From 9fdb822c27e6eee7c3034161d3c893eefc1dc491 Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Sun, 27 Sep 2015 14:24:42 +0100
Subject: [PATCH] Add support for italic text attribute

---
 README.asciidoc      | 3 +++
 src/face.hh          | 3 ++-
 src/face_registry.cc | 1 +
 src/ncurses_ui.cc    | 3 +++
 4 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/README.asciidoc b/README.asciidoc
index 02c8c4d2..cf4708ee 100644
--- a/README.asciidoc
+++ b/README.asciidoc
@@ -781,6 +781,9 @@ attributes is a string of letters each defining an attributes:
  * `u`: Underline
  * `r`: Reverse
  * `b`: Bold
+ * `B`: Blink
+ * `d`: Dim
+ * `i`: Italic
 
 Using named faces instead of facespec permits to change the effective faces
 afterwards.
diff --git a/src/face.hh b/src/face.hh
index e650cd81..2540705e 100644
--- a/src/face.hh
+++ b/src/face.hh
@@ -14,7 +14,8 @@ enum class Attribute : int
     Reverse   = 1 << 2,
     Blink     = 1 << 3,
     Bold      = 1 << 4,
-    Dim       = 1 << 5
+    Dim       = 1 << 5,
+    Italic    = 1 << 6,
 };
 
 template<> struct WithBitOps<Attribute> : std::true_type {};
diff --git a/src/face_registry.cc b/src/face_registry.cc
index 5e42452d..96ae696f 100644
--- a/src/face_registry.cc
+++ b/src/face_registry.cc
@@ -28,6 +28,7 @@ static Face parse_face(StringView facedesc)
                 case 'b': res.attributes |= Attribute::Bold; break;
                 case 'B': res.attributes |= Attribute::Blink; break;
                 case 'd': res.attributes |= Attribute::Dim; break;
+                case 'i': res.attributes |= Attribute::Italic; break;
                 default: throw runtime_error(format("unknown face attribute '{}'", StringView{*attr_it}));
             }
         }
diff --git a/src/ncurses_ui.cc b/src/ncurses_ui.cc
index 9dfca1ad..0c9cc71a 100644
--- a/src/ncurses_ui.cc
+++ b/src/ncurses_ui.cc
@@ -241,6 +241,9 @@ void set_face(WINDOW* window, Face face, const Face& default_face)
     set_attribute(window, A_BLINK, face.attributes & Attribute::Blink);
     set_attribute(window, A_BOLD, face.attributes & Attribute::Bold);
     set_attribute(window, A_DIM, face.attributes & Attribute::Dim);
+    #if defined(A_ITALIC)
+    set_attribute(window, A_ITALIC, face.attributes & Attribute::Italic);
+    #endif
 }
 
 static sig_atomic_t resize_pending = 0;