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-rw-r--r--runtime/doc/news.txt3
-rw-r--r--runtime/doc/options.txt10
-rw-r--r--runtime/doc/quickref.txt1
-rw-r--r--runtime/optwin.vim3
-rw-r--r--src/nvim/buffer_defs.h10
-rw-r--r--src/nvim/cursor.c27
-rw-r--r--src/nvim/drawline.c26
-rw-r--r--src/nvim/drawscreen.c20
-rw-r--r--src/nvim/edit.c7
-rw-r--r--src/nvim/ex_cmds.c6
-rw-r--r--src/nvim/ex_getln.c2
-rw-r--r--src/nvim/grid.c27
-rw-r--r--src/nvim/mouse.c28
-rw-r--r--src/nvim/move.c717
-rw-r--r--src/nvim/normal.c35
-rw-r--r--src/nvim/ops.c2
-rw-r--r--src/nvim/option.c16
-rw-r--r--src/nvim/option_defs.h1
-rw-r--r--src/nvim/options.lua9
-rw-r--r--src/nvim/plines.c22
-rw-r--r--test/functional/legacy/display_spec.lua47
-rw-r--r--test/functional/legacy/scroll_opt_spec.lua777
-rw-r--r--test/functional/ui/popupmenu_spec.lua2
-rw-r--r--test/old/testdir/test_alot.vim1
-rw-r--r--test/old/testdir/test_breakindent.vim44
-rw-r--r--test/old/testdir/test_diffmode.vim15
-rw-r--r--test/old/testdir/test_display.vim21
-rw-r--r--test/old/testdir/test_listlbr.vim2
-rw-r--r--test/old/testdir/test_listlbr_utf8.vim2
-rw-r--r--test/old/testdir/test_normal.vim40
-rw-r--r--test/old/testdir/test_number.vim2
-rw-r--r--test/old/testdir/test_options.vim104
-rw-r--r--test/old/testdir/test_scroll_opt.vim556
-rw-r--r--test/old/testdir/test_window_cmd.vim39
34 files changed, 2389 insertions, 235 deletions
diff --git a/runtime/doc/news.txt b/runtime/doc/news.txt
index f33cffa22e..bc357ac534 100644
--- a/runtime/doc/news.txt
+++ b/runtime/doc/news.txt
@@ -49,6 +49,9 @@ iterators |luaref-in|.
• Added |vim.treesitter.query.omnifunc()| for treesitter query files (set by
default).
+• |'smoothscroll'| option to scroll by screen line rather than by text line
+when |'wrap'| is set.
+
==============================================================================
CHANGED FEATURES *news-changed*
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index ba73d79cd3..ab86e56a62 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -5652,6 +5652,16 @@ A jump table for the options with a short description can be found at |Q_op|.
option. Also see |ins-expandtab|. When 'expandtab' is not set, the
number of spaces is minimized by using <Tab>s.
+ *'smoothscroll'* *'sms'* *'nosmoothscroll'* *'nosms'*
+'smoothscroll' 'sms' boolean (default off)
+ local to window
+ Scrolling works with screen lines. When 'wrap' is set and the first
+ line in the window wraps part of it may not be visible, as if it is
+ above the window. "<<<" is displayed at the start of the first line,
+ highlighted with |hl-NonText|.
+ NOTE: only partly implemented, currently works with CTRL-E, CTRL-Y
+ and scrolling with the mouse.
+
*'softtabstop'* *'sts'*
'softtabstop' 'sts' number (default 0)
local to buffer
diff --git a/runtime/doc/quickref.txt b/runtime/doc/quickref.txt
index 952f0064e6..c166ecd79d 100644
--- a/runtime/doc/quickref.txt
+++ b/runtime/doc/quickref.txt
@@ -870,6 +870,7 @@ Short explanation of each option: *option-list*
'smartcase' 'scs' no ignore case when pattern has uppercase
'smartindent' 'si' smart autoindenting for C programs
'smarttab' 'sta' use 'shiftwidth' when inserting <Tab>
+'smoothscroll' 'sms' scroll by screen lines when 'wrap' is set
'softtabstop' 'sts' number of spaces that <Tab> uses while editing
'spell' enable spell checking
'spellcapcheck' 'spc' pattern to locate end of a sentence
diff --git a/runtime/optwin.vim b/runtime/optwin.vim
index 0d10ac4758..b7b9c61123 100644
--- a/runtime/optwin.vim
+++ b/runtime/optwin.vim
@@ -305,6 +305,9 @@ call <SID>Header(gettext("displaying text"))
call <SID>AddOption("scroll", gettext("number of lines to scroll for CTRL-U and CTRL-D"))
call append("$", "\t" .. s:local_to_window)
call <SID>OptionL("scr")
+call <SID>AddOption("smoothscroll", gettext("scroll by screen line"))
+call append("$", "\t" .. s:local_to_window)
+call <SID>BinOptionL("sms")
call <SID>AddOption("scrolloff", gettext("number of screen lines to show around the cursor"))
call append("$", " \tset so=" . &so)
call <SID>AddOption("wrap", gettext("long lines wrap"))
diff --git a/src/nvim/buffer_defs.h b/src/nvim/buffer_defs.h
index 02226f3cc4..ce8ee21882 100644
--- a/src/nvim/buffer_defs.h
+++ b/src/nvim/buffer_defs.h
@@ -192,6 +192,8 @@ typedef struct {
#define w_p_rlc w_onebuf_opt.wo_rlc // 'rightleftcmd'
long wo_scr;
#define w_p_scr w_onebuf_opt.wo_scr // 'scroll'
+ int wo_sms;
+#define w_p_sms w_onebuf_opt.wo_sms // 'smoothscroll'
int wo_spell;
#define w_p_spell w_onebuf_opt.wo_spell // 'spell'
int wo_cuc;
@@ -1163,11 +1165,12 @@ struct window_S {
bool w_botfill; // true when filler lines are actually
// below w_topline (at end of file)
bool w_old_botfill; // w_botfill at last redraw
- colnr_T w_leftcol; // window column number of the left most
+ colnr_T w_leftcol; // screen column number of the left most
// character in the window; used when
// 'wrap' is off
- colnr_T w_skipcol; // starting column when a single line
- // doesn't fit in the window
+ colnr_T w_skipcol; // starting screen column for the first
+ // line in the window; used when 'wrap' is
+ // on; does not include win_col_off()
// six fields that are only used when there is a WinScrolled autocommand
linenr_T w_last_topline; ///< last known value for w_topline
@@ -1220,6 +1223,7 @@ struct window_S {
int w_valid;
pos_T w_valid_cursor; // last known position of w_cursor, used to adjust w_valid
colnr_T w_valid_leftcol; // last known w_leftcol
+ colnr_T w_valid_skipcol; // last known w_skipcol
bool w_viewport_invalid;
linenr_T w_viewport_last_topline; // topline when the viewport was last updated
diff --git a/src/nvim/cursor.c b/src/nvim/cursor.c
index 6d90b32545..8ba0b2ffb3 100644
--- a/src/nvim/cursor.c
+++ b/src/nvim/cursor.c
@@ -115,7 +115,7 @@ static int coladvance2(pos_T *pos, bool addspaces, bool finetune, colnr_T wcol_a
col = wcol;
if ((addspaces || finetune) && !VIsual_active) {
- curwin->w_curswant = linetabsize(line) + one_more;
+ curwin->w_curswant = linetabsize_str(line) + one_more;
if (curwin->w_curswant > 0) {
curwin->w_curswant--;
}
@@ -129,7 +129,7 @@ static int coladvance2(pos_T *pos, bool addspaces, bool finetune, colnr_T wcol_a
&& curwin->w_width_inner != 0
&& wcol >= (colnr_T)width
&& width > 0) {
- csize = linetabsize(line);
+ csize = linetabsize_str(line);
if (csize > 0) {
csize--;
}
@@ -439,23 +439,27 @@ void adjust_cursor_col(void)
}
}
-/// When curwin->w_leftcol has changed, adjust the cursor position.
+/// Set "curwin->w_leftcol" to "leftcol".
+/// Adjust the cursor position if needed.
///
/// @return true if the cursor was moved.
-bool leftcol_changed(void)
+bool set_leftcol(colnr_T leftcol)
{
- // TODO(hinidu): I think it should be colnr_T or int, but p_siso is long.
- // Perhaps we can change p_siso to int.
- int64_t lastcol;
- colnr_T s, e;
- bool retval = false;
+ // Return quickly when there is no change.
+ if (curwin->w_leftcol == leftcol) {
+ return false;
+ }
+ curwin->w_leftcol = leftcol;
changed_cline_bef_curs();
- lastcol = curwin->w_leftcol + curwin->w_width_inner - curwin_col_off() - 1;
+ // TODO(hinidu): I think it should be colnr_T or int, but p_siso is long.
+ // Perhaps we can change p_siso to int.
+ int64_t lastcol = curwin->w_leftcol + curwin->w_width_inner - curwin_col_off() - 1;
validate_virtcol();
+ bool retval = false;
// If the cursor is right or left of the screen, move it to last or first
- // character.
+ // visible character.
long siso = get_sidescrolloff_value(curwin);
if (curwin->w_virtcol > (colnr_T)(lastcol - siso)) {
retval = true;
@@ -468,6 +472,7 @@ bool leftcol_changed(void)
// If the start of the character under the cursor is not on the screen,
// advance the cursor one more char. If this fails (last char of the
// line) adjust the scrolling.
+ colnr_T s, e;
getvvcol(curwin, &curwin->w_cursor, &s, NULL, &e);
if (e > (colnr_T)lastcol) {
retval = true;
diff --git a/src/nvim/drawline.c b/src/nvim/drawline.c
index 9c6b5c3b8c..ef9912e503 100644
--- a/src/nvim/drawline.c
+++ b/src/nvim/drawline.c
@@ -595,19 +595,23 @@ static int get_line_number_attr(win_T *wp, winlinevars_T *wlv)
static void handle_lnum_col(win_T *wp, winlinevars_T *wlv, int num_signs, int sign_idx,
int sign_num_attr, int sign_cul_attr)
{
+ bool has_cpo_n = vim_strchr(p_cpo, CPO_NUMCOL) != NULL;
+
if ((wp->w_p_nu || wp->w_p_rnu)
- && (wlv->row == wlv->startrow + wlv->filler_lines
- || vim_strchr(p_cpo, CPO_NUMCOL) == NULL)) {
- // If 'signcolumn' is set to 'number' and a sign is present
- // in "lnum", then display the sign instead of the line
- // number.
+ && (wlv->row == wlv->startrow + wlv->filler_lines || !has_cpo_n)
+ // there is no line number in a wrapped line when "n" is in
+ // 'cpoptions', but 'breakindent' assumes it anyway.
+ && !((has_cpo_n && !wp->w_p_bri) && wp->w_skipcol > 0 && wlv->lnum == wp->w_topline)) {
+ // If 'signcolumn' is set to 'number' and a sign is present in "lnum",
+ // then display the sign instead of the line number.
if (*wp->w_p_scl == 'n' && *(wp->w_p_scl + 1) == 'u' && num_signs > 0) {
get_sign_display_info(true, wp, wlv, sign_idx, sign_cul_attr);
} else {
// Draw the line number (empty space after wrapping).
- if (wlv->row == wlv->startrow + wlv->filler_lines) {
+ if (wlv->row == wlv->startrow + wlv->filler_lines
+ && (wp->w_skipcol == 0 || wlv->row > wp->w_winrow || (wp->w_p_nu && wp->w_p_rnu))) {
get_line_number_str(wp, wlv->lnum, wlv->extra, sizeof(wlv->extra));
- if (wp->w_skipcol > 0) {
+ if (wp->w_skipcol > 0 && wlv->startrow == 0) {
for (wlv->p_extra = wlv->extra; *wlv->p_extra == ' '; wlv->p_extra++) {
*wlv->p_extra = '-';
}
@@ -754,7 +758,7 @@ static void handle_breakindent(win_T *wp, winlinevars_T *wlv)
wlv->n_extra = 0;
}
}
- if (wp->w_skipcol > 0 && wp->w_p_wrap && wp->w_briopt_sbr) {
+ if (wp->w_skipcol > 0 && wlv->startrow == 0 && wp->w_p_wrap && wp->w_briopt_sbr) {
wlv->need_showbreak = false;
}
// Correct end of highlighted area for 'breakindent',
@@ -804,7 +808,7 @@ static void handle_showbreak_and_filler(win_T *wp, winlinevars_T *wlv)
wlv->c_final = NUL;
wlv->n_extra = (int)strlen(sbr);
wlv->char_attr = win_hl_attr(wp, HLF_AT);
- if (wp->w_skipcol == 0 || !wp->w_p_wrap) {
+ if (wp->w_skipcol == 0 || wlv->startrow != 0 || !wp->w_p_wrap) {
wlv->need_showbreak = false;
}
wlv->vcol_sbr = wlv->vcol + mb_charlen(sbr);
@@ -1379,7 +1383,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool nochange,
// 'nowrap' or 'wrap' and a single line that doesn't fit: Advance to the
// first character to be displayed.
if (wp->w_p_wrap) {
- v = wp->w_skipcol;
+ v = startrow == 0 ? wp->w_skipcol : 0;
} else {
v = wp->w_leftcol;
}
@@ -2595,7 +2599,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool nochange,
if (c == NUL) {
// Highlight 'cursorcolumn' & 'colorcolumn' past end of the line.
if (wp->w_p_wrap) {
- v = wp->w_skipcol;
+ v = wlv.startrow == 0 ? wp->w_skipcol : 0;
} else {
v = wp->w_leftcol;
}
diff --git a/src/nvim/drawscreen.c b/src/nvim/drawscreen.c
index b5e516005b..ec5163f37a 100644
--- a/src/nvim/drawscreen.c
+++ b/src/nvim/drawscreen.c
@@ -1447,6 +1447,26 @@ static void win_update(win_T *wp, DecorProviders *providers)
init_search_hl(wp, &screen_search_hl);
+ // Make sure skipcol is valid, it depends on various options and the window
+ // width.
+ if (wp->w_skipcol > 0) {
+ int w = 0;
+ int width1 = wp->w_width_inner - win_col_off(wp);
+ int width2 = width1 + win_col_off2(wp);
+ int add = width1;
+
+ while (w < wp->w_skipcol) {
+ if (w > 0) {
+ add = width2;
+ }
+ w += add;
+ }
+ if (w != wp->w_skipcol) {
+ // always round down, the higher value may not be valid
+ wp->w_skipcol = w - add;
+ }
+ }
+
// Force redraw when width of 'number' or 'relativenumber' column
// changes.
int nrwidth = (wp->w_p_nu || wp->w_p_rnu || *wp->w_p_stc) ? number_width(wp) : 0;
diff --git a/src/nvim/edit.c b/src/nvim/edit.c
index 0fb1102f4f..2078fc4251 100644
--- a/src/nvim/edit.c
+++ b/src/nvim/edit.c
@@ -193,7 +193,7 @@ static void insert_enter(InsertState *s)
}
}
- Insstart_textlen = (colnr_T)linetabsize(get_cursor_line_ptr());
+ Insstart_textlen = linetabsize_str(get_cursor_line_ptr());
Insstart_blank_vcol = MAXCOL;
if (!did_ai) {
@@ -2251,7 +2251,7 @@ int stop_arrow(void)
// right, except when nothing was inserted yet.
update_Insstart_orig = false;
}
- Insstart_textlen = (colnr_T)linetabsize(get_cursor_line_ptr());
+ Insstart_textlen = linetabsize_str(get_cursor_line_ptr());
if (u_save_cursor() == OK) {
arrow_used = false;
@@ -2449,6 +2449,7 @@ void beginline(int flags)
}
curwin->w_set_curswant = true;
}
+ adjust_skipcol();
}
// oneright oneleft cursor_down cursor_up
@@ -2490,6 +2491,7 @@ int oneright(void)
curwin->w_cursor.col += l;
curwin->w_set_curswant = true;
+ adjust_skipcol();
return OK;
}
@@ -2538,6 +2540,7 @@ int oneleft(void)
// if the character on the left of the current cursor is a multi-byte
// character, move to its first byte
mb_adjust_cursor();
+ adjust_skipcol();
return OK;
}
diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c
index f276e8ae24..2c31f742c3 100644
--- a/src/nvim/ex_cmds.c
+++ b/src/nvim/ex_cmds.c
@@ -346,10 +346,8 @@ static int linelen(int *has_tab)
last > first && ascii_iswhite(last[-1]); last--) {}
char save = *last;
*last = NUL;
- // Get line length.
- len = linetabsize(line);
- // Check for embedded TAB.
- if (has_tab != NULL) {
+ len = linetabsize_str(line); // Get line length.
+ if (has_tab != NULL) { // Check for embedded TAB.
*has_tab = vim_strchr(first, TAB) != NULL;
}
*last = save;
diff --git a/src/nvim/ex_getln.c b/src/nvim/ex_getln.c
index 5018c9268b..af2ec3356f 100644
--- a/src/nvim/ex_getln.c
+++ b/src/nvim/ex_getln.c
@@ -504,6 +504,7 @@ static void may_do_incsearch_highlighting(int firstc, long count, incsearch_stat
}
validate_cursor();
+
// May redraw the status line to show the cursor position.
if (p_ru && (curwin->w_status_height > 0 || global_stl_height() > 0)) {
curwin->w_redr_status = true;
@@ -598,6 +599,7 @@ static void finish_incsearch_highlighting(int gotesc, incsearch_state_T *s, bool
magic_overruled = s->magic_overruled_save;
validate_cursor(); // needed for TAB
+ status_redraw_all();
redraw_all_later(UPD_SOME_VALID);
if (call_update_screen) {
update_screen();
diff --git a/src/nvim/grid.c b/src/nvim/grid.c
index 7745daf69a..037606c38f 100644
--- a/src/nvim/grid.c
+++ b/src/nvim/grid.c
@@ -22,7 +22,7 @@
#include "nvim/highlight.h"
#include "nvim/log.h"
#include "nvim/message.h"
-#include "nvim/option_defs.h"
+#include "nvim/option.h"
#include "nvim/types.h"
#include "nvim/ui.h"
#include "nvim/vim.h"
@@ -503,6 +503,7 @@ void grid_put_linebuf(ScreenGrid *grid, int row, int coloff, int endcol, int cle
int col = 0;
bool redraw_next; // redraw_this for next character
bool clear_next = false;
+ bool topline = row == 0;
int char_cells; // 1: normal char
// 2: occupies two display cells
int start_dirty = -1, end_dirty = 0;
@@ -529,6 +530,30 @@ void grid_put_linebuf(ScreenGrid *grid, int row, int coloff, int endcol, int cle
max_off_from = linebuf_size;
max_off_to = grid->line_offset[row] + (size_t)grid->cols;
+ // Take care of putting "<<<" on the first line for 'smoothscroll'.
+ if (topline && wp->w_skipcol > 0
+ // do not overwrite the 'showbreak' text with "<<<"
+ && *get_showbreak_value(wp) == NUL
+ // do not overwrite the 'listchars' "precedes" text with "<<<"
+ && !(wp->w_p_list && wp->w_p_lcs_chars.prec != 0)) {
+ int off = 0;
+ int skip = 0;
+ if (wp->w_p_nu && wp->w_p_rnu) {
+ // do not overwrite the line number, change "123 text" to
+ // "123>>>xt".
+ while (skip < wp->w_width_inner && ascii_isdigit(*linebuf_char[off])) {
+ off++;
+ skip++;
+ }
+ }
+
+ for (int i = 0; i < 3 && i + skip < wp->w_width_inner; i++) {
+ schar_from_ascii(linebuf_char[off], '<');
+ linebuf_attr[off] = HL_ATTR(HLF_AT);
+ off++;
+ }
+ }
+
if (rlflag) {
// Clear rest first, because it's left of the text.
if (clear_width > 0) {
diff --git a/src/nvim/mouse.c b/src/nvim/mouse.c
index 09352b370e..79bd65a88f 100644
--- a/src/nvim/mouse.c
+++ b/src/nvim/mouse.c
@@ -1410,9 +1410,22 @@ bool mouse_comp_pos(win_T *win, int *rowp, int *colp, linenr_T *lnump)
} else {
row -= win_get_fill(win, lnum);
}
- count = plines_win_nofill(win, lnum, true);
+ count = plines_win_nofill(win, lnum, false);
} else {
- count = plines_win(win, lnum, true);
+ count = plines_win(win, lnum, false);
+ }
+
+ if (win->w_skipcol > 0 && lnum == win->w_topline) {
+ // Adjust for 'smoothscroll' clipping the top screen lines.
+ // A similar formula is used in curs_columns().
+ int width1 = win->w_width_inner - win_col_off(win);
+ int skip_lines = 0;
+ if (win->w_skipcol > width1) {
+ skip_lines = (win->w_skipcol - width1) / (width1 + win_col_off2(win)) + 1;
+ } else if (win->w_skipcol > 0) {
+ skip_lines = 1;
+ }
+ count -= skip_lines;
}
if (count > row) {
@@ -1436,8 +1449,11 @@ bool mouse_comp_pos(win_T *win, int *rowp, int *colp, linenr_T *lnump)
col = off;
}
col += row * (win->w_width_inner - off);
- // add skip column (for long wrapping line)
- col += win->w_skipcol;
+
+ // Add skip column for the topline.
+ if (lnum == win->w_topline) {
+ col += win->w_skipcol;
+ }
}
if (!win->w_p_wrap) {
@@ -1648,8 +1664,6 @@ bool mouse_scroll_horiz(int dir)
return false;
}
- curwin->w_leftcol = (colnr_T)leftcol;
-
// When the line of the cursor is too short, move the cursor to the
// longest visible line.
if (!virtual_active()
@@ -1658,7 +1672,7 @@ bool mouse_scroll_horiz(int dir)
curwin->w_cursor.col = 0;
}
- return leftcol_changed();
+ return set_leftcol(leftcol);
}
/// Adjusts the clicked column position when 'conceallevel' > 0
diff --git a/src/nvim/move.c b/src/nvim/move.c
index 58f8b1c893..447926ceb8 100644
--- a/src/nvim/move.c
+++ b/src/nvim/move.c
@@ -57,6 +57,43 @@ typedef struct {
# include "move.c.generated.h"
#endif
+/// Reduce "n" for the screen lines skipped with "wp->w_skipcol".
+static int adjust_plines_for_skipcol(win_T *wp, int n)
+{
+ if (wp->w_skipcol == 0) {
+ return n;
+ }
+
+ int off = 0;
+ int width = wp->w_width_inner - win_col_off(wp);
+ if (wp->w_skipcol >= width) {
+ off++;
+ int skip = wp->w_skipcol - width;
+ width -= win_col_off2(wp);
+ while (skip >= width) {
+ off++;
+ skip -= width;
+ }
+ }
+ wp->w_valid &= ~VALID_WROW;
+ return n - off;
+}
+
+/// Return how many lines "lnum" will take on the screen, taking into account
+/// whether it is the first line, whether w_skipcol is non-zero and limiting to
+/// the window height.
+static int plines_correct_topline(win_T *wp, linenr_T lnum, linenr_T *nextp, bool *foldedp)
+{
+ int n = plines_win_full(wp, lnum, nextp, foldedp, true, false);
+ if (lnum == wp->w_topline) {
+ n = adjust_plines_for_skipcol(wp, n);
+ }
+ if (n > wp->w_height_inner) {
+ return wp->w_height_inner;
+ }
+ return n;
+}
+
// Compute wp->w_botline for the current wp->w_topline. Can be called after
// wp->w_topline changed.
static void comp_botline(win_T *wp)
@@ -78,7 +115,7 @@ static void comp_botline(win_T *wp)
for (; lnum <= wp->w_buffer->b_ml.ml_line_count; lnum++) {
linenr_T last = lnum;
bool folded;
- int n = plines_win_full(wp, lnum, &last, &folded, true);
+ int n = plines_correct_topline(wp, lnum, &last, &folded);
if (lnum <= wp->w_cursor.lnum && last >= wp->w_cursor.lnum) {
wp->w_cline_row = done;
wp->w_cline_height = n;
@@ -127,6 +164,51 @@ 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;
+}
+
+/// Calculates the skipcol offset for window "wp" given how many
+/// physical lines we want to scroll down.
+static int skipcol_from_plines(win_T *wp, int plines_off)
+{
+ int width1 = wp->w_width_inner - win_col_off(wp);
+
+ int skipcol = 0;
+ if (plines_off > 0) {
+ skipcol += width1;
+ }
+ if (plines_off > 1) {
+ skipcol += (width1 + win_col_off2(wp)) * (plines_off - 1);
+ }
+ return skipcol;
+}
+
+/// Set wp->s_skipcol to zero and redraw later if needed.
+static void reset_skipcol(win_T *wp)
+{
+ if (wp->w_skipcol != 0) {
+ wp->w_skipcol = 0;
+
+ // Should use the least expensive way that displays all that changed.
+ // UPD_NOT_VALID is too expensive, UPD_REDRAW_TOP does not redraw
+ // enough when the top line gets another screen line.
+ redraw_later(wp, UPD_SOME_VALID);
+ }
+}
+
// Update curwin->w_topline to move the cursor onto the screen.
void update_topline(win_T *wp)
{
@@ -178,7 +260,7 @@ void update_topline(win_T *wp)
bool check_topline = false;
// If the cursor is above or near the top of the window, scroll the window
// to show the line the cursor is in, with 'scrolloff' context.
- if (wp->w_topline > 1) {
+ if (wp->w_topline > 1 || wp->w_skipcol > 0) {
// If the cursor is above topline, scrolling is always needed.
// If the cursor is far below topline and there is no folding,
// scrolling down is never needed.
@@ -186,6 +268,17 @@ void update_topline(win_T *wp)
check_topline = true;
} else if (check_top_offset()) {
check_topline = true;
+ } else if (wp->w_skipcol > 0 && wp->w_cursor.lnum == wp->w_topline) {
+ colnr_T vcol;
+
+ // 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);
+ 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;
+ }
}
}
// Check if there are more filler lines than allowed.
@@ -314,12 +407,9 @@ void update_topline(win_T *wp)
if (wp->w_topline != old_topline
|| wp->w_topfill != old_topfill) {
dollar_vcol = -1;
- if (wp->w_skipcol != 0) {
- wp->w_skipcol = 0;
- redraw_later(wp, UPD_NOT_VALID);
- } else {
- redraw_later(wp, UPD_VALID);
- }
+ redraw_later(wp, UPD_VALID);
+ reset_skipcol(wp);
+
// May need to set w_skipcol when cursor in w_topline.
if (wp->w_cursor.lnum == wp->w_topline) {
validate_cursor();
@@ -392,7 +482,15 @@ void check_cursor_moved(win_T *wp)
|VALID_CHEIGHT|VALID_CROW|VALID_TOPLINE);
wp->w_valid_cursor = wp->w_cursor;
wp->w_valid_leftcol = wp->w_leftcol;
+ wp->w_valid_skipcol = wp->w_skipcol;
wp->w_viewport_invalid = true;
+ } else if (wp->w_skipcol != wp->w_valid_skipcol) {
+ wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL
+ |VALID_CHEIGHT|VALID_CROW
+ |VALID_BOTLINE|VALID_BOTLINE_AP);
+ wp->w_valid_cursor = wp->w_cursor;
+ wp->w_valid_leftcol = wp->w_leftcol;
+ wp->w_valid_skipcol = wp->w_skipcol;
} else if (wp->w_cursor.col != wp->w_valid_cursor.col
|| wp->w_leftcol != wp->w_valid_leftcol
|| wp->w_cursor.coladd !=
@@ -564,7 +662,7 @@ static void curs_rows(win_T *wp)
} else {
linenr_T last = lnum;
bool folded;
- int n = plines_win_full(wp, lnum, &last, &folded, false);
+ int n = plines_correct_topline(wp, lnum, &last, &folded);
lnum = last + 1;
if (folded && lnum > wp->w_cursor.lnum) {
break;
@@ -581,7 +679,7 @@ static void curs_rows(win_T *wp)
&& (!wp->w_lines[i].wl_valid
|| wp->w_lines[i].wl_lnum != wp->w_cursor.lnum))) {
wp->w_cline_height = plines_win_full(wp, wp->w_cursor.lnum, NULL,
- &wp->w_cline_folded, true);
+ &wp->w_cline_folded, true, true);
} else if (i > wp->w_lines_valid) {
// a line that is too long to fit on the last screen line
wp->w_cline_height = 0;
@@ -628,7 +726,7 @@ void validate_cheight(void)
curwin->w_cline_height = plines_win_full(curwin, curwin->w_cursor.lnum,
NULL, &curwin->w_cline_folded,
- true);
+ true, true);
curwin->w_valid |= VALID_CHEIGHT;
}
@@ -679,8 +777,8 @@ int curwin_col_off(void)
}
// Return the difference in column offset for the second screen line of a
-// wrapped line. It's 8 if 'number' or 'relativenumber' is on and 'n' is in
-// 'cpoptions'.
+// wrapped line. It's positive if 'number' or 'relativenumber' is on and 'n'
+// is in 'cpoptions'.
int win_col_off2(win_T *wp)
{
if ((wp->w_p_nu || wp->w_p_rnu) && vim_strchr(p_cpo, CPO_NUMCOL) != NULL) {
@@ -694,19 +792,14 @@ int curwin_col_off2(void)
return win_col_off2(curwin);
}
-// Compute curwin->w_wcol and curwin->w_virtcol.
-// Also updates curwin->w_wrow and curwin->w_cline_row.
-// Also updates curwin->w_leftcol.
+// Compute wp->w_wcol and wp->w_virtcol.
+// Also updates wp->w_wrow and wp->w_cline_row.
+// Also updates wp->w_leftcol.
// @param may_scroll when true, may scroll horizontally
void curs_columns(win_T *wp, int may_scroll)
{
- int n;
- int width = 0;
colnr_T startcol;
colnr_T endcol;
- colnr_T prev_skipcol;
- long so = get_scrolloff_value(wp);
- long siso = get_sidescrolloff_value(wp);
// First make sure that w_topline is valid (after moving the cursor).
update_topline(wp);
@@ -736,8 +829,11 @@ void curs_columns(win_T *wp, int may_scroll)
// Now compute w_wrow, counting screen lines from w_cline_row.
wp->w_wrow = wp->w_cline_row;
- int textwidth = wp->w_width_inner - extra;
- if (textwidth <= 0) {
+ int n;
+ int width1 = wp->w_width_inner - extra; // text width for first screen line
+ int width2 = 0; // text width for second and later screen line
+ bool did_sub_skipcol = false;
+ if (width1 <= 0) {
// No room for text, put cursor in last char of window.
// If not wrapping, the last non-empty line.
wp->w_wcol = wp->w_width_inner - 1;
@@ -747,13 +843,28 @@ void curs_columns(win_T *wp, int may_scroll)
wp->w_wrow = wp->w_height_inner - 1 - wp->w_empty_rows;
}
} else if (wp->w_p_wrap && wp->w_width_inner != 0) {
- width = textwidth + win_col_off2(wp);
+ width2 = width1 + win_col_off2(wp);
+
+ // skip columns that are not visible
+ if (wp->w_cursor.lnum == wp->w_topline
+ && wp->w_skipcol > 0
+ && wp->w_wcol >= wp->w_skipcol) {
+ // Deduct by multiples of width2. This allows the long line wrapping
+ // formula below to correctly calculate the w_wcol value when wrapping.
+ if (wp->w_skipcol <= width1) {
+ wp->w_wcol -= width2;
+ } else {
+ wp->w_wcol -= width2 * (((wp->w_skipcol - width1) / width2) + 1);
+ }
+
+ did_sub_skipcol = true;
+ }
// long line wrapping, adjust wp->w_wrow
if (wp->w_wcol >= wp->w_width_inner) {
// this same formula is used in validate_cursor_col()
- n = (wp->w_wcol - wp->w_width_inner) / width + 1;
- wp->w_wcol -= n * width;
+ n = (wp->w_wcol - wp->w_width_inner) / width2 + 1;
+ wp->w_wcol -= n * width2;
wp->w_wrow += n;
// When cursor wraps to first char of next line in Insert
@@ -775,6 +886,7 @@ void curs_columns(win_T *wp, int may_scroll)
// If Cursor is right of the screen, scroll leftwards
// If we get closer to the edge than 'sidescrolloff', scroll a little
// extra
+ long siso = get_sidescrolloff_value(wp);
assert(siso <= INT_MAX);
int off_left = startcol - wp->w_leftcol - (int)siso;
int off_right =
@@ -785,8 +897,8 @@ void curs_columns(win_T *wp, int may_scroll)
// When far off or not enough room on either side, put cursor in
// middle of window.
int new_leftcol;
- if (p_ss == 0 || diff >= textwidth / 2 || off_right >= off_left) {
- new_leftcol = wp->w_wcol - extra - textwidth / 2;
+ if (p_ss == 0 || diff >= width1 / 2 || off_right >= off_left) {
+ new_leftcol = curwin->w_wcol - extra - width1 / 2;
} else {
if (diff < p_ss) {
assert(p_ss <= INT_MAX);
@@ -823,9 +935,9 @@ void curs_columns(win_T *wp, int may_scroll)
wp->w_wrow += win_get_fill(wp, wp->w_cursor.lnum);
}
- prev_skipcol = wp->w_skipcol;
-
int plines = 0;
+ long so = get_scrolloff_value(wp);
+ colnr_T prev_skipcol = wp->w_skipcol;
if ((wp->w_wrow >= wp->w_height_inner
|| ((prev_skipcol > 0
|| wp->w_wrow + so >= wp->w_height_inner)
@@ -833,7 +945,7 @@ void curs_columns(win_T *wp, int may_scroll)
>= wp->w_height_inner))
&& wp->w_height_inner != 0
&& wp->w_cursor.lnum == wp->w_topline
- && width > 0
+ && width2 > 0
&& wp->w_width_inner != 0) {
// Cursor past end of screen. Happens with a single line that does
// not fit on screen. Find a skipcol to show the text around the
@@ -842,7 +954,7 @@ void curs_columns(win_T *wp, int may_scroll)
// 2: Less than "p_so" lines below
// 3: both of them
extra = 0;
- if (wp->w_skipcol + so * width > wp->w_virtcol) {
+ if (wp->w_skipcol + so * width2 > wp->w_virtcol) {
extra = 1;
}
// Compute last display line of the buffer line that we want at the
@@ -857,13 +969,13 @@ void curs_columns(win_T *wp, int may_scroll)
} else {
n = plines;
}
- if ((colnr_T)n >= wp->w_height_inner + wp->w_skipcol / width - so) {
+ if ((colnr_T)n >= wp->w_height_inner + wp->w_skipcol / width2 - so) {
extra += 2;
}
- if (extra == 3 || plines <= so * 2) {
+ if (extra == 3 || wp->w_height_inner <= so * 2) {
// not enough room for 'scrolloff', put cursor in the middle
- n = wp->w_virtcol / width;
+ n = wp->w_virtcol / width2;
if (n > wp->w_height_inner / 2) {
n -= wp->w_height_inner / 2;
} else {
@@ -873,51 +985,58 @@ void curs_columns(win_T *wp, int may_scroll)
if (n > plines - wp->w_height_inner + 1) {
n = plines - wp->w_height_inner + 1;
}
- wp->w_skipcol = n * width;
+ wp->w_skipcol = n * width2;
} else if (extra == 1) {
// less than 'scrolloff' lines above, decrease skipcol
assert(so <= INT_MAX);
- extra = (wp->w_skipcol + (int)so * width - wp->w_virtcol
- + width - 1) / width;
+ extra = (wp->w_skipcol + (int)so * width2 - wp->w_virtcol + width2 - 1) / width2;
if (extra > 0) {
- if ((colnr_T)(extra * width) > wp->w_skipcol) {
- extra = wp->w_skipcol / width;
+ if ((colnr_T)(extra * width2) > wp->w_skipcol) {
+ extra = wp->w_skipcol / width2;
}
- wp->w_skipcol -= extra * width;
+ wp->w_skipcol -= extra * width2;
}
} else if (extra == 2) {
// less than 'scrolloff' lines below, increase skipcol
- endcol = (n - wp->w_height_inner + 1) * width;
+ endcol = (n - wp->w_height_inner + 1) * width2;
while (endcol > wp->w_virtcol) {
- endcol -= width;
+ endcol -= width2;
}
if (endcol > wp->w_skipcol) {
wp->w_skipcol = endcol;
}
}
- wp->w_wrow -= wp->w_skipcol / width;
+ // adjust w_wrow for the changed w_skipcol
+ if (did_sub_skipcol) {
+ wp->w_wrow -= (wp->w_skipcol - prev_skipcol) / width2;
+ } else {
+ wp->w_wrow -= wp->w_skipcol / width2;
+ }
+
if (wp->w_wrow >= wp->w_height_inner) {
// small window, make sure cursor is in it
extra = wp->w_wrow - wp->w_height_inner + 1;
- wp->w_skipcol += extra * width;
+ wp->w_skipcol += extra * width2;
wp->w_wrow -= extra;
}
// extra could be either positive or negative
- extra = ((int)prev_skipcol - (int)wp->w_skipcol) / width;
+ extra = (prev_skipcol - wp->w_skipcol) / width2;
win_scroll_lines(wp, 0, extra);
- } else {
+ } else if (!wp->w_p_sms) {
wp->w_skipcol = 0;
}
if (prev_skipcol != wp->w_skipcol) {
- redraw_later(wp, UPD_NOT_VALID);
+ redraw_later(wp, UPD_SOME_VALID);
}
- redraw_for_cursorcolumn(curwin);
+ redraw_for_cursorcolumn(wp);
- // now w_leftcol is valid, avoid check_cursor_moved() thinking otherwise
+ // now w_leftcol and w_skipcol are valid, avoid check_cursor_moved()
+ // thinking otherwise
wp->w_valid_leftcol = wp->w_leftcol;
+ wp->w_valid_skipcol = wp->w_skipcol;
wp->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL;
}
@@ -1064,32 +1183,69 @@ void f_virtcol2col(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
bool scrolldown(long line_count, int byfold)
{
int done = 0; // total # of physical lines done
+ int width1 = 0;
+ int width2 = 0;
+ bool do_sms = curwin->w_p_wrap && curwin->w_p_sms;
+
+ if (do_sms) {
+ width1 = curwin->w_width_inner - curwin_col_off();
+ width2 = width1 + curwin_col_off2();
+ }
// Make sure w_topline is at the first of a sequence of folded lines.
(void)hasFolding(curwin->w_topline, &curwin->w_topline, NULL);
validate_cursor(); // w_wrow needs to be valid
- while (line_count-- > 0) {
+ for (long todo = line_count; todo > 0; todo--) {
if (curwin->w_topfill < win_get_fill(curwin, curwin->w_topline)
&& curwin->w_topfill < curwin->w_height_inner - 1) {
curwin->w_topfill++;
done++;
} else {
- if (curwin->w_topline == 1) {
+ // break when at the very top
+ if (curwin->w_topline == 1 && (!do_sms || curwin->w_skipcol < width1)) {
break;
}
- curwin->w_topline--;
- curwin->w_topfill = 0;
- // A sequence of folded lines only counts for one logical line
- linenr_T first;
- if (hasFolding(curwin->w_topline, &first, NULL)) {
- done++;
- if (!byfold) {
- line_count -= curwin->w_topline - first - 1;
+ if (do_sms && curwin->w_skipcol >= width1) {
+ // scroll a screen line down
+ if (curwin->w_skipcol >= width1 + width2) {
+ curwin->w_skipcol -= width2;
+ } else {
+ curwin->w_skipcol -= width1;
}
- curwin->w_botline -= curwin->w_topline - first;
- curwin->w_topline = first;
+ redraw_later(curwin, UPD_NOT_VALID);
+ done++;
} else {
- done += plines_win_nofill(curwin, curwin->w_topline, true);
+ // scroll a text line down
+ curwin->w_topline--;
+ curwin->w_skipcol = 0;
+ curwin->w_topfill = 0;
+ // A sequence of folded lines only counts for one logical line
+ linenr_T first;
+ if (hasFolding(curwin->w_topline, &first, NULL)) {
+ done++;
+ if (!byfold) {
+ todo -= curwin->w_topline - first - 1;
+ }
+ curwin->w_botline -= curwin->w_topline - first;
+ curwin->w_topline = first;
+ } else {
+ if (do_sms) {
+ int size = (int)win_linetabsize(curwin, curwin->w_topline,
+ ml_get(curwin->w_topline), (colnr_T)MAXCOL);
+ if (size > width1) {
+ curwin->w_skipcol = width1;
+ size -= width1;
+ redraw_later(curwin, UPD_NOT_VALID);
+ }
+ while (size > width2) {
+ curwin->w_skipcol += width2;
+ size -= width2;
+ }
+ done++;
+ } else {
+ done += plines_win_nofill(curwin, curwin->w_topline, true);
+ }
+ }
}
}
curwin->w_botline--; // approximate w_botline
@@ -1134,9 +1290,39 @@ bool scrolldown(long line_count, int byfold)
foldAdjustCursor();
coladvance(curwin->w_curswant);
}
+
+ if (curwin->w_cursor.lnum == curwin->w_topline && do_sms) {
+ long so = get_scrolloff_value(curwin);
+ long scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2;
+
+ // make sure the cursor is in the visible text
+ validate_virtcol();
+ long col = curwin->w_virtcol - curwin->w_skipcol + scrolloff_cols;
+ int row = 0;
+ if (col >= width1) {
+ col -= width1;
+ row++;
+ }
+ if (col > width2 && width2 > 0) {
+ row += (int)col / width2;
+ col = col % width2;
+ }
+ if (row >= curwin->w_height_inner) {
+ curwin->w_curswant = curwin->w_virtcol - (row - curwin->w_height_inner + 1) * width2;
+ coladvance(curwin->w_curswant);
+ }
+ }
return moved;
}
+/// Return TRUE if scrollup() will scroll by screen line rather than text line.
+static int scrolling_screenlines(bool byfold)
+{
+ return (curwin->w_p_wrap && curwin->w_p_sms)
+ || (byfold && hasAnyFolding(curwin))
+ || (curwin->w_p_diff && !curwin->w_p_wrap);
+}
+
/// Scroll the current window up by "line_count" logical lines. "CTRL-E"
///
/// @param line_count number of lines to scroll
@@ -1145,28 +1331,68 @@ bool scrollup(long line_count, int byfold)
{
linenr_T topline = curwin->w_topline;
linenr_T botline = curwin->w_botline;
+ int do_sms = curwin->w_p_wrap && curwin->w_p_sms;
+
+ if (scrolling_screenlines(byfold) || win_may_fill(curwin)) {
+ int width1 = curwin->w_width_inner - curwin_col_off();
+ int width2 = width1 + curwin_col_off2();
+ unsigned size = 0;
+ linenr_T prev_topline = curwin->w_topline;
+
+ if (do_sms) {
+ size = linetabsize(curwin, curwin->w_topline);
+ }
- if ((byfold && hasAnyFolding(curwin))
- || win_may_fill(curwin)) {
- // count each sequence of folded lines as one logical line
- linenr_T lnum = curwin->w_topline;
- while (line_count--) {
+ // diff mode: first consume "topfill"
+ // 'smoothscroll': increase "w_skipcol" until it goes over the end of
+ // the line, then advance to the next line.
+ // folding: count each sequence of folded lines as one logical line.
+ for (long todo = line_count; todo > 0; todo--) {
if (curwin->w_topfill > 0) {
curwin->w_topfill--;
} else {
+ linenr_T lnum = curwin->w_topline;
if (byfold) {
+ // for a closed fold: go to the last line in the fold
(void)hasFolding(lnum, NULL, &lnum);
}
- if (lnum >= curbuf->b_ml.ml_line_count) {
- break;
+ if (lnum == curwin->w_topline && do_sms) {
+ // 'smoothscroll': increase "w_skipcol" until it goes over
+ // the end of the line, then advance to the next line.
+ int add = curwin->w_skipcol > 0 ? width2 : width1;
+ curwin->w_skipcol += add;
+ if ((unsigned)curwin->w_skipcol >= size) {
+ if (lnum == curbuf->b_ml.ml_line_count) {
+ // at the last screen line, can't scroll further
+ curwin->w_skipcol -= add;
+ break;
+ }
+ lnum++;
+ }
+ } else {
+ if (lnum >= curbuf->b_ml.ml_line_count) {
+ break;
+ }
+ lnum++;
+ }
+
+ if (lnum > curwin->w_topline) {
+ // approximate w_botline
+ curwin->w_botline += lnum - curwin->w_topline;
+ curwin->w_topline = lnum;
+ curwin->w_topfill = win_get_fill(curwin, lnum);
+ curwin->w_skipcol = 0;
+ if (todo > 1 && do_sms) {
+ size = linetabsize(curwin, curwin->w_topline);
+ }
}
- lnum++;
- curwin->w_topfill = win_get_fill(curwin, lnum);
}
}
- // approximate w_botline
- curwin->w_botline += lnum - curwin->w_topline;
- curwin->w_topline = lnum;
+
+ if (curwin->w_topline == prev_topline) {
+ // need to redraw even though w_topline didn't change
+ redraw_later(curwin, UPD_NOT_VALID);
+ }
} else {
curwin->w_topline += (linenr_T)line_count;
curwin->w_botline += (linenr_T)line_count; // approximate w_botline
@@ -1194,12 +1420,117 @@ bool scrollup(long line_count, int byfold)
coladvance(curwin->w_curswant);
}
- bool moved = topline != curwin->w_topline
- || botline != curwin->w_botline;
+ if (curwin->w_cursor.lnum == curwin->w_topline && do_sms && curwin->w_skipcol > 0) {
+ int col_off = curwin_col_off();
+ int col_off2 = curwin_col_off2();
+
+ int width1 = curwin->w_width_inner - 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_inner - 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.
+ if (scrolloff_cols > space_cols / 2) {
+ scrolloff_cols = space_cols / 2;
+ }
+ validate_virtcol();
+ 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 + smoothscroll_overlap + scrolloff_cols) {
+ col += width2;
+ }
+ curwin->w_curswant = col;
+ coladvance(curwin->w_curswant);
+
+ // validate_virtcol() marked various things as valid, but after
+ // moving the cursor they need to be recomputed
+ curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL);
+ }
+ }
+
+ bool moved = topline != curwin->w_topline || botline != curwin->w_botline;
return moved;
}
+/// Called after changing the cursor column: make sure that curwin->w_skipcol is
+/// valid for 'smoothscroll'.
+void adjust_skipcol(void)
+{
+ if (!curwin->w_p_wrap || !curwin->w_p_sms || curwin->w_cursor.lnum != curwin->w_topline) {
+ return;
+ }
+
+ int width1 = curwin->w_width_inner - curwin_col_off();
+ if (width1 <= 0) {
+ return; // no text will be displayed
+ }
+ int width2 = width1 + curwin_col_off2();
+ long so = get_scrolloff_value(curwin);
+ long scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2;
+ bool scrolled = false;
+
+ validate_cheight();
+ if (curwin->w_cline_height == curwin->w_height_inner
+ // w_cline_height may be capped at w_height_inner, check there aren't
+ // actually more lines.
+ && plines_win(curwin, curwin->w_cursor.lnum, false) <= curwin->w_height_inner) {
+ // the line just fits in the window, don't scroll
+ reset_skipcol(curwin);
+ return;
+ }
+
+ validate_virtcol();
+ while (curwin->w_skipcol > 0
+ && curwin->w_virtcol < curwin->w_skipcol + 3 + scrolloff_cols) {
+ // scroll a screen line down
+ if (curwin->w_skipcol >= width1 + width2) {
+ curwin->w_skipcol -= width2;
+ } else {
+ curwin->w_skipcol -= width1;
+ }
+ redraw_later(curwin, UPD_NOT_VALID);
+ scrolled = true;
+ validate_virtcol();
+ }
+ if (scrolled) {
+ return; // don't scroll in the other direction now
+ }
+ long col = curwin->w_virtcol - curwin->w_skipcol + scrolloff_cols;
+ int row = 0;
+ if (col >= width1) {
+ col -= width1;
+ row++;
+ }
+ if (col > width2) {
+ row += (int)col / width2;
+ col = col % width2;
+ }
+ if (row >= curwin->w_height_inner) {
+ if (curwin->w_skipcol == 0) {
+ curwin->w_skipcol += width1;
+ row--;
+ }
+ if (row >= curwin->w_height_inner) {
+ curwin->w_skipcol += (row - curwin->w_height_inner) * width2;
+ }
+ redraw_later(curwin, UPD_NOT_VALID);
+ }
+}
+
/// Don't end up with too many filler lines in the window.
///
/// @param down when true scroll down when not enough space
@@ -1316,7 +1647,8 @@ void scrollup_clamp(void)
// a (wrapped) text line. Uses and sets "lp->fill".
// Returns the height of the added line in "lp->height".
// Lines above the first one are incredibly high: MAXCOL.
-static void topline_back(win_T *wp, lineoff_T *lp)
+// When "winheight" is true limit to window height.
+static void topline_back_winheight(win_T *wp, lineoff_T *lp, int winheight)
{
if (lp->fill < win_get_fill(wp, lp->lnum)) {
// Add a filler line
@@ -1331,11 +1663,16 @@ static void topline_back(win_T *wp, lineoff_T *lp)
// Add a closed fold
lp->height = 1;
} else {
- lp->height = plines_win_nofill(wp, lp->lnum, true);
+ lp->height = plines_win_nofill(wp, lp->lnum, winheight);
}
}
}
+static void topline_back(win_T *wp, lineoff_T *lp)
+{
+ topline_back_winheight(wp, lp, true);
+}
+
// Add one line below "lp->lnum". This can be a filler line, a closed fold or
// a (wrapped) text line. Uses and sets "lp->fill".
// Returns the height of the added line in "lp->height".
@@ -1388,12 +1725,9 @@ static void topline_botline(lineoff_T *lp)
// If "always" is true, always set topline (for "zt").
void scroll_cursor_top(int min_scroll, int always)
{
- int scrolled = 0;
- linenr_T top; // just above displayed lines
- linenr_T bot; // just below displayed lines
linenr_T old_topline = curwin->w_topline;
+ int old_skipcol = curwin->w_skipcol;
linenr_T old_topfill = curwin->w_topfill;
- linenr_T new_topline;
int off = (int)get_scrolloff_value(curwin);
if (mouse_dragging > 0) {
@@ -1406,11 +1740,14 @@ void scroll_cursor_top(int min_scroll, int always)
// - moved at least 'scrolljump' lines and
// - at least 'scrolloff' lines above and below the cursor
validate_cheight();
+ int scrolled = 0;
int used = curwin->w_cline_height; // includes filler lines above
if (curwin->w_cursor.lnum < curwin->w_topline) {
scrolled = used;
}
+ linenr_T top; // just above displayed lines
+ linenr_T bot; // just below displayed lines
if (hasFolding(curwin->w_cursor.lnum, &top, &bot)) {
top--;
bot++;
@@ -1418,7 +1755,7 @@ void scroll_cursor_top(int min_scroll, int always)
top = curwin->w_cursor.lnum - 1;
bot = curwin->w_cursor.lnum + 1;
}
- new_topline = top + 1;
+ linenr_T new_topline = top + 1;
// "used" already contains the number of filler lines above, don't add it
// again.
@@ -1431,6 +1768,15 @@ void scroll_cursor_top(int min_scroll, int always)
int i = hasFolding(top, &top, NULL)
? 1 // count one logical line for a sequence of folded lines
: plines_win_nofill(curwin, top, true);
+ if (top < curwin->w_topline) {
+ scrolled += i;
+ }
+
+ // If scrolling is needed, scroll at least 'sj' lines.
+ if ((new_topline >= curwin->w_topline || scrolled > min_scroll) && extra >= off) {
+ break;
+ }
+
used += i;
if (extra + i <= off && bot < curbuf->b_ml.ml_line_count) {
if (hasFolding(bot, NULL, &bot)) {
@@ -1443,15 +1789,6 @@ void scroll_cursor_top(int min_scroll, int always)
if (used > curwin->w_height_inner) {
break;
}
- if (top < curwin->w_topline) {
- scrolled += i;
- }
-
- // If scrolling is needed, scroll at least 'sj' lines.
- if ((new_topline >= curwin->w_topline || scrolled > min_scroll)
- && extra >= off) {
- break;
- }
extra += i;
new_topline = top;
@@ -1466,7 +1803,7 @@ void scroll_cursor_top(int min_scroll, int always)
scroll_cursor_halfway(false, false);
} else {
// If "always" is false, only adjust topline to a lower value, higher
- // value may happen with wrapping lines
+ // value may happen with wrapping lines.
if (new_topline < curwin->w_topline || always) {
curwin->w_topline = new_topline;
}
@@ -1481,7 +1818,13 @@ void scroll_cursor_top(int min_scroll, int always)
}
}
check_topfill(curwin, false);
+ // TODO(vim): if the line doesn't fit may optimize w_skipcol
+ if (curwin->w_topline == curwin->w_cursor.lnum
+ && curwin->w_skipcol >= curwin->w_cursor.col) {
+ reset_skipcol(curwin);
+ }
if (curwin->w_topline != old_topline
+ || curwin->w_skipcol != old_skipcol
|| curwin->w_topfill != old_topfill) {
curwin->w_valid &=
~(VALID_WROW|VALID_CROW|VALID_BOTLINE|VALID_BOTLINE_AP);
@@ -1519,20 +1862,18 @@ void set_empty_rows(win_T *wp, int used)
void scroll_cursor_bot(int min_scroll, int set_topbot)
{
int used;
- int scrolled = 0;
- int extra = 0;
lineoff_T loff;
- lineoff_T boff;
- int fill_below_window;
- linenr_T old_topline = curwin->w_topline;
- int old_topfill = curwin->w_topfill;
- linenr_T old_botline = curwin->w_botline;
- int old_valid = curwin->w_valid;
+ linenr_T old_topline = curwin->w_topline;
+ int old_skipcol = curwin->w_skipcol;
+ int old_topfill = curwin->w_topfill;
+ linenr_T old_botline = curwin->w_botline;
+ int old_valid = curwin->w_valid;
int old_empty_rows = curwin->w_empty_rows;
- linenr_T cln = curwin->w_cursor.lnum; // Cursor Line Number
- long so = get_scrolloff_value(curwin);
+ linenr_T cln = curwin->w_cursor.lnum; // Cursor Line Number
if (set_topbot) {
+ bool set_skipcol = false;
+
used = 0;
curwin->w_botline = cln + 1;
loff.fill = 0;
@@ -1540,9 +1881,24 @@ void scroll_cursor_bot(int min_scroll, int set_topbot)
curwin->w_topline > 1;
curwin->w_topline = loff.lnum) {
loff.lnum = curwin->w_topline;
- topline_back(curwin, &loff);
- if (loff.height == MAXCOL
- || used + loff.height > curwin->w_height_inner) {
+ topline_back_winheight(curwin, &loff, false);
+ if (loff.height == MAXCOL) {
+ break;
+ }
+ if (used + loff.height > curwin->w_height_inner) {
+ if (curwin->w_p_sms && curwin->w_p_wrap) {
+ // 'smoothscroll' and 'wrap' are set. The above line is
+ // too long to show in its entirety, so we show just a part
+ // of it.
+ if (used < curwin->w_height_inner) {
+ int plines_offset = used + loff.height - curwin->w_height_inner;
+ used = curwin->w_height_inner;
+ curwin->w_topfill = loff.fill;
+ curwin->w_topline = loff.lnum;
+ curwin->w_skipcol = skipcol_from_plines(curwin, plines_offset);
+ set_skipcol = true;
+ }
+ }
break;
}
used += loff.height;
@@ -1551,8 +1907,15 @@ void scroll_cursor_bot(int min_scroll, int set_topbot)
set_empty_rows(curwin, used);
curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
if (curwin->w_topline != old_topline
- || curwin->w_topfill != old_topfill) {
+ || curwin->w_topfill != old_topfill
+ || set_skipcol
+ || curwin->w_skipcol != 0) {
curwin->w_valid &= ~(VALID_WROW|VALID_CROW);
+ if (set_skipcol) {
+ redraw_later(curwin, UPD_NOT_VALID);
+ } else {
+ reset_skipcol(curwin);
+ }
}
} else {
validate_botline(curwin);
@@ -1561,16 +1924,50 @@ void scroll_cursor_bot(int min_scroll, int set_topbot)
// The lines of the cursor line itself are always used.
used = plines_win_nofill(curwin, cln, true);
- // If the cursor is below botline, we will at least scroll by the height
- // of the cursor line. Correct for empty lines, which are really part of
- // botline.
+ int scrolled = 0;
+ int min_scrolled = 1;
+ // If the cursor is on or below botline, we will at least scroll by the
+ // height of the cursor line, which is "used". Correct for empty lines,
+ // which are really part of botline.
if (cln >= curwin->w_botline) {
scrolled = used;
if (cln == curwin->w_botline) {
scrolled -= curwin->w_empty_rows;
}
+ min_scrolled = scrolled;
+ if (curwin->w_p_sms && curwin->w_p_wrap) {
+ // 'smoothscroll' and 'wrap' are set
+ if (cln > curwin->w_botline) {
+ // add screen lines below w_botline
+ for (linenr_T lnum = curwin->w_botline + 1; lnum <= cln; lnum++) {
+ min_scrolled += plines_win_nofill(curwin, lnum, true);
+ }
+ }
+
+ // Calculate how many screen lines the current top line of window
+ // occupies. If it is occupying more than the entire window, we
+ // need to scroll the additional clipped lines to scroll past the
+ // top line before we can move on to the other lines.
+ int top_plines = plines_win_nofill(curwin, curwin->w_topline, false);
+ int skip_lines = 0;
+ int width1 = curwin->w_width_inner - curwin_col_off();
+ int width2 = width1 + curwin_col_off2();
+ // similar formula is used in curs_columns()
+ if (curwin->w_skipcol > width1) {
+ skip_lines += (curwin->w_skipcol - width1) / width2 + 1;
+ } else if (curwin->w_skipcol > 0) {
+ skip_lines = 1;
+ }
+
+ top_plines -= skip_lines;
+ if (top_plines > curwin->w_height_inner) {
+ scrolled += (top_plines - curwin->w_height_inner);
+ min_scrolled += (top_plines - curwin->w_height_inner);
+ }
+ }
}
+ lineoff_T boff;
// Stop counting lines to scroll when
// - hitting start of the file
// - scrolled nothing or at least 'sj' lines
@@ -1582,9 +1979,10 @@ void scroll_cursor_bot(int min_scroll, int set_topbot)
}
loff.fill = 0;
boff.fill = 0;
- fill_below_window = win_get_fill(curwin, curwin->w_botline)
- - curwin->w_filler_rows;
+ int fill_below_window = win_get_fill(curwin, curwin->w_botline) - curwin->w_filler_rows;
+ int extra = 0;
+ long so = get_scrolloff_value(curwin);
while (loff.lnum > 1) {
// Stop when scrolled nothing or at least "min_scroll", found "extra"
// context for 'scrolloff' and counted all lines below the window.
@@ -1670,13 +2068,27 @@ void scroll_cursor_bot(int min_scroll, int set_topbot)
if (line_count >= curwin->w_height_inner && line_count > min_scroll) {
scroll_cursor_halfway(false, true);
} else {
- scrollup(line_count, true);
+ // With 'smoothscroll' scroll at least the height of the cursor line,
+ // unless it would move the cursor.
+ if (curwin->w_p_wrap && curwin->w_p_sms && line_count < min_scrolled
+ && (curwin->w_cursor.lnum < curwin->w_topline
+ || (curwin->w_virtcol - curwin->w_skipcol >=
+ curwin->w_width_inner - curwin_col_off()))) {
+ line_count = min_scrolled;
+ }
+ if (line_count > 0) {
+ if (scrolling_screenlines(true)) {
+ scrollup(scrolled, true); // TODO(vim):
+ } else {
+ scrollup(line_count, true);
+ }
+ }
}
// If topline didn't change we need to restore w_botline and w_empty_rows
// (we changed them).
// If topline did change, update_screen() will set botline.
- if (curwin->w_topline == old_topline && set_topbot) {
+ if (curwin->w_topline == old_topline && curwin->w_skipcol == old_skipcol && set_topbot) {
curwin->w_botline = old_botline;
curwin->w_empty_rows = old_empty_rows;
curwin->w_valid = old_valid;
@@ -1691,27 +2103,65 @@ void scroll_cursor_bot(int min_scroll, int set_topbot)
///
void scroll_cursor_halfway(bool atend, bool prefer_above)
{
- int above = 0;
- int topfill = 0;
- int below = 0;
- lineoff_T loff;
- lineoff_T boff;
linenr_T old_topline = curwin->w_topline;
-
- loff.lnum = boff.lnum = curwin->w_cursor.lnum;
+ lineoff_T loff = { .lnum = curwin->w_cursor.lnum };
+ lineoff_T boff = { .lnum = curwin->w_cursor.lnum };
(void)hasFolding(loff.lnum, &loff.lnum, &boff.lnum);
int used = plines_win_nofill(curwin, loff.lnum, true);
loff.fill = 0;
boff.fill = 0;
linenr_T topline = loff.lnum;
+ colnr_T skipcol = 0;
+ bool set_skipcol = false;
+
+ int half_height = 0;
+ bool smooth_scroll = false;
+ if (curwin->w_p_sms && curwin->w_p_wrap) {
+ // 'smoothscroll' and 'wrap' are set
+ smooth_scroll = true;
+ half_height = (curwin->w_height_inner - used) / 2;
+ used = 0;
+ }
+ int topfill = 0;
while (topline > 1) {
+ // If using smoothscroll, we can precisely scroll to the
+ // exact point where the cursor is halfway down the screen.
+ if (smooth_scroll) {
+ topline_back_winheight(curwin, &loff, false);
+ if (loff.height == MAXCOL) {
+ break;
+ } else {
+ used += loff.height;
+ }
+ if (used > half_height) {
+ if (used - loff.height < half_height) {
+ int plines_offset = used - half_height;
+ loff.height -= plines_offset;
+ used = half_height;
+
+ topline = loff.lnum;
+ topfill = loff.fill;
+ skipcol = skipcol_from_plines(curwin, plines_offset);
+ set_skipcol = true;
+ }
+ break;
+ }
+ topline = loff.lnum;
+ topfill = loff.fill;
+ continue;
+ }
+
+ // If not using smoothscroll, we have to iteratively find how many
+ // lines to scroll down to roughly fit the cursor.
// This may not be right in the middle if the lines'
// physical height > 1 (e.g. 'wrap' is on).
// Depending on "prefer_above" we add a line above or below first.
// Loop twice to avoid duplicating code.
bool done = false;
+ int above = 0;
+ int below = 0;
for (int round = 1; round <= 2; round++) {
if (prefer_above
? (round == 2 && below < above)
@@ -1757,8 +2207,15 @@ void scroll_cursor_halfway(bool atend, bool prefer_above)
}
}
- if (!hasFolding(topline, &curwin->w_topline, NULL)) {
+ if (!hasFolding(topline, &curwin->w_topline, NULL)
+ && (curwin->w_topline != topline || set_skipcol || curwin->w_skipcol != 0)) {
curwin->w_topline = topline;
+ if (set_skipcol) {
+ curwin->w_skipcol = skipcol;
+ redraw_later(curwin, UPD_NOT_VALID);
+ } else {
+ reset_skipcol(curwin);
+ }
}
curwin->w_topfill = topfill;
if (old_topline > curwin->w_topline + curwin->w_height_inner) {
@@ -1809,6 +2266,16 @@ void cursor_correct(void)
return;
}
+ if (curwin->w_p_sms && !curwin->w_p_wrap) {
+ // 'smoothscroll is active
+ if (curwin->w_cline_height == curwin->w_height_inner) {
+ // The cursor line just fits in the window, don't scroll.
+ reset_skipcol(curwin);
+ return;
+ }
+ // TODO(vim): If the cursor line doesn't fit in the window then only adjust w_skipcol.
+ }
+
// Narrow down the area where the cursor can be put by taking lines from
// the top and the bottom until:
// - the desired context lines are found
@@ -1861,9 +2328,9 @@ 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/src/nvim/normal.c b/src/nvim/normal.c
index 88741e1527..e39a5e1ab7 100644
--- a/src/nvim/normal.c
+++ b/src/nvim/normal.c
@@ -2158,9 +2158,8 @@ void check_scrollbind(linenr_T topline_diff, long leftcol_diff)
}
// do the horizontal scroll
- if (want_hor && curwin->w_leftcol != tgt_leftcol) {
- curwin->w_leftcol = tgt_leftcol;
- leftcol_changed();
+ if (want_hor) {
+ (void)set_leftcol(tgt_leftcol);
}
}
@@ -2432,7 +2431,7 @@ bool find_decl(char *ptr, size_t len, bool locally, bool thisblock, int flags_ar
/// @return true if able to move cursor, false otherwise.
static bool nv_screengo(oparg_T *oap, int dir, long dist)
{
- int linelen = linetabsize(get_cursor_line_ptr());
+ int linelen = linetabsize_str(get_cursor_line_ptr());
bool retval = true;
bool atend = false;
int col_off1; // margin offset for first screen line
@@ -2494,7 +2493,7 @@ static bool nv_screengo(oparg_T *oap, int dir, long dist)
retval = false;
break;
}
- linelen = linetabsize(get_cursor_line_ptr());
+ linelen = linetabsize_str(get_cursor_line_ptr());
if (linelen > width1) {
int w = (((linelen - width1 - 1) / width2) + 1) * width2;
assert(curwin->w_curswant <= INT_MAX - w);
@@ -2525,7 +2524,7 @@ static bool nv_screengo(oparg_T *oap, int dir, long dist)
if (curwin->w_curswant >= width1) {
curwin->w_curswant -= width2;
}
- linelen = linetabsize(get_cursor_line_ptr());
+ linelen = linetabsize_str(get_cursor_line_ptr());
}
}
}
@@ -2566,6 +2565,8 @@ static bool nv_screengo(oparg_T *oap, int dir, long dist)
if (atend) {
curwin->w_curswant = MAXCOL; // stick in the last column
}
+ adjust_skipcol();
+
return retval;
}
@@ -2633,6 +2634,7 @@ static void nv_scroll_line(cmdarg_T *cap)
void scroll_redraw(int up, long count)
{
linenr_T prev_topline = curwin->w_topline;
+ int prev_skipcol = curwin->w_skipcol;
int prev_topfill = curwin->w_topfill;
linenr_T prev_lnum = curwin->w_cursor.lnum;
@@ -2640,7 +2642,7 @@ void scroll_redraw(int up, long count)
scrollup(count, true) :
scrolldown(count, true);
- if (get_scrolloff_value(curwin)) {
+ if (get_scrolloff_value(curwin) > 0) {
// Adjust the cursor position for 'scrolloff'. Mark w_topline as
// valid, otherwise the screen jumps back at the end of the file.
cursor_correct();
@@ -2651,6 +2653,7 @@ void scroll_redraw(int up, long count)
// we get stuck at one position. Don't move the cursor up if the
// first line of the buffer is already on the screen
while (curwin->w_topline == prev_topline
+ && curwin->w_skipcol == prev_skipcol
&& curwin->w_topfill == prev_topfill) {
if (up) {
if (curwin->w_cursor.lnum > prev_lnum
@@ -2890,27 +2893,21 @@ static void nv_zet(cmdarg_T *cap)
case 'h':
case K_LEFT:
if (!curwin->w_p_wrap) {
- if ((colnr_T)cap->count1 > curwin->w_leftcol) {
- curwin->w_leftcol = 0;
- } else {
- curwin->w_leftcol -= (colnr_T)cap->count1;
- }
- leftcol_changed();
+ (void)set_leftcol((colnr_T)cap->count1 > curwin->w_leftcol
+ ? 0 : curwin->w_leftcol - (colnr_T)cap->count1);
}
break;
- // "zL" - scroll screen left half-page
+ // "zL" - scroll window left half-page
case 'L':
cap->count1 *= curwin->w_width_inner / 2;
FALLTHROUGH;
- // "zl" - scroll screen to the left
+ // "zl" - scroll window to the left if not wrapping
case 'l':
case K_RIGHT:
if (!curwin->w_p_wrap) {
- // scroll the window left
- curwin->w_leftcol += (colnr_T)cap->count1;
- leftcol_changed();
+ (void)set_leftcol(curwin->w_leftcol + (colnr_T)cap->count1);
}
break;
@@ -5493,7 +5490,7 @@ static void nv_g_cmd(cmdarg_T *cap)
case 'M':
oap->motion_type = kMTCharWise;
oap->inclusive = false;
- i = linetabsize(get_cursor_line_ptr());
+ i = linetabsize_str(get_cursor_line_ptr());
if (cap->count0 > 0 && cap->count0 <= 100) {
coladvance((colnr_T)(i * cap->count0 / 100));
} else {
diff --git a/src/nvim/ops.c b/src/nvim/ops.c
index 89fe9b464d..d8380303a3 100644
--- a/src/nvim/ops.c
+++ b/src/nvim/ops.c
@@ -5503,7 +5503,7 @@ void cursor_pos_info(dict_T *dict)
validate_virtcol();
col_print(buf1, sizeof(buf1), (int)curwin->w_cursor.col + 1,
(int)curwin->w_virtcol + 1);
- col_print(buf2, sizeof(buf2), (int)strlen(p), linetabsize(p));
+ col_print(buf2, sizeof(buf2), (int)strlen(p), linetabsize_str(p));
if (char_count_cursor == byte_count_cursor
&& char_count == byte_count) {
diff --git a/src/nvim/option.c b/src/nvim/option.c
index 3264d80a2f..a977fc4f86 100644
--- a/src/nvim/option.c
+++ b/src/nvim/option.c
@@ -2621,6 +2621,19 @@ static const char *did_set_showtabline(optset_T *args FUNC_ATTR_UNUSED)
return NULL;
}
+/// Process the updated 'smoothscroll' option value.
+static const char *did_set_smoothscroll(optset_T *args FUNC_ATTR_UNUSED)
+{
+ win_T *win = (win_T *)args->os_win;
+ if (win->w_p_sms) {
+ return NULL;
+ }
+
+ win->w_skipcol = 0;
+ changed_line_abv_curs_win(win);
+ return NULL;
+}
+
/// Process the new 'foldlevel' option value.
static const char *did_set_foldlevel(optset_T *args FUNC_ATTR_UNUSED)
{
@@ -4417,6 +4430,8 @@ static char *get_varp_from(vimoption_T *p, buf_T *buf, win_T *win)
return (char *)&(win->w_p_rlc);
case PV_SCROLL:
return (char *)&(win->w_p_scr);
+ case PV_SMS:
+ return (char *)&(win->w_p_sms);
case PV_WRAP:
return (char *)&(win->w_p_wrap);
case PV_LBR:
@@ -4648,6 +4663,7 @@ void copy_winopt(winopt_T *from, winopt_T *to)
to->wo_briopt = copy_option_val(from->wo_briopt);
to->wo_scb = from->wo_scb;
to->wo_scb_save = from->wo_scb_save;
+ to->wo_sms = from->wo_sms;
to->wo_crb = from->wo_crb;
to->wo_crb_save = from->wo_crb_save;
to->wo_spell = from->wo_spell;
diff --git a/src/nvim/option_defs.h b/src/nvim/option_defs.h
index 40e77550aa..944cc583b3 100644
--- a/src/nvim/option_defs.h
+++ b/src/nvim/option_defs.h
@@ -949,6 +949,7 @@ enum {
WV_RLC,
WV_SCBIND,
WV_SCROLL,
+ WV_SMS,
WV_SISO,
WV_SO,
WV_SPELL,
diff --git a/src/nvim/options.lua b/src/nvim/options.lua
index e028fbb6a6..c4a85969c0 100644
--- a/src/nvim/options.lua
+++ b/src/nvim/options.lua
@@ -2012,6 +2012,15 @@ return {
defaults={if_true=0}
},
{
+ full_name='smoothscroll', abbreviation='sms',
+ short_desc=N_("scroll by screen lines when 'wrap' is set"),
+ type='bool', scope={'window'},
+ pv_name='p_sms',
+ redraw={'current_window'},
+ defaults={if_true=0},
+ cb='did_set_smoothscroll'
+ },
+ {
full_name='scrollback', abbreviation='scbk',
short_desc=N_("lines to scroll with CTRL-U and CTRL-D"),
type='number', scope={'buffer'},
diff --git a/src/nvim/plines.c b/src/nvim/plines.c
index b2a4ac710d..3e69e547cb 100644
--- a/src/nvim/plines.c
+++ b/src/nvim/plines.c
@@ -189,10 +189,11 @@ int plines_win_col(win_T *wp, linenr_T lnum, long column)
/// @param[out] nextp if not NULL, the line after a fold
/// @param[out] foldedp if not NULL, whether lnum is on a fold
/// @param[in] cache whether to use the window's cache for folds
+/// @param[in] winheight when true limit to window height
///
/// @return the total number of screen lines
int plines_win_full(win_T *wp, linenr_T lnum, linenr_T *const nextp, bool *const foldedp,
- const bool cache)
+ const bool cache, const bool winheight)
{
bool folded = hasFoldingWin(wp, lnum, NULL, nextp, cache, NULL);
if (foldedp) {
@@ -201,9 +202,9 @@ int plines_win_full(win_T *wp, linenr_T lnum, linenr_T *const nextp, bool *const
if (folded) {
return 1;
} else if (lnum == wp->w_topline) {
- return plines_win_nofill(wp, lnum, true) + wp->w_topfill;
+ return plines_win_nofill(wp, lnum, winheight) + wp->w_topfill;
}
- return plines_win(wp, lnum, true);
+ return plines_win(wp, lnum, winheight);
}
int plines_m_win(win_T *wp, linenr_T first, linenr_T last)
@@ -212,7 +213,7 @@ int plines_m_win(win_T *wp, linenr_T first, linenr_T last)
while (first <= last) {
linenr_T next = first;
- count += plines_win_full(wp, first, &next, NULL, false);
+ count += plines_win_full(wp, first, &next, NULL, false, true);
first = next + 1;
}
return count;
@@ -243,12 +244,12 @@ int win_chartabsize(win_T *wp, char *p, colnr_T col)
/// @param s
///
/// @return Number of characters the string will take on the screen.
-int linetabsize(char *s)
+int linetabsize_str(char *s)
{
return linetabsize_col(0, s);
}
-/// Like linetabsize(), but "s" starts at column "startcol".
+/// Like linetabsize_str(), but "s" starts at column "startcol".
///
/// @param startcol
/// @param s
@@ -265,7 +266,7 @@ int linetabsize_col(int startcol, char *s)
return cts.cts_vcol;
}
-/// Like linetabsize(), but for a given window instead of the current one.
+/// Like linetabsize_str(), but for a given window instead of the current one.
///
/// @param wp
/// @param line
@@ -284,6 +285,13 @@ unsigned win_linetabsize(win_T *wp, linenr_T lnum, char *line, colnr_T len)
return (unsigned)cts.cts_vcol;
}
+/// Return the number of cells line "lnum" of window "wp" will take on the
+/// screen, taking into account the size of a tab and text properties.
+unsigned linetabsize(win_T *wp, linenr_T lnum)
+{
+ return win_linetabsize(wp, lnum, ml_get_buf(wp->w_buffer, lnum, false), (colnr_T)MAXCOL);
+}
+
/// Prepare the structure passed to chartabsize functions.
///
/// "line" is the start of the line, "ptr" is the first relevant character.
diff --git a/test/functional/legacy/display_spec.lua b/test/functional/legacy/display_spec.lua
index f9b78f5dcd..4952a5c4fe 100644
--- a/test/functional/legacy/display_spec.lua
+++ b/test/functional/legacy/display_spec.lua
@@ -194,4 +194,51 @@ describe('display', function()
it('display "lastline" works correctly with multibyte fillchar', function()
run_test_display_lastline(true)
end)
+
+ -- oldtest: Test_display_long_lastline
+ it('display "lastline" shows correct text when end of wrapped line is deleted', function()
+ local screen = Screen.new(35, 14)
+ screen:attach()
+ exec([[
+ set display=lastline scrolloff=5
+ call setline(1, [
+ \'aaaaa'->repeat(100),
+ \'bbbbb '->repeat(7) .. 'ccccc '->repeat(7) .. 'ddddd '->repeat(7)
+ \])
+ ]])
+ feed('482|')
+ screen:expect([[
+ <<<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaa^aaaaaaaaa|
+ aaaaaaaaaa |
+ |
+ ]])
+ feed('D')
+ screen:expect([[
+ <<<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa|
+ aaaaaaaaaaaaaaaaaaaaaaaaa^a |
+ bbbbb bbbbb bbbbb bbbbb bbbbb bb@@@|
+ |
+ ]])
+ end)
end)
diff --git a/test/functional/legacy/scroll_opt_spec.lua b/test/functional/legacy/scroll_opt_spec.lua
new file mode 100644
index 0000000000..b00ff0bc7a
--- /dev/null
+++ b/test/functional/legacy/scroll_opt_spec.lua
@@ -0,0 +1,777 @@
+local helpers = require('test.functional.helpers')(after_each)
+local Screen = require('test.functional.ui.screen')
+local clear = helpers.clear
+local exec = helpers.exec
+local feed = helpers.feed
+
+before_each(clear)
+
+describe('smoothscroll', function()
+ local screen
+
+ before_each(function()
+ screen = Screen.new(40, 12)
+ 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([[
+ call setline(1, [ 'line one', 'word '->repeat(20), 'line three', 'long word '->repeat(7), 'line', 'line', 'line', ])
+ set smoothscroll scrolloff=5
+ :5
+ ]])
+ local s1 = [[
+ word word word word word word word word |
+ word word word word word word word word |
+ word word word word |
+ line three |
+ long word long word long word long word |
+ long word long word long word |
+ ^line |
+ line |
+ line |
+ ~ |
+ ~ |
+ |
+ ]]
+ local s2 = [[
+ <<<d word word word word word word word |
+ word word word word |
+ line three |
+ long word long word long word long word |
+ long word long word long word |
+ ^line |
+ line |
+ line |
+ ~ |
+ ~ |
+ ~ |
+ |
+ ]]
+ local s3 = [[
+ <<<d word word word |
+ line three |
+ long word long word long word long word |
+ long word long word long word |
+ ^line |
+ line |
+ line |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ |
+ ]]
+ local s4 = [[
+ line three |
+ long word long word long word long word |
+ long word long word long word |
+ line |
+ line |
+ ^line |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ |
+ ]]
+ local s5 = [[
+ <<<d word word word |
+ line three |
+ long word long word long word long word |
+ long word long word long word |
+ line |
+ line |
+ ^line |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ |
+ ]]
+ local s6 = [[
+ <<<d word word word word word word word |
+ word word word word |
+ line three |
+ long word long word long word long word |
+ long word long word long word |
+ line |
+ line |
+ ^line |
+ ~ |
+ ~ |
+ ~ |
+ |
+ ]]
+ local s7 = [[
+ word word word word word word word word |
+ word word word word word word word word |
+ word word word word |
+ line three |
+ long word long word long word long word |
+ long word long word long word |
+ line |
+ line |
+ ^line |
+ ~ |
+ ~ |
+ |
+ ]]
+ local s8 = [[
+ line one |
+ word word word word word word word word |
+ word word word word word word word word |
+ word word word word |
+ line three |
+ long word long word long word long word |
+ long word long word long word |
+ line |
+ line |
+ ^line |
+ ~ |
+ |
+ ]]
+ feed('<C-E>')
+ screen:expect(s1)
+ feed('<C-E>')
+ screen:expect(s2)
+ feed('<C-E>')
+ screen:expect(s3)
+ feed('<C-E>')
+ screen:expect(s4)
+ feed('<C-Y>')
+ screen:expect(s5)
+ feed('<C-Y>')
+ screen:expect(s6)
+ feed('<C-Y>')
+ screen:expect(s7)
+ feed('<C-Y>')
+ screen:expect(s8)
+ exec('set foldmethod=indent')
+ -- move the cursor so we can reuse the same dumps
+ feed('5G<C-E>')
+ screen:expect(s1)
+ feed('<C-E>')
+ screen:expect(s2)
+ feed('7G<C-Y>')
+ screen:expect(s7)
+ feed('<C-Y>')
+ screen:expect(s8)
+ end)
+
+ -- oldtest: Test_smoothscroll_number()
+ it("works 'number' and 'cpo'+=n", function()
+ exec([[
+ call setline(1, [ 'one ' .. 'word '->repeat(20), 'two ' .. 'long word '->repeat(7), 'line', 'line', 'line', ])
+ set smoothscroll scrolloff=5
+ set number cpo+=n
+ :3
+ func g:DoRel()
+ set number relativenumber scrolloff=0
+ :%del
+ call setline(1, [ 'one', 'very long text '->repeat(12), 'three', ])
+ exe "normal 2Gzt\<C-E>"
+ endfunc
+ ]])
+ screen:expect([[
+ 1 one word word word word word word wo|
+ rd word word word word word word word wo|
+ rd word word word word word |
+ 2 two long word long word long word lo|
+ ng word long word long word long word |
+ 3 ^line |
+ 4 line |
+ 5 line |
+ ~ |
+ ~ |
+ ~ |
+ |
+ ]])
+ feed('<C-E>')
+ screen:expect([[
+ <<<word word word word word word word wo|
+ rd word word word word word |
+ 2 two long word long word long word lo|
+ ng word long word long word long word |
+ 3 ^line |
+ 4 line |
+ 5 line |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ |
+ ]])
+ feed('<C-E>')
+ screen:expect([[
+ <<<word word word word word |
+ 2 two long word long word long word lo|
+ ng word long word long word long word |
+ 3 ^line |
+ 4 line |
+ 5 line |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ |
+ ]])
+ exec('set cpo-=n')
+ screen:expect([[
+ <<< d word word word word word word |
+ 2 two long word long word long word lo|
+ ng word long word long word long wor|
+ d |
+ 3 ^line |
+ 4 line |
+ 5 line |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ |
+ ]])
+ feed('<C-Y>')
+ screen:expect([[
+ <<< rd word word word word word word wor|
+ d word word word word word word |
+ 2 two long word long word long word lo|
+ ng word long word long word long wor|
+ d |
+ 3 ^line |
+ 4 line |
+ 5 line |
+ ~ |
+ ~ |
+ ~ |
+ |
+ ]])
+ feed('<C-Y>')
+ screen:expect([[
+ 1 one word word word word word word wo|
+ rd word word word word word word wor|
+ d word word word word word word |
+ 2 two long word long word long word lo|
+ ng word long word long word long wor|
+ d |
+ 3 ^line |
+ 4 line |
+ 5 line |
+ ~ |
+ ~ |
+ |
+ ]])
+ exec('call DoRel()')
+ screen:expect([[
+ 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 |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ --No lines in buffer-- |
+ ]])
+ end)
+
+ -- oldtest: Test_smoothscroll_list()
+ it("works with list mode", function()
+ screen:try_resize(40, 8)
+ exec([[
+ set smoothscroll scrolloff=0
+ set list
+ call setline(1, [ 'one', 'very long text '->repeat(12), 'three', ])
+ exe "normal 2Gzt\<C-E>"
+ ]])
+ screen:expect([[
+ <<<t very long text very long text very |
+ ^long text very long text very long text |
+ very long text very long text very long |
+ text very long text- |
+ three |
+ ~ |
+ ~ |
+ |
+ ]])
+ exec('set listchars+=precedes:#')
+ screen:expect([[
+ #ext very long text very long text very |
+ ^long text very long text very long text |
+ very long text very long text very long |
+ text very long text- |
+ three |
+ ~ |
+ ~ |
+ |
+ ]])
+ end)
+
+ -- oldtest: Test_smoothscroll_diff_mode()
+ it("works with diff mode", function()
+ screen:try_resize(40, 8)
+ exec([[
+ let text = 'just some text here'
+ call setline(1, text)
+ set smoothscroll
+ diffthis
+ new
+ call setline(1, text)
+ set smoothscroll
+ diffthis
+ ]])
+ screen:expect([[
+ - ^just some text here |
+ ~ |
+ ~ |
+ [No Name] [+] |
+ - just some text here |
+ ~ |
+ [No Name] [+] |
+ |
+ ]])
+ feed('<C-Y>')
+ screen:expect_unchanged()
+ feed('<C-E>')
+ screen:expect_unchanged()
+ end)
+
+ -- oldtest: Test_smoothscroll_wrap_scrolloff_zero()
+ it("works with zero 'scrolloff'", function()
+ screen:try_resize(40, 8)
+ exec([[
+ call setline(1, ['Line' .. (' with some text'->repeat(7))]->repeat(7))
+ set smoothscroll scrolloff=0 display=
+ :3
+ ]])
+ 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 |
+ |
+ ]])
+ feed('j')
+ screen:expect_unchanged()
+ -- moving cursor down - whole bottom line shows
+ feed('<C-E>j')
+ screen:expect_unchanged()
+ feed('G')
+ screen:expect_unchanged()
+ -- 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 |
+ 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 |
+ @ |
+ |
+ ]])
+ end)
+
+ -- oldtest: Test_smoothscroll_wrap_long_line()
+ it("adjusts the cursor position in a long line", function()
+ screen:try_resize(40, 6)
+ exec([[
+ call setline(1, ['one', 'two', 'Line' .. (' with lots of text'->repeat(30)) .. ' end', 'four'])
+ set smoothscroll scrolloff=0
+ normal 3G10|zt
+ ]])
+ -- scrolling up, cursor moves screen line down
+ screen:expect([[
+ Line with^ lots of text with lots of text|
+ with lots of text with lots of text wit|
+ h lots of text with lots of text with lo|
+ ts of text with lots of text with lots o|
+ f text with lots of text with lots of te|
+ |
+ ]])
+ feed('<C-E>')
+ screen:expect([[
+ <<<th lot^s of text with lots of text wit|
+ h lots of text with lots of text with lo|
+ ts of text with lots of text with lots o|
+ f text with lots of text with lots of te|
+ xt with lots of text with lots of text w|
+ |
+ ]])
+ feed('5<C-E>')
+ screen:expect([[
+ <<< lots ^of text with lots of text with |
+ lots of text with lots of text with lots|
+ of text with lots of text with lots of |
+ text with lots of text with lots of text|
+ with lots of text with lots of text wit|
+ |
+ ]])
+ -- scrolling down, cursor moves screen line up
+ feed('5<C-Y>')
+ screen:expect([[
+ <<<th lots of text with lots of text wit|
+ h lots of text with lots of text with lo|
+ ts of text with lots of text with lots o|
+ f text with lots of text with lots of te|
+ xt with l^ots of text with lots of text w|
+ |
+ ]])
+ feed('<C-Y>')
+ screen:expect([[
+ Line with lots of text with lots of text|
+ with lots of text with lots of text wit|
+ h lots of text with lots of text with lo|
+ ts of text with lots of text with lots o|
+ f text wi^th lots of text with lots of te|
+ |
+ ]])
+ -- 'scrolloff' set to 1, scrolling up, cursor moves screen line down
+ exec('set scrolloff=1')
+ feed('10|<C-E>')
+ screen:expect([[
+ <<<th lots of text with lots of text wit|
+ h lots of^ text with lots of text with lo|
+ ts of text with lots of text with lots o|
+ f text with lots of text with lots of te|
+ xt with lots of text with lots of text w|
+ |
+ ]])
+ -- 'scrolloff' set to 1, scrolling down, cursor moves screen line up
+ feed('<C-E>gjgj<C-Y>')
+ screen:expect([[
+ <<<th lots of text with lots of text wit|
+ h lots of text with lots of text with lo|
+ ts of text with lots of text with lots o|
+ f text wi^th lots of text with lots of te|
+ xt with lots of text with lots of text w|
+ |
+ ]])
+ -- 'scrolloff' set to 2, scrolling up, cursor moves screen line down
+ exec('set scrolloff=2')
+ feed('10|<C-E>')
+ screen:expect([[
+ <<<th lots of text with lots of text wit|
+ h lots of text with lots of text with lo|
+ ts of tex^t with lots of text with lots o|
+ f text with lots of text with lots of te|
+ xt with lots of text with lots of text w|
+ |
+ ]])
+ -- 'scrolloff' set to 2, scrolling down, cursor moves screen line up
+ feed('<C-E>gj<C-Y>')
+ screen:expect_unchanged()
+ -- 'scrolloff' set to 0, move cursor down one line. Cursor should move properly,
+ -- and since this is a really long line, it will be put on top of the screen.
+ exec('set scrolloff=0')
+ feed('0j')
+ screen:expect([[
+ <<<of text with lots of text with lots o|
+ f text with lots of text end |
+ ^four |
+ ~ |
+ ~ |
+ |
+ ]])
+ -- Test zt/zz/zb that they work properly when a long line is above it
+ feed('zb')
+ screen:expect([[
+ <<<th lots of text with lots of text wit|
+ h lots of text with lots of text with lo|
+ ts of text with lots of text with lots o|
+ f text with lots of text end |
+ ^four |
+ |
+ ]])
+ feed('zz')
+ screen:expect([[
+ <<<of text with lots of text with lots o|
+ f text with lots of text end |
+ ^four |
+ ~ |
+ ~ |
+ |
+ ]])
+ feed('zt')
+ screen:expect([[
+ ^four |
+ ~ |
+ ~ |
+ ~ |
+ ~ |
+ |
+ ]])
+ -- Repeat the step and move the cursor down again.
+ -- This time, use a shorter long line that is barely long enough to span more
+ -- than one window. Note that the cursor is at the bottom this time because
+ -- Vim prefers to do so if we are scrolling a few lines only.
+ exec("call setline(1, ['one', 'two', 'Line' .. (' with lots of text'->repeat(10)) .. ' end', 'four'])")
+ feed('3Gztj')
+ screen:expect([[
+ <<<th lots of text with lots of text wit|
+ h lots of text with lots of text with lo|
+ ts of text with lots of text with lots o|
+ f text with lots of text end |
+ ^four |
+ |
+ ]])
+ -- Repeat the step but this time start it when the line is smooth-scrolled by
+ -- one line. This tests that the offset calculation is still correct and
+ -- still end up scrolling down to the next line with cursor at bottom of
+ -- screen.
+ feed('3Gzt<C-E>j')
+ screen:expect([[
+ <<<th lots of text with lots of text wit|
+ h lots of text with lots of text with lo|
+ ts of text with lots of text with lots o|
+ f text with lots of text end |
+ fou^r |
+ |
+ ]])
+ end)
+
+ -- oldtest: Test_smoothscroll_one_long_line()
+ it("scrolls correctly when moving the cursor", function()
+ screen:try_resize(40, 6)
+ exec([[
+ call setline(1, 'with lots of text '->repeat(7))
+ set smoothscroll scrolloff=0
+ ]])
+ local s1 = [[
+ ^with lots of text with lots of text with|
+ lots of text with lots of text with lot|
+ s of text with lots of text with lots of|
+ text |
+ ~ |
+ |
+ ]]
+ screen:expect(s1)
+ feed('<C-E>')
+ screen:expect([[
+ <<<ts of text with lots of text with lot|
+ ^s of text with lots of text with lots of|
+ text |
+ ~ |
+ ~ |
+ |
+ ]])
+ feed('0')
+ screen:expect(s1)
+ end)
+
+ -- oldtest: Test_smoothscroll_long_line_showbreak()
+ it("cursor is not one screen line too far down", function()
+ screen:try_resize(40, 6)
+ -- 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|
+ +++ 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 |
+ |
+ ]]
+ 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|
+ +++ ne line with lots of text in one lin|
+ +++ e with lots of text in one line |
+ ~ |
+ |
+ ]])
+ feed('0')
+ screen:expect(s1)
+ end)
+
+ -- oldtest: Test_smoothscroll_zero_width()
+ it("does not divide by zero with a narrow window", function()
+ screen:try_resize(12, 2)
+ screen:set_default_attr_ids({
+ [1] = {foreground = Screen.colors.Brown},
+ [2] = {foreground = Screen.colors.Blue1, bold = true},
+ })
+ exec([[
+ call setline(1, ['a'->repeat(100)])
+ set wrap smoothscroll number laststatus=0
+ wincmd v
+ wincmd v
+ wincmd v
+ wincmd v
+ ]])
+ screen:expect([[
+ {1: 1^ }│{1: }│{1: }│{1: }│{1: }|
+ |
+ ]])
+ feed('llllllllll<C-W>o')
+ screen:expect([[
+ {2:<<<}{1: }aa^aaaaaa|
+ |
+ ]])
+ end)
+
+ it("works with virt_lines above and below", function()
+ screen:try_resize(55, 7)
+ exec([=[
+ call setline(1, ['Line' .. (' with some text'->repeat(7))]->repeat(3))
+ set smoothscroll
+ let ns = nvim_create_namespace('')
+ call nvim_buf_set_extmark(0, ns, 0, 0, {'virt_lines':[[['virt_below1']]]})
+ call nvim_buf_set_extmark(0, ns, 1, 0, {'virt_lines':[[['virt_above1']]],'virt_lines_above':1})
+ call nvim_buf_set_extmark(0, ns, 1, 0, {'virt_lines':[[['virt_below2']]]})
+ call nvim_buf_set_extmark(0, ns, 2, 0, {'virt_lines':[[['virt_above2']]],'virt_lines_above':1})
+ norm ggL
+ ]=])
+ screen:expect([[
+ Line with some text with some text with some text with |
+ some text with some text with some text with some text |
+ virt_below1 |
+ virt_above1 |
+ ^Line with some text with some text with some text with |
+ some text with some text with some text with some text |
+ |
+ ]])
+ feed('<C-E>')
+ screen:expect([[
+ <<<e text with some text with some text with some text |
+ virt_below1 |
+ virt_above1 |
+ ^Line with some text with some text with some text with |
+ some text with some text with some text with some text |
+ virt_below2 |
+ |
+ ]])
+ feed('<C-E>')
+ screen:expect([[
+ virt_below1 |
+ virt_above1 |
+ ^Line with some text with some text with some text with |
+ some text with some text with some text with some text |
+ virt_below2 |
+ virt_above2 |
+ |
+ ]])
+ feed('<C-E>')
+ screen:expect([[
+ virt_above1 |
+ ^Line with some text with some text with some text with |
+ some text with some text with some text with some text |
+ virt_below2 |
+ virt_above2 |
+ Line with some text with some text with some text wi@@@|
+ |
+ ]])
+ feed('<C-E>')
+ screen:expect([[
+ ^Line with some text with some text with some text with |
+ some text with some text with some text with some text |
+ virt_below2 |
+ virt_above2 |
+ Line with some text with some text with some text with |
+ some text with some text with some text with some text |
+ |
+ ]])
+ feed('<C-E>')
+ screen:expect([[
+ <<<e text with some text with some text with some tex^t |
+ virt_below2 |
+ virt_above2 |
+ Line with some text with some text with some text with |
+ some text with some text with some text with some text |
+ ~ |
+ |
+ ]])
+ end)
+
+ it('<<< marker shows with tabline, winbar and splits', function()
+ screen:try_resize(40, 12)
+ exec([[
+ call setline(1, ['Line' .. (' with some text'->repeat(7))]->repeat(7))
+ set smoothscroll scrolloff=0
+ norm sj
+ ]])
+ screen:expect([[
+ <<<e 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 |
+ [No Name] [+] |
+ <<<e 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 te@@@|
+ [No Name] [+] |
+ |
+ ]])
+ exec('set showtabline=2')
+ feed('<C-E>')
+ screen:expect([[
+ 2+ [No Name] |
+ <<<e 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 |
+ [No Name] [+] |
+ <<<e text with some text with some text |
+ ^with some text with some text |
+ Line with some text with some text wi@@@|
+ [No Name] [+] |
+ |
+ ]])
+ exec('set winbar=winbar')
+ feed('<C-w>k<C-E>')
+ screen:expect([[
+ 2+ [No Name] |
+ winbar |
+ <<<e 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 te@@@|
+ [No Name] [+] |
+ winbar |
+ <<<e text with some text with some text |
+ with some text with some text |
+ [No Name] [+] |
+ |
+ ]])
+ end)
+end)
diff --git a/test/functional/ui/popupmenu_spec.lua b/test/functional/ui/popupmenu_spec.lua
index 0b71e12b6f..6c26c8ea39 100644
--- a/test/functional/ui/popupmenu_spec.lua
+++ b/test/functional/ui/popupmenu_spec.lua
@@ -2396,7 +2396,7 @@ describe('builtin popupmenu', function()
-- can't draw the pum, but check we don't crash
screen:try_resize(12,2)
screen:expect([[
- text^ |
+ {1:<<<}t^ |
{2:-- INSERT -} |
]])
diff --git a/test/old/testdir/test_alot.vim b/test/old/testdir/test_alot.vim
index 4a22315b9f..2a959f0834 100644
--- a/test/old/testdir/test_alot.vim
+++ b/test/old/testdir/test_alot.vim
@@ -17,7 +17,6 @@ source test_global.vim
source test_move.vim
source test_put.vim
source test_reltime.vim
-source test_scroll_opt.vim
source test_searchpos.vim
source test_set.vim
source test_shift.vim
diff --git a/test/old/testdir/test_breakindent.vim b/test/old/testdir/test_breakindent.vim
index 0d1753182e..f6c0e32adf 100644
--- a/test/old/testdir/test_breakindent.vim
+++ b/test/old/testdir/test_breakindent.vim
@@ -87,7 +87,7 @@ func Test_breakindent02_vartabs()
endif
" simple breakindent test with showbreak set
call s:test_windows('setl briopt=min:0 sbr=>> vts=4')
- let lines = s:screen_lines(line('.'),8)
+ let lines = s:screen_lines(line('.'), 8)
let expect = [
\ " abcd",
\ " >>qr",
@@ -100,7 +100,7 @@ endfunc
func Test_breakindent03()
" simple breakindent test with showbreak set and briopt including sbr
call s:test_windows('setl briopt=sbr,min:0 sbr=++')
- let lines = s:screen_lines(line('.'),8)
+ let lines = s:screen_lines(line('.'), 8)
let expect=[
\ " abcd",
\ "++ qrst",
@@ -117,7 +117,7 @@ func Test_breakindent03_vartabs()
return
endif
call s:test_windows('setl briopt=sbr,min:0 sbr=++ vts=4')
- let lines = s:screen_lines(line('.'),8)
+ let lines = s:screen_lines(line('.'), 8)
let expect = [
\ " abcd",
\ "++ qrst",
@@ -132,7 +132,7 @@ func Test_breakindent04()
" breakindent set with min width 18
set sbr=<<<
call s:test_windows('setl sbr=NONE briopt=min:18')
- let lines = s:screen_lines(line('.'),8)
+ let lines = s:screen_lines(line('.'), 8)
let expect = [
\ " abcd",
\ " qrstuv",
@@ -150,7 +150,7 @@ func Test_breakindent04_vartabs()
return
endif
call s:test_windows('setl sbr= briopt=min:18 vts=4')
- let lines = s:screen_lines(line('.'),8)
+ let lines = s:screen_lines(line('.'), 8)
let expect = [
\ " abcd",
\ " qrstuv",
@@ -583,7 +583,7 @@ func Test_breakindent16()
redraw!
let lines = s:screen_lines(1,10)
let expect = [
- \ " 789012",
+ \ "<<< 789012",
\ " 345678",
\ " 901234",
\ ]
@@ -611,7 +611,7 @@ func Test_breakindent16_vartabs()
redraw!
let lines = s:screen_lines(1,10)
let expect = [
- \ " 789012",
+ \ "<<< 789012",
\ " 345678",
\ " 901234",
\ ]
@@ -711,25 +711,25 @@ endfunc
func Test_breakindent20_cpo_n_nextpage()
let s:input = ""
call s:test_windows('setl breakindent briopt=min:14 cpo+=n number')
- call setline(1, repeat('a', 200))
+ call setline(1, repeat('abcdefghijklmnopqrst', 10))
norm! 1gg
redraw!
let lines = s:screen_lines(1, 20)
let expect = [
- \ " 1 aaaaaaaaaaaaaaaa",
- \ " aaaaaaaaaaaaaaaa",
- \ " aaaaaaaaaaaaaaaa",
+ \ " 1 abcdefghijklmnop",
+ \ " qrstabcdefghijkl",
+ \ " mnopqrstabcdefgh",
\ ]
call s:compare_lines(expect, lines)
" Scroll down one screen line
setl scrolloff=5
- norm! 5gj
+ norm! 6gj
redraw!
let lines = s:screen_lines(1, 20)
let expect = [
- \ "--1 aaaaaaaaaaaaaaaa",
- \ " aaaaaaaaaaaaaaaa",
- \ " aaaaaaaaaaaaaaaa",
+ \ "<<< qrstabcdefghijkl",
+ \ " mnopqrstabcdefgh",
+ \ " ijklmnopqrstabcd",
\ ]
call s:compare_lines(expect, lines)
@@ -737,18 +737,18 @@ func Test_breakindent20_cpo_n_nextpage()
norm! 1gg
let lines = s:screen_lines(1, 20)
let expect = [
- \ " 1 aaaaaaaaaaaaaaaa",
- \ " aaaaaaaaaaaaaa",
- \ " aaaaaaaaaaaaaa",
+ \ " 1 abcdefghijklmnop",
+ \ " qrstabcdefghij",
+ \ " klmnopqrstabcd",
\ ]
call s:compare_lines(expect, lines)
" Scroll down one screen line
- norm! 5gj
+ norm! 6gj
let lines = s:screen_lines(1, 20)
let expect = [
- \ "--1 aaaaaaaaaaaaaa",
- \ " aaaaaaaaaaaaaa",
- \ " aaaaaaaaaaaaaa",
+ \ "<<< qrstabcdefghij",
+ \ " klmnopqrstabcd",
+ \ " efghijklmnopqr",
\ ]
call s:compare_lines(expect, lines)
diff --git a/test/old/testdir/test_diffmode.vim b/test/old/testdir/test_diffmode.vim
index 0049398776..ac90aaaa02 100644
--- a/test/old/testdir/test_diffmode.vim
+++ b/test/old/testdir/test_diffmode.vim
@@ -1605,6 +1605,21 @@ func Test_diff_scroll()
call delete('Xright')
endfunc
+" This was scrolling too many lines.
+func Test_diff_scroll_wrap_on()
+ 20new
+ 40vsplit
+ call setline(1, map(range(1, 9), 'repeat(v:val, 200)'))
+ setlocal number diff so=0
+ redraw
+ normal! jj
+ call assert_equal(1, winsaveview().topline)
+ normal! j
+ call assert_equal(2, winsaveview().topline)
+ bwipe!
+ bwipe!
+endfunc
+
" This was trying to update diffs for a buffer being closed
func Test_diff_only()
silent! lfile
diff --git a/test/old/testdir/test_display.vim b/test/old/testdir/test_display.vim
index b642f39c9f..f27a8362a9 100644
--- a/test/old/testdir/test_display.vim
+++ b/test/old/testdir/test_display.vim
@@ -478,5 +478,26 @@ func Test_display_lastline()
call assert_fails(':set fillchars=lastline:〇', 'E474:')
endfunc
+func Test_display_long_lastline()
+ CheckScreendump
+
+ let lines =<< trim END
+ set display=lastline
+ call setline(1, [
+ \'aaaaa'->repeat(100),
+ \'bbbbb '->repeat(7) .. 'ccccc '->repeat(7) .. 'ddddd '->repeat(7)
+ \])
+ END
+
+ call writefile(lines, 'XdispLongline', 'D')
+ let buf = RunVimInTerminal('-S XdispLongline', #{rows: 14, cols: 35})
+
+ call term_sendkeys(buf, "482|")
+ call VerifyScreenDump(buf, 'Test_display_long_line_1', {})
+ call term_sendkeys(buf, "D")
+ call VerifyScreenDump(buf, 'Test_display_long_line_2', {})
+
+ call StopVimInTerminal(buf)
+endfunc
" vim: shiftwidth=2 sts=2 expandtab
diff --git a/test/old/testdir/test_listlbr.vim b/test/old/testdir/test_listlbr.vim
index a746779e73..2e66fd4ccb 100644
--- a/test/old/testdir/test_listlbr.vim
+++ b/test/old/testdir/test_listlbr.vim
@@ -223,7 +223,7 @@ func Test_virtual_block_and_vbA()
exe "norm! $3B\<C-v>eAx\<Esc>"
let lines = s:screen_lines([1, 10], winwidth(0))
let expect = [
-\ "foobar foobar ",
+\ "<<<bar foobar ",
\ "foobar foobar ",
\ "foobar foobar ",
\ "foobar foobar ",
diff --git a/test/old/testdir/test_listlbr_utf8.vim b/test/old/testdir/test_listlbr_utf8.vim
index df1ed78119..15b248964f 100644
--- a/test/old/testdir/test_listlbr_utf8.vim
+++ b/test/old/testdir/test_listlbr_utf8.vim
@@ -266,7 +266,7 @@ func Test_chinese_char_on_wrap_column()
norm! $
redraw!
let expect=[
-\ '中aaaaaaaaaaaaaaaaa>',
+\ '<<<aaaaaaaaaaaaaaaa>',
\ '中aaaaaaaaaaaaaaaaa>',
\ '中aaaaaaaaaaaaaaaaa>',
\ '中aaaaaaaaaaaaaaaaa>',
diff --git a/test/old/testdir/test_normal.vim b/test/old/testdir/test_normal.vim
index fe8611d527..600e58848b 100644
--- a/test/old/testdir/test_normal.vim
+++ b/test/old/testdir/test_normal.vim
@@ -3738,15 +3738,45 @@ endfunc
" Test for 'scrolloff' with a long line that doesn't fit in the screen
func Test_normal_scroloff()
10new
- 80vnew
- call setline(1, repeat('a', 1000))
+ 60vnew
+ call setline(1, ' 1 ' .. repeat('a', 57)
+ \ .. ' 2 ' .. repeat('b', 57)
+ \ .. ' 3 ' .. repeat('c', 57)
+ \ .. ' 4 ' .. repeat('d', 57)
+ \ .. ' 5 ' .. repeat('e', 57)
+ \ .. ' 6 ' .. repeat('f', 57)
+ \ .. ' 7 ' .. repeat('g', 57)
+ \ .. ' 8 ' .. repeat('h', 57)
+ \ .. ' 9 ' .. repeat('i', 57)
+ \ .. '10 ' .. repeat('j', 57)
+ \ .. '11 ' .. repeat('k', 57)
+ \ .. '12 ' .. repeat('l', 57)
+ \ .. '13 ' .. repeat('m', 57)
+ \ .. '14 ' .. repeat('n', 57)
+ \ .. '15 ' .. repeat('o', 57)
+ \ .. '16 ' .. repeat('p', 57)
+ \ .. '17 ' .. repeat('q', 57)
+ \ .. '18 ' .. repeat('r', 57)
+ \ .. '19 ' .. repeat('s', 57)
+ \ .. '20 ' .. repeat('t', 57)
+ \ .. '21 ' .. repeat('u', 57)
+ \ .. '22 ' .. repeat('v', 57)
+ \ .. '23 ' .. repeat('w', 57)
+ \ .. '24 ' .. repeat('x', 57)
+ \ .. '25 ' .. repeat('y', 57)
+ \ .. '26 ' .. repeat('z', 57)
+ \ )
set scrolloff=10
normal gg10gj
- call assert_equal(8, winline())
+ call assert_equal(6, winline())
normal 10gj
- call assert_equal(10, winline())
+ call assert_equal(6, winline())
normal 10gk
- call assert_equal(3, winline())
+ call assert_equal(6, winline())
+ normal 0
+ call assert_equal(1, winline())
+ normal $
+ call assert_equal(10, winline())
set scrolloff&
close!
endfunc
diff --git a/test/old/testdir/test_number.vim b/test/old/testdir/test_number.vim
index 521b0cf706..cf777fd918 100644
--- a/test/old/testdir/test_number.vim
+++ b/test/old/testdir/test_number.vim
@@ -138,7 +138,7 @@ func Test_number_with_linewrap1()
call s:validate_cursor()
let lines = s:screen_lines(1, 3)
let expect = [
-\ "--1 aaaa",
+\ "<<< aaaa",
\ " aaaa",
\ " aaaa",
\ ]
diff --git a/test/old/testdir/test_options.vim b/test/old/testdir/test_options.vim
index f101f550d1..8fc86a99e3 100644
--- a/test/old/testdir/test_options.vim
+++ b/test/old/testdir/test_options.vim
@@ -721,7 +721,7 @@ func Test_backupskip()
let &backupskip = backupskip
endfunc
-func Test_copy_winopt()
+func Test_buf_copy_winopt()
set hidden
" Test copy option from current buffer in window
@@ -775,6 +775,108 @@ func Test_copy_winopt()
set hidden&
endfunc
+func Test_split_copy_options()
+ let values = [
+ \['cursorbind', 1, 0],
+ \['fillchars', '"vert:-"', '"' .. &fillchars .. '"'],
+ \['list', 1, 0],
+ \['listchars', '"space:-"', '"' .. &listchars .. '"'],
+ \['number', 1, 0],
+ \['relativenumber', 1, 0],
+ \['scrollbind', 1, 0],
+ \['smoothscroll', 1, 0],
+ \['virtualedit', '"block"', '"' .. &virtualedit .. '"'],
+ "\ ['wincolor', '"Search"', '"' .. &wincolor .. '"'],
+ \['wrap', 0, 1],
+ \]
+ if has('linebreak')
+ let values += [
+ \['breakindent', 1, 0],
+ \['breakindentopt', '"min:5"', '"' .. &breakindentopt .. '"'],
+ \['linebreak', 1, 0],
+ \['numberwidth', 7, 4],
+ \['showbreak', '"++"', '"' .. &showbreak .. '"'],
+ \]
+ endif
+ if has('rightleft')
+ let values += [
+ \['rightleft', 1, 0],
+ \['rightleftcmd', '"search"', '"' .. &rightleftcmd .. '"'],
+ \]
+ endif
+ if has('statusline')
+ let values += [
+ \['statusline', '"---%f---"', '"' .. &statusline .. '"'],
+ \]
+ endif
+ if has('spell')
+ let values += [
+ \['spell', 1, 0],
+ \]
+ endif
+ if has('syntax')
+ let values += [
+ \['cursorcolumn', 1, 0],
+ \['cursorline', 1, 0],
+ \['cursorlineopt', '"screenline"', '"' .. &cursorlineopt .. '"'],
+ \['colorcolumn', '"+1"', '"' .. &colorcolumn .. '"'],
+ \]
+ endif
+ if has('diff')
+ let values += [
+ \['diff', 1, 0],
+ \]
+ endif
+ if has('conceal')
+ let values += [
+ \['concealcursor', '"nv"', '"' .. &concealcursor .. '"'],
+ \['conceallevel', '3', &conceallevel],
+ \]
+ endif
+ if has('terminal')
+ let values += [
+ \['termwinkey', '"<C-X>"', '"' .. &termwinkey .. '"'],
+ \['termwinsize', '"10x20"', '"' .. &termwinsize .. '"'],
+ \]
+ endif
+ if has('folding')
+ let values += [
+ \['foldcolumn', '"5"', &foldcolumn],
+ \['foldenable', 0, 1],
+ \['foldexpr', '"2 + 3"', '"' .. &foldexpr .. '"'],
+ \['foldignore', '"+="', '"' .. &foldignore .. '"'],
+ \['foldlevel', 4, &foldlevel],
+ \['foldmarker', '">>,<<"', '"' .. &foldmarker .. '"'],
+ \['foldmethod', '"marker"', '"' .. &foldmethod .. '"'],
+ \['foldminlines', 3, &foldminlines],
+ \['foldnestmax', 17, &foldnestmax],
+ \['foldtext', '"closed"', '"' .. &foldtext .. '"'],
+ \]
+ endif
+ if has('signs')
+ let values += [
+ \['signcolumn', '"number"', '"' .. &signcolumn .. '"'],
+ \]
+ endif
+
+ " set options to non-default value
+ for item in values
+ exe $"let &{item[0]} = {item[1]}"
+ endfor
+
+ " check values are set in new window
+ split
+ for item in values
+ exe $'call assert_equal({item[1]}, &{item[0]}, "{item[0]}")'
+ endfor
+
+ " restore
+ close
+ for item in values
+ exe $"let &{item[0]} = {item[1]}"
+ endfor
+endfunc
+
func Test_shortmess_F()
new
call assert_match('\[No Name\]', execute('file'))
diff --git a/test/old/testdir/test_scroll_opt.vim b/test/old/testdir/test_scroll_opt.vim
index 64f4ced470..4ed54591af 100644
--- a/test/old/testdir/test_scroll_opt.vim
+++ b/test/old/testdir/test_scroll_opt.vim
@@ -1,4 +1,8 @@
-" Test for reset 'scroll'
+" Test for reset 'scroll' and 'smoothscroll'
+
+source check.vim
+source screendump.vim
+source mouse.vim
func Test_reset_scroll()
let scr = &l:scroll
@@ -51,4 +55,554 @@ 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
+
+ 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', {})
+
+ if has('folding')
+ call term_sendkeys(buf, ":set foldmethod=indent\<CR>")
+ " move the cursor so we can reuse the same dumps
+ call term_sendkeys(buf, "5G")
+ 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, "7G")
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smoothscroll_7', {})
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smoothscroll_8', {})
+ endif
+
+ call StopVimInTerminal(buf)
+endfunc
+
+func Test_smoothscroll_number()
+ CheckScreendump
+
+ let lines =<< trim END
+ vim9script
+ setline(1, [
+ 'one ' .. 'word '->repeat(20),
+ 'two ' .. 'long word '->repeat(7),
+ 'line',
+ 'line',
+ 'line',
+ ])
+ set smoothscroll
+ set number cpo+=n
+ :3
+
+ def g:DoRel()
+ set number relativenumber scrolloff=0
+ :%del
+ setline(1, [
+ 'one',
+ 'very long text '->repeat(12),
+ 'three',
+ ])
+ exe "normal 2Gzt\<C-E>"
+ enddef
+ END
+ call writefile(lines, 'XSmoothNumber', 'D')
+ let buf = RunVimInTerminal('-S XSmoothNumber', #{rows: 12, cols: 40})
+
+ call VerifyScreenDump(buf, 'Test_smooth_number_1', {})
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_2', {})
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_3', {})
+
+ call term_sendkeys(buf, ":set cpo-=n\<CR>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_4', {})
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_5', {})
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_6', {})
+
+ call term_sendkeys(buf, ":call DoRel()\<CR>")
+ call VerifyScreenDump(buf, 'Test_smooth_number_7', {})
+
+ call StopVimInTerminal(buf)
+endfunc
+
+func Test_smoothscroll_list()
+ CheckScreendump
+
+ let lines =<< trim END
+ vim9script
+ set smoothscroll scrolloff=0
+ set list
+ setline(1, [
+ 'one',
+ 'very long text '->repeat(12),
+ 'three',
+ ])
+ exe "normal 2Gzt\<C-E>"
+ END
+ call writefile(lines, 'XSmoothList', 'D')
+ let buf = RunVimInTerminal('-S XSmoothList', #{rows: 8, cols: 40})
+
+ call VerifyScreenDump(buf, 'Test_smooth_list_1', {})
+
+ call term_sendkeys(buf, ":set listchars+=precedes:#\<CR>")
+ call VerifyScreenDump(buf, 'Test_smooth_list_2', {})
+
+ call StopVimInTerminal(buf)
+endfunc
+
+func Test_smoothscroll_diff_mode()
+ CheckScreendump
+
+ let lines =<< trim END
+ vim9script
+ var text = 'just some text here'
+ setline(1, text)
+ set smoothscroll
+ diffthis
+ new
+ setline(1, text)
+ set smoothscroll
+ diffthis
+ END
+ call writefile(lines, 'XSmoothDiff', 'D')
+ let buf = RunVimInTerminal('-S XSmoothDiff', #{rows: 8})
+
+ call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smooth_diff_1', {})
+
+ call StopVimInTerminal(buf)
+endfunc
+
+func Test_smoothscroll_wrap_scrolloff_zero()
+ CheckScreendump
+
+ let lines =<< trim END
+ vim9script
+ setline(1, ['Line' .. (' with some text'->repeat(7))]->repeat(7))
+ set smoothscroll scrolloff=0
+ :3
+ END
+ call writefile(lines, 'XSmoothWrap', 'D')
+ let buf = RunVimInTerminal('-S XSmoothWrap', #{rows: 8, cols: 40})
+
+ call VerifyScreenDump(buf, 'Test_smooth_wrap_1', {})
+
+ " moving cursor down - whole bottom line shows
+ call term_sendkeys(buf, "j")
+ call VerifyScreenDump(buf, 'Test_smooth_wrap_2', {})
+
+ call term_sendkeys(buf, "\<C-E>j")
+ call VerifyScreenDump(buf, 'Test_smooth_wrap_3', {})
+
+ call term_sendkeys(buf, "G")
+ call VerifyScreenDump(buf, 'Test_smooth_wrap_4', {})
+
+ " 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
+
+func Test_smoothscroll_wrap_long_line()
+ CheckScreendump
+
+ let lines =<< trim END
+ vim9script
+ setline(1, ['one', 'two', 'Line' .. (' with lots of text'->repeat(30)) .. ' end', 'four'])
+ set smoothscroll scrolloff=0
+ normal 3G10|zt
+ END
+ call writefile(lines, 'XSmoothWrap', 'D')
+ let buf = RunVimInTerminal('-S XSmoothWrap', #{rows: 6, cols: 40})
+ call VerifyScreenDump(buf, 'Test_smooth_long_1', {})
+
+ " scrolling up, cursor moves screen line down
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smooth_long_2', {})
+ call term_sendkeys(buf, "5\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smooth_long_3', {})
+
+ " scrolling down, cursor moves screen line up
+ call term_sendkeys(buf, "5\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smooth_long_4', {})
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smooth_long_5', {})
+
+ " 'scrolloff' set to 1, scrolling up, cursor moves screen line down
+ call term_sendkeys(buf, ":set scrolloff=1\<CR>")
+ call term_sendkeys(buf, "10|\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smooth_long_6', {})
+
+ " 'scrolloff' set to 1, scrolling down, cursor moves screen line up
+ call term_sendkeys(buf, "\<C-E>")
+ call term_sendkeys(buf, "gjgj")
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smooth_long_7', {})
+
+ " 'scrolloff' set to 2, scrolling up, cursor moves screen line down
+ call term_sendkeys(buf, ":set scrolloff=2\<CR>")
+ call term_sendkeys(buf, "10|\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smooth_long_8', {})
+
+ " 'scrolloff' set to 2, scrolling down, cursor moves screen line up
+ call term_sendkeys(buf, "\<C-E>")
+ call term_sendkeys(buf, "gj")
+ call term_sendkeys(buf, "\<C-Y>")
+ call VerifyScreenDump(buf, 'Test_smooth_long_9', {})
+
+ " 'scrolloff' set to 0, move cursor down one line.
+ " Cursor should move properly, and since this is a really long line, it will
+ " be put on top of the screen.
+ call term_sendkeys(buf, ":set scrolloff=0\<CR>")
+ call term_sendkeys(buf, "0j")
+ call VerifyScreenDump(buf, 'Test_smooth_long_10', {})
+
+ " Test zt/zz/zb that they work properly when a long line is above it
+ call term_sendkeys(buf, "zb")
+ call VerifyScreenDump(buf, 'Test_smooth_long_11', {})
+ call term_sendkeys(buf, "zz")
+ call VerifyScreenDump(buf, 'Test_smooth_long_12', {})
+ call term_sendkeys(buf, "zt")
+ call VerifyScreenDump(buf, 'Test_smooth_long_13', {})
+
+ " Repeat the step and move the cursor down again.
+ " This time, use a shorter long line that is barely long enough to span more
+ " than one window. Note that the cursor is at the bottom this time because
+ " Vim prefers to do so if we are scrolling a few lines only.
+ call term_sendkeys(buf, ":call setline(1, ['one', 'two', 'Line' .. (' with lots of text'->repeat(10)) .. ' end', 'four'])\<CR>")
+ call term_sendkeys(buf, "3Gzt")
+ call term_sendkeys(buf, "j")
+ call VerifyScreenDump(buf, 'Test_smooth_long_14', {})
+
+ " Repeat the step but this time start it when the line is smooth-scrolled by
+ " one line. This tests that the offset calculation is still correct and
+ " still end up scrolling down to the next line with cursor at bottom of
+ " screen.
+ call term_sendkeys(buf, "3Gzt")
+ call term_sendkeys(buf, "\<C-E>j")
+ call VerifyScreenDump(buf, 'Test_smooth_long_15', {})
+
+ call StopVimInTerminal(buf)
+endfunc
+
+func Test_smoothscroll_one_long_line()
+ CheckScreendump
+
+ let lines =<< trim END
+ vim9script
+ setline(1, 'with lots of text '->repeat(7))
+ set smoothscroll scrolloff=0
+ END
+ call writefile(lines, 'XSmoothOneLong', 'D')
+ let buf = RunVimInTerminal('-S XSmoothOneLong', #{rows: 6, cols: 40})
+ call VerifyScreenDump(buf, 'Test_smooth_one_long_1', {})
+
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smooth_one_long_2', {})
+
+ call term_sendkeys(buf, "0")
+ call VerifyScreenDump(buf, 'Test_smooth_one_long_1', {})
+
+ call StopVimInTerminal(buf)
+endfunc
+
+func Test_smoothscroll_long_line_showbreak()
+ CheckScreendump
+
+ let lines =<< trim END
+ vim9script
+ # a line that spans four screen lines
+ setline(1, 'with lots of text in one line '->repeat(6))
+ set smoothscroll scrolloff=0 showbreak=+++\
+ END
+ call writefile(lines, 'XSmoothLongShowbreak', 'D')
+ let buf = RunVimInTerminal('-S XSmoothLongShowbreak', #{rows: 6, cols: 40})
+ call VerifyScreenDump(buf, 'Test_smooth_long_showbreak_1', {})
+
+ call term_sendkeys(buf, "\<C-E>")
+ call VerifyScreenDump(buf, 'Test_smooth_long_showbreak_2', {})
+
+ call term_sendkeys(buf, "0")
+ call VerifyScreenDump(buf, 'Test_smooth_long_showbreak_1', {})
+
+ call StopVimInTerminal(buf)
+endfunc
+
+func s:check_col_calc(win_col, win_line, buf_col)
+ call assert_equal(a:win_col, wincol())
+ call assert_equal(a:win_line, winline())
+ call assert_equal(a:buf_col, col('.'))
+endfunc
+
+" Test that if the current cursor is on a smooth scrolled line, we correctly
+" reposition it. Also check that we don't miscalculate the values by checking
+" the consistency between wincol() and col('.') as they are calculated
+" separately in code.
+func Test_smoothscroll_cursor_position()
+ call NewWindow(10, 20)
+ setl smoothscroll wrap
+ call setline(1, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
+
+ call s:check_col_calc(1, 1, 1)
+ exe "normal \<C-E>"
+
+ " Move down another line to avoid blocking the <<< display
+ call s:check_col_calc(1, 2, 41)
+ exe "normal \<C-Y>"
+ call s:check_col_calc(1, 3, 41)
+
+ 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)
+ normal gg
+
+ " Test number, where we have indented lines
+ setl number
+ call s:check_col_calc(5, 1, 1)
+ exe "normal \<C-E>"
+
+ " 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, 2, 17)
+ normal ggg$
+ exe "normal \<C-E>"
+ call s:check_col_calc(20, 1, 32)
+ exe "normal \<C-Y>"
+ 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, 1, 17)
+ exe "normal \<C-Y>"
+ call s:check_col_calc(8, 2, 17)
+ normal gg
+
+ " Test number + cpo+=n mode, where wrapped lines aren't indented
+ setl number cpo+=n showbreak=
+ call s:check_col_calc(5, 1, 1)
+ exe "normal \<C-E>"
+ call s:check_col_calc(1, 2, 37)
+ exe "normal \<C-Y>"
+ call s:check_col_calc(1, 3, 37)
+ normal gg
+
+ bwipe!
+endfunc
+
+func Test_smoothscroll_cursor_scrolloff()
+ call NewWindow(10, 20)
+ setl smoothscroll wrap
+ setl scrolloff=3
+
+ " 120 chars are 6 screen lines
+ call setline(1, "abcdefghijklmnopqrstABCDEFGHIJKLMNOPQRSTabcdefghijklmnopqrstABCDEFGHIJKLMNOPQRSTabcdefghijklmnopqrstABCDEFGHIJKLMNOPQRST")
+ call setline(2, "below")
+
+ call s:check_col_calc(1, 1, 1)
+
+ " CTRL-E shows "<<<DEFG...", cursor move four lines down
+ exe "normal \<C-E>"
+ call s:check_col_calc(1, 4, 81)
+
+ " cursor on start of second line, "gk" moves into first line, skipcol doesn't
+ " change
+ exe "normal G0gk"
+ call s:check_col_calc(1, 5, 101)
+
+ " move cursor left one window width worth, scrolls one screen line
+ exe "normal 20h"
+ call s:check_col_calc(1, 5, 81)
+
+ " move cursor left one window width worth, scrolls one screen line
+ exe "normal 20h"
+ call s:check_col_calc(1, 4, 61)
+
+ " cursor on last line, "gk" should not cause a scroll
+ set scrolloff=0
+ normal G0
+ call s:check_col_calc(1, 7, 1)
+ normal gk
+ call s:check_col_calc(1, 6, 101)
+
+ bwipe!
+endfunc
+
+
+" Test that mouse picking is still accurate when we have smooth scrolled lines
+func Test_smoothscroll_mouse_pos()
+ CheckNotGui
+ CheckUnix
+
+ let save_mouse = &mouse
+ "let save_term = &term
+ "let save_ttymouse = &ttymouse
+ set mouse=a "term=xterm ttymouse=xterm2
+
+ call NewWindow(10, 20)
+ setl smoothscroll wrap
+ " First line will wrap to 3 physical lines. 2nd/3rd lines are short lines.
+ call setline(1, ["abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", "line 2", "line 3"])
+
+ func s:check_mouse_click(row, col, buf_row, buf_col)
+ call MouseLeftClick(a:row, a:col)
+
+ call assert_equal(a:col, wincol())
+ call assert_equal(a:row, winline())
+ call assert_equal(a:buf_row, line('.'))
+ call assert_equal(a:buf_col, col('.'))
+ endfunc
+
+ " Check that clicking without scroll works first.
+ call s:check_mouse_click(3, 5, 1, 45)
+ call s:check_mouse_click(4, 1, 2, 1)
+ call s:check_mouse_click(4, 6, 2, 6)
+ call s:check_mouse_click(5, 1, 3, 1)
+ call s:check_mouse_click(5, 6, 3, 6)
+
+ " Smooth scroll, and checks that this didn't mess up mouse clicking
+ exe "normal \<C-E>"
+ call s:check_mouse_click(2, 5, 1, 45)
+ call s:check_mouse_click(3, 1, 2, 1)
+ call s:check_mouse_click(3, 6, 2, 6)
+ call s:check_mouse_click(4, 1, 3, 1)
+ call s:check_mouse_click(4, 6, 3, 6)
+
+ exe "normal \<C-E>"
+ call s:check_mouse_click(1, 5, 1, 45)
+ call s:check_mouse_click(2, 1, 2, 1)
+ call s:check_mouse_click(2, 6, 2, 6)
+ call s:check_mouse_click(3, 1, 3, 1)
+ call s:check_mouse_click(3, 6, 3, 6)
+
+ " Make a new first line 11 physical lines tall so it's taller than window
+ " height, to test overflow calculations with really long lines wrapping.
+ normal gg
+ call setline(1, "12345678901234567890"->repeat(11))
+ exe "normal 6\<C-E>"
+ call s:check_mouse_click(5, 1, 1, 201)
+ call s:check_mouse_click(6, 1, 2, 1)
+ call s:check_mouse_click(7, 1, 3, 1)
+
+ let &mouse = save_mouse
+ "let &term = save_term
+ "let &ttymouse = save_ttymouse
+endfunc
+
+" this was dividing by zero
+func Test_smoothscrol_zero_width()
+ CheckScreendump
+
+ let lines =<< trim END
+ winsize 0 0
+ vsplit
+ vsplit
+ vsplit
+ vsplit
+ vsplit
+ sil norm H
+ set wrap
+ set smoothscroll
+ set number
+ END
+ call writefile(lines, 'XSmoothScrollZero', 'D')
+ let buf = RunVimInTerminal('-u NONE -i NONE -n -m -X -Z -e -s -S XSmoothScrollZero', #{rows: 6, cols: 60, wait_for_ruler: 0})
+ call TermWait(buf, 3000)
+ call VerifyScreenDump(buf, 'Test_smoothscroll_zero_1', {})
+
+ call term_sendkeys(buf, ":sil norm \<C-V>\<C-W>\<C-V>\<C-N>\<CR>")
+ call VerifyScreenDump(buf, 'Test_smoothscroll_zero_2', {})
+
+ call StopVimInTerminal(buf)
+endfunc
+
+
" vim: shiftwidth=2 sts=2 expandtab
diff --git a/test/old/testdir/test_window_cmd.vim b/test/old/testdir/test_window_cmd.vim
index f938203736..f18d1719c0 100644
--- a/test/old/testdir/test_window_cmd.vim
+++ b/test/old/testdir/test_window_cmd.vim
@@ -1734,7 +1734,7 @@ func Test_splitkeep_options()
" let &t_WS = save_WS
endfunc
-function Test_splitkeep_cmdwin_cursor_position()
+func Test_splitkeep_cmdwin_cursor_position()
set splitkeep=screen
call setline(1, range(&lines))
@@ -1759,9 +1759,9 @@ function Test_splitkeep_cmdwin_cursor_position()
%bwipeout!
set splitkeep&
-endfunction
+endfunc
-function Test_splitkeep_misc()
+func Test_splitkeep_misc()
set splitkeep=screen
set splitbelow
@@ -1794,7 +1794,7 @@ function Test_splitkeep_misc()
set splitkeep&
endfunc
-function Test_splitkeep_callback()
+func Test_splitkeep_callback()
CheckScreendump
let lines =<< trim END
set splitkeep=screen
@@ -1827,7 +1827,7 @@ function Test_splitkeep_callback()
call StopVimInTerminal(buf)
endfunc
-function Test_splitkeep_fold()
+func Test_splitkeep_fold()
CheckScreendump
let lines =<< trim END
@@ -1857,9 +1857,9 @@ function Test_splitkeep_fold()
call VerifyScreenDump(buf, 'Test_splitkeep_fold_4', {})
call StopVimInTerminal(buf)
-endfunction
+endfunc
-function Test_splitkeep_status()
+func Test_splitkeep_status()
CheckScreendump
let lines =<< trim END
@@ -1877,9 +1877,9 @@ function Test_splitkeep_status()
call VerifyScreenDump(buf, 'Test_splitkeep_status_1', {})
call StopVimInTerminal(buf)
-endfunction
+endfunc
-function Test_new_help_window_on_error()
+func Test_new_help_window_on_error()
help change.txt
execute "normal! /CTRL-@\<CR>"
silent! execute "normal! \<C-W>]"
@@ -1889,7 +1889,26 @@ function Test_new_help_window_on_error()
call assert_equal(wincount, winnr('$'))
call assert_equal(expand("<cword>"), "'mod'")
-endfunction
+endfunc
+
+func Test_smoothscroll_in_zero_width_window()
+ let save_lines = &lines
+ let save_columns = &columns
+
+ winsize 0 24
+ set cpo+=n
+ exe "noremap 0 \<C-W>n\<C-W>L"
+ norm 000000
+ set number smoothscroll
+ exe "norm \<C-Y>"
+
+ only!
+ let &lines = save_lines
+ let &columns = save_columns
+ set cpo-=n
+ unmap 0
+ set nonumber nosmoothscroll
+endfunc
" vim: shiftwidth=2 sts=2 expandtab