Included new header

apps/launcher/combobox.hpp

@@ -0,0 +1,28 @@
+#ifndef COMBOBOX_H
+#define COMBOBOX_H
+
+#include <QComboBox>
+
+class ComboBox : public QComboBox
+{
+    Q_OBJECT
+private:
+    QString oldText;
+public:
+    ComboBox(QWidget *parent=0) : QComboBox(parent), oldText()
+    {
+        connect(this,SIGNAL(editTextChanged(const QString&)), this,
+                SLOT(textChangedSlot(const QString&)));
+        connect(this,SIGNAL(currentIndexChanged(const QString&)), this,
+                SLOT(textChangedSlot(const QString&)));
+    }
+private slots:
+    void textChangedSlot(const QString &newText)
+    {
+        emit textChanged(oldText, newText);
+        oldText = newText;
+    }
+signals:
+    void textChanged(const QString &oldText, const QString &newText);
+};
+#endif