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Accessibility and frevvo
Using forms/workflows
Form users must understand the following information in order to interact with accessible forms/workflows.
Keyboard Functions:
The following keyboard combinations are used when a user is not using a screen reader. If you are using a screen reader please read the documentation specific to your screen reader and see the topic Using Assistive Technology below.
Key Combination | Function |
|---|---|
tab/shift tab |
Note: If a section is expanded, tabbing will take you directly into the section's controls. Tabbing puts the focus on each tab of a tab control. If a tab is selected, it becomes the active tab, and its contents will be in the natural tab order. |
Enter key or the space bar |
|
Space bar only |
|
Enter only |
|
Escape |
|
up,down,right,left arrows |
Note: The right/left arrow keys can also be used to cycle/select the options of a radio control. |
Alt + up/down arrows on a windows keyboard or option + up/down arrows for the Mac |
|
Additional Details
The behaviors described below require the designer to enable the form/workflow Accessible property. See Designing Accessibility forms/workflows.
Required Controls
The designer can optionally enable the Accessibility property on the form/workflow. When enabled, required fields display a asterisk. If users move ahead from a required field without filling it, the error, "You can't leave this empty <control name>" displays. The translatable string, You\ can't\ leave\ this\ empty: is included in the downloaded locale file for form/workflow internationalization. Designer can translate this string to the preferred language as part of the form/workflow internationalization process.
Wet Signature controls
You will notice a Text box on the wet signature lightbox. Type your name, using the keyboard. Typed text will be entered into the signature area. Signature controls on mobile devices will not have the text entry field.
Using Assistive Technology
If you are using a screen reader please read the documentation specific to your screen reader. The only interaction that is specific to
If you use a navigation shortcut key such as the 'F' key to move through the cells in a table, when using NVDA, the fields are announced with the row number and column. If you use the down arrow key (or up arrow to reverse) to navigate, NVDA does not announce row & column. This is a function of the NVDA reader and cannot be changed by frevvo.
Enabling full keyboard navigation on the Mac
If you are using the Safari and/or Firefox browsers on a Mac, there are two preferences that you must enable to allow full keyboard only navigation via the tab key. Setting these options makes it possible for the user to tab to any control types, which are normally prevented by default.
The first setting is a system preference so it will affect most browsers you use on the Mac.
Go to System Preferences and select the Keyboard option (it may be “Keyboard & Mouse” depending on your version of OS X).
From within the Keyboard preferences, select the Shortcuts tab.
Locate the Full keyboard access: In windows and dialogs, press Tab to move the keyboard focus between option, and select "All Controls”.
The second setting is in the Safari browser:
Go to Safari -> Preferences
Under the Advanced tab, select the Press Tab to highlight each item on a webpage check box.