diff --git a/ide/main.pp b/ide/main.pp
index b31f659ca9..3e9d878d22 100644
--- a/ide/main.pp
+++ b/ide/main.pp
@@ -593,7 +593,6 @@ type
     procedure OnAfterCodeToolBossApplyChanges(Manager: TCodeToolManager);
     function OnCodeToolBossSearchUsedUnit(const SrcFilename: string;
                      const TheUnitName, TheUnitInFilename: string): TCodeBuffer;
-    function OnCodeToolBossCheckAbort: boolean;
     procedure CodeToolBossGetVirtualDirectoryAlias(Sender: TObject;
                                                    var RealDir: string);
     procedure CodeToolBossGetVirtualDirectoryDefines(DefTree: TDefineTree;
@@ -903,10 +902,6 @@ type
     procedure AbortBuild; override;
 
     // useful frontend methods
-    procedure DoSwitchToFormSrc(var ActiveSourceEditor:TSourceEditor;
-      var ActiveUnitInfo:TUnitInfo);
-    procedure DoSwitchToFormSrc(ADesigner: TDesigner;
-      var ActiveSourceEditor:TSourceEditor; var ActiveUnitInfo:TUnitInfo);
     procedure UpdateCaption; override;
     procedure HideIDE; override;
     procedure HideUnmodifiedDesigners;
@@ -914,15 +909,7 @@ type
 
     // methods for codetools
     function InitCodeToolBoss: boolean;
-    procedure ActivateCodeToolAbortableMode;
     function BeginCodeTools: boolean; override;
-    function BeginCodeTool(var ActiveSrcEdit: TSourceEditor;
-                           out ActiveUnitInfo: TUnitInfo;
-                           Flags: TCodeToolsFlags): boolean;
-    function BeginCodeTool(ADesigner: TDesigner;
-                           var ActiveSrcEdit: TSourceEditor;
-                           out ActiveUnitInfo: TUnitInfo;
-                           Flags: TCodeToolsFlags): boolean;
     function DoJumpToSourcePosition(const Filename: string;
                                NewX, NewY, NewTopLine: integer;
                                Flags: TJumpToCodePosFlags = [jfFocusEditor]): TModalResult; override;
@@ -10364,15 +10351,6 @@ begin
   {$ENDIF}
 end;
 
-procedure TMainIDE.ActivateCodeToolAbortableMode;
-begin
-  if ToolStatus=itNone then
-    RaiseException('TMainIDE.ActivateCodeToolAbortableMode Error 1');
-  ToolStatus:=itCodeTools;
-  CodeToolBoss.OnCheckAbort:=@OnCodeToolBossCheckAbort;
-  CodeToolBoss.Abortable:=true;
-end;
-
 function TMainIDE.BeginCodeTools: boolean;
 var
   ActiveSrcEdit: TSourceEditor;
@@ -10464,14 +10442,6 @@ begin
   Result:=AnUnitInfo.Source;
 end;
 
-function TMainIDE.OnCodeToolBossCheckAbort: boolean;
-begin
-  Result:=true;
-  if ToolStatus<>itCodeTools then exit;
-  Application.ProcessMessages;
-  Result:=ToolStatus<>itCodeTools;
-end;
-
 procedure TMainIDE.CodeToolBossGetVirtualDirectoryAlias(Sender: TObject;
   var RealDir: string);
 begin
@@ -10699,67 +10669,6 @@ begin
   Result:=SourceFileMgr.SaveSourceEditorChangesToCodeCache(AEditor);
 end;
 
-function TMainIDE.BeginCodeTool(var ActiveSrcEdit: TSourceEditor;
-  out ActiveUnitInfo: TUnitInfo; Flags: TCodeToolsFlags): boolean;
-begin
-  Result:=BeginCodeTool(nil,ActiveSrcEdit,ActiveUnitInfo,Flags);
-end;
-
-function TMainIDE.BeginCodeTool(ADesigner: TDesigner;
-  var ActiveSrcEdit: TSourceEditor; out ActiveUnitInfo: TUnitInfo;
-  Flags: TCodeToolsFlags): boolean;
-begin
-  Result:=false;
-  if (ctfUseGivenSourceEditor in Flags) and (Project1<>nil) then begin
-    ActiveUnitInfo := Project1.EditorInfoWithEditorComponent(ActiveSrcEdit).UnitInfo;
-  end
-  else begin
-    ActiveSrcEdit:=nil;
-    ActiveUnitInfo:=nil;
-  end;
-
-  // check global stati
-  if (ToolStatus in [itCodeTools,itCodeToolAborting]) then begin
-    debugln('TMainIDE.BeginCodeTool impossible ',dbgs(ord(ToolStatus)));
-    exit;
-  end;
-  if (not (ctfSourceEditorNotNeeded in Flags)) and (SourceEditorManager.SourceEditorCount=0)
-  then begin
-    DebugLn('TMainIDE.BeginCodeTool no source editor');
-    exit;
-  end;
-
-  // check source editor
-  if not (ctfUseGivenSourceEditor in Flags) then begin
-    if ctfSwitchToFormSource in Flags then
-      DoSwitchToFormSrc(ADesigner,ActiveSrcEdit,ActiveUnitInfo)
-    else if ADesigner<>nil then
-      GetDesignerUnit(ADesigner,ActiveSrcEdit,ActiveUnitInfo)
-    else
-      GetCurrentUnit(ActiveSrcEdit,ActiveUnitInfo);
-  end;
-  if (not (ctfSourceEditorNotNeeded in Flags)) and
-     ((ActiveSrcEdit=nil) or (ActiveUnitInfo=nil))
-  then exit;
-
-  // init codetools
-  SaveSourceEditorChangesToCodeCache(nil);
-  if ActiveSrcEdit<>nil then begin
-    CodeToolBoss.VisibleEditorLines:=ActiveSrcEdit.EditorComponent.LinesInWindow;
-    CodeToolBoss.TabWidth:=ActiveSrcEdit.EditorComponent.TabWidth;
-    CodeToolBoss.IndentSize:=ActiveSrcEdit.EditorComponent.BlockIndent;
-  end else begin
-    CodeToolBoss.VisibleEditorLines:=25;
-    CodeToolBoss.TabWidth:=EditorOpts.TabWidth;
-    CodeToolBoss.IndentSize:=EditorOpts.BlockIndent;
-  end;
-
-  if ctfActivateAbortMode in Flags then
-    ActivateCodeToolAbortableMode;
-
-  Result:=true;
-end;
-
 function TMainIDE.DoJumpToSourcePosition(const Filename: string; NewX, NewY,
   NewTopLine: integer; Flags: TJumpToCodePosFlags = [jfFocusEditor]): TModalResult;
 var
@@ -13434,31 +13343,6 @@ begin
   Result := FOIHelpProvider;
 end;
 
-procedure TMainIDE.DoSwitchToFormSrc(var ActiveSourceEditor: TSourceEditor;
-  var ActiveUnitInfo: TUnitInfo);
-begin
-  DoSwitchToFormSrc(nil,ActiveSourceEditor,ActiveUnitInfo);
-end;
-
-procedure TMainIDE.DoSwitchToFormSrc(ADesigner: TDesigner;
-  var ActiveSourceEditor: TSourceEditor; var ActiveUnitInfo: TUnitInfo);
-begin
-  ActiveSourceEditor:=nil;
-  ActiveUnitInfo:=nil;
-  if (ADesigner<>nil) then
-    ActiveUnitInfo:=Project1.UnitWithComponent(ADesigner.LookupRoot)
-  else if (GlobalDesignHook.LookupRoot<>nil)
-  and (GlobalDesignHook.LookupRoot is TComponent) then
-    ActiveUnitInfo:=Project1.UnitWithComponent(TComponent(GlobalDesignHook.LookupRoot))
-  else
-    ActiveUnitInfo:=nil;
-  if (ActiveUnitInfo<>nil) and (ActiveUnitInfo.OpenEditorInfoCount > 0) then begin
-    ActiveSourceEditor := TSourceEditor(ActiveUnitInfo.OpenEditorInfo[0].EditorComponent);
-    SourceEditorManagerIntf.ActiveEditor := ActiveSourceEditor;
-    exit;
-  end;
-end;
-
 function TMainIDE.GetDesignerFormOfSource(AnUnitInfo: TUnitInfo; LoadForm: boolean
   ): TCustomForm;
 begin
diff --git a/ide/mainbase.pas b/ide/mainbase.pas
index 2448cc43fb..bf0123b125 100644
--- a/ide/mainbase.pas
+++ b/ide/mainbase.pas
@@ -142,11 +142,24 @@ type
     function GetMainBar: TComponent; override;
     procedure SetRecentProjectFilesMenu;
     procedure SetRecentFilesMenu;
+    function BeginCodeTool(var ActiveSrcEdit: TSourceEditor;
+                           out ActiveUnitInfo: TUnitInfo;
+                           Flags: TCodeToolsFlags): boolean;
+    function BeginCodeTool(ADesigner: TDesigner;
+                           var ActiveSrcEdit: TSourceEditor;
+                           out ActiveUnitInfo: TUnitInfo;
+                           Flags: TCodeToolsFlags): boolean;
+    procedure ActivateCodeToolAbortableMode;
+    function OnCodeToolBossCheckAbort: boolean;
+
+    procedure DoSwitchToFormSrc(var ActiveSourceEditor:TSourceEditor;
+      var ActiveUnitInfo:TUnitInfo);
+    procedure DoSwitchToFormSrc(ADesigner: TDesigner;
+      var ActiveSourceEditor:TSourceEditor; var ActiveUnitInfo:TUnitInfo);
 
     procedure GetUnitInfoForDesigner(ADesigner: TIDesigner;
                               out ActiveSourceEditor: TSourceEditorInterface;
                               out ActiveUnitInfo: TUnitInfo); override;
-
     procedure GetCurrentUnitInfo(out ActiveSourceEditor: TSourceEditorInterface;
                               out ActiveUnitInfo: TUnitInfo); override;
     procedure GetCurrentUnit(out ActiveSourceEditor: TSourceEditor;
@@ -304,6 +317,109 @@ begin
                    @mnuOpenRecentClicked);
 end;
 
+function TMainIDEBase.BeginCodeTool(var ActiveSrcEdit: TSourceEditor;
+  out ActiveUnitInfo: TUnitInfo; Flags: TCodeToolsFlags): boolean;
+begin
+  Result:=BeginCodeTool(nil,ActiveSrcEdit,ActiveUnitInfo,Flags);
+end;
+
+function TMainIDEBase.BeginCodeTool(ADesigner: TDesigner;
+  var ActiveSrcEdit: TSourceEditor; out ActiveUnitInfo: TUnitInfo;
+  Flags: TCodeToolsFlags): boolean;
+begin
+  Result:=false;
+  if (ctfUseGivenSourceEditor in Flags) and (Project1<>nil) then begin
+    ActiveUnitInfo := Project1.EditorInfoWithEditorComponent(ActiveSrcEdit).UnitInfo;
+  end
+  else begin
+    ActiveSrcEdit:=nil;
+    ActiveUnitInfo:=nil;
+  end;
+
+  // check global stati
+  if (ToolStatus in [itCodeTools,itCodeToolAborting]) then begin
+    debugln('TMainIDE.BeginCodeTool impossible ',dbgs(ord(ToolStatus)));
+    exit;
+  end;
+  if (not (ctfSourceEditorNotNeeded in Flags)) and (SourceEditorManager.SourceEditorCount=0)
+  then begin
+    DebugLn('TMainIDE.BeginCodeTool no source editor');
+    exit;
+  end;
+
+  // check source editor
+  if not (ctfUseGivenSourceEditor in Flags) then begin
+    if ctfSwitchToFormSource in Flags then
+      DoSwitchToFormSrc(ADesigner,ActiveSrcEdit,ActiveUnitInfo)
+    else if ADesigner<>nil then
+      GetDesignerUnit(ADesigner,ActiveSrcEdit,ActiveUnitInfo)
+    else
+      GetCurrentUnit(ActiveSrcEdit,ActiveUnitInfo);
+  end;
+  if (not (ctfSourceEditorNotNeeded in Flags)) and
+     ((ActiveSrcEdit=nil) or (ActiveUnitInfo=nil))
+  then exit;
+
+  // init codetools
+  SaveSourceEditorChangesToCodeCache(nil);
+  if ActiveSrcEdit<>nil then begin
+    CodeToolBoss.VisibleEditorLines:=ActiveSrcEdit.EditorComponent.LinesInWindow;
+    CodeToolBoss.TabWidth:=ActiveSrcEdit.EditorComponent.TabWidth;
+    CodeToolBoss.IndentSize:=ActiveSrcEdit.EditorComponent.BlockIndent;
+  end else begin
+    CodeToolBoss.VisibleEditorLines:=25;
+    CodeToolBoss.TabWidth:=EditorOpts.TabWidth;
+    CodeToolBoss.IndentSize:=EditorOpts.BlockIndent;
+  end;
+
+  if ctfActivateAbortMode in Flags then
+    ActivateCodeToolAbortableMode;
+
+  Result:=true;
+end;
+
+procedure TMainIDEBase.ActivateCodeToolAbortableMode;
+begin
+  if ToolStatus=itNone then
+    RaiseException('TMainIDEBase.ActivateCodeToolAbortableMode Error 1');
+  ToolStatus:=itCodeTools;
+  CodeToolBoss.OnCheckAbort:=@OnCodeToolBossCheckAbort;
+  CodeToolBoss.Abortable:=true;
+end;
+
+function TMainIDEBase.OnCodeToolBossCheckAbort: boolean;
+begin
+  Result:=true;
+  if ToolStatus<>itCodeTools then exit;
+  Application.ProcessMessages;
+  Result:=ToolStatus<>itCodeTools;
+end;
+
+procedure TMainIDEBase.DoSwitchToFormSrc(var ActiveSourceEditor: TSourceEditor;
+  var ActiveUnitInfo: TUnitInfo);
+begin
+  DoSwitchToFormSrc(nil,ActiveSourceEditor,ActiveUnitInfo);
+end;
+
+procedure TMainIDEBase.DoSwitchToFormSrc(ADesigner: TDesigner;
+  var ActiveSourceEditor: TSourceEditor; var ActiveUnitInfo: TUnitInfo);
+begin
+  ActiveSourceEditor:=nil;
+  ActiveUnitInfo:=nil;
+  if (ADesigner<>nil) then
+    ActiveUnitInfo:=Project1.UnitWithComponent(ADesigner.LookupRoot)
+  else if (GlobalDesignHook.LookupRoot<>nil)
+  and (GlobalDesignHook.LookupRoot is TComponent) then
+    ActiveUnitInfo:=Project1.UnitWithComponent(TComponent(GlobalDesignHook.LookupRoot))
+  else
+    ActiveUnitInfo:=nil;
+  if (ActiveUnitInfo<>nil) and (ActiveUnitInfo.OpenEditorInfoCount > 0) then begin
+    ActiveSourceEditor := TSourceEditor(ActiveUnitInfo.OpenEditorInfo[0].EditorComponent);
+    SourceEditorManagerIntf.ActiveEditor := ActiveSourceEditor;
+    exit;
+  end;
+end;
+
 procedure TMainIDEBase.DoMnuWindowClicked(Sender: TObject);
 begin
   UpdateWindowMenu(True);
diff --git a/ide/sourcefilemanager.pas b/ide/sourcefilemanager.pas
index 222b789938..f49a4526d6 100644
--- a/ide/sourcefilemanager.pas
+++ b/ide/sourcefilemanager.pas
@@ -1903,7 +1903,8 @@ begin
   {$IFDEF IDE_MEM_CHECK}CheckHeapWrtMemCnt('TLazSourceFileManager.CloseProject B');{$ENDIF}
   IncreaseCompilerParseStamp;
   // close Project
-  if ProjInspector<>nil then ProjInspector.LazProject:=nil;
+  if ProjInspector<>nil then
+    ProjInspector.LazProject:=nil;
   FreeThenNil(Project1);
   if IDEMessagesWindow<>nil then IDEMessagesWindow.Clear;
 
@@ -2857,7 +2858,7 @@ var
 begin
   Result:=mrOk;
   if (AnUnitInfo.Component=nil) then exit;
-  if not TMainIDE(MainIDE).BeginCodeTool(ActiveSrcEdit,ActiveUnitInfo,[]) then exit;
+  if not MainIDE.BeginCodeTool(ActiveSrcEdit,ActiveUnitInfo,[]) then exit;
   // unselect methods in ObjectInspector1
   if (ObjectInspector1<>nil)
   and (ObjectInspector1.PropertyEditorHook.LookupRoot=AnUnitInfo.Component) then
@@ -4962,7 +4963,7 @@ begin
     // set new project filename
     Project1.ProjectInfoFile:=NewLPIFilename;
     EnvironmentOptions.AddToRecentProjectFiles(NewLPIFilename);
-    TMainIDE(MainIDE).SetRecentProjectFilesMenu;
+    MainIDE.SetRecentProjectFilesMenu;
 
     // change main source
     if (Project1.MainUnitID >= 0) then