vim-patch:7.4.2109 (#5518)

vim-patch:7.4.2109

Problem:    Setting 'display' to "lastline" is a drastic change, while
            omitting it results in lots of "@" lines.
Solution:   Add "truncate" to show "@@@" for a truncated line.

https://github.com/vim/vim/commit/ad9c2a08f0509294269a2f11a59a438b944bdd5a

1 files changed, 15 insertions, 5 deletions

diff --git a/src/nvim/screen.c b/src/nvim/screen.c
index 47dd640e59..3e4d016fe7 100644
--- a/src/nvim/screen.c
+++ b/src/nvim/screen.c
@@ -1401,7 +1401,7 @@ static void win_update(win_T *wp)
                  && wp->w_lines[idx].wl_valid
                  && wp->w_lines[idx].wl_lnum == lnum
                  && lnum > wp->w_topline
-                 && !(dy_flags & DY_LASTLINE)
+                 && !(dy_flags & (DY_LASTLINE | DY_TRUNCATE))
                  && srow + wp->w_lines[idx].wl_size > wp->w_height
                  && diff_check_fill(wp, lnum) == 0
                  ) {
@@ -1484,10 +1484,20 @@ static void win_update(win_T *wp)
       /* Window ends in filler lines. */
       wp->w_botline = lnum;
       wp->w_filler_rows = wp->w_height - srow;
-    } else if (dy_flags & DY_LASTLINE) {      /* 'display' has "lastline" */
-      /*
-       * Last line isn't finished: Display "@@@" at the end.
-       */
+    } else if (dy_flags & DY_TRUNCATE) {      // 'display' has "truncate"
+      int scr_row = wp->w_winrow + wp->w_height - 1;
+
+      // Last line isn't finished: Display "@@@" in the last screen line.
+      screen_puts_len((char_u *)"@@", 2, scr_row, wp->w_wincol,
+                      hl_attr(HLF_AT));
+
+      screen_fill(scr_row, scr_row + 1,
+                  (int)wp->w_wincol + 2, (int)W_ENDCOL(wp),
+                  '@', ' ', hl_attr(HLF_AT));
+      set_empty_rows(wp, srow);
+      wp->w_botline = lnum;
+    } else if (dy_flags & DY_LASTLINE) {      // 'display' has "lastline"
+      // Last line isn't finished: Display "@@@" at the end.
       screen_fill(wp->w_winrow + wp->w_height - 1,
                   wp->w_winrow + wp->w_height,
                   W_ENDCOL(wp) - 3, W_ENDCOL(wp),