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BS ISO/IEC 22121-2:2023

BS ISO/IEC 22121-2:2023

$167.15

Information technology. Virtual keyboards user interfaces – On-screen keyboards with direct touch interface

Published By Publication Date Number of Pages
BSI 2023 38
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PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
12 4 Conformance
4.1 Conformance with this document
4.2 Claims of conformance
13 5 General requirements for on-screen keyboards with direct touch interface
5.1 Character availability
5.2 Single finger/stylus and multiple finger text input
14 5.3 Adjustment
5.3.1 Long tap duration
5.3.2 Double tap duration
5.3.3 Touchpad pressure
6 Mapping of keyboard layout standards
6.1 General
15 6.2 Alphabetic characters
6.2.1 Key and row position numbering system
16 6.2.2 Set of characters to be mapped to on-screen keyboards layouts
17 6.2.3 Mapping of physical keyboard layout
6.3 Numeric characters
18 6.4 Space key and other non-graphic keys
6.4.1 Space bar/key
6.4.2 Backspace/backward erase key
6.4.3 Return/enter key
19 6.4.4 Tabulation key
7 Specific toggle keys and commands
7.1 Toggle key layout and operations
7.1.1 General
21 7.1.2 Location on the on-screen keyboard
7.1.3 Locking/unlocking toggle keys
7.2 Toggle key functionality
7.2.1 Level 2 selection toggle key
22 7.2.2 Group selection toggle key
23 7.2.3 Layout selection key
7.2.4 Speech dictation toggle key
7.2.5 Keyboard deactivation toggle key
7.3 Toggle key status indication
24 8 Associated characters
8.1 General
8.2 Access to associated characters
8.2.1 Access to associated characters with a selection box
8.2.2 Access to associated characters with a long tap
8.3 Selection of associated characters
8.3.1 Selection of associated characters with accessible input mode enabled
25 8.3.2 Selection of associated characters with accessible input mode disabled
26 8.4 Insertion of associated characters
9 Keyboard mode context dependency
9.1 General
27 9.2 Numeric input fields
28 9.3 Email address input fields
9.4 URL/URI input fields
9.5 Input fields with preselected values
10 User customization and creation of new keyboards
10.1 Customization of the keyboard
29 10.2 Switching between keyboards
10.3 Loading, saving and sharing the keyboard layout
10.3.1 Modifying a keyboard layout
10.3.2 Loading a stored keyboard layout
10.3.3 Adding a new keyboard layout
11 Activation/deactivation of on-screen keyboard
11.1 Manual activation/deactivation of on-screen keyboard
11.2 Automatic activation/deactivation of on-screen keyboard
11.2.1 Automatic activation
11.2.2 Automatic deactivation
30 11.2.3 Input fields with pre-selected values
11.3 Location of toggle key
12 Positioning and sizing
12.1 Positioning
12.2 Sizing
12.2.1 Relative size of on-screen keyboards
31 12.2.2 Resizing
12.3 Display space constraints
12.3.1 Key size
32 12.3.2 Number of displayed keys
12.4 Resizing rules
12.5 Field overlapping
12.5.1 General
12.5.2 Context of use
12.5.3 Typing text messages
12.5.4 Typing text on forms
33 12.6 Rotation rules (landscape/portrait)
12.6.1 General
12.6.2 Rotation within applications
12.6.3 Optional resizing
13 Shading and styling of on-screen keyboard keys
13.1 Contrast ratio
13.2 Highlighting
13.3 Colours and shades
13.4 Key label size
35 Bibliography

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BS ISO/IEC 22121-2:2023
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