--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/PDK/Source/GUID-E1A2872E-6E8D-4C02-B3C0-23213FD56106.dita Fri Jan 22 18:26:19 2010 +0000
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License
+"Eclipse Public License v1.0" which accompanies this distribution,
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+ Nokia Corporation - initial contribution.
+Contributors:
+-->
+<!DOCTYPE concept
+ PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-E1A2872E-6E8D-4C02-B3C0-23213FD56106" xml:lang="en"><title>Handling
+button events</title><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>Use the <codeph>MCoeControlObserver</codeph> observer interface to observe
+button events. Set the button container to be its observer.</p>
+<p>For more information on events, see <xref href="GUID-A9330FEF-C559-4E2B-B064-0151FDADEA8C.dita">Event
+handling</xref>.</p>
+<codeblock xml:space="preserve">void CMyAppContainer::HandleControlEventL( CCoeControl* aControl,
+ TCoeEvent aEventType )
+ {
+ switch ( aEventType )
+ {
+
+// Button state changed (button was pressed)
+
+ case EEventStateChanged:
+ …
+ break;
+
+// Button is pressed for a long time (in case of
+// a KAknButtonReportOnLongPress flagged button)
+
+ case CAknButton::ELongPressEvent:
+ …
+ break;
+
+// Button long press ended (in case of
+// a KAknButtonReportOnLongPress flagged button)
+
+ case CAknButton::ELongPressEndedEvent:
+ …
+ break;
+
+ default:
+ break;
+ }
+ }
+
+</codeblock>
+</conbody></concept>
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