From 8b52102fa434b35d2797e59f7afe80a44acad21b Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Fri, 24 Dec 2021 01:04:41 -0500
Subject: tk/text: Replace min_char and max_char with allowed_chars

---
(limited to 'src/tk')

diff --git a/src/tk/text.c b/src/tk/text.c
index c96c924..644200b 100644
--- a/src/tk/text.c
+++ b/src/tk/text.c
@@ -28,8 +28,7 @@
 
 struct mftk_text {
 	struct mftk_widget   parent;
-	char                 min_char;
-	char                 max_char;
+	const char          *allowed_chars;
 	int                  len;
 	int                  cur;
 	int                  y;
@@ -307,7 +306,7 @@ _mftk_text_destroy(struct mftk_widget *w)
 }
 
 struct mftk_widget *
-mftk_text_new(char min_char, char max_char, int len, const char *val,
+mftk_text_new(const char *allowed_chars, int len, const char *val,
 		TTF_Font *font, int editable, int (*allowed)(void *, char),
 		int (*action)(void *, const char *), int (*submit)(void *),
 		void *user_data)
@@ -323,18 +322,17 @@ mftk_text_new(char min_char, char max_char, int len, const char *val,
 		mftk_widget_init(w, t, text);
 	}
 
-	t->min_char  = min_char;
-	t->max_char  = max_char;
-	t->len       = len;
-	t->font      = font;
-	t->line_skip = TTF_FontLineSkip(font);
-	t->ascent    = TTF_FontAscent  (font);
-	t->texture   = NULL;
-	t->editable  = editable;
-	t->allowed   = allowed;
-	t->action    = action;
-	t->submit    = submit;
-	t->user_data = user_data;
+	t->allowed_chars = allowed_chars;
+	t->len           = len;
+	t->font          = font;
+	t->line_skip     = TTF_FontLineSkip(font);
+	t->ascent        = TTF_FontAscent  (font);
+	t->texture       = NULL;
+	t->editable      = editable;
+	t->allowed       = allowed;
+	t->action        = action;
+	t->submit        = submit;
+	t->user_data     = user_data;
 
 	t->val = calloc(len + 1, sizeof(*t->val));
 	if (t->val == NULL) {
@@ -361,7 +359,7 @@ mftk_text_new(char min_char, char max_char, int len, const char *val,
 	memcpy(t->val, val, t->cur);
 
 	w->w = 0;
-	for (ch = min_char; ch <= max_char; ++ch) {
+	for (ch = allowed_chars[0]; ch != '\0'; ++ch) {
 		if (TTF_GlyphMetrics(font, ch, NULL, NULL, NULL, NULL, &advance)
 				< 0) {
 			SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
--
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