TextEditor: syntax color support.

Patch provided by Ricki Myers. Works quite obvious, see Theme editor too!

Notes about the provided code;
- The default syntax colors were screaming! Toned it down to match the
  default dark on lightgrey background better.
- Added: initializing colors in saved themes (usiblender.c)
- The implementation of the button for this option was quite clumsy...
  Blender UI options services this a lot easier.
  (Same fixed for 'line numbers' option)
- Bracket matching now uses as color a mix of backdrop and the
  selected-text color. Noticed my texteditor did it too...

-> I really miss comments in code describing a little bit the thought
   process behind the code. Like a short introduction on this feature
   in the top of the drawtext.c, little remarks on new functions.
   ALso in patch tracker or the mailinglist no docs was mentioned?

-> drawtext.c now gets messy quickly... lack of overview, structure,
   and confusing mix of personal coding styles.
   For not-active supported code dangerous...

1 files changed, 8 insertions, 3 deletions

diff --git a/source/blender/include/BIF_resources.h b/source/blender/include/BIF_resources.h
index 12418d32bb0..5a01276adbc 100644
--- a/source/blender/include/BIF_resources.h
+++ b/source/blender/include/BIF_resources.h
@@ -266,8 +266,8 @@ typedef enum {
 	ICON_PROP_OFF,
 	ICON_PROP_ON,
 	ICON_PROP_CON,
-	ICON_BLANK50,
-	ICON_BLANK51,
+	ICON_SYNTAX,
+	ICON_SYNTAX_OFF,
 	ICON_BLANK52,
 	ICON_BLANK53,
 	ICON_BLANK54,
@@ -429,7 +429,12 @@ enum {
 	TH_NORMAL,
 	TH_FACE_DOT,
 	TH_FACEDOT_SIZE,
-	TH_BRACKET
+
+	TH_SYNTAX_B,
+	TH_SYNTAX_V,
+	TH_SYNTAX_C,
+	TH_SYNTAX_L,
+	TH_SYNTAX_N
 	
 };
 /* XXX WARNING: previous is saved in file, so do not change order! */