Refactor inputwin.c

src/common.h

@@ -36,6 +36,13 @@
 #define COMMON_H
 
 #include <stdio.h>
+#include <wchar.h>
+
+#ifdef HAVE_NCURSESW_NCURSES_H
+#include <ncursesw/ncurses.h>
+#elif HAVE_NCURSES_H
+#include <ncurses.h>
+#endif
 
 #include <glib.h>
 
@@ -105,6 +112,7 @@ char * str_replace(const char *string, const char *substr,
     const char *replacement);
 int str_contains(const char str[], int size, char ch);
 int utf8_display_len(const char * const str);
+gboolean utf8_is_printable(const wint_t ch);
 char * prof_getline(FILE *stream);
 char* release_get_latest(void);
 gboolean release_is_new(char *found_version);