From 5b07ca1dfde4d44a11e3052b552f48fe61034247 Mon Sep 17 00:00:00 2001
From: Jonathan de Boyne Pollard <postmaster@localhost>
Date: Mon, 22 May 2017 22:46:56 +0100
Subject: tui: Use what scrolling PuTTY has.

PuTTY does not implement DECLRMM or DECSLRM, but it does implement DECSTBM.
So allow using PuTTY terminal scrolling when the scroll rectangle is the
full width of the terminal.
---
 src/nvim/tui/tui.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/nvim/tui/tui.c b/src/nvim/tui/tui.c
index abe0e17d8a..23096725be 100644
--- a/src/nvim/tui/tui.c
+++ b/src/nvim/tui/tui.c
@@ -56,6 +56,7 @@ typedef enum TermType {
   kTermDTTerm,
   kTermXTerm,
   kTermTeraTerm,
+  kTermPuTTY,
 } TermType;
 
 typedef struct {
@@ -1172,6 +1173,9 @@ static TermType detect_term(const char *term, const char *colorterm)
   if (STARTS_WITH(term, "teraterm")) {
     return kTermTeraTerm;
   }
+  if (STARTS_WITH(term, "putty")) {
+    return kTermPuTTY;
+  }
   return kTermUnknown;
 }
 
@@ -1220,13 +1224,15 @@ static void fix_terminfo(TUIData *data)
     unibi_set_if_empty(ut, unibi_cursor_invisible, "\x1b[?25l");
     unibi_set_if_empty(ut, unibi_flash_screen, "\x1b[?5h$<100/>\x1b[?5l");
     unibi_set_if_empty(ut, unibi_exit_attribute_mode, "\x1b(B\x1b[m");
+    unibi_set_if_empty(ut, unibi_from_status_line, "\x07");
     unibi_set_if_empty(ut, unibi_set_tb_margin, "\x1b[%i%p1%d;%p2%dr");
     unibi_set_if_empty(ut, unibi_set_lr_margin, "\x1b[%i%p1%d;%p2%ds");
     unibi_set_if_empty(ut, unibi_set_left_margin_parm, "\x1b[%i%p1%ds");
     unibi_set_if_empty(ut, unibi_set_right_margin_parm, "\x1b[%i;%p2%ds");
+  }
+  if (data->term == kTermXTerm || data->term == kTermRxvt || data->term == kTermPuTTY) {
     unibi_set_if_empty(ut, unibi_change_scroll_region, "\x1b[%i%p1%d;%p2%dr");
     unibi_set_if_empty(ut, unibi_clear_screen, "\x1b[H\x1b[2J");
-    unibi_set_if_empty(ut, unibi_from_status_line, "\x07");
     unibi_set_bool(ut, unibi_back_color_erase, true);
   }
 
@@ -1271,7 +1277,7 @@ static void fix_terminfo(TUIData *data)
       "\x1b[8;%p1%d;%p2%dt");
   }
 
-  if (data->term == kTermXTerm || data->term == kTermRxvt) {
+  if (data->term == kTermXTerm || data->term == kTermRxvt || data->term == kTermPuTTY) {
     data->unibi_ext.reset_scroll_region = (int)unibi_add_ext_str(ut, NULL,
       "\x1b[r");
   }
-- 
cgit