restore overwrite mode hack.

cursor looks better at the end of a line this way...

src/plugins/fakevim/fakevimplugin.cpp

@@ -157,7 +157,10 @@ void FakeVimPlugin::installHandler()
         return;
     plainTextEdit->removeEventFilter(m_handler);
     plainTextEdit->installEventFilter(m_handler);
-    plainTextEdit->setOverwriteMode(true);
+    QFont font = plainTextEdit->font();
+    //font.setFamily("Monospace");
+    m_savedCursorWidth = plainTextEdit->cursorWidth();
+    plainTextEdit->setCursorWidth(QFontMetrics(font).width(QChar('x')));
 
     //QMainWindow mw;
     connect(m_handler, SIGNAL(commandBufferChanged(QString)),
@@ -172,7 +175,7 @@ void FakeVimPlugin::removeHandler(QObject *ob)
     QPlainTextEdit *plainTextEdit = qobject_cast<QPlainTextEdit *>(ob);
     if (!plainTextEdit)
         return;
-    plainTextEdit->setOverwriteMode(false);
+    plainTextEdit->setCursorWidth(m_savedCursorWidth);
 }
 
 void FakeVimPlugin::showCommandBuffer(const QString &contents)

src/plugins/fakevim/fakevimplugin.h

@@ -74,6 +74,7 @@ private:
     FakeVimHandler *m_handler;
     ExtensionSystem::PluginManager *m_pm;
     QAction *m_installHandlerAction;
+    int m_savedCursorWidth;
 };
 
 } // namespace Internal