Gestion du tactile sous windows 8

Gestion du tactile sous Windows 8

David Rousset, Developer Evangelist, Microsoft

Xavier Hallade, Technical Marketing Engineer

29 Novembre 2012

Copyright© 2012, Intel Corporation. All rights reserved. *Other brands and names are the property of their respective owners.

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Agenda

Les gestes de base

Considérations au niveau de l’UI/UX

Fonctionnement global du tactile sous Windows 8* et les différents types d’applications

Mise en application et démonstrations

3

Les gestes de base

4


Les gestes de base

Intel Confidential 5

Considérations au niveau de l’UI/UX

6


Placement des contrôles

7


Conseils de base

Utilisez les contrôles mis à disposition par Windows 8

Prennez en compte les utilisations hybrides (souris+touch+stylet)

Dimensionnez et espacez vos contrôles pour qu’il soient utilisables par des humains.

8


Conseils par rapport à l’UI/UX

Donnez un retour visuel à l’utilisateur

Pour réaliser des applications de bureau, utilisez des éléments de design modernes.

Exemples:

• Fluent Ribbon : fluent.codeplex.com

• MahApps.Metro : mahapps.com

Fonctionnement du tactile sous Windows 8*

10


“Pointeur”

Les intéractions dans une application Windows 8 reposent sur la notion abstraite de pointeur

souris, tactile, stylet -> pointeur

Les événements sont plus ou moins disponibles : Down, Move, Up, Over, Out…

Windows.Devices.Input.PointerDevice.GetPointerDevices()

Pointer.PointerDeviceType


Méthodes d’accès aux événements de la couche tactile


Win32/WinRT APIs

Évévements

(Pointeurs et gestes)

Templates et Contrôles Windows 8


Méthodes d’accès aux événements de la couche tactile


Type d’application objet méthode

Win32 Fenêtre Messages WM_POINTER WM_TOUCHHITTESTING

JS/HTML (Windows Store ou non)

Élément HTML Événements MSPointerXXX

Windows Store – C#/C++

ICoreWindow Événements PointerXXX TouchHitTesting

Windows Store - XAML

UIElement

Événements PointerXXX ManipulationXXX XXXTappedYYY

Windows Store – XAML

Control Delegates OnPointerXXX() OnManipulationXXX() OnXXXTappedYYY()

Windows Store & JS/HTML

ListView, FlipView, ScrollViewer, etc

Pas besoin


Que faire avec un événement Pointeur ?

S’il est global (appli hors XAML/HTML) :

Le transmettre à un élément de l’interface déterminé lors de l’événement PointerPressed

Puis, les utiliser directement…

ou les envoyer à un :

• GestureRecognizer : Reconnaissance de gestes

• InkRecognizer : Reconnaissance d’écriture



Événements de Manipulation

Copyright© 2012, Intel Corporation. All rights reserved.

*Other brands and names are the property of their respective owners

15

Manipulation Starting

Manipulation Delta

Manipulation Inertia Starting

Manipulation Delta

w/ Inertia

ManipulationCompleted

Début du geste

Contact en cours avec

l’écran

Fin du contact


GestureRecognizer

Détection de gestes à partir des événements pointeurs

Configurable : Tap, Hold, RightTap…

ManipulationTranslateX… ManipulationTranslateInertia… ManipulationTranslateRailsY… CrossSlide…

Renvoi des événements classiques/manipulations : Holding, RightTapped, Tapped, ManipulationXXX, CrossSliding


Quelques spécificités côté Desktop

Touch injection API

Identification de la source d’un événement souris “legacy” : appeller GetMessageExtraInfo() masquer la valeur retournée avec 0xFFFFFF80 0xFF515780 -> touch 0xFF515700 -> pen

Avoir l’interface unifiée WM_POINTER : EnableMouseInPointer()

Mise en application, Démos

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