author | Dominic Pinkman <Dominic.Pinkman@Nokia.com> |
Fri, 22 Jan 2010 18:26:19 +0000 | |
changeset 1 | 25a17d01db0c |
child 5 | f345bda72bc4 |
permissions | -rw-r--r-- |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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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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--> <!DOCTYPE concept PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"><concept id="GUID-E7EFAD50-3323-49A6-A5D9-95B95F0FBF0E" xml:lang="en"><title>Preview |
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pop-up</title><prolog><metadata><keywords></keywords></metadata></prolog><conbody> |
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<p>Preview pop-up is a floating component used for displaying more detailed |
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data about an item that has focus in the main pane.</p> |
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<fig id="GUID-443FE00D-6678-4951-9038-07C82D10B69E"> |
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<title>Floating preview</title> |
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<image href="GUID-F07B3B53-0C4D-4472-8E00-34A4C8501C5E_d0e85372_href.png" scale="40" placement="inline"></image> |
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</fig> |
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<p>The preview is displayed with a 0.6 second delay after the focus is moved |
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(for example, scrolling down a list with the Arrow keys) to avoid too rapid |
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and continuous flicker. The default timeout for closing the preview pop-up |
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is the same as for the Information pop-up, but it is possible to adjust it |
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if necessary.</p> |
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<p>Preview pop-up contents cannot be scrolled and the component must not contain |
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any buttons or other elements that make it appear interactive: the component |
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is the same in both standard and touch-enabled devices and should the component |
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be used in a standard non-touch device, its elements should not look touch-enabled. |
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There can be a maximum of five text rows in a preview pop-up, and it is possible |
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to place a small icon in the start of the rows. It is even possible to have |
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more than one icon on a row instead of text, if necessary. The number of images |
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in a single preview pop-up is limited to one, and it can be accompanied by |
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up to two rows of text.</p> |
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<p>Preview pop-up shows always duplicate data in a given application to ensure |
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that the user will not miss any content or functionality even if a given product |
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does not utilize preview pop-up (that is, it has been switched off). Owing |
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to the special nature of preview pop-up, it is important to thoroughly consider |
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its genuine usefulness in various applications. Furthermore, the component |
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should not be confused with the Information pop-up note even though the data |
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displayed in these two components can at times be identical.</p> |
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<section><title>Preview pop-up in a touch interface</title><p>Preview pop-up |
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is a floating component used for displaying more detailed data about an item |
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that has the focus in the main pane. It is not a touch-only component, and |
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its basic functionality is described above. Although it is not recommended |
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to place buttons or other items that appear touch-enabled into the preview |
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pop-up, it is still possible to give some items touch-only functions. It is |
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up to each application to decide whether to make use of this support in some |
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sensible way. For example, a tap on a www hyperlink displayed in the preview |
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pop-up would open Browser and open the Web site in question. However, it should |
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be noted that using touch-enabled items in the preview pop-up is an advanced, |
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heavy-user feature.</p><p>A tap on an item in the preview pop-up can also |
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open the stylus pop-up menu, when there is no obvious direct function for |
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that item. For more information, see <xref href="GUID-C4E728B4-3E84-49A4-83CB-DF146420D78A.dita">Stylus |
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pop-up menu</xref>.</p></section> |
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<section><title>Preview pop-up for touch only</title><p>The above section |
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describes the general case for touch and the preview pop-up. There is, however, |
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a variance possibility for the preview pop-up, which is to limit it strictly |
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for touch. In this case, the guideline for having no buttons or other obvious |
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touch items in the preview pop-up can be ignored for the most part: if the |
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preview pop-up can only be opened with a stylus, it is perfectly acceptable |
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to make touch functions plainly touch-enabled.</p></section> |
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<section><title>Using preview pop-ups |
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in C++ applications</title><p>The API to use for creating the preview pop-up |
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component is the Information |
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preview popup API.</p><p>Preview popups can be used in two modes: in |
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the default mode where the popup is hidden automatically as a result of timeout |
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or input event (either a key press or a pointer event), or in permanent mode |
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where the popup stays visible until it is dismissed by the application code. </p><p>For |
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implementation information, see Using |
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the Information Preview Popup API. </p></section> |
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</conbody></concept> |