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-rw-r--r--src/nvim/move.c5
-rw-r--r--test/functional/legacy/scroll_opt_spec.lua13
-rw-r--r--test/old/testdir/test_scroll_opt.vim13
3 files changed, 30 insertions, 1 deletions
diff --git a/src/nvim/move.c b/src/nvim/move.c
index a3c4e18f5d..75f5c6438b 100644
--- a/src/nvim/move.c
+++ b/src/nvim/move.c
@@ -1109,10 +1109,12 @@ bool scrolldown(long line_count, int byfold)
curwin->w_topfill++;
done++;
} else {
- if (curwin->w_topline == 1 && curwin->w_skipcol < width1) {
+ // break when at the very top
+ if (curwin->w_topline == 1 && (!curwin->w_p_sms || curwin->w_skipcol < width1)) {
break;
}
if (curwin->w_p_wrap && curwin->w_p_sms && curwin->w_skipcol >= width1) {
+ // scroll a screen line down
if (curwin->w_skipcol >= width1 + width2) {
curwin->w_skipcol -= width2;
} else {
@@ -1121,6 +1123,7 @@ bool scrolldown(long line_count, int byfold)
redraw_later(curwin, UPD_NOT_VALID);
done++;
} else {
+ // scroll a text line down
curwin->w_topline--;
curwin->w_skipcol = 0;
curwin->w_topfill = 0;
diff --git a/test/functional/legacy/scroll_opt_spec.lua b/test/functional/legacy/scroll_opt_spec.lua
index 0d0e9640a7..14dbe0caf9 100644
--- a/test/functional/legacy/scroll_opt_spec.lua
+++ b/test/functional/legacy/scroll_opt_spec.lua
@@ -14,6 +14,19 @@ describe('smoothscroll', function()
screen:attach()
end)
+ -- oldtest: Test_CtrlE_CtrlY_stop_at_end()
+ it('disabled does not break <C-E> and <C-Y> stop at end', function()
+ exec([[
+ enew
+ call setline(1, ['one', 'two'])
+ set number
+ ]])
+ feed('<C-Y>')
+ screen:expect({any = " 1 ^one"})
+ feed('<C-E><C-E><C-E>')
+ screen:expect({any = " 2 ^two"})
+ end)
+
-- oldtest: Test_smoothscroll_CtrlE_CtrlY()
it('works with <C-E> and <C-E>', function()
exec([[
diff --git a/test/old/testdir/test_scroll_opt.vim b/test/old/testdir/test_scroll_opt.vim
index 9375d4ad63..ed3ffd83e7 100644
--- a/test/old/testdir/test_scroll_opt.vim
+++ b/test/old/testdir/test_scroll_opt.vim
@@ -54,6 +54,19 @@ func Test_scolloff_even_line_count()
bwipe!
endfunc
+func Test_CtrlE_CtrlY_stop_at_end()
+ enew
+ call setline(1, ['one', 'two'])
+ set number
+ exe "normal \<C-Y>"
+ call assert_equal([" 1 one "], ScreenLines(1, 10))
+ exe "normal \<C-E>\<C-E>\<C-E>"
+ call assert_equal([" 2 two "], ScreenLines(1, 10))
+
+ bwipe!
+ set nonumber
+endfunc
+
func Test_smoothscroll_CtrlE_CtrlY()
CheckScreendump