patch 9.1.1944: getwininfo() does not return if statusline is visible

Problem:  gewininfo() does not return if statusline is visible
Solution: Add status_height to the dict items returned by
          getwininfo() (Hirohito Higashi)

closes: #18841

Signed-off-by: Hirohito Higashi <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/evalwindow.c

@@ -416,6 +416,7 @@ get_win_info(win_T *wp, short tpnr, short winnr)
     dict_add_number(dict, "winnr", winnr);
     dict_add_number(dict, "winid", wp->w_id);
     dict_add_number(dict, "height", wp->w_height);
+    dict_add_number(dict, "status_height", wp->w_status_height);
     dict_add_number(dict, "winrow", wp->w_winrow + 1);
     dict_add_number(dict, "topline", wp->w_topline);
     dict_add_number(dict, "botline", wp->w_botline - 1);

src/testdir/test_bufwintabinfo.vim

@@ -204,4 +204,26 @@ func Test_getwininfo_au()
   bwipe!
 endfunc
 
+func Test_getwininfo_status_height()
+  set laststatus=0
+  vsplit
+  let info = getwininfo(win_getid())[0]
+  call assert_equal(0, info.status_height)
+
+  set laststatus=2
+  let info = getwininfo(win_getid())[0]
+  call assert_equal(1, info.status_height)
+
+  set laststatus=1
+  only
+  let info = getwininfo(win_getid())[0]
+  call assert_equal(0, info.status_height)
+  vsplit
+  let info = getwininfo(win_getid())[0]
+  call assert_equal(1, info.status_height)
+
+  set laststatus&vim
+  bwipe!
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab

src/version.c

@@ -729,6 +729,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1944,
 /**/
     1943,
 /**/