virtual void SelectNone() = 0;
/**
+ * @brief Called to set the selection postions in the texts.
+ * @param start start selection position.
+ * @param end end selection position.
+ */
+ virtual void SelectText(const uint32_t start, const uint32_t end) = 0;
+
+ /**
* @brief Retrive Selected text.
* @return The seletced text.
*/