Return to normal mode shouldn't move caret past start of line. Fixes #230

Author: nosami

XSVim.Tests/MiscTests.fs

@@ -76,6 +76,10 @@ module ``Miscellaneous tests`` =
     let ``<C-[> escapes``() =
         assertText "    abc$" "i<C-[>" "    ab$c"
 
+    [<Test>]
+    let ``Return to normal mode doesn't move past start of line``() =
+        assertText "abc\nd$ef" "i<esc>" "abc\nd$ef"
+
     [<Test>]
     let ``dot repeats at start of line``() =
         assertText 

XSVim/Properties/AssemblyInfo.fs

@@ -5,7 +5,7 @@ open System.Runtime.CompilerServices
 [<AutoOpen>]
 module AddinVersion =
     [<Literal>]
-    let version = "0.60.5"
+    let version = "0.60.6"
 
 [<assembly: AssemblyTitle("XSVim")>]
 // The assembly version has the format {Major}.{Minor}.{Build}.{Revision}

XSVim/XSVim.fs

@@ -741,7 +741,7 @@ module Vim =
         // https://github.com/mono/monodevelop/blob/fdbfbe89529bd9076e1906e7b70fdb51a9ae6b99/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor.Extension/CompletionTextEditorExtension.cs#L153
         if editor.SelectionMode = SelectionMode.Normal then EditActions.ToggleBlockSelectionMode editor
         vimState.undoGroup |> Option.iter(fun d -> d.Dispose())
-        if vimState.mode = InsertMode then
+        if vimState.mode = InsertMode && editor.CaretColumn > 1 then
             EditActions.MoveCaretLeft editor
         { vimState with mode = NormalMode; lastSelection = lastSelection; undoGroup = None; statusMessage = None }