Changed the Ctrl-L behavior: The current screen is now scrolled up completely

instead of actually clearing it, so that it is still in the history.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32398 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/terminal/BasicTerminalBuffer.cpp

@@ -709,6 +709,14 @@ BasicTerminalBuffer::EraseBelow()
 }
 
 
+void
+BasicTerminalBuffer::EraseAll()
+{
+	fSoftWrappedCursor = false;
+	_Scroll(fScrollTop, fScrollBottom, fHeight);
+}
+
+
 void
 BasicTerminalBuffer::DeleteChars(int32 numChars)
 {

src/apps/terminal/BasicTerminalBuffer.h

@@ -114,6 +114,7 @@ public:
 			void				EraseChars(int32 numChars);
 			void				EraseAbove();
 			void				EraseBelow();
+			void				EraseAll();
 			void				DeleteChars(int32 numChars);
 			void				DeleteColumns();
 			void				DeleteLines(int32 numLines);

src/apps/terminal/TermParse.cpp

@@ -640,8 +640,7 @@ TermParse::EscParse()
 						break;
 
 					case 2:
-						fBuffer->EraseBelow();
-						fBuffer->EraseAbove();
+						fBuffer->EraseAll();
 						break;
 				}
 				parsestate = groundtable;