TextEditor: Move toolbar widgets from *Editor to *Widget

Lifetime is coupled to the widgets, not the editor.

Change-Id: I01560bbdd6c399376d3a4184f0eb83e4153f830e
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/texteditor/basetexteditor.h

@@ -143,9 +143,6 @@ public:
     bool restoreState(const QByteArray &state);
     QWidget *toolBar();
 
-    enum Side { Left, Right };
-    void insertExtraToolBarWidget(Side side, QWidget *widget);
-
     QString contextHelpId() const; // from IContext
 
     int currentLine() const;
@@ -192,8 +189,6 @@ public:
     // There should be something simpler.
     void setCompletionAssistProvider(const std::function<CompletionAssistProvider *()> &provider);
 
-    QObject *fileEncodingLabel() const; // FIXME: Remove
-
     void setAutoCompleter(AutoCompleter *autoCompleter);
     AutoCompleter *autoCompleter() const;
 
@@ -205,12 +200,6 @@ signals:
     void markTooltipRequested(TextEditor::BaseTextEditor *editor, const QPoint &globalPos, int line);
     void contextHelpIdRequested(TextEditor::BaseTextEditor *editor, int position);
 
-private slots:
-    void updateCursorPosition();
-    void openGotoLocator();
-    void setFileEncodingLabelVisible(bool visible);
-    void setFileEncodingLabelText(const QString &text);
-
 private:
     friend class Internal::BaseTextEditorWidgetPrivate;
     friend class BaseTextEditorWidget;
@@ -372,6 +361,9 @@ public:
     void setIfdefedOutBlocks(const QList<BlockRange> &blocks);
     bool isMissingSyntaxDefinition() const;
 
+    enum Side { Left, Right };
+    void insertExtraToolBarWidget(Side side, QWidget *widget);
+
 public slots:
     virtual void copy();
     virtual void paste();