From: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Date: Sat, 17 Dec 2011 21:24:42 +0000 (+0100)
Subject: screen_utils: add function screen_get_yesno
X-Git-Tag: release-0.20~31
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=c5d994b0878ba509a0dff8d4b37dea7c69717fb2;p=ncmpc.git

screen_utils: add function screen_get_yesno
---

diff --git a/src/screen_utils.c b/src/screen_utils.c
index 1203a93..8889ac1 100644
--- a/src/screen_utils.c
+++ b/src/screen_utils.c
@@ -27,6 +27,7 @@
 #include "wreadln.h"
 
 #include <mpd/client.h>
+#include <ctype.h>
 
 void
 screen_bell(void)
@@ -66,6 +67,21 @@ screen_getch(const char *prompt)
 	return key;
 }
 
+bool
+screen_get_yesno(const char *prompt, bool def)
+{
+	/* NOTE: if one day a translator decides to use a multi-byte character
+	   for one of the yes/no keys, we'll have to parse it properly */
+
+	int key = tolower(screen_getch(prompt));
+	if (key == YES[0])
+		return true;
+	else if (key == NO[0])
+		return false;
+	else
+		return def;
+}
+
 char *
 screen_readln(const char *prompt,
 	      const char *value,
diff --git a/src/screen_utils.h b/src/screen_utils.h
index 1691e2b..c418142 100644
--- a/src/screen_utils.h
+++ b/src/screen_utils.h
@@ -32,6 +32,15 @@ void screen_bell(void);
 /* read a character from the status window */
 int screen_getch(const char *prompt);
 
+/**
+ * display a prompt, wait for the user to press a key, and compare it with
+ * the default keys for "yes" and "no" (and their upper-case pendants).
+ *
+ * @returns true, if the user pressed the key for "yes"; false, if the user
+ *	    pressed the key for "no"; def otherwise
+ */
+bool screen_get_yesno(const char *prompt, bool def);
+
 char *
 screen_read_password(const char *prompt);