MEikListBoxObserver Class Reference

Link against: avkon.lib eikcoctl.lib eikctl.lib

Capability Information

Required Capabilities

None

#include <EIKLBO.H>

Inherited by CAknColourSelectionGrid, CAknListBoxSettingPage, CAknListQueryDialog, CAknPopupField, CAknPopupFieldList, CAknPopupList, CAknPopupSettingList, CAknSelectionListDialog, CAknSettingItemList, and CClkDateTimeView.

Detailed Description

List box observer interface.

Each list box observer may be registered with a number of list boxes; each of these send events to the list box observer through its HandeListBoxEventL() method.

Writing derived classes:

Application authors should implement a class which derives from this interface to receive events from list boxes


Public Types
enum	TListBoxEvent { EEventEnterKeyPressed, EEventItemClicked, EEventItemDoubleClicked, EEventItemActioned, EEventEditingStarted, EEventEditingStopped, EEventPenDownOnItem, EEventItemDraggingActioned, EEventPanningStarted, EEventPanningStopped, EEventFlickStarted, EEventFlickStopped }
	List box event codes. More...
Public Member Functions
virtual void	HandleListBoxEventL (CEikListBox *aListBox, TListBoxEvent aEventType)=0
	Handles list box events.

Member Enumeration Documentation

enum MEikListBoxObserver::TListBoxEvent

List box event codes.

Enumerator:

EEventEnterKeyPressed	Keypress event.
EEventItemClicked	Item single-tap event.
EEventItemDoubleClicked	Item two-taps event.
EEventItemActioned	Special event: reported by directory tree and directory contents list boxes.
EEventEditingStarted	Editing started.
EEventEditingStopped	Editing stopped.
EEventPenDownOnItem	Pen is down and over an item.
EEventItemDraggingActioned	Pen is dragged from item to another.
EEventPanningStarted	Panning is started.
EEventPanningStopped	Panning is stopped.
EEventFlickStarted	Flick is started.
EEventFlickStopped	Flick is stopped.

Member Function Documentation

virtual void MEikListBoxObserver::HandleListBoxEventL	(	CEikListBox *	aListBox,
		TListBoxEvent	aEventType
	)	`[pure virtual]`

Handles list box events.

This pure virtual function is invoked by CEikListBox to notify the observer of list box events.

Parameters:

	aListBox	The originating list box.
	aEventType	A code for the event. Further information may be obtained by accessing the list box itself.

Implemented in CAknCheckBoxSettingPage, and CAknRadioButtonSettingPage.

The documentation for this class was generated from the following file:

EIKLBO.H