Generic highlighter: Making highlighting available for desinger XML editor.

src/plugins/designer/formwindoweditor.cpp

@@ -39,6 +39,7 @@
 #include <coreplugin/icore.h>
 #include <coreplugin/coreconstants.h>
 #include <coreplugin/uniqueidmanager.h>
+#include <coreplugin/mimedatabase.h>
 #include <texteditor/basetextdocument.h>
 #include <texteditor/plaintexteditor.h>
 
@@ -82,6 +83,7 @@ FormWindowEditor::FormWindowEditor(Internal::DesignerXmlEditor *editor,
     // Force update of open editors model.
     connect(&(d->m_file), SIGNAL(saved()), this, SIGNAL(changed()));
     connect(&(d->m_file), SIGNAL(changed()), this, SIGNAL(changed()));
+    connect(this, SIGNAL(changed()), this, SLOT(configureXmlEditor()));
 }
 
 FormWindowEditor::~FormWindowEditor()
@@ -164,6 +166,15 @@ void FormWindowEditor::syncXmlEditor()
     syncXmlEditor(contents());
 }
 
+void FormWindowEditor::configureXmlEditor() const
+{
+    TextEditor::PlainTextEditor *editor =
+            qobject_cast<TextEditor::PlainTextEditor *>(d->m_textEditable.editor());
+    if (editor)
+        editor->configure(Core::ICore::instance()->mimeDatabase()->findByFile(
+                d->m_file.fileName()));
+}
+
 void FormWindowEditor::syncXmlEditor(const QString &contents)
 {
     d->m_textEditable.editor()->setPlainText(contents);

src/plugins/designer/formwindoweditor.h

@@ -102,6 +102,7 @@ public:
 
 public slots:
     void syncXmlEditor();
+    void configureXmlEditor() const;
 
 private slots:
     void slotOpen(const QString &fileName);

src/plugins/texteditor/TextEditor.mimetypes.xml

@@ -6,6 +6,7 @@
         <glob pattern="*.txt"/>
     </mime-type>
     <mime-type type="application/xml">
+        <alias type="text/xml"/>
         <sub-class-of type="text/plain"/>
         <comment>XML document</comment>
         <glob pattern="*.xml"/>