Aaiu, cursor position

botanjs/src/Components/Vim/Actions/INSERT.js

@@ -27,12 +27,24 @@
 		/** @type {Components.Vim.Cursor} */
 		this.__cursor = Cursor;
 
-		this.__startX = Cursor.aPos;
+		this.__startState = this.__saveCur();
 
 		// Initialize this stack
 		this.__rec( "", true );
 	};
 
+	INSERT.prototype.__saveCur = function()
+	{
+		var c = this.__cursor;
+		return {
+			p: c.P
+			, x: c.X
+			, y: c.Y
+			, px: c.feeder.panX
+			, py: c.feeder.panY
+		};
+	}
+
 	INSERT.prototype.dispose = function()
 	{
 		this.__cursor.moveX( -1 );
@@ -46,8 +58,11 @@
 		var insertLength = this.__insertLength;
 		var contentUndo = this.__contentUndo;
 		var startPos = this.__startPosition;
-		var startX = this.__startX;
+		var sSt = this.__startState;
+		var eSt = this.__saveCur();
 
+		var st = sSt;
+		// Calling this repeatedly will swap between UNDO / REDO state
 		return function() {
 			var contentRedo = feeder.content.substr( startPos, insertLength );
 			feeder.content =
@@ -57,7 +72,15 @@
 			insertLength = contentUndo.length;
 			contentUndo = contentRedo;
 
+			cur.P = st.p;
+			cur.X = st.x;
+			cur.Y = st.y;
+			feeder.panX = st.px;
+			feeder.panY = st.py;
+
 			feeder.pan();
+
+			st = ( st == sSt ) ? eSt : sSt;
 		};
 	};
 
@@ -168,7 +191,15 @@
 
 		this.__rec( inputChar );
 
-		cur.moveX( 1 );
+		if( inputChar == "\n" )
+		{
+			cur.moveY( 1 );
+			cur.lineStart();
+		}
+		else
+		{
+			cur.moveX( 1 );
+		}
 	};
 
 	INSERT.prototype.getMessage = function()