From 3f6008436d40129dcde5b36e962740d2c8078ca4 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Mon, 16 Jun 2008 23:15:26 +0000
Subject: [PATCH] Support for \ESC[%dS (scroll screen up).

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25982 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/apps/terminal/BasicTerminalBuffer.h | 2 +-
 src/apps/terminal/TermParse.cpp         | 7 +++++++
 src/apps/terminal/VTPrsTbl.c            | 2 +-
 src/apps/terminal/VTparse.h             | 2 ++
 4 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/apps/terminal/BasicTerminalBuffer.h b/src/apps/terminal/BasicTerminalBuffer.h
index d8a671b55d..2bbcfc2814 100644
--- a/src/apps/terminal/BasicTerminalBuffer.h
+++ b/src/apps/terminal/BasicTerminalBuffer.h
@@ -125,7 +125,7 @@ public:
 
 			// scroll region
 	inline	void				ScrollBy(int32 numLines);
-			void				SetScrollRegion(int32 top, int32 bot);
+			void				SetScrollRegion(int32 top, int32 bottom);
 
 protected:
 	virtual	void				NotifyListener();
diff --git a/src/apps/terminal/TermParse.cpp b/src/apps/terminal/TermParse.cpp
index 77be7e1e8b..e4b53610c7 100644
--- a/src/apps/terminal/TermParse.cpp
+++ b/src/apps/terminal/TermParse.cpp
@@ -944,6 +944,13 @@ TermParse::EscParse()
 					parsestate = groundtable;
 					break;
 
+				case CASE_SU:	// scroll screen up
+					if ((row = param[0]) < 1)
+						row = 1;
+					fBuffer->ScrollBy(row);
+					parsestate = groundtable;
+					break;
+
 				default:
 					break;
 		}
diff --git a/src/apps/terminal/VTPrsTbl.c b/src/apps/terminal/VTPrsTbl.c
index 8c3060f74e..a22999666b 100644
--- a/src/apps/terminal/VTPrsTbl.c
+++ b/src/apps/terminal/VTPrsTbl.c
@@ -1115,7 +1115,7 @@ CASE_GROUND_STATE,
 CASE_DCH,
 CASE_GROUND_STATE,
 CASE_GROUND_STATE,
-CASE_GROUND_STATE,
+CASE_SU,
 /*	T		U		V		W	*/
 CASE_GROUND_STATE,
 CASE_GROUND_STATE,
diff --git a/src/apps/terminal/VTparse.h b/src/apps/terminal/VTparse.h
index bb546949af..2621892bf2 100644
--- a/src/apps/terminal/VTparse.h
+++ b/src/apps/terminal/VTparse.h
@@ -119,3 +119,5 @@
 // additions, maybe reorder/reuse older ones ?
 #define CASE_VPA 87
 #define CASE_HPA 88
+
+#define CASE_SU 89	/* scroll screen up */