patch 9.0.0640: cannot scroll by screen line if a line wraps
Problem: Cannot scroll by screen line if a line wraps.
Solution: Add the 'smoothscroll' option. Only works for CTRL-E and CTRL-Y
so far.
diff --git a/src/testdir/test_scroll_opt.vim b/src/testdir/test_scroll_opt.vim
index bf28123..f034d3a 100644
--- a/src/testdir/test_scroll_opt.vim
+++ b/src/testdir/test_scroll_opt.vim
@@ -1,4 +1,7 @@
-" Test for reset 'scroll'
+" Test for reset 'scroll' and 'smoothscroll'
+
+source check.vim
+source screendump.vim
func Test_reset_scroll()
let scr = &l:scroll
@@ -34,4 +37,47 @@
quit!
endfunc
+func Test_smoothscroll_CtrlE_CtrlY()
+ CheckScreendump
+
+ let lines =<< trim END
+ vim9script
+ setline(1, [
+ 'line one',
+ 'word '->repeat(20),
+ 'line three',
+ 'long word '->repeat(7),
+ 'line',
+ 'line',
+ 'line',
+ ])
+ set smoothscroll
+ :5
+ END
+ call writefile(lines, 'XSmoothScroll', 'D')
+ let buf = RunVimInTerminal('-S XSmoothScroll', #{rows: 12, cols: 40})
+
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smoothscroll_1', {})
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smoothscroll_2', {})
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smoothscroll_3', {})
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smoothscroll_4', {})
+
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smoothscroll_5', {})
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smoothscroll_6', {})
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smoothscroll_7', {})
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smoothscroll_8', {})
+
+ call StopVimInTerminal(buf)
+endfunc
+
+
+
" vim: shiftwidth=2 sts=2 expandtab