patch 8.0.1364: there is no easy way to get the window position
Problem: There is no easy way to get the window position.
Solution: Add win_screenpos().
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 29b3de8..4d52467 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -2452,6 +2452,7 @@
win_gotoid({expr}) Number go to window with ID {expr}
win_id2tabwin({expr}) List get tab and window nr from window ID
win_id2win({expr}) Number get window nr from window ID
+win_screenpos({nr}) List get screen position of window {nr}
winbufnr({nr}) Number buffer number of window {nr}
wincol() Number window column of the cursor
winheight({nr}) Number height of window {nr}
@@ -8633,6 +8634,14 @@
Return the window number of window with ID {expr}.
Return 0 if the window cannot be found in the current tabpage.
+win_screenpos({nr}) *win_screenpos()*
+ Return the screen position of window {nr} as a list with two
+ numbers: [row, col]. The first window always has position
+ [1, 1].
+ {nr} can be the window number or the |window-ID|.
+ Return [0, 0] if the window cannot be found in the current
+ tabpage.
+
*winbufnr()*
winbufnr({nr}) The result is a Number, which is the number of the buffer
associated with window {nr}. {nr} can be the window number or