From f35b659ce980083ddbde6fee13ed208478859f80 Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Sun, 9 Jun 2019 20:06:03 +0200
Subject: [PATCH] fix double keystokes with SDL2

tested with both keyboard input and Virtual Keyboard

see http://pulkomandy.tk/projects/GrafX2/ticket/135
---
 src/readline.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/readline.c b/src/readline.c
index b20f0d69..775f3459 100644
--- a/src/readline.c
+++ b/src/readline.c
@@ -1152,7 +1152,13 @@ byte Readline_ex_unicode(word x_pos, word y_pos, char * str, word * str_unicode,
         }
         break;
       default :
+        // SDL2 keystrokes are reported through both Key_Text and
+        // Key_ANSI / Key_UNICODE
+#if defined(USE_SDL2)
+        if (use_virtual_keyboard && size<max_size && input_char != 0)
+#else
         if (size<max_size && input_char != 0)
+#endif
         {
           // Si la touche était autorisée...
           byte is_authorized = Valid_character(input_char, input_type);