidth=2 sts=2 expandtab
|