diff options
-rw-r--r-- | src/nvim/move.c | 45 | ||||
-rw-r--r-- | test/functional/legacy/scroll_opt_spec.lua | 32 | ||||
-rw-r--r-- | test/old/testdir/test_scroll_opt.vim | 47 |
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 |