patch 8.1.2399: info popup on top of cursor if it doesn't fit

Problem:    Info popup on top of cursor if it doesn't fit.
Solution:   Hide the popup if it doesn't fit.

src/popupmenu.c

@@ -661,6 +661,12 @@ pum_position_info_popup(win_T *wp)
 	// align with the selected item
 	row += pum_selected - pum_first + 1;
 
+    wp->w_popup_flags &= ~POPF_HIDDEN;
+    if (wp->w_maxwidth < 10)
+	// The popup is not going to fit or will overlap with the cursor
+	// position, hide the popup.
+	wp->w_popup_flags |= POPF_HIDDEN;
+    else
 	popup_set_wantpos_rowcol(wp, row, col);
 }
 #endif

src/testdir/dumps/Test_popupwin_infopopup_wide_1.dump

@@ -0,0 +1,8 @@
+|s+0&#ffffff0|c|r|a|p> @69
+|s+0#0000001#e0e0e08|c|r|a|p| @5|s|o|m|e| |l|o|n|g| |t|e|x|t| |t|o| |m|a|k|e| |s|u|r|e| |t|h|e| |m|e|n|u| |t|a|k|e|s| |u|p| |a|l@1| |o|f| |t|h|e| |w|i|d|t|h| |o
+|s+0&#ffd7ff255|c|a|p@1|i|e|r| @2|s|o|m|e| |l|o|n|g| |t|e|x|t| |t|o| |m|a|k|e| |s|u|r|e| |t|h|e| |m|e|n|u| |t|a|k|e|s| |u|p| |a|l@1| |o|f| |t|h|e| |w|i|d|t|h| |o
+|s|c|r|a|p@1|i|e|r|2| |s|o|m|e| |l|o|n|g| |t|e|x|t| |t|o| |m|a|k|e| |s|u|r|e| |t|h|e| |m|e|n|u| |t|a|k|e|s| |u|p| |a|l@1| |o|f| |t|h|e| |w|i|d|t|h| |o
+|4+0#0000000#ffffff0| @73
+|5| @73
+|6| @73
+|-+2&&@1| |O|m|n|i| |c|o|m|p|l|e|t|i|o|n| |(|^|O|^|N|^|P|)| |m+0#00e0003&|a|t|c|h| |1| |o|f| |3| +0#0000000&@34

src/testdir/test_popupwin.vim

@@ -2982,6 +2982,58 @@ func Test_popupmenu_info_hidden()
   call delete('XtestInfoPopupHidden')
 endfunc
 
+func Test_popupmenu_info_too_wide()
+  CheckScreendump
+  CheckFeature quickfix
+
+  let lines =<< trim END
+    call setline(1, range(10))
+
+    set completeopt+=preview,popup
+    set completepopup=align:menu
+    set omnifunc=OmniFunc
+    hi InfoPopup ctermbg=lightgrey
+
+    func OmniFunc(findstart, base)
+      if a:findstart
+        return 0
+      endif
+
+      let menuText = 'some long text to make sure the menu takes up all of the width of the window'
+      return #{
+    	\ words: [
+    	  \ #{
+    	    \ word: 'scrap',
+    	    \ menu: menuText,
+    	    \ info: "other words are\ncooler than this and some more text\nto make wrap",
+    	  \ },
+    	  \ #{
+    	    \ word: 'scappier',
+    	    \ menu: menuText,
+    	    \ info: 'words are cool',
+    	  \ },
+    	  \ #{
+    	    \ word: 'scrappier2',
+    	    \ menu: menuText,
+    	    \ info: 'words are cool',
+    	  \ },
+    	\ ]
+     \ }
+    endfunc
+  END
+
+  call writefile(lines, 'XtestInfoPopupWide')
+  let buf = RunVimInTerminal('-S XtestInfoPopupWide', #{rows: 8})
+  call term_wait(buf, 50)
+
+  call term_sendkeys(buf, "Ascr\<C-X>\<C-O>")
+  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_wide_1', {})
+
+  call term_sendkeys(buf, "\<Esc>")
+  call StopVimInTerminal(buf)
+  call delete('XtestInfoPopupWide')
+endfunc
+
 func Test_popupwin_recycle_bnr()
   let bufnr = popup_notification('nothing wrong', {})->winbufnr()
   call popup_clear()

src/version.c

@@ -742,6 +742,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2399,
 /**/
     2398,
 /**/