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-rw-r--r--src/nvim/move.c45
-rw-r--r--test/functional/legacy/scroll_opt_spec.lua32
-rw-r--r--test/old/testdir/test_scroll_opt.vim47
3 files changed, 96 insertions, 28 deletions
diff --git a/src/nvim/move.c b/src/nvim/move.c
index 8113331c62..b0a4a3848a 100644
--- a/src/nvim/move.c
+++ b/src/nvim/move.c
@@ -164,6 +164,22 @@ static void redraw_for_cursorcolumn(win_T *wp)
}
}
+/// Calculates how much overlap the smoothscroll marker "<<<" overlaps with
+/// buffer text for curwin.
+/// Parameter "extra2" should be the padding on the 2nd line, not the first
+/// line.
+/// Returns the number of columns of overlap with buffer text, excluding the
+/// extra padding on the ledge.
+static int smoothscroll_marker_overlap(win_T *wp, int extra2)
+{
+ // We don't draw the <<< marker when in showbreak mode, thus no need to
+ // account for it. See grid_put_linebuf().
+ if (*get_showbreak_value(wp) != NUL) {
+ return 0;
+ }
+ return extra2 > 3 ? 0 : 3 - extra2;
+}
+
/// Set wp->s_skipcol to zero and redraw later if needed.
static void reset_skipcol(win_T *wp)
{
@@ -239,10 +255,12 @@ void update_topline(win_T *wp)
} else if (wp->w_skipcol > 0 && wp->w_cursor.lnum == wp->w_topline) {
colnr_T vcol;
- // check the cursor position is visible. Add 3 for the ">>>"
- // displayed in the top-left.
+ // Check that the cursor position is visible. Add columns for the
+ // smoothscroll marker "<<<" displayed in the top-left if needed.
getvvcol(wp, &wp->w_cursor, &vcol, NULL, NULL);
- if (wp->w_skipcol + 3 >= vcol) {
+ int smoothscroll_overlap = smoothscroll_marker_overlap(wp,
+ win_col_off(wp) - win_col_off2(wp));
+ if (wp->w_skipcol + smoothscroll_overlap > vcol) {
check_topline = true;
}
}
@@ -1387,12 +1405,21 @@ bool scrollup(long line_count, int byfold)
}
if (curwin->w_cursor.lnum == curwin->w_topline && do_sms && curwin->w_skipcol > 0) {
- int width1 = curwin->w_width - curwin_col_off();
- int width2 = width1 + curwin_col_off2();
+ int col_off = curwin_col_off();
+ int col_off2 = curwin_col_off2();
+
+ int width1 = curwin->w_width - col_off;
+ int width2 = width1 + col_off2;
+ int extra2 = col_off - col_off2;
long so = get_scrolloff_value(curwin);
long scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2;
int space_cols = (curwin->w_height - 1) * width2;
+ // If we have non-zero scrolloff, just ignore the <<< marker as we are
+ // going past it anyway.
+ int smoothscroll_overlap = scrolloff_cols != 0 ? 0 :
+ smoothscroll_marker_overlap(curwin, extra2);
+
// Make sure the cursor is in a visible part of the line, taking
// 'scrolloff' into account, but using screen lines.
// If there are not enough screen lines put the cursor in the middle.
@@ -1400,13 +1427,13 @@ bool scrollup(long line_count, int byfold)
scrolloff_cols = space_cols / 2;
}
validate_virtcol();
- if (curwin->w_virtcol < curwin->w_skipcol + 3 + scrolloff_cols) {
+ if (curwin->w_virtcol < curwin->w_skipcol + smoothscroll_overlap + scrolloff_cols) {
colnr_T col = curwin->w_virtcol;
if (col < width1) {
col += width1;
}
- while (col < curwin->w_skipcol + 3 + scrolloff_cols) {
+ while (col < curwin->w_skipcol + smoothscroll_overlap + scrolloff_cols) {
col += width2;
}
curwin->w_curswant = col;
@@ -2180,9 +2207,9 @@ void cursor_correct(void)
curwin->w_viewport_invalid = true;
}
-// move screen 'count' pages up or down and update screen
+// Move screen "count" pages up or down and update screen.
//
-// return FAIL for failure, OK otherwise
+// Return FAIL for failure, OK otherwise.
int onepage(Direction dir, long count)
{
long n;
diff --git a/test/functional/legacy/scroll_opt_spec.lua b/test/functional/legacy/scroll_opt_spec.lua
index 2f88221032..a05470418f 100644
--- a/test/functional/legacy/scroll_opt_spec.lua
+++ b/test/functional/legacy/scroll_opt_spec.lua
@@ -279,8 +279,8 @@ describe('smoothscroll', function()
]])
exec('call DoRel()')
screen:expect([[
- 2<<<ong text very long text very long te|
- ^xt very long text very long text ver|
+ 2<<<^ong text very long text very long te|
+ xt very long text very long text ver|
y long text very long text very long|
text very long text very long text |
1 three |
@@ -380,8 +380,20 @@ describe('smoothscroll', function()
screen:expect_unchanged()
feed('G')
screen:expect_unchanged()
- -- moving cursor up - whole top line shows
- feed('2k')
+ -- moving cursor up right after the >>> marker - no need to show whole line
+ feed('2gj3l2k')
+ screen:expect([[
+ <<<^h some text with some text |
+ Line with some text with some text with |
+ some text with some text with some text |
+ with some text with some text |
+ Line with some text with some text with |
+ some text with some text with some text |
+ with some text with some text |
+ |
+ ]])
+ -- moving cursor up where the >>> marker is - whole top line shows
+ feed('2j02k')
screen:expect([[
^Line with some text with some text with |
some text with some text with some text |
@@ -524,11 +536,9 @@ describe('smoothscroll', function()
-- oldtest: Test_smoothscroll_long_line_showbreak()
it("cursor is not one screen line too far down", function()
screen:try_resize(40, 6)
- exec([[
- " a line that spans four screen lines
- call setline(1, 'with lots of text in one line '->repeat(6))
- set smoothscroll scrolloff=0 showbreak=+++\
- ]])
+ -- a line that spans four screen lines
+ exec("call setline(1, 'with lots of text in one line '->repeat(6))")
+ exec('set smoothscroll scrolloff=0 showbreak=+++\\ ')
local s1 = [[
^with lots of text in one line with lots |
+++ of text in one line with lots of tex|
@@ -540,8 +550,8 @@ describe('smoothscroll', function()
screen:expect(s1)
feed('<C-E>')
screen:expect([[
- +++ of text in one line with lots of tex|
- +++ ^t in one line with lots of text in o|
+ +++ ^of text in one line with lots of tex|
+ +++ t in one line with lots of text in o|
+++ ne line with lots of text in one lin|
+++ e with lots of text in one line |
~ |
diff --git a/test/old/testdir/test_scroll_opt.vim b/test/old/testdir/test_scroll_opt.vim
index 657172edea..b9645898e8 100644
--- a/test/old/testdir/test_scroll_opt.vim
+++ b/test/old/testdir/test_scroll_opt.vim
@@ -247,10 +247,14 @@ func Test_smoothscroll_wrap_scrolloff_zero()
call term_sendkeys(buf, "G")
call VerifyScreenDump(buf, 'Test_smooth_wrap_4', {})
- " moving cursor up - whole top line shows
- call term_sendkeys(buf, "2k")
+ " moving cursor up right after the >>> marker - no need to show whole line
+ call term_sendkeys(buf, "2gj3l2k")
call VerifyScreenDump(buf, 'Test_smooth_wrap_5', {})
+ " moving cursor up where the >>> marker is - whole top line shows
+ call term_sendkeys(buf, "2j02k")
+ call VerifyScreenDump(buf, 'Test_smooth_wrap_6', {})
+
call StopVimInTerminal(buf)
endfunc
@@ -338,7 +342,6 @@ func Test_smoothscroll_long_line_showbreak()
let buf = RunVimInTerminal('-S XSmoothLongShowbreak', #{rows: 6, cols: 40})
call VerifyScreenDump(buf, 'Test_smooth_long_showbreak_1', {})
- " FIXME: this currently has the cursor in screen line 2, should be one up.
call term_sendkeys(buf, "\<C-E>")
call VerifyScreenDump(buf, 'Test_smooth_long_showbreak_2', {})
@@ -370,10 +373,16 @@ func Test_smoothscroll_cursor_position()
call s:check_col_calc(1, 2, 41)
exe "normal \<C-Y>"
call s:check_col_calc(1, 3, 41)
- normal ggg$
+
+ normal gg3l
exe "normal \<C-E>"
" Move down only 1 line when we are out of the range of the <<< display
+ call s:check_col_calc(4, 1, 24)
+ exe "normal \<C-Y>"
+ call s:check_col_calc(4, 2, 24)
+ normal ggg$
+ exe "normal \<C-E>"
call s:check_col_calc(20, 1, 40)
exe "normal \<C-Y>"
call s:check_col_calc(20, 2, 40)
@@ -383,9 +392,11 @@ func Test_smoothscroll_cursor_position()
setl number
call s:check_col_calc(5, 1, 1)
exe "normal \<C-E>"
- call s:check_col_calc(5, 2, 33)
+
+ " Move down only 1 line when the <<< display is on the number column
+ call s:check_col_calc(5, 1, 17)
exe "normal \<C-Y>"
- call s:check_col_calc(5, 3, 33)
+ call s:check_col_calc(5, 2, 17)
normal ggg$
exe "normal \<C-E>"
call s:check_col_calc(20, 1, 32)
@@ -393,13 +404,33 @@ func Test_smoothscroll_cursor_position()
call s:check_col_calc(20, 2, 32)
normal gg
+ setl numberwidth=1
+
+ " Move down another line when numberwidth is too short to cover the whole
+ " <<< display
+ call s:check_col_calc(3, 1, 1)
+ exe "normal \<C-E>"
+ call s:check_col_calc(3, 2, 37)
+ exe "normal \<C-Y>"
+ call s:check_col_calc(3, 3, 37)
+ normal ggl
+
+ " Only move 1 line down when we are just past the <<< display
+ call s:check_col_calc(4, 1, 2)
+ exe "normal \<C-E>"
+ call s:check_col_calc(4, 1, 20)
+ exe "normal \<C-Y>"
+ call s:check_col_calc(4, 2, 20)
+ normal gg
+ setl numberwidth&
+
" Test number + showbreak, so test that the additional indentation works
setl number showbreak=+++
call s:check_col_calc(5, 1, 1)
exe "normal \<C-E>"
- call s:check_col_calc(8, 2, 30)
+ call s:check_col_calc(8, 1, 17)
exe "normal \<C-Y>"
- call s:check_col_calc(8, 3, 30)
+ call s:check_col_calc(8, 2, 17)
normal gg
" Test number + cpo+=n mode, where wrapped lines aren't indented