# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1670671803 -3600
# Node ID c3c8136ecfa0e9c9d16cd2ee4d84fa2532882d36
# Parent  8bfc443b5b00d406ec7d9b5830d7940206af2148
patch 9.0.1044: setting window height using Python may cause errors

Commit: https://github.com/vim/vim/commit/6c87bbb4e45515e70ac1728cabd1451063bf427d
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sat Dec 10 11:17:11 2022 +0000

    patch 9.0.1044: setting window height using Python may cause errors

    Problem:    Setting window height using Python may cause errors.
    Solution:   When setting "curwin" also set "curbuf". (closes https://github.com/vim/vim/issues/11687)

diff --git a/src/if_py_both.h b/src/if_py_both.h
--- a/src/if_py_both.h
+++ b/src/if_py_both.h
@@ -4081,10 +4081,12 @@ WindowSetattr(WindowObject *self, char *
 #endif
 	savewin = curwin;
 	curwin = self->win;
+	curbuf = curwin->w_buffer;
 
 	VimTryStart();
 	win_setheight((int) height);
 	curwin = savewin;
+	curbuf = curwin->w_buffer;
 	if (VimTryEnd())
 	    return -1;
 
@@ -4103,10 +4105,12 @@ WindowSetattr(WindowObject *self, char *
 #endif
 	savewin = curwin;
 	curwin = self->win;
+	curbuf = curwin->w_buffer;
 
 	VimTryStart();
 	win_setwidth((int) width);
 	curwin = savewin;
+	curbuf = curwin->w_buffer;
 	if (VimTryEnd())
 	    return -1;
 
diff --git a/src/testdir/test_python3.vim b/src/testdir/test_python3.vim
--- a/src/testdir/test_python3.vim
+++ b/src/testdir/test_python3.vim
@@ -540,6 +540,24 @@ func Test_python3_window()
   %bw!
 endfunc
 
+" This was causing trouble because "curbuf" was not matching curwin->w_buffer
+func Test_python3_window_set_height()
+  enew!
+  call setline(1, ['aaa', 'bbb', 'ccc'])
+  call cursor(2, 1)
+  set foldmethod=expr
+  new
+  wincmd w
+  python3 vim.windows[0].height = 5
+  call assert_equal(5, winheight(1))
+
+  call feedkeys('j', 'xt')
+  call assert_equal(3, getpos('.')[1])
+
+  bwipe!
+  bwipe!
+endfunc
+
 " Test for the python List object
 func Test_python3_list()
   " Try to convert a null List
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1044,
+/**/
     1043,
 /**/
     1042,