From 7afbfb834936da2428d082babb3efe1c9f88fd66 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 2 Dec 2016 14:35:38 +0530
Subject: [PATCH] Reset scroll when toggling screen buffers

---
 kitty/screen.c  | 2 ++
 kitty/window.py | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/kitty/screen.c b/kitty/screen.c
index db449331c..d141fca36 100644
--- a/kitty/screen.c
+++ b/kitty/screen.c
@@ -331,6 +331,8 @@ void screen_toggle_screen_buffer(Screen *self) {
         self->linebuf = self->main_linebuf;
         self->tabstops = self->main_tabstops;
     }
+    PyObject_CallMethod(self->callbacks, "buf_toggled", "O", self->linebuf == self->main_linebuf ? Py_True : Py_False);
+    if (PyErr_Occurred()) { PyErr_Print(); PyErr_Clear(); }
     screen_restore_cursor(self);
     tracker_update_screen(self->change_tracker);
 }
diff --git a/kitty/window.py b/kitty/window.py
index d679428e5..23474fb0a 100644
--- a/kitty/window.py
+++ b/kitty/window.py
@@ -227,6 +227,9 @@ class Window:
                 k = key_map[GLFW_KEY_UP if upwards else GLFW_KEY_DOWN]
                 self.write_to_child(k * abs(s))
 
+    def buf_toggled(self, is_main_linebuf):
+        self.char_grid.scroll('full', False)
+
     # actions {{{
 
     def paste(self, text):