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-rw-r--r--src/move.c67
1 files changed, 48 insertions, 19 deletions
diff --git a/src/move.c b/src/move.c
index 1b6e003..71654dd 100644
--- a/src/move.c
+++ b/src/move.c
@@ -319,6 +319,7 @@ update_topline(void)
redraw_later(UPD_NOT_VALID);
curwin->w_topline = 1;
curwin->w_botline = 2;
+ curwin->w_skipcol = 0;
curwin->w_valid |= VALID_BOTLINE|VALID_BOTLINE_AP;
curwin->w_scbind_pos = 1;
}
@@ -1455,7 +1456,7 @@ textpos2screenpos(
is_folded = hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL);
#endif
- row = plines_m_win(wp, wp->w_topline, lnum - 1, FALSE);
+ row = plines_m_win(wp, wp->w_topline, lnum - 1, INT_MAX);
// "row" should be the screen line where line "lnum" begins, which can
// be negative if "lnum" is "w_topline" and "w_skipcol" is non-zero.
row -= adjust_plines_for_skipcol(wp);
@@ -1629,6 +1630,7 @@ static void cursor_correct_sms(void)
int width2 = width1 + curwin_col_off2();
int so_cols = so == 0 ? 0 : width1 + (so - 1) * width2;
int space_cols = (curwin->w_height - 1) * width2;
+ int overlap, top, bot;
int size = so == 0 ? 0 : win_linetabsize(curwin, curwin->w_topline,
ml_get(curwin->w_topline), (colnr_T)MAXCOL);
@@ -1638,16 +1640,16 @@ static void cursor_correct_sms(void)
so_cols = space_cols / 2; // Not enough room: put cursor in the middle.
// Not enough screen lines in topline: ignore 'scrolloff'.
- while (so_cols > size && so_cols - width2 >= width1)
+ while (so_cols > size && so_cols - width2 >= width1 && width1 > 0)
so_cols -= width2;
if (so_cols >= width1 && so_cols > size)
so_cols -= width1;
// If there is no marker or we have non-zero scrolloff, just ignore it.
- int overlap = (curwin->w_skipcol == 0 || so_cols != 0) ? 0
+ overlap = (curwin->w_skipcol == 0 || so_cols != 0) ? 0
: sms_marker_overlap(curwin, -1);
- int top = curwin->w_skipcol + overlap + so_cols;
- int bot = curwin->w_skipcol + width1 + (curwin->w_height - 1) * width2
+ top = curwin->w_skipcol + overlap + so_cols;
+ bot = curwin->w_skipcol + width1 + (curwin->w_height - 1) * width2
- so_cols;
validate_virtcol();
colnr_T col = curwin->w_virtcol;
@@ -2025,6 +2027,8 @@ adjust_skipcol(void)
long so = get_scrolloff_value();
int scrolloff_cols = so == 0 ? 0 : width1 + (so - 1) * width2;
int scrolled = FALSE;
+ int row = 0;
+ int overlap, col;
validate_cheight();
if (curwin->w_cline_height == curwin->w_height
@@ -2039,7 +2043,7 @@ adjust_skipcol(void)
}
validate_virtcol();
- int overlap = sms_marker_overlap(curwin, -1);
+ overlap = sms_marker_overlap(curwin, -1);
while (curwin->w_skipcol > 0
&& curwin->w_virtcol < curwin->w_skipcol + overlap + scrolloff_cols)
{
@@ -2057,8 +2061,19 @@ adjust_skipcol(void)
return; // don't scroll in the other direction now
}
- int col = curwin->w_virtcol - curwin->w_skipcol + scrolloff_cols;
- int row = 0;
+ col = curwin->w_virtcol + scrolloff_cols;
+
+ // Avoid adjusting for 'scrolloff' beyond the text line height.
+ if (scrolloff_cols > 0)
+ {
+ int size = win_linetabsize(curwin, curwin->w_topline,
+ ml_get(curwin->w_topline), (colnr_T)MAXCOL);
+ size = width1 + width2 * ((size - width1 + width2 - 1) / width2);
+ while (col > size)
+ col -= width2;
+ }
+ col -= curwin->w_skipcol;
+
if (col >= width1)
{
col -= width1;
@@ -2616,12 +2631,14 @@ scroll_cursor_bot(int min_scroll, int set_topbot)
plines_win
#endif
(curwin, curwin->w_topline, FALSE);
- int skip_lines = 0;
int width1 = curwin->w_width - curwin_col_off();
+
if (width1 > 0)
{
int width2 = width1 + curwin_col_off2();
- // similar formula is used in curs_columns()
+ int skip_lines = 0;
+
+ // A 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)
@@ -2781,7 +2798,9 @@ scroll_cursor_bot(int min_scroll, int set_topbot)
}
curwin->w_valid |= VALID_TOPLINE;
- cursor_correct_sms();
+ // Make sure cursor is still visible after adjusting skipcol for "zb".
+ if (set_topbot)
+ cursor_correct_sms();
}
/*
@@ -3155,9 +3174,10 @@ static int get_scroll_overlap(int dir)
/*
* Scroll "count" lines with 'smoothscroll' in direction "dir". Return TRUE
- * when scrolling happened.
+ * when scrolling happened. Adjust "curscount" for scrolling different amount of
+ * lines when 'smoothscroll' is disabled.
*/
-static int scroll_with_sms(int dir, long count)
+static int scroll_with_sms(int dir, long count, long *curscount)
{
int prev_sms = curwin->w_p_sms;
colnr_T prev_skipcol = curwin->w_skipcol;
@@ -3180,7 +3200,10 @@ static int scroll_with_sms(int dir, long count)
fixdir = dir * -1;
while (curwin->w_skipcol > 0
&& curwin->w_topline < curbuf->b_ml.ml_line_count)
+ {
scroll_redraw(fixdir == FORWARD, 1);
+ *curscount += (fixdir == dir ? 1 : -1);
+ }
}
curwin->w_p_sms = prev_sms;
@@ -3217,21 +3240,27 @@ pagescroll(int dir, long count, int half)
curwin->w_p_scr = MIN(curwin->w_height, count);
count = MIN(curwin->w_height, curwin->w_p_scr);
- int curscount = count;
+ long curscount = count;
// Adjust count so as to not reveal end of buffer lines.
- if (dir == FORWARD)
+ if (dir == FORWARD
+ && (curwin->w_topline + curwin->w_height + count > buflen
+#ifdef FEAT_FOLDING
+ || hasAnyFolding(curwin)
+#endif
+ ))
{
int n = plines_correct_topline(curwin, curwin->w_topline, FALSE);
if (n - count < curwin->w_height && curwin->w_topline < buflen)
- n += plines_m_win(curwin, curwin->w_topline + 1, buflen, FALSE);
- if (n - count < curwin->w_height)
+ n += plines_m_win(curwin, curwin->w_topline + 1, buflen,
+ curwin->w_height + count);
+ if (n < curwin->w_height + count)
count = n - curwin->w_height;
}
// (Try to) scroll the window unless already at the end of the buffer.
if (count > 0)
{
- nochange = scroll_with_sms(dir, count);
+ nochange = scroll_with_sms(dir, count, &curscount);
curwin->w_cursor.lnum = prev_lnum;
curwin->w_cursor.col = prev_col;
curwin->w_curswant = prev_curswant;
@@ -3250,7 +3279,7 @@ pagescroll(int dir, long count, int half)
// Scroll [count] times 'window' or current window height lines.
count *= ((ONE_WINDOW && p_window > 0 && p_window < Rows - 1) ?
MAX(1, p_window - 2) : get_scroll_overlap(dir));
- nochange = scroll_with_sms(dir, count);
+ nochange = scroll_with_sms(dir, count, &count);
// Place cursor at top or bottom of window.
validate_botline();
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 21:34:56 +0000