diff --git a/src/nvim/buffer_defs.h b/src/nvim/buffer_defs.h index d92d425ed5..5e9652792a 100644 --- a/src/nvim/buffer_defs.h +++ b/src/nvim/buffer_defs.h @@ -1226,6 +1226,8 @@ struct window_S { bool w_viewport_invalid; linenr_T w_viewport_last_topline; // topline when the viewport was last updated + linenr_T w_viewport_last_topfill; // topfill when the viewport was last updated + linenr_T w_viewport_last_skipcol; // skipcol when the viewport was last updated // w_cline_height is the number of physical lines taken by the buffer line // that the cursor is on. We use this to avoid extra calls to plines_win(). diff --git a/src/nvim/plines.c b/src/nvim/plines.c index eb1ae540a4..46bbbeeb07 100644 --- a/src/nvim/plines.c +++ b/src/nvim/plines.c @@ -595,3 +595,52 @@ static int win_nolbr_chartabsize(chartabsize_T *cts, int *headp) } return n; } + +int64_t win_get_text_height(win_T *const wp, const linenr_T first, const linenr_T last, + const int64_t start_vcol, const int64_t end_vcol) +{ + int width1 = 0; + int width2 = 0; + if (start_vcol >= 0 || end_vcol >= 0) { + width1 = wp->w_width_inner - win_col_off(wp); + width2 = width1 + win_col_off2(wp); + width1 = MAX(width1, 0); + width2 = MAX(width2, 0); + } + + int64_t size = 0; + int64_t height_nofill = 0; + linenr_T lnum = first; + + if (start_vcol >= 0) { + linenr_T lnum_next = lnum; + const bool folded = hasFoldingWin(wp, lnum, &lnum, &lnum_next, true, NULL); + height_nofill = folded ? 1 : plines_win_nofill(wp, lnum, false); + size += height_nofill; + const int64_t row_off = (start_vcol < width1 || width2 <= 0) + ? 0 + : 1 + (start_vcol - width1) / width2; + size -= MIN(row_off, height_nofill); + lnum = lnum_next + 1; + } + + while (lnum <= last) { + linenr_T lnum_next = lnum; + const bool folded = hasFoldingWin(wp, lnum, &lnum, &lnum_next, true, NULL); + height_nofill = folded ? 1 : plines_win_nofill(wp, lnum, false); + size += win_get_fill(wp, lnum) + height_nofill; + lnum = lnum_next + 1; + } + + if (end_vcol >= 0) { + size -= height_nofill; + const int64_t row_off = end_vcol == 0 + ? 0 + : (end_vcol <= width1 || width2 <= 0) + ? 1 + : 1 + (end_vcol - width1 + width2 - 1) / width2; + size += MIN(row_off, height_nofill); + } + + return size; +} diff --git a/src/nvim/window.c b/src/nvim/window.c index 20e9dfec07..f5533db385 100644 --- a/src/nvim/window.c +++ b/src/nvim/window.c @@ -1037,22 +1037,31 @@ void ui_ext_win_viewport(win_T *wp) // interact with incomplete final line? Diff filler lines? botline = wp->w_buffer->b_ml.ml_line_count; } - int scroll_delta = 0; - if (wp->w_viewport_last_topline > line_count) { - scroll_delta -= wp->w_viewport_last_topline - line_count; - wp->w_viewport_last_topline = line_count; + int64_t delta = 0; + linenr_T last_topline = wp->w_viewport_last_topline; + int last_topfill = wp->w_viewport_last_topfill; + int64_t last_skipcol = wp->w_viewport_last_skipcol; + if (last_topline > line_count) { + delta -= last_topline - line_count; + last_topline = line_count; + last_topfill = 0; + last_skipcol = MAXCOL; } - if (wp->w_topline < wp->w_viewport_last_topline) { - scroll_delta -= plines_m_win(wp, wp->w_topline, wp->w_viewport_last_topline - 1); - } else if (wp->w_topline > wp->w_viewport_last_topline - && wp->w_topline <= line_count) { - scroll_delta += plines_m_win(wp, wp->w_viewport_last_topline, wp->w_topline - 1); + if (wp->w_topline < last_topline + || (wp->w_topline == last_topline && wp->w_skipcol < last_skipcol)) { + delta -= win_get_text_height(wp, wp->w_topline, last_topline, wp->w_skipcol, last_skipcol); + } else if ((wp->w_topline > last_topline && wp->w_topline <= line_count) + || (wp->w_topline == last_topline && wp->w_skipcol > last_skipcol)) { + delta += win_get_text_height(wp, last_topline, wp->w_topline, last_skipcol, wp->w_skipcol); } - ui_call_win_viewport(wp->w_grid_alloc.handle, wp->handle, wp->w_topline - 1, - botline, wp->w_cursor.lnum - 1, wp->w_cursor.col, - line_count, scroll_delta); + delta += last_topfill; + delta -= wp->w_topfill; + ui_call_win_viewport(wp->w_grid_alloc.handle, wp->handle, wp->w_topline - 1, botline, + wp->w_cursor.lnum - 1, wp->w_cursor.col, line_count, delta); wp->w_viewport_invalid = false; wp->w_viewport_last_topline = wp->w_topline; + wp->w_viewport_last_topfill = wp->w_topfill; + wp->w_viewport_last_skipcol = wp->w_skipcol; } } diff --git a/test/functional/ui/fold_spec.lua b/test/functional/ui/fold_spec.lua index 71b9e49d2f..2c8455753e 100644 --- a/test/functional/ui/fold_spec.lua +++ b/test/functional/ui/fold_spec.lua @@ -1923,7 +1923,7 @@ describe("folded lines", function() meths.buf_set_extmark(0, ns, 2, 0, { virt_lines_above = true, virt_lines = {{{"virt_line above line 3", ""}}} }) meths.buf_set_extmark(0, ns, 3, 0, { virt_lines = {{{"virt_line below line 4", ""}}} }) if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -1943,7 +1943,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 5, curline = 0, curcol = 0, linecount = 4, sum_scroll_delta = 0}; + }} else screen:expect([[ {5:^+-- 2 lines: line 1·························}| @@ -1959,7 +1961,7 @@ describe("folded lines", function() feed('jzfj') if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -1979,7 +1981,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 5, curline = 2, curcol = 0, linecount = 4, sum_scroll_delta = 0}; + }} else screen:expect([[ {5:+-- 2 lines: line 1·························}| @@ -1996,7 +2000,7 @@ describe("folded lines", function() feed('kzo') funcs.setline(5, 'line 5') if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -2016,7 +2020,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 6, curline = 0, curcol = 0, linecount = 5, sum_scroll_delta = -1}; + }} else screen:expect([[ virt_line above line 1 | @@ -2044,7 +2050,7 @@ describe("folded lines", function() meths.buf_set_extmark(0, ns, 1, 0, { virt_lines = {{{"more virt_line below line 2", ""}}} }) feed('G') if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -2064,7 +2070,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 6, curline = 4, curcol = 0, linecount = 5, sum_scroll_delta = 0}; + }} else screen:expect([[ line 1 | @@ -2080,7 +2088,7 @@ describe("folded lines", function() feed('') if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -2100,7 +2108,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 1, botline = 6, curline = 4, curcol = 0, linecount = 5, sum_scroll_delta = 1}; + }} else screen:expect([[ line 2 | @@ -2116,7 +2126,7 @@ describe("folded lines", function() feed('') if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -2136,7 +2146,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 2, botline = 6, curline = 4, curcol = 0, linecount = 5, sum_scroll_delta = 2}; + }} else screen:expect([[ virt_line below line 2 | @@ -2152,7 +2164,7 @@ describe("folded lines", function() feed('') if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -2172,7 +2184,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 2, botline = 6, curline = 4, curcol = 0, linecount = 5, sum_scroll_delta = 3}; + }} else screen:expect([[ more virt_line below line 2 | @@ -2188,7 +2202,7 @@ describe("folded lines", function() feed('') if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -2208,7 +2222,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 2, botline = 6, curline = 4, curcol = 0, linecount = 5, sum_scroll_delta = 4}; + }} else screen:expect([[ {5:+-- 2 lines: line 3·························}| @@ -2224,7 +2240,7 @@ describe("folded lines", function() feed('') if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -2244,7 +2260,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 4, botline = 6, curline = 4, curcol = 0, linecount = 5, sum_scroll_delta = 5}; + }} else screen:expect([[ ^line 5 | @@ -2260,7 +2278,7 @@ describe("folded lines", function() feed('3') if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -2280,7 +2298,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 2, botline = 6, curline = 4, curcol = 0, linecount = 5, sum_scroll_delta = 2}; + }} else screen:expect([[ virt_line below line 2 | @@ -2296,7 +2316,7 @@ describe("folded lines", function() meths.input_mouse('left', 'press', '3', multigrid and 2 or 0, 3, 0) if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -2316,7 +2336,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 {11:-- VISUAL LINE --} | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 2, botline = 6, curline = 4, curcol = 0, linecount = 5, sum_scroll_delta = 2}; + }} else screen:expect([[ virt_line below line 2 | @@ -2332,7 +2354,7 @@ describe("folded lines", function() meths.input_mouse('left', 'drag', '3', multigrid and 2 or 0, 7, 0) if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -2352,7 +2374,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 {11:-- VISUAL LINE --} | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 2, botline = 6, curline = 4, curcol = 0, linecount = 5, sum_scroll_delta = 3}; + }} else screen:expect([[ more virt_line below line 2 | @@ -2368,7 +2392,7 @@ describe("folded lines", function() meths.input_mouse('left', 'drag', '3', multigrid and 2 or 0, 7, 5) if multigrid then - screen:expect([[ + screen:expect{grid=[[ ## grid 1 [2:---------------------------------------------]| [2:---------------------------------------------]| @@ -2388,7 +2412,9 @@ describe("folded lines", function() {1:~ }| ## grid 3 {11:-- VISUAL LINE --} | - ]]) + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 2, botline = 6, curline = 4, curcol = 5, linecount = 5, sum_scroll_delta = 4}; + }} else screen:expect([[ {5:+-- 2 lines: line 3·························}| diff --git a/test/functional/ui/multigrid_spec.lua b/test/functional/ui/multigrid_spec.lua index 8918c46de6..d643a77be7 100644 --- a/test/functional/ui/multigrid_spec.lua +++ b/test/functional/ui/multigrid_spec.lua @@ -3341,6 +3341,294 @@ describe('ext_multigrid', function() [2] = {win = {id = 1000}, topline = 0, botline = 3, curline = 0, curcol = 10, linecount = 11, sum_scroll_delta = 0}, [4] = {win = {id = 1001}, topline = 6, botline = 10, curline = 6, curcol = 0, linecount = 11, sum_scroll_delta = 5}, }} + + command('close | 21vsplit | setlocal number smoothscroll') + screen:expect{grid=[[ + ## grid 1 + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + {11:[No Name] [+] }{12:[No Name] [+] }| + [3:------------------------------------------------]| + ## grid 2 + Lorem ipsum dolor sit amet| + , consectetur | + adipisicing elit, sed do e| + iusmod tempor | + incididunt ut labore et do| + lore magna aliqua. | + ## grid 3 + | + ## grid 5 + {19: 1 }Lorem ipsu^m dolor| + {19: } sit amet, consec| + {19: }tetur | + {19: 2 }adipisicing elit,| + {19: } sed do eiusmod t| + {19: }empor | + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 4, curline = 0, curcol = 10, linecount = 11, sum_scroll_delta = 0}; + [5] = {win = {id = 1002}, topline = 0, botline = 3, curline = 0, curcol = 10, linecount = 11, sum_scroll_delta = 0}; + }} + + feed('5') + screen:expect{grid=[[ + ## grid 1 + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + {11:[No Name] [+] }{12:[No Name] [+] }| + [3:------------------------------------------------]| + ## grid 2 + Lorem ipsum dolor sit amet| + , consectetur | + adipisicing elit, sed do e| + iusmod tempor | + incididunt ut labore et do| + lore magna aliqua. | + ## grid 3 + | + ## grid 5 + {1:<<<}{19: }empo^r | + {19: 3 }incididunt ut lab| + {19: }ore et dolore mag| + {19: }na aliqua. | + {19: 4 }Ut enim ad minim | + {19: }veniam, quis n{1:@@@}| + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 4, curline = 0, curcol = 10, linecount = 11, sum_scroll_delta = 0}; + [5] = {win = {id = 1002}, topline = 1, botline = 4, curline = 1, curcol = 38, linecount = 11, sum_scroll_delta = 5}; + }} + + feed('') + screen:expect{grid=[[ + ## grid 1 + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + {11:[No Name] [+] }{12:[No Name] [+] }| + [3:------------------------------------------------]| + ## grid 2 + Lorem ipsum dolor sit amet| + , consectetur | + adipisicing elit, sed do e| + iusmod tempor | + incididunt ut labore et do| + lore magna aliqua. | + ## grid 3 + | + ## grid 5 + {1:<<<}{19: } sed do eiusmod t| + {19: }empo^r | + {19: 3 }incididunt ut lab| + {19: }ore et dolore mag| + {19: }na aliqua. | + {19: 4 }Ut enim ad min{1:@@@}| + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 4, curline = 0, curcol = 10, linecount = 11, sum_scroll_delta = 0}; + [5] = {win = {id = 1002}, topline = 1, botline = 4, curline = 1, curcol = 38, linecount = 11, sum_scroll_delta = 4}; + }} + + command('set cpoptions+=n') + screen:expect{grid=[[ + ## grid 1 + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + {11:[No Name] [+] }{12:[No Name] [+] }| + [3:------------------------------------------------]| + ## grid 2 + Lorem ipsum dolor sit amet| + , consectetur | + adipisicing elit, sed do e| + iusmod tempor | + incididunt ut labore et do| + lore magna aliqua. | + ## grid 3 + | + ## grid 5 + {1:<<<}d do eiusmod tempo| + ^r | + {19: 3 }incididunt ut lab| + ore et dolore magna a| + liqua. | + {19: 4 }Ut enim ad min{1:@@@}| + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 4, curline = 0, curcol = 10, linecount = 11, sum_scroll_delta = 0}; + [5] = {win = {id = 1002}, topline = 1, botline = 4, curline = 1, curcol = 38, linecount = 11, sum_scroll_delta = 4}; + }} + + feed('4') + screen:expect{grid=[[ + ## grid 1 + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + {11:[No Name] [+] }{12:[No Name] [+] }| + [3:------------------------------------------------]| + ## grid 2 + Lorem ipsum dolor sit amet| + , consectetur | + adipisicing elit, sed do e| + iusmod tempor | + incididunt ut labore et do| + lore magna aliqua. | + ## grid 3 + | + ## grid 5 + {1:<<<}ua^. | + {19: 4 }Ut enim ad minim | + veniam, quis nostrud | + {19: 5 }exercitation ulla| + mco laboris nisi ut a| + liquip ex | + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 4, curline = 0, curcol = 10, linecount = 11, sum_scroll_delta = 0}; + [5] = {win = {id = 1002}, topline = 2, botline = 6, curline = 2, curcol = 43, linecount = 11, sum_scroll_delta = 8}; + }} + + feed('2') + screen:expect{grid=[[ + ## grid 1 + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + {11:[No Name] [+] }{12:[No Name] [+] }| + [3:------------------------------------------------]| + ## grid 2 + Lorem ipsum dolor sit amet| + , consectetur | + adipisicing elit, sed do e| + iusmod tempor | + incididunt ut labore et do| + lore magna aliqua. | + ## grid 3 + | + ## grid 5 + {19: 3 }incididunt ut lab| + ore et dolore magna a| + liqua^. | + {19: 4 }Ut enim ad minim | + veniam, quis nostrud | + {19: 5 }exercitation u{1:@@@}| + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 4, curline = 0, curcol = 10, linecount = 11, sum_scroll_delta = 0}; + [5] = {win = {id = 1002}, topline = 2, botline = 5, curline = 2, curcol = 43, linecount = 11, sum_scroll_delta = 6}; + }} + + command('setlocal numberwidth=12') + screen:expect{grid=[[ + ## grid 1 + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + {11:[No Name] [+] }{12:[No Name] [+] }| + [3:------------------------------------------------]| + ## grid 2 + Lorem ipsum dolor sit amet| + , consectetur | + adipisicing elit, sed do e| + iusmod tempor | + incididunt ut labore et do| + lore magna aliqua. | + ## grid 3 + | + ## grid 5 + {19: 3 }incididun| + t ut labore et dolore| + magna aliqua^. | + {19: 4 }Ut enim a| + d minim veniam, quis | + nostrud | + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 4, curline = 0, curcol = 10, linecount = 11, sum_scroll_delta = 0}; + [5] = {win = {id = 1002}, topline = 2, botline = 5, curline = 2, curcol = 43, linecount = 11, sum_scroll_delta = 6}; + }} + + feed('2') + screen:expect{grid=[[ + ## grid 1 + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + {11:[No Name] [+] }{12:[No Name] [+] }| + [3:------------------------------------------------]| + ## grid 2 + Lorem ipsum dolor sit amet| + , consectetur | + adipisicing elit, sed do e| + iusmod tempor | + incididunt ut labore et do| + lore magna aliqua. | + ## grid 3 + | + ## grid 5 + {1:<<<}gna aliqua^. | + {19: 4 }Ut enim a| + d minim veniam, quis | + nostrud | + {19: 5 }exercitat| + ion ullamco labori{1:@@@}| + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 4, curline = 0, curcol = 10, linecount = 11, sum_scroll_delta = 0}; + [5] = {win = {id = 1002}, topline = 2, botline = 5, curline = 2, curcol = 43, linecount = 11, sum_scroll_delta = 8}; + }} + + feed('') + screen:expect{grid=[[ + ## grid 1 + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + [5:---------------------]│[2:--------------------------]| + {11:[No Name] [+] }{12:[No Name] [+] }| + [3:------------------------------------------------]| + ## grid 2 + Lorem ipsum dolor sit amet| + , consectetur | + adipisicing elit, sed do e| + iusmod tempor | + incididunt ut labore et do| + lore magna aliqua. | + ## grid 3 + | + ## grid 5 + {19: 4 }Ut enim a| + d minim veniam, quis | + nostru^d | + {19: 5 }exercitat| + ion ullamco laboris n| + isi ut aliquip ex | + ]], win_viewport={ + [2] = {win = {id = 1000}, topline = 0, botline = 4, curline = 0, curcol = 10, linecount = 11, sum_scroll_delta = 0}; + [5] = {win = {id = 1002}, topline = 3, botline = 6, curline = 3, curcol = 36, linecount = 11, sum_scroll_delta = 9}; + }} end) it('does not crash when dragging mouse across grid boundary', function()