xterm: Add patch-scroll-{bottom,lock-{altscreen,scrollkey}}

1 files changed, 17 insertions, 0 deletions

diff --git a/usr/xsrc/external/mit/xterm/dist/patch-scroll-lock-altscreen b/usr/xsrc/external/mit/xterm/dist/patch-scroll-lock-altscreen
new file mode 100644
index 0000000..2091460
--- /dev/null
+++ b/usr/xsrc/external/mit/xterm/dist/patch-scroll-lock-altscreen
@@ -0,0 +1,17 @@
+$NetBSD$
+
+Disable Scroll Lock-specific behavior in the alternate screen.
+This makes visual programs like vi (that make use of the alternate
+screen) behave normally even if Scroll Lock is active.
+
+--- util.c.orig	2018-03-14 06:04:22.000000000 +0000
++++ util.c
+@@ -570,7 +570,7 @@ xtermScroll(XtermWidget xw, int amount)
+ 	amount = i;
+ 
+ #if OPT_SCROLL_LOCK
+-    if (screen->allowScrollLock && screen->scroll_lock) {
++    if (screen->allowScrollLock && screen->scroll_lock && !screen->whichBuf) {
+ 	refreshheight = 0;
+ 	screen->scroll_amt = 0;
+ 	screen->refresh_amt = 0;