Synonyms: disabled, inactive, display mode, write-protected, read-only, display-only
See also: Element status
Control elements can be operated (standard) or disabled. Form fields can also be read-only or in display mode.
Note: Which specific status is possible for which control element is specified by the programming language used.
Presentation
Permalink "Presentation"| No. | Property | Description | Classification | Reference |
|---|---|---|---|---|
| 92 | Contrast | If the status difference is only conveyed visually with the use of color, a contrast ratio of at least 3:1 must be maintained between the different colors. | Must | EN 301 549: 9.1.4.1, 11.1.4.1 |
| 93 | Contrast | Regardless of the status, a contrast ratio of at least 4.5:1 for text and 3:1 for the content of graphics must be maintained. Note: Contrast requirements do not apply to disabled elements unless they provide information. | Must | EN 301 549: 9.1.4.3, 11.1.4.3, 9.1.4.11, 11.1.4.11 |
Operation
Permalink "Operation"| No. | Property | Description | Classification | Reference |
|---|---|---|---|---|
| 94 | Use of the keyboard | In applications that do not support the virtual Cursor , all operable and read-only elements as well as display mode elements must receive the keyboard focus. Disabled elements must receive the focus if they convey information. Note: If the application contains several disabled elements or elements in the display mode, to avoid unnecessary navigation steps for seeing keyboard users, there should be an operating mode in which only the operable elements receive the focus. | Must | EN 301 549: 9.2.1.1, 11.2.1.1, 9.1.3.1, 11.1.3.1 |
Programming/interfaces
Permalink "Programming/interfaces"| No. | Property | Description | Classification | Reference |
|---|---|---|---|---|
| 95 | Status | The status of the control element must be communicated to the Accessibility API. | Must | EN 301 549: 9.4.1.2, 11.4.1.2, 11.5.2.5 |
| 96 | Update | Status updates must be communicated to the Accessibility API. | Must | EN 301 549: 9.4.1.2, 11.4.1.2, 11.5.2.15 |
| 97 | Contrast adjustment | To ensure that the status of the elements is also visible when using contrast adjustment disabled elements should be marked as such. To ensure that their status is identifiable when using contrast adjustment, read-only elements should not only differ from operable elements in terms of their color. Elements in the display mode should be marked as text. | Should | EN 301 549: 11.7 |
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