Symbian3/PDK/Source/GUID-D0F6E95B-B35A-4EA1-8CC3-D86D1E0E6DD3.dita
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 16 Jul 2010 17:23:46 +0100
changeset 12 80ef3a206772
parent 9 59758314f811
permissions -rw-r--r--
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-D0F6E95B-B35A-4EA1-8CC3-D86D1E0E6DD3" xml:lang="en"><title>Creating
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stylus pop-up menu</title><prolog><metadata><keywords/></metadata></prolog><conbody>
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<p>Construct the menu using the method <xref href="jar:GUID-759FBC7F-5384-4487-8457-A8D4B76F6AA6.jar!/html/classCAknStylusPopUpMenu.html#9dda70f72d42d0877cbbf9ca299649af" format="application/java-archive"><codeph>NewL()</codeph></xref>in the class <xref href="jar:GUID-759FBC7F-5384-4487-8457-A8D4B76F6AA6.jar!/html/classCAknStylusPopUpMenu.html" format="application/java-archive"><codeph>CAknStylusPopUpMenu</codeph></xref>.</p>
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<note> <p>The last parameter in the constructor is a pointer to the preview
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pop-up from which the stylus pop-up menu is launched. If you are not constructing
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a pop-up menu for a preview pop-up, set the parameter as <codeph>NULL</codeph>.</p></note>
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<p>To construct the menu from a resource, use the method <xref href="jar:GUID-759FBC7F-5384-4487-8457-A8D4B76F6AA6.jar!/html/classCAknStylusPopUpMenu.html#75cd95c35a6ed4734b93713596bb51d5" format="application/java-archive"><codeph>CAknStylusPopUpMenu::ConstructFromResourceL()</codeph></xref>.</p>
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<p>The following example illustrates a stylus pop-up menu opened in the location
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(not a preview pop-up) where the user taps with the stylus as well as the
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resource that defines the menu items:</p>
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<note><p>The menu is constructed only once: when <codeph>HandlePointerEventL</codeph> runs
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for the first time. Later the already constructed menu is shown again.</p></note>
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<codeblock xml:space="preserve">void CMyAppView::HandlePointerEventL
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    ( const TPointerEvent&amp; aPointerEvent )
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    {
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    if ( aPointerEvent.iType == TPointerEvent::EButton1Down )
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        {
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        if ( !iMenu )
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            {
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            iMenu = CAknStylusPopUpMenu::NewL( 
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                    iMenuObserver, 
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                    aPointerEvent.iParentPosition, 
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                    NULL );
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            TInt resourceReaderId = 0;
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            resourceReaderId = R_MYAPP_STYLUS_MENU;
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            TResourceReader reader;
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            iCoeEnv-&gt;CreateResourceReaderLC( 
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                    reader, resourceReaderId );
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            iMenu-&gt;ConstructFromResourceL( reader );
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            CleanupStack::PopAndDestroy(); // reader
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            }
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        iMenu-&gt;SetPosition( aPointerEvent.iParentPosition );
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        iMenu-&gt;ShowMenu();
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        }
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    // Forward event to base class too.
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    CCoeControl::HandlePointerEventL( aPointerEvent );
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    }
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RESOURCE STYLUS_POPUP_MENU r_myapp_stylus_menu
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    {
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    items =
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        {
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        STYLUS_POPUP_MENU_ITEM 
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            {
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            txt = "Stylus Popup Menu Item 1"; 
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            command = EMyAppMenuItemCmd1;
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            },
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        STYLUS_POPUP_MENU_ITEM 
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            {
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            txt = "Stylus Popup Menu Item 2"; 
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            command = EMyAppMenuItemCmd2; 
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            },
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        STYLUS_POPUP_MENU_ITEM 
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            { 
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            txt = "Stylus Popup Menu Item 3"; 
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            command = EMyAppMenuItemCmd3; 
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            }
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        };
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    }
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</codeblock>
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</conbody></concept>