Gui: allow to set font family and size and syntax highlighting

src/Gui/TextDocumentEditorView.cpp

@@ -73,7 +73,6 @@ void TextDocumentEditorView::setupEditor()
 {
     connect(getEditor()->document(), SIGNAL(modificationChanged(bool)),
             this, SLOT(setWindowModified(bool)));
-    getEditor()->setReadOnly(textDocument->ReadOnly.getValue());
     setWindowTitle(QString::fromUtf8(textDocument->Label.getValue())
             + QString::fromLatin1("[*]"));
     getEditor()->setPlainText(
@@ -82,8 +81,10 @@ void TextDocumentEditorView::setupEditor()
 
 void TextDocumentEditorView::setupConnection()
 {
-    textConnection = textDocument->connect(
+    textConnection = textDocument->connectText(
             boost::bind(&TextDocumentEditorView::sourceChanged, this));
+    labelConnection = textDocument->connectLabel(
+            boost::bind(&TextDocumentEditorView::labelChanged, this));
 }
 
 void TextDocumentEditorView::sourceChanged()
@@ -96,6 +97,12 @@ void TextDocumentEditorView::sourceChanged()
     }
 }
 
+void TextDocumentEditorView::labelChanged()
+{
+    setWindowTitle(QString::fromUtf8(textDocument->Label.getValue())
+            + QString::fromLatin1("[*]"));
+}
+
 void TextDocumentEditorView::refresh()
 {
     QString text = QString::fromUtf8(