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move.c: dont invalidate viewport when no scroll happened

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Rom Grk
2020-10-25 02:25:22 -04:00
parent a1596f0b0b
commit d2a38dab80
2 changed files with 18 additions and 6 deletions
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10
src/nvim/normal.c
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@@ -4117,10 +4117,10 @@ void scroll_redraw(int up, long count)
int prev_topfill = curwin->w_topfill;
linenr_T prev_lnum = curwin->w_cursor.lnum;
if (up)
scrollup(count, true);
else
bool moved = up ?
scrollup(count, true) :
scrolldown(count, true);
if (get_scrolloff_value()) {
// Adjust the cursor position for 'scrolloff'. Mark w_topline as
// valid, otherwise the screen jumps back at the end of the file.
@@ -4152,7 +4152,9 @@ void scroll_redraw(int up, long count)
}
if (curwin->w_cursor.lnum != prev_lnum)
coladvance(curwin->w_curswant);
curwin->w_viewport_invalid = true;
// XXX: can `moved` be used to prevent other work here?
if (moved)
curwin->w_viewport_invalid = true;
redraw_later(VALID);
}