add the ICELifetimeManager service and use it to close #310

src/ce_interfaces.pas

@@ -236,6 +236,20 @@ type
     amcAutoCompile  // same as amcAutoEdit or amcAutoProj but set by the ICEMessagesDisplay according to what's being compiled.
   );
 
+  TLifetimeStatus = (
+    lfsLoading,  // IDE is not ready yet, other services might be nil
+    lfsLoaded,   // IDE is 100% working
+    lfsExiting  // IDE is quiting, other services will be nil
+  );
+
+  (**
+   * Single service providing information about the IDE liftetime
+   *)
+  ICELifetimeManager = interface(ICESingleService)
+    function getLifetimeStatus: TLifetimeStatus;
+    function asObject: TObject;
+  end;
+
   (**
    * Single service provided by the messages widget.
    *)
@@ -453,6 +467,7 @@ type
   function getCompilerSelector: ICECompilerSelector; inline;
   function getMainMenu: ICEMainMenu; inline;
   function getCodeFormatting: ICECodeFormatting; inline;
+  function getLifeTimeManager: ICELifetimeManager; inline;
 
 implementation
 
@@ -612,6 +627,11 @@ function getCodeFormatting: ICECodeFormatting; inline;
 begin
   exit(EntitiesConnector.getSingleService('ICECodeFormatting') as ICECodeFormatting);
 end;
+
+function getLifeTimeManager: ICELifetimeManager; inline;
+begin
+  exit(EntitiesConnector.getSingleService('ICELifetimeManager') as ICELifetimeManager);
+end;
 {$ENDREGION}
 
 function usingCompilerInfo(value: DCompiler): string;

src/ce_main.lfm

@@ -1472,7 +1472,6 @@ object CEMainForm: TCEMainForm
   OnResize = FormResize
   OnWindowStateChange = FormWindowStateChange
   ShowHint = True
-  LCLVersion = '1.8.2.0'
   Visible = False
   object mainMenu: TMainMenu
     top = 1

src/ce_main.pas

@@ -22,6 +22,17 @@ type
 
   TCEApplicationOptions = class;
 
+  TCELifetimeProvider = class(ICELifetimeManager)
+  strict private
+    fStatus: TLifetimeStatus;
+    function singleServiceName: string;
+    function getLifetimeStatus: TLifetimeStatus;
+    function asObject: TObject;
+  public
+    constructor create;
+    property lifetimeStatus: TLifetimeStatus read fStatus write fStatus;
+  end;
+
   TAsyncWait = (awNo, awYes, awCustom);
 
   TRunnableToFolderCondition = (
@@ -415,6 +426,7 @@ type
     fAppliOpts: TCEApplicationOptions;
     fProjActionsLock: boolean;
     fCompilerSelector: ICECompilerSelector;
+    fLifeTimeStatusProvider: TCELifetimeProvider;
     procedure updateFloatingWidgetOnTop(onTop: boolean);
     procedure widgetDockingChanged(sender: TCEWidget; newState: TWidgetDockingState);
     procedure mnuOptsItemClick(sender: TObject);
@@ -1105,6 +1117,28 @@ begin
 end;
 {$ENDREGION}
 
+{$REGION Lifetime}
+constructor TCELifetimeProvider.create;
+begin
+  EntitiesConnector.addSingleService(self);
+end;
+
+function TCELifetimeProvider.singleServiceName: string;
+begin
+  result := 'ICELifetimeManager';
+end;
+
+function TCELifetimeProvider.getLifetimeStatus: TLifetimeStatus;
+begin
+  result := fStatus;
+end;
+
+function TCELifetimeProvider.asObject: TObject;
+begin
+  result := self;
+end;
+{$ENDREGION}
+
 {$REGION Actions shortcuts -----------------------------------------------------}
 constructor TCEPersistentMainShortcuts.create(aOwner: TComponent);
 begin
@@ -1194,6 +1228,10 @@ end;
 {$REGION Standard Comp/Obj------------------------------------------------------}
 constructor TCEMainForm.create(aOwner: TComponent);
 begin
+  fLifeTimeStatusProvider := TCELifetimeProvider.create;
+  fLifeTimeStatusProvider.lifetimeStatus:=lfsLoading;
+
+
   inherited create(aOwner);
 
   // provide defaults, necessary because not handled by docking.xml
@@ -2025,6 +2063,8 @@ begin
           OpenURL(url);
     end;
   end;
+
+  fLifeTimeStatusProvider.lifetimeStatus := lfsLoaded;
 end;
 
 procedure TCEMainForm.FormClose(Sender: TObject; var CloseAction: TCloseAction);
@@ -2081,6 +2121,7 @@ begin
   fOptionCategories.Free;
   EntitiesConnector.removeObserver(self);
   inherited;
+  fLifeTimeStatusProvider.free;
 end;
 
 procedure TCEMainForm.UpdateDockCaption(Exclude: TControl = nil);
@@ -2208,7 +2249,7 @@ begin
       free;
     end;
   end;
-
+  fLifeTimeStatusProvider.lifetimeStatus:=lfsExiting;
   SaveLastDocsAndProj;
   CanClose:= true;
   fProjectGroup.closeGroup;

src/ce_synmemo.pas

@@ -166,9 +166,13 @@ type
     procedure goToLine(value: integer);
   end;
 
+  { TCESynMemo }
+
   TCESynMemo = class(TSynEdit, ICEDebugObserver)
   private
     //fIndentGuideMarkup: TSynEditMarkupFoldColors;
+    fLifeTimeManager: TObject;
+    fIdentDialShown: boolean;
     fScrollMemo: TCEScrollMemo;
     fFilename: string;
     fDastWorxExename: string;
@@ -288,6 +292,7 @@ type
     procedure debugQueryBreakPoint(const line: integer; out fname: string; out kind: TBreakPointKind);
     procedure debugBreak(const fname: string; line: integer; reason: TCEDebugBreakReason);
     function breakPointsCount: integer;
+    procedure tryToPatchMixedIndentation;
   protected
     procedure DoEnter; override;
     procedure DoExit; override;
@@ -899,11 +904,16 @@ end;
 constructor TCESynMemo.Create(aOwner: TComponent);
 var
   z: TIconScaledSize;
+  i: ICELifetimeManager;
 begin
   inherited;
 
   fScrollMemo := TCEScrollMemo.construct(self);
 
+  i := getLifeTimeManager();
+  if (i <> nil) then
+    fLifeTimeManager := i.asObject;
+
   OnShowHint:= @showHintEvent;
   OnStatusChange:= @handleStatusChanged;
   fDefaultFontSize := 10;
@@ -1120,9 +1130,9 @@ end;
 procedure TCESynMemo.setFocus;
 begin
   inherited;
-  //checkFileDate;
   highlightCurrentIdentifier;
   subjDocFocused(TCEMultiDocSubject(fMultiDocSubject), self);
+  tryToPatchMixedIndentation;
 end;
 
 procedure TCESynMemo.showPage;
@@ -2997,35 +3007,7 @@ begin
     loadCache;
     fCacheLoaded := true;
   end;
-  case indentationMode() of
-    imTabs:
-      if detectIndentMode then
-        Options:= Options - [eoTabsToSpaces];
-    imSpaces:
-      if detectIndentMode then
-        Options:= Options + [eoTabsToSpaces];
-    imMixed:
-      if (isDSource or alwaysAdvancedFeatures) and
-        (dlgYesNo('Mixed indentation style detected, ' +
-        'do you wish to convert to a single mode ?') = mrYes) then
-      with TMixedIndetationDialog.construct() do
-      try
-      case ShowModal of
-        10:
-        begin
-          forceIndentation(imTabs, TMixedIndetationDialog.fSpacesPerTab);
-          Options:= Options - [eoTabsToSpaces];
-        end;
-        11:
-        begin
-          forceIndentation(imSpaces, TMixedIndetationDialog.fSpacesPerTab);
-          Options:= Options + [eoTabsToSpaces];
-        end;
-      end;
-      finally
-        free;
-      end;
-  end;
+
   subjDocChanged(TCEMultiDocSubject(fMultiDocSubject), self);
   fCanDscan := true;
 end;
@@ -3494,6 +3476,45 @@ begin
     result += byte(marks[i].ImageIndex = integer(giBreakSet));
 end;
 
+procedure TCESynMemo.tryToPatchMixedIndentation;
+begin
+  if fLifeTimeManager.isNotNil and not fIdentDialShown and
+    ((fLifeTimeManager as ICELifetimeManager).getLifetimeStatus = lfsLoaded)
+      then
+  begin
+    fIdentDialShown := true;
+    case indentationMode() of
+      imTabs:
+        if detectIndentMode then
+          Options:= Options - [eoTabsToSpaces];
+      imSpaces:
+        if detectIndentMode then
+          Options:= Options + [eoTabsToSpaces];
+      imMixed:
+        if (isDSource or alwaysAdvancedFeatures) and
+          (dlgYesNo('Mixed indentation style detected, ' +
+          'do you wish to convert to a single mode ?') = mrYes) then
+        with TMixedIndetationDialog.construct() do
+        try
+        case ShowModal of
+          10:
+          begin
+            forceIndentation(imTabs, TMixedIndetationDialog.fSpacesPerTab);
+            Options:= Options - [eoTabsToSpaces];
+          end;
+          11:
+          begin
+            forceIndentation(imSpaces, TMixedIndetationDialog.fSpacesPerTab);
+            Options:= Options + [eoTabsToSpaces];
+          end;
+        end;
+        finally
+          free;
+        end;
+    end;
+  end;
+end;
+
 procedure TCESynMemo.addBreakPoint(line: integer);
 begin
   if findBreakPoint(line) then