blob: 050907cea435c7cf25bc0b26a353e5ab3b5b7cc2 [file] [log] [blame]
store visible lines to buffer before clearing the screen when pressing ctrl-l
patch by rlblaster
https://bbs.archlinux.org/viewtopic.php?id=129302
--- a/src/command.C
+++ b/src/command.C
@@ -2932,6 +2932,17 @@
case CSI_CUP: /* 8.3.21: (1,1) CURSOR POSITION */
case CSI_HVP: /* 8.3.64: (1,1) CHARACTER AND LINE POSITION */
+ if (nargs == 1 && current_screen == 0)
+ {
+ // This is usually followed with clear screen so add some extra
+ // lines to avoid deleting the lines already on screen. If we are
+ // already at the top, add an extra screen height of lines.
+ int extra_lines = nrow-1;
+ if (screen.cur.row == 0)
+ extra_lines += nrow;
+ for (int i = 0; i < extra_lines; ++i)
+ scr_add_lines (L"\r\n", 2);
+ }
scr_gotorc (arg[0] - 1, nargs < 2 ? 0 : (arg[1] - 1), 0);
break;