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vim-patch:9.0.0911: with 'smoothscroll' set mouse click position may be wrong

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Problem:    With 'smoothscroll' set mouse click position may be wrong.
Solution:   Adjust computations for w_skipcol. (Yee Cheng Chin, closes vim/vim#11514)

e6392b1021

Co-authored-by: Yee Cheng Chin <ychin.git@gmail.com>
This commit is contained in:
Luuk van Baal
2023-04-28 03:59:53 +02:00
parent 46646a9bb8
commit 5ba11087b6
2 changed files with 81 additions and 4 deletions
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61
test/old/testdir/test_scroll_opt.vim
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@@ -2,6 +2,7 @@
source check.vim
source screendump.vim
source mouse.vim
func Test_reset_scroll()
let scr = &l:scroll
@@ -469,5 +470,65 @@ func Test_smoothscroll_cursor_position()
bwipeout!
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