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patch 9.0.0455: a few problems with 'splitscroll'

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Problem:    A few problems with 'splitscroll'.
Solution:   Fix 'splitscroll' problems. (Luuk van Baal, closes #11117)
This commit is contained in:
Luuk van Baal
2022-09-13 11:55:10 +01:00
committed by Bram Moolenaar
parent 810cb5a3bf
commit 5ed391708a
5 changed files with 28 additions and 15 deletions
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13
src/window.c
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@@ -3923,6 +3923,7 @@ new_frame(win_T *wp)
win_init_size(void)
{
firstwin->w_height = ROWS_AVAIL;
firstwin->w_prev_height = ROWS_AVAIL;
topframe->fr_height = ROWS_AVAIL;
firstwin->w_width = Columns;
topframe->fr_width = Columns;
@@ -4069,6 +4070,7 @@ win_new_tabpage(int after)
win_init_size();
firstwin->w_winrow = tabline_height();
firstwin->w_prev_winrow = firstwin->w_winrow;
win_comp_scroll(curwin);
newtp->tp_topframe = topframe;
@@ -6372,10 +6374,8 @@ win_fix_scroll(int resize)
{
lnum = wp->w_cursor.lnum;
wp->w_cursor.lnum = MIN(wp->w_buffer->b_ml.ml_line_count,
wp->w_botline - 1 + (wp->w_prev_height
? (wp->w_winrow - wp->w_prev_winrow)
+ (wp->w_height - wp->w_prev_height)
: -WINBAR_HEIGHT(wp)));
wp->w_botline - 1 + (wp->w_winrow - wp->w_prev_winrow)
+ (wp->w_height - wp->w_prev_height));
// Bring the new cursor position to the bottom of the screen.
wp->w_fraction = FRACTION_MULT;
scroll_to_fraction(wp, wp->w_prev_height);
@@ -6802,6 +6802,9 @@ last_status_rec(frame_T *fr, int statusline)
comp_col();
redraw_all_later(UPD_SOME_VALID);
}
// Set prev_height when difference is due to 'laststatus'.
if (abs(wp->w_height - wp->w_prev_height) == 1)
wp->w_prev_height = wp->w_height;
}
else if (fr->fr_layout == FR_ROW)
{
@@ -7091,6 +7094,8 @@ restore_snapshot(
win_comp_pos();
if (wp != NULL && close_curwin)
win_goto(wp);
if (!p_spsc)
win_fix_scroll(FALSE);
redraw_all_later(UPD_NOT_VALID);
}
clear_snapshot(curtab, idx);