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authorzeertzjq <zeertzjq@outlook.com>2022-03-23 14:55:23 +0000
committerBram Moolenaar <Bram@vim.org>2022-03-23 14:55:23 +0000
commitc20e46a4e3efcd408ef132872238144ea34f7ae5 (patch)
tree88e4c9c9113e2a70665b31e08c733a93f1e8bb57 /src/drawscreen.c
parent3c5999e53d9f35a30abefb7224f66a75c8ffb009 (diff)
patch 8.2.4614: redrawing too much when 'cursorline' is setv8.2.4614
Problem: Redrawing too much when 'cursorline' is set and jumping around. Solution: Rely on win_update() to redraw the current and previous cursor line, do not mark lines as modified. (closes #9996)
Diffstat (limited to 'src/drawscreen.c')
-rw-r--r--src/drawscreen.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/src/drawscreen.c b/src/drawscreen.c
index a562c4d84a..a902397cd7 100644
--- a/src/drawscreen.c
+++ b/src/drawscreen.c
@@ -1468,9 +1468,6 @@ win_update(win_T *wp)
# define DID_FOLD 3 // updated a folded line
int did_update = DID_NONE;
linenr_T syntax_last_parsed = 0; // last parsed text line
- // remember the current w_last_cursorline, it changes when drawing the new
- // cursor line
- linenr_T last_cursorline = wp->w_last_cursorline;
#endif
linenr_T mod_top = 0;
linenr_T mod_bot = 0;
@@ -2245,8 +2242,8 @@ win_update(win_T *wp)
#endif
))))
#ifdef FEAT_SYN_HL
- || (wp->w_p_cul && (lnum == wp->w_cursor.lnum
- || lnum == last_cursorline))
+ || (wp->w_p_cul && lnum == wp->w_cursor.lnum)
+ || lnum == wp->w_last_cursorline
#endif
)
{
@@ -2551,6 +2548,12 @@ win_update(win_T *wp)
// End of loop over all window lines.
+#ifdef FEAT_SYN_HL
+ // Now that the window has been redrawn with the old and new cursor line,
+ // update w_last_cursorline.
+ wp->w_last_cursorline = wp->w_p_cul ? wp->w_cursor.lnum : 0;
+#endif
+
#ifdef FEAT_VTP
// Rewrite the character at the end of the screen line.
// See the version that was fixed.