UI: forward 'mousefocus' option #12863

close #12849
ref eb4aab7173

src/nvim/option_defs.h

@@ -512,6 +512,7 @@ EXTERN long p_mle;              // 'modelineexpr'
 EXTERN long p_mls;              // 'modelines'
 EXTERN char_u   *p_mouse;       // 'mouse'
 EXTERN char_u   *p_mousem;      // 'mousemodel'
+EXTERN long p_mousef;           // 'mousefocus'
 EXTERN long p_mouset;           // 'mousetime'
 EXTERN int p_more;              // 'more'
 EXTERN char_u   *p_opfunc;      // 'operatorfunc'

src/nvim/options.lua

@@ -1588,7 +1588,8 @@ return {
       full_name='mousefocus', abbreviation='mousef',
       type='bool', scope={'global'},
       vi_def=true,
-      enable_if=false,
+      redraw={'ui_option'},
+      varname='p_mousef',
       defaults={if_true={vi=false}}
     },
     {