patch 8.1.0184: not easy to figure out the window layout

Problem:    Not easy to figure out the window layout.
Solution:   Add "wincol" and "winrow" to what getwininfo() returns.

runtime/doc/eval.txt

@@ -4994,8 +4994,10 @@ getwininfo([{winid}])					*getwininfo()*
 			variables	a reference to the dictionary with
 					window-local variables
 			width		window width
+			wincol		leftmost screen column of the window
 			winid		|window-ID|
 			winnr		window number
+			winrow		topmost screen column of the window
 
 		To obtain all window-local variables use: >
 			gettabwinvar({tabnr}, {winnr}, '&')

src/evalfunc.c

@@ -5648,10 +5648,12 @@ 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, "winrow", wp->w_winrow);
 #ifdef FEAT_MENU
     dict_add_number(dict, "winbar", wp->w_winbar_height);
 #endif
     dict_add_number(dict, "width", wp->w_width);
+    dict_add_number(dict, "wincol", wp->w_wincol);
     dict_add_number(dict, "bufnr", wp->w_buffer->b_fnum);
 
 #ifdef FEAT_TERMINAL

src/testdir/test_bufwintabinfo.vim

@@ -46,17 +46,34 @@ function Test_getbufwintabinfo()
     let w2_id = win_getid()
     tabnew | let w3_id = win_getid()
     new | let w4_id = win_getid()
-    new | let w5_id = win_getid()
+    vert new | let w5_id = win_getid()
     call setwinvar(0, 'signal', 'green')
     tabfirst
     let winlist = getwininfo()
     call assert_equal(5, len(winlist))
+    call assert_equal(winwidth(1), winlist[0].width)
+    call assert_equal(0, winlist[0].wincol)
+    call assert_equal(1, winlist[0].winrow)  " tabline adds one
+
     call assert_equal(winbufnr(2), winlist[1].bufnr)
     call assert_equal(winheight(2), winlist[1].height)
+    call assert_equal(0, winlist[1].wincol)
+    call assert_equal(winheight(1) + 2, winlist[1].winrow)
+
     call assert_equal(1, winlist[2].winnr)
+    call assert_equal(1, winlist[2].winrow)
+    call assert_equal(0, winlist[2].wincol)
+
+    call assert_equal(winlist[2].width + 1, winlist[3].wincol)
+    call assert_equal(0, winlist[4].wincol)
+
+    call assert_equal(1, winlist[0].tabnr)
+    call assert_equal(1, winlist[1].tabnr)
+    call assert_equal(2, winlist[2].tabnr)
     call assert_equal(2, winlist[3].tabnr)
+    call assert_equal(2, winlist[4].tabnr)
+
     call assert_equal('green', winlist[2].variables.signal)
-    call assert_equal(winwidth(1), winlist[0].width)
     call assert_equal(w4_id, winlist[3].winid)
     let winfo = getwininfo(w5_id)[0]
     call assert_equal(2, winfo.tabnr)

src/version.c

@@ -789,6 +789,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    184,
 /**/
     183,
 /**/