Generic highlighter: Notify editors when mime type registration is done.

Now it is no longer necessary to close the editor for the highlighting to take effect.

src/plugins/texteditor/generichighlighter/manager.cpp

@@ -236,6 +236,8 @@ void Manager::registerMimeTypesFinished()
     if (m_queuedMimeTypeRegistrations > 0) {
         --m_queuedMimeTypeRegistrations;
         registerMimeTypes();
+    } else {
+        emit mimeTypesRegistered();
     }
 }
 

src/plugins/texteditor/generichighlighter/manager.h

@@ -88,6 +88,9 @@ private slots:
     void downloadAvailableDefinitionsListFinished();
     void downloadDefinitionsFinished();
 
+signals:
+    void mimeTypesRegistered();
+
 private:
     Manager();
     Q_DISABLE_COPY(Manager)

src/plugins/texteditor/plaintexteditor.cpp

@@ -74,7 +74,8 @@ PlainTextEditor::PlainTextEditor(QWidget *parent)
 
     m_commentDefinition.clearCommentStyles();
 
-    connect(file(), SIGNAL(changed()), this, SLOT(fileChanged()));
+    connect(file(), SIGNAL(changed()), this, SLOT(configure()));
+    connect(Manager::instance(), SIGNAL(mimeTypesRegistered()), this, SLOT(configure()));
 }
 
 PlainTextEditor::~PlainTextEditor()
@@ -161,7 +162,7 @@ void PlainTextEditor::setTabSettings(const TextEditor::TabSettings &ts)
     }
 }
 
-void PlainTextEditor::fileChanged()
+void PlainTextEditor::configure()
 {
     configure(Core::ICore::instance()->mimeDatabase()->findByFile(file()->fileName()));
 }

src/plugins/texteditor/plaintexteditor.h

@@ -79,7 +79,7 @@ public slots:
     virtual void setTabSettings(const TextEditor::TabSettings &);
 
 private slots:
-    void fileChanged();
+    void configure();
 
 protected:
     virtual BaseTextEditorEditable *createEditableInterface() { return new PlainTextEditorEditable(this); }