From d5e87e939388111c6125251d75bbc8998b9446e2 Mon Sep 17 00:00:00 2001
From: Pablo Ovelleiro Corral <pablo1@mailbox.org>
Date: Mon, 3 Dec 2018 17:52:04 +0100
Subject: [PATCH] add $crypto_chars to customise the index

Fixes #1469
---
 hdrline.c | 33 +++++++++++++++++++++++----------
 hdrline.h |  1 +
 init.h    | 13 +++++++++++++
 3 files changed, 37 insertions(+), 10 deletions(-)

diff --git a/hdrline.c b/hdrline.c
index 8699c8fda..c7bb18cbc 100644
--- a/hdrline.c
+++ b/hdrline.c
@@ -49,6 +49,7 @@
 #include "sort.h"
 
 /* These Config Variables are only used in hdrline.c */
+struct MbTable *CryptoChars; ///< Config: User-configurable crypto flags: signed, encrypted etc.
 struct MbTable *FlagChars; ///< Config: User-configurable index flags: tagged, new, etc
 struct MbTable *FromChars; ///< Config: User-configurable index flags: to address, cc address, etc
 struct MbTable *ToChars; ///< Config: Indicator characters for the 'To' field in the index
@@ -71,6 +72,18 @@ enum FlagChars
   FLAG_CHAR_ZEMPTY,         ///< Character denoting a read email, $index_format %Z expando
 };
 
+/**
+ * enum CryptoChars - Index into the CryptoChars variable ($crypto_chars)
+ */
+enum CryptoChars
+{
+  FLAG_CHAR_CRYPTO_GOOD_SIGN, ///< Character denoting a message signed with a verified key
+  FLAG_CHAR_CRYPTO_ENCRYPTED, ///< Character denoting a message is PGP-encrypted
+  FLAG_CHAR_CRYPTO_SIGNED,    ///< Character denoting a message is signed
+  FLAG_CHAR_CRYPTO_CONTAINS_KEY, ///< Character denoting a message contains a PGP key
+  FLAG_CHAR_CRYPTO_NO_CRYPTO, ///< Character denoting a message has no cryptography information
+};
+
 /**
  * mutt_is_mail_list - Is this the email address of a mailing list?
  * @param addr Address to test
@@ -1311,17 +1324,17 @@ static const char *index_format_str(char *buf, size_t buflen, size_t col, int co
       {
         const char *ch = NULL;
         if ((WithCrypto != 0) && (e->security & GOODSIGN))
-          ch = "S";
+          ch = get_nth_wchar(CryptoChars, FLAG_CHAR_CRYPTO_GOOD_SIGN);
         else if ((WithCrypto != 0) && (e->security & ENCRYPT))
-          ch = "P";
+          ch = get_nth_wchar(CryptoChars, FLAG_CHAR_CRYPTO_ENCRYPTED);
         else if ((WithCrypto != 0) && (e->security & SIGN))
-          ch = "s";
+          ch = get_nth_wchar(CryptoChars, FLAG_CHAR_CRYPTO_SIGNED);
         else if (((WithCrypto & APPLICATION_PGP) != 0) && ((e->security & PGP_KEY) == PGP_KEY))
         {
-          ch = "K";
+          ch = get_nth_wchar(CryptoChars, FLAG_CHAR_CRYPTO_CONTAINS_KEY);
         }
         else
-          ch = " ";
+          ch = get_nth_wchar(CryptoChars, FLAG_CHAR_CRYPTO_NO_CRYPTO);
 
         snprintf(tmp, sizeof(tmp), "%s", ch);
         src++;
@@ -1377,15 +1390,15 @@ static const char *index_format_str(char *buf, size_t buflen, size_t col, int co
       else if (e->attach_del)
         second = get_nth_wchar(FlagChars, FLAG_CHAR_DELETED_ATTACH);
       else if ((WithCrypto != 0) && (e->security & GOODSIGN))
-        second = "S";
+        second = get_nth_wchar(CryptoChars, FLAG_CHAR_CRYPTO_GOOD_SIGN);
       else if ((WithCrypto != 0) && (e->security & ENCRYPT))
-        second = "P";
+        second = get_nth_wchar(CryptoChars, FLAG_CHAR_CRYPTO_ENCRYPTED);
       else if ((WithCrypto != 0) && (e->security & SIGN))
-        second = "s";
+        second = get_nth_wchar(CryptoChars, FLAG_CHAR_CRYPTO_SIGNED);
       else if (((WithCrypto & APPLICATION_PGP) != 0) && (e->security & PGP_KEY))
-        second = "K";
+        second = get_nth_wchar(CryptoChars, FLAG_CHAR_CRYPTO_CONTAINS_KEY);
       else
-        second = " ";
+        second = get_nth_wchar(CryptoChars, FLAG_CHAR_CRYPTO_NO_CRYPTO);
 
       /* Tagged, flagged and recipient flag */
       const char *third = NULL;
diff --git a/hdrline.h b/hdrline.h
index 4bf4c8f71..00b40d6cf 100644
--- a/hdrline.h
+++ b/hdrline.h
@@ -32,6 +32,7 @@ struct Context;
 struct Email;
 
 /* These Config Variables are only used in hdrline.c */
+extern struct MbTable *CryptoChars;
 extern struct MbTable *FlagChars;
 extern struct MbTable *FromChars;
 extern struct MbTable *ToChars;
diff --git a/init.h b/init.h
index 643b2ab28..de94a0b8c 100644
--- a/init.h
+++ b/init.h
@@ -971,6 +971,19 @@ struct ConfigDef MuttVars[] = {
   ** .dt 11 .dd <space> .dd The mail is read - %Z expando.
   ** .de
   */
+  { "crypto_chars",       DT_MBTABLE,    R_BOTH, &CryptoChars, IP "SPsK " },
+  /*
+  ** .pp
+  ** Controls the characters used in cryptography flags.
+  ** .dl
+  ** .dt \fBCharacter\fP .dd \fBDefault\fP .dd \fBDescription\fP
+  ** .dt 1 .dd S .dd The mail is signed, and the signature is successfully verified.
+  ** .dt 2 .dd P .dd The mail is PGP encrypted.
+  ** .dt 3 .dd s .dd The mail is signed.
+  ** .dt 4 .dd K .dd The mail contains a PGP public key.
+  ** .dt 5 .dd <space> .dd The mail has no crypto info.
+  ** .de
+  */
   { "flag_safe", DT_BOOL, R_NONE, &FlagSafe, false },
   /*
   ** .pp
-- 
2.40.0