From 5a068f7578423c1f37556da0a8ffca79ec63fe03 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 2 Dec 2016 14:31:14 +0530
Subject: [PATCH] Do not scroll when using the alternate screen

---
 kitty/window.py | 30 ++++++++++++++++++------------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/kitty/window.py b/kitty/window.py
index c54f5a785..d679428e5 100644
--- a/kitty/window.py
+++ b/kitty/window.py
@@ -256,28 +256,34 @@ class Window:
             tm.queue_ui_action(tm.glfw_window.set_clipboard_string, text)
 
     def scroll_line_up(self):
-        self.char_grid.scroll('line', True)
-        glfw_post_empty_event()
+        if self.screen.is_main_linebuf():
+            self.char_grid.scroll('line', True)
+            glfw_post_empty_event()
 
     def scroll_line_down(self):
-        self.char_grid.scroll('line', False)
-        glfw_post_empty_event()
+        if self.screen.is_main_linebuf():
+            self.char_grid.scroll('line', False)
+            glfw_post_empty_event()
 
     def scroll_page_up(self):
-        self.char_grid.scroll('page', True)
-        glfw_post_empty_event()
+        if self.screen.is_main_linebuf():
+            self.char_grid.scroll('page', True)
+            glfw_post_empty_event()
 
     def scroll_page_down(self):
-        self.char_grid.scroll('page', False)
-        glfw_post_empty_event()
+        if self.screen.is_main_linebuf():
+            self.char_grid.scroll('page', False)
+            glfw_post_empty_event()
 
     def scroll_home(self):
-        self.char_grid.scroll('full', True)
-        glfw_post_empty_event()
+        if self.screen.is_main_linebuf():
+            self.char_grid.scroll('full', True)
+            glfw_post_empty_event()
 
     def scroll_end(self):
-        self.char_grid.scroll('full', False)
-        glfw_post_empty_event()
+        if self.screen.is_main_linebuf():
+            self.char_grid.scroll('full', False)
+            glfw_post_empty_event()
     # }}}
 
     def dump_commands(self, *a):  # {{{