From 06561d350036d972507dc155ee10dfa65f9d697e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20=22Tracerneo=22=20Zi=C3=B3=C5=82kowski?=
 <ziolkoneo@gmail.com>
Date: Fri, 28 Jun 2013 04:28:32 +0200
Subject: [PATCH] Add support for ECMA-48 escape sequence for italic

Closes #443
---
 src/terminal/terminalframebuffer.cc | 6 ++++--
 src/terminal/terminalframebuffer.h  | 4 ++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/terminal/terminalframebuffer.cc b/src/terminal/terminalframebuffer.cc
index 7eacb9c..dfd2d34 100644
--- a/src/terminal/terminalframebuffer.cc
+++ b/src/terminal/terminalframebuffer.cc
@@ -388,7 +388,7 @@ void DrawState::resize( int s_width, int s_height )
 }
 
 Renditions::Renditions( int s_background )
-  : bold( false ), underlined( false ), blink( false ),
+  : bold( false ), italic( false ), underlined( false ), blink( false ),
     inverse( false ), invisible( false ), foreground_color( 0 ),
     background_color( s_background )
 {}
@@ -397,7 +397,7 @@ Renditions::Renditions( int s_background )
 void Renditions::set_rendition( int num )
 {
   if ( num == 0 ) {
-    bold = underlined = blink = inverse = invisible = false;
+    bold = italic = underlined = blink = inverse = invisible = false;
     foreground_color = background_color = 0;
     return;
   }
@@ -426,6 +426,7 @@ void Renditions::set_rendition( int num )
 
   switch ( num ) {
   case 1: case 22: bold = (num == 1); break;
+  case 3: case 23: italic = (num == 3); break;
   case 4: case 24: underlined = (num == 4); break;
   case 5: case 25: blink = (num == 5); break;
   case 7: case 27: inverse = (num == 7); break;
@@ -453,6 +454,7 @@ std::string Renditions::sgr( void ) const
 
   ret.append( "\033[0" );
   if ( bold ) ret.append( ";1" );
+  if ( italic ) ret.append( ";3" );
   if ( underlined ) ret.append( ";4" );
   if ( blink ) ret.append( ";5" );
   if ( inverse ) ret.append( ";7" );
diff --git a/src/terminal/terminalframebuffer.h b/src/terminal/terminalframebuffer.h
index f0a395c..1d5d88a 100644
--- a/src/terminal/terminalframebuffer.h
+++ b/src/terminal/terminalframebuffer.h
@@ -44,7 +44,7 @@
 namespace Terminal {
   class Renditions {
   public:
-    bool bold, underlined, blink, inverse, invisible;
+    bool bold, italic, underlined, blink, inverse, invisible;
     int foreground_color;
     int background_color;
 
@@ -58,7 +58,7 @@ namespace Terminal {
 
     bool operator==( const Renditions &x ) const
     {
-      return (bold == x.bold) && (underlined == x.underlined)
+      return (bold == x.bold) && (italic == x.italic) && (underlined == x.underlined)
 	&& (blink == x.blink) && (inverse == x.inverse)
 	&& (invisible == x.invisible) && (foreground_color == x.foreground_color)
 	&& (background_color == x.background_color);