scroll: use win->w_viewport_invalid

3 files changed, 2 insertions, 16 deletions

diff --git a/src/nvim/buffer_defs.h b/src/nvim/buffer_defs.h
index 546054bb19..1223f2bdab 100644
--- a/src/nvim/buffer_defs.h
+++ b/src/nvim/buffer_defs.h
@@ -1204,9 +1204,6 @@ struct window_S {
   colnr_T w_skipcol;                // starting column when a single line
                                     // doesn't fit in the window
 
-  linenr_T w_last_topline;          ///< last known value for topline
-  colnr_T w_last_leftcol;           ///< last known value for leftcol
-
   //
   // Layout of the window in the screen.
   // May need to add "msg_scrolled" to "w_winrow" in rare situations.
diff --git a/src/nvim/edit.c b/src/nvim/edit.c
index 949f5d5a62..56202177c0 100644
--- a/src/nvim/edit.c
+++ b/src/nvim/edit.c
@@ -1483,13 +1483,8 @@ static void ins_redraw(
   }
 
   if (ready && has_event(EVENT_SCROLL)
-      && (curwin->w_last_topline != curwin->w_topline ||
-          curwin->w_last_leftcol != curwin->w_leftcol)) {
-
+      && curwin->w_viewport_invalid) {
     apply_autocmds(EVENT_SCROLL, NULL, NULL, false, curbuf);
-
-    curwin->w_last_topline = curwin->w_topline;
-    curwin->w_last_leftcol = curwin->w_leftcol;
   }
 
   if (curwin->w_p_cole > 0 && conceal_cursor_line(curwin)
diff --git a/src/nvim/normal.c b/src/nvim/normal.c
index 80ed9bd2b6..2e49108028 100644
--- a/src/nvim/normal.c
+++ b/src/nvim/normal.c
@@ -1197,13 +1197,8 @@ static void normal_check_window_scrolled(NormalState *s)
 {
   // Trigger Scroll if the window moved.
   if (!finish_op && has_event(EVENT_SCROLL)
-      && (curwin->w_last_topline != curwin->w_topline ||
-          curwin->w_last_leftcol != curwin->w_leftcol)) {
-
+      && curwin->w_viewport_invalid) {
     apply_autocmds(EVENT_SCROLL, NULL, NULL, false, curbuf);
-
-    curwin->w_last_topline = curwin->w_topline;
-    curwin->w_last_leftcol = curwin->w_leftcol;
   }
 }
 
@@ -1293,7 +1288,6 @@ static void normal_redraw(NormalState *s)
     xfree(p);
   }
 
-
   // show fileinfo after redraw
   if (need_fileinfo && !shortmess(SHM_FILEINFO)) {
     fileinfo(false, true, false);