diff --git a/src/MainWindow.h b/src/MainWindow.h
index 7623789a..9eb17486 100644
--- a/src/MainWindow.h
+++ b/src/MainWindow.h
@@ -88,10 +88,6 @@ private slots:
 	void actionReload();
 
 private slots:
-	void editIndent();
-	void editUnindent();
-	void editComment();
-	void editUncomment();
 	void pasteViewportTranslation();
 	void pasteViewportRotation();
 	void hideEditor();
diff --git a/src/editor.h b/src/editor.h
index 115801de..6cc7913c 100644
--- a/src/editor.h
+++ b/src/editor.h
@@ -1,3 +1,7 @@
+#include <QObject>
+#include <QString>
+#include <QWidget>
+
 #ifdef _QCODE_EDIT_
 #include <qeditor.h>
 class Editor : public QEditor
@@ -6,11 +10,17 @@ class Editor : public QEditor
 class Editor : public QTextEdit
 #endif
 {
+	Q_OBJECT
 public:
 #ifdef _QCODE_EDIT_
 	Editor(QWidget *parent) : QEditor(parent) {}
 	QString toPlainText() const { return text(); }
-	void setPlainText(const QString& text) { setText(text); }  
+	void setPlainText(const QString& text) { setText(text); }
+public slots:
+	//void zoomIn() { zoom(1); }
+	void zoomIn(int n = 1) { zoom(n); }
+	//void zoomOut() { zoom(-1); } 
+	void zoomOut(int n = 1) { zoom(-n); } 
 #else
 	Editor(QWidget *parent) : QTextEdit(parent) {}
 	void setLineWrapping(bool on) { if(on) setWordWrapMode(QTextOption::WrapAnywhere); }
diff --git a/src/highlighter.cc b/src/highlighter.cc
index 1123d1b1..aa21e38d 100644
--- a/src/highlighter.cc
+++ b/src/highlighter.cc
@@ -25,6 +25,7 @@
 
 #include "highlighter.h"
 #include "openscad.h" // extern int parser_error_pos;
+
 #ifdef _QCODE_EDIT_
 Highlighter::Highlighter(QDocument *parent)
 #else
diff --git a/src/highlighter.h b/src/highlighter.h
index aeb29721..1bd54d2c 100644
--- a/src/highlighter.h
+++ b/src/highlighter.h
@@ -3,6 +3,10 @@
 
 #include <QSyntaxHighlighter>
 
+#ifdef _QCODE_EDIT_
+#include "qdocument.h"
+#endif
+
 class Highlighter : public QSyntaxHighlighter
 {
 public: