author | Dominic Pinkman <Dominic.Pinkman@Nokia.com> |
Wed, 31 Mar 2010 11:11:55 +0100 | |
changeset 7 | 51a74ef9ed63 |
child 8 | ae94777fff8f |
permissions | -rw-r--r-- |
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Week 12 contribution of API Specs and fix SDK submission
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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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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Week 12 contribution of API Specs and fix SDK submission
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
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Week 12 contribution of API Specs and fix SDK submission
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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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Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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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-C11AF871-56C8-4EA4-A1E0-E2B23372EF84" xml:lang="en"><title>Touch |
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down and hold</title><prolog><metadata><keywords/></metadata></prolog><conbody> |
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<p>Touch down and hold is used, for example, to open the stylus pop-up menu. |
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It is also referred as long tap. Applications can use an animation (starts |
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Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
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after 0.15 seconds from the start of a stylus touch down event) to indicate |
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Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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that a Touch down and hold action has been initiated.</p> |
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Week 12 contribution of API Specs and fix SDK submission
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<p>On the whole, touch down and hold may be difficult for users to find, and |
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therefore its use should be considered carefully. As in the case of task swapping, |
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Week 12 contribution of API Specs and fix SDK submission
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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the use of touch down and hold should aim at being analogous to using a long |
51a74ef9ed63
Week 12 contribution of API Specs and fix SDK submission
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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key press on the hardware keys.</p> |
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<section id="GUID-F3F82BBF-587D-471E-A2DE-E9248077EE0A"><title>Using |
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touch down and hold events in C++ applications</title><p>The API to use for |
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receiving touch down and hold events in applications or controls is the <xref href="GUID-92018B6B-3CBB-434D-9E61-F271C67E98E3.dita">Touch UI utilities API</xref>.</p><p>Use |
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the class <codeph>CAknLongTapDetector</codeph> to receive touch down and hold |
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events.</p><p>The long tap handler must inherit from the class <xref href="GUID-8ABC81C9-1D07-3D81-B744-BE5275ED61CA.dita"><apiname>MAknLongTapDetectorCallBack</apiname></xref> and |
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implement the <xref href="GUID-8ABC81C9-1D07-3D81-B744-BE5275ED61CA.dita#GUID-8ABC81C9-1D07-3D81-B744-BE5275ED61CA/GUID-DF019AAA-475C-3C96-BB77-5CC167CF4C3C"><apiname>MAknLongTapDetectorCallBack::HandleLongTapEventL()</apiname></xref> callback |
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function.</p></section> |
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</conbody></concept> |