From 619988b2909f1e10cc1ceca229e1c83e695b5daa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?"Adri=C3=A1n=20Chaves=20Fern=C3=A1ndez=20(Gallaecio)"?=
 <adriyetichaves@gmail.com>
Date: Sat, 1 Dec 2012 17:08:49 +0100
Subject: [PATCH] An UTF-8 character is now used to represent the ASCII
 control characters whose functionality is not meant to be
 used.

---
 src/uisupport/uistyle.cpp | 52 ++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 45 insertions(+), 7 deletions(-)

diff --git a/src/uisupport/uistyle.cpp b/src/uisupport/uistyle.cpp
index 6bd8494..fac2ae2 100644
--- a/src/uisupport/uistyle.cpp
+++ b/src/uisupport/uistyle.cpp
@@ -563,13 +563,51 @@ QString UiStyle::mircToInternal(const QString &mirc_)
 {
     QString mirc = mirc_;
     mirc.replace('%', "%%");    // escape % just to be sure
-    mirc.replace('\t', "        ");    // tabs break layout, also this is italics in Konversation
-    mirc.replace('\x02', "%B");
-    mirc.replace('\x0f', "%O");
-    mirc.replace('\x12', "%R");
-    mirc.replace('\x16', "%R");
-    mirc.replace('\x1d', "%S");
-    mirc.replace('\x1f', "%U");
+
+    // ASCII Control Characters.
+    //
+    // There are some unicode characters reserved for representing control characters when it is necessary to print them
+    // rather than have them perform their intended function.
+    //
+    // So, for those that are not given a functionality, the UTF-8 character will be used instead.
+    //
+    // See: http://en.wikipedia.org/wiki/ASCII#ASCII_control_characters
+    //
+    // The null character, ‘\x00’, is never found in the string.
+    // The start of header, ‘\x01’, is never found in the string.
+    mirc.replace('\x02', "%B"); // Bold.
+    // ‘\x03’ will be managed later, for color stuff.
+    mirc.replace('\x04', QString::fromUtf8("␄"));
+    mirc.replace('\x05', QString::fromUtf8("␅"));
+    mirc.replace('\x06', QString::fromUtf8("␆"));
+    mirc.replace('\x07', QString::fromUtf8("␇"));
+    mirc.replace('\x08', QString::fromUtf8("␈"));
+    mirc.replace('\x09', "        "); // Tab, in spaces.
+    // No need to manage ‘\x0a’, line feeds end the message and write the following characters in another message.
+    mirc.replace('\x0b', QString::fromUtf8("␋"));
+    mirc.replace('\x0c', QString::fromUtf8("␌"));
+    // The carriage return, ‘\x0d’, is never found in the string.
+    mirc.replace('\x0d', QString::fromUtf8("␍"));
+    mirc.replace('\x0e', QString::fromUtf8("␎"));
+    mirc.replace('\x0f', "%O"); // ?
+    mirc.replace('\x10', QString::fromUtf8("␐"));
+    mirc.replace('\x11', QString::fromUtf8("␑"));
+    mirc.replace('\x12', "%R"); // ?
+    mirc.replace('\x13', QString::fromUtf8("␓"));
+    mirc.replace('\x14', QString::fromUtf8("␔"));
+    mirc.replace('\x15', QString::fromUtf8("␕"));
+    mirc.replace('\x16', "%R"); // ?
+    mirc.replace('\x17', QString::fromUtf8("␗"));
+    mirc.replace('\x18', QString::fromUtf8("␘"));
+    mirc.replace('\x19', QString::fromUtf8("␙"));
+    mirc.replace('\x1a', QString::fromUtf8("␚"));
+    mirc.replace('\x1b', QString::fromUtf8("␛"));
+    mirc.replace('\x1c', QString::fromUtf8("␜"));
+    mirc.replace('\x1d', "%S"); // Italics.
+    mirc.replace('\x1e', QString::fromUtf8("␞"));
+    mirc.replace('\x1f', "%U"); // Underlined.
+
+    mirc.replace('\x7f', QString::fromUtf8("␡"));
 
     // Now we bring the color codes (\x03) in a sane format that can be parsed more easily later.
     // %Dcfxx is foreground, %Dcbxx is background color, where xx is a 2 digit dec number denoting the color code.
-- 
1.8.0