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vim-patch:9.1.0211: page-wise scrolling does not support smooth-scrolling

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Problem:  Page-wise scrolling with Ctrl-F/Ctrl-B implements
          it's own logic to change the topline and cursor.
          In doing so, skipcol is not handled properly for
          'smoothscroll', and virtual lines.
Solution: Re-use the logic from Ctrl-E/Ctrl-Y while staying
          backward compatible as much as possible.

b9f5b95b7b
This commit is contained in:
Luuk van Baal
2024-03-26 19:06:39 +01:00
parent 19b443251f
commit 4147302f4b
9 changed files with 123 additions and 325 deletions
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40
test/old/testdir/test_edit.vim
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@@ -1312,15 +1312,15 @@ func Test_edit_PAGEUP_PAGEDOWN()
call feedkeys("i\<PageDown>\<esc>", 'tnix')
call assert_equal([0, 30, 1, 0], getpos('.'))
call feedkeys("A\<PageUp>\<esc>", 'tnix')
call assert_equal([0, 29, 1, 0], getpos('.'))
call assert_equal([0, 30, 1, 0], getpos('.'))
call feedkeys("A\<PageUp>\<esc>", 'tnix')
call assert_equal([0, 21, 1, 0], getpos('.'))
call assert_equal([0, 23, 1, 0], getpos('.'))
call feedkeys("A\<PageUp>\<esc>", 'tnix')
call assert_equal([0, 13, 1, 0], getpos('.'))
call assert_equal([0, 15, 1, 0], getpos('.'))
call feedkeys("A\<PageUp>\<esc>", 'tnix')
call assert_equal([0, 5, 1, 0], getpos('.'))
call assert_equal([0, 10, 1, 0], getpos('.'))
call feedkeys("A\<PageUp>\<esc>", 'tnix')
call assert_equal([0, 5, 11, 0], getpos('.'))
call assert_equal([0, 10, 11, 0], getpos('.'))
" <S-Up> is the same as <PageUp>
" <S-Down> is the same as <PageDown>
call cursor(1, 1)
@@ -1335,28 +1335,28 @@ func Test_edit_PAGEUP_PAGEDOWN()
call feedkeys("i\<S-Down>\<esc>", 'tnix')
call assert_equal([0, 30, 1, 0], getpos('.'))
call feedkeys("A\<S-Up>\<esc>", 'tnix')
call assert_equal([0, 29, 1, 0], getpos('.'))
call assert_equal([0, 30, 1, 0], getpos('.'))
call feedkeys("A\<S-Up>\<esc>", 'tnix')
call assert_equal([0, 21, 1, 0], getpos('.'))
call assert_equal([0, 23, 1, 0], getpos('.'))
call feedkeys("A\<S-Up>\<esc>", 'tnix')
call assert_equal([0, 13, 1, 0], getpos('.'))
call assert_equal([0, 15, 1, 0], getpos('.'))
call feedkeys("A\<S-Up>\<esc>", 'tnix')
call assert_equal([0, 5, 1, 0], getpos('.'))
call assert_equal([0, 10, 1, 0], getpos('.'))
call feedkeys("A\<S-Up>\<esc>", 'tnix')
call assert_equal([0, 5, 11, 0], getpos('.'))
call assert_equal([0, 10, 11, 0], getpos('.'))
set nostartofline
call cursor(30, 11)
norm! zt
call feedkeys("A\<PageUp>\<esc>", 'tnix')
call assert_equal([0, 29, 11, 0], getpos('.'))
call assert_equal([0, 30, 11, 0], getpos('.'))
call feedkeys("A\<PageUp>\<esc>", 'tnix')
call assert_equal([0, 21, 11, 0], getpos('.'))
call assert_equal([0, 23, 11, 0], getpos('.'))
call feedkeys("A\<PageUp>\<esc>", 'tnix')
call assert_equal([0, 13, 11, 0], getpos('.'))
call assert_equal([0, 15, 11, 0], getpos('.'))
call feedkeys("A\<PageUp>\<esc>", 'tnix')
call assert_equal([0, 5, 11, 0], getpos('.'))
call assert_equal([0, 10, 11, 0], getpos('.'))
call feedkeys("A\<PageUp>\<esc>", 'tnix')
call assert_equal([0, 5, 11, 0], getpos('.'))
call assert_equal([0, 10, 11, 0], getpos('.'))
call cursor(1, 1)
call feedkeys("A\<PageDown>\<esc>", 'tnix')
call assert_equal([0, 9, 11, 0], getpos('.'))
@@ -1373,15 +1373,15 @@ func Test_edit_PAGEUP_PAGEDOWN()
call cursor(30, 11)
norm! zt
call feedkeys("A\<S-Up>\<esc>", 'tnix')
call assert_equal([0, 29, 11, 0], getpos('.'))
call assert_equal([0, 30, 11, 0], getpos('.'))
call feedkeys("A\<S-Up>\<esc>", 'tnix')
call assert_equal([0, 21, 11, 0], getpos('.'))
call assert_equal([0, 23, 11, 0], getpos('.'))
call feedkeys("A\<S-Up>\<esc>", 'tnix')
call assert_equal([0, 13, 11, 0], getpos('.'))
call assert_equal([0, 15, 11, 0], getpos('.'))
call feedkeys("A\<S-Up>\<esc>", 'tnix')
call assert_equal([0, 5, 11, 0], getpos('.'))
call assert_equal([0, 10, 11, 0], getpos('.'))
call feedkeys("A\<S-Up>\<esc>", 'tnix')
call assert_equal([0, 5, 11, 0], getpos('.'))
call assert_equal([0, 10, 11, 0], getpos('.'))
call cursor(1, 1)
call feedkeys("A\<S-Down>\<esc>", 'tnix')
call assert_equal([0, 9, 11, 0], getpos('.'))