From f1210cea09c85c5c972d691d38b3b59f2cdbb15f Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sat, 25 Sep 2021 13:05:52 -0400
Subject: tk/text: Replace min_char, max_char with callback

---
(limited to 'src/menu.c')

diff --git a/src/menu.c b/src/menu.c
index c9509e5..c5087ee 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -50,6 +50,12 @@ struct _mf_menu {
 };
 
 static int
+_mf_menu_isdigit(void *user_data __attribute__((__unused__)), char c)
+{
+	return isdigit(c);
+}
+
+static int
 _mf_menu_seed(void *user_data, const char *seed)
 {
 	struct _mf_menu *menu = (struct _mf_menu *) user_data;
@@ -169,11 +175,11 @@ _mf_menu_form(SDL_Renderer *renderer, TTF_Font *text_font,
 	}
 
 	menu->seed_text = mftk_text_new('0', '9', rand_max_len, menu->seed_buf,
-			text_font, text_color, SDL_TRUE, &_mf_menu_seed,
-			&_mf_menu_play, menu);
+			text_font, text_color, SDL_TRUE, &_mf_menu_isdigit,
+			&_mf_menu_seed, &_mf_menu_play, menu);
 	menu->enemies_text = mftk_text_new('0', '9', 2, menu->enemies_buf,
-			text_font, text_color, SDL_TRUE, &_mf_menu_enemies,
-			&_mf_menu_play, menu);
+			text_font, text_color, SDL_TRUE, &_mf_menu_isdigit,
+			&_mf_menu_enemies, &_mf_menu_play, menu);
 	grid = mftk_grid_new(6, 2, MF_ROW_M, MF_COL_M,
 			mftk_label_new(text_font, "Seed", text_color, renderer),
 				MFTK_GRID_HALIGN_R|MFTK_GRID_VALIGN_T,
--
cgit v0.9.1