Add support for has("mouse_urxvt"), has("mouse_sgr"), and Fix a bug in ttymouse auto-recognization

vim-ttymouse-improvement.diff

diff -r 1052677493be src/eval.c
--- a/src/eval.c	Wed Sep 05 19:17:42 2012 +0200
+++ b/src/eval.c	Wed Sep 12 19:09:44 2012 +0900
@@ -12274,9 +12274,15 @@
 # ifdef FEAT_MOUSE_PTERM
 	"mouse_pterm",
 # endif
+# ifdef FEAT_MOUSE_SGR
+	"mouse_sgr",
+# endif
 # ifdef FEAT_SYSMOUSE
 	"mouse_sysmouse",
 # endif
+# ifdef FEAT_MOUSE_URXVT
+	"mouse_urxvt",
+# endif
 # ifdef FEAT_MOUSE_XTERM
 	"mouse_xterm",
 # endif
diff -r 1052677493be src/feature.h
--- a/src/feature.h	Wed Sep 05 19:17:42 2012 +0200
+++ b/src/feature.h	Wed Sep 12 19:09:44 2012 +0900
@@ -1038,8 +1038,10 @@
  * +mouse_gpm		Unix only: Include code for Linux console mouse
  *			handling.
  * +mouse_pterm		PTerm mouse support for QNX
+ * +mouse_sgr		Unix only: Include code for for SGR-styled mouse.
  * +mouse_sysmouse	Unix only: Include code for FreeBSD and DragonFly
  *			console mouse handling.
+ * +mouse_urxvt		Unix only: Include code for for urxvt mosue handling.
  * +mouse		Any mouse support (any of the above enabled).
  */
 /* OS/2 and Amiga console have no mouse support */
diff -r 1052677493be src/term.c
--- a/src/term.c	Wed Sep 05 19:17:42 2012 +0200
+++ b/src/term.c	Wed Sep 12 19:09:44 2012 +0900
@@ -4084,6 +4084,9 @@
 # ifdef TTYM_URXVT
 				&& ttym_flags != TTYM_URXVT
 # endif
+# ifdef TTYM_SGR
+				&& ttym_flags != TTYM_SGR
+# endif
 				)
 			    set_option_value((char_u *)"ttym", 0L,
 							  (char_u *)"sgr", 0);
@@ -4094,6 +4097,9 @@
 # ifdef TTYM_URXVT
 				&& ttym_flags != TTYM_URXVT
 # endif
+# ifdef TTYM_SGR
+				&& ttym_flags != TTYM_SGR
+# endif
 				)
 			    set_option_value((char_u *)"ttym", 0L,
 						       (char_u *)"xterm2", 0);