[escher] Create a class pointer text view inheriting

from text view

Change-Id: I10dd24ed9404e634e90f2bc7fecb6441f7a93550

escher/src/pointer_text_view.cpp

@@ -0,0 +1,23 @@
+#include <escher/pointer_text_view.h>
+
+PointerTextView::PointerTextView() :
+  TextView(),
+  m_textPointer(nullptr)
+{
+}
+
+PointerTextView::PointerTextView(const char * text, float horizontalAlignment, float verticalAlignment,
+    KDColor textColor, KDColor backgroundColor) :
+  TextView(horizontalAlignment, verticalAlignment, textColor, backgroundColor),
+  m_textPointer(text)
+{
+}
+
+const char * PointerTextView::text() const {
+  return m_textPointer;
+}
+
+void PointerTextView::setText(const char * text) {
+  m_textPointer = text;
+  markRectAsDirty(bounds());
+}