MEikEdwinObserver Class Reference

class MEikEdwinObserver

Interface class describing the functionality expected of an observer for CEikEdwins.

Edwin observers are informed by the edwin whenever its content is changed, or whenever the user changes the cursor position.

This class should be derived from by all observers of edwins.

Public Member Functions
void	HandleEdwinEventL ( CEikEdwin *, TEdwinEvent )

Public Member Enumerations
enum	TEdwinEvent { EEventFormatChanged , EEventNavigation , EEventTextUpdate , EEventScroll , EEventTextUpdateAPI , EEventChinesePopupOpen , EEventChinesePopupClose , EEventPartialScreenEnable , EEventPartialScreenDisable }

Member Functions Documentation

This pure virtual function is invoked by CEikEdwin to report an event to its observer. The observer may respond appropriately.

CEikEdwin * aEdwin	The originating edwin.
TEdwinEvent aEventType	The event being reported.

Events from a value editor.

EEventFormatChanged	Sent whenever the content of the edwin changes.
EEventNavigation	Sent on receipt of a navigation command.
EEventTextUpdate	Sent whenever the text of the edwin changes. To observe actual changes in the contents of the editor this should be preferred to EEventFormatChanged.
EEventScroll	Sent on receipt of a scroll event.
EEventTextUpdateAPI	Sent if you explicitly call edwin's SetTextL()
EEventChinesePopupOpen
EEventChinesePopupClose
EEventPartialScreenEnable
EEventPartialScreenDisable